Packaging laminate, creasing roller, and a layer for use as a packaging laminate
CA 2739634 C · Owner: Tetra Laval Holdings & Finance S.A. · Inventors: Klint, Lotta; Bergholtz, Lars; Johansson, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A packaging laminate includes at least one material layer provided with magnetizable, particles. A roller can be configured to apply crease line patterns on the packaging, laminate while also applying magnetic fields for magnetizing at least some of the, magnetizable particles in the packaging laminate. A method of controlling working, operations on a packaging laminate in a filling machine involves supplying a packaging, laminate to a filling machine wherein the packaging laminate includes at least one, material layer comprising magnetizable particles with at least some of the , magnetizable particles being magnetized particles. The method also involves controlling working, …
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 May 9, 2003 and granted April 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 9, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2025.
- 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.