ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-C03B.xml

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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="C03B" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>C03B</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="warning"><note-paragraph warning-type="ipc-not-used">The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: <table><row><entry><class-ref scheme="ipc">C03B8/00</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C03B19/00</class-ref>, <class-ref scheme="cpc">C03B37/00</class-ref></entry></row><row><entry><class-ref scheme="ipc">C03B8/02</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C03B19/1065</class-ref>, <class-ref scheme="cpc">C03B19/12</class-ref>, <class-ref scheme="cpc">C03B37/011</class-ref>, <class-ref scheme="cpc">C03B37/016</class-ref></entry></row><row><entry><class-ref scheme="ipc">C03B8/04</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C03B19/106</class-ref>, <class-ref scheme="cpc">C03B19/14</class-ref>, <class-ref scheme="cpc">C03B37/014</class-ref></entry></row></table></note-paragraph><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C03B1/00" date-revised="2013-01-01" status="published"><classification-symbol>C03B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melting the raw material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B1/00" definition-exists="true" ipc-concordant="C03B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparing the batches </text><reference><text>chemical compositions <class-ref scheme="cpc">C03C</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B1/02" definition-exists="false" ipc-concordant="C03B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compacting the glass batches, e.g. pelletising</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B3/00" definition-exists="true" ipc-concordant="C03B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Charging the melting furnaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B3/005" definition-exists="false" ipc-concordant="C03B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using screw feeders</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B3/02" definition-exists="false" ipc-concordant="C03B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B3/023" definition-exists="false" ipc-concordant="C03B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B3/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preheating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B3/026" definition-exists="false" ipc-concordant="C03B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B3/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by charging the ingredients into a flame, through a burner or equivalent heating means used to heat the melting furnace</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B5/00" definition-exists="true" ipc-concordant="C03B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melting in furnaces</text></title-part><title-part><text>Furnaces so far as specially adapted for glass manufacture</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/005" definition-exists="true" ipc-concordant="C03B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of glass-forming waste materials </text><reference><text>disposal or transformation of solid waste in general <class-ref scheme="cpc">B09B</class-ref>; treatment of radioactive waste <class-ref scheme="cpc">G21F9/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/02" definition-exists="false" ipc-concordant="C03B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B5/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in electric furnaces </text><CPC-specific-text><text>, e.g. by dielectric heating </text><reference><text>electric heating in general <class-ref scheme="cpc">H05B</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/021" definition-exists="false" ipc-concordant="C03B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by induction heating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/023" definition-exists="false" ipc-concordant="C03B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by microwave heating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/025" definition-exists="false" ipc-concordant="C03B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by arc discharge or plasma heating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/027" definition-exists="false" ipc-concordant="C03B5/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0272" definition-exists="false" ipc-concordant="C03B5/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pot furnaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0275" definition-exists="false" ipc-concordant="C03B5/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaft furnaces </text><reference><text><class-ref scheme="cpc">C03B5/0277</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0277" definition-exists="false" ipc-concordant="C03B5/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0277</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotary furnaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/03" definition-exists="false" ipc-concordant="C03B5/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tank furnaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B5/031" definition-exists="false" ipc-concordant="C03B5/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cold top tank furnaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/033" definition-exists="false" ipc-concordant="C03B5/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0332" definition-exists="false" ipc-concordant="C03B5/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0332</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tank furnaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0334" definition-exists="false" ipc-concordant="C03B5/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0334</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pot furnaces; Core furnaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0336" definition-exists="false" ipc-concordant="C03B5/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0336</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaft furnaces </text><reference><text><class-ref scheme="cpc">C03B5/0338</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/0338" definition-exists="false" ipc-concordant="C03B5/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/0338</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotary furnaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/04" definition-exists="false" ipc-concordant="C03B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in tank furnaces </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B5/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/05" definition-exists="false" ipc-concordant="C03B5/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Discontinuously-working tank furnaces, e.g. day tanks</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/06" definition-exists="false" ipc-concordant="C03B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in pot furnaces </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B5/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/08" definition-exists="false" ipc-concordant="C03B5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass-melting pots</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/10" definition-exists="false" ipc-concordant="C03B5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in combined tank furnaces and pots </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B5/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/12" definition-exists="false" ipc-concordant="C03B5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in shaft furnaces </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B5/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/14" definition-exists="false" ipc-concordant="C03B5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in revolving cylindrical furnaces </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B5/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B5/16" definition-exists="false" ipc-concordant="C03B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special features of the melting process</text></title-part><title-part><text>Auxiliary means specially adapted for glass-melting furnaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/163" definition-exists="false" ipc-concordant="C03B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrochemical treatments, e.g. to prevent bubbling or to create bubbles </text><reference><text><class-ref scheme="cpc">C03B5/1672</class-ref>, <class-ref scheme="cpc">C03B5/185</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/167" definition-exists="false" ipc-concordant="C03B5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches </text><reference><text><class-ref scheme="cpc">C03B5/20</class-ref>, <class-ref scheme="cpc">C03B5/42</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/1672" definition-exists="false" ipc-concordant="C03B5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/1672</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of materials therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B5/1675" definition-exists="false" ipc-concordant="C03B5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/1675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Platinum group metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/1677" definition-exists="false" ipc-concordant="C03B5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/1677</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by use of electrochemically protection means, e.g. passivation of electrodes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/173" definition-exists="false" ipc-concordant="C03B5/173" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/173</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for changing the composition of the molten glass in glass furnaces, e.g. for colouring the molten glass </text><reference><text>chemical aspects <class-ref scheme="cpc">C03C</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/18" definition-exists="false" ipc-concordant="C03B5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stirring devices</text></title-part><title-part><text>Homogenisation </text><CPC-specific-text><reference><text>mixing in general <class-ref scheme="cpc">B01F</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/182" definition-exists="false" ipc-concordant="C03B5/182" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by moving the molten glass along fixed elements, e.g. deflectors, weirs, baffle plates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/183" definition-exists="false" ipc-concordant="C03B5/183" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using thermal means, e.g. for creating convection currents</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B5/185" definition-exists="false" ipc-concordant="C03B5/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/187" definition-exists="false" ipc-concordant="C03B5/187" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B5/1875" definition-exists="false" ipc-concordant="C03B5/187" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/1875</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the screw or pump-action type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/193" definition-exists="false" ipc-concordant="C03B5/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/193</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas, e.g. bubblers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/20" definition-exists="false" ipc-concordant="C03B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/202" definition-exists="false" ipc-concordant="C03B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices for blowing onto the melt surface, e.g. high momentum burners</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/205" definition-exists="false" ipc-concordant="C03B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical means for skimming or scraping the melt surface</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/207" definition-exists="false" ipc-concordant="C03B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Foraminous or mesh screens, e.g. submerged sieves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/225" definition-exists="false" ipc-concordant="C03B5/225" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B5/225</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Refining </text><reference><text><class-ref scheme="cpc">C03B5/18</class-ref> takes precedence </text><CPC-specific-text><text>; Refining agents <class-ref scheme="cpc">C03C1/004</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/2252" definition-exists="false" ipc-concordant="C03B5/225" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/2252</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>under reduced pressure, e.g. with vacuum refiners</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/2255" definition-exists="false" ipc-concordant="C03B5/225" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/2255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifuging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/2257" definition-exists="false" ipc-concordant="C03B5/225" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/2257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by thin-layer fining</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/23" definition-exists="false" ipc-concordant="C03B5/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling the molten glass </text><reference><text><class-ref scheme="cpc">C03B5/18</class-ref>, <class-ref scheme="cpc">C03B5/225</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/235" definition-exists="false" ipc-concordant="C03B5/235" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/235</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating the glass </text><reference><text><class-ref scheme="cpc">C03B5/02</class-ref>, <class-ref scheme="cpc">C03B5/18</class-ref>, <class-ref scheme="cpc">C03B5/225</class-ref> take precedence</text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Devices for withholding dirt, foam, or batch are also classified in <class-ref scheme="cpc">C03B5/202</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/2353" definition-exists="false" ipc-concordant="C03B5/235" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/2353</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/2356" definition-exists="false" ipc-concordant="C03B5/235" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/2356</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Submerged heating, e.g. by using heat pipes, hot gas or submerged combustion burners </text><reference><text>bubblers <class-ref scheme="cpc">C03B5/193</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/237" definition-exists="false" ipc-concordant="C03B5/237" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/237</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regenerators or recuperators specially adapted for glass-melting furnaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B5/2375" definition-exists="false" ipc-concordant="C03B5/237" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/2375</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regenerator brick design </text><reference><text>brick shapes in general <class-ref scheme="cpc">F27D1/042</class-ref></text></reference><text>; Use of materials therefor; Brick stacking arrangements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/24" definition-exists="false" ipc-concordant="C03B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automatically regulating the melting process</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/245" definition-exists="false" ipc-concordant="C03B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regulating the melt or batch level, depth or thickness</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/26" definition-exists="false" ipc-concordant="C03B5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B5/26</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Outlets </text><CPC-specific-text><text>, e.g. drains, siphons</text></CPC-specific-text></title-part><title-part><text>Overflows </text><CPC-specific-text><text>, e.g. for supplying the float tank, tweels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/262" definition-exists="false" ipc-concordant="C03B5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drains, i.e. means to dump glass melt or remove unwanted materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/265" definition-exists="false" ipc-concordant="C03B5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Overflows; Lips; Tweels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B5/267" definition-exists="false" ipc-concordant="C03B5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/267</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for supplying the float tank</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/28" definition-exists="false" ipc-concordant="C03B5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Siphons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B5/42" definition-exists="false" ipc-concordant="C03B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of construction of furnace walls, e.g. to prevent corrosion</text></title-part><title-part><text>Use of materials for furnace walls</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/425" definition-exists="false" ipc-concordant="C03B5/425" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing corrosion or erosion </text><reference><text><class-ref scheme="cpc">C03B5/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/43" definition-exists="false" ipc-concordant="C03B5/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of materials for furnace walls, e.g. fire-bricks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/435" definition-exists="false" ipc-concordant="C03B5/435" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/435</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating arrangements for furnace walls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B5/44" definition-exists="false" ipc-concordant="C03B5/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B5/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling arrangements for furnace walls</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B7/00" definition-exists="true" ipc-concordant="C03B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B7/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Distributors for the molten glass</text></title-part><title-part><text>Means for taking-off charges of molten glass</text></title-part><title-part><text>Producing the gob </text><CPC-specific-text><text>, e.g. controlling the gob shape, weight or delivery tact</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/005" definition-exists="false" ipc-concordant="C03B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling, regulating or measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/01" definition-exists="false" ipc-concordant="C03B7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B7/01</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Means for taking-off charges of molten glass </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B7/08</class-ref>, <class-ref scheme="cpc">C03B7/14</class-ref>&#160;-&#160;<class-ref scheme="cpc">C03B7/22</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/02" definition-exists="false" ipc-concordant="C03B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forehearths, i.e. feeder channels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/04" definition-exists="false" ipc-concordant="C03B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Revolving forehearths</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/06" definition-exists="false" ipc-concordant="C03B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for thermal conditioning or controlling the temperature of the glass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B7/065" definition-exists="false" ipc-concordant="C03B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by combustion with pure oxygen or oxygen-enriched air</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B7/07" definition-exists="false" ipc-concordant="C03B7/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric means</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/08" definition-exists="false" ipc-concordant="C03B7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeder spouts, e.g. gob feeders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/082" definition-exists="false" ipc-concordant="C03B7/082" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pneumatic feeders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/084" definition-exists="false" ipc-concordant="C03B7/084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tube mechanisms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/086" definition-exists="false" ipc-concordant="C03B7/086" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plunger mechanisms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/088" definition-exists="false" ipc-concordant="C03B7/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Outlets, e.g. orifice rings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/09" definition-exists="false" ipc-concordant="C03B7/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spout blocks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/092" definition-exists="false" ipc-concordant="C03B7/092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stirring devices</text></title-part><title-part><text>Homogenisation </text><reference><text><class-ref scheme="cpc">C03B5/18</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/094" definition-exists="false" ipc-concordant="C03B7/094" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/094</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for heating, cooling or insulation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B7/096" definition-exists="false" ipc-concordant="C03B7/096" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/096</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for heating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B7/098" definition-exists="false" ipc-concordant="C03B7/098" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/098</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electric</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/10" definition-exists="false" ipc-concordant="C03B7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting-off </text><CPC-specific-text><text>or severing</text></CPC-specific-text><text> the glass flow with the aid of knives or scissors </text><CPC-specific-text><text>or non-contacting cutting means, e.g. a gas jet</text></CPC-specific-text></title-part><title-part><text>Construction of the blades used</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/11" definition-exists="false" ipc-concordant="C03B7/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the blades</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/12" definition-exists="false" ipc-concordant="C03B7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B7/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Cutting-off </text><CPC-specific-text><text>or severing</text></CPC-specific-text><text> a free-hanging glass stream </text><CPC-specific-text><text>, e.g. by the combination of gravity and surface tension forces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/14" definition-exists="false" ipc-concordant="C03B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B7/14</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Transferring molten glass or gobs to glass blowing or pressing machines </text><reference><text><class-ref scheme="cpc">C03B7/18</class-ref>&#160;-&#160;<class-ref scheme="cpc">C03B7/22</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B7/16" definition-exists="false" ipc-concordant="C03B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using deflector chutes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/18" definition-exists="false" ipc-concordant="C03B7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suction feeders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/20" definition-exists="false" ipc-concordant="C03B7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Scoop feeders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B7/22" definition-exists="false" ipc-concordant="C03B7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gathering-devices in the form of rods or pipes</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C03B9/00" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shaping of glass </text><reference><text>manufacture of fibres <class-ref scheme="cpc">C03B37/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B9/00" definition-exists="true" ipc-concordant="C03B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blowing glass</text></title-part><title-part><text>Production of hollow glass articles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/02" definition-exists="false" ipc-concordant="C03B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the mouth</text></title-part><title-part><text>Auxiliary means therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/03" definition-exists="false" ipc-concordant="C03B9/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blow pipes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/04" definition-exists="false" ipc-concordant="C03B9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making hollow glass articles with feet or projections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/06" definition-exists="false" ipc-concordant="C03B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making hollow glass articles with double walls, e.g. vacuum flasks</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/08" definition-exists="false" ipc-concordant="C03B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Finish-blowing with compressed air of blanks blown with the mouth</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/10" definition-exists="false" ipc-concordant="C03B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blowing glass cylinders for sheet manufacture</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/12" definition-exists="false" ipc-concordant="C03B9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>starting from a ribbon of glass</text></title-part><title-part><text>Ribbon machines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/13" definition-exists="false" ipc-concordant="C03B9/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in gob feeder machines </text><reference><text><class-ref scheme="cpc">C03B9/28</class-ref>, <class-ref scheme="cpc">C03B9/29</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/14" definition-exists="false" ipc-concordant="C03B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in &quot;blow&quot; machines or in &quot;blow-and-blow&quot; machines </text><reference><text><class-ref scheme="cpc">C03B9/193</class-ref>, <class-ref scheme="cpc">C03B9/20</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/145" definition-exists="false" ipc-concordant="C03B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of machines without turn-over moulds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/16" definition-exists="false" ipc-concordant="C03B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in machines with turn-over moulds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/165" definition-exists="false" ipc-concordant="C03B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of such machines, e.g. guide funnels, turn-over mechanisms </text><reference><text><class-ref scheme="cpc">C03B9/18</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/18" definition-exists="false" ipc-concordant="C03B9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary-table machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B9/185" definition-exists="false" ipc-concordant="C03B9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least two rotary tables</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B9/19" definition-exists="false" ipc-concordant="C03B9/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having only one rotary table</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/193" definition-exists="false" ipc-concordant="C03B9/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/193</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in &quot;press-and-blow&quot; machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/1932" definition-exists="false" ipc-concordant="C03B9/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/1932</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of such machines, e.g. plungers or plunger mechanisms for the press-and-blow machine, cooling of plungers </text><reference><text><class-ref scheme="cpc">C03B9/195</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/1934" definition-exists="false" ipc-concordant="C03B9/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/1934</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical displacement means of the plunger</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/1936" definition-exists="false" ipc-concordant="C03B9/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/1936</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydraulic or pneumatic displacement means of the plunger</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/1938" definition-exists="false" ipc-concordant="C03B9/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/1938</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrical means for the displacement of the plunger</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/195" definition-exists="false" ipc-concordant="C03B9/195" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/195</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary-table machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/1955" definition-exists="false" ipc-concordant="C03B9/195" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/1955</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least two rotary tables</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/197" definition-exists="false" ipc-concordant="C03B9/197" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/197</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the blank mould</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/20" definition-exists="false" ipc-concordant="C03B9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in &quot;vacuum blowing&quot; or in &quot;vacuum-and-blow&quot; machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/22" definition-exists="false" ipc-concordant="C03B9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary-table machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/225" definition-exists="false" ipc-concordant="C03B9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least two rotary tables</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/24" definition-exists="false" ipc-concordant="C03B9/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the blank mould</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/28" definition-exists="false" ipc-concordant="C03B9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in machines of the endless-chain type </text><reference><text><class-ref scheme="cpc">C03B9/12</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/29" definition-exists="false" ipc-concordant="C03B9/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Paste mould machines </text><reference><text><class-ref scheme="cpc">C03B9/28</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/292" definition-exists="false" ipc-concordant="C03B9/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of such machines </text><reference><text><class-ref scheme="cpc">C03B9/295</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/295" definition-exists="false" ipc-concordant="C03B9/295" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/295</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary-table machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/2955" definition-exists="false" ipc-concordant="C03B9/295" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/2955</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least two rotary tables</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B9/30" definition-exists="false" ipc-concordant="C03B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of blowing glass </text><reference><text>for blowing with the mouth <class-ref scheme="cpc">C03B9/02</class-ref></text></reference></title-part><title-part><text>Use of materials for the moulds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/31" definition-exists="false" ipc-concordant="C03B9/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blowing laminated glass articles or glass with enclosures, e.g. wires, bubbles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/32" definition-exists="false" ipc-concordant="C03B9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Giving special shapes to parts of hollow glass articles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/325" definition-exists="false" ipc-concordant="C03B9/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming screw-threads or lips at the mouth of hollow glass articles</text></title-part><title-part><text>Neck moulds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/33" definition-exists="false" ipc-concordant="C03B9/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making hollow glass articles with feet or projections</text></title-part><title-part><text>Moulds therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/335" definition-exists="false" ipc-concordant="C03B9/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/335</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming bottoms to blown hollow glass articles</text></title-part><title-part><text>Bottom moulds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/34" definition-exists="false" ipc-concordant="C03B9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass-blowing moulds not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/342" definition-exists="false" ipc-concordant="C03B9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/342</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Neck moulds </text><reference><text><class-ref scheme="cpc">C03B9/325</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/344" definition-exists="false" ipc-concordant="C03B9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/344</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bottom moulds </text><reference><text><class-ref scheme="cpc">C03B9/335</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/347" definition-exists="false" ipc-concordant="C03B9/347" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/347</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the blank or blow mould</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/353" definition-exists="false" ipc-concordant="C03B9/353" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B9/353</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Mould holders </text><CPC-specific-text><text>; Mould opening and closing mechanisms</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/3532" definition-exists="false" ipc-concordant="C03B9/353" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3532</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanisms for holders of half moulds moving by rotation about a common vertical axis</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B9/3535" definition-exists="false" ipc-concordant="C03B9/353" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3535</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the half moulds parallel upon opening and closing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/3537" definition-exists="false" ipc-concordant="C03B9/353" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3537</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanisms for holders of half moulds moving by linear translation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/36" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blow heads</text></title-part><title-part><text>Supplying, ejecting or controlling the air</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3609" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3609</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection or characteristics of the blowing medium, e.g. gas composition, moisture content, cryogenic state</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3618" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3618</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for holding or transferring the blow head</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3627" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3627</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for general supply or distribution of the air to the blow heads</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/3636" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3636</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manifolds or regulating devices, e.g. valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3645" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3645</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to plungers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3654" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3654</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to neck forming</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3663" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to internal blowing of the hollow glass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/3672" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3672</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a tube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B9/3681" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3681</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Movable tubes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/369" definition-exists="false" ipc-concordant="C03B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/369</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to bottom forming</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/38" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for cooling, heating, or insulating glass-blowing machines </text><CPC-specific-text><text>or for cooling the glass moulded by the machine</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3808" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3808</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection or characteristics of the cooling, heating or insulating medium, e.g. gas composition, moisture content, cryogenic state</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3816" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B9/3816</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>Means for general supply, distribution or control of the medium to the mould, e.g. sensors, circuits, distribution networks</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3825" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3825</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to plungers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3833" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to neck moulds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3841" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3841</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to direct cooling, heating or insulating of the moulded glass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/385" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/385</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a tube for cooling or heating the inside, e.g. blowheads</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B9/3858" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3858</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Movable tubes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3866" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to bottom moulds, e.g. baffles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3875" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3875</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof relating to the side-wall, body or main part of the moulds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/3883" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3883</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Air delivery thereto, e.g. plenum, piping</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/3891" definition-exists="false" ipc-concordant="C03B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/3891</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manifolds or regulating devices, e.g. valves, injectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/40" definition-exists="false" ipc-concordant="C03B9/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gearing or controlling mechanisms specially adapted for glass-blowing machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/403" definition-exists="false" ipc-concordant="C03B9/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydraulic or pneumatic systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/406" definition-exists="false" ipc-concordant="C03B9/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manifolds or regulating devices, e.g. valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/41" definition-exists="false" ipc-concordant="C03B9/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric or electronic systems </text><reference><text>in general <class-ref scheme="cpc">G05B19/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/42" definition-exists="false" ipc-concordant="C03B9/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for fusing, burning-off, or edge-melting combined with glass-blowing machines </text><reference><text>uniting glass pieces by fusing <class-ref scheme="cpc">C03B23/20</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/44" definition-exists="false" ipc-concordant="C03B9/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for discharging combined with glass-blowing machines, e.g. take-outs</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/447" definition-exists="false" ipc-concordant="C03B9/447" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/447</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for the removal of glass articles from the blow-mould, e.g. take-outs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B9/453" definition-exists="false" ipc-concordant="C03B9/453" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B9/453</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Means for pushing newly formed glass articles onto a conveyor, e.g. sweep-out mechanisms</text></title-part><title-part><text>Dead-plate mechanisms</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B9/4535" definition-exists="false" ipc-concordant="C03B9/453" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/4535</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dead-plate mechanisms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/46" definition-exists="false" ipc-concordant="C03B9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for cutting the hot glass in glass-blowing machines </text><reference><text>burning-off <class-ref scheme="cpc">C03B9/42</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B9/48" definition-exists="false" ipc-concordant="C03B9/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B9/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of materials for the moulds</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B11/00" definition-exists="true" ipc-concordant="C03B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressing </text><CPC-specific-text><text>molten</text></CPC-specific-text><text> glass </text><CPC-specific-text><text>or performed glass reheated to equivalent low viscosity without blowing </text><reference><text>shaping molten glass by a press-blow process <class-ref scheme="cpc">C03B9/00</class-ref>, e.g. <class-ref scheme="cpc">C03B9/193</class-ref>; re-forming shaped glass <class-ref scheme="cpc">C03B23/00</class-ref>; re-heating the performed glass <class-ref scheme="cpc">C03B29/00</class-ref>; transporting the performed or pressed glass during its manufacture <class-ref scheme="cpc">C03B35/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/005" definition-exists="false" ipc-concordant="C03B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressing under special atmospheres, e.g. inert, reactive, vacuum, clean</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/02" definition-exists="false" ipc-concordant="C03B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in machines with rotary tables</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/04" definition-exists="false" ipc-concordant="C03B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in