Supporting plate for a filter

Details Supporting plate for a filter Supporting plate for a filter

1995-03-14

1997-07-22

Walker, W. L.

Liquid purification or separation

Filter

Movable medium

210498, 2989661, 425197, B01D 2905

Patent

active

056500670

ABSTRACT:
A supporting plate is described for a filter in a fluid filter device, said filter being essentially perpendicular to the flowing direction of the fluid, said supporting plate containing a large number of holes which pass from the front side of the plate to the rear side. Each hole (8) provides in the area of the front side (6) and/or in the area of the rear side (7) a distal section (16, 17) which is increased relative to the smallest cross-section of the hole (8), whereby this distal section (16, 17) is of such a shape, that the total surface of the edges (13, 14) between the holes (8) is decreased.

REFERENCES:
patent: 3018807 (1962-01-01), Clinefelter
patent: 3938925 (1976-02-01), Robert
patent: 4228330 (1980-10-01), Strub
patent: 4442002 (1984-04-01), Morris
patent: 4957630 (1990-09-01), Bratten
patent: 5346383 (1994-09-01), Starnes
Patent Abstracts of Japan, vol. 16, No. 177, Apr. 28, 1992, Publication No. JP 4018322.

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