CPC Main Group
B23K 20/00 Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
15 direct subcodes
Child Classifications
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- B23K 20/02 by means of a press
- B23K 20/04 by means of a rolling mill
- B23K 20/06 by means of high energy impulses, e.g. magnetic energy
- B23K 20/10 making use of vibrations, e.g. ultrasonic welding
- B23K 20/12 the heat being generated by friction; Friction welding
- B23K 20/14 Preventing or minimising gas access, or using protective gases or vacuum during welding (formed by material interposed between workpieces B23K20/18)
- B23K 20/16 with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
- B23K 20/18 Zonal welding by interposing weld-preventing substances between zones not to be welded
- B23K 20/20 Special methods allowing subsequent separation, e.g. of metals of high quality from scrap material
- B23K 20/22 taking account of the properties of the materials to be welded
- B23K 20/24 Preliminary treatment
- B23K 20/26 Auxiliary equipment