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Expired Canadian patentCanada

Liquid-cooled permanent mold for the continuous casting of metals

CA 2549685 C · Owner: Wobker, Hans-Guenter · Inventors: Hugenschuett, Gerhard; Wobker, Hans-Guenter; Rolf, Thomas

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

A liquid-cooled permanent mold for the continuous casting of metals is provided, comprising mold plates made of copper or a copper alloy, which are connected respectively to an adapter plate or a water-cooling tank by clamping bolts the , clamping bolts being fastened to plateau pedestals that protrude in an insular fashion from the coolant side which at least partially extend into a coolant gap formed between the mold plate and the adapter plate or the cooling-water tank, and have a streamlined form adjusted to the flow direction of the coolant. The coolant side has cooling ribs that extend into the coolant gap and are situated from place to place between two adjacent plateau …

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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

  • Filed June 7, 2006 and granted August 27, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 7, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 7, 2006
GrantedAugust 27, 2013
Term endedJune 7, 2026
Patent numberCA 2549685 C
Classification (IPC)B22D11/05

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 7, 2006Patent grantedAug 27, 2013Term endedJune 7, 2026

Sources & verification

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