Small TIG-arc welding torch

Details Small TIG-arc welding torch Small TIG-arc welding torch

1987-02-09

1988-09-06

Goldberg, E. A.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219136, B23K 928, B23K 916

Patent

active

047695218

ABSTRACT:
A small TIG-arc welding torch which can be well applied for welding of a narrow portion and allow production of a small welding apparatus which is superior in insulation. The welding torch comprises a heat resisting insulator case which covers the entire welding torch except a portion of an electrode. The insulator case has one or a plurality of shield gas spouting holes formed therein through which gas is spouted such that flows or fluxes of gas may surround and isolate the electrode and a welding area around it from the open air.

REFERENCES:
patent: 3288980 (1966-11-01), Rohrberg et al.
patent: 3525845 (1970-08-01), Sipos
patent: 3604889 (1971-09-01), Rohrberg
patent: 4296308 (1981-10-01), Nakahama et al.
patent: 4517433 (1985-05-01), Chmela
patent: 4581518 (1986-04-01), Takahashi et al.

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