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US 2002/0117437 A1Published application
Recirculating filter
OwnerCarlos V. Perry JR.inventor
Life of this patent
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Abstract
A self contained filter for a recirculating tank is used in a septic system. The self contained filter is a mattress-like filter made of woven material encapsulating aggregate material therein. The weave of the mattress-like woven material is smaller than the aggregate material. In another aspect, at least one mattress-like filter is placed within a tank.
Claims23
A filter for use in a recirculating tank, comprising:
- aggregate material;
- and
- a mattress-like woven material encapsulating the aggregate material, a weave of the mattress-like woven material being smaller than the aggregate material thereby preventing migration of the aggregate material.
A recirculating filter system adapted for use in a septic system, comprising:
- a tank;
- at least one mattress-like filter placed within the tank, the mattress-like filter having aggregate material sealed therein.
The recirculating filter system 10, wherein the tank is a precast concrete or a synthetic material.
Dependencies are inferred from the claim text.