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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="B23P" definition-exists="true" date-revised="2021-01-01" status="published"><classification-symbol>B23P</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>METAL-WORKING NOT OTHERWISE PROVIDED FOR</text></title-part><title-part><text>COMBINED OPERATIONS</text></title-part><title-part><text>UNIVERSAL MACHINE TOOLS </text><reference><text>arrangements for copying or controlling <class-ref scheme="cpc">B23Q</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>: <subnote type="bullet"><note-paragraph>combinations of work-modifying operations covered by different subclasses of classes <class-ref scheme="cpc">B21</class-ref> - <class-ref scheme="cpc">B24</class-ref>; </note-paragraph><note-paragraph>combinations of metal-working operations with non-mechanical treatments of metal not provided for elsewhere, for example in <class-ref scheme="cpc">C21D</class-ref>, <class-ref scheme="cpc">C22C</class-ref>, <class-ref scheme="cpc">C22F</class-ref> or <class-ref scheme="cpc">C23</class-ref>.</note-paragraph></subnote></note-paragraph><note-paragraph>This subclass <u>does not cover</u> <subnote type="bullet"><note-paragraph>non-mechanical operations on non-metallic materials unless such operations are specially mentioned in this subclass;</note-paragraph><note-paragraph>subsidiary operations performed in conjunction with main operations covered by a single subclass, e.g. assembling of parts as an essential feature of a following metal-working operation, since they are not regarded as operations <u>per se</u>.</note-paragraph></subnote></note-paragraph><note-paragraph>Attention is drawn to the Notes following the title of class <class-ref scheme="cpc">B23</class-ref>.</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="B23P5/00" date-revised="2013-01-01" status="published"><classification-symbol>B23P5/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B23P5/00" definition-exists="true" ipc-concordant="B23P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Setting gems or the like on metal parts, e.g. diamonds on tools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B23P6/00" definition-exists="true" ipc-concordant="B23P6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Restoring or reconditioning objects </text><reference><text>straightening or restoring form of sheet metal, metal rods, metal tubes, metal profiles, or specific articles made therefrom <class-ref scheme="cpc">B21D1/00</class-ref>, <class-ref scheme="cpc">B21D3/00</class-ref>; repairing defective or damaged objects by casting techniques <class-ref scheme="cpc">B22D19/10</class-ref>; procedures or apparatus covered by a single other subclass, <u>see</u> the relevant subclass</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P6/002" definition-exists="true" ipc-concordant="B23P6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Repairing turbine components, e.g. moving or stationary blades, rotors, </text><reference><text><class-ref scheme="cpc">B23P6/045</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="B23P6/005" definition-exists="false" ipc-concordant="B23P6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using only replacement pieces of a particular form</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="B23P6/007" definition-exists="false" ipc-concordant="B23P6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using only additive methods, e.g. build-up welding</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="B23P6/02" definition-exists="false" ipc-concordant="B23P6/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pistons or cylinders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P6/04" definition-exists="true" ipc-concordant="B23P6/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Repairing fractures or cracked metal parts or products, e.g. castings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P6/045" definition-exists="true" ipc-concordant="B23P6/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P6/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of turbine components, e.g. moving or stationary blades, rotors, etc.</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="B23P9/00" definition-exists="true" ipc-concordant="B23P9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings </text><reference><text>treatment covered by a single other subclass, <u>see</u> the relevant subclass, e.g. <class-ref scheme="cpc">B24C</class-ref>, <class-ref scheme="cpc">C21D7/00</class-ref>, <class-ref scheme="cpc">C22F1/00</class-ref></text></reference></title-part><title-part><text>Features of such surfaces not otherwise provided for, their treatment being unspecified</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P9/02" definition-exists="true" ipc-concordant="B23P9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treating or finishing by applying pressure, e.g. knurling </text><reference><text><class-ref scheme="cpc">B23P9/04</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="B23P9/025" definition-exists="true" ipc-concordant="B23P9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P9/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to inner walls of holes by using axially moving tools</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="B23P9/04" definition-exists="true" ipc-concordant="B23P9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treating or finishing by hammering or applying repeated pressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B23P11/00" definition-exists="true" ipc-concordant="B23P11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B23P11/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for&#160; </text><reference><text>connecting sheet metal or metal tubes, rods or profiles&#160;<class-ref scheme="cpc">B21D39/00</class-ref>; riveting&#160;<class-ref scheme="cpc">B21J</class-ref>; soldering, unsoldering, welding&#160;<class-ref scheme="cpc">B23K</class-ref>; hand tools for connecting wire or strip&#160;<class-ref scheme="cpc">B25B25/00</class-ref>; connecting metal parts by adhesives&#160;<class-ref scheme="cpc">F16B11/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P11/005" definition-exists="false" ipc-concordant="B23P11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by expanding or crimping</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="B23P11/02" definition-exists="false" ipc-concordant="B23P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by first expanding and then shrinking or <u>vice versa,</u> e.g. by using pressure fluids</text></title-part><title-part><text>by making force fits</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P11/022" definition-exists="false" ipc-concordant="B23P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P11/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using pressure fluids</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="B23P11/025" definition-exists="false" ipc-concordant="B23P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P11/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using heat or cold</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P11/027" definition-exists="true" ipc-concordant="B23P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P11/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mounting tools in tool holders</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="B23P13/00" definition-exists="false" ipc-concordant="B23P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making metal objects by operations essentially involving machining but not covered by a single other subclass </text><reference><text>making specific objects <class-ref scheme="cpc">B23P15/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P13/02" definition-exists="false" ipc-concordant="B23P13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which only the machining operations are important</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P13/04" definition-exists="false" ipc-concordant="B23P13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving slicing of profiled material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B23P15/00" definition-exists="true" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making