Seal ring for open head drum

Details Seal ring for open head drum Seal ring for open head drum

1990-02-06

1991-01-08

Marcus, Stephen

Receptacles

Closures

Having means for securing or retaining closure in its closed...

215275, 29225667, B65D 4532

Patent

active

049828649

ABSTRACT:
A closure ring for use with an open head drum utilizes a reduced diameter portion proximal each end thereof to increase the force required to draw the end of the ring together about the drum head and an associated lid and gasket, thereby increasing the compressive force applied to the gasket in the reduced diameter region resulting in greater sealing effect at the junction of the ring ends.

REFERENCES:
patent: 2625295 (1953-01-01), Easterday
patent: 2680536 (1954-06-01), Kojan
patent: 2915330 (1959-12-01), Verbiar
patent: 2968508 (1961-01-01), Campbell et al.
patent: 3346139 (1967-10-01), Armstrong, Jr.
patent: 3447825 (1969-06-01), Santoni
patent: 4076291 (1978-02-01), Pope et al.
patent: 4200316 (1980-04-01), Kennedy

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