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Expired Canadian patentCanada

Semi-continuous hot rolling of metal strip and plates

CA 1163121 A · Owner: White Consolidated Industries, Inc. · Inventors: Eibe, Werner W.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A top opening upcoiler and uncoiler for hot rolled strip is adapted for removal of coils broadside by overhead carrying means. The upcoiler/uncoiler comprises a cylindrical housing in scroll form split on a vertical plane into larger and smaller elements. Each element of the housing is pivoted about its lower edge those lower edges being spaced, vertically from each other. An entry guide leads into the space between the lower edges of the elements. Parallel driven coil-supporting rolls at the Same elevation straddling the vertical plane and forming a continuation of the Iower end of the smaller element. Strip contacting means positioned in one housing element can be pressed against or …

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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 6, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 8, 1983
GrantedMarch 6, 1984
Term endedMarch 6, 2001
Patent numberCA 1163121 A
Classification (IPC)B21B1/34 +1 more

Timeline

Timeline From CIPO dates

198419861988199019921994199619982000Application filedFeb 8, 1983Patent grantedMarch 6, 1984Term endedMarch 6, 2001

Sources & verification

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