Aquarium filtering system

Details Aquarium filtering system Aquarium filtering system

1980-01-02

1981-08-04

Granger, Theodore A.

Liquid purification or separation

Structural installation

Closed circulating system

210387, E04H 320

Patent

active

042820952

ABSTRACT:
An aquarium filtering system utilizing an immersible housing having perforations on two opposed surfaces, an external supply and take-up means for filter material. The immersible housing and the portion of the filtering system positioning the supply and take-up of filter material act jointly to form a structure for positioning the filtration system in an aquarium, and storing the filter material outside of the aquarium unless in use. A fluid conduit is provided in the immersed portion of the housing for introduction and/or removal of the aquarium medium. Guides are provided over the edges of the system in order to control motion of the filter medium, and overflow control is provided above the aquarium water level in the immersed portion of the housing.

REFERENCES:
patent: 3169922 (1965-02-01), Homboseel
patent: 3244287 (1966-04-01), Staunem et al.
patent: 3310172 (1967-03-01), Belluhn
patent: 3359709 (1967-12-01), Revell
patent: 3364662 (1968-01-01), Revell
patent: 3757949 (1973-09-01), Halvorsen et al.
patent: 3815547 (1974-06-01), Willizer et al.
patent: 4005018 (1977-01-01), Wymon et al.
patent: 4026719 (1980-06-01), Javius

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