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Kiefer, J.H.; Smith, D.J.
Westinghouse Electric Corp., Pittsburgh, PA (USA)1981
Westinghouse Electric Corp., Pittsburgh, PA (USA)1981
AbstractAbstract
[en] In a welding torch which fits over a tube intermediate the ends thereof for welding the juncture between the tube and a boss on the back side of a tube plate, a split housing encloses a tungsten electrode, a filler wire duct and a fiber optic bundle arranged to observe the welding process. A shielding gas duct is provided in the housing. A screw is provided for setting electrode/work distance. Difficult remote tube welding operations can be performed with the apparatus. (author)
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Source
28 Oct 1981; 5 p; GB PATENT DOCUMENT 2074067/A/
Record Type
Patent
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