Multi-layered Resilient Member for Packaging
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Solution Overview
Problem
Existing suspension packaging systems face challenges in efficiently accommodating articles of varying shapes and sizes, particularly in providing adequate protection and ease of insertion due to limitations in material flexibility and pocket formation.
Innovation Solution
A multi-layered resilient member is formed by heat-sealing two layers of material with different characteristics, such as thickness, elasticity, and translucency, allowing for the creation of pockets and openings, and incorporating folds to accommodate articles of different dimensions, enhancing the packaging assembly's ability to suspend items securely and conveniently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a thin stretchable film is used as a retention member, then the packaging device can provide flexibility and shock absorption, but it is difficult to manufacture with consistent quality and adequate strength
Solution Approach 1:
The retention member is divided into multiple layers (first layer and second layer) that can be manufactured separately and then joined together. This segmentation allows each layer to be optimized for specific properties and enables consistent manufacturing of thin, flexible materials while maintaining overall structural integrity through the multi-layer construction.
Solution Approach 2:
The patent combines multiple layers of material to create a composite retention member that exhibits improved properties compared to a single thin layer. The multi-layer composite structure provides both the flexibility needed for shock absorption and the manufacturing consistency required for quality production, as each layer can be controlled independently during manufacturing.
2Device complexity
If a single-layer retention member is used, then the structure is simple, but it cannot provide adequate shock absorption and tension generation
Solution Approach 1:
The retention member is segmented into multiple functional layers, where each layer can contribute differently to shock absorption and tension generation. This segmentation allows the structure to be more complex internally while maintaining relative simplicity in assembly and usage.
Solution Approach 2:
By using composite multi-layer construction, the retention member achieves enhanced shock absorption and tension generation capabilities. The different layers can be made from materials with varying elastic properties, creating a composite structure that is more reliable for protecting packaged goods while maintaining reasonable structural simplicity.
3Adaptability or versatility
If the retention member is made from material with high elasticity, then it can stretch to accommodate various article shapes, but it becomes difficult to control tension and maintain structural stability
Solution Approach 1:
The retention member is divided into multiple layers that can have different elastic properties. This segmentation allows one layer to provide stretchability for accommodating various article shapes while another layer maintains structural stability and tension control, resolving the contradiction between adaptability and stability.
Solution Approach 2:
Different layers of the retention member can be made from materials with different local qualities - one layer optimized for high elasticity and stretchability, while another layer optimized for structural stability and tension control. This local differentiation of material properties allows the retention member to simultaneously achieve both stretchability and tension control.
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 multi-layered resilient member provides improved protection by allowing for easier insertion and accommodation of articles, offering enhanced shock absorption and tension generation, thus improving the overall effectiveness of the suspension packaging system.
Implementation Method 1
a first layer being heat sealed to the second layer along the corresponding first and second lateral edges
Data Source
AI summary
A packaging device can include a retention member formed of two layers that are different from one another. In some embodiments, the two layers are made of different material, connected together such as by heat sealing. The layers can be made from different materials or the same materials having different thicknesses, modules of elasticity, melting index, or other different characteristics. In some embodiments, the two layers have different physical dimensions.