Receptacles – Closures – With condition responsive vent or valve
Patent
1995-08-01
1996-11-19
Shoap, Allan N.
Receptacles
Closures
With condition responsive vent or valve
137382, 220 891, 220373, 220724, B65D 5116, B65D 9034
Patent
active
055753973
ABSTRACT:
A double-walled tank assembly having a passageway from an inner tank to an outer tank, the passageway having an outer opening, and a cover removably mounted over the outer opening of the passageway to seal the passageway. The cover has a pressure relief vent and a plate suspended from the cover, within the passageway, below the pressure relief vent, and above the opening in the inner tank. In the event of liquid surging within the tank, the plate prevents the liquid from impinging against the pressure relief vent. In addition, in order to prevent tampering with the pressure relief vent, the cover has an enclosure around the pressure relief vent to prevent tampering.
REFERENCES:
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patent: 953052 (1910-03-01), McCarty
patent: 967895 (1910-08-01), Frederick
patent: 1459817 (1923-06-01), Bingay
patent: 2028756 (1936-01-01), Crecca et al.
patent: 2918192 (1959-12-01), Dedman
patent: 3128899 (1964-04-01), Runo
patent: 3140006 (1964-07-01), Nelson
patent: 3381846 (1968-05-01), Lee
patent: 4685327 (1987-08-01), Sharp
patent: 4960222 (1990-10-01), Fields, III
Kopsidas Niki M.
Shoap Allan N.
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