Two-Compartment Container With Flexible Dome And Lacquer Layers
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Solution Overview
Problem
Existing two-compartment containers often suffer from leakage and complex structures, failing to keep a first component separate from a liquid until use while maintaining sterility and ease of mixing, especially for moisture-sensitive or unstable components like vitamins and microbial cultures.
Innovation Solution
A two-compartment container design featuring a first compartment with a bowed-up, flexible dome and multiple lacquer layers on the lower compartment, allowing the first component to be released into the second compartment without puncturing the upper layer, thereby minimizing leakage and ensuring sterility until use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stopper or piercing member is used to separate two compartments, then the components can be kept separate until use, but leakage occurs and the structure becomes complex
Solution Approach 1:
The container is divided into two separate compartments (first compartment for solid component, second compartment for liquid component) that are kept distinct until use. The partition wall with frangible portion creates a clear segmentation that allows reliable separation while maintaining simplicity in the overall structure.
Solution Approach 2:
The frangible portion is extracted as a separate, removable element from the partition wall. This extracted frangible portion can be easily removed by the user to allow mixing, eliminating the need for complex piercing mechanisms or stoppers while maintaining reliable separation during storage.
2Reliability
If a piercing member or rigid penetrating means is used to mix components, then separation is maintained, but the structure becomes complex and leakage occurs
Solution Approach 1:
The frangible portion is pre-prepared as a removable barrier in the partition wall. Before use, the user simply removes this pre-prepared frangible portion to allow mixing, eliminating the need for complex piercing or penetrating mechanisms during the mixing process while maintaining sterility until that moment.
Solution Approach 2:
The frangible portion acts as a disposable, single-use barrier that is removed once to enable mixing. This simple, throwaway element replaces complex, reusable piercing mechanisms, reducing both structural complexity and potential leakage points.
3Reliability
If membranes or diaphragms are used to separate compartments, then components remain separate, but the structure becomes complex and difficult to operate
Solution Approach 1:
The partition wall is segmented into a rigid portion and a frangible portion. The frangible portion is designed as a separate, easily removable element that can be taken out by simple user action, making the mixing process easy while maintaining reliable separation during storage.
Solution Approach 2:
Only the specific frangible portion of the partition wall is designed to be removable, while the rest of the partition wall remains intact to maintain separation. This localized design allows easy operation for mixing without compromising the overall separation reliability or requiring complex mechanisms.
4Ease of operation
If cutter or penetrating means are integrated into the cap, then mixing is enabled, but the structure becomes complex and leakage may occur
Solution Approach 1:
The mixing function is achieved by simply removing the frangible portion from the partition wall, rather than integrating complex cutting or penetrating mechanisms into the cap. This extracted approach to mixing maintains cap simplicity while enabling effective component mixing.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The container effectively keeps a first component separate from a liquid until use, maintains sterility, and allows easy mixing with minimal leakage, making it suitable for adding sensitive components like vitamins or microbial cultures to beverages just before consumption.
Implementation Method 1
Depressing the dome by pushing downward on it causes the dome to rupture the lower layer of the first compartment
Implementation Method 2
There are at least two lacquer layers on the lower layer of the first compartment outside of the first compartment, between the second component and the first compartment
Data Source
AI summary
A two-compartment container in which the first compartment has an upper layer and a lower layer and contains a first component that is to be added to the second compartment. There are at least two lacquer layers on the lower layer of the first compartment outside of the first compartment, between the second component and the first compartment. Above the first compartment is a dome that is bowed upward and is flexible. Depressing the dome by pushing downward on it causes the lower layer of the first compartment to be ruptured without cutting or rupturing the upper layer, releasing the first component into the second compartment.