Method of homogenizing the constitution of a web of paper

Details Method of homogenizing the constitution of a web of paper Method of homogenizing the constitution of a web of paper

1993-11-05

1995-03-28

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621682, 1621683, 162183, 162322, 162DIG11, 162336, 162343, D21H 2306

Patent

active

054013631

ABSTRACT:
A method of manufacturing a web of fibers, especially a web of paper. The pulp is uniformly distributed through an outlet over the width of the machine and along a wire or between two wires. Most of the moisture is subsequently extracted from the pulp accommodated on or between the wires at a draining point. Various amounts of retaining agents are added to the pulp at sections across the headbox and the web in order to control the level of retention sectionally.

REFERENCES:
patent: 2693415 (1954-11-01), Schur
patent: 3589980 (1971-06-01), Salomon
patent: 4294656 (1981-10-01), Beck et al.
patent: 4517285 (1985-05-01), Woodward et al.
patent: 4940512 (1990-07-01), Hendren et al.
patent: 4952280 (1990-08-01), Hemel et al.

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