B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
Boite sous pression sertie comportant un corps cylindrique garni interieurement d'un sachet en feuille mince pour contenir un substrat et son procede de fabrication
Procede de fabrication d'element creux et de recipient metalliques de forme troncopyramidale et element creux et recipient metalliques de forme troncopyramidale.