Filter for fish pond

Details Filter for fish pond Filter for fish pond

1976-10-14

1977-11-15

Spear, Jr., Frank A.

Liquid purification or separation

Filter

Medium, cleaner or agitator moved by fluid

210460, 210488, B01D 2500

Patent

active

040584658

ABSTRACT:
A filter structure includes a central perforated cylinder surrounded by flexible separable filter units of self-standing porous material through which water is drawn by a pump connected to a cylinder for filtering algae and the like from the water. The central cylinder is apertured at the junction of separate filter units so that water may be drawn through the structure even though the filter units become clogged with filtered material.

REFERENCES:
patent: 1758412 (1930-05-01), Sheppy
patent: 2837032 (1958-06-01), Horsting, Sr.
patent: 3160588 (1964-12-01), Alarie
patent: 3947362 (1976-03-01), Etani

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