Aquarium filter system

Details Aquarium filter system Aquarium filter system

1985-06-25

1986-11-11

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210616, 210169, 2104162, 210460, 210356, 210508, 210150, 119 5, C02F 304, C02F 306, A01K 6304

Patent

active

046221484

ABSTRACT:
A filter assembly for use in filtering and treating contaminated water in an aquarium tank. A filter bag (10) is used for receiving a continuous supply of contaminated water (14) under a predetermined pressure. The walls (12) of the filter bag are made at least partially of a porous filter membrane formed of a matrix of pressure displaceable fibrous material. As the filter clogs with contaminants, bacterial growth and accompanying by-products, the fibrous material is displaced to increase the size of the interstices of the matrix to permit water to continue to flow through the interstices and continue filtering.

REFERENCES:
patent: 2769779 (1956-11-01), Vansteenkiste et al.
patent: 2956507 (1980-10-01), Hutchinson
patent: 2985308 (1961-05-01), Koupal
patent: 3302789 (1967-02-01), Holt
patent: 3549015 (1970-12-01), Willinger
patent: 3630364 (1971-12-01), Johnston
patent: 4209307 (1980-06-01), Leonard
patent: 4263139 (1981-04-01), Erlich

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