Container with captive cap and internally valved closure

Details Container with captive cap and internally valved closure Container with captive cap and internally valved closure

1989-08-22

1991-08-13

Huppert, Michael S.

Dispensing

Axially rotary and longitudinally movable tubes, sleeves, or...

222549, 215338, B67D 300

Patent

active

050389670

ABSTRACT:
A one-piece closure cap for a dispensing container. The cap, which is captive on the container body, is threadedly mounted for restricted rotation on the neck of the container so that upon elevation of the cap there is established a product release passage from the mouth of the container through product discharge ports formed in a surmounting top wall of the cap. Mechanical stops are provided to limit the degree of threaded rotation of the closure cap on the neck of the container to preclude inadvertent separation of the cap from the body of the container. The container neck is also formed adjacent an upper end thereof with a radially outwardly extending annular sealing bead which engages and stressingly abuts a circumscribing facing inner wall of the cap to prevent contents of the container from contaminating the threads of the closure assembly.

REFERENCES:
patent: 730367 (1903-06-01), Hall
patent: 757912 (1904-04-01), Grapewine
patent: 920273 (1909-05-01), Coons
patent: 1590822 (1926-06-01), Heath
patent: 2165825 (1939-07-01), Bultzingslowen
patent: 2915227 (1959-12-01), Quint
patent: 3317093 (1967-05-01), Moran
patent: 4289248 (1981-09-01), Lynn
patent: 4412634 (1983-11-01), Bennett

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