B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
78/47
B23K 9/127 (2006.01)
Patent
CA 1041802
ABSTRACT OF THE DISCLOSURE The present invention provides in the welding of a pipe seam between adjacent edges of at least one band using pipe welding machinery having a tracer head the improvement comprising a set up including a guide groove in said band extend- ing parallel to the band edge and located in the fusion zone of the welding seam; said groove being adapted to accomodate the tracer head so as to automatically guide welding heads in said machinery.
231074
Hartjenstein Wolfgang
Kibbert Klaus
Mertens Willi
Muller-Axt Friedrich
Ruppe Herbert
Mannesmannrohren-Werke Ag
Na
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