ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-B21B.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="B21B" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B21B</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ROLLING OF METAL </text><reference><text>auxiliary operations used in connection with metal-working operations covered in <class-ref scheme="cpc">B21</class-ref>, <u>see</u> <class-ref scheme="cpc">B21C</class-ref>; bending by rolling <class-ref scheme="cpc">B21D</class-ref>; manufacture of particular objects, e.g. screws, wheels, rings, barrels, balls, by rolling <class-ref scheme="cpc">B21H</class-ref>; pressure welding by means of a rolling mill <class-ref scheme="cpc">B23K20/04</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the following terms or expressions are used with the meanings indicated:<subnote type="bullet"><note-paragraph>&quot;rolling&quot; means rolling operations in which plastic deformations occur;</note-paragraph><note-paragraph>&quot;continuous process&quot; means a process employing a mill train designed to have the workpiece enter one pair of rolls before leaving the preceding pair.</note-paragraph></subnote></note-paragraph></note><note type="warning"><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="B21B1/00" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B1/00" definition-exists="true" ipc-concordant="B21B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21B1/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section </text><reference><text><class-ref scheme="cpc">B21B17/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B21B23/00</class-ref> take precedence; with respect to composition of material to be rolled <class-ref scheme="cpc">B21B3/00</class-ref>; extending closed shapes of metal bands by simultaneous rolling at two or more zones <class-ref scheme="cpc">B21B5/00</class-ref>; metal-rolling stands as units <class-ref scheme="cpc">B21B13/00</class-ref>; continuous casting into moulds having walls formed by moving rolls <class-ref scheme="cpc">B22D11/06</class-ref></text></reference></title-part><title-part><text>Sequence of operations in milling trains</text></title-part><title-part><text>Layout of rolling-mill plant, e.g. grouping of stands</text></title-part><title-part><text>Succession of passes or of sectional pass alternations</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B1/02" definition-exists="false" ipc-concordant="B21B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B1/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for rolling heavy work, e.g. ingots, slabs </text><CPC-specific-text><text>, blooms</text></CPC-specific-text><text> billets, in which the cross-sectional form is unimportant </text><CPC-specific-text><text>Rolling combined with forging or pressing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/022" definition-exists="false" ipc-concordant="B21B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2001/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Blooms or billets</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="B21B1/024" definition-exists="false" ipc-concordant="B21B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Forging or pressing </text><reference><text>forging or pressing devices as units <class-ref scheme="cpc">B21B15/0035</class-ref></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="B21B1/026" definition-exists="false" ipc-concordant="B21B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/028" definition-exists="false" ipc-concordant="B21B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2001/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Slabs</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="B21B1/04" definition-exists="false" ipc-concordant="B21B1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/06" definition-exists="false" ipc-concordant="B21B1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B1/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in a non-continuous process </text><CPC-specific-text><text>, e.g. triplet mill, reversing mill</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="B21B1/08" definition-exists="false" ipc-concordant="B21B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling </text><CPC-specific-text><text>structural sections, i.e.</text></CPC-specific-text><text> work of special cross-section, e.g. angle steel </text><reference><text>rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects <class-ref scheme="cpc">B21H8/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/0805" definition-exists="false" ipc-concordant="B21B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/0805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flat bars, i.e. having a substantially rectangular cross-section</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/081" definition-exists="false" ipc-concordant="B21B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2001/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Roughening or texturing surfaces of structural sections, bars, rounds, wire rods</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="B21B1/0815" definition-exists="false" ipc-concordant="B21B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/0815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from flat-rolled products, e.g. by longitudinal shearing</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="B21B1/082" definition-exists="false" ipc-concordant="B21B1/082" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Piling sections having lateral edges specially adapted for interlocking with each other in order to build a wall</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/085" definition-exists="false" ipc-concordant="B21B1/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rail sections</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B1/0855" definition-exists="false" ipc-concordant="B21B1/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/0855</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rerolling or processing worn or discarded rail sections</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="B21B1/088" definition-exists="false" ipc-concordant="B21B1/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>H- or I-sections</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B1/0883" definition-exists="false" ipc-concordant="B21B1/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/0883</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using forging or pressing devices</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="B21B1/0886" definition-exists="false" ipc-concordant="B21B1/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/0886</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using variable-width rolls</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="B21B1/09" definition-exists="false" ipc-concordant="B21B1/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>L-sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/092" definition-exists="false" ipc-concordant="B21B1/092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>T-sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/095" definition-exists="false" ipc-concordant="B21B1/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>U-or channel sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/098" definition-exists="false" ipc-concordant="B21B1/098" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B21B1/098</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Z-sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/10" definition-exists="false" ipc-concordant="B21B1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21B1/10</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>in a single two-high or universal rolling mill </text><CPC-specific-text><text>stand </text><reference><text><class-ref scheme="cpc">B21B1/085</class-ref>&#160;-&#160;<class-ref scheme="cpc">B21B1/098</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="B21B1/12" definition-exists="false" ipc-concordant="B21B1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B1/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in a continuous process </text><CPC-specific-text><text>, i.e. without reversing stands </text><reference><text><class-ref scheme="cpc">B21B1/085</class-ref>&#160;-&#160;<class-ref scheme="cpc">B21B1/098</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="B21B1/14" definition-exists="false" ipc-concordant="B21B1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B1/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in a non-continuous process </text><CPC-specific-text><text>, i.e. at least one reversing stand </text><reference><text><class-ref scheme="cpc">B21B1/085</class-ref>&#160;-&#160;<class-ref scheme="cpc">B21B1/098</class-ref> take precedence</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="B21B1/16" definition-exists="false" ipc-concordant="B21B1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling </text><CPC-specific-text><text>wire rods, bars, merchant bars, rounds</text></CPC-specific-text><text> wire or material of like small cross-section</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/163" definition-exists="false" ipc-concordant="B21B1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling or cold-forming of concrete reinforcement bars or wire </text><reference><text>reinforcement bars <u>per se</u> <class-ref scheme="cpc">E04C5/03</class-ref></text></reference><text>; Rolls 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="B21B1/166" definition-exists="false" ipc-concordant="B21B1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling wire into sections or flat ribbons</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="B21B1/18" definition-exists="false" ipc-concordant="B21B1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/20" definition-exists="false" ipc-concordant="B21B1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a non-continuous process,(e.g. skew rolling, i.e. planetary cross rolling)</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B1/22" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling </text><CPC-specific-text><text>plates, strips,</text></CPC-specific-text><text> bands or sheets of indefinite length </text><reference><text><class-ref scheme="cpc">B21B1/42</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/221" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2001/221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by cold-rolling</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="B21B1/222" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a rolling-drawing process; in a multi-pass mill</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="B21B1/224" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Edge rolling of flat products</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/225" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2001/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by hot-rolling</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="B21B1/227" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Surface roughening or texturing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/228" definition-exists="false" ipc-concordant="B21B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2001/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>skin pass rolling or temper rolling</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="B21B1/24" definition-exists="false" ipc-concordant="B21B1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous </text><CPC-specific-text><text>or semi-continuous</text></CPC-specific-text><text> process </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21B1/224</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="B21B1/26" definition-exists="false" ipc-concordant="B21B1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B1/26</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by hot-rolling </text><CPC-specific-text><text>, e.g. Steckel hot mill</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B1/265" definition-exists="false" ipc-concordant="B21B1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and by compressing or pushing the material in rolling direction</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="B21B1/28" definition-exists="false" ipc-concordant="B21B1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B1/28</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by cold-rolling </text><CPC-specific-text><text>, e.g. Steckel cold mill</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="B21B1/30" definition-exists="false" ipc-concordant="B21B1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a non-continuous process </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21B1/224</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="B21B1/32" definition-exists="false" ipc-concordant="B21B1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in reversing </text><CPC-specific-text><text>single stand</text></CPC-specific-text><text> mills, e.g. with intermediate storage reels for accumulating work</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B1/34" definition-exists="false" ipc-concordant="B21B1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by hot-rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B1/36" definition-exists="false" ipc-concordant="B21B1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cold-rolling</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="B21B1/38" definition-exists="false" ipc-concordant="B21B1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, </text><CPC-specific-text><text>pack rolling</text></CPC-specific-text><reference><text><class-ref scheme="cpc">B21B1/40</class-ref> takes precedence; folding sheets before, or separating layers after, rolling <class-ref scheme="cpc">B21B47/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/383" definition-exists="false" ipc-concordant="B21B1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-12-03" status="published"><classification-symbol>B21B2001/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cladded or coated