Device for the application of fluid materials to a surface of a strip material
CA 2400718 A1 · Owner: Kiener, Waldemar · Inventors: Rein, Johann; Kiener, Waldemar
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 device for the application of fluid materials to a surface of a strip material (12), comprising an application roller (19) with , a roller body (58) and a jacket surface (59) which, by means of at least , partial contact with the strip material (12) transfers the fluid material to , said strip material (12). Said invention further comprises an application doctor blade (36), with a pre-dosing channel (33) for the supply of the fluid materials leading thereto and which at least partly coats the application roller (19) with fluid material. A flow of a medium is provided in at least one region adjacent to the jacket surface (59) which is directed from the , …
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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 February 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2023.
- 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.