Blow molded septic tank and method of manufacture

Details Blow molded septic tank and method of manufacture Blow molded septic tank and method of manufacture

2006-12-05

2006-12-05

Upton, Christopher (Department: 1724)

Liquid purification or separation

Gravitational separator

Heavier constituent trap, chamber, or recess

C210S539000, C220S004130, C220S659000

Reexamination Certificate

active

07144506

ABSTRACT:
A septic tank formed of a blow molded body having an interior and an exterior. The septic tank body is formed from one or more layers of plastic material that are chosen for their chemical, mechanical or other properties. The septic tank body includes a plurality of integral ribs to provide circumferential structurally rigidity and also includes compression molded flange portions to provide axial structural rigidity. Additionally, septic tank covers and riser systems are provided.

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patent: 2002/0153380 (2002-10-01), Wade
patent: 2004/0011786 (2004-01-01), Wade

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