Manual tube-to-tubesheet welding torch

Details Manual tube-to-tubesheet welding torch Manual tube-to-tubesheet welding torch

1980-04-21

1982-11-02

Smith, Jr., David

Electric heating

Metal heating

Of cylinders

219 60A, 219 75, 21912511, 228 29, B23K 902

Patent

active

043575153

ABSTRACT:
A welding torch made of a high temperature plastic which fits over a tube intermediate the ends thereof for welding the juncture between the tube and the back side of a tube plate and has a ballooned end in which an electrode, filler wire guide, fiber optic bundle, and blanketing gas duct are disposed.

REFERENCES:
patent: 3275795 (1966-08-01), Bosna et al.
patent: 3534199 (1970-10-01), Downey et al.
patent: 3754114 (1973-08-01), Peyrot
patent: 3776449 (1973-12-01), Jungle
patent: 3841547 (1974-10-01), Bartley
patent: 4243868 (1981-01-01), Graham
IBM Technical Disclosure Bulletin, vol. 23, No. 6, Nov. 1980, "Non Impact Printer Using Optical Fibers", pp. 2362-2363 by Kightlinger et al.

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