ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-B21H.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="B21H" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B21H</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS </text><reference><text>essentially from sheet metal <class-ref scheme="cpc">B21D</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> rolling operations which are specially adapted for use in the manufacture of particular objects and which are not essentially combined with any different metal-working operation unless the latter is a subsidiary operation performed in the same machine.</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="B21H1/00" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21H1/00" definition-exists="true" ipc-concordant="B21H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21H1/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Making articles shaped as bodies of revolution </text><reference><text>rolling tubes <class-ref scheme="cpc">B21B17/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B21B25/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H1/02" definition-exists="false" ipc-concordant="B21H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>discs</text></title-part><title-part><text>disc wheels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H1/04" definition-exists="false" ipc-concordant="B21H1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rim, e.g. railways wheels </text><CPC-specific-text><text>or pulleys</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="B21H1/06" definition-exists="false" ipc-concordant="B21H1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rings of restricted axial length </text><reference><text>extending closed shapes of metal bands by simultaneous rolling at two or more zones <class-ref scheme="cpc">B21B5/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H1/08" definition-exists="false" ipc-concordant="B21H1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>railway wheel rims</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H1/10" definition-exists="false" ipc-concordant="B21H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rims for pneumatic tyres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H1/12" definition-exists="false" ipc-concordant="B21H1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rings for ball or roller bearings</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H1/14" definition-exists="false" ipc-concordant="B21H1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>balls, rollers, cone rollers, or like bodies</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H1/16" definition-exists="false" ipc-concordant="B21H1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for bearings</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H1/18" definition-exists="true" ipc-concordant="B21H1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cylinders, e.g. rolled transversely </text><CPC-specific-text><text>cross-rolling</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H1/20" definition-exists="true" ipc-concordant="B21H1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rolled longitudinally</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H1/22" definition-exists="true" ipc-concordant="B21H1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21H1/22</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>characterised by use of rolls having circumferentially varying profile </text><CPC-specific-text><text>; Die-rolling</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="B21H3/00" definition-exists="true" ipc-concordant="B21H3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making helical bodies or bodies having parts of helical shape </text><reference><text>helical gears <class-ref scheme="cpc">B21H5/00</class-ref>; forming tubes or tube walls into helical shape <class-ref scheme="cpc">B21D11/06</class-ref>, <class-ref scheme="cpc">B21D15/04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H3/02" definition-exists="false" ipc-concordant="B21H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21H3/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>external screw-threads </text><CPC-specific-text><text>; Making dies for thread rolling</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H3/022" definition-exists="false" ipc-concordant="B21H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with rolling splines, ribs, grooves or the like, e.g. using compound dies</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="B21H3/025" definition-exists="false" ipc-concordant="B21H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling locking screws</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="B21H3/027" definition-exists="false" ipc-concordant="B21H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling of self-tapping screws</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="B21H3/04" definition-exists="true" ipc-concordant="B21H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making by means of profiled-rolls </text><CPC-specific-text><text>or die rolls</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21H3/042" definition-exists="true" ipc-concordant="B21H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thread-rolling heads</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21H3/044" definition-exists="true" ipc-concordant="B21H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>working axially</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="B21H3/046" definition-exists="true" ipc-concordant="B21H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>working radially</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="B21H3/048" definition-exists="true" ipc-concordant="B21H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>working tangentially</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="B21H3/06" definition-exists="true" ipc-concordant="B21H3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making by means of profiled members other than rolls, e.g. </text><CPC-specific-text><text>reciprocating flat dies or</text></CPC-specific-text><text> jaws, moved longitudinally or curvilinearly with respect to each other</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21H3/065" definition-exists="true" ipc-concordant="B21H3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planetary thread rolling</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="B21H3/08" definition-exists="false" ipc-concordant="B21H3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>internal screw-threads</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H3/10" definition-exists="false" ipc-concordant="B21H3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>twist-drills</text></title-part><title-part><text>screw-taps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H3/12" definition-exists="true" ipc-concordant="B21H3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>articles