Filtering device for an aquarium tank

Details Filtering device for an aquarium tank Filtering device for an aquarium tank

1993-05-27

1994-06-21

Silverman, Stanley S.

Liquid purification or separation

Structural installation

Closed circulating system

210205, 210220, 2104162, 119261, 261DIG75, A01K 6304

Patent

active

053226224

ABSTRACT:
An improved filtering device for an aquarium tank, particularly a filtering device in which a plurality of "U" notches are formed at equal distance in the rim of the cup, the arc section formed by two notches has a lateral rib and the circular connecting rings in the lower portion of the cup allow the cups of the filtering device to be connected easily, the cup can also be rotated freely after connecting. In addition, the suction tube with the impeller, the filtering cotton and the carbon dioxide guide tube as well as the submerged motor combine to function so that carbon dioxide can be dissolved completely in water. Moreover, more oxygen can be generated inside the aquarium tank for healthier fish and plants, the filtered water through the filtering device according to the present invention becomes pure, crystal clear with a whirling and bubbling action.

REFERENCES:
patent: 3295681 (1967-01-01), Robert et al.
patent: 3891555 (1975-06-01), Bennett et al.
patent: 4944871 (1990-07-01), Ogawa
patent: 5006238 (1991-04-01), Tominaga
patent: 5011600 (1991-04-01), Mowka, Jr. et al.
patent: 5131821 (1992-07-01), Miarioni et al.

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