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Expired Canadian patentCanada

Method and apparatus for significantly decreasing undesired variationin the alignment of adjustable continuous caster mold walls

CA 1284267 C · Owner: Usx Engineers And Consultants, Inc. · Inventors: Grove, John A.

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

Improvements are provided in a continuous caster mold for preventing undesired variation in the angular alignment of the narrow mold walls during casting. In one aspect, an improvement is provided in a mechanism for adjusting the spacing and angular alignment of the mold wall so as to enhance the rigidity thereof. An elongated rigidly mounted housing is provided with a slidable member extending through an opening in the housing and connected to the mold wall. A mechanism is provided for adjusting the spacing of the walls by movement of the slidable member back and forth in the housing. A mechanism is provided extending longitudinally through the housing and slidable member for adjusting the …

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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 May 21, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 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.
FiledSeptember 18, 1986
GrantedMay 21, 1991
Term endedMay 21, 2008
Patent numberCA 1284267 C
Classification (IPC)B22D11/00 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedSep 18, 1986Patent grantedMay 21, 1991Term endedMay 21, 2008

Sources & verification

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