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US 2006/0076334 A1Published application
Method and apparatus for pulse and short circuit arc welding
AssigneeIllinois Tool Works Inc.
InventorsTodd Holverson, Richard Hutchison, James Uecker
Life of this patent
Estimating the term…
Abstract
A method and apparatus for multi process welding includes providing a controlled short circuit output and a pulse output in response to a user selection across a workpiece output stud and a torch output stud.
Claims8
-28. (canceled)
A method of pipe welding comprising:
- providing controlled short circuit welding power across a work stud and a torch stud and performing the root pass using the controlled short circuit power;
- and
- then providing controlled pulse welding power across the work stud and the torch stud and filling a groove using pulse power.
-54. (canceled)
Dependencies are inferred from the claim text.