specific metal objects by operations not covered by a single other subclass or a group in this subclass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/001" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>valves or valve housings </text><reference><text>welding <class-ref scheme="cpc">B23K</class-ref>; valve housings <u>per se</u> <class-ref scheme="cpc">F16K</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="B23P15/002" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>poppet valves</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="B23P15/003" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bearings </text><reference><text><u>see</u> also <class-ref scheme="cpc">F16C33/00</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="B23P15/005" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>keys </text><reference><text>making keys without essentially removing material, e.g. by punching <class-ref scheme="cpc">B21D53/42</class-ref>; milling grooves in keys <class-ref scheme="cpc">B23C3/35</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="B23P15/006" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>turbine wheels</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="B23P15/007" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>injection moulding tools</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="B23P15/008" definition-exists="false" ipc-concordant="B23P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rocket engine parts, e.g. nozzles, combustion chambers</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="B23P15/02" definition-exists="false" ipc-concordant="B23P15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>turbine or like blades from one piece</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/04" definition-exists="false" ipc-concordant="B23P15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>turbine or like blades from several pieces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/06" definition-exists="false" ipc-concordant="B23P15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>piston rings from one piece</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/065" definition-exists="false" ipc-concordant="B23P15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from metal strip</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="B23P15/08" definition-exists="false" ipc-concordant="B23P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>piston rings from several pieces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/10" definition-exists="false" ipc-concordant="B23P15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pistons</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/105" definition-exists="true" ipc-concordant="B23P15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Enlarging pistons</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="B23P15/12" definition-exists="false" ipc-concordant="B23P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>gratings </text><CPC-specific-text><reference><text>making gratings by methods covered by other subclasses <class-ref scheme="cpc">B21D47/005</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="B23P15/14" definition-exists="true" ipc-concordant="B23P15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>gear parts, e.g. gear wheels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/16" definition-exists="false" ipc-concordant="B23P15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>plates with holes of very small diameter, e.g. for spinning or burner nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/18" definition-exists="false" ipc-concordant="B23P15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>brake shoes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/20" definition-exists="false" ipc-concordant="B23P15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>railroad requirements, e.g. buffers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/22" definition-exists="false" ipc-concordant="B23P15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cartridges or like shells</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P15/24" definition-exists="false" ipc-concordant="B23P15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dies </text><reference><text><class-ref scheme="cpc">B21C3/18</class-ref>, <class-ref scheme="cpc">B21C25/10</class-ref>, <class-ref scheme="cpc">B21D37/20</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="B23P15/243" definition-exists="false" ipc-concordant="B23P15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Honeycomb 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="B23P15/246" definition-exists="false" ipc-concordant="B23P15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Laminated dies</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="B23P15/26" definition-exists="false" ipc-concordant="B23P15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>heat exchangers </text><CPC-specific-text><text>or the like </text><reference><text>making heat exchangers by methods covered by other subclasses <class-ref scheme="cpc">B21D53/02</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="B23P15/28" definition-exists="false" ipc-concordant="B23P15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cutting tools </text><reference><text>sawing tools <class-ref scheme="cpc">B23D63/00</class-ref>, <class-ref scheme="cpc">B23D65/00</class-ref>; files or rasps <class-ref scheme="cpc">B23D73/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/30" definition-exists="false" ipc-concordant="B23P15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B23P15/30</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>lathes or like tools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/32" definition-exists="false" ipc-concordant="B23P15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>twist-drills</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/34" definition-exists="false" ipc-concordant="B23P15/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>milling cutters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P15/36" definition-exists="false" ipc-concordant="B23P15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for thread-cutting</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/38" definition-exists="false" ipc-concordant="B23P15/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>planing or slotting tools </text><reference><text><class-ref scheme="cpc">B23P15/30</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="B23P15/40" definition-exists="false" ipc-concordant="B23P15/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>shearing tools</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P15/403" definition-exists="false" ipc-concordant="B23P15/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>razor blades</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="B23P15/406" definition-exists="false" ipc-concordant="B23P15/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>rotary or plane die cutters</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="B23P15/42" definition-exists="false" ipc-concordant="B23P15/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>broaching tools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/44" definition-exists="false" ipc-concordant="B23P15/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>scraping or shaving tools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/46" definition-exists="false" ipc-concordant="B23P15/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>reaming tools</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P15/48" definition-exists="false" ipc-concordant="B23P15/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>threading tools </text><reference><text>milling cutters for thread-cutting <class-ref scheme="cpc">B23P15/36</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P15/50" definition-exists="false" ipc-concordant="B23P15/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dies</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P15/52" definition-exists="false" ipc-concordant="B23P15/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P15/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>taps</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="B23P17/00" definition-exists="true" ipc-concordant="B23P17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal-working