Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1980-08-27
1982-01-05
Goldberg, Elliot A.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
219136, B23K 916
Patent
active
043095887
ABSTRACT:
The torch comprises a collet assembly including a collet body and collet for receiving an electrode; a composite torch head having a barrel shaped end in which the collet assembly is mounted, a tubular shank extending from the barrel shaped end; and a cylindrical handle engaging the tubular shank in a coaxial relation at the forward end thereof. The torch handle has a seal assembly at the rear end thereof for forming a fluid sealed cavity within its interior. A separate power cable and shielding gas hose pass into the cavity through the seal assembly. The shielding gas functions to cool the torch handle and the torch body.
REFERENCES:
patent: 1808541 (1931-06-01), Gillette
patent: 3042791 (1962-07-01), Reeh
Goldberg Elliot A.
Lieberstein Eugene
Union Carbide Corporation
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