Illinois Tool Works Inc.
SYSTEM FOR TIG SHIELDING GAS PREFLOW, POSTFLOW, AND ARC STARTING
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Abstract:
A welding-type system for gas tungsten arc welding including control circuitry to control the initiation of a welding arc and the preflow and postflow of inert shielding gas based on sensed voltages.
Status:
Application
Type:
Utility
Filling date:
1 Nov 2019
Issue date:
7 May 2020