Leak-resistant drum seals

Details Leak-resistant drum seals Leak-resistant drum seals

1987-01-23

1987-11-17

Hall, George T.

Receptacles

Closures

Superposed closures for common opening

220288, 220257, B65D 5116, B65D 5118

Patent

active

047068361

ABSTRACT:
Leaks of hazardous materials that are toxic by inhalation are resisted from shipping drums of substantial capacity by an improved drum seal which resists rotation of a plug relative to an overcap which is locked onto the plug.

REFERENCES:
patent: 3946894 (1976-03-01), Simkus
patent: 4004709 (1977-01-01), Simkus
patent: 4136796 (1979-01-01), Dubois et al.
patent: 4316318 (1982-02-01), Mineo

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