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Expired Canadian patentCanada

Mandrel mounting and trip mechanism for continuous motion decorator

CA 1091088 A · Owner: Sun Chemical Corporation · Inventors: Williams, Robert; Skrypek, John P.; Didonato, Russell

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 continuous motion decorator is provided with mandrels pivotally mounted to a carrier wheel and radially positioned by a stationary cam. An individual eccentric operated by an individual power cylinder is interposed, between each mandrel pivot. When an unloaded or misloaded mandrel is detected, the associated eccentric is operated to retract mandrel from the printing blanket. Each mandrel is part of a subassembly including a pair of crank arms that are integrally connected by a section parallel to the axis for the carrier wheel. The mandrel is mounted on one crank arm and cam follower means is mounted on the other crank.

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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 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 29, 1978
GrantedDecember 9, 1980
Term endedDecember 9, 1997
Patent numberCA 1091088 A
Classification (IPC)B41F17/22

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMay 29, 1978Patent grantedDec 9, 1980Term endedDec 9, 1997

Sources & verification

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