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Expired Canadian patentCanada

Zigzag folding apparatus for a form printing machine

CA 1310024 C · Owner: Kurokawa, Tsukasa · Inventors: Kurokawa, Tsukasa; Hanyu, Akinobu

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

A zigzag folding apparatus for a form printing machine has a guiding device far paper feeding disposed in the front end thereof, folding arms for folding paper form blanks in a zigzag along their respective transversely perforated lines through rightward and leftward swing movements thereof effected by crank shafts, and a plurality of rotary spirals for arranging the paper blanks folded by the folding arms in a pile through guiding along the fold lines of the same. Particularly the crank shafts are, connected via a rotating transmission mechanism of gearing to a servo motor for folding drive which is controlled with control signals. Additionally, the apparatus has a device for rightward and …

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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.
FiledNovember 3, 1987
GrantedNovember 10, 1992
Term endedNovember 10, 2009
Patent numberCA 1310024 C
Classification (IPC)B65H45/00

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 3, 1987Patent 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.