Four-way valve welding assisting device

The invention provides a four-way valve welding assisting device and relates to the technical field of industrial production. The four-way valve welding assisting device comprises a rotating disk, a plurality of fixing assemblies and a plurality of nitrogen filling assemblies; the fixing assemblies...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO LEIQIANG, QU SHUAIFENG, TANG ZHENXIAO, ZHOU SILONG, ZHAO YINGYING, XIE WEI, FENG HUI
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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