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Expired Canadian patentCanada

Mold for the continuous casting of steel strip

CA 1286473 C · Owner: Golla, Rainer · Inventors: Golla, Rainer; Streubel, Hans; Kolakowski, Manfred

CIPO record

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

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Abstract From the Canadian patent

The invention provides a mold for continuously casting strip metal. The mold is arranged with a mold cavity having a longitudinal axis parallel to the casting direction and a portion centrally of and in the upstream area of the mold dimensioned to accommodate a pouring tube positioned in the upstream area of the cavity during casting. The width of the cavity in the upstream area is sufficient to provide equal to or greater than a required minimum spacing between the pouring tube and the walls of the mold. The mold comprises (a) side and end walls for the mold arranged respectively to define the cavity and positioned to make the cross-section of the cavity shaped generally as a …

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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 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.
FiledDecember 8, 1987
GrantedJuly 23, 1991
Term endedJuly 23, 2008
Patent numberCA 1286473 C
Classification (IPC)B22D11/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 8, 1987Patent grantedJuly 23, 1991Term endedJuly 23, 2008

Sources & verification

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