Method and apparatus for half folding paper sheets
CA 1300183 C · Owner: Luperti, Harry E. · Inventors: Luvara, Anthony; Irvine, Robert; Luperti, Harry E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus for half folding sequentially and nesting a plurality of paper sheets. The apparatus includes a buckle chute folder, the folder having a first pair of feed rollers rotatable at a given velocity and a, device for continuously feeding the paper sheets in shingled relationship at a second velocity greater than the given velocity to the feed rollers. The shingled relationship is defined by an overlap of the sheets of at least one half of the length of the sheets. By using the apparatus and method, any desired number of sheets may be folded sequentially and nested one inside the other.
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
- Granted May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 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.