Method of producing thin steel sheets having an improved processability
CA 1268402 C · Owner: Obara, Takashi · Inventors: Satoh, Susumu; Tsunoyama, Kozo; Matsuoka, Saiji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
60-278,019 comb. METHOD OF PRODUCING THIN STEEL SHEETS HAVING AN IMPROVED PROCESSABILITY, Abstract of the Disclosure Thin steel sheets having an improved, processability are produced when a steel sheet or cast strip obtained through a continuous casting or strip caster process is subjected to a lubrication rolling step at a temperature of from Ar3 transformation point to 300°C and a rolling speed of not less than 1,500 m/min. By this method the cold rolling step or cold rollingannealing step can be omitted.
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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 May 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.