machines with moulds fed by suction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/05" definition-exists="false" ipc-concordant="C03B11/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in machines with reciprocating moulds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/06" definition-exists="false" ipc-concordant="C03B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of plunger or mould</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B11/07" definition-exists="false" ipc-concordant="C03B11/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suction moulds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B11/08" definition-exists="false" ipc-concordant="C03B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for making solid articles, e.g. lenses</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B11/082" definition-exists="false" ipc-concordant="C03B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B11/082</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>having profiled, patterned or microstructured surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B11/084" definition-exists="false" ipc-concordant="C03B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>material composition or material properties of press dies therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B11/086" definition-exists="false" ipc-concordant="C03B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of coated dies </text><reference><text>use of materials as release or lubricating compositions <class-ref scheme="cpc">C03B40/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B11/088" definition-exists="false" ipc-concordant="C03B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flat discs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B11/10" definition-exists="false" ipc-concordant="C03B11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for making hollow </text><CPC-specific-text><text>or semi-hollow</text></CPC-specific-text><text> articles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/12" definition-exists="false" ipc-concordant="C03B11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; </text><CPC-specific-text><text>cooling or heating of the glass in the mould</text></CPC-specific-text><reference><text><class-ref scheme="cpc">C03B9/38</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B11/122" definition-exists="false" ipc-concordant="C03B11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B11/125" definition-exists="false" ipc-concordant="C03B11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B11/127" definition-exists="false" ipc-concordant="C03B11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of hollow or semi-hollow articles or their moulds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/14" definition-exists="false" ipc-concordant="C03B11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressing laminated glass articles or glass</text></CPC-specific-text><text> with metal inserts </text><CPC-specific-text><text>or enclosures, e.g. wires, bubbles, coloured parts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B11/16" definition-exists="false" ipc-concordant="C03B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B11/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gearing or controlling mechanisms specially adapted for glass presses</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B13/00" definition-exists="true" ipc-concordant="C03B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B13/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling </text><CPC-specific-text><text>molten</text></CPC-specific-text><text> glass </text><CPC-specific-text><text>, i.e. where the molten glass is shaped by rolling </text><reference><text>re-forming shaped glass by rolling <class-ref scheme="cpc">C03B23/004</class-ref>, <class-ref scheme="cpc">C03B23/033</class-ref>, <class-ref scheme="cpc">C03B23/055</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/01" definition-exists="false" ipc-concordant="C03B13/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B13/01</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling profiled glass articles </text><CPC-specific-text><text>, e.g. with I, L, T cross-sectional profiles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/02" definition-exists="false" ipc-concordant="C03B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling non-patterned sheets discontinuously</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/04" definition-exists="false" ipc-concordant="C03B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling non-patterned sheets continuously</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/06" definition-exists="false" ipc-concordant="C03B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B13/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling corrugated sheets </text><CPC-specific-text><text>, e.g. with undulating waving form</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/08" definition-exists="false" ipc-concordant="C03B13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B13/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling patterned sheets </text><CPC-specific-text><text>, e.g. sheets having a surface pattern</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/10" definition-exists="false" ipc-concordant="C03B13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B13/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling multi-layer sheets </text><CPC-specific-text><text>, e.g. sheets having a coloured glass layer</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/12" definition-exists="false" ipc-concordant="C03B13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling glass with enclosures, e.g. wire, </text><CPC-specific-text><text>bubbles, fibres, particles</text></CPC-specific-text><text> or asbestos</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/14" definition-exists="false" ipc-concordant="C03B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B13/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling other articles </text><CPC-specific-text><text>, i.e. not covered by <class-ref scheme="cpc">C03B13/01</class-ref>&#160;-&#160;<class-ref scheme="cpc">C03B13/12</class-ref>, e.g. channeled articles, briquette-shaped articles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/16" definition-exists="false" ipc-concordant="C03B13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the glass rollers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B13/18" definition-exists="false" ipc-concordant="C03B13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary means for rolling glass, e.g. sheet supports, gripping devices, hand-ladles, means for moving glass pots</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B13/183" definition-exists="false" ipc-concordant="C03B13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Receiving tables or roller beds for the rolled plateglass</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B13/186" definition-exists="false" ipc-concordant="C03B13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B13/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pot gripping devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B15/00" definition-exists="true" ipc-concordant="C03B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing glass upwardly from the melt</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B15/02" definition-exists="false" ipc-concordant="C03B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing glass sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B15/04" definition-exists="false" ipc-concordant="C03B15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from the free surface of the melt</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B15/06" definition-exists="false" ipc-concordant="C03B15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from a debiteuse</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B15/08" definition-exists="false" ipc-concordant="C03B15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of bars below the surface of the melt</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B15/10" definition-exists="false" ipc-concordant="C03B15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>multi-layer glass sheets or glass sheets coated with coloured layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B15/12" definition-exists="false" ipc-concordant="C03B15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the annealing tower</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B15/14" definition-exists="false" ipc-concordant="C03B15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing tubes, cylinders, or rods from the melt</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B15/16" definition-exists="false" ipc-concordant="C03B15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing tubes, cylinders or rods, coated with coloured layers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B15/18" definition-exists="false" ipc-concordant="C03B15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for laying-down and conveying combined with the drawing of glass sheets, tubes or rods</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B17/00" definition-exists="true" ipc-concordant="C03B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming </text><CPC-specific-text><text>molten</text></CPC-specific-text><text> glass by flowing-out, pushing-out, </text><CPC-specific-text><text>extruding</text></CPC-specific-text><text> or drawing downwardly or laterally from forming slits or by overflowing over lips</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B17/02" definition-exists="false" ipc-concordant="C03B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming </text><CPC-specific-text><text>molten</text></CPC-specific-text><text> glass coated with coloured layers; </text><CPC-specific-text><text>Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B17/025" definition-exists="false" ipc-concordant="C03B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tubes or rods</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B17/04" definition-exists="false" ipc-concordant="C03B17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B17/06" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming glass sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B17/061" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by lateral drawing or extrusion</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B17/062" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with flowing onto a solid or gaseous support from which the sheet is drawn</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B17/064" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by the overflow downdraw fusion process; Isopipes therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B17/065" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Forming profiled, patterned or corrugated sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B17/067" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with thermal conditioning of the sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B17/068" definition-exists="false" ipc-concordant="C03B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B17/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for providing the drawing force, e.g. traction or draw rollers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B18/00" definition-exists="true" ipc-concordant="C03B18/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shaping glass in contact with the surface of a liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B18/02" definition-exists="false" ipc-concordant="C03B18/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B18/04" definition-exists="false" ipc-concordant="C03B18/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Changing or regulating the dimensions of the molten glass ribbon</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B18/06" definition-exists="false" ipc-concordant="C03B18/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical means, e.g. restrictor bars, edge rollers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B18/08" definition-exists="false" ipc-concordant="C03B18/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B18/10" definition-exists="false" ipc-concordant="C03B18/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B18/12" definition-exists="false" ipc-concordant="C03B18/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B18/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Making multilayer, coloured or armoured glass </text><reference><text>chemical aspects <class-ref scheme="cpc">C03C</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B18/14" definition-exists="false" ipc-concordant="C03B18/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Changing the surface of the glass ribbon, e.g. roughening </text><reference><text>by chemical methods <class-ref scheme="cpc">C03C</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B18/16" definition-exists="false" ipc-concordant="C03B18/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the float tank</text></title-part><title-part><text>Use of material for the float tank</text></title-part><title-part><text>Coating or protection of the tank wall</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B18/18" definition-exists="false" ipc-concordant="C03B18/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating the temperature of the float bath</text></title-part><title-part><text>Composition or purification of the float bath</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B18/20" definition-exists="false" ipc-concordant="C03B18/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composition of the atmosphere above the float bath</text></title-part><title-part><text>Treating or purifying the atmosphere above the float bath</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B18/22" definition-exists="false" ipc-concordant="C03B18/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B18/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating the temperature of the atmosphere above the float tank</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B19/00" definition-exists="true" ipc-concordant="C03B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other methods of shaping glass </text><reference><text>manufacture or treatment of flakes, fibres or filaments from softened glass, minerals or slags <class-ref scheme="cpc">C03B37/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/01" definition-exists="false" ipc-concordant="C03B19/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B19/01</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by progressive fusion </text><CPC-specific-text><text>or sintering</text></CPC-specific-text><text> of powdered glass onto a shaping substrate, i.e. accretion </text><CPC-specific-text><text>, e.g. plasma oxidation deposition </text><reference><text>making fibre preforms <class-ref scheme="cpc">C03B37/01291</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/02" definition-exists="false" ipc-concordant="C03B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by casting </text><CPC-specific-text><text>molten glass, e.g. injection moulding</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/025" definition-exists="false" ipc-concordant="C03B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by injection moulding, e.g. extrusion</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/04" definition-exists="false" ipc-concordant="C03B19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by centrifuging </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B19/095</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/06" definition-exists="false" ipc-concordant="C03B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sintering, </text><CPC-specific-text><text>e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/063" definition-exists="false" ipc-concordant="C03B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by hot-pressing powders</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/066" definition-exists="false" ipc-concordant="C03B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the production of quartz or fused silica articles </text><reference><text>other processes specially adapted for the production of quartz or fused silica articles <class-ref scheme="cpc">C03B20/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/08" definition-exists="false" ipc-concordant="C03B19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by foaming</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/09" definition-exists="false" ipc-concordant="C03B19/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fusing powdered glass in a shaping mould</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/095" definition-exists="false" ipc-concordant="C03B19/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifuging, e.g. arc discharge in rotating mould </text><reference><text>crucibles for crystal pulling in general <class-ref scheme="cpc">C30B15/10</class-ref>, <class-ref scheme="cpc">C30B35/002</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/10" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming beads</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1005" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Forming solid beads </text><reference><text>chemical aspects <class-ref scheme="cpc">C03C12/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/101" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by casting molten glass into a mould or onto a wire</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1015" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using centrifugal force or by pouring molten glass onto a rotating cutting body, e.g. shredding</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/102" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by blowing a gas onto a stream of molten glass or onto particulate materials, e.g. pulverising</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B19/1025" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bead furnaces or burners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B19/103" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluidised-bed furnaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1035" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/104" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by rolling, e.g. using revolving cylinders, rotating discs, rolls</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1045" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bringing hot glass in contact with a liquid, e.g. shattering</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B19/105" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being a molten metal or salt</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1055" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by extruding, e.g. dripping molten glass in a gaseous atmosphere</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/106" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by chemical vapour deposition; by liquid phase reaction</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B19/1065" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by liquid phase reactions, e.g. by means of a gel phase</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/107" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Forming hollow beads </text><reference><text>chemical aspects <class-ref scheme="cpc">C03C11/002</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1075" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by blowing, pressing, centrifuging, rolling or dripping</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/108" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Forming porous, sintered or foamed beads </text><reference><text>chemical aspects <class-ref scheme="cpc">C03C11/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1085" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by blowing, pressing, centrifuging, rolling or dripping</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/109" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/109</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass-melting furnaces specially adapted for making beads</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1095" definition-exists="false" ipc-concordant="C03B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal after-treatment of beads, e.g. tempering, crystallisation, annealing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/12" definition-exists="false" ipc-concordant="C03B19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by liquid-phase reaction processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B19/14" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gas- </text><CPC-specific-text><text>or vapour-</text></CPC-specific-text><text> phase reaction processes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1407" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deposition reactors therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1415" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactant delivery systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1423" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactant deposition burners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B19/143" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plasma vapour deposition</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1438" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for delivering and depositing additional reactants as liquids or solutions, e.g. solution doping of the article or deposit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1446" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for after-treatment or catching of worked reactant gases</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1453" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal after-treatment of the shaped article, e.g. dehydrating, consolidating, sintering</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1461" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for doping the shaped article with flourine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1469" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for changing or stabilising the shape or form of the shaped article or deposit</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1476" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for heating during or immediately prior to deposition </text><reference><text><class-ref scheme="cpc">C03B19/1415</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B19/1484" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1484</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for supporting, rotating or translating the article being formed</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B19/1492" definition-exists="false" ipc-concordant="C03B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B19/1492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deposition substrates, e.g. targets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B20/00" definition-exists="true" ipc-concordant="C03B20/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B20/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Processes specially adapted for the production of quartz or fused silica articles </text><CPC-specific-text><text>, not otherwise provided for </text><reference><text><class-ref scheme="cpc">C03B19/01</class-ref>, <class-ref scheme="cpc">C03B19/066</class-ref>, <class-ref scheme="cpc">C03B19/106</class-ref>, <class-ref scheme="cpc">C03B19/12</class-ref>, <class-ref scheme="cpc">C03B19/14</class-ref>, <class-ref scheme="cpc">C03B37/00</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B21/00" definition-exists="true" ipc-concordant="C03B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Severing glass sheets, tubes or rods while still plastic</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B21/02" definition-exists="false" ipc-concordant="C03B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cutting </text><reference><text><class-ref scheme="cpc">C03B9/46</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B21/04" definition-exists="false" ipc-concordant="C03B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by punching out</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B21/06" definition-exists="false" ipc-concordant="C03B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by flashing-off, burning-off or fusing </text><reference><text><class-ref scheme="cpc">C03B9/42</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B23/00" definition-exists="true" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Re-forming shaped glass </text><reference><text>re-forming fibres or filaments <class-ref scheme="cpc">C03B37/14</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0006" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by drawing </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0013" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressing </text><reference><text><class-ref scheme="cpc">C03B21/04</class-ref>, <class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref>, <class-ref scheme="cpc">C03B23/26</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/002" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Re-forming the rim portions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0026" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gravity, e.g. sagging </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0033" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifuging </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/004" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by rolling </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/0046" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Re-forming the rim portions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/0053" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hand tools therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/006" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by fusing, e.g. for flame sealing </text><reference><text><class-ref scheme="cpc">C03B9/42</class-ref>, <class-ref scheme="cpc">C03B21/06</class-ref>, <class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref>, <class-ref scheme="cpc">C03B33/08</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0066" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bending </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0073" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by blowing </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/008" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vacuum-blowing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0086" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating devices specially adapted for re-forming shaped glass articles in general, e.g. burners </text><reference><text><class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/0093" definition-exists="false" ipc-concordant="C03B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tools and machines specially adapted for re-forming shaped glass articles in general, e.g. chucks </text><reference><text><class-ref scheme="cpc">C03B23/0086</class-ref>, <class-ref scheme="cpc">C03B23/02</class-ref>, <class-ref scheme="cpc">C03B23/04</class-ref>, <class-ref scheme="cpc">C03B23/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/02" definition-exists="false" ipc-concordant="C03B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Re-forming glass sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/023" definition-exists="false" ipc-concordant="C03B23/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bending</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/0235" definition-exists="false" ipc-concordant="C03B23/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving applying local or additional heating, cooling or insulating means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/025" definition-exists="false" ipc-concordant="C03B23/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gravity</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0252" definition-exists="false" ipc-concordant="C03B23/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0252</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gravity only, e.g. sagging </text><reference><text><class-ref scheme="cpc">C03B23/035</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B23/0254" definition-exists="false" ipc-concordant="C03B23/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a continuous way, e.g. gravity roll bending</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0256" definition-exists="false" ipc-concordant="C03B23/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0256</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Gravity bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0258" definition-exists="false" ipc-concordant="C03B23/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0258</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Gravity bending involving applying local or additional heating, cooling or insulating means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/027" definition-exists="false" ipc-concordant="C03B23/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moulds having at least two upward pivotable mould sections</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/03" definition-exists="false" ipc-concordant="C03B23/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by press-bending between shaping moulds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0302" definition-exists="false" ipc-concordant="C03B23/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0302</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between opposing full-face shaping moulds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0305" definition-exists="false" ipc-concordant="C03B23/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Press-bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0307" definition-exists="false" ipc-concordant="C03B23/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Press-bending involving applying local or additional heating, cooling or insulating means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/031" definition-exists="false" ipc-concordant="C03B23/031" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/031</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the glass sheets being in a vertical position </text><reference><text><class-ref scheme="cpc">C03B23/033</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B23/0315" definition-exists="false" ipc-concordant="C03B23/031" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0315</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and supported on the lower edge</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/033" definition-exists="false" ipc-concordant="C03B23/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B23/033</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in a continuous way, e.g. roll forming </text><CPC-specific-text><text>, or press-roll bending</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/035" definition-exists="false" ipc-concordant="C03B23/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a gas cushion or by changing gas pressure, e.g. by applying vacuum </text><CPC-specific-text><text>or blowing for supporting the glass while bending</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/0352" definition-exists="false" ipc-concordant="C03B23/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0352</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by suction or blowing out for providing the deformation force to bend the glass sheet</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B23/0355" definition-exists="false" ipc-concordant="C03B23/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0355</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by blowing without suction directly on the glass sheet</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B23/0357" definition-exists="false" ipc-concordant="C03B23/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>C03B23/0357</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>by suction without blowing, e.g. with vacuum or by venturi effect</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/037" definition-exists="false" ipc-concordant="C03B23/037" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by drawing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/04" definition-exists="false" ipc-concordant="C03B23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Re-forming tubes or rods</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/043" definition-exists="false" ipc-concordant="C03B23/043" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/045" definition-exists="false" ipc-concordant="C03B23/045" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks </text><reference><text><class-ref scheme="cpc">C03B23/043</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/047" definition-exists="false" ipc-concordant="C03B23/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by drawing </text><reference><CPC-specific-text><text><class-ref scheme="cpc">C03B23/091</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">C03B37/025</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/0473" definition-exists="false" ipc-concordant="C03B23/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0473</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for forming constrictions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/0476" definition-exists="false" ipc-concordant="C03B23/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>onto a forming die, e.g. a mandrel or a wire</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/049" definition-exists="false" ipc-concordant="C03B23/049" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B23/049</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by pressing </text><reference><text><class-ref scheme="cpc">C03B21/04</class-ref>  </text><CPC-specific-text><text>, <class-ref scheme="cpc">C03B23/092</class-ref></text></CPC-specific-text><text>, <class-ref scheme="cpc">C03B23/26</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/0493" definition-exists="false" ipc-concordant="C03B23/049" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a longitudinal direction, e.g. for upsetting or extrusion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/0496" definition-exists="false" ipc-concordant="C03B23/049" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/0496</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for expanding in a radial way, e.g. by forcing a mandrel through a tube or rod</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/051" definition-exists="false" ipc-concordant="C03B23/051" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/051</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gravity, e.g. sagging </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B23/093</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/053" definition-exists="false" ipc-concordant="C03B23/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by centrifuging </text><reference><CPC-specific-text><text><class-ref scheme="cpc">C03B23/094</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">C03B37/04</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/055" definition-exists="false" ipc-concordant="C03B23/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by rolling </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B23/095</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/057" definition-exists="false" ipc-concordant="C03B23/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/057</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fusing, e.g. for flame sealing </text><reference><text><class-ref scheme="cpc">C03B9/42</class-ref>, <class-ref scheme="cpc">C03B21/06</class-ref> </text><CPC-specific-text><text><class-ref scheme="cpc">C03B23/099</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">C03B33/08</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/06" definition-exists="false" ipc-concordant="C03B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bending </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B23/096</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/065" definition-exists="false" ipc-concordant="C03B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in only one plane, e.g. for making circular neon tubes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/07" definition-exists="false" ipc-concordant="C03B23/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by blowing, e.g. for making electric bulbs </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B23/097</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/073" definition-exists="false" ipc-concordant="C03B23/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vacuum-blowing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/076" definition-exists="false" ipc-concordant="C03B23/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shrinking the glass tube on to a mandrel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/08" definition-exists="false" ipc-concordant="C03B23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to exact dimensions, e.g. calibrating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/09" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reshaping the ends, e.g. as grooves, threads or mouths</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/091" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/091</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by drawing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/092" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/093" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gravity, e.g. sagging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/094" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifuging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/095" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by rolling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/096" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bending</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/097" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/097</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by blowing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/098" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/098</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vacuum-blowing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/099" definition-exists="false" ipc-concordant="C03B23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/099</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by fusing, e.g. flame sealing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/11" definition-exists="false" ipc-concordant="C03B23/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reshaping by drawing without blowing, in combination with separating, e.g. for making ampoules</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/112" definition-exists="false" ipc-concordant="C03B23/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus for conveying the tubes or rods in a curved path around a vertical axis through one or more forming stations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B23/114" definition-exists="false" ipc-concordant="C03B23/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/114</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices for feeding tubes or rods to these machines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/116" definition-exists="false" ipc-concordant="C03B23/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus for conveying the tubes or rods in a curved path around a horizontal axis through one or more forming stations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/118" definition-exists="false" ipc-concordant="C03B23/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/118</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus for conveying the tubes or rods in a horizontal or an inclined plane through one or more forming stations</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/13" definition-exists="false" ipc-concordant="C03B23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reshaping combined with uniting or heat sealing, e.g. for making vacuum bottles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/18" definition-exists="false" ipc-concordant="C03B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Re-forming and sealing ampoules</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/20" definition-exists="false" ipc-concordant="C03B23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Uniting glass pieces by fusing without substantial reshaping</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/203" definition-exists="false" ipc-concordant="C03B23/203" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Uniting glass sheets </text><reference><text><class-ref scheme="cpc">C03B23/24</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/207" definition-exists="false" ipc-concordant="C03B23/207" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Uniting glass rods, glass tubes, or hollow glassware </text><reference><text><class-ref scheme="cpc">C03B23/24</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/213" definition-exists="false" ipc-concordant="C03B23/213" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining projections or feet</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/217" definition-exists="false" ipc-concordant="C03B23/217" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/217</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for the production of cathode ray tubes or similarly shaped tubes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/22" definition-exists="false" ipc-concordant="C03B23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Uniting glass lenses, e.g. forming bifocal lenses</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B23/24" definition-exists="false" ipc-concordant="C03B23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making hollow glass sheets or bricks</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B23/245" definition-exists="false" ipc-concordant="C03B23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow glass sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B23/26" definition-exists="false" ipc-concordant="C03B23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B23/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Punching reheated glass</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C03B25/00" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment of glass products </text><reference><text>of fibres <class-ref scheme="cpc">C03B37/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B25/00" definition-exists="true" ipc-concordant="C03B25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Annealing glass products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B25/02" definition-exists="false" ipc-concordant="C03B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a discontinuous way</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B25/025" definition-exists="false" ipc-concordant="C03B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B25/04" definition-exists="false" ipc-concordant="C03B25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous way</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B25/06" definition-exists="false" ipc-concordant="C03B25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with horizontal displacement of the glass products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B25/08" definition-exists="false" ipc-concordant="C03B25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of glass sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B25/087" definition-exists="false" ipc-concordant="C03B25/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being in a vertical position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B25/093" definition-exists="false" ipc-concordant="C03B25/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being in a horizontal position on a fluid support, e.g. a gas or molten metal</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B25/10" definition-exists="false" ipc-concordant="C03B25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vertical displacement of the glass products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B25/12" definition-exists="false" ipc-concordant="C03B25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B25/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of glass sheets</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B27/00" definition-exists="true" ipc-concordant="C03B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tempering </text><CPC-specific-text><text>or quenching</text></CPC-specific-text><text> glass products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B27/004" definition-exists="false" ipc-concordant="C03B27/004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bringing