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Expired Canadian patentCanada

Stretch blow molding method and machine

CA 1331263 C · Owner: Voss, Hermann · Inventors: Voss, Hermann

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Thermoplastic parisons are fed to a distributing station within a circular array of stationary or orbitable stretch blow molds. A mobile or stationary device serves to transfer parisons from the distributing station to those molds wherein the cavities are ready to accept parisons, and a mobile removing device is used to lift finished stretch blow molded articles out of the respective molds and to deliver them to a take-off station. The transferring and removing devices can be assembled into a unit and can be operated in such a way that removal of one or more articles from one or more first molds takes place simultaneously with insertion of one or more parisons into one or more second molds.

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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 9, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 9, 2011.
  • 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 24, 1989
GrantedAugust 9, 1994
Term endedAugust 9, 2011
Patent numberCA 1331263 C
Classification (IPC)B29C49/04 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMay 24, 1989Patent grantedAug 9, 1994Term endedAug 9, 2011

Sources & verification

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