Apparatus for treating a fibrous web
CA 2398558 A1 · Owner: Voith Paper Patent Gmbh · Inventors: Joos, Uwe; Kahl, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus is described for treating a fibrous web such as in particular a paper and/or board web in, which the fibrous web, on its own or together with at least one supporting belt such as in particular a dewatering belt, press belt, mesh belt and/or the like is guided over at least one moving or stationary supporting surface and, on the side of the fibrous web facing away from such a supporting surface at least, one sealing device is provided. The sealing device comprises a sealing element which is held in a holder which is arranged in the immediate vicinity of the supporting belt without touching the latter it being, possible for the sealing element to be guided out of the holder …
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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 August 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 2024.
- 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.