Aquaria filtration equipment

Details Aquaria filtration equipment Aquaria filtration equipment

1976-03-22

1978-03-28

Chamblee, Hugh R.

Liquid purification or separation

Structural installation

Closed circulating system

119 5, B01D 2318

Patent

active

040813770

ABSTRACT:
Aquarium filtration equipment in the form of an under gravel or sub-gravel filter, the equipment comprising a synthetic plastics plate from the general plane of which a plurality of substantially regularly spaced columns project downwardly, their lower ends being contained in a common plane which is inclined to the general plane of the plate, said plate also comprising means for connecting an airlift or other water circulating means thereto at a location on said plate where the spacing between the inclined general plane of the plate and the common plane containing the lower ends of the columns is at substantially its maximum.

REFERENCES:
patent: 3151069 (1964-09-01), Halpert
patent: 3472381 (1969-10-01), Halpert
patent: 3490416 (1970-01-01), Kelley et al.

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