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Expired Canadian patentCanada

Glue roller in a labelling machine

CA 1093026 A · Owner: Jagenberg-Werke Ag · Inventors: Zodrow, Rudolf

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

In a labelling machine a layer of glue is applied to a rotating glueing roller and a series of glueing pallets moved in succession past the glueing roller have the receiving surface thereof rolled against the glueing roller to transfer a coating of glue to the receiving surface for subsequent application to a label. The gap during this rolling operation between the receiving surface and the glueing roller must be closely controlled. However through malfunction of the machine unwanted label material may be present on the receiving surface when it is rolled against the glueing roller. Therefore it has been customary to make glueing rollers of hard rubber composition but, such rollers are …

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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 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 19, 1979
GrantedJanuary 6, 1981
Term endedJanuary 6, 1998
Patent numberCA 1093026 A
Classification (IPC)B65C9/20 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedJune 19, 1979Patent grantedJan 6, 1981Term endedJan 6, 1998

Sources & verification

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