the hot glass product in contact with a solid cooling surface, e.g. sand grains</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B27/008" definition-exists="false" ipc-concordant="C03B27/008" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using heat of sublimation of solid particles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B27/012" definition-exists="true" ipc-concordant="C03B27/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by heat treatment, e.g. for crystallisation</text></title-part><title-part><text>Heat treatment of glass products before tempering by cooling </text><reference><text><class-ref scheme="cpc">C03B27/008</class-ref>, <class-ref scheme="cpc">C03B27/016</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B27/016" definition-exists="false" ipc-concordant="C03B27/016" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by absorbing heat radiated from the glass product</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B27/02" definition-exists="false" ipc-concordant="C03B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/022" definition-exists="false" ipc-concordant="C03B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being organic, e.g. an oil</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/024" definition-exists="false" ipc-concordant="C03B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being sprayed on the object</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/026" definition-exists="false" ipc-concordant="C03B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being a liquid gas, e.g. a cryogenic liquid, liquid nitrogen</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/028" definition-exists="false" ipc-concordant="C03B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being water-based</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/03" definition-exists="false" ipc-concordant="C03B27/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the liquid being a molten metal or a molten salt</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/035" definition-exists="false" ipc-concordant="C03B27/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being sprayed on the object</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B27/04" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/0404" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/0408" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being dismountable</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/0413" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stresses, e.g. patterns, values or formulae for flat or bent glass sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/0417" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B27/0417</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>Controlling or regulating for flat or bent glass sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/0422" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for flat or bent glass sheets starting in an horizontal position and ending in a non-horizontal position</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/0426" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for bent glass sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B27/0431" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the quench unit being adapted to the bend of the sheet </text><reference><text><class-ref scheme="cpc">C03B27/0435</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B27/0435" definition-exists="false" ipc-concordant="C03B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the quench unit being variably adaptable to the bend of the sheet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/044" definition-exists="false" ipc-concordant="C03B27/044" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for flat or bent glass sheets being in a horizontal position</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/0442" definition-exists="false" ipc-concordant="C03B27/044" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for bent glass sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B27/0445" definition-exists="false" ipc-concordant="C03B27/044" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the quench unit being adapted to the bend of the sheet </text><reference><text><class-ref scheme="cpc">C03B27/0447</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B27/0447" definition-exists="false" ipc-concordant="C03B27/044" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the quench unit being variably adaptable to the bend of the sheet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/048" definition-exists="false" ipc-concordant="C03B27/048" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on a gas cushion</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/052" definition-exists="false" ipc-concordant="C03B27/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/052</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for flat or bent glass sheets being in a vertical position</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/0522" definition-exists="false" ipc-concordant="C03B27/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0522</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzles, blow heads, blowing units or their arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B27/0524" definition-exists="false" ipc-concordant="C03B27/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0524</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being dismountable</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/0526" definition-exists="false" ipc-concordant="C03B27/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stresses, e.g. patterns, values or formulae</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/0528" definition-exists="false" ipc-concordant="C03B27/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/0528</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/056" definition-exists="false" ipc-concordant="C03B27/056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/056</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>supported on the lower edge</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B27/06" definition-exists="false" ipc-concordant="C03B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for glass products other than flat or bent glass plates, e.g. hollow glassware, lenses</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/062" definition-exists="false" ipc-concordant="C03B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzles or blow-heads, e.g. tubes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/065" definition-exists="false" ipc-concordant="C03B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stresses, e.g. patterns, values or formulae</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B27/067" definition-exists="false" ipc-concordant="C03B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B27/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B29/00" definition-exists="true" ipc-concordant="C03B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reheating glass products for softening or fusing their surfaces</text></title-part><title-part><text>Fire-polishing</text></title-part><title-part><text>Fusing of margins</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B29/02" definition-exists="false" ipc-concordant="C03B29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a discontinuous way</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B29/025" definition-exists="false" ipc-concordant="C03B29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B29/04" definition-exists="false" ipc-concordant="C03B29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous way</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B29/06" definition-exists="false" ipc-concordant="C03B29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with horizontal displacement of the products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B29/08" definition-exists="false" ipc-concordant="C03B29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B29/10" definition-exists="false" ipc-concordant="C03B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being in a vertical position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B29/12" definition-exists="false" ipc-concordant="C03B29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being in a horizontal position on a fluid support, e.g. a gas or molten metal</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B29/14" definition-exists="false" ipc-concordant="C03B29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vertical displacement of the products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B29/16" definition-exists="false" ipc-concordant="C03B29/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B29/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass sheets</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B31/00" definition-exists="false" ipc-concordant="C03B31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B31/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture of rippled or crackled glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B32/00" definition-exists="true" ipc-concordant="C03B32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B32/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Thermal after-treatment of glass products not provided for in groups </text><CPC-specific-text><text><class-ref scheme="cpc">C03B19/00</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">C03B25/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C03B31/00</class-ref> </text><CPC-specific-text><text>or <class-ref scheme="cpc">C03B37/00</class-ref></text></CPC-specific-text><text>, e.g. crystallisation, eliminating gas inclusions or other impurities; </text><CPC-specific-text><text>Hot-pressing vitrified, non-porous, shaped glass products</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B32/005" definition-exists="false" ipc-concordant="C03B32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B32/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hot-pressing vitrified, non-porous, shaped glass products</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B32/02" definition-exists="false" ipc-concordant="C03B32/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B32/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03B27/012</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B33/00" definition-exists="true" ipc-concordant="C03B33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Severing cooled glass </text><reference><text>severing glass fibres <class-ref scheme="cpc">C03B37/16</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B33/02" definition-exists="false" ipc-concordant="C03B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting or splitting sheet glass </text><CPC-specific-text><text>or ribbons</text></CPC-specific-text></title-part><title-part><text>Apparatus or machines therefor </text><reference><text><class-ref scheme="cpc">C03B33/09</class-ref> takes precedence; glass-cutting tools <class-ref scheme="cpc">C03B33/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/0207" definition-exists="false" ipc-concordant="C03B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sheet being in a substantially vertical plane</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/0215" definition-exists="false" ipc-concordant="C03B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the ribbon being in a substantially vertical plane</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/0222" definition-exists="true" ipc-concordant="C03B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/0222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Scoring using a focussed radiation beam, e.g. laser</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/023" definition-exists="false" ipc-concordant="C03B33/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sheet </text><CPC-specific-text><text>or ribbon</text></CPC-specific-text><text> being in a horizontal position</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/0235" definition-exists="false" ipc-concordant="C03B33/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ribbons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/027" definition-exists="false" ipc-concordant="C03B33/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Scoring tool holders</text></title-part><title-part><text>Driving mechanisms therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/03" definition-exists="false" ipc-concordant="C03B33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass cutting tables</text></title-part><title-part><text>Apparatus for transporting or handling sheet glass during the cutting or breaking operations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/033" definition-exists="false" ipc-concordant="C03B33/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for opening score lines in glass sheets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/037" definition-exists="false" ipc-concordant="C03B33/037" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/04" definition-exists="false" ipc-concordant="C03B33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting or splitting in curves, especially for making spectacle lenses</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B33/06" definition-exists="false" ipc-concordant="C03B33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting or splitting glass tubes, rods, or hollow products </text><reference><text><class-ref scheme="cpc">C03B33/09</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B33/07" definition-exists="false" ipc-concordant="C03B33/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting armoured, </text><CPC-specific-text><text>multi-layered, coated</text></CPC-specific-text><text> or laminated, glass products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/072" definition-exists="false" ipc-concordant="C03B33/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Armoured glass, i.e. comprising reinforcement</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/074" definition-exists="false" ipc-concordant="C03B33/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/074</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass products comprising an outer layer or surface coating of non-glass material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/076" definition-exists="false" ipc-concordant="C03B33/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Laminated glass comprising interlayers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/078" definition-exists="false" ipc-concordant="C03B33/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polymeric interlayers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B33/08" definition-exists="false" ipc-concordant="C03B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B33/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by fusing </text><CPC-specific-text><text>, i.e. by melting through the glass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/082" definition-exists="false" ipc-concordant="C03B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a focussed radiation beam, e.g. laser </text><reference><text><class-ref scheme="cpc">C03B33/0855</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/085" definition-exists="false" ipc-concordant="C03B33/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tubes, rods or hollow products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/0855" definition-exists="false" ipc-concordant="C03B33/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/0855</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a focussed radiation beam, e.g. laser</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B33/09" definition-exists="false" ipc-concordant="C03B33/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thermal shock</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/091" definition-exists="false" ipc-concordant="C03B33/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/091</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using at least one focussed radiation beam, e.g. laser beam </text><reference><text><class-ref scheme="cpc">C03B33/0955</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/093" definition-exists="false" ipc-concordant="C03B33/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two or more focussed radiation beams</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/095" definition-exists="false" ipc-concordant="C03B33/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tubes, rods or hollow products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/0955" definition-exists="false" ipc-concordant="C03B33/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/0955</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a focussed radiation beam, e.g. laser</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B33/10" definition-exists="false" ipc-concordant="C03B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass-cutting tools, e.g. scoring tools</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/102" definition-exists="true" ipc-concordant="C03B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a focussed radiation beam, e.g. lasers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/105" definition-exists="false" ipc-concordant="C03B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of cutting or scoring means, e.g. tips</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/107" definition-exists="false" ipc-concordant="C03B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wheel design, e.g. materials, construction, shape</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B33/12" definition-exists="false" ipc-concordant="C03B33/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hand tools </text><reference><text>wheel design <class-ref scheme="cpc">C03B33/107</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B33/14" definition-exists="false" ipc-concordant="C03B33/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B33/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for cutting tubes, rods, or hollow products </text><CPC-specific-text><reference><text>for cutting ampoules <class-ref scheme="cpc">B67B7/92</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B35/00" definition-exists="true" ipc-concordant="C03B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transporting of glass products during their manufacture, </text><CPC-specific-text><text>e.g. hot glass lenses, prisms</text></CPC-specific-text><reference><text>conveying systems for fragile sheets, e.g. glass <class-ref scheme="cpc">B65G49/06</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B35/005" definition-exists="false" ipc-concordant="C03B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transporting hot solid glass products other than sheets or rods, e.g. lenses, prisms, by suction or floatation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B35/04" definition-exists="false" ipc-concordant="C03B35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transporting of hot hollow </text><CPC-specific-text><text>or semi-hollow</text></CPC-specific-text><text> glass products </text><reference><text><class-ref scheme="cpc">C03B35/26</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B35/06" definition-exists="false" ipc-concordant="C03B35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeding of hot hollow glass products into annealing or heating kilns</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/062" definition-exists="false" ipc-concordant="C03B35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B35/062</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using conveyors, e.g. chain- or roller conveyors, dead-plates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/064" definition-exists="false" ipc-concordant="C03B35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted as a lehr loader</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B35/066" definition-exists="false" ipc-concordant="C03B35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with article distributing means, e.g. pivoting deflectors, arresting fingers, stationary guides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/068" definition-exists="false" ipc-concordant="C03B35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gravitational force, e.g. via chutes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/08" definition-exists="false" ipc-concordant="C03B35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rotary means directly acting on the products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/085" definition-exists="false" ipc-concordant="C03B35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transfer mechanisms of the &quot;endless-chain&quot; type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/10" definition-exists="false" ipc-concordant="C03B35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using reciprocating means directly acting on the products, e.g. pushers, stackers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/12" definition-exists="false" ipc-concordant="C03B35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by picking-up and depositing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/125" definition-exists="false" ipc-concordant="C03B35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transfer mechanisms of the &quot;rotary&quot; type, e.g. &quot;take-outs&quot;, &quot;setting-over&quot; mechanisms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B35/14" definition-exists="false" ipc-concordant="C03B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transporting hot glass sheets </text><CPC-specific-text><text>or ribbons, e.g. by heat-resistant conveyor belts or bands</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B35/142" definition-exists="false" ipc-concordant="C03B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by travelling transporting tables</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B35/145" definition-exists="false" ipc-concordant="C03B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by top-side transfer or supporting devices, e.g. lifting or conveying using suction</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/147" definition-exists="false" ipc-concordant="C03B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the non-contact type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B35/16" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B35/16</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>by roller