Electric heating – Metal heating – Of cylinders
Patent
1991-05-20
1993-03-23
Shaw, Clifford C.
Electric heating
Metal heating
Of cylinders
B23K 900
Patent
active
051966646
ABSTRACT:
An orbital welder for welding tubes includes a welding head and a hinged clamp arrangement which grasps the tubes and holds them in abutment for welding. The clamp is constructed to discharge shielding gas into the welding region. By supplying gas only from the clamp, a high purity weld is achieved.
REFERENCES:
patent: 3238347 (1966-03-01), Rohrberg et al.
patent: 4379215 (1983-04-01), Rohrberg
patent: 4810848 (1989-03-01), Kazlauskas
Mon Donald D.
Shaw Clifford C.
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