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Expired Canadian patentCanada

Method and apparatus for quantitatively dividing bread dough

CA 2023912 C · Owner: Rheon Automatic Machinery Co. Ltd. · Inventors: Hayashi, Torahiko

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

A method and apparatus is provided for quantitatively dividing bread dough. The apparatus includes a hopper having vertical side walls. The internal space surrounded by the walls has the same horizontal sectional area at any position along the vertical walls. The apparatus also includes a pair of vertical conveyors extending along the side walls. A dough outlet is formed in the bottom wall of the hopper. A dividing device is located in close proximity to the dough outlet. The vertical conveyors are driven at a speed of X m/ min in line with the, speed of the dough flowing downward on its same level. The dough is continuously and quantitatively divided by the dividing device into small …

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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

  • Filed August 23, 1990 and granted August 23, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 23, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 23, 1990
GrantedAugust 23, 1994
Term endedAugust 23, 2010
Patent numberCA 2023912 C
Classification (IPC)A21C11/02 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedAug 23, 1990Patent grantedAug 23, 1994Term endedAug 23, 2010

Sources & verification

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