Electric heating – Metal heating – Of cylinders
Patent
1997-07-14
1998-11-24
Shaw, Clifford C.
Electric heating
Metal heating
Of cylinders
21912511, B23K 912
Patent
active
058410899
ABSTRACT:
The subject invention is a tube welding apparatus for the welding of small tubes, such as those one-sixteenth of an inch to one-half inch in diameter. The tube welding apparatus includes a drive housing to which is supplied inert gas, cooling water and electricity. Different torch housings are to be mountable in a removably disengaged manner on the drive housing with only a single torch housing being mounted to the drive housing at any given time. The torch housing includes a rotor gear within which is mounted the welding electrode with this rotor gear to be rotatably driven about the tube that is to be welded. Also mounted within the torch housing is an electrical brush which is to be in engagement with the rotor gear with the brush also including electrical connecting plugs which are to engage in a mating manner with sockets formed on the drive housing on which mounts the torch housing on the drive housing. The torch housing is to include a heat sink to dissipate excess heat from the welding procedure to keep the torch housing as cool as possible. The torch housing includes a gas passage arrangement for supplying inert gas to the area of the welding electrode.
REFERENCES:
patent: 3395262 (1968-07-01), Kazlauskas
patent: 3400237 (1968-09-01), Kazlauskas
patent: 3823298 (1974-07-01), Rohrberg et al.
patent: 4379215 (1983-04-01), Rohrberg
patent: 4841115 (1989-06-01), Severin et al.
patent: 4857690 (1989-08-01), Kazlauskas
patent: 5136134 (1992-08-01), Benway et al.
patent: 5288963 (1994-02-01), Jusionis
Astro Arc Polysoude, Incorporated
Munro Jack C.
Shaw Clifford C.
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