Method for steel strip coating and a steel strip provided with said coating
CA 2597774 C · Owner: Hofmann, Harald · Inventors: Topalski, Slavcho; Hofmann, Harald; Schuhmacher, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method for coating steel strips comprising, in % by weight, C: <= 1.6% Mn: 6 - 30%, Al:, <=10%, Ni: <=10%, Cr: <=10% Si: , <= 8%, Cu: <= 3%, Nb:, <=0.6%, Ti: <=0.3% V: 0.3%, P: <= , 0.1%, B: <= 0.01%, the rest being iron and unavoidable impurities which method , makes it possible to also provide such steel strips which , up to now were not adequately coatable with a metal , coating ensuring outstanding corrosion-resistance and good welding properties. This is ensured in the method according to the invention by applying an aluminium layer to the steel strip before final annealing and applying the metal coating to said aluminium layer after final annealing. The …
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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 February 1, 2006 and granted October 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 1, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.