Pre-stretched film, and apparatus and a method for outer packaging
CA 2191663 C · Owner: Jaconelli, Georges · Inventors: Jaconelli, Georges; Martin-Cocher, Jean-Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a pre-stretched film, and to apparatus and a method of applying outer packaging to packages and to loads, optimized as a function of the structure and in particular the shape of the package or the load, in particular a palletized load and also as a function of the-transport and handling that the package or the load must be capable of withstanding without the outer packaging being dislocated. According to the invention, a stretchable film is stretched over at least one roller of diameter that varies along its axis of rotation so as to form parallel longitudinal zones in the film that have different degrees of stretching. These zones make it possible in …
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 November 29, 1996 and granted August 21, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 29, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2018.
- 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.