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35 lines
18 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="B21L" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B21L</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>MAKING METAL CHAINS </text><reference><text>making chains or chain links by casting <class-ref scheme="cpc">B22D25/02</class-ref>; chains in general <class-ref scheme="cpc">F16G</class-ref></text></reference></title-part></class-title><notes-and-warnings><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>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B21L1/00" date-revised="2013-01-01" status="published"><classification-symbol>B21L1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L1/00" definition-exists="true" ipc-concordant="B21L1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21L1/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape </text><reference><text><class-ref scheme="cpc">B21L3/00</class-ref>, <class-ref scheme="cpc">B21L7/00</class-ref> take precedence</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="B21L1/02" definition-exists="true" ipc-concordant="B21L1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bending the ends of the workpieces to abut</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="B21L1/04" definition-exists="true" ipc-concordant="B21L1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bending and interconnecting the ends of the workpieces with or without separate jointing members</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L3/00" definition-exists="true" ipc-concordant="B21L3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends </text><reference><text><class-ref scheme="cpc">B21L7/00</class-ref> takes precedence</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="B21L3/02" definition-exists="true" ipc-concordant="B21L3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices for welding chain links</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21L3/04" definition-exists="true" ipc-concordant="B21L3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by making use of forge or pressure welding</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L5/00" definition-exists="true" ipc-concordant="B21L5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chains links are formed</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21L5/02" definition-exists="true" ipc-concordant="B21L5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in such a way that interconnected links are formed</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L7/00" definition-exists="true" ipc-concordant="B21L7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making chains or chain links by cutting single loops or loop-parts from coils, assembling the cut parts and subsequently subjecting same to twisting with or without welding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L9/00" definition-exists="true" ipc-concordant="B21L9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains </text><reference><text><class-ref scheme="cpc">B21L1/04</class-ref>, <class-ref scheme="cpc">B21L7/00</class-ref>, <class-ref scheme="cpc">B21L11/14</class-ref>, <class-ref scheme="cpc">B21L13/00</class-ref> take precedence</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="B21L9/02" definition-exists="true" ipc-concordant="B21L9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of roller-chain or other plate-link type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21L9/04" definition-exists="true" ipc-concordant="B21L9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Punching or bending the different parts of the chain links</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21L9/06" definition-exists="true" ipc-concordant="B21L9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sorting, feeding, assembling, riveting, or finishing parts of chains</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21L9/065" definition-exists="true" ipc-concordant="B21L9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L9/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Assembling or disassembling</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="9" additional-only="false" sort-key="B21L9/08" definition-exists="true" ipc-concordant="B21L9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combining the chain links with auxiliary parts, e.g. welding-on wear-resistant parts</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L11/00" definition-exists="true" ipc-concordant="B21L11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making chains or chain links of special shape</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21L11/005" definition-exists="true" ipc-concordant="B21L11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B21L11/005</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Making ornamental chains </text><reference><text><class-ref scheme="cpc">B21L11/02</class-ref> - <class-ref scheme="cpc">B21L11/14</class-ref> take precedence; ornamental chains <class-ref scheme="cpc">A44C</class-ref></text></reference></CPC-specific-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="B21L11/02" definition-exists="true" ipc-concordant="B21L11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>each link being formed of a single member of which both ends are bent or shaped to engage the middle portions of the next link</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21L11/04" definition-exists="true" ipc-concordant="B21L11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the ends being pierced or punched to form eyes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21L11/06" definition-exists="true" ipc-concordant="B21L11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the workpiece being of thin strip metal</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21L11/08" definition-exists="true" ipc-concordant="B21L11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the ends being interengaged with other parts of the same link</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="B21L11/10" definition-exists="true" ipc-concordant="B21L11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the chain links having opposed correspondingly shaped cylindrical and hook-like parts of which one parts forms a hinge-like support for the adjacent link </text><reference><text><class-ref scheme="cpc">B21L11/02</class-ref> takes precedence</text></reference></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="B21L11/12" definition-exists="true" ipc-concordant="B21L11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21L11/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Forming bead chains</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="B21L11/14" definition-exists="true" ipc-concordant="B21L11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21L11/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Making chain links with inserted or integrally-formed studs</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L13/00" definition-exists="true" ipc-concordant="B21L13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21L13/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Making terminal or intermediate chain links of special shape</text></title-part><title-part><text>Making couplings for chains, e.g. swivels, shackles</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L15/00" definition-exists="true" ipc-concordant="B21L15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Finishing or dressing chains or chain links, e.g. removing burr material, calibrating </text><reference><text><class-ref scheme="cpc">B21L9/06</class-ref> takes precedence</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="B21L15/005" definition-exists="false" ipc-concordant="B21L15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pre-stretching chains</text></CPC-specific-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="B21L15/02" definition-exists="true" ipc-concordant="B21L15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Twisting already closed links</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L19/00" definition-exists="true" ipc-concordant="B21L19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Appurtenances for chain-making not restricted to any particular process</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L21/00" definition-exists="true" ipc-concordant="B21L21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B21L21/00</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Tools or implements for repairing chains using metal-working operations, e.g. for detaching deformed chain links</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21L99/00" definition-exists="true" ipc-concordant="B21L99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21L99/00</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></class-scheme> |