Monitory closure sealing mechanisms for storage facilities

Details Monitory closure sealing mechanisms for storage facilities Monitory closure sealing mechanisms for storage facilities

1975-10-06

1976-08-17

Hall, George T.

Receptacles

Closures

Externally adjustable plug or gasket

B65D 5300

Patent

active

039749371

ABSTRACT:
A seal mechanism for the closure of a storage facility with means for monitoring and indicating any leakage at the seal. The sealing mechanism includes a chamber for containing gas under pressure which presses a seal against a seat on the storage facility so as to prevent leakage both from the gas chamber as well as the storage facility. Gauge means monitors the pressure in the gas chamber, indicating changes of pressure within the chamber to provide a warning of possible leakage at the seal, and, if desired, additional gauge means to indicate leakage within the storage facility that might be dangerous when said facility is opened.

REFERENCES:
patent: 3266657 (1966-08-01), Stachiw
patent: 3331526 (1967-07-01), Levenson et al.
patent: 3694962 (1972-10-01), McDonald et al.

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