Inert gas welding

Details Inert gas welding Inert gas welding

1976-02-24

1978-08-29

Truhe, J. V.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

2191372, B23K 916

Patent

active

041105907

ABSTRACT:
Welding apparatus for inert gas shielded arc welding comprising a welding gun for holding and controlling a non-consumable electrode and including means for supplying inert gas to the welding arc region by way of a gas cup surrounding but spaced from such an electrode when positioned in the gun, the welding gun being further provided with an extended gas shielding wall arrangement protruding a substantial distance beyond the gas cup and capable, either by itself or in combination with a narrow gap weld preparation, of substantially enclosing an electrode in the gun, except for its tip, when the electrode is protruding for a similar distance beyond the gas cup.

REFERENCES:
patent: 3123702 (1964-03-01), Keidel et al.
patent: 3328556 (1967-06-01), Nelson et al.
patent: 3746833 (1973-07-01), Ujiie
patent: 3826888 (1974-07-01), Garfield et al.
patent: 3924095 (1975-12-01), Lucas, Jr.
patent: 3963895 (1976-06-01), Hennion

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