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Expired Canadian patentCanada

Can lid feeder

CA 1309965 C · Owner: Takagi, Koichi · Inventors: Mihara, Hirokata; Tashiro, Katsunori; Takagi, Koichi

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

The known can lid feeder in a can seamer having a separator for can lids which projects from the outside towards a drop hole provided in a cylindrical body at the bottom of a hopper in the can lid feeder in the can seamer and which separates dropped and stacked can lids one by one from the bottom of the stack, is improved in -that a rotary shaft of the separator is supported from a swinging gear box in a freely swingable manner, the swinging gear box is swingable so that the separator can move in the radial direction with respect to the cylindrical body having the drop hole, and after a side surface of the swinging gear box has been brought into contact with the outer circumferential …

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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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 29, 1988
GrantedNovember 10, 1992
Term endedNovember 10, 2009
Patent numberCA 1309965 C
Classification (IPC)B65B7/28

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 29, 1988Patent grantedNov 10, 1992Term endedNov 10, 2009

Sources & verification

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