products</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B1/386" definition-exists="false" ipc-concordant="B21B1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-12-03" status="published"><classification-symbol>B21B2001/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plates</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="B21B1/40" definition-exists="false" ipc-concordant="B21B1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling foils which present special problems, e.g. because of thinness</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B1/42" definition-exists="false" ipc-concordant="B21B1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for step-by-step or planetary rolling </text><reference><text>making tubes by pilgrim-step rolling <class-ref scheme="cpc">B21B21/00</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="B21B1/46" definition-exists="false" ipc-concordant="B21B1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling metal immediately subsequent to continuous casting </text><reference><text>metal-rolling stands <class-ref scheme="cpc">B21B13/22</class-ref>; continuous casting <class-ref scheme="cpc">B22D11/00</class-ref>, e.g. into moulds with rolls <class-ref scheme="cpc">B22D11/06</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B1/463" definition-exists="false" ipc-concordant="B21B1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a continuous process, i.e. the cast not being cut before rolling</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="B21B1/466" definition-exists="false" ipc-concordant="B21B1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B1/466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a non-continuous process, i.e. the cast being cut before rolling</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="B21B3/00" definition-exists="true" ipc-concordant="B21B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences </text><CPC-specific-text><text>Rolling of aluminium, copper, zinc or other non-ferrous metals</text></CPC-specific-text><reference><text>altering special metallurgical properties of alloys, other than structure consolidation or mechanical properties resulting therefrom <class-ref scheme="cpc">C21D</class-ref>, <class-ref scheme="cpc">C22F</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B3/001" definition-exists="false" ipc-concordant="B21B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2003/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminium or its alloys</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="B21B3/003" definition-exists="false" ipc-concordant="B21B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B3/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling non-ferrous metals immediately subsequent to continuous casting, i.e. in-line rolling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B3/005" definition-exists="false" ipc-concordant="B21B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2003/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Copper or its alloys</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B3/006" definition-exists="false" ipc-concordant="B21B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2003/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Powder metal alloys</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B3/008" definition-exists="false" ipc-concordant="B21B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2003/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Zinc or its alloys</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="B21B3/02" definition-exists="false" ipc-concordant="B21B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B3/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling special iron alloys </text><CPC-specific-text><text>, e.g. stainless steel</text></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="B21B5/00" definition-exists="true" ipc-concordant="B21B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Extending closed shapes of metal bands by rolling </text><reference><text>manufacture of circular shapes, e.g. wheel rims, <class-ref scheme="cpc">B21H1/06</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B9/00" definition-exists="true" ipc-concordant="B21B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work</text></title-part><title-part><text>Special measures for removing fumes from rolling mills</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B11/00" definition-exists="true" ipc-concordant="B21B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Subsidising the rolling process by subjecting rollers or work to vibrations, </text><CPC-specific-text><text>e.g. ultrasonic vibrations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B13/00" definition-exists="true" ipc-concordant="B21B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21B13/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories </text><reference><text><class-ref scheme="cpc">B21B17/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B21B23/00</class-ref> take precedence; details, component parts, accessories, auxiliary means, procedures in connection with metal rolling, <u>see</u> the relevant groups</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B13/001" definition-exists="false" ipc-concordant="B21B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Convertible or tiltable stands, e.g. from duo to universal stands, from horizontal to vertical stands</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B13/003" definition-exists="false" ipc-concordant="B21B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inactive rolling stands</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="B21B13/005" definition-exists="false" ipc-concordant="B21B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cantilevered roll stands</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B13/006" definition-exists="false" ipc-concordant="B21B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple strand rolling mills; Mill stands with multiple caliber rolls</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="B21B13/008" definition-exists="false" ipc-concordant="B21B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Skew rolling stands, e.g. for rolling rounds</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="B21B13/02" definition-exists="false" ipc-concordant="B21B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with axes of rolls arranged horizontally</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B13/021" definition-exists="false" ipc-concordant="B21B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Twin mills</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="B21B13/023" definition-exists="false" ipc-concordant="B21B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B13/025" definition-exists="false" ipc-concordant="B21B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quarto, four-high stands</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B13/026" definition-exists="false" ipc-concordant="B21B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quinto, five high-stands</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B13/028" definition-exists="false" ipc-concordant="B21B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sixto, six-high stands</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="B21B13/04" definition-exists="false" ipc-concordant="B21B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Three-high arrangement</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B13/06" definition-exists="false" ipc-concordant="B21B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B13/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with axes of rolls arranged vertically </text><CPC-specific-text><text>, e.g. edgers</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="B21B13/08" definition-exists="false" ipc-concordant="B21B13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with differently-directed roll axes, e.g. for the so-called &quot;universal&quot; rolling process</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B13/10" definition-exists="false" ipc-concordant="B21B13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>all axes being arranged in one plane</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B13/103" definition-exists="false" ipc-concordant="B21B13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for rolling bars, rods or wire</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B13/106" definition-exists="false" ipc-concordant="B21B13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2013/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for sections, e.g. beams, rails</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="B21B13/12" definition-exists="false" ipc-concordant="B21B13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>axes being arranged in different planes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B13/14" definition-exists="false" ipc-concordant="B21B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having counter-pressure devices acting on rolls to inhibit deflection of same under load; </text><CPC-specific-text><text>Back-up rolls</text></CPC-specific-text><reference><text>counter-pressure devices as such <class-ref scheme="cpc">B21B29/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B13/142" definition-exists="false" ipc-concordant="B21B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC</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="B21B13/145" definition-exists="false" ipc-concordant="B21B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lateral support devices for rolls acting mainly in a direction parallel to the movement of the product</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="B21B13/147" definition-exists="false" ipc-concordant="B21B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cluster mills, e.g. Sendzimir mills, Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls</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="B21B13/16" definition-exists="false" ipc-concordant="B21B13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B13/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with alternatively operative rolls </text><CPC-specific-text><text>, e.g. revolver stands, turret mills</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="B21B13/18" definition-exists="false" ipc-concordant="B21B13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for step-by-step or planetary rolling; </text><CPC-specific-text><text>pendulum mills</text></CPC-specific-text><reference><text>methods <class-ref scheme="cpc">B21B1/42</class-ref>; making tubes by pilgrim-step rolling <class-ref scheme="cpc">B21B21/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B13/20" definition-exists="false" ipc-concordant="B21B13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for planetary rolling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B13/22" definition-exists="false" ipc-concordant="B21B13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B13/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling metal immediately subsequent to continuous casting, </text><CPC-specific-text><text>i.e. in-line rolling of steel</text></CPC-specific-text><reference><text>methods therefor <class-ref scheme="cpc">B21B1/46</class-ref>; continuous casting <class-ref scheme="cpc">B22D11/00</class-ref>, e.g. into moulds with rolls <class-ref scheme="cpc">B22D11/06</class-ref></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="B21B15/00" definition-exists="true" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B15/0007" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cutting or shearing the product</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B15/0014" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>transversely to the rolling direction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B15/0021" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the rolling direction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B15/0028" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drawing the rolled product</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="B21B15/0035" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Forging or pressing devices as units</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B15/0042" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tool changers</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="B21B15/005" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lubricating, cooling or heating means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B15/0057" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coiling the rolled product</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B15/0064" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Uncoiling the rolled product</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B15/0071" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Levelling the rolled product</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B15/0078" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Extruding the rolled product</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="B21B15/0085" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Joining ends of material to continuous strip, bar or sheet</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B15/0092" definition-exists="false" ipc-concordant="B21B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2015/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Welding in the rolling direction</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="B21B15/02" definition-exists="false" ipc-concordant="B21B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which work is subjected to permanent internal twisting, e.g. for producing reinforcement bars for concrete</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="B21B17/00" date-revised="2013-01-01" status="published"><classification-symbol>B21B17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling methods or mills specially designed for making or processing tubes </text><reference><text>control of tube rolling <class-ref