Liquid purification or separation – Sectional chamber press type – Plates or frames
Patent
1989-12-12
1991-06-04
Jones, W. Gary
Liquid purification or separation
Sectional chamber press type
Plates or frames
210228, 210229, 100211, 100295, 100194, B01D 25168, B01D 2521
Patent
active
050211552
ABSTRACT:
A filter plate arrangement for a filter press which includes a carrier plate, at least one membrane arranged on the side of the carrier plate having spacing ribs for positioning a filter cloth, a sealing edge frame for securing the membrane to the carrier plate with a fluid-tight connection and a chamber plate secured on an outer surface of the sealing edge frame is characterized by an improved design to limit stressing of the membrane as it moves from a filtering phase to a pressing phase. These improvements include the thickness of the frame adjacent an inner peripheral edge being substantially the same as the height of the spacing ribs and the chamber plate having an olique portion extending from the surface at an angle to a center plane of the carrier plate from a line immediately adjacent the peripheral edge so that during the pressing stage, the membrane will not be subjected to extreme bends to cause rupture or tearing thereof.
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patent: 4235721 (1980-11-01), Nakamura et al.
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patent: 4826593 (1989-05-01), Nev
patent: 4832840 (1989-05-01), Klinkau et al.
patent: 4839045 (1989-06-01), Wildner
patent: 4897190 (1990-01-01), Klinkau et al.
Jones W. Gary
Klinkau Besitzgesellschaft mbH
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