Sheet set separation using wide folded strips
CA 2058372 A1 · Owner: Pitney Bowes Inc. · Inventors: Luperti, Harry E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and a method are disclosed for associating a relatively wide strip with a set of stacked sheets. The strip which may be a paper tape, is positioned to intersect a path along which a set of sheets such as paper sheets is advanced. The sheet set is advanced towards the strip and a nip is formed by a pair of opposed belt conveyers so that the downstream edge of the sheet set engages the strip and carries the strip into the nip of the belt conveyers where the strip is folded at least once to the sheet set adjacent the downstream edge of the sheet set. The strip is indexed from a roll to the position in the path of the sheet set. The strip is tensioned and is drawn against a knife edge …
Read the whole patent
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 December 23, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2013.
- 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.