scheme="cpc">B21B37/78</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B17/00" definition-exists="true" ipc-concordant="B21B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. &quot;axial&quot; tube-rolling</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B17/02" definition-exists="false" ipc-concordant="B21B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mandrel, </text><CPC-specific-text><text>i.e. the mandrel rod contacts the rolled tube over the rod length</text></CPC-specific-text><reference><text><class-ref scheme="cpc">B21B17/08</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="B21B17/04" definition-exists="false" ipc-concordant="B21B17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B17/06" definition-exists="false" ipc-concordant="B21B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a discontinuous process</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B17/08" definition-exists="false" ipc-concordant="B21B17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B17/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with mandrel having one or more protrusions </text><CPC-specific-text><text>, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B17/10" definition-exists="false" ipc-concordant="B21B17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a continuous process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B17/12" definition-exists="false" ipc-concordant="B21B17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B17/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in a discontinuous process </text><CPC-specific-text><text>, e.g. plug-rolling mills</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="B21B17/14" definition-exists="false" ipc-concordant="B21B17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B17/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>without mandrel </text><CPC-specific-text><text>, e.g. stretch-reducing mills</text></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="B21B19/00" definition-exists="true" ipc-concordant="B21B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work </text><reference><text>straightening by rollers <class-ref scheme="cpc">B21D</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B19/02" definition-exists="false" ipc-concordant="B21B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. &quot;cross&quot; tube-rolling </text><CPC-specific-text><text>Diescher mills, Stiefel disc piercers, Stiefel rotary piercers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B19/04" definition-exists="false" ipc-concordant="B21B19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B19/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling basic material of solid, i.e. non-hollow, structure</text></title-part><title-part><text>Piercing </text><CPC-specific-text><text>, e.g. rotary piercing mills</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="B21B19/06" definition-exists="false" ipc-concordant="B21B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling hollow basic material, </text><CPC-specific-text><text>e.g. Assel mills</text></CPC-specific-text><reference><text><class-ref scheme="cpc">B21B19/04</class-ref> takes precedence; separating work from mandrel <class-ref scheme="cpc">B21C45/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B19/08" definition-exists="false" ipc-concordant="B21B19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Enlarging tube diameter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B19/10" definition-exists="false" ipc-concordant="B21B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B19/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Finishing, e.g. smoothing, sizing </text><CPC-specific-text><text>, reeling</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="B21B19/12" definition-exists="false" ipc-concordant="B21B19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the axes of the rollers being arranged essentially parallel to the axis of the work</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B19/14" definition-exists="false" ipc-concordant="B21B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling tubes by means of additional rollers arranged inside the tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B19/16" definition-exists="false" ipc-concordant="B21B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B19/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling tubes without additional rollers arranged inside the tubes</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="B21B21/00" definition-exists="true" ipc-concordant="B21B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B21/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Pilgrim-step tube-rolling </text><CPC-specific-text><text>, i.e. pilger mills</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B21/005" definition-exists="false" ipc-concordant="B21B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B21/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with reciprocating stand, e.g. driving the stand</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="B21B21/02" definition-exists="false" ipc-concordant="B21B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rollers therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B21/04" definition-exists="false" ipc-concordant="B21B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pilgrim-step feeding mechanisms </text><reference><text><class-ref scheme="cpc">B21B21/06</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="B21B21/045" definition-exists="false" ipc-concordant="B21B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B21/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reciprocating stands</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="B21B21/06" definition-exists="false" ipc-concordant="B21B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for revolving work between the steps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B21/065" definition-exists="false" ipc-concordant="B21B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B21/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reciprocating stands</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="B21B23/00" definition-exists="true" ipc-concordant="B21B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tube-rolling not restricted to methods provided for in only one of groups <class-ref scheme="cpc">B21B17/00</class-ref>, <class-ref scheme="cpc">B21B19/00</class-ref>, <class-ref scheme="cpc">B21B21/00</class-ref>, e.g. combined processes </text><CPC-specific-text><text>planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling</text></CPC-specific-text><reference><text><class-ref scheme="cpc">B21B25/00</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B23/005" definition-exists="false" ipc-concordant="B21B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2023/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Roughening or texturig surfaces of tubes</text></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="B21B25/00" definition-exists="true" ipc-concordant="B21B25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B25/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group <class-ref scheme="cpc">B21B17/00</class-ref></text></title-part><title-part><text>Accessories or auxiliary means therefor </text><CPC-specific-text><text>; Construction of, or alloys for, mandrels or plugs</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B25/02" definition-exists="false" ipc-concordant="B21B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guides, supports, or abutments for mandrels, e.g. carriages </text><CPC-specific-text><text>or steadiers</text></CPC-specific-text></title-part><title-part><text>Adjusting devices for mandrels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B25/04" definition-exists="false" ipc-concordant="B21B25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B25/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling or lubricating mandrels during operation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B25/06" definition-exists="false" ipc-concordant="B21B25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B25/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Interchanging mandrels </text><CPC-specific-text><text>, fixing plugs on mandrel rods or cooling during interchanging mandrels </text><reference><text>separating tubes from mandrels <class-ref scheme="cpc">B21C45/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B27/00" definition-exists="true" ipc-concordant="B21B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolls, </text><CPC-specific-text><text>roll alloys or roll fabrication</text></CPC-specific-text><reference><text>shape of working surfaces required by special processes <class-ref scheme="cpc">B21B1/00</class-ref></text></reference></title-part><title-part><text>Lubricating, cooling or heating rolls while in use</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B27/005" definition-exists="false" ipc-concordant="B21B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolls with a roughened or textured surface; Methods for making same</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="B21B27/02" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape or construction of rolls </text><reference><text>for rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects <class-ref scheme="cpc">B21H8/02</class-ref> </text><CPC-specific-text><text>; <class-ref scheme="cpc">B21B27/005</class-ref> takes precedence</text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B27/021" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolls for sheets or strips</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B27/022" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2027/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolls having tapered ends</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="B21B27/024" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolls for bars, rods, rounds, tubes, wire or the like</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B27/025" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Skew rolls</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="B21B27/027" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vertical rolls</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="B21B27/028" definition-exists="false" ipc-concordant="B21B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable-width rolls</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="B21B27/03" definition-exists="false" ipc-concordant="B21B27/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sleeved rolls </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21B27/028</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="B21B27/032" definition-exists="false" ipc-concordant="B21B27/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolls for sheets or strips</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="B21B27/035" definition-exists="false" ipc-concordant="B21B27/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolls for bars, rods, rounds, tubes, wire or the like</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B27/037" definition-exists="false" ipc-concordant="B21B27/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Skew rolls</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="B21B27/05" definition-exists="false" ipc-concordant="B21B27/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with deflectable sleeves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B27/055" definition-exists="false" ipc-concordant="B21B27/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with sleeves radially deflectable on a stationary beam by means of hydraulic supports </text><reference><text>in general <class-ref scheme="cpc">F16C13/00</class-ref>; for paper-making machines <class-ref scheme="cpc">D21G1/00</class-ref>; regulating devices therefor <class-ref scheme="cpc">B21B37/36</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="8" additional-only="false" sort-key="B21B27/06" definition-exists="false" ipc-concordant="B21B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lubricating, cooling or heating rolls</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B27/08" definition-exists="false" ipc-concordant="B21B27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>internally</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B27/083" definition-exists="false" ipc-concordant="B21B27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2027/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cooling internally</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B27/086" definition-exists="false" ipc-concordant="B21B27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2027/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>heating internally</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="B21B27/10" definition-exists="false" ipc-concordant="B21B27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>externally</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B27/103" definition-exists="false" ipc-concordant="B21B27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2027/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cooling externally</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="B21B27/106" definition-exists="false" ipc-concordant="B21B27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B27/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating the rolls</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="B21B28/00" definition-exists="true" ipc-concordant="B21B28/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B28/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Maintaining rolls or rolling equipment in effective condition </text><reference><text>lubricating, cooling or heating rolls while in use <class-ref scheme="cpc">B21B27/06</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B28/02" definition-exists="false" ipc-concordant="B21B28/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B28/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Maintaining rolls in effective condition, e.g. reconditioning</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B28/04" definition-exists="false" ipc-concordant="B21B28/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B28/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>while