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29 lines
13 KiB
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29 lines
13 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="C23D" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>C23D</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C23D1/00" date-revised="2013-01-01" status="published"><classification-symbol>C23D1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C23D1/00" definition-exists="false" ipc-concordant="C23D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melting or fritting the enamels</text></title-part><title-part><text>Apparatus or furnaces therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C23D1/02" definition-exists="false" ipc-concordant="C23D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Granulating the melt</text></title-part><title-part><text>Drying the granules</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C23D3/00" date-revised="2013-01-01" status="published"><classification-symbol>C23D3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coating with the enamels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C23D3/00" definition-exists="true" ipc-concordant="C23D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C23D3/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Chemical treatment of the metal surfaces prior to coating</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="C23D5/00" definition-exists="false" ipc-concordant="C23D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C23D5/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Coating with enamels or vitreous layers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C23D5/005" definition-exists="false" ipc-concordant="C23D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a method specially adapted for coating special objects</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="C23D5/02" definition-exists="false" ipc-concordant="C23D5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by wet methods</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="C23D5/04" definition-exists="false" ipc-concordant="C23D5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dry methods</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="C23D5/06" definition-exists="false" ipc-concordant="C23D5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>producing designs or letters</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="C23D5/08" definition-exists="false" ipc-concordant="C23D5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Applying enamels non-uniformly over the surface</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="C23D5/10" definition-exists="true" ipc-concordant="C23D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>C23D5/10</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>with refractory materials</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="warning"><note-paragraph warning-type="reclass-source"> Group <class-ref scheme="cpc">C23D5/10</class-ref> is no longer used for classification. Documents are in the state of being reclassified to <class-ref scheme="cpc">C23C4/10</class-ref> and <class-ref scheme="cpc">C23C24/10</class-ref>. </note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C23D7/00" definition-exists="false" ipc-concordant="C23D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treating the coatings, e.g. drying before burning</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C23D9/00" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Firing the enamels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C23D9/00" definition-exists="true" ipc-concordant="C23D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ovens specially adapted for firing enamels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C23D9/02" definition-exists="false" ipc-concordant="C23D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-electric muffle furnaces</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="C23D9/04" definition-exists="false" ipc-concordant="C23D9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-electric tunnel ovens</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="C23D9/06" definition-exists="false" ipc-concordant="C23D9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric furnaces</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="C23D9/08" definition-exists="false" ipc-concordant="C23D9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supporting devices for burning-bars</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="C23D9/10" definition-exists="false" ipc-concordant="C23D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Loading or unloading devices</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="C23D11/00" definition-exists="false" ipc-concordant="C23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Continuous processes</text></title-part><title-part><text>Apparatus therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C23D13/00" date-revised="2013-01-01" status="published"><classification-symbol>C23D13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C23D13/00" definition-exists="false" ipc-concordant="C23D13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment of the enamelled articles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C23D13/02" definition-exists="false" ipc-concordant="C23D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removing defects by local re-melting of the enamel</text></title-part><title-part><text>Adjusting the shape</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="C23D15/00" definition-exists="false" ipc-concordant="C23D15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining enamelled articles to other enamelled articles by processes involving an enamelling step</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="C23D17/00" definition-exists="false" ipc-concordant="C23D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C23D17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>De-enamelling</text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |