Process and apparatus for metered dilution of fibrous material suspension in or in front of a material intake of a paper machine
CA 2312301 A1 · Owner: Voith Sulzer Papiertechnik Patent Gmbh · Inventors: Schwarz, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process and apparatus for metered dilution of fibrous material suspension in an, apparatus including a material intake. The process includes treating a portion of backwater, drained from the fibrous material suspension in a filter device drawing off a , cloudy filtrate, arising in the filter device forming diluting water from the cloudy filtrate and metering the, diluting water into the fibrous material suspension at a plurality of metering points in the, material intake. The apparatus includes a material intake a plurality of , metering points, coupled to the material intake a fibrous material suspension supply coupled to the material, intake, and a filter device coupled to receive a …
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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 June 20, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 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.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.