Threaded Container-Closure Mixing for Ingredient Potency
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Solution Overview
Problem
Existing packaging systems fail to keep multiple ingredients or compositions separate until the time of first use, leading to degradation or premature reaction, necessitating excess ingredient usage and potential chemical disturbances.
Innovation Solution
A single container-closure system with a threaded-neck container and threaded cap assembly that houses two flowable products, using a piercing means and cap insert to mix the products upon user activation, maintaining separation until use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If multiple ingredients are placed in a single container, then the device complexity is reduced, but the ingredients may degrade or react prematurely, losing potency before use
Solution Approach 1:
The container is divided into multiple compartments separated by a frangible seal. Each compartment can hold different ingredients that need to remain separate until the moment of use. The frangible seal breaks upon activation, allowing the ingredients to mix only when needed, thus maintaining ingredient potency while using a single container structure.
2Reliability
If extra ingredient is added to compensate for degradation, then the ingredient potency at use time is ensured, but the cost increases and chemical composition may be disturbed
Solution Approach 1:
The ingredients are prepared and placed in the container in advance, but kept separate and protected from degradation until the moment of use. The frangible seal maintains separation during storage and transport, and breaks only when the consumer activates the product, ensuring full ingredient potency without needing to add excess amounts.
3Reliability
If a multi-compartment system is used to keep ingredients separate, then ingredient potency is preserved, but the ease of operation decreases due to complex activation mechanisms
Solution Approach 1:
The system uses a self-activating mechanism where the consumer's natural action of removing or actuating the cap automatically breaks the frangible seal and mixes the ingredients. No additional tools or complex operations are needed - the act of opening or using the product itself triggers the mixing process, making operation simple while maintaining ingredient separation until use.
Data Source
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AI summary
A container-closure system comprises a threaded-neck container that houses a first flowable product in a first reservoir. A closure assembly for the container initially houses a second flowable product in a second reservoir, and comprises a threaded cap and a cap insert. Movement of the cap insert with respect to the threaded cap effects the mixing of the two flowable products in the first reservoir.