in use, e.g. polishing </text><CPC-specific-text><text>or grinding while the rolls are in their stands</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="B21B29/00" definition-exists="true" ipc-concordant="B21B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B29/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls </text><CPC-specific-text><text>; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends </text><reference><text>control devices responsive to roll bending <class-ref scheme="cpc">B21B37/38</class-ref></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="B21B31/00" definition-exists="true" ipc-concordant="B21B31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling stand structures</text></title-part><title-part><text>Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B31/02" definition-exists="false" ipc-concordant="B21B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B31/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rolling stand frames </text><CPC-specific-text><text>or housings</text></CPC-specific-text></title-part><title-part><text>Roll mountings </text><CPC-specific-text><text>; Roll chocks</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B31/021" definition-exists="false" ipc-concordant="B21B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2031/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Integral tandem mill housings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B31/023" definition-exists="false" ipc-concordant="B21B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2031/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transverse shifting one housing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B31/025" definition-exists="false" ipc-concordant="B21B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2031/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shifting the stand in or against the rolling direction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B31/026" definition-exists="false" ipc-concordant="B21B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2031/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transverse shifting the stand</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="B21B31/028" definition-exists="false" ipc-concordant="B21B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Prestressing of rolls or roll mountings in stand frames</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="B21B31/04" definition-exists="false" ipc-concordant="B21B31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tie rods </text><CPC-specific-text><text>in frameless stands</text></CPC-specific-text><text>, e.g. prestressed tie rods</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B31/06" definition-exists="false" ipc-concordant="B21B31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fastening stands or frames to foundation, e.g. to the sole plate </text><reference><text>in general <class-ref scheme="cpc">F16M</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B31/07" definition-exists="false" ipc-concordant="B21B31/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adaptation of roll </text><CPC-specific-text><text>neck</text></CPC-specific-text><text> bearings </text><reference><text>bearings in general <class-ref scheme="cpc">F16C</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B31/072" definition-exists="false" ipc-concordant="B21B31/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2031/072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bearing materials</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="B21B31/074" definition-exists="false" ipc-concordant="B21B31/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/074</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oil film bearings, e.g. &quot;Morgoil&quot; bearings</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="B21B31/076" definition-exists="false" ipc-concordant="B21B31/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling; Lubricating roller bearings</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="B21B31/078" definition-exists="false" ipc-concordant="B21B31/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B31/078</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Sealing devices </text><reference><text>sealings in general <class-ref scheme="cpc">F16J15/00</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="B21B31/08" definition-exists="false" ipc-concordant="B21B31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B31/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Interchanging rolls, roll mountings, or stand frames </text><CPC-specific-text><text>, e.g. using C-hooks; Replacing roll chocks on roll shafts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B31/10" definition-exists="false" ipc-concordant="B21B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B31/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by horizontally displacing </text><CPC-specific-text><text>, i.e. horizontal roll changing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B31/103" definition-exists="false" ipc-concordant="B21B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manipulators or carriages therefor</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="B21B31/106" definition-exists="false" ipc-concordant="B21B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vertical displacement of rolls or roll chocks during horizontal roll changing</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="B21B31/12" definition-exists="false" ipc-concordant="B21B31/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by vertically displacing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B31/14" definition-exists="false" ipc-concordant="B21B31/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pivotally displacing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B31/16" definition-exists="false" ipc-concordant="B21B31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting </text><CPC-specific-text><text>or positioning</text></CPC-specific-text><text> rolls </text><reference><text>control devices <class-ref scheme="cpc">B21B37/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B31/18" definition-exists="false" ipc-concordant="B21B31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by moving rolls axially</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B31/185" definition-exists="false" ipc-concordant="B21B31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and by crossing rolls</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="B21B31/20" definition-exists="false" ipc-concordant="B21B31/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by moving rolls perpendicularly to roll axis</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B31/203" definition-exists="false" ipc-concordant="B21B31/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Balancing rolls</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B31/206" definition-exists="false" ipc-concordant="B21B31/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2031/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horizontal offset of work 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="B21B31/22" definition-exists="false" ipc-concordant="B21B31/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B31/22</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>mechanically </text><CPC-specific-text><text>, e.g. by thrust blocks, inserts for removal</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B31/24" definition-exists="false" ipc-concordant="B21B31/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by screws</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B31/26" definition-exists="false" ipc-concordant="B21B31/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting eccentrically-mounted roll bearings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B31/28" definition-exists="false" ipc-concordant="B21B31/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by toggle-lever mechanisms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B31/30" definition-exists="false" ipc-concordant="B21B31/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B31/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by wedges or their equivalent</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B31/32" definition-exists="false" ipc-concordant="B21B31/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B31/32</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by liquid pressure </text><CPC-specific-text><text>, e.g. hydromechanical adjusting</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="B21B33/00" definition-exists="true" ipc-concordant="B21B33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B33/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices not otherwise provided for </text><reference><text>safety devices in general <class-ref scheme="cpc">F16P</class-ref></text></reference></title-part><title-part><text>Breaker blocks</text></title-part><title-part><text>Devices for freeing jammed rolls </text><CPC-specific-text><text>for handling cobbles; Overload safety devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B33/005" definition-exists="false" ipc-concordant="B21B33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2033/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cobble-freeing</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="B21B33/02" definition-exists="false" ipc-concordant="B21B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing fracture of rolls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B35/00" definition-exists="true" ipc-concordant="B21B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B35/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Drives for metal-rolling mills </text><CPC-specific-text><text>, e.g. hydraulic drives</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B35/005" definition-exists="false" ipc-concordant="B21B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2035/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydraulic drive motors</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="B21B35/02" definition-exists="false" ipc-concordant="B21B35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for continuously-operating mills </text><reference><text><class-ref scheme="cpc">B21B35/10</class-ref>, <class-ref scheme="cpc">B21B35/12</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="B21B35/025" definition-exists="false" ipc-concordant="B21B35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for stretch-reducing of tubes</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="B21B35/04" definition-exists="false" ipc-concordant="B21B35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>each stand having its own motor or motors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B35/06" definition-exists="false" ipc-concordant="B21B35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for non-continuously-operating mills or for single stands </text><reference><text><class-ref scheme="cpc">B21B35/10</class-ref>, <class-ref scheme="cpc">B21B35/12</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="B21B35/08" definition-exists="false" ipc-concordant="B21B35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for reversing rolling mills</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B35/10" definition-exists="false" ipc-concordant="B21B35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Driving arrangements for rolls which have only a low-power drive</text></title-part><title-part><text>Driving arrangements for rolls which receive power from the shaft of another roll</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B35/103" definition-exists="false" ipc-concordant="B21B35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2035/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid-driven rolls or rollers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B35/106" definition-exists="false" ipc-concordant="B21B35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2035/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-driven or idler rolls or rollers</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="B21B35/12" definition-exists="false" ipc-concordant="B21B35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Toothed-wheel gearings specially adapted for metal-rolling mills</text></title-part><title-part><text>Housings or mountings therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B35/14" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills </text><reference><text>couplings or shafts in general <class-ref scheme="cpc">F16</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B35/141" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rigid spindle couplings, e.g. coupling boxes placed on roll necks </text><reference><text>rigid couplings in general <class-ref scheme="cpc">F16D1/00</class-ref></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="B21B35/142" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Yielding spindle couplings; Universal joints for spindles </text><reference><text>yielding couplings in general <class-ref scheme="cpc">F16D3/00</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="B21B35/143" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having slidably-interengaging teeth, e.g. gear-type couplings </text><reference><text>universal joints with the coupling parts having slidably-interengaging teeth, in general, <class-ref scheme="cpc">F16D3/18</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="B21B35/144" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wobbler couplings</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="B21B35/145" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hooke&apos;s joints or the like with each coupling part pivoted with respect to an intermediate member </text><reference><text>Hooke&apos;s joints in general <class-ref scheme="cpc">F16D3/26</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="B21B35/146" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tongue and slipper joints </text><reference><text>tongue and slipper joints in general <class-ref