Double-wall underground tank

Details Double-wall underground tank Double-wall underground tank

1985-05-28

1987-06-30

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

220426, G01M 332

Patent

active

046760938

ABSTRACT:
A double-wall tank having inner and outer walls bonded to connecting hollow annular ribs. A passageway through the ribs enable leak-detecting liquid to fill the spaces between ribs, within ribs, and between end caps.

REFERENCES:
patent: 1675258 (1928-06-01), Dawsey
patent: 1863736 (1932-06-01), Willauer
patent: 2503339 (1950-04-01), Jandus
patent: 2927437 (1960-03-01), Rae
patent: 3941272 (1976-03-01), McLaughlin
patent: 4537328 (1985-08-01), Keesee et al.

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