operations, not covered by a single other subclass or another group in this subclass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P17/02" definition-exists="false" ipc-concordant="B23P17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single metal-working processes</text></title-part><title-part><text>Machines or apparatus therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P17/04" definition-exists="false" ipc-concordant="B23P17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the nature of the material involved or the kind of product independently of its shape</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P17/06" definition-exists="true" ipc-concordant="B23P17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making steel wool or the like</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="B23P19/00" definition-exists="true" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>B23P19/00</classification-symbol><class-title date-revised="2020-05-01"><title-part><text>Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation </text><CPC-specific-text><reference><text>connecting metal parts or objects by metal-working procedures <class-ref scheme="cpc">B21J</class-ref>, <class-ref scheme="cpc">B23K</class-ref></text></reference></CPC-specific-text></title-part><title-part><text>Tools or devices therefor so far as not provided for in other classes </text><reference><text>hand tools in general <class-ref scheme="cpc">B25</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P19/001" definition-exists="true" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Article feeders for assembling machines </text><reference><text>screws or nuts being carried by a disposable strip or disc <class-ref scheme="cpc">B25B23/045</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="B23P19/002" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>orientating the articles</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="B23P19/003" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Escapement mechanisms used therewith</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="B23P19/004" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding the articles from hoppers to machines or dispensers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P19/005" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using flowing gases</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="B23P19/006" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Holding or positioning the article in front of the applying tool</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="B23P19/007" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Picking-up and placing mechanisms</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="B23P19/008" definition-exists="false" ipc-concordant="B23P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the parts being continuously transported through the machine during assembling or disassembling</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="B23P19/02" definition-exists="true" ipc-concordant="B23P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>B23P19/02</classification-symbol><class-title date-revised="2020-05-01"><title-part><text>for connecting objects by press fit or for detaching same </text><reference><text><class-ref scheme="cpc">B23P19/10</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="B23P19/021" definition-exists="false" ipc-concordant="B23P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Railroad wheels on axles</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="B23P19/022" definition-exists="false" ipc-concordant="B23P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Extracting or inserting relatively long parts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P19/024" definition-exists="false" ipc-concordant="B23P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>tube bundles</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="B23P19/025" definition-exists="false" ipc-concordant="B23P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>For detaching only</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="B23P19/027" definition-exists="false" ipc-concordant="B23P19/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using hydraulic or pneumatic means </text><reference><text><class-ref scheme="cpc">B23P19/033</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="B23P19/033" definition-exists="true" ipc-concordant="B23P19/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using vibration</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P19/04" definition-exists="true" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for assembling or disassembling parts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P19/041" definition-exists="false" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for disassembling pallets</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="B23P19/042" definition-exists="false" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for combustion engines </text><reference><text>shape of casings adapted to facilitate fitting or dismantling of engine parts for combustion engines <class-ref scheme="cpc">F02F7/0046</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="B23P19/043" definition-exists="false" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for inserting piston-connecting rods assemblies in cylinders</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="B23P19/045" definition-exists="false" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for assembling valve cotters and retainers of engine valves</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="B23P19/046" definition-exists="false" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Disassembling lids from drums, e.g. by unfolding, for reconditioning or recovery</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="B23P19/047" definition-exists="true" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for flexible profiles, e.g. sealing or decorating strips in grooves or on other profiles by devices moving along the flexible profile </text><reference><text>hand tools therefor <class-ref scheme="cpc">B25B27/0092</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="B23P19/048" definition-exists="false" ipc-concordant="B23P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Springs</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="B23P19/06" definition-exists="true" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Screw or nut setting or loosening machines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P19/061" definition-exists="true" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for pipes or pipe-couplings</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="B23P19/062" definition-exists="true" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pierce nut setting machines</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B23P19/063" definition-exists="false" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deforming the nut only</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="B23P19/064" definition-exists="false" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deforming the support material only, e.g. the sheet or plate</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="B23P19/065" definition-exists="false" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for torque limiters or torque indicators in screw or nut setting machines </text><reference><text>for hand tools <class-ref scheme="cpc">B25B23/14</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="B23P19/066" definition-exists="false" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by electrical means</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="B23P19/067" definition-exists="true" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bolt tensioners </text><reference><text>for hand tools <class-ref