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Expired Canadian patentCanada

Method and apparatus for continuously casting metal

CA 1286874 C · Owner: Streubel, Hans · Inventors: Flemming, Gunter; Kolakowski, Manfred; Streubel, Hans

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Abstract From the Canadian patent

Apparatus and processes for use therewith are provided for the start-up of the continuous casting of strip metal preferably steel, in which liquid metal is poured into a flared type continuous casting strip-shaped mold equipped with detector means for monitoring the instantaneous surface level of the liquid metal bath formed in the flared zone of the mold, and sensor means for sensing the presence of liquid in the core of the cast strip downstream of the mold and means are further provided responsive to said detectors and sensor for controlling both the rate of pouring the liquid metal, and the start-up and rate of withdrawal of the cast strip to ensure the continuous presence of a liquid …

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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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 25, 1987
GrantedJuly 30, 1991
Term endedJuly 30, 2008
Patent numberCA 1286874 C
Classification (IPC)B22D11/08 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedFeb 25, 1987Patent grantedJuly 30, 1991Term endedJuly 30, 2008

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