Dispensing – With recorder – register – indicator – signal or exhibitor – Audible
Patent
1991-02-11
1992-05-12
Hajec, Donald T.
Dispensing
With recorder, register, indicator, signal or exhibitor
Audible
222519, 222542, 222549, B67D 532, B67D 300
Patent
active
051119676
ABSTRACT:
A twist open, twist close outer plastic cap with a modified container neck having multiple annular fluid seals and a dispensing aperture located on an outer annular beveled corner of the cap. The twist open/close closure involves raising and lowering the cap on cooperatively structured threads on the neck of the container and interior of the outer plastic cap. Two different consistencies of plastic material are used to structure the outer cap to provide a relatively rigid outer cap structure having a relatively soft interior surface for improved sealing against the neck of the container. A first stop block is located on the lower exterior of the container neck, and a second stop block aligned for abutment with the first block is located on the lower interior of the cap to limit rotation of the outer cap. Cooperative alignable structures between the outer cap and the neck of the container causes a definite snap or vibration in the outer cap at about the moment the dispensing aperture is fully opened to alert the user to the open condition.
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patent: 3834596 (1974-09-01), Brady et al.
patent: 4477002 (1984-10-01), Stull
Bomberg Kenneth
Hajec Donald T.
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