Gas protection device for pipe welding

The invention provides a gas protection device for pipe welding. High-temperature-resistant fireproof cloth is fixed to the two side edges of the bottom face of a cover plate, and the lower end of thehigh-temperature-resistant fireproof cloth makes contact with the outer pipe wall of a welding pipe;...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIA HAO, JING YAN, CHEN YUSHAN, GOU SHAOHUI, LIANG ANYANG, TIAN YUAN, QIN WEIMING
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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