Foamed Polymer Glass Substrate Protective Pad for Pressure Distribution
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Solution Overview
Problem
The existing glass substrate protective pads have a high breakage rate due to surface pressure and imprinting, poor workability, and edge wear, leading to damage during packing and unpacking, especially for larger substrates, and the pads lack sufficient endurance and stability.
Innovation Solution
A glass substrate protective pad with multiple layers, where the rear layer is made of foamed polymer, incorporating high-strength inserts and an elastic member, and featuring concave-convex portions on the rear surface to prevent movement and reduce pressure, thereby reducing breakage and improving workability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a glass substrate protective pad is used to protect glass substrates during packing, then the glass substrates are protected from damage, but the protective pad itself causes surface pressure and imprinting that leads to a high breakage rate
Solution Approach 1:
The protective pad incorporates a porous layer that can absorb and distribute pressure uniformly across the glass substrate surface, preventing localized imprinting and surface damage while maintaining overall protection capability
Solution Approach 2:
The protective pad uses a composite structure combining different materials with complementary properties - a rigid outer layer for structural support and protection, combined with a softer porous inner layer for pressure distribution and imprinting prevention
2Area of stationary object
If the size of glass substrates is increased to meet larger display requirements, then the protective coverage is improved, but the weight of the protective pad increases significantly
Solution Approach 1:
The porous layer provides protective functionality with significantly reduced material density compared to solid materials, allowing large-area coverage without proportional weight increase
Solution Approach 2:
The protective pad is divided into functional layers with different density characteristics, placing the lightweight porous material where pressure distribution is needed while maintaining structural integrity
3Reliability
If the protective pad is made heavier to provide sufficient protection for large substrates, then the protection capability is improved, but the workability during packing and unpacking operations deteriorates
Solution Approach 1:
The composite structure combines lightweight porous materials with strategically placed reinforcement elements, achieving adequate protection for large substrates while keeping the overall weight manageable for manual handling
Solution Approach 2:
Rather than uniformly increasing weight across the entire pad, reinforcement is applied locally only where structural support is critical, maintaining light weight in areas where full strength is not required
4Productivity
If the protective pad is used for a long time to improve productivity, then the productivity is improved, but the edge of the protective pad becomes worn leading to damage
Solution Approach 1:
The edge regions incorporate more durable material composition or structural reinforcement that resists wear during repeated handling and packing operations, extending the service life of the protective pad
Solution Approach 2:
The protective pad has enhanced edge construction with increased material density or protective coating at the boundaries, providing localized durability where wear occurs during insertion and removal operations
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 solution significantly reduces the breakage rate of glass substrates by minimizing deformation and damage, enhancing workability through reduced weight and improved structural integrity, and preventing edge wear, resulting in a more reliable protective mechanism.
Implementation Method 1
the rear layer of the multiple layers which is to be in close contact with the glass substrate containing foamed polymer
Implementation Method 2
incorporating high-strength inserts and an elastic member
Data Source
AI summary
A glass substrate protective pad which protects a glass substrate in close contact with the glass substrate. The glass substrate protective pad has multiple layers, the rear layer of the multiple layers which is to be in close contact with the glass substrate containing foamed polymer. A glass substrate packing container for packing a plurality of glass substrates loaded therein, in which the above-described glass substrate protective pad is in close contact with the front surface of the plurality of glass substrates.