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Expired Canadian patentCanada

Apparatus for dispensing cap lining material

CA 1083764 A · Owner: Japan Crown Cork Co. Ltd. · Inventors: Ohmi, Hidehiko

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 for dispensing predetermined amounts of lining material into cap shells, particularly the deeply recessed type which, comprises a conveyor means including a passage for conveying cap shells at predetermined speeds, an extruder means provided above and along the shellconveying passage for extruding predetermined quantities of a lining material through a discharge passage, a blade fitted adjacent to the exit end of the discharge passage and rotatably across it for cutting the lining material and a drive means for rotating the blade in response to the conveying of the cap shells. The drive means is adapted to rotate the blade at a nonuniform speed in response to the speed of shell …

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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 August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 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.
FiledFebruary 15, 1977
GrantedAugust 19, 1980
Term endedAugust 19, 1997
Patent numberCA 1083764 A
Classification (IPC)B29C31/04 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedFeb 15, 1977Patent grantedAug 19, 1980Term endedAug 19, 1997

Sources & verification

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