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Expired Canadian patentCanada

Roll casting process and roll casting system for carrying out the process

CA 1293102 C · Owner: Larex Ag · Inventors: Lauener, Wilhelm Friedrich

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Into the spaces (19a,19b) between the cast strip (6) emerging from between the rolls (1,2) where they come closest to each other (3) and the rolls themselves (1,2) a flow of coolant is injected or blown by means of nozzles allocated on both sides of the strip (6). In case of an asymmetric emergence of the strip (6) due to increased adhesion to one of the rolls (1,2) the, resulting asymmetric conditions with respect to cooling effect and pressure of the coolant on both sides of the strip cause the strip to continually be redirected into a symmetric position. This stabilizing effect renders it possible to achieve a much greater length of contact between the cast metal (5) and the rolls (1,2) …

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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 December 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 17, 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 12, 1987
GrantedDecember 17, 1991
Term endedDecember 17, 2008
Patent numberCA 1293102 C
Classification (IPC)B22D11/06 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedFeb 12, 1987Patent grantedDec 17, 1991Term endedDec 17, 2008

Sources & verification

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