conveyors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/161" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for bent sheets or ribbons </text><reference><text><class-ref scheme="cpc">C03B35/166</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/162" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with means for thermal adjustment of the rollers, e.g. cooling </text><reference><text><class-ref scheme="cpc">C03B35/183</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/163" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drive means, clutches, gearing or drive speed control means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/164" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electric or electronicsystems therefor, e.g. for automatic control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/165" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Supports or couplings for roller ends, e.g. trunions, gudgeons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/166" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for both flat and bent sheets or ribbons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/167" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for removing defect sheets, ribbons or parts thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/168" definition-exists="false" ipc-concordant="C03B35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for cleaning the rollers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/18" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B35/18</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Construction of the conveyor rollers </text><CPC-specific-text><text>Materials, coatings or coverings thereof</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/181" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/181</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials, coatings, loose coverings or sleeves thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/182" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for bent sheets or ribbons </text><reference><text><class-ref scheme="cpc">C03B35/187</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/183" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for thermal adjustment of the rollers, e.g. insulating, heating, cooling thereof</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B35/184" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/184</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/185" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a discontinuous surface for contacting the sheets or ribbons other than cloth or fabric, e.g. having protrusions or depressions, spirally wound cable, projecting discs or tires</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Disc rollers having a discontinuous surface are also classified in <class-ref scheme="cpc">C03B35/189</class-ref></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/186" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>End caps, end fixtures or roller end shape designs</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/187" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rollers specially adapted for both flat and bent sheets or ribbons, i.e. rollers of adjustable curvature</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/188" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/188</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rollers specially adapted for supplying a gas, e.g. porous or foraminous rollers with internal air supply</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/189" definition-exists="false" ipc-concordant="C03B35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/189</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Disc rollers</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Disc rollers having a discontinuous surface are also classified in <class-ref scheme="cpc">C03B35/185</class-ref></note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B35/20" definition-exists="false" ipc-concordant="C03B35/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gripping tongs or supporting frames</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/202" definition-exists="false" ipc-concordant="C03B35/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by supporting frames </text><reference><text><class-ref scheme="cpc">C03B35/145</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/205" definition-exists="false" ipc-concordant="C03B35/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the glass sheets being in a vertical position</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/207" definition-exists="false" ipc-concordant="C03B35/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction or design of supporting frames</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B35/22" definition-exists="false" ipc-concordant="C03B35/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on a fluid support bed, e.g. on molten metal</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B35/24" definition-exists="false" ipc-concordant="C03B35/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on a gas support bed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/243" definition-exists="false" ipc-concordant="C03B35/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a non-planar surface, e.g. curved, for bent sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B35/246" definition-exists="false" ipc-concordant="C03B35/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transporting continuous glass ribbons</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B35/26" definition-exists="false" ipc-concordant="C03B35/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B35/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transporting of glass tubes or rods</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B37/00" definition-exists="true" ipc-concordant="C03B37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B37/005" definition-exists="false" ipc-concordant="C03B37/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture of flakes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B37/01" definition-exists="false" ipc-concordant="C03B37/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture of glass fibres or filaments</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/011" definition-exists="false" ipc-concordant="C03B37/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>starting from a liquid phase reaction process, e.g. through a gel phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/012" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture of preforms for drawing fibres or filaments</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/01202" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for storing or carrying optical fibre preforms, e.g. containers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/01205" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>starting from tubes, rods, fibres or filaments </text><reference><text><class-ref scheme="cpc">C03B37/014</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01208" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for making preforms of microstructured, photonic crystal or holey optical fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01211" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by inserting one or more rods or tubes into a tube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01214" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for making preforms of multifibres, fibre bundles other than multiple core preforms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01217" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B37/01217</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>for making preforms of polarisation-maintaining optical fibres </text><reference><text>polarisation-maintaining optical fibres <u>per se</u> <class-ref scheme="cpc">G02B6/105</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0122" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for making preforms of photonic crystal, microstructured or holey optical fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01222" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for making preforms of multiple core optical fibres </text><reference><text>preforms of multifibres <class-ref scheme="cpc">C03B37/01214</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01225" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01228" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removal of preform material </text><reference><text><class-ref scheme="cpc">C03B37/01251</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01231" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01231</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to form a longitudinal hole, e.g. by drilling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01234" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01234</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to form longitudinal grooves, e.g. by chamfering</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01237" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01237</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to modify the diameter by heat-polishing, e.g. fire-polishing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0124" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01242" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating the down-draw process</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01245" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by drawing and collapsing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01248" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by collapsing without drawing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01251" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01251</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reshaping the ends</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01254" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by expanding radially, e.g. by forcing a mandrel through or axial pressing a tube or rod</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01257" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating devices therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0126" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for supporting, rotating, translating the rod, tube or preform</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01262" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Depositing additional preform material as liquids or solutions, e.g. solution doping of preform tubes or rods</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/01265" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>starting entirely or partially from molten glass, e.g. by dipping a preform in a melt</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01268" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by casting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01271" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifuging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01274" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01274</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by extrusion or drawing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01277" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01277</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by projecting or spraying the melt, e.g. as droplets, on a preform</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/0128" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>starting from pulverulent glass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01282" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressing or sintering, e.g. hot-pressing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01285" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifuging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01288" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>C03B37/01288</classification-symbol><class-title date-revised="2019-02-01"><title-part><CPC-specific-text><text>by extrusion, e.g. of glass powder and binder </text><reference><text>moulding plastics around a core using a cross-head annular extrusion nozzle <class-ref scheme="cpc">B29C48/34</class-ref>; extrusion presses in general <class-ref scheme="cpc">B30B11/22</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01291" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01294" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01294</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by delivering pulverulent glass to the deposition target or preform where the powder is progressively melted, e.g. accretion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01297" definition-exists="false" ipc-concordant="C03B37/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01297</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by melting glass powder in a mould</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/014" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/014</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>made entirely or partially by chemical means </text><CPC-specific-text><text>, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] </text><reference><text><class-ref scheme="cpc">C03C17/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01406" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deposition reactors therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01413" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactant delivery systems </text><reference><text><class-ref scheme="cpc">C03B37/01807</class-ref> takes precedence; devices therefor in general <class-ref scheme="cpc">B01D1/00</class-ref>, <class-ref scheme="cpc">B01J4/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0142" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactant deposition burners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01426" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plasma deposition burners or torches</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01433" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for delivering and depositing additional reactants as liquids or solutions, e.g. for solution doping of the porous glass preform</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0144" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for after-treatment or catching of worked reactant gases </text><reference><text><class-ref scheme="cpc">C03B37/01846</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01446" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering </text><reference><text><class-ref scheme="cpc">C03B37/01853</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01453" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for doping the preform with flourine</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0146" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Furnaces therefor, e.g. muffle tubes, furnace linings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01466" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for changing or stabilising the diameter or form of tubes or rods </text><reference><text><class-ref scheme="cpc">C03B37/01861</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01473" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01473</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Collapsing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0148" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for heating preforms during or immediately prior to deposition </text><reference><text><class-ref scheme="cpc">C03B37/0142</class-ref>, <class-ref scheme="cpc">C03B37/01876</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/01486" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for supporting, rotating or translating the preforms being formed, e.g. lathes </text><reference><text><class-ref scheme="cpc">C03B37/01884</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01493" definition-exists="false" ipc-concordant="C03B37/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deposition substrates, e.g. targets, mandrels, start rods or tubes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/016" definition-exists="false" ipc-concordant="C03B37/016" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by a liquid phase reaction process, e.g. through a gel phase</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/018" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by glass deposition on a glass substrate, e.g. by </text><CPC-specific-text><text>inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod</text></CPC-specific-text><reference><text><class-ref scheme="cpc">C03B37/016</class-ref> takes precedence; </text><CPC-specific-text><text>bulk deposition of porous glass by OVD or VAD <class-ref scheme="cpc">C03B37/014</class-ref></text></CPC-specific-text><text> ; surface treatment of glass by coating <class-ref scheme="cpc">C03C17/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01807" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactant delivery systems, e.g. reactant deposition burners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01815" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactant deposition burners or deposition heating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C03B37/01823" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plasma deposition burners or heating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="C03B37/0183" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for plasma within a tube substrate</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01838" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for delivering and depositing additional reactants as liquids or solutions, e.g. for solution doping of the deposited glass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01846" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for after-treatment or catching of worked reactant gases</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01853" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01853</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01861" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for changing or stabilising the diameter or form of tubes or rods</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01869" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01869</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Collapsing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01876" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for heating tubes or rods during or immediately prior to deposition, e.g. electric resistance heaters </text><reference><text><class-ref scheme="cpc">C03B37/01815</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/01884" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01884</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/01892" definition-exists="false" ipc-concordant="C03B37/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/01892</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deposition substrates, e.g. tubes, mandrels</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/02" definition-exists="false" ipc-concordant="C03B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by drawing or extruding, </text><CPC-specific-text><text>e.g. direct drawing of molten glass from nozzles; Cooling fins therefor </text><reference><text><class-ref scheme="cpc">C03B37/04</class-ref> takes precedence; sizing of the fibres <class-ref scheme="cpc">C03C25/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/0203" definition-exists="false" ipc-concordant="C03B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0206" definition-exists="false" ipc-concordant="C03B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by contacting of the fibres with liquid or mist</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0209" definition-exists="false" ipc-concordant="C03B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of a solid heat sink, e.g. cooling fins</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0213" definition-exists="false" ipc-concordant="C03B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0213</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by forced gas cooling, i.e. blowing or suction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/0216" definition-exists="false" ipc-concordant="C03B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solving the problem of disruption of drawn fibre, e.g. breakage, start-up, shut-down procedures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/022" definition-exists="false" ipc-concordant="C03B37/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/022</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres </text><CPC-specific-text><text>, undulated fibres, fibres presenting a rough surface </text><reference><text><class-ref scheme="cpc">C03B37/025</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/023" definition-exists="false" ipc-concordant="C03B37/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres composed of different sorts of glass, </text><CPC-specific-text><text>e.g. glass optical fibres, made by the double crucible technique</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0235" definition-exists="false" ipc-concordant="C03B37/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal treatment of the fibre during the drawing process, e.g. cooling </text><reference><text><class-ref scheme="cpc">C03B37/02718</class-ref> takes precedence; coating <class-ref scheme="cpc">C03C25/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/025" definition-exists="false" ipc-concordant="C03B37/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/025</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>from reheated softened tubes, rods, fibres or filaments </text><CPC-specific-text><text>, e.g. drawing fibres from preforms </text><reference><text>draw-down of tubes, rods or preforms to reduced diameter preforms <class-ref scheme="cpc">C03B37/0124</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0253" definition-exists="false" ipc-concordant="C03B37/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0253</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating </text><reference><text>for glass fibre manufacture in general <class-ref scheme="cpc">C03B37/07</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/0256" definition-exists="false" ipc-concordant="C03B37/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0256</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drawing