Spill and tamper resistant safety closure

Details Spill and tamper resistant safety closure Spill and tamper resistant safety closure

1977-05-09

1979-01-02

Reeves, Robert B.

Dispensing

Slitted resilient diaphragm or nipple

141348, 222589, B65D 572

Patent

active

041323343

ABSTRACT:
Disclosed is a single piece integrally formed safety closure for a container including a body portion designed for fluid tight engagement with the neck and finish of a container and a depending portion including a passageway which extends into the container. A valve is integrally formed in the side wall of the closure and opens upon insertion of a dropper-dispenser. The valve closes upon removal of the dropper, thereby preventing spillage or inadvertent removal of the contents of the container.

REFERENCES:
patent: 864389 (1907-08-01), Scozzafava
patent: 1241352 (1917-09-01), Doering et al.
patent: 2105615 (1938-01-01), Romeis
patent: 3558022 (1971-01-01), Zytko

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