One-side zinc hot dipping process using an anti- plating agent
CA 1188573 A · Owner: Kawasaki Steel Corporation · Inventors: Yoshihara, Takahisa; Kyono, Kazuaki; Sato, Kuniaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
One-side zinc hot dipped steel sheets are produced by coating one surface of a steel sheet with an aqueous slurry of an anti-plating agent based on Mg9, alkali metal silicates boric acid, MOH (M is alkali metal) and the like and containing such additives as TiO2 and Al2O3, heating the coated sheet for drying and baking, immersing the steel sheet with an antiplating film in a molten zinc bath to zinc plate the other surface of the sheet, wetting the anti-plating film and bending, the steel sheet to cause the anti-plating film to peel off thereby removing the anti-plating film from the steel sheet. This invention carries out the coating and baking of the antiplating agent such that it is …
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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 11, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2002.
- 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.