scheme="cpc">F16D3/265</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="9" additional-only="false" sort-key="B21B35/147" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lubrication of spindle couplings</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="B21B35/148" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B35/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spindle carriers or balancers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B35/149" definition-exists="false" ipc-concordant="B21B35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2035/149</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring devices for spindles or couplings</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="B21B37/00" definition-exists="true" ipc-concordant="B21B37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control devices or methods specially adapted for metal-rolling mills or the work produced thereby </text><reference><text>methods or devices for measuring specially adapted for metal-rolling mills <class-ref scheme="cpc">B21B38/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B37/002" definition-exists="false" ipc-concordant="B21B37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2037/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mass flow control</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="B21B37/005" definition-exists="false" ipc-concordant="B21B37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of time interval or spacing between workpieces</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="B21B37/007" definition-exists="false" ipc-concordant="B21B37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control for preventing or reducing vibration, chatter or chatter marks </text><reference><text><class-ref scheme="cpc">B21B37/66</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="B21B37/16" definition-exists="false" ipc-concordant="B21B37/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of thickness, width, diameter or other transverse dimensions </text><reference><text><class-ref scheme="cpc">B21B37/58</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="B21B37/165" definition-exists="false" ipc-concordant="B21B37/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>responsive mainly to the measured thickness of the product</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="B21B37/18" definition-exists="false" ipc-concordant="B21B37/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automatic gauge control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B37/20" definition-exists="false" ipc-concordant="B21B37/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in tandem mills</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/22" definition-exists="false" ipc-concordant="B21B37/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lateral spread control</text></title-part><title-part><text>Width control, e.g. by edge rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/24" definition-exists="false" ipc-concordant="B21B37/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automatic variation of thickness according to a predetermined programme</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B37/26" definition-exists="false" ipc-concordant="B21B37/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for obtaining one strip having successive lengths of different constant thickness</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="B21B37/28" definition-exists="false" ipc-concordant="B21B37/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of flatness or profile during rolling of strip, sheets or plates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/30" definition-exists="false" ipc-concordant="B21B37/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using roll camber control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B37/32" definition-exists="false" ipc-concordant="B21B37/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cooling, heating or lubricating the rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B37/34" definition-exists="false" ipc-concordant="B21B37/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by hydraulic expansion of the rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B37/36" definition-exists="false" ipc-concordant="B21B37/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by radial displacement of the roll sleeve on a stationary roll beam by means of hydraulic supports</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/38" definition-exists="false" ipc-concordant="B21B37/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using roll bending </text><reference><text><class-ref scheme="cpc">B21B37/42</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="B21B37/40" definition-exists="false" ipc-concordant="B21B37/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using axial shifting of the rolls </text><reference><text><class-ref scheme="cpc">B21B37/42</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="B21B37/42" definition-exists="false" ipc-concordant="B21B37/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a combination of roll bending and axial shifting of the rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/44" definition-exists="false" ipc-concordant="B21B37/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using heating, lubricating or water-spray cooling of the product</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B37/46" definition-exists="false" ipc-concordant="B21B37/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll speed or drive motor control </text><reference><text><class-ref scheme="cpc">B21B37/52</class-ref>, <class-ref scheme="cpc">B21B37/60</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="B21B37/48" definition-exists="false" ipc-concordant="B21B37/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tension control</text></title-part><title-part><text>Compression control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/50" definition-exists="false" ipc-concordant="B21B37/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by looper control</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/52" definition-exists="false" ipc-concordant="B21B37/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by drive motor control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B37/54" definition-exists="false" ipc-concordant="B21B37/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including coiler drive control, e.g. reversing mills</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="B21B37/56" definition-exists="false" ipc-concordant="B21B37/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elongation control</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B37/58" definition-exists="false" ipc-concordant="B21B37/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll-force control</text></title-part><title-part><text>Roll-gap control </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21B38/105</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="B21B37/60" definition-exists="false" ipc-concordant="B21B37/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by control of a motor which drives an adjusting screw</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/62" definition-exists="false" ipc-concordant="B21B37/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by control of a hydraulic adjusting device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/64" definition-exists="false" ipc-concordant="B21B37/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B37/66" definition-exists="false" ipc-concordant="B21B37/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll eccentricity compensation systems</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B37/68" definition-exists="false" ipc-concordant="B21B37/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Camber or steering control for strip, sheets or plates, e.g. preventing meandering</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B37/70" definition-exists="false" ipc-concordant="B21B37/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Length control </text><reference><text><class-ref scheme="cpc">B21B37/56</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="B21B37/72" definition-exists="false" ipc-concordant="B21B37/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rear end control</text></title-part><title-part><text>Front end control</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B37/74" definition-exists="false" ipc-concordant="B21B37/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature control, e.g. by cooling or heating the rolls or the product </text><reference><text><class-ref scheme="cpc">B21B37/32</class-ref>, <class-ref scheme="cpc">B21B37/44</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="B21B37/76" definition-exists="false" ipc-concordant="B21B37/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling control on the run-out table</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B37/78" definition-exists="false" ipc-concordant="B21B37/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B37/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of tube rolling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B38/00" definition-exists="true" ipc-concordant="B21B38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B38/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Methods or devices for measuring, </text><CPC-specific-text><text>detecting or monitoring</text></CPC-specific-text><text> specially adapted for metal-rolling mills, e.g. position detection, inspection of the product </text><CPC-specific-text><reference><text>control devices or methods <class-ref scheme="cpc">B21B37/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B38/002" definition-exists="false" ipc-concordant="B21B38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2038/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring axial forces of rolls</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B38/004" definition-exists="false" ipc-concordant="B21B38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2038/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring scale thickness</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="B21B38/006" definition-exists="false" ipc-concordant="B21B38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring temperature</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="B21B38/008" definition-exists="false" ipc-concordant="B21B38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Monitoring or detecting vibration, chatter or chatter marks</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="B21B38/02" definition-exists="false" ipc-concordant="B21B38/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring flatness or profile of strips</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B38/04" definition-exists="false" ipc-concordant="B21B38/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring thickness, width, diameter or other transverse dimensions of the product</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B38/06" definition-exists="false" ipc-concordant="B21B38/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring tension or compression</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B38/08" definition-exists="false" ipc-concordant="B21B38/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roll-force</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B38/10" definition-exists="false" ipc-concordant="B21B38/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roll-gap, e.g. pass indicators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B38/105" definition-exists="false" ipc-concordant="B21B38/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Calibrating or presetting roll-gap</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="B21B38/12" definition-exists="false" ipc-concordant="B21B38/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B38/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roll camber</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B39/00" definition-exists="true" ipc-concordant="B21B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills </text><reference><text>guiding, conveying, or accumulating easily-flexible work in loops or curves <class-ref scheme="cpc">B21B41/00</class-ref>; specially associated with cooling-beds <class-ref scheme="cpc">B21B43/00</class-ref>; conveying or transporting in general <class-ref scheme="cpc">B65G</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B39/002" definition-exists="false" ipc-concordant="B21B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Piling, unpiling, unscrambling</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="B21B39/004" definition-exists="false" ipc-concordant="B21B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transverse moving</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="B21B39/006" definition-exists="false" ipc-concordant="B21B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pinch roll sets</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="B21B39/008" definition-exists="false" ipc-concordant="B21B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21B39/008</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Rollers for roller conveyors </text><reference><text>roller-ways in general <class-ref scheme="cpc">B65G13/00</class-ref>, <class-ref scheme="cpc">B21B39/00</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="B21B39/02" definition-exists="false" ipc-concordant="B21B39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B39/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Feeding or supporting work</text></title-part><title-part><text>Braking or tensioning arrangements </text><CPC-specific-text><text>, e.g. threading arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/04" definition-exists="false" ipc-concordant="B21B39/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lifting or lowering work for conveying purposes, e.g. tilting tables arranged immediately in front of or behind the pass </text><reference><text>turn-over or like manipulating means as such <class-ref