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Expired Canadian patentCanada

Apparatus for the separate winding of longitudinally divided strip

CA 1181381 A · Owner: Jagenberg Aktiengesellschaft · Inventors: Schonmeier, Herbert

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

An apparatus is disclosed for the separate winding of longitudinally divided strips onto at least two lap rolls supported upon the upper half of the periphery of a single carrier roll alternately on one side and the other, of a vertical plane passing through the axis of the carrier roll with weight, relieving devices, the forces of which are adjustable engaging with support, axles of the lap rolls. Winding carriages displaceable longitudinally along a cross member are provided, the carriages being adapted to be adjusted in pairs to the width of the strips to be wound and therefore to be aligned with the cutting locations, the weight relieving devices being arranged upon the carriages. …

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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 January 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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.
FiledJanuary 28, 1982
GrantedJanuary 22, 1985
Term endedJanuary 22, 2002
Patent numberCA 1181381 A
Classification (IPC)B65H75/00 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJan 28, 1982Patent grantedJan 22, 1985Term endedJan 22, 2002

Sources & verification

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