Double-containment underground piping system

Details Double-containment underground piping system Double-containment underground piping system

1995-06-06

1996-10-22

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

2851331, 405 52, 405128, F16L 100

Patent

active

055670830

ABSTRACT:
A double piping system connected between an underground storage tank and the above ground liquid dispenser is used to provide containment of the pumped liquids from the underground piping system into the environment. The piping system can be tested or replaced from grade without excavating or breaking ground at the installed tank site. Also, disclosed is a method for detecting such leaks and for the gravity drainage of such leaks into a containment chamber.

REFERENCES:
patent: 2546348 (1951-03-01), Schuman
patent: 2956586 (1960-10-01), Zeigler et al.
patent: 3841671 (1974-10-01), Walker
patent: 4644780 (1987-02-01), Jeter
patent: 4787772 (1988-11-01), Wagner
patent: 4805444 (1989-02-01), Webb
patent: 4932257 (1990-06-01), Webb

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