Membrane plate for plate filter presses

Details Membrane plate for plate filter presses Membrane plate for plate filter presses

1986-06-05

1988-06-07

Fisher, Richard V.

Liquid purification or separation

Sectional chamber press type

Plates or frames

100115, 100211, B01D 2512

Patent

active

047494824

ABSTRACT:
A membrane plate to be assembled with further plates to form a filter press in which a respective filter chamber is formed between the membrane plate and each further plate adjacent thereto, the membrane plate includes a plate member composed of a plate wall portion having a peripheral region provided with a groove, and a continuous plate frame portion surrounding the plate wall portion and secured to the plate wall portion at the peripheral region, a flexible press membrane disposed adjacent the plate wall portion to be acted upon by a pressure medium, the membrane having a continuous bead extending around its periphery and seated in the groove, a retaining frame member disposed adjacent the bead and the periphery of the membrane at the side of the membrane directed away from the wall portion, and elements connecting the frame member to the plate frame portion for permitting movement of the frame member transverse to the plate wall portion between a first position in which the frame member presses the bead into the groove when the plate frame portion contacts an adjacent further plate and a second position in which the frame member protrudes beyond the plate frame portion when the adjacent further plate is out of contact with the plate frame portion.

REFERENCES:
patent: 3656622 (1972-04-01), Heimbach et al.
patent: 4508623 (1985-04-01), Heckl et al.

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