Plasma-arc torch with sliding gas valve interlock

Details Plasma-arc torch with sliding gas valve interlock Plasma-arc torch with sliding gas valve interlock

1986-05-20

1987-09-01

Paschall, M. H.

Electric heating

Metal heating

By arc

219121PP, 219121PM, 219121PQ, B23K 1500

Patent

active

046910948

ABSTRACT:
A plasma-arc torch includes an interlock in the form of a sliding gas valve which permits interruption of torch operation by closing off fluid flow through the torch when necessary parts such as the electrode, tip, fluid distributor, and/or cup are not in place.

REFERENCES:
patent: 4257450 (1981-03-01), Ollivier
patent: 4450858 (1984-05-01), Acomb
patent: 4489751 (1984-12-01), Acomb et al.
patent: 4516595 (1985-05-01), Acomb
patent: 4558201 (1985-12-01), Hatch
patent: 4580032 (1986-04-01), Carkhuff
patent: 4585921 (1986-04-01), Wilkins et al.
patent: 4590354 (1986-05-01), Marhic et al.

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