Self-sealing filter tube

Liquid purification or separation – With repair or assembling means

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Details

210314, 210488, 210497R, B01D 2704

Patent

active

RE0294470

ABSTRACT:
[A porous support core is prepared from a synthetic polymeric material, which support core is adapted for use with disposable semirigid filter tubes, which core comprises a plurality of individual elements arranged in a stacked interlocking relationship, the elements so structured to form an axial passageway in the stacke elements and flow passages in the wall of the core so formed. The individual disc elements are characterized by a central aperture to form an axial passageway, projecting partitions on one surface to form the flow passage and hook elements on the opposite surface to interlock individual disc elements.]
A cartridge filter and a method of sealing a filter tube in said cartridge filter, the cartridge comprising a semirigid cylindrical porous filter tube composed of a plurality of overlapping nonwoven silicate glass fibers having interstices therebetween, the fibers containing a hardened material at the fiber crossovers, the fibers at the region about the edge of each end of the tube adapted to be compressed together into a self-sealing relation on the application of an axial force, and a pair of end flanges, the facing surface of the end flanges compressing the fibers at the end of the filter tube to provide a peripheral fluid-tight seal between the facing surface and the body of the filter tube.

REFERENCES:
patent: 3064820 (1962-11-01), Gillick, Jr. et al.
patent: 3327864 (1967-06-01), Ball et al.
patent: 3397794 (1968-08-01), Toth et al.
patent: 3543940 (1970-12-01), Schmidt, Jr.

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