TIG welding torch

Details TIG welding torch TIG welding torch

2008-01-22

2008-01-22

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

C219S075000

Reexamination Certificate

active

07321106

ABSTRACT:
An improved TIG welding torch with a gas nozzle surrounding the fixed electrode and using a high frequency generator remote from the torch to selectively create a short burst of high frequency, high voltage to start or sustain an arc wherein a conductive layer is affixed to the gas nozzle and a conductor grounds the layer and provides shielding that drastically reduces high frequency radiation.

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patent: 6388232 (2002-05-01), Samodell
patent: 6399913 (2002-06-01), Sammons
patent: 3711989 (1988-10-01), None
patent: 2001-138051 (2001-05-01), None
English Translation of JP2001-138051A (machine generated).

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