B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/67, 327/71
B23K 9/00 (2006.01)
Patent
CA 1299675
METHOD AND DEVICE FOR UNDERWATER ELECTRICAL WELDING Abstract of the Disclosure Method of underwater arc welding comprising the steps of placing a welding electrode nearby a parent material to be welded, immerged in water; generating a high frequency voltage between the electrode and the parent material for starting a striking arc and supply- ing a high frequency current to said electrode, after said striking arc has been initiated; generating a weld- ing voltage for producing a weld at the parent material and; simultaneously sustaining the high frequency cur- rent, superimposed to the welding current, for stabiliz- ing said welding arc during the time duration of the underwater arc welding.
570872
Blanchard Philippe
Durand Bernard
Rey Henri
Blanchard Philippe
Compagnie Maritime D'expertises (comex)
Durand Bernard
Electricite de France - Service National
Goudreau Gage Dubuc
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