Apparatus for stacking flat articles
CA 1203820 A · Owner: Windmoller & Holscher · Inventors: Achelpohl, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In stacking apparatus for flat articles such as flattened bags radial arms mounted on each of two spaced hubs and having suction nozzles at their leading sides place the articles onto needles. The arms are rotatable about their longitudinal axes. They can be turned outwards through an acute angle by cam and cam follower means and are turned back after the articles have been placed on the needles.
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 April 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 2003.
- 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.