Method and device for unpacking a stack in a sleeve
CA 2392767 A1 · Owner: Can Systems Worldwide B.V. · Inventors: Peter, Erwin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and device for unpacking a stack of products packaged in a sleeve, such as a stack of covers for cans for instance drink , cans, comprising of: removing a portion of the sleeve located on a longitudinal end; peeling away the sleeve over the stack with a relative movement of the stack and the sleeve; and separately discharging the stack without the sleeve.
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 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 1, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 1, 2022.
- 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.