B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 37/02 (2006.01) B23K 9/28 (2006.01)
Patent
CA 2535679
In accordance with one embodiment, the present invention provides a welding torch nipple for coupling a welding cable and neck assembly to one another. The exemplary nipple includes two hollow tubes: an inner tube disposed in an outer tube. The inner tube includes features that facilitate mating with a welding cable and the outer tube is configured to receive a neck assembly. A dielectric layer disposed between the inner and outer tubes electrically isolates the outer tube from the inner tube, thereby protecting a user from electrical shock, for instance. The dielectric layer includes a stem portion that extends radially into the outer tube, blocking axial separation of the outer tube and the dielectric layer.
Giese William R.
Jansma Jeremy
Warning Robert
Finlayson & Singlehurst
Illinois Tool Works Inc.
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