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Expired Canadian patentCanada

Device for loading the guide surfaces of bearing chocks supported in the housing windows of rolling stands

CA 2575328 C · Owner: Sms Siemag Aktiengesellschaft · Inventors: Kipping, Matthias; Brandenfels, Peter; Benfer, Frank

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 device for loading the guide surfaces of bearing chocks (LS) supported in the housing windows (SF) of rolling stands with pressure plates (DP) that can be placed on the guide surfaces and that can be loaded by a hydraulic piston (K) supported in the rolling stand housings (ST) wherein devices, for measuring the pressure and devices (WM) for measuring the displacement of the piston are assigned to the hydraulic piston (K), and wherein the frictional force is eliminated by adjusting well-defined clearances between the bearing chocks (LS) and the guide surfaces.

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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 8, 2006 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 8, 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 8, 2006
GrantedAugust 7, 2012
Term endedJune 8, 2026
Patent numberCA 2575328 C
Classification (IPC)B21B31/02

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 8, 2006Patent grantedAug 7, 2012Term endedJune 8, 2026

Sources & verification

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