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
B23K5/00—Gas flame welding
B23K5/006—Gas flame welding specially adapted for particular articles or work
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Butt Welding And Welding Of Specific Article
(AREA)
Poutres et poteaux, simples et doubles, constitues par la reunion de profiles a section droite en z, et permettant notamment la realisation d'un portique ou d'une potence destine a une construction de batiment.