Process and apparatus for collecting and stapling folded printed sheets
CA 2020803 A1 · Owner: Leu, Willy · Inventors: Leu, Willy; Leu, Willy; Hansch, Egon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and apparatus for collecting and stapling printed products is provided. A self-enclosed track of travel for stapling heads extends around a collector drum having a plurality of supports. A stapling head is assigned to each support. The stapling heads rotate mutually synchronously about the axis of rotation of the drum. While running past a wire section dispenser, each stapling head accepts a wire section from which a staple is formed in a predetermined first region. In a second region the, staple is brought onto the side of the stapling heads facing the supports. In a third region the stapling, heads are lowered onto the printed sheets which are, deposited onto the supports 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
- Filed July 10, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 10, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 10, 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.
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.