Method of producing a steel sheet plated with zn-mg alloy superior both in plating adhesion and corrosion resistance, and steel sheet plated with the same
CA 2028159 C · Owner: Kimura, Hajime · Inventors: Nakakoji, Hisatada; Kimura, Hajime; Yasuda, Akira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plated steel sheet is produced by an electroplating in a plating bath of about 350 to 500°C containing a chloride of Zn a chloride of Mg and one, two or more of chlorides of Na K and, Li, with a plating current density ranging between about 20 and 350 A/dm. The Zn-Mg alloy plated steel sheet superior both in plating adhesion and corrosion resistance has a plating layer formed on at least one surface thereof in an amount of about 10 to 60 g/m, and by electroplating in a bath of a fused salts the, plating layer containing about 1 to 35 wt% of Mg about 0.5 to, 25 wt% of mean value of Fe and the balance substantially Zn and incidental inclusions. The Fe content in the plating layer has such a …
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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
- Filed October 22, 1990 and granted July 22, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 22, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2012.
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