Filter press

Details Filter press Filter press

1983-11-23

1985-10-01

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

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

100118, 100154, 162301, 162305, 210400, 210401, D21F 306, D21F 302

Patent

active

045444480

ABSTRACT:
A filter press having a main press with an after-pressing device spaced from the outlet end of the main press which device carries out the final pressing and is composed of at least two press roll pairs (1,2), made up of rolls (3,4,5,6) between which the wires (7,8) belonging to the main press pass with the pulp (9) being filter pressed interposed between the wires and pressed by action of a pressing force (F) directed against the topside rollers (3,5) of the press roll pairs and produced by a force applicator such as a pressure cylinder (10). The pressure ratio (F.sub.1 /F.sub.2) between the topside rollers (3,4) and the bottom side rollers (5,6) is adjustable by the aid of a control setup.

REFERENCES:
patent: 1925972 (1932-07-01), Standley et al.
patent: 2448295 (1948-08-01), Bratton
patent: 2959222 (1960-11-01), Hornbostel
patent: 3600273 (1971-08-01), McCarrick et al.
patent: 3796149 (1974-03-01), Heissenberger

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