Method of and apparatus for initiating a welding arc

Details Method of and apparatus for initiating a welding arc Method of and apparatus for initiating a welding arc

1998-04-01

2000-06-13

Shaw, Clifford C.

Electric heating

Metal heating

By arc

2191305, B23K 9067

Patent

active

060752246

ABSTRACT:
A method and apparatus for initiating a welding arc includes a controller coupled to a power circuit for enabling the power circuit a predetermined time after an arc starter circuit has applied an arc starting signal at the power output of a welding device. The apparatus further includes a protective gas source for providing a protective gas, such as argon or helium, to the welding site. The arc starting signal ionizes the gas to aid in initiating the welding arc.

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patent: 5308952 (1994-05-01), Bunker et al.
patent: 5705790 (1998-01-01), Klebl et al.
patent: 5773792 (1998-06-01), Hagiwara et al.

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