Special receptacle or package – For mixing
Reexamination Certificate
1998-12-22
2001-01-09
Fidei, David T. (Department: 3728)
Special receptacle or package
For mixing
C206S222000
Reexamination Certificate
active
06170654
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a closure cap for a drink container, and a drink container carrying such a closure cap.
The closure cap of the present invention is to be associated with a drink container in which a base liquid is received and into which an additive is to dispensed. The additive, may be a vitamin and/or electrolyte supplement as may be consumed by a sportsperson, or an antacid or stomach settling compound, and either in liquid, powdered or dissolvable tablet form.
The primary object of the invention is to retain the additive in the closure and isolate it from the base liquid until such time as the drink is to be consumed, at which time the additive is released into the base liquid.
2. Related Art
It is known to provide a closure cap for a container which allows two substances to be mixed to form a single composite product. Such containers are often used in dentistry or medicine to keep two reagents separate until they are to be used. AU-37210/89 discloses a cap with a push-button that releases an additive when pressed. The composite product is subsequently dispensed by unscrewing the closure cap. U.S. Pat. No. 4,132,308 discloses a screw cap which mixes two substances when the cap is rotated.
It is also known to provide drink containers which allow the combination of two ingredients. GB 2211479 discloses a device for storing mixed drinks where the ingredients are stored in two separate compartments separated by a partition which is ruptured by a punch prior to consumption. U.S. Pat. No. 4,399,158 discloses a container in which an additive is secured within a holder which is held closed by internal pressure until the can is opened at which time the additive is released into the beverage. AU 84745182 discloses a dual compartment beverage container wherein the dividing diaphragm is ruptured by the interaction of a drinking straw with a cutting tool.
SUMMARY OF THE INVENTION
In accordance with the invention there is provided a closure cap having a compartment in which an additive is retained and adapted to be released into the liquid contents of an associated container simultaneously upon opening of the closure cap, the closure cap having a closure means which incorporates a push-pull mechanism movable relative to a body portion of the closure cap, whereby the cap Is opened by pulling a first portion of the closure means to an open position, whereafter the contents of the container may be dispensed through an aperture in said first portion, and wherein the closure cap may be closed by pushing said first portion to a closed position, whereafter spillage of the contents of the associated bottle will not occur.
One advantage of incorporating the means for retaining the additive in the closure cap is that the device may be used in conjunction with a standard drink bottle, hence reducing production costs. A further advantage is that causing mixing and allowing dispensing may be achieved by the same action.
In a preferred embodiment of the invention the closure cap is used in conjunction with a carbonated or still colorless drink product contained in a clear bottle. A tablet is retained within the closure cap which effervesces when released into the drink product. The tablet may typically contain color, flavor, vitamin substitutes, non-prescription medication or a combination thereof, which are mixed with the base liquid of the drink product by the effervescing of the tablet and by shaking the bottle. Also, there is the opportunity to keep the flavoring, coloring, vitamins or medicines separate from the drink until the moment of consumption hence allowing flavors, colors, vitamins or medicines which would normally not keep for a long duration to be used, or alternatively to reduce the amount of preservative used in the drink product.
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Gartner Bradley Francis
Hansen Rickard Darrell
Fidei David T.
Rader, Fishman, Grauer & McGarry an Office of Rader, Fishman and
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