Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating

Introduced: January 1980

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM

COLD -pressure weldingjoining by FORGING(S)HAMMERING metal for joining or plating

12 direct subcodes

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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 20/1 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
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 20/2 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