Steel pipe joint closing equipment

The utility model relates to a steel pipe seam closing device which comprises a base, an outer ring frame is arranged on the base in a rotating mode, a gear ring is arranged on the outer ring frame and connected with a driving gear in a meshed mode, the driving gear is fixed to the output end of a r...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG CAILIN, LIAO XIAODONG
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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