Electric heating – Metal heating – Of cylinders
Patent
1996-03-25
1999-06-08
Shaw, Clifford C.
Electric heating
Metal heating
Of cylinders
21912511, B23K 912
Patent
active
059102586
ABSTRACT:
A weld head assembly which, in one embodiment, includes a mounting ring subassembly and a faceplate subassembly is described. The mounting ring subassembly includes a mounting ring configured to be mounted to one of the pipes to be welded. At least one motor is mounted to the mounting ring and the motor includes an output shaft having a rotatable spur gear mounted thereto. A plurality of bevel rollers are mounted, at spaced locations, to the mounting ring and each of the rollers is mounted along a same radial path. The faceplate subassembly is secured to the mounting ring subassembly and includes a faceplate ring, a bevel ring and a spur gear mounted to the faceplate ring. Wire spool holders, wire feeders, a welding torch, and cameras are secured to the rotatable faceplate ring. The bevel ring is located to rotatably interface with the bevel rollers of the mounting ring subassembly and the spur gear is located to mesh with the rotatable spur gear of the mounting ring motor so that the faceplate subassembly rotates with the motor spur gear.
REFERENCES:
patent: 2985746 (1961-05-01), Harmes
patent: 3042787 (1962-07-01), Kotecki
patent: 4144992 (1979-03-01), Omae et al.
patent: 4331278 (1982-05-01), Sherer et al.
patent: 4726300 (1988-02-01), Kazlauskas
patent: 5099098 (1992-03-01), Burgoon
patent: 5126523 (1992-06-01), Rinaldi
patent: 5534676 (1996-07-01), Rinaldi et al.
Grycko Lawrence M.
Kazirskis Benedict
General Electric Company
Shaw Clifford C.
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