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Expired Canadian patentCanada

Support and lubrication system for continuous casting machine rollers

CA 1050722 A · Owner: Allis-Chalmers Corporation · Inventors: Schmucker, William 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

A roller assembly for such as supporting a strand of metal cast in a continuous casting machine and the like is disclosed as having a shaft adapted to be journaled in supporting arms at axially spaced locations along the shaft. A plurality of axially spaced bearings are mounted on the outer periphery of the shaft. A plurality of axially spaced cylindrical shells are provided with each mounted on the outer periphery of a pair of bearings. At least one axial end of the shaft is bored to define at least four axially inwardly projecting lubricating passages to the bearings. A lubricant measuring and distributing valve assembly is mounted on the bored end of the shaft. The valve assembly has 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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 20, 1979
Term endedMarch 20, 1996
Patent numberCA 1050722 A
Classification (IPC)B22D11/12 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 20, 1979Term endedMarch 20, 1996

Sources & verification

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