Arc welding torch

Details Arc welding torch Arc welding torch

1984-08-10

1986-12-09

Paschall, M. H.

Electric heating

Metal heating

By arc

219121PJ, 219121PP, 219121PR, 219 75, B23K 900

Patent

active

046281770

ABSTRACT:
A plasma arc welding torch which provides a leak-free method of conveying a plasma arc through a replaceable orifice onto a workpiece. An electrode holding assembly concentrically aligns an electrode with respect to this orifice and an electrode setting tool secures this electrode a specific known distance from a surface of this orifice. Plasma gas and orifice gas travel through passageways in the torch and are discharged out of the torch surrounding the electrically generated arc. A cooling fluid is circulated within a cooling chamber located adjacent to this orifice to reduce the temperature of this torch.

REFERENCES:
patent: 3304402 (1967-02-01), Thorpe
patent: 3557337 (1971-01-01), Sipos et al.
patent: 3858072 (1974-12-01), Dembovsky
patent: 4146654 (1979-03-01), Guyonnet
patent: 4367393 (1983-01-01), Yerushalmy et al.
patent: 4389559 (1983-06-01), Rotolico et al.

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