B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 28/00 (2006.01) B23K 9/028 (2006.01) B23K 37/00 (2006.01) B23K 37/053 (2006.01)
Patent
CA 2122888
ABSTRACT METHOD AND DEVICE FOR WELDING PIPES TO EACH OTHER The invention relates to a method for welding to each other at least two pipes held mutually coaxially, wherein a guide ring is arranged round at least one of both pipes and wherein a carrier of at least one welding torch guided by the guide ring is moved in peripheral direction of the pipes, while at least one welding bead is applied. The invention has for its object to facilitate the welding operations and/or to enhance the quality of the weld. To this end the welding torch is moved relative to the guide ring by means of at least one controlled rotary motor. The invention also provides a device which is spe- cially intended for applying the method according to the invention. The present invention can be applied in the welding of boilers and vessels, wherein an annular weld is ap- plied between two elements designated as pipes with cylindrical edges. The invention can however be applied with particular advantage in a method and a device for laying a pipeline.
Van Heuveln Joost
Vermaat Huibrecht P.
Atlantic Point Inc.
Fetherstonhaugh & Co.
Van Heuveln Joost
Vermaat Huibrecht P.
Vermaat Technics B.v.
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