Hazardous fluid tank with check valve

Details Hazardous fluid tank with check valve Hazardous fluid tank with check valve

1983-02-10

1985-02-26

Shoap, Allan N.

Receptacles

Container attachment or adjunct

Filling member

137846, 137850, 220 85VS, 220 88R, 296 1C, B60K 1504, B60K 1508, B65B 3902, B65D 2520

Patent

active

045013748

ABSTRACT:
A safety tank for hazardous fluids having a check valve is provided with a filler pipe inserted through a grommet providing a passage for fluids to the interior of the tank. A check valve integral with the grommet prevents reverse flow of the fluid out of the tank as might occur in an accident where the filler pipe or cap is forcibly removed. The tank can be applied to various uses, and existing tanks can be modified by the inclusion of a check valve to encompass the safety features of the present invention. Other embodiments of the tank are provided that include check valves which fit various tank inlet configurations.

REFERENCES:
patent: 1640880 (1927-08-01), Bushnell
patent: 2465628 (1949-03-01), Border
patent: 2576192 (1951-11-01), Poznik
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patent: 3429108 (1969-02-01), Larson
patent: 3450114 (1969-06-01), Miles
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patent: 3478922 (1969-11-01), Mole
patent: 3626713 (1971-12-01), Venable
patent: 3780757 (1973-12-01), Jordan
patent: 3780943 (1973-12-01), Lilja
patent: 3903942 (1975-09-01), Vest
patent: 4079952 (1978-03-01), Nishio
patent: 4135562 (1979-01-01), Martineau

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