Electric heating – Metal heating – By arc
Patent
1980-12-04
1983-03-29
Shaw, C. C.
Electric heating
Metal heating
By arc
21912511, 219 60R, B23K 912
Patent
active
043784836
ABSTRACT:
A device for moving a welding torch during the welding of seams, particularly circumferential seams, includes a chassis driven by a feed motor with a feed motor control unit and includes a decelerating/accelerating device for the feed motor.
REFERENCES:
patent: 2982897 (1961-05-01), Eastcott
patent: 3267251 (1966-08-01), Anderson
patent: 3702913 (1972-11-01), Kazlvaskas et al.
patent: 4163886 (1979-08-01), Omae et al.
Messer Griesheim GmbH
Shaw C. C.
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