Surface treatment for metal according to fluidized bed system
CA 1084821 A · Owner: Kobe Steel, Ltd. · Inventors: Mizutani, Katuzi; Nishibe, Minoru; Fujii, Sumihide
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surface treatment for a metal according to a fluidized bed system, in which a hot rolled metal is continuously subjected to an in-line treatment to suppress the formation of scale on its surface or to remove the same therefrom and then introduced, into a gaseous fluidized bed of a non-oxidizing gas which con-, tains metal or alloy particles having a low melting point as, fluidized particles, so as to bring the hot rolled metal into contact with the fluidized particles. As a result the, fluidized metal particles or alloy particles may be melted and solidified on the surface of the rolled metal to provide a coating layer of a metal or alloy having a low melting point on the surface thereof. …
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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 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 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
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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.