D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 5/06 (2006.01) D21D 5/02 (2006.01)
Patent
CA 2324338
Process and device for fractioning a suspension containing paper fibers, in which the suspension is separated into at least two fractions by a wire with a scraper. The process includes moving the scraper in a substantially parallel relation to the wire so that the wire is kept clear, and a parallel current is created in the suspension with respect to an inlet side of the wire by a rough surface of the scraper, so that the suspension is dragged along the inlet side of the wire with the scraper with minimal slippage of the suspension. The device includes at least one wire having an inlet side with openings; and a scraper having a closed rough surface provided adjacent the at least one wire; wherein the scraper is movable substantially parallel to the inlet side of the at least one wire, whereby clogging of the openings of said wire is substantially provided.
Sim & Mcburney
Voith Sulzer Papiertechnik Patent Gmbh
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