发明名称 Welding device for welding large tanks - comprises a carriage locatable internally of the tank to enclose a selected volume of edges to which inert gas is supplied
摘要 <p>Welding device to weld under an inert gas cover two sheets edge to edge comprises a rectangular carriage enclosing a predetermined volume of the same side of the two sheets and means for supplying gas to the volume so formed. The device is partic. suitable for the welding of large tanks and enables them to be welded internally with an inert gas cover and without moving the tank.</p>
申请公布号 FR2379349(A1) 申请公布日期 1978.09.01
申请号 FR19770003694 申请日期 1977.02.04
申请人 HUGONNET ETS 发明人
分类号 B23K9/32;(IPC1-7):23K9/16;23K9/32 主分类号 B23K9/32
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