Machine and method for the production of rolls of impregnated web material
CA 2392573 A1 · Owner: Fabio Perini S.P.A. · Inventors: Biagiotti, Guglielmo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A peripheral winding machine for the production of rolls of wound web material is described, comprising a feed path for the web material (N) winding means , (1, 3, 5) for winding said web material into rolls (L) and a zone for , interruption of the web material along said feed path and upstream of said winding means, characterized in that it comprises applicator members (7B) for applying a moistening product to said web material upstream from said winding means and downstream from said interruption zone.
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 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 28, 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.