scheme="cpc">B25B29/02</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="B23P19/068" definition-exists="false" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using heating means</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="B23P19/069" definition-exists="false" ipc-concordant="B23P19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-spindle machines</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="B23P19/08" definition-exists="false" ipc-concordant="B23P19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines for placing washers, circlips, or the like on bolts or other members</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P19/082" definition-exists="false" ipc-concordant="B23P19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for placing washers on nuts</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="B23P19/084" definition-exists="true" ipc-concordant="B23P19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for placing resilient or flexible rings, e.g. O-rings, circlips</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B23P19/086" definition-exists="true" ipc-concordant="B23P19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-metallic protective bellows</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="B23P19/088" definition-exists="false" ipc-concordant="B23P19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Piston rings in piston grooves</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="B23P19/10" definition-exists="false" ipc-concordant="B23P19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aligning parts to be fitted together</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P19/102" definition-exists="true" ipc-concordant="B23P19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using remote centre compliance devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23P19/105" definition-exists="false" ipc-concordant="B23P19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using sensing means</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="B23P19/107" definition-exists="false" ipc-concordant="B23P19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using oscillating, rotating or vibrating movements</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="B23P19/12" definition-exists="false" ipc-concordant="B23P19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alignment of parts for insertion into bores</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="B23P21/00" definition-exists="true" ipc-concordant="B23P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P21/002" definition-exists="false" ipc-concordant="B23P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P21/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the units stationary whilst being composed</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="B23P21/004" definition-exists="false" ipc-concordant="B23P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P21/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the units passing two or more work-stations whilst being composed</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P21/006" definition-exists="false" ipc-concordant="B23P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P21/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the conveying means comprising a rotating table</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="B23P21/008" definition-exists="false" ipc-concordant="B23P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P21/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the assembling machines or tools moving synchronously with the units while these are being assembled</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="B23P23/00" definition-exists="true" ipc-concordant="B23P23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B23P23/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass </text><reference><text>if the particular kinds of operation are not essential <class-ref scheme="cpc">B23Q37/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B23Q41/00</class-ref>; </text><CPC-specific-text><text>working by laser beam combined with other working of metal <class-ref scheme="cpc">B23K26/0093</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P23/02" definition-exists="true" ipc-concordant="B23P23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machine tools for performing different machining operations </text><reference><text>lathes, e.g. capstan lathes, <class-ref scheme="cpc">B23B</class-ref>; combined horizontal boring and milling machines <class-ref scheme="cpc">B23B39/02</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="B23P23/04" definition-exists="true" ipc-concordant="B23P23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for both machining and other metal-working operations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P23/06" definition-exists="true" ipc-concordant="B23P23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal-working plant comprising a number of associated machines or apparatus</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B23P25/00" definition-exists="true" ipc-concordant="B23P25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23P25/003" definition-exists="false" ipc-concordant="B23P25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B23P25/003</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>immediately preceding a cutting tool</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23P25/006" definition-exists="false" ipc-concordant="B23P25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P25/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating the workpiece by laser during machining</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="B23P700/00" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B23P700/00" 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>B23P2700/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/01" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aircraft parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/02" 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>B23P2700/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Camshafts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts or parts thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/04" 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>B23P2700/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Connecting rods</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/05" 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>B23P2700/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooking vessels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/06" 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>B23P2700/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling passages of turbine components, e.g. unblocking or preventing blocking of cooling passages of turbine components</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crankshafts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/08" 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>B23P2700/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fittings for doors and windows of buildings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat pipes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/10" 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>B23P2700/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat sinks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joints, e.g. ball joints, universal joints</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/12" 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>B23P2700/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Laminated parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parts of turbine combustion chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/14" 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>B23P2700/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suspension elements of automobile vehicles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23P700/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23P2700/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other automobile vehicle parts, i.e. manufactured in assembly lines</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>