Closure with enhanced sealing

Details Closure with enhanced sealing Closure with enhanced sealing

1988-09-06

1989-07-04

Norton, Donald F.

Bottles and jars

Closures

Cap type

215343, 215352, 215341, B65D 5302

Patent

active

048442739

ABSTRACT:
A closure having an enhanced seal for withstanding distortion of the closure and the container to which it is attached during sterilization.
An inner plug cooperates with an outer bead to capture the container neck lip and maintain a separate resilient hermetic seal in position between the closure top and the container neck lip.

REFERENCES:
patent: 3074579 (1963-01-01), Miller
patent: 3677430 (1972-07-01), Yates, Jr.
patent: 3844439 (1974-10-01), Demers et al.
patent: 4090631 (1978-05-01), Grussen
patent: 4177905 (1979-12-01), Winchell et al.
patent: 4346812 (1982-08-01), Banich, Sr.
patent: 4383620 (1983-05-01), Mumford
patent: 4540102 (1985-09-01), Wiedmer
patent: 4570811 (1986-02-01), Lecinski et al.
patent: 4709825 (1987-12-01), Mumford

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