Package employing unique seal

Details Package employing unique seal Package employing unique seal

1986-10-02

1987-12-15

Norton, Donald F.

Bottles and jars

Closures

Cap type

215307, 215354, B65D 5300

Patent

active

047126990

ABSTRACT:
A package includes a container having an upper finish with inner and outer surfaces. The outer surface includes threads adjacent the top of the finish, and the inner surface includes a lower sealing section located solely in a section of the finish spaced downwardly from the upper margin of said finish. A closure for the container includes an inner valve having an outer sealing surface for frictionally engaging only the lower sealing section of the inner finish surface to provide a leak-proof seal for the package.

REFERENCES:
patent: 1876152 (1932-09-01), Sheaffer
patent: 3592349 (1971-07-01), Baugh
patent: 4253581 (1981-03-01), Aichinger et al.
patent: 4299330 (1981-11-01), Walter

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