Device for guiding backwater produced in a paper machine
CA 2320504 A1 · Owner: Voith Sulzer Papiertechnik Patent Gmbh · Inventors: Gmeiner, Anton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and process for guiding portions of backwater produced or stored at different levels of a machine. The apparatus includes an upper backwater chamber, arranged to receive first backwater a lower backwater chamber arranged below the, upper backwater chamber and to receive at least a portion of the first backwater from, the upper backwater chamber. A plurality of hydraulic lines are arranged to couple the, upper backwater chamber to the lower backwater chamber and inlet openings of , the, plurality of hydraulic lines are arranged inside the upper backwater chamber and are, arranged at different geodetic heights relative to one another. The process includes, collecting first …
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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 September 22, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 22, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 22, 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.