Method and apparatus for alloying of coatings
CA 1314443 C · Owner: Havas, George · Inventors: Allen, Clayton H.; Sommer, Richard A.; Havas, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method and apparatus particularly adapted for alloying a coating on a stool strip. The invention uses an induction heating furnace to produce a galvannealed product. In particular, the operating frequency to the heating zone of the furnace. Preferably the invention comprises imposing a frequency modulation on the operating frequency of the power signal to the heating coils.
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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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
- 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.