Device for joining films of heat-shrinkable plastic material in a machine using said film
CA 2102874 A1 · Owner: Gatteschi, Emanuele · Inventors: Gatteschi, Emanuele
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In order to make it possible the bobbin (11A) of heat-shrinkable plastic material film to be replaced without stopping the machine which uses it the device, (1) substantially comprises listed in the direction, of film (A-B) unwinding one pair of parallel reels, (2A, 2B), respectively supporting the bobbins (11A 11B) on which the film (A-B) is wound, two sucking mouths (3A, 3B), two cutting devices (4A 4B), a, welding device (6) and an accumulation device (7).
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 10, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2015.
- 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.