Automatic welding back gas protection device

The utility model relates to the field of plasma automatic welding protection adopted by austenitic stainless steel in the chemical industry, in particular to an automatic welding back gas protection device which comprises a gas collection chamber, and an opening is formed in one end of the gas coll...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN XUAN, LIN YALAN, SU HAN, LYU FANGLIN, WU JINYIN, GUO ZHIPENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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