Electrical arc-welding torches

Details Electrical arc-welding torches Electrical arc-welding torches

1974-09-13

1976-04-13

Reynolds, Bruce A.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219122, B23K 916

Patent

active

039506290

ABSTRACT:
This invention relates to welding torches of the kind comprising a torch body which incorporates a tubular core having means of clamping a refractory electrode which projects beyond the torch body, flow-means for an arc-gas, which flow-means consists of an annular passage between the electrode and an axial flow-controlling sleeve which is arranged about said electrode and co-axially therewith, and means for circulating water to cool the torch body; and a nozzle for shielding the gas surrounding the torch body with a gap therebetween. Such torches are referred to in the industry as "TIG" torches. In such a torch the invention consists in a combination of several features viz:

REFERENCES:
patent: 1638336 (1927-08-01), Himes
patent: 2761049 (1956-08-01), McElrath et al.
patent: 2798145 (1957-07-01), Vogel
patent: 3692973 (1972-09-01), Oku et al.

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