scheme="cpc">B21B39/20</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="B21B39/06" definition-exists="false" ipc-concordant="B21B39/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pushing or forcing work into pass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/08" definition-exists="false" ipc-concordant="B21B39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Braking or tensioning arrangements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B39/082" definition-exists="false" ipc-concordant="B21B39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bridle devices</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="B21B39/084" definition-exists="false" ipc-concordant="B21B39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Looper devices</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="B21B39/086" definition-exists="false" ipc-concordant="B21B39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Braking devices</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="B21B39/088" definition-exists="false" ipc-concordant="B21B39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bumpers, stopping devices</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="B21B39/10" definition-exists="false" ipc-concordant="B21B39/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement or installation of feeding rollers in rolling stands</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/12" definition-exists="false" ipc-concordant="B21B39/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement or installation of roller tables in relation to a roll stand</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B39/14" definition-exists="false" ipc-concordant="B21B39/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guiding, positioning or aligning work </text><reference><text><class-ref scheme="cpc">B21B43/12</class-ref> takes precedence; guides in which work is subjected to permanent internal twisting <class-ref scheme="cpc">B21B15/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/16" definition-exists="false" ipc-concordant="B21B39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>immediately before entering or after leaving the pass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B39/165" definition-exists="false" ipc-concordant="B21B39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Guides or guide rollers for rods, bars, rounds, tubes </text><reference><text><class-ref scheme="cpc">B21B39/28</class-ref> takes precedence</text></reference><text>; Aligning guides</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="B21B39/18" definition-exists="false" ipc-concordant="B21B39/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Switches for directing work in metal-rolling mills or trains</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B39/20" definition-exists="false" ipc-concordant="B21B39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Revolving, turning-over, or like manipulation of work, </text><CPC-specific-text><text>e.g. revolving in trio stands</text></CPC-specific-text><reference><text>guides in which work is subjected to permanent internal twisting <class-ref scheme="cpc">B21B15/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/22" definition-exists="false" ipc-concordant="B21B39/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by tipping, e.g. by lifting one side by levers or wedges </text><reference><text><class-ref scheme="cpc">B21B39/26</class-ref>, <class-ref scheme="cpc">B21B39/28</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="B21B39/223" definition-exists="false" ipc-concordant="B21B39/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Side-guard manipulators</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="B21B39/226" definition-exists="false" ipc-concordant="B21B39/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tiltable ingot chairs</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="B21B39/24" definition-exists="false" ipc-concordant="B21B39/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by tongs or grippers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/26" definition-exists="false" ipc-concordant="B21B39/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by members, e.g. grooved, engaging opposite sides of the work and moved relatively to each other to revolve the work</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/28" definition-exists="false" ipc-concordant="B21B39/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of guide members shaped to revolve the work during its passage</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/30" definition-exists="false" ipc-concordant="B21B39/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by lodging it in a rotating ring manipulator or ring segment manipulator</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B39/32" definition-exists="false" ipc-concordant="B21B39/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices specially adapted for turning sheets</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B39/34" definition-exists="false" ipc-concordant="B21B39/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B39/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements or constructional combinations specifically designed to perform functions covered by more than one of groups <class-ref scheme="cpc">B21B39/02</class-ref>, <class-ref scheme="cpc">B21B39/14</class-ref>, <class-ref scheme="cpc">B21B39/20</class-ref></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B41/00" definition-exists="true" ipc-concordant="B21B41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves</text></title-part><title-part><text>Loop lifters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B41/02" definition-exists="false" ipc-concordant="B21B41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Returning work to repeat the pass or passes </text><CPC-specific-text><text>within the same stand</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B41/04" definition-exists="false" ipc-concordant="B21B41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>above or underneath the rolling stand or rolls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B41/06" definition-exists="false" ipc-concordant="B21B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which the direction of movement of the work is turned through approximately 180 degrees, </text><CPC-specific-text><text>e.g. repeaters, i.e. from one stand to another</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="B21B41/08" definition-exists="false" ipc-concordant="B21B41/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without overall change in the general direction of movement of the work</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21B41/10" definition-exists="false" ipc-concordant="B21B41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Loop deflectors </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21B39/084</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="8" additional-only="false" sort-key="B21B41/12" definition-exists="false" ipc-concordant="B21B41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B41/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of interest only with respect to provision for indicating or controlling operations</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B43/00" definition-exists="true" ipc-concordant="B21B43/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B43/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling beds, whether stationary or moving</text></title-part><title-part><text>Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed </text><reference><text>conveying means in general <class-ref scheme="cpc">B65G</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B43/04" definition-exists="false" ipc-concordant="B21B43/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B43/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling beds comprising rolls or worms</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B43/08" definition-exists="false" ipc-concordant="B21B43/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B43/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling beds comprising revolving drums or recycling chains </text><CPC-specific-text><text>or discs</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="B21B43/10" definition-exists="false" ipc-concordant="B21B43/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B43/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling beds with other work-shifting elements projecting through the bed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B43/12" definition-exists="false" ipc-concordant="B21B43/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B43/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Devices for positioning workpieces &quot;flushed&quot;, i.e. with all their axial ends arranged in line on cooling beds or on co-operating conveyors </text><CPC-specific-text><text>, e.g. before cutting</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B45/002" definition-exists="false" ipc-concordant="B21B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Increasing friction between work and working rolls by using friction increasing substance</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="B21B45/004" definition-exists="false" ipc-concordant="B21B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating the product</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B45/006" definition-exists="false" ipc-concordant="B21B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2045/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in vacuum or in inert atmosphere</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="B21B45/008" definition-exists="false" ipc-concordant="B21B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat shields</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="B21B45/02" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for lubricating, cooling, or cleaning </text><CPC-specific-text><reference><text>in particular in combination with forging or pressing devices <class-ref scheme="cpc">B21B15/005</class-ref>, control of flatness or profile using lubricating or cooling <class-ref scheme="cpc">B21B37/44</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="B21B45/0203" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0203</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="B21B45/0206" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coolants</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="B21B45/0209" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling devices, e.g. using gaseous coolants</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B21B45/0212" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2045/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using gaseous coolants</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="B21B45/0215" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using liquid coolants, e.g. for sections, for tubes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B21B45/0218" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for strips, sheets, or plates </text><reference><text><class-ref scheme="cpc">B21B45/023</class-ref>, <class-ref scheme="cpc">B21B45/0233</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B21B45/0221" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2045/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for structural sections, e.g. H-beams</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B21B45/0227" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2045/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for tubes</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="B21B45/023" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by immersion in a bath</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="B21B45/0233" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spray nozzles, Nozzle headers; Spray systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B45/0236" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21B2045/0236</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Laying heads for overlapping rings on cooling conveyor</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="B21B45/0239" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0239</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lubricating</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B45/0242" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lubricants</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="B21B45/0245" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lubricating devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B45/0248" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using liquid lubricants, e.g. for sections, for tubes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B21B45/0251" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0251</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for strips, sheets, or plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B21B45/0254" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2045/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for structural sections, e.g. H-beams</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="B21B45/0257" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for wire, rods, rounds, bars</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B21B45/026" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B2045/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for 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="B21B45/0263" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using solid lubricants</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="B21B45/0266" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring or controlling thickness of liquid films</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="B21B45/0269" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21B45/0272" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning compositions</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="B21B45/0275" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B45/0278" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>removing