Three-Chamber Bubble Valve for Flexible Packaging Flow Control
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Solution Overview
Problem
Existing packaging solutions in the food, beverage, and household care industries rely on rigid components, limiting the transition to fully flexible solutions, and lack effective flow control and re-closure mechanisms, which hampers sustainability and cost efficiency.
Innovation Solution
A bubble valve with three chambers, featuring a tear-shaped bubble element and transverse and longitudinal bubbles, allows for selective inflation and deflation to control flow, enabling both flow blocking and allowing functionalities through manual manipulation, and can be customized for different product viscosities and user needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rigid fitments are used in packaging, then structural strength is maintained, but flexibility and material efficiency are reduced
Solution Approach 1:
The patent applies this principle by replacing rigid fitment components with flexible bubble valve structures made from thin film materials. The bubble valve incorporates inflated bubbles that can dynamically adjust their shape and volume to provide structural support when needed while maintaining the overall flexibility of the packaging system.
2Ease of operation
If rigid components are used, then flow control is simplified, but re-closure functionality and sustainability are compromised
Solution Approach 1:
The patent applies this principle by designing a bubble valve where inflated bubbles dynamically adjust to control flow. The system transitions from static rigid components to dynamic flexible structures that can automatically open or close based on pressure differentials, providing both flow control and re-closure functionality through the same mechanism.
3Loss of substance
If flexible packaging is used, then material usage is reduced, but effective flow control mechanisms are lost
Solution Approach 1:
The patent applies this principle by using inflated air bubbles within the flexible packaging structure to control flow. The pneumatic pressure within the bubbles responds to user manipulation and pressure differentials, enabling effective flow control and re-closure functionality while maintaining the flexibility and material efficiency of the packaging.
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
This solution enhances sustainability and reduces costs by providing a flexible, efficient flow control mechanism that minimizes material usage and improves operational efficiency, allowing for both closed and open configurations based on user input.
Implementation Method 1
The pressure of the bubble layer against the channel layer may be used to control the flow of the dispensed material
Implementation Method 2
A flow channel is formed between the bubble layer and a channel layer. The pressure of the bubble layer against the channel layer may be used to control the flow of the dispensed material
Data Source
Figure 1~2
Figure 3~5
AI summary
The present disclosure relates to a closure which uses a bubble valve with three chambers. A transverse bubble element on the product side of the bubble valve can expand or inflate thereby inhibiting flow, or contract or deflate thereby allowing flow. A longitudinal bubble element to the side of the bubble valve is used to receive the contents from the transverse bubble element when the transverse bubble element is deflated.