hollow fibres </text><reference><text><class-ref scheme="cpc">C03B37/02781</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/026" definition-exists="false" ipc-concordant="C03B37/026" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing fibres reinforced with a metal wire </text><CPC-specific-text><text>or with other non-glass material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/027" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres composed of different sorts of glass, </text><CPC-specific-text><text>e.g. glass optical fibres</text></CPC-specific-text><reference><text><class-ref scheme="cpc">C03B37/0253</class-ref>, <class-ref scheme="cpc">C03B37/028</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02709" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02709</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polarisation maintaining fibres, e.g. PM, PANDA, bi-refringent optical fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02718" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02718</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal treatment of the fibre during the drawing process, e.g. cooling </text><reference><text>coating <class-ref scheme="cpc">C03C25/10</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03B37/02727" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02727</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Annealing or re-heating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02736" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02736</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding </text><reference><text>uniting rods or tubes <class-ref scheme="cpc">C03B23/207</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02745" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02745</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fibres having rotational spin around the central longitudinal axis, e.g. alternating +/- spin to reduce polarisation mode dispersion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02754" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02754</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solid fibres drawn from hollow preforms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02763" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02763</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fibres having axial variations, e.g. axially varying diameter, material or optical properties </text><reference><text>rotational spin <class-ref scheme="cpc">C03B37/02745</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02772" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02772</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>shaping the preform lower end or bulb, e.g. pre-gobbing, controlling draw bulb shape, or preform draw start-up procedures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/02781" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/02781</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow fibres, e.g. holey fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03B37/0279" definition-exists="false" ipc-concordant="C03B37/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B37/0279</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>Photonic crystal fibres or microstructured optical fibres other than holey optical fibres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/028" definition-exists="false" ipc-concordant="C03B37/028" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/028</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Drawing fibre bundles, e.g. for making fibre bundles of multifibres </text><CPC-specific-text><text>, image fibres; </text><reference><text>drawing multicore or photonic crystal fibres <class-ref scheme="cpc">C03B37/027</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/029" definition-exists="false" ipc-concordant="C03B37/029" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Furnaces therefor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/03" definition-exists="false" ipc-concordant="C03B37/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/03</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Drawing means, e.g. drawing drums </text><CPC-specific-text><text>; Traction or tensioning devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/032" definition-exists="false" ipc-concordant="C03B37/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for glass optical fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/035" definition-exists="false" ipc-concordant="C03B37/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having means for deflecting or stripping-off fibres </text><CPC-specific-text><text>or for removing defective parts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/04" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by using centrifugal force </text><CPC-specific-text><text>, e.g. spinning through radial orifices; Construction of the spinner cups therefor </text><reference><text>bonder application <class-ref scheme="cpc">C03C25/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/041" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transferring molten glass to the spinner</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/042" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>starting from tubes, rods, fibres or filaments</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/044" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for producing fibres of at least two distinct glass compositions, e.g. bi-component fibres </text><reference><text>conjugated artificial filaments or the like, e.g. with glass fibres, <class-ref scheme="cpc">D01F8/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/045" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of the spinner cups</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/047" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection of materials for the spinner cups</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/048" definition-exists="false" ipc-concordant="C03B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for attenuating the spun fibres, e.g. blowers for spinner cups</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/05" definition-exists="false" ipc-concordant="C03B37/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by projecting </text><CPC-specific-text><text>molten glass</text></CPC-specific-text><text> on a rotating body having no radial orifices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03B37/055" definition-exists="false" ipc-concordant="C03B37/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by projecting onto and spinning off the outer surface of the rotating body</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/06" definition-exists="false" ipc-concordant="C03B37/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by blasting or blowing molten glass, e.g. for making staple fibres</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/065" definition-exists="false" ipc-concordant="C03B37/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>starting from tubes, rods, fibres or filaments</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B37/07" definition-exists="false" ipc-concordant="C03B37/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating </text><reference><CPC-specific-text><text><class-ref scheme="cpc">C03B37/0253</class-ref> takes precedence </text></CPC-specific-text><text> ; controlling or regulating in general <class-ref scheme="cpc">G05</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B37/075" definition-exists="false" ipc-concordant="C03B37/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture of </text><CPC-specific-text><text>non-optical</text></CPC-specific-text><text> fibres or filaments consisting of different sorts of glass or characterised by shape, e.g. undulated fibres </text><reference><text><class-ref scheme="cpc">C03B37/022</class-ref>, <class-ref scheme="cpc">C03B37/027</class-ref>, <class-ref scheme="cpc">C03B37/028</class-ref> take precedence; light guides <class-ref scheme="cpc">G02B6/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/0753" definition-exists="false" ipc-concordant="C03B37/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0753</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of different sorts of glass, e.g. bi-component fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/0756" definition-exists="false" ipc-concordant="C03B37/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0756</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow fibres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B37/08" definition-exists="false" ipc-concordant="C03B37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Bushings </text><CPC-specific-text><text>, e.g. construction, bushing reinforcement means</text></CPC-specific-text></title-part><title-part><text>Spinnerettes</text></title-part><title-part><text>Nozzles</text></title-part><title-part><text>Nozzle plates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/0805" definition-exists="false" ipc-concordant="C03B37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/0805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing, repairing, or other treatment of bushings, nozzles or bushing nozzle plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/081" definition-exists="false" ipc-concordant="C03B37/081" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indirect-melting bushings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/083" definition-exists="false" ipc-concordant="C03B37/083" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nozzles</text></title-part><title-part><text>Bushing nozzle plates </text><reference><text><class-ref scheme="cpc">C03B37/095</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/085" definition-exists="false" ipc-concordant="C03B37/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeding devices therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/09" definition-exists="false" ipc-concordant="C03B37/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electrically heated</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/091" definition-exists="false" ipc-concordant="C03B37/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/091</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Indirect-resistance heating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/092" definition-exists="false" ipc-concordant="C03B37/092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direct-resistance heating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/095" definition-exists="false" ipc-concordant="C03B37/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of materials therefor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B37/10" definition-exists="false" ipc-concordant="C03B37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>C03B37/10</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Non-chemical treatment </text><reference><text>surface treatment of fibres or filaments made from glass, minerals or slags <class-ref scheme="cpc">C03C25/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/12" definition-exists="false" ipc-concordant="C03B37/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of fibres or filaments during winding up</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/14" definition-exists="false" ipc-concordant="C03B37/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Re-forming fibres or filaments, </text><CPC-specific-text><text>i.e. changing their shape</text></CPC-specific-text><reference><text><class-ref scheme="cpc">C03B37/025</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03B37/15" definition-exists="false" ipc-concordant="C03B37/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B37/15</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with heat application, e.g. for making optical fibres </text><reference><text>fusion-splicing of light guides <class-ref scheme="cpc">G02B6/255</class-ref>; treatment of light guides to shape optical elements </text><CPC-specific-text><text><class-ref scheme="cpc">G02B6/2835</class-ref>, <class-ref scheme="cpc">G02B6/2856</class-ref></text></CPC-specific-text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B37/16" definition-exists="false" ipc-concordant="C03B37/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B37/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting or severing </text><reference><text>light guides <class-ref scheme="cpc">G02B6/25</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03B40/00" definition-exists="true" ipc-concordant="C03B40/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03B40/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Preventing adhesion between glass and glass or between glass and the means used to shape it </text><CPC-specific-text><text>, hold it or support it</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B40/005" definition-exists="false" ipc-concordant="C03B40/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B40/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fabrics, felts or loose covers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B40/02" definition-exists="false" ipc-concordant="C03B40/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B40/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by lubrication</text></title-part><title-part><text>Use of materials as release or lubricating compositions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B40/027" definition-exists="false" ipc-concordant="C03B40/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B40/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for applying lubricants to glass shaping moulds or tools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03B40/033" definition-exists="false" ipc-concordant="C03B40/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B40/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for preventing adhesion between glass and glass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03B40/04" definition-exists="false" ipc-concordant="C03B40/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B40/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="C03B201/00" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B201/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type of glass produced</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B201/01" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antique glass imitations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B201/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pure silica glass, e.g. pure fused quartz</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Impurity concentration specified</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydroxyl ion (OH)</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B201/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Doped silica-based glasses</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Impurity concentration specified</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/075" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydroxyl ion (OH)</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with boron or fluorine or other refractive index decreasing dopant</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with boron </text><reference><text><class-ref scheme="cpc">C03B2201/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with fluorine </text><reference><text><class-ref scheme="cpc">C03B2201/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with boron and fluorine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with non-metals other than boron or fluorine</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with molecular hydrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with deuterium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/23" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with hydroxyl groups</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with nitrogen, e.g. silicon oxy-nitride glasses</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Codes <class-ref scheme="cpc">C03B2201/28</class-ref>, <class-ref scheme="cpc">C03B2201/31</class-ref> and <class-ref scheme="cpc">C03B2201/32</class-ref> for the common dopants P, Ge and Al respectively, are only used for features specific to such dopants and not for general cases, such as for increasing the refractive index of silica glass. </note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with phosphorus</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with metals, e.g. Ga, Sn, Sb, Pb or Bi</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with germanium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with aluminium </text><reference><text><class-ref scheme="cpc">C03B2201/36</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B201/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with rare earth metals and aluminium, e.g. Er-Al co-doped</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B201/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with titanium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with alkali metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with beryllium, magnesium or alkaline earth metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/58" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>doped with metals in non-oxide form, e.g. CdSe</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B201/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silica-free oxide glasses</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/78" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing germanium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B201/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-oxide glasses or glass-type compositions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/82" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluoride glasses, e.g. ZBLAN glass</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B201/83" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/83</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ionic or single crystal type, e.g. NaF, LiF, CaF<sub>2</sub></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/84" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halide glasses other than fluoride glasses, i.e. Cl, Br or I glasses, e.g. AgCl-AgBr &quot;glass&quot;</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/86" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chalcogenide glasses, i.e. S, Se or Te glasses</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B201/88" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2201/88</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chalcohalide glasses, i.e. containing one or more of S, Se, Te and one or more of F, Cl, Br, I</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B203/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre product details, e.g. structure, shape</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>External structure or shape details</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polygonal outer cross-section, e.g. triangular, square</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axial perturbations, e.g. twist, by torsion, undulating, crimped</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Internal structure or shape details</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-circular or non-elliptical cross-section, e.g. planar core</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hollow core</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axial perturbations, e.g. in refractive index or composition</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/19" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alternating positive/negative spins or twists</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>helical</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radial profile of refractive index, composition or softening point</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/222" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mismatching viscosities or softening points of glass layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/223" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Matching viscosities or softening points of glass layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/224" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mismatching coefficients of thermal expansion [CTE] of glass layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/225" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Matching coefficients of thermal expansion [CTE] of glass layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/23" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Double or multiple optical cladding profiles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single mode [SM or monomode]</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parabolic or graded index [GRIN] core profile</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Large core fibres, e.g. with a core diameter greater than 60 micrometers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B203/29" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Segmented core fibres</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, &quot;PANDA&quot; type fibres</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-circular core cross-sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B203/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by use of stress-imparting rods, e.g. by insertion</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Eccentric core or cladding</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plural core other than bundles, e.g. double core</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multifibres or fibre bundles, e.g. for making image fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B203/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2203/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical fibres</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B205/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre drawing or extruding details</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Upward drawing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-vertical drawing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotating the fibre fibre about its longitudinal axis</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotating the preform about its longitudinal axis</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sub-atmospheric pressure applied, e.g. vacuum</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to