Apparatus for dewatering fiber suspension for producing a web of

Details Apparatus for dewatering fiber suspension for producing a web of Apparatus for dewatering fiber suspension for producing a web of

1979-06-08

1981-08-25

Smith, William F.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162203, D21F 900

Patent

active

042857686

ABSTRACT:
The invention relates to apparatus for the production of a web of fiber by dewatering a suspension of fibrous material between a pair of rotating strips, at least one of which is water permeable, wherein the suspension follows a curved path between the strips. The invention seeks to avoid or at least reduce undesirable pressure gradients along the flow path of the suspension by controlling the radius of curvature of at least one of the strips according to a formula.

REFERENCES:
patent: 3236724 (1966-02-01), Wallstrom
patent: 3746613 (1973-07-01), Vaulkonen
patent: 3992253 (1976-11-01), Schiel

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