External supported filter

Details External supported filter External supported filter

1977-01-21

1977-11-15

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 65, 55 97, 55524, 427244, B01D 3700, C02B 300, C02C 300, B07B 900

Patent

active

040584569

ABSTRACT:
A method of manufacturing an inside-to-outside flow filter tube and the filter tube so manufactured which comprises: providing a porous tube comprising a wet mat of randomly disposed glass fibers; positioning an external reinforcing sleeve material concentrically about the porous tube; applying an outward force to the porous tube to expand the external diameter of the porous tube into intimate contact with the sleeve material; and drying the tube and bonding the fibers of the tube into an integrally supported filter tube.

REFERENCES:
patent: 3158532 (1964-11-01), Pall et al.
patent: 3707398 (1972-12-01), Charlesworth
patent: 3767054 (1973-10-01), Farrow et al.
patent: 3800945 (1974-04-01), Fowler
patent: 3891417 (1975-06-01), Wade
patent: 3972694 (1976-08-01), Head
patent: 3980565 (1976-09-01), Fowler

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