Multi-compartment Container Frangible Seal Mixing
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Solution Overview
Problem
Existing multi-compartment packaging solutions fail to economically maintain separate components until the time of use, as they often suffer from premature mixing or leakage issues due to the difficulty in constructing and filling packaging that allows components to mix only at the desired moment, especially in the food and beverage market.
Innovation Solution
A multi-compartment container design featuring a flexible outer pouch with an inner packet connected via a separable seal, allowing external forces to rupture the packet without applying internal pressure, ensuring the outer pouch remains intact and allowing components to mix only when needed, utilizing external tabs or handles for easy separation and mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a multi-compartment container uses a separable seal between compartments, then components can be maintained separately until use, but the seal may rupture prematurely or leak due to internal pressure changes
Solution Approach 1:
The container is divided into multiple compartments separated by a frangible seal, allowing each compartment to be sealed independently. This segmentation prevents premature mixing while allowing controlled separation when needed, resolving the contradiction between maintaining seal integrity and preventing premature mixing.
Solution Approach 2:
The frangible seal is designed with specific mechanical properties that allow it to rupture at controlled stress levels. By changing the parameter of seal fragility, the seal remains intact during normal handling and storage but ruptures cleanly when external opening forces are applied, preventing both premature leakage and ensuring reliable separation when needed.
2Reliability
If external forces are applied to rupture the inner packet, then the outer pouch remains intact, but constructing and filling such packaging is difficult and costly
Solution Approach 1:
The inner packet is nested within the outer pouch, with the frangible seal forming the interface between them. This nested structure allows the inner packet to be sealed and filled separately, then inserted into the outer pouch, simplifying the manufacturing process while maintaining the ability to control mixing through the frangible seal.
Solution Approach 2:
The frangible seal is extracted as a distinct functional element between the inner packet and outer pouch. This allows the seal to be designed and manufactured separately with optimized properties for controlled rupture, reducing the overall manufacturing complexity compared to creating a fully integrated multi-compartment structure.
3Loss of time
If the container uses a frangible seal that can be broken by external force, then components mix only when needed, but the container complexity increases
Solution Approach 1:
The frangible seal serves multiple functions simultaneously: it acts as the barrier between compartments, provides the rupture mechanism for controlled mixing, and eliminates the need for separate opening mechanisms. This merging of functions reduces overall container complexity while achieving the goal of extending shelf life through delayed mixing.
Data Source
AI summary
Disclosed is a multi-compartment container including features that permit the rupture or opening of a seal between compartments to enable mixing of the materials within each compartment, as well as a vapor permeable region to permit vapor to escape after mixing.