B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/09 (2006.01) B23K 9/095 (2006.01) B23K 9/10 (2006.01)
Patent
CA 2455270
A method and apparatus for short circuit welding, or a gas source therefor, includes providing a pulse gas to a welding location and initiating a short circuit welding process. The type of gas being provided is changed after the process has been established. Alternatively, it includes a gas source therefor, and further includes mixing at least two types of gas components and providing the mixture to a welding location, and initiating a short circuit welding process. The mixture is subsequently changed. The process can be a hybrid welding including providing short arc type welding power and intermittently providing pulse type welding power.
Hutchison Richard M.
Kuiper Lori L.
Finlayson & Singlehurst
Illinois Tool Works Inc.
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