Automatic arc-welding method
CA 1303683 C · Owner: Sugitani, Yuji · Inventors: Sugitani, Yuji; Nishi, Yasuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic arc-welding method, which comprises: when welding two objects to be welded together by means of a welding wire along a groove formed between the objects to be welded, continuously determining by calculation a target welding current, with which a depth of penetration agrees with a target value thereof on, the basis of the root gap, the material of the welding wire and the like; continuously determining by calculation a target feeding rate of the welding wire at which, an extension length of the welding wire agrees with a target value thereof, on the basis of the welding current the material of the welding wire and the like; continuously determining by calculation a target …
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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 June 16, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 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.