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Expired Canadian patentCanada

Article conveyance device

CA 1215341 A · Owner: Tetra Pak International Aktiebolag · Inventors: Inoko, Kenji

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract:, The present invention relates to an article conveyor system. The system is comprised of a conveyor which is travelling at a predetermined fixed speed. A vertical belt unit is provided which is comprised of two belts which travel at a speed lower than said predetermined fixed speed. The two belts are separated by a distance which is flexibly adjustable to the width of the articles. The belts slow down articles moving on the conveyor and separate them by a predetermined distance from one another when the articles leave the belt unit. The invention can further include a pusher which removes the articles in a, perpendicular manner from the conveyor. A second conveyor is located at …

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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 December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 24, 1983
GrantedDecember 16, 1986
Term endedDecember 16, 2003
Patent numberCA 1215341 A
Classification (IPC)B65G15/10 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedOct 24, 1983Patent grantedDec 16, 1986Term endedDec 16, 2003

Sources & verification

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