Zigzag folding apparatus for a form printing machine
CA 1307014 C · Owner: Kawana, Fujio · Inventors: Kurokawa, Tsukasa; Yoneki, Tadayuki; Kawana, Fujio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A zigzag folding apparatus for a form printing machine) having a pair of rolls for outfeeding a paper strip being mounted to folding arms for folding the paper strip in a zigzag one of the folding arms having a swing lever synchronized for swinging motion with the arm, a swing center of the lever coinciding coaxially with the point of contact between both the rolls, so that the rolls can perform an auxiliary folding operation to assist the folding operation of the folding arms under the condition in which the point of outfeeding the paper strip remains stationary; and a swing drive mechanism for activating the swing lever having main shafts on the drive side and out shafts for a swing …
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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 September 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.