Method and apparatus for heat treatment of rolled steel plate
CA 1099620 A · Owner: Italsider S.P.A. · Inventors: Parrini, Carlo; Pozzi, Angelo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of thermally treating a rolled steel plate comprising receiving the rolled steel plate after it has been rolled to a final thickness, developing an uniformed temperature distribution within the rolled steel plate greater than a critical temperature of the steel plate and quenching the, steel plate while the temperature distribution thereof is still uniform and still exceeds the critical temperature. The critical temperature may be Arl or Acl.
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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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.