Method for cooling an aluminum strip during the process of heat treatment
CA 1110446 A · Owner: Sumitomokeikinzokukogyo Kabushikikaisha · Inventors: Kawate, Kenji; Yoshimoto, Hiromu; Okumura, Michitoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for cooling an aluminum strip after heat treatment comprising the steps of: pasing hot aluminum strip in floating mode through a first cooling zone in which the strip is cooled by a floating mode gas at a gradient not exceeding 110°C/m until the temperature of the strip has been lowered to 250°C and thereafter, passing the strip in floating mode through a second cooling zone in which the strip is cooled by floating mode gas at a gradient exceeding 110°C/m to a temperature less than 250°C.
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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 October 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 1998.
- 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.