Directional filter

Details Directional filter Directional filter

Filed on

1975-02-06

Date issued

1978-08-08

Examiner

Spear, Jr., Frank A.

Patent Class

Liquid purification or separation

SubClass

With repair or assembling means

Other Related Categories

210444, 210489, B01D 2502

Type

Patent

Status

active

Patent number

041055616

Description

ABSTRACT:
A filter having a microporous filter sleeve formed from fibres providing pore sizes below 50 microns, supported by a rigid support, and held at each end in a tapered channel in an end cap to compress the end zones of the sleeve. The end caps can be urged towards each other by a tie rod, extending between them, having a nut and screw arrangement. A porous sock may be provided downstream of the filter element, and this can be of plastic material, or of foamed metal, and combined with the rigid support.

REFERENCES:
patent: 3158532 (1964-11-01), Pall et al.
patent: 3186552 (1965-06-01), Cutler
patent: 3241679 (1966-03-01), Walter
patent: 3290870 (1966-12-01), Jensen
patent: 3327864 (1967-06-01), Ball et al.
patent: 3556304 (1971-01-01), Collard et al.
patent: 3715036 (1973-02-01), Hamer
patent: 3868325 (1975-02-01), Otto

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