Closure for containers for liquid

Details Closure for containers for liquid Closure for containers for liquid

1994-07-08

1998-04-28

Shaver, Kevin P.

Dispensing

With refill preventing means

215 21, 22215307, 222547, B65D 4902

Patent

active

057434379

ABSTRACT:
A reusable closure for placement within the neck of a returnable and reusable container for liquid includes an improved sealing device for preventing contamination of the container. The sealing device achieves a tight seal between a ball and a valve seat within the closure. A cap abutment or spring may optionally be provided to further enhance the tightness of the seal.

REFERENCES:
patent: 2078251 (1937-04-01), Jesnig
patent: 2110261 (1938-03-01), Ciucci
patent: 2673655 (1954-03-01), Greene
patent: 2835411 (1958-05-01), Scheminger, Jr.
patent: 3179300 (1965-04-01), Davidson et al.
patent: 3399811 (1968-09-01), Miller
patent: 4232795 (1980-11-01), Vigna
patent: 4382520 (1983-05-01), Aleff
patent: 4458817 (1984-07-01), Guala

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