Narrow gap welding torch

Details Narrow gap welding torch Narrow gap welding torch

1983-10-12

1986-05-27

Albritton, Clarence L.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219136, 21913742, B23K 916

Patent

active

045916853

ABSTRACT:
A narrow gap welding torch using a twisted wire center electrode. The torch has water-cooled gas bars and a water-cooled center. The gas bar delivers shielding gas to the weld site at a flow of about 100 cu.ft./hr. The water-cooled gas bars and center bars prevent splatter from adhering to the torch and permit the torch to operate at lower shielding gas flows. The water-cooled torch is also thin to enable gaps of narrower width to be welded which requires less weld material to be laid down and which permits welds to be accomplished more quickly and efficiently.

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"Twist Arc Welding Process for Narrow Gap Welding", Kobe Steel, Ltd., Welding Division, (3/1982).
"Current Status of Practical Application of Narrow Gap Welding in Japan", The Japan Pressure Vessel Research Council (9/1981).
"Narrow-Gap, Gas Metal Arc Welding Process in Flat Position", by S. Kimura, I. Ichihara & Y. Nagai, AWS Annual Meeting (Apr. 4-6, 1979).

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