with helicoidal surface </text><reference><text>bending strip or the like helically <class-ref scheme="cpc">B21D11/06</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="B21H5/00" definition-exists="true" ipc-concordant="B21H5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21H5/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Making gear wheels </text><CPC-specific-text><text>, racks, spline shafts or worms</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H5/005" definition-exists="true" ipc-concordant="B21H5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Worms</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="B21H5/02" definition-exists="true" ipc-concordant="B21H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21H5/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with cylindrical outline </text><CPC-specific-text><text>, e.g. by means of die rolls </text><reference><text>worms <class-ref scheme="cpc">B21H5/005</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="B21H5/022" definition-exists="true" ipc-concordant="B21H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H5/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Finishing gear teeth with cylindrical outline, e.g. burnishing</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="B21H5/025" definition-exists="true" ipc-concordant="B21H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Internally geared wheels</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="B21H5/027" definition-exists="true" ipc-concordant="B21H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H5/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by rolling using reciprocating flat dies, e.g. racks </text><reference><text><class-ref scheme="cpc">B21H5/022</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="B21H5/04" definition-exists="true" ipc-concordant="B21H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>bevel gears</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21H5/045" definition-exists="false" ipc-concordant="B21H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H5/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Finishing bevel gear teeth, e.g. burnishing</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="B21H7/00" definition-exists="true" ipc-concordant="B21H7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons </text><reference><text>nails, pins <class-ref scheme="cpc">B21G3/30</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/002" definition-exists="false" ipc-concordant="B21H7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fasteners, rivets</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="B21H7/005" definition-exists="false" ipc-concordant="B21H7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>railway sleepers or chains</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="B21H7/007" definition-exists="false" ipc-concordant="B21H7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Taper rolling, e.g. leaf springs</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="B21H7/02" definition-exists="false" ipc-concordant="B21H7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>spades</text></title-part><title-part><text>shovels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/04" definition-exists="false" ipc-concordant="B21H7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>hoes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/06" definition-exists="false" ipc-concordant="B21H7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ploughshares</text></title-part><title-part><text>axes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/08" definition-exists="false" ipc-concordant="B21H7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forks</text></title-part><title-part><text>rakes </text><CPC-specific-text><text>spoons</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="B21H7/10" definition-exists="false" ipc-concordant="B21H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>knives</text></title-part><title-part><text>sickles</text></title-part><title-part><text>scythes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/12" definition-exists="false" ipc-concordant="B21H7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>horse-shoes</text></title-part><title-part><text>articles of like shape, e.g. wear-resisting attachments for shoes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/14" definition-exists="false" ipc-concordant="B21H7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>knurled articles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/16" definition-exists="false" ipc-concordant="B21H7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>turbine blades</text></title-part><title-part><text>compressor blades</text></title-part><title-part><text>propeller blades</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H7/18" definition-exists="true" ipc-concordant="B21H7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>grooved pins</text></title-part><title-part><text>Rolling grooves, e.g. oil grooves, in articles </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21H5/00</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="B21H7/182" definition-exists="true" ipc-concordant="B21H7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling annular grooves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21H7/185" definition-exists="true" ipc-concordant="B21H7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filet rolling, e.g. of crankshafts</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="B21H7/187" definition-exists="true" ipc-concordant="B21H7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H7/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rolling helical or rectilinear grooves</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="B21H8/00" definition-exists="true" ipc-concordant="B21H8/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B21H8/00</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects </text><CPC-specific-text><text>, e.g. checkered sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H8/005" definition-exists="true" ipc-concordant="B21H8/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H8/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Embossing sheets or 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="B21H8/02" definition-exists="false" ipc-concordant="B21H8/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H8/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolls of special shape</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21H9/00" definition-exists="true" ipc-concordant="B21H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21H9/02" definition-exists="false" ipc-concordant="B21H9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21H9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for screw-rolling machines</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>