Electric heating – Metal heating – By arc
Patent
1991-04-11
1993-03-09
Shaw, Clifford C.
Electric heating
Metal heating
By arc
219 61, 21912163, B23K 9095, B23K 2600
Patent
active
051928507
ABSTRACT:
To regulate welding current and power as a function of welding speed in welding devices for continuous longitudinal-seam welding of metal bands formed into a tube, a speed-dependent voltage value is added to an adjustable fixed voltage value.
REFERENCES:
patent: 3261960 (1966-07-01), Lehnert
patent: 3286074 (1988-11-01), Lehnert et al.
patent: 3619554 (1971-11-01), Klebl
patent: 3626146 (1971-12-01), Smith
patent: 4649256 (1987-03-01), Minamida et al.
Brunn Rainer
Klebl Wolfram
Kabelmetal Electro GmbH
Shaw Clifford C.
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