GAS PURGING DEVICE FOR WELD PART

PROBLEM TO BE SOLVED: To provide a gas purging tool, which keeps an oxygen concentration low by filling an inert gas in the inner part of a container that is limited to the vicinity of a penetration bead welding part when conducting penetration bead welding of an end plate to the manhole body of a c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TSUSHIMO TOYOHIKO, YOKOYAMA AKIHITO
Format:	Patent
Sprache:	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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