Tank tightness test apparatus probe

Details Tank tightness test apparatus probe Tank tightness test apparatus probe

1986-12-04

1988-02-23

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73 498, G01M 326

Patent

active

047262184

ABSTRACT:
A thermal probe for use in a tightness testing apparatus for an underground storage tank provided with a fill pipe extending from ground level down to the tank, and including a mechanical compression, ring-shaped seal which sealingly engages the outer periphery of the access or fill pipe of an underground storage tank and expands to form a leak tight connection therewith.

REFERENCES:
patent: 3331238 (1967-07-01), Kost et al.
patent: 3580055 (1971-05-01), White
patent: 3631895 (1972-01-01), Medina et al.
patent: 4154091 (1979-05-01), McLean
patent: 4571986 (1986-02-01), Fujii et al.

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