the outside of the preform or fibre</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pressurised</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing solid optical fibre directly from a hollow preform</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from a hollow glass tube containing glass-forming material in particulate form, e.g. to form the core by melting the powder during drawing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising collapse of an outer tube onto an inner central solid preform rod</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the drawn fibre consisting of circularly symmetric core and clad</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Irradiation of the base fibre during drawing to modify waveguide properties</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for continuous drawing from a preform</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B2205/32</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Simultaneous drawing of multiple preforms to separate multiple fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Monitoring or regulating the draw tension or draw rate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drawing at high speed, i.e. &gt; 10 m/s</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Monotoring or regulating the preform feed rate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/45" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Monotoring or regulating the preform neck-down region with respect to position or shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Monotoring or regulating the preform position with respect to the draw axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/47" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shaping the preform draw bulb before or during drawing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/51" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/51</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using liquified or cryogenic gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/52" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by direct contact with liquid coolant, e.g. as spray, mist</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/53" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/53</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by passage through liquid coolant bath</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment to remove coolant attached to cooled fibre</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/55" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/55</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling or annealing the drawn fibre prior to coating using a series of coolers or heaters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/56" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Annealing or re-heating the drawn fibre prior to coating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/57" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/57</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recovering, recycling or purifying the coolant, e.g. helium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B205/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Optical fibre draw furnaces</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/61" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/61</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recovering, recycling or purifying the inert gas, e.g. helium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating means for drawing</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/63" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/63</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ohmic resistance heaters, e.g. carbon or graphite resistance heaters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/64" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Induction furnaces, i.e. HF/RF coil, e.g. of the graphite or zirconia susceptor type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/66" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Microwave or similar electromagnetic wave heating, e.g. resonant cavity type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/67" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/67</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Laser heating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/68" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hot gas, e.g. plasma, flame, burner</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/69" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/69</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary thermal treatment immediately prior to drawing, e.g. pre-heaters, laser-assisted resistance heaters</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Draw furnace insulation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/72" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or measuring the draw furnace temperature</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/74" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for moving at least a part of the draw furnace, e.g. by rotation or vertical or horizontal movement</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for sealing the preform entry or upper end of the furnace</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/81" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/81</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/82" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for sealing the fibre exit or lower end of the furnace</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/83" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/83</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B205/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/91" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/91</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by controlling the furnace gas flow rate into or out of the furnace</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/92" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/92</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using means for gradually reducing the cross-section towards the outlet or around the preform draw end, e.g. tapered</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/96" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/96</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using tangential feed approximately perpendicular to the draw axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B205/98" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2205/98</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using annular gas inlet distributors</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B207/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass deposition burners</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elongated flat flame or slit-nozzle type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-nested ports</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Concentric circular ports</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recessed or protruding ports</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Split ports</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nozzle or orifice plates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tapered or flared nozzles or ports angled to central burner axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-circular ports, e.g. square or oval</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Eccentric ports</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific substances in specified ports, e.g. all gas flows specified</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inert gas details</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple flame type, e.g. double-concentric flame</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple ports for glass precursor</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B207/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for different glass precursors, reactants or modifiers</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>For glass precursor of non-standard type, e.g. solid SiH<sub>3</sub>F</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-halide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid, e.g. mist or aerosol</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel or oxidant details, e.g. flow rate, flow rate ratio, fuel additives</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/38" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/38</classification-symbol><class-title date-revised="2015-12-01"><title-part><text>Fuel combinations or non-standard fuels, e.g. H<sub>2</sub>+CH<sub>4</sub>, ethane</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical flame shields</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Assembly details</text></title-part><title-part><text>Material or dimensions of burner</text></title-part><title-part><text>Manifolds or supports</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Comprising performance enhancing means, e.g. electrostatic charge or built-in heater</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple burner arrangements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/52" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear array of like burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combined with means for heating the deposit, e.g. non-deposition burner</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Relationship between burner and deposit, e.g. position</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Distance</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/64" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Angle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/66" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Relative motion</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control measures</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B207/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeding the burner or the burner-heated deposition site</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/81" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/81</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructional details of the feed line, e.g. heating, insulation, material, manifolds, filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/85" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/85</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vapour generated from liquid glass precursors, e.g. directly by heating the liquid</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B207/86" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bubbling a gas through the liquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B207/87" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/87</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the temperature</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B207/88" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/88</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B207/89" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2207/89</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the liquid level in or supply to the tank</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B207/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C03B2207/90</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>with vapour generated from solid glass precursors, i.e. by sublimation</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B211/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating processes for glass melting in glass melting furnaces</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B211/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Submerged gas heating</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B211/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by direct combustion in the melt</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B211/23" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using oxygen, i.e. pure oxygen or oxygen-enriched air</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B211/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by direct contact of non-combusting hot gas in the melt</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B211/25" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by indirect heating, e.g. with heat pipes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B211/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>introducing oxygen into the glass melting furnace separately from the fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B211/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using oxy-fuel burners</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B211/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>oxy-fuel burner construction</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B211/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>flat-flame</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B211/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Skull melting, i.e. melting or refining in cooled wall crucibles or within solidified glass crust, e.g. in continuous walled vessels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B211/71" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2211/71</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>within segmented wall vessels where the molten glass solidifies between and seals the gaps between wall segments</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B215/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Press-moulding glass</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Press-mould materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>defined by material properties or parameters, e.g. relative CTE of mould parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Press-mould die materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals or alloys</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ceramic or cermets</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coated press-mould dies</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Die base materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ceramics or cermets, e.g. cemented WC, Al<sub>2</sub>O<sub>3</sub> or TiC</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Die top coat materials, e.g. materials for the glass-contacting layers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals or alloys, e.g. Ni-P, Ni-B, amorphous metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C03B215/17" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C03B2215/17</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>comprising one or more of the noble meals, i.e. Ag, Au, platinum group metals</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxide ceramics</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-oxide ceramics </text><reference><text>carbon <class-ref scheme="cpc">C03B2215/24</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon, e.g. diamond, graphite, amorphous carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C03B2215/26</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Mixtures of materials covered by more than one of the groups <class-ref scheme="cpc">C03B2215/16</class-ref>&#160;-&#160;<class-ref scheme="cpc">C03B2215/24</class-ref>, e.g. C-SiC, Cr-Cr<sub>2</sub>O<sub>3</sub>, SIALON</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intermediate layers, e.g. graded zone of base/top material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two or more distinct intermediate layers or zones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of metallic or silicon material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of ceramic or cermet material, e.g. diamond-like carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03B215/38" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixed or graded material layers or zones</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Product characteristics</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/404" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Products with identification marks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/406" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Products comprising at least two different glasses</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/41" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Profiled surfaces</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/412" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/412</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fine structured, e.g. fresnel lenses, prismatic reflectors, other sharp-edged surface profiles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/413" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/413</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>optical fibre alignment, fixing or connecting members having V-grooves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/414" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/414</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrays of products, e.g. lenses</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flat, parallel-faced disc or plate products</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/45" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ring or doughnut disc products or their preforms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lenses, e.g. bi-convex</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/47" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bi-concave</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Convex-concave</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/49" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/49</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Complex forms not covered by groups <class-ref scheme="cpc">C03B2215/47</class-ref> or <class-ref scheme="cpc">C03B2215/48</class-ref></text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural details of the press-mould assembly</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aligning press die axes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/61" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/61</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Positioning the glass to be pressed with respect to the press dies or press axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vibration-assisted pressing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/63" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/63</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressing between porous dies supplied with gas, i.e. contactless pressing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/64" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spinning, centrifuging or using g-force to distribute the glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/65" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for releasing gas trapped between glass and press die</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/66" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for providing special atmospheres, e.g. reduced pressure, inert gas, reducing gas, clean room</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/67" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/67</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressing between dies rotating about the press axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/68" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for parting the die from the pressed glass other than by cooling or use of a take-out</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/69" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/69</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the pressure applied to the glass via the dies</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Horizontal or inclined press axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/71" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/71</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injecting molten glass into the mould cavity</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/72" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Barrel presses or equivalent, e.g. of the ring mould type</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/73" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/73</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means to allow glass overflow in a direction perpendicular to the press axis</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03B215/74" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means to trim off excess material</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/76" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/77" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/77</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means to trim off excess material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/78" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressing together along two or more perpendicular axes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/79" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C03B2215/79</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Uniting product and product holder during pressing, e.g. lens and lens holder</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simultaneous pressing of multiple products</text></title-part><title-part><text>Multiple parallel moulds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B215/86" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear series of multiple press moulds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03B215/87" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2215/87</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with change of transportation direction in the horizontal plane, e.g. rectangular or &quot;U&quot; shape serial transport</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03B225/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2225/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transporting hot glass sheets during their manufacture</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03B225/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03B2225/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for positioning, aligning or orientating the sheets during their travel, e.g. stops</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>