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Expired Canadian patentCanada

Method of, and apparatus for, continuous casting a curved strand using a curved rigid dummy bar

CA 1211272 A · Owner: Concast Service Union Ag · Inventors: Ros Navarro, Carlos

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

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Abstract From the Canadian patent

In a curved or arc-type continuous casting installation provided with a curved or arc-type rigid dummy bar the curved dummy bar is separated from the cast strand at the region of the straightener by means of a movable roller. To improve the economy and to increase the decoupling reliability the dummy bar head is provided with a permanent coupling member which is disengageable from the cast strand by performing a pivoting movement. Furthermore the dummy, bar head is pivotably connected or linked to the dummy bar so as to be pivotable about an axis extending transversely with respect to the strand moving direction. For disengagement of the dummy bar head from the cast strand the movable …

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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 September 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 15, 1983
GrantedSeptember 16, 1986
Term endedSeptember 16, 2003
Patent numberCA 1211272 A
Classification (IPC)B22D11/08

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 15, 1983Patent grantedSep 16, 1986Term endedSep 16, 2003

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