Combination welding torch for shielded inert gas or electric arc

Details Combination welding torch for shielded inert gas or electric arc Combination welding torch for shielded inert gas or electric arc

1977-05-12

1979-02-27

Grimley, Arthur T.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219144, 219136, 219137R, 219 74, B23K 916, B23K 932

Patent

active

041420861

ABSTRACT:
Welding torch comprises a combination collet body which functions interchangeably for electric arc welding, of the open arc type using a consumable electrode, or for inert gas shielded welding using a non-consumable electrode. The collet body has a screw-threaded collar at one end which is screwed into the welding head. At the other end, it has a slitted or splined chuck. The slightly enlarged central body portion between the collar and the chuck includes a plurality of gas vents. For open arc welding, a consumable electrode, interposed into the chuck, is secured in place by a constricting metal adapter sleeve which also serves to close the gas vents. For inert gas shielded welding, the consumable electrode and the metal adapter are replaced by a nonconsumable electrode and a ceramic shield open at one end. The open vents permit inert gas to escape under the ceramic shield and surround the nonconsumable electrode during the welding process.

REFERENCES:
patent: 2468805 (1949-05-01), Herbst
patent: 2468808 (1949-05-01), Drake
patent: 2842656 (1958-07-01), Neuvirth
patent: 3097290 (1963-07-01), Guida
patent: 3238350 (1966-03-01), Klasson et al.
patent: 3397298 (1968-08-01), Nelson
patent: 3739140 (1973-06-01), Rotilio
patent: 3878354 (1975-04-01), Frantzreb, Sr.
patent: 4049943 (1977-09-01), Pratt

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