with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas

Full Title

Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating > with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas

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