Apparatus and method for inert gas arc welding

Details Apparatus and method for inert gas arc welding Apparatus and method for inert gas arc welding

1977-06-03

1978-07-18

Truhe, J. V.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 75, 219121P, B23K 916

Patent

active

041017510

ABSTRACT:
An arc welding torch terminates in a gas cup open at one end through which an electrode projects. Inert gas is introduced under pressure at the other end of the gas cup and flows past and through a gas diffuser disposed in said gas cup. The diffuser is spaced from the inner wall of the gas cup, and a portion of the gas flows axially parallel to the central axis of the gas cup. The diffuser has a set of passageways to form and direct columns of gas in an outward direction, and another set of passageways to form and direct columns of gas in an inward direction. The diffuser is axially and angularly adjustable to vary the pattern of gas discharge with relation to the arc and to control the contour of the weld bead.

REFERENCES:
patent: 1904104 (1933-04-01), Tobey et al.
patent: 3053968 (1962-09-01), Gorman et al.

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