Gas tungsten arc welding machine with infinite rotating welding head and torch tilt
CA 1295692 C · Owner: Ferranti Sciaky, Inc. · Inventors: Kraatz, Gerald A.; Nelson, Walter A. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a machine for practicing the gas tungsten arc welding process which includes means 5 for rotating the welding torch 28 continuously while welding. Means are provided for feeding the shielding gases feed wire, and electric current to the rotating torch while welding. Means 23 and 24 are also provided for tilting the torch about the point of welding. This invention makes it possible to weld continuously along a spiral path about a cylindrical object or on a flat or irregular surface.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.