Fluid filter medium including a tubular fabric member

Details Fluid filter medium including a tubular fabric member Fluid filter medium including a tubular fabric member

1989-11-14

1991-05-07

Dawson, Robert A.

Liquid purification or separation

Filter

Receptacle and modified spacing surface or support for...

210457, 210487, 2104931, 55497, B01D 2706

Patent

active

050134388

ABSTRACT:
An improved fluid filter medium, including a fabric member having a plurality of folds that are seamed at the top and bottom to form a fabric sleeve with pockets, such pockets being configured to enclose the leaves of a filter element frame. A tubular seal is seemed to each end of the fabric sleeve and filled with a resilient material to form a compressible seal. Each tubular seal is configured to be compressed between the central cylindrical perforated core of the filter element frame and a sealing plate or flange such that, upon compression, the tubular seal forms a seal between the sealing plates or flanges and the fabric sleeve.

REFERENCES:
patent: 1218848 (1917-03-01), Foster
patent: 2420414 (1947-05-01), Briggs
patent: 3486626 (1969-12-01), Close
patent: 3633753 (1972-01-01), Petitjean
patent: 3633757 (1972-01-01), Madern
patent: 4615803 (1986-10-01), Tarala

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