Laminated Plate Peripheral Region Wrinkle Control
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Solution Overview
Problem
Laminated plates formed by laminating two plates with different shapes often suffer from wrinkles across the outer periphery, leading to issues with function, strength, and appearance quality.
Innovation Solution
A laminated plate design featuring a first plate with a multi-curved shape and a second plate with a flat or slightly curved shape, bonded by an intermediate film, where the peripheral region includes both flat and undulating areas to concentrate wrinkles in specific regions, enhancing edge strength and appearance while maintaining transparency and strength requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two plates with different shapes are laminated to achieve functional requirements, then the functional performance is improved, but wrinkles occur across the outer periphery affecting appearance quality and strength
Solution Approach 1:
The invention applies local quality by creating distinct regions with different characteristics: a flat region in the peripheral area and an in-plane region in the central area. This allows different parts of the laminated plate to serve different functions - the flat peripheral region maintains appearance quality and edge strength, while the in-plane region accommodates the curvature differences for functional performance.
2Adaptability or versatility
If two plates with different shapes are laminated to achieve functional requirements, then the functional performance is improved, but edge strength is reduced due to wrinkle formation
Solution Approach 1:
The flat region is specifically positioned in the peripheral area where edge strength is critical. By maintaining a flat configuration in this region, the invention prevents wrinkle formation that would compromise edge strength, while still allowing the central in-plane region to accommodate shape differences for functional performance.
3Adaptability or versatility
If two plates with different shapes are laminated to achieve functional requirements, then the functional performance is improved, but wrinkles occur affecting transparency and aesthetics
Solution Approach 1:
The invention creates a flat region in the peripheral area where appearance quality and transparency are most visible and critical. This flat region prevents wrinkle formation that would affect aesthetics and transparency, while the central in-plane region accommodates curvature differences to maintain functional performance.
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 effectively addresses the issues of function, strength, and appearance quality by concentrating wrinkles in non-critical areas, thereby improving the laminated plate's performance and aesthetics.
Implementation Method 1
an intermediate film bonding the first plate and the second plate
Data Source
AI summary
The present invention relates to a laminated plate (laminated glass plate 102 for a vehicle) including a first plate (first glass plate 201) being curved in a first curved shape, a second plate (second glass plate 202) having a second shape that is different from the first curved shape, and an intermediate film 301 bonding the first plate and the second plate, in which the laminated plate has, in a planar view thereof, a peripheral region 313 and an in-plane region 314, and the peripheral region 313 has a flat region 313a and an undulating region 313b.