In-Line Thermoplastic Panel Lamination for Smooth Decorative Surfaces
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Solution Overview
Problem
The production of decorative panels is time-consuming and tedious, often requiring separate processes and sites for different components.
Innovation Solution
An in-line lamination process that combines reinforcing materials and thermoplastic material in an aqueous solution, forming a web with open cell structures, drying and heating to create a porous core layer, and applying skin layers with or without adhesive to produce a thermoplastic composite article.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional separate processes and sites are used for producing different panel components, then each component can be manufactured with specialized equipment, but the production time increases and the process becomes tedious
Solution Approach 1:
The patent combines multiple separate manufacturing processes into a single integrated in-line system where reinforcing materials, thermoplastic materials, and skin layers are combined, formed, and laminated in one continuous process flow, eliminating the need for separate production sites and reducing production time
Solution Approach 2:
The in-line system enables continuous production by maintaining uninterrupted material flow through the manufacturing process, with materials being continuously fed, formed, heated, and laminated without stopping between operations, thereby reducing production time while maintaining quality
2Manufacturing precision
If multiple separate manufacturing steps are used, then each step can be optimized independently, but the overall process complexity increases
Solution Approach 1:
The patent integrates multiple manufacturing operations including material combination, web formation, water removal, drying, heating, and lamination into a single coordinated in-line system, reducing process complexity while maintaining the ability to control each parameter through centralized process management
3Ease of manufacture
If traditional production methods are used, then established processes can be maintained, but surface smoothness and decorative quality are insufficient
Solution Approach 1:
The patent achieves superior surface smoothness by controlling the heating parameters to melt the thermoplastic material at specific temperatures, allowing the material to flow and fill in surface irregularities, thereby improving surface quality while maintaining ease of manufacture through parameter optimization
Solution Approach 2:
The patent uses composite structures with skin layers applied over the formed web, creating a multi-layer composite that provides both structural integrity and smooth decorative surfaces, improving manufacturing precision while building upon established composite material techniques
4Ease of manufacture
If conventional production processes are used, then existing equipment can be utilized, but production costs are higher
Solution Approach 1:
The in-line system enables continuous production operations without stopping between steps, maximizing equipment utilization and production efficiency, thereby reducing production costs while using conventional equipment types that can be integrated into the continuous flow process
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 process results in a lightweight, durable composite panel with improved surface smoothness and decorative capabilities, reducing production time and costs while ensuring high-quality surfaces and patterns.
Implementation Method 1
heating the dried, porous core layer on the moving support to melt the thermoplastic material of the heated, porous core layer
Implementation Method 2
heating the dried, porous core layer on the moving support to melt the thermoplastic material
Implementation Method 3
removing water from the disposed aqueous solution on the moving support to form a web comprising open cell structures
Data Source
AI summary
In-line systems and in-line methods of producing lightweight reinforcing thermoplastic composite panels are described. The in-line systems and in-line method can be used to produce composite panels with smoother surfaces and enhanced properties in an automated manner. The produced composite panels can include a decorative layer that can provide an overall smoother panel surface compared to a composite panel lacking a decorative layer.