Pipeline external aligning device with rolling positioning function

The invention relates to a pipeline external aligning device with rolling positioning, which comprises at least one external enclasping ring for positioning and fixing an old pipe, at least one external fixing component is arranged on the external enclasping ring, and a plurality of external rolling...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU WANGYOU, QI JIANLONG, LI JINGCHANG, CHEN JIULONG, YU LEI, LI YONGHONG, SONG HAITAO, XU CONGCONG, LIU SHAOZHU
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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