liquids</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B21B45/0281" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>removing coolants</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="B21B45/0284" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>removing lubricants</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="B21B45/0287" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0287</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>removing solid particles, e.g. dust, rust</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="B21B45/029" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid recovering devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21B45/0293" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recovering coolants</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="B21B45/0296" definition-exists="false" ipc-concordant="B21B45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/0296</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recovering lubricants</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="B21B45/04" definition-exists="false" ipc-concordant="B21B45/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21B45/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for de-scaling </text><CPC-specific-text><text>, e.g. by brushing </text><reference><text>descaling of rod or wire <class-ref scheme="cpc">B21C43/04</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="B21B45/06" definition-exists="false" ipc-concordant="B21B45/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of strip material </text><reference><text><class-ref scheme="cpc">B21B45/08</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="B21B45/08" definition-exists="false" ipc-concordant="B21B45/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B45/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>hydraulically</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="B21B47/00" definition-exists="true" ipc-concordant="B21B47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B47/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal </text><reference><text>soaking pits <class-ref scheme="cpc">C21D9/70</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B47/02" definition-exists="false" ipc-concordant="B21B47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B47/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for folding sheets before rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21B47/04" definition-exists="false" ipc-concordant="B21B47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B47/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for separating layers after rolling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21B99/00" definition-exists="true" ipc-concordant="B21B99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21B99/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Subject matter not provided for in other groups of this subclass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="B21B201/00" date-revised="2013-01-01" status="published"><classification-symbol>B21B2201/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B201/00" 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>B21B2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special rolling modes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/02" 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>B21B2201/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Austenitic rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/04" 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>B21B2201/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ferritic rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/06" 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>B21B2201/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermomechanical rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/08" 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>B21B2201/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Batch rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/10" 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>B21B2201/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Endless rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/12" 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>B21B2201/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Isothermic rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/14" 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>B21B2201/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Soft reduction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/16" 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>B21B2201/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two-phase or mixed-phase rolling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B201/18" 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>B21B2201/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vertical rolling pass lines</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="B21B203/00" date-revised="2013-01-01" status="published"><classification-symbol>B21B2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Equipment codes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B203/00" 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>B21B2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/02" 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>B21B2203/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Backlash elimination</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/04" 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>B21B2203/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Brakes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/06" 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>B21B2203/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cassettes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/08" 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>B21B2203/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clutches</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/10" 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>B21B2203/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Counterweights</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/12" 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>B21B2203/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Covers or shieldings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/14" 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>B21B2203/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dummy bars or slabs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/16" 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>B21B2203/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Eccentrics</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/18" 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>B21B2203/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolls or rollers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B203/182" 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>B21B2203/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid driven rolls or rollers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B203/185" 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>B21B2203/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reversible rolls for changing grooves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B203/187" 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>B21B2203/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tilting rolls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/20" 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>B21B2203/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flywheels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/22" 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>B21B2203/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hinged chocks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/24" 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>B21B2203/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrostatic bearings or guides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/26" 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>B21B2203/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motors, drives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/28" 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>B21B2203/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mounting or dismounting bearing and chock as a unit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/30" 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>B21B2203/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Quick or bayonet couplings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/32" 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>B21B2203/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll changing stools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/34" 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>B21B2203/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotational position or alignment</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/36" 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>B21B2203/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spacers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/38" 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>B21B2203/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Strain gauges</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/40" 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>B21B2203/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Torsion bars or shafts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/42" 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>B21B2203/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Turntables</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B203/44" 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>B21B2203/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vibration dampers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B205/00" 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>B21B2205/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particular shaped rolled products</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B205/02" 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>B21B2205/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tailored blanks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B205/04" 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>B21B2205/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Taper- or wedge-shaped profiles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B261/00" 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>B21B2261/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Product parameters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B261/02" 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>B21B2261/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transverse dimensions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B261/04" 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>B21B2261/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness, gauge</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B261/043" 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>B21B2261/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blanks with variable thickness in the rolling direction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B261/046" 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>B21B2261/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Different thickness in width direction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B261/05" 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>B21B2261/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Different constant thicknesses in one rolled product</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B261/06" 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>B21B2261/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Width</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B261/065" 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>B21B2261/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blanks with variable width</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B261/08" 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>B21B2261/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diameter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B261/10" 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>B21B2261/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cross-sectional area</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B261/12" 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>B21B2261/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Length</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B261/14" 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>B21B2261/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roughness</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B261/18" 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>B21B2261/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Weight</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B261/20" 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>B21B2261/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B261/21" 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>B21B2261/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature profile</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B261/22" 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>B21B2261/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hardness</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B263/00" 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>B21B2263/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape of product</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B263/02" 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>B21B2263/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Profile, e.g. of plate, hot strip, sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B263/04" 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>B21B2263/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flatness</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B263/06" 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>B21B2263/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Edge waves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B263/08" 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>B21B2263/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Centre buckles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B263/10" 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>B21B2263/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lateral spread defects</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B263/12" 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>B21B2263/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dog bone</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B263/16" 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>B21B2263/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alligatoring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B263/20" 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>B21B2263/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>End shape</text></title-part><title-part><text>fish tail</text></title-part><title-part><text>tongue</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B263/30" 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>B21B2263/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape in top view</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B265/00" 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>B21B2265/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming parameters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/02" 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>B21B2265/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tension</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B265/04" 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>B21B2265/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Front or inlet tension</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B265/06" 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>B21B2265/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interstand tension</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B265/08" 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>B21B2265/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Back or outlet tension</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/10" 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>B21B2265/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compression, e.g. longitudinal compression</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/12" 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>B21B2265/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolling load or rolling pressure</text></title-part><title-part><text>roll force</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/14" 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>B21B2265/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reduction rate</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B265/16" 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>B21B2265/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Extension</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/18" 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>B21B2265/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elongation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/20" 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>B21B2265/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Slip</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/22" 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>B21B2265/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pass schedule</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B265/24" 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>B21B2265/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>asymmetric rolling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B267/00" 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>B21B2267/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll parameters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/02" 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>B21B2267/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll dimensions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B267/06" 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>B21B2267/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll diameter</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B267/065" 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>B21B2267/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Top and bottom roll have different diameters</text></title-part><title-part><text>Asymmetrical rolling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B267/08" 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>B21B2267/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll eccentricity</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/10" 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>B21B2267/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roughness of roll surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/12" 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>B21B2267/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll temperature</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/18" 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>B21B2267/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll crown</text></title-part><title-part><text>roll profile</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B267/19" 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>B21B2267/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermal crown</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B267/20" 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>B21B2267/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ground camber or profile</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B267/22" 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>B21B2267/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydraulic expansion of rolls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/24" 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>B21B2267/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll wear</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/26" 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>B21B2267/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hardness of the roll surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B267/28" 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>B21B2267/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elastic moduli of rolls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B269/00" 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>B21B2269/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll bending or shifting</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B269/02" 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>B21B2269/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll bending</text></title-part><title-part><text>vertical bending of rolls</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B269/04" 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>B21B2269/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Work roll bending</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B269/06" 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>B21B2269/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intermediate roll bending</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B269/08" 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>B21B2269/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Back-up roll bending</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B269/10" 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>B21B2269/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Horizontal bending of rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B269/12" 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>B21B2269/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axial shifting the rolls</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B269/14" 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>B21B2269/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Work rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B269/16" 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>B21B2269/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intermediate rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B269/18" 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>B21B2269/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Back-up rolls</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="B21B271/00" 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>B21B2271/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mill stand parameters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B271/02" 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>B21B2271/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll gap, screw-down position, draft position</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B271/025" 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>B21B2271/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tapered roll gap</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B271/04" 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>B21B2271/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Screw-down speed, draft speed</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B271/06" 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>B21B2271/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mill spring</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B273/00" 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>B21B2273/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Path parameters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/02" 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>B21B2273/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vertical deviation, e.g. slack, looper height</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/04" 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>B21B2273/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lateral deviation, meandering, camber of product</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/06" 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>B21B2273/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Threading</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B273/08" 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>B21B2273/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Threading-in or before threading-in</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B273/10" 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>B21B2273/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Threading-out or after threading-out</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/12" 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>B21B2273/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>End of product</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B273/14" 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>B21B2273/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Front end or leading end</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B273/16" 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>B21B2273/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tail or rear end</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/18" 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>B21B2273/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Presence of product</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/20" 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>B21B2273/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Track of product</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/22" 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>B21B2273/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aligning on rolling axis, e.g. of roll calibers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B273/24" 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>B21B2273/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Web positioning</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B21B275/00" 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>B21B2275/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mill drive parameters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B275/02" 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>B21B2275/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Speed</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B275/04" 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>B21B2275/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll speed</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B21B275/05" 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>B21B2275/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Speed difference between top and bottom rolls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B275/06" 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>B21B2275/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Product speed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B275/08" 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>B21B2275/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coiler speed</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B21B275/10" 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>B21B2275/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motor power</text></title-part><title-part><text>motor current</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B21B275/12" 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>B21B2275/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Roll torque</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>