Inert gas distributor attachment for arc welding torches

Details Inert gas distributor attachment for arc welding torches Inert gas distributor attachment for arc welding torches

1981-12-04

1984-03-13

Enval, Jr., Roy N.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 72, B23K 916

Patent

active

044369778

ABSTRACT:
An elongated hollow housing is attached to an inert gas arc welding torch in a position extending rearwardly of the electrode parallel to and trailing the direction of movement of the torch during welding, and a source of inert gas is coupled to the interior of the housing. The housing serves to distribute inert gas over a sufficient length of produced weld extending from and trailing the puddle of molten metal that said length of weld is protected with inert gas until it is cooled to a temperature at which is not adversely affected by atmospheric oxygen and nitrogen. The housing may be completely open at its side facing the work to be welded, or said side may be formed as a perforated wall. Also, said side may be contoured to substantially match the contour of the work to be welded.

REFERENCES:
patent: 918225 (1909-04-01), Townley
patent: 2856510 (1958-10-01), Jones et al.
patent: 2866074 (1958-12-01), Ronay
patent: 3868489 (1975-02-01), Ayers
patent: 3875364 (1975-04-01), Boyett
patent: 4005305 (1977-01-01), Nelson et al.

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