Pressure device and seal for filter belt machines

Details Pressure device and seal for filter belt machines Pressure device and seal for filter belt machines

1987-08-10

1989-05-30

Hastings, Karen

Liquid purification or separation

Filter

Movable medium

100151, 100154, 162272, 162358, 210231, 210386, 210783, 277 34, 277226, 277DIG7, B01D 3304, B30B 504, B30B 506

Patent

active

048348848

ABSTRACT:
A pressure device for machines for dewatering or filtering of suspensions, sludges or the like or for material to be pressed for the exertion of surface pressure on at least one circulating pressure belt which can be provided for supporting an equally circulating filter belt, which pressure device consists of an essentially completely hollow pressure bladder in the form of a closed frame in particular of essentially quadrangular shape viewed in top view of the pressure belt, which pressure bladder is subjectable to pressure medium and forms a very small, self-adjusting gap on the edge.

REFERENCES:
patent: 3788651 (1974-01-01), Brown et al.
patent: 3821928 (1974-07-01), Sugita
patent: 3839147 (1974-10-01), Daane
patent: 3970515 (1976-07-01), Busker
patent: 4420359 (1983-12-01), Goldsworthy
patent: 4492611 (1985-01-01), Meinander
patent: 4537408 (1985-08-01), Pankoke
patent: 4555988 (1985-12-01), Pankoke
patent: 4600203 (1986-07-01), Miller et al.
patent: 4632722 (1986-12-01), Pankoke
patent: 4693177 (1987-09-01), Pankoke
patent: 4723484 (1988-02-01), Held

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