Apparatus for dewatering in a paper machine

Details Apparatus for dewatering in a paper machine Apparatus for dewatering in a paper machine

1977-04-25

1979-08-07

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

34119, 162206, 162290, D21F 302

Patent

active

041636880

ABSTRACT:
Dewatering of a paper web is enhanced by steam treatment in the press section of a papermaking machine wherein the web is continuously passed around a substantial sector of a suction roll between two nips formed with the suction roll by a water-receiving roll and a plain roll. A steam box is mounted adjacent the web between the nips to subject the web to treatment steam in that sector. The steam can be saturated or superheated.

REFERENCES:
patent: 2907690 (1959-10-01), Hornbastel et al.
patent: 3097994 (1963-07-01), Dickens et al.
patent: 3560333 (1971-02-01), Douglas et al.
patent: 3655507 (1972-04-01), Nykopp
patent: 3850792 (1974-11-01), Pennington
patent: 3861996 (1975-01-01), Dorfel
patent: 4075056 (1978-02-01), Ely et al.

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