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Expired Canadian patentCanada

Ingot mould for electromagnetic centrifugal continuous casting

CA 1050725 A · Owner: Institut De Recherches De La Siderurgie Francaise · Inventors: Birat, Jean-Pierre; Vedda, Louis

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Ingot mould for continuous casting for setting the molten metal into rotation about the casting axis by means of an electromagnetic inductor with revolving magnetic field. This annular electromagnetic inductor is immersed in an upper water chamber and arranged about and in contact with a tubular jacket over a substantial portion of the length thereof. The design and particular arrangement of the different parts of the mould enable said parts to be removed or separated from one another very readily. It is also possible to cast in the same mould products of different forms and sizes.

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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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 20, 1979
Term endedMarch 20, 1996
Patent numberCA 1050725 A
Classification (IPC)B22D11/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 20, 1979Term endedMarch 20, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.