Laminate Floor Panels with Segmented Core and Surface Layers
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Solution Overview
Problem
Current laminate flooring technologies face challenges in producing and installing advanced patterns with mechanical locking systems, as they require precise alignment and control of swelling and shrinking materials, leading to high production costs and complex installation processes, especially when using small, differently sized panels.
Innovation Solution
The development of a flooring system where floor panels are