Pulp agitating device and method having multiple protruding inse

Details Pulp agitating device and method having multiple protruding inse Pulp agitating device and method having multiple protruding inse

1982-07-19

1983-12-13

Alvo, Steve

Paper making and fiber liberation

Processes and products

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

162352, 162374, D21F 154

Patent

active

044203705

ABSTRACT:
Relatively small easily exchangeable wear resistant inserts are mounted in a plurality of lengthwise grooves in a forming board or foil blade of a paper making machine so that a portion of each insert protrudes above the surface of the blade to form cross-machine direction channels on the blade. The channels promote agitation of the pulp stock on the forming fabric as it passes in contact with the blade.

REFERENCES:
patent: 3573159 (1971-03-01), Sepall
patent: 3574054 (1979-04-01), Taylor, Jr.
patent: 3836428 (1974-09-01), McConaughy
patent: 3874998 (1975-04-01), Johnson
patent: 3992254 (1976-11-01), Lehtinen
patent: 4134788 (1979-01-01), Witworth
patent: 4140573 (1979-02-01), Johnson

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