Flexible Bubble Valve Flip-Top Header for Pouch Packaging
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Solution Overview
Problem
Existing packaging solutions for flexible containers lack a fully flexible bubble valve or pressure-activated application, as they still rely on rigid fitments, which hinders the transition to fully flexible packaging solutions, particularly in terms of flow control and re-closure functionality.
Innovation Solution
A bubble valve design integrated into flexible containers, featuring a flip-top header that can switch between a straight closed configuration and a folded open configuration, utilizing geometry and dimensions in the pouch material to mimic rigid packaging fitments, with a hinge mechanism and perforation pattern to allow fluid flow and re-closure, ensuring the container remains upright and the valve is movable between configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If rigid fitments are used in flexible pouches, then flow control and re-closure functionality are achieved, but the packaging cannot be fully flexible and material sustainability is reduced
Solution Approach 1:
The patent applies this principle by replacing rigid fitments with a flexible bubble valve constructed from multiple layers of flexible pouch material. The valve includes a base layer, bubble layer, and channel layer that can flex and deform, allowing the packaging to be fully flexible while still providing flow control functionality through the flexible membrane structure
Solution Approach 2:
The patent divides the valve into distinct functional layers: a base layer for structural support, a bubble layer for flow control actuation, and a channel layer for fluid passage. This segmentation allows each layer to be optimized independently while working together to provide both flexibility and flow control, resolving the contradiction between flexibility and functionality
2Loss of substance
If a bubble valve is made from flexible material, then material sustainability and cost are improved, but the valve may not maintain upright position or provide definitive movement between configurations
Solution Approach 1:
The patent uses composite material construction with multiple layers of flexible pouch material (base layer, bubble layer, channel layer) that work together to provide both flexibility and structural stability. The composite structure allows the valve to be made from sustainable flexible materials while maintaining the ability to stand upright and provide definitive movement between closed and open configurations
3Ease of manufacture
If a flip-top header is integrated into flexible pouch material, then re-closure functionality and sustainability are improved, but the geometry and dimensions must be precisely controlled
Solution Approach 1:
The patent merges the flip-top header functionality directly into the flexible pouch material structure, eliminating the need for separate rigid header components. The header is formed as an integrated part of the flexible pouch with hinge mechanisms and perforation patterns that enable re-closure functionality, simplifying manufacturing and improving sustainability
Data Source
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Figure 4A~4B
Figure 5A~5D
AI summary
The present disclosure relates to a bubble valve for flexible containers wherein the bubble valve can be in a first configuration wherein a hinged header or flip-top is in a straight configuration and the valve is closed, or in a second configuration wherein the hinged header or flip-top is pulled back and the valve permits fluid flow.