Utilizing a magnetic field
CA 1085466 A · Owner: Kobe Steel, Ltd. · Inventors: Nomura, Katsuhiko; Yokota, Hisaaki; Hirakoso, Keiichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a welding process and an apparatus suitable therefor. More particularly the invention, relates to a welding process and apparatus for performing welding in various positions characterized in that a shifting magnetic field is generated in the vicinity of a molten metal pool to induce an eddy current in the molten metal pool whereby, an electromagnetic driving force is caused to act on the molten metal pool to control the shape of the molten metal pool and, welding is carried out while controlling the shape of the molten metal pool in this manner. According to the welding process and apparatus of the present invention the welding efficiency, can be enhanced …
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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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
- 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.