Flexible Packages with Reinforcing Areas for Flat Panels
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Solution Overview
Problem
Flexible packages prone to wrinkling, which affects the appearance of external graphics such as branding and information, due to their material properties.
Innovation Solution
Incorporating reinforcing areas with straight or non-linear edges on the panels of flexible packages to increase stiffness and control the shape of the materials, reducing buckling and wrinkling, and allowing smooth bending at radiused edges and corners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If flexible materials are used for packages, then material cost and usage efficiency are improved, but the package becomes prone to wrinkling and buckling which deteriorates the appearance of external graphics
Solution Approach 1:
The patent applies local quality by incorporating reinforcing areas with different stiffness characteristics at specific locations on the flexible package panels. These reinforcing areas have higher stiffness than the surrounding flexible material, creating localized structural support that prevents wrinkling and buckling in critical regions while maintaining overall package flexibility and material efficiency.
2Shape
If reinforcing areas are added to flexible packages, then flatness and appearance are improved, but device complexity increases
Solution Approach 1:
The patent merges the reinforcing areas with the flexible package panels by integrating them as integral components of the package structure. The reinforcing areas are positioned and configured to work in unison with the flexible material, creating a unified structure that achieves flatness without requiring separate, complex support mechanisms or additional assembly steps.
3Manufacturing precision
If reinforcing areas with straight edges are used, then manufacturing precision is improved, but the ability to bend smoothly at corners is reduced
Solution Approach 1:
The patent segments the reinforcing area structure by distinguishing between different edge types - straight edges for manufacturing precision and radiused edges for smooth bending. This segmentation allows each edge type to fulfill its specific functional requirement independently, with straight edges providing dimensional accuracy and radiused edges enabling smooth transitions during package folding and bending operations.
Data Source
AI summary
Flexible packages with reinforcing areas and flat panels.