Dispensing – Supply containers with traps – With trap chamber cutoffs
Patent
1987-03-27
1988-10-18
Rolla, Joseph J.
Dispensing
Supply containers with traps
With trap chamber cutoffs
222450, 222454, G01F 1128
Patent
active
047780878
ABSTRACT:
A dispensing package comprising a container having a neck with an external thread defining an opening and a closure comprising a base wall and a peripheral skirt having internal threads engaging the external threads on the neck of the container. An inner member has a peripheral flange engaging the neck of the container and interposed between the neck and the base wall of the closure. The inner member includes a measuring portion defining a cavity for a predetermined quantity of the contents of the material. The base wall is made of flexible and elastic material and an integral plunger extends axially from the underside of the base wall and has an enlarged end normally sealingly closing an inlet port in the inner member. A hinge top is provided that seals a dispensing opening in the base wall. When the base wall is flexed inwardly, the plunger moves out of sealing engagement with the inlet port and the container can be inverted to permit a predetermined quantity of the contents of the container to move into the cavity of the inner member. The base wall is then permitted to flex back to its original position. When the top is moved out of sealing engagement with the dispensing opening, the predetermined quantity of the contents can be dispensed through the opening in the end wall by tilting the container.
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patent: 4679714 (1987-07-01), Blake
Owens-Illinois Closure Inc.
Parker Stephen B.
Rolla Joseph J.
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