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Expired Canadian patentCanada

In-mold label dispenser of blow molding machine

CA 1252261 A · Owner: Plastipak Packaging, Inc. · Inventors: Ziegler, William E.

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

An in-mold label dispenser (20) for a plastic blow molding machine of the rotary wheel type is disclosed as including a base (50) on which a carrier arm (52) is pivotally mounted by a support (58) to swing a dispensing, head (60) on the carrier arm along a curved path between withdrawn and inserted positions with respect to mold sections (32) of an adjacent open mold (28) on the machine wheel (24). At least one label carrier (62) is mounted on the dispensing head for movement between retracted and extended positions, and at least one label magazine (64) is located adjacent the dispensing head with the carrier arm in the withdrawn position. A drive mechanism (66) of the label dispenser (20) …

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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 April 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 11, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 24, 1986
GrantedApril 11, 1989
Term endedApril 11, 2006
Patent numberCA 1252261 A
Classification (IPC)B29C49/20 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMarch 24, 1986Patent grantedApril 11, 1989Term endedApril 11, 2006

Sources & verification

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