Method and apparatus for leveling the cross-direction profile of

Details Method and apparatus for leveling the cross-direction profile of Method and apparatus for leveling the cross-direction profile of

1975-06-02

1976-11-02

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

162208, 162252, 162258, 162263, 162297, 162310, 162DIG11, D21F 108

Patent

active

039890856

ABSTRACT:
Undesirable high concentrations of fiber and moisture in the cross-direction profile of a paper stock slurry laid upon a papermachine fourdrinier screen may be selectively dispersed to level the cross-direction profile by impacting the screen carried pond of slurry at 1.5 to 4 feet down from the headbox slice opening with a fluid spray issued under a pressure drive of from 20 to 100 psi. If a cross-direction high concentration of fiber is to be corrected, the appropriate spray fluid to be used is water. If a cross-direction high concentration of water unaccompanied by a cross-directionally aligned high concentration of fiber is to be corrected, the appropriate spray fluid to be used is air.

REFERENCES:
patent: 1989435 (1935-01-01), Wallquist
patent: 2951007 (1960-08-01), Lippke
patent: 3407114 (1968-10-01), Springwell
patent: 3547775 (1970-12-01), Bossen et al.
patent: 3859163 (1975-01-01), Haythornthwaite

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