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Expired Canadian patentCanada

Method and apparatus for cooling a moving chill substrate

CA 1192017 A · Owner: Allied Corporation · Inventors: Hubbard, James R.; Friedmann, Paul G.; Zingler, Christian J.

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

Abstract, A cooling apparatus and related method for a continuous casting apparatus includes a series of spray nozzles for spraying a coolant against one surface of a moving chill substrate. The invention apparatus includes an enclosure having vacuum applied thereto for preventing migration of the sprayed coolant from the surface against which it is sprayed to the surface contacting the molten solidifying material. Any coolant having a tendency to escape along sealed edges of the enclosure is forced back into the enclosure by the pressure gradient. The edges are sealed by elongated plastic rods. Additionally, scrapers are provided for removing remanent coolant from the sprayed surface. 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 August 20, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2002.
  • 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 3, 1982
GrantedAugust 20, 1985
Term endedAugust 20, 2002
Patent numberCA 1192017 A
Classification (IPC)B22D11/12 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedDec 3, 1982Patent grantedAug 20, 1985Term endedAug 20, 2002

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