Narrow groove welding torch

Details Narrow groove welding torch Narrow groove welding torch

1980-02-29

1982-01-05

Goldberg, Elliot A.

Electric heating

Metal heating

By arc

219136, 21913742, B23K 932, B23K 9225

Patent

active

043095909

ABSTRACT:
A narrow groove welding torch having an internally insulated metallic housing and a rectangular cross section with cooling ducts and shielding gas ducts disposed within the housing.

REFERENCES:
patent: 2436515 (1969-04-01), Swift
patent: 2510415 (1950-06-01), Pitcher
patent: 2544711 (1951-03-01), Mikhalapov
patent: 3048691 (1962-08-01), Longstreth
patent: 3198932 (1965-08-01), Weatlterly
patent: 3204076 (1965-08-01), Browning
patent: 3324225 (1967-06-01), Thostrup
patent: 3514567 (1970-05-01), Strang
patent: 3826888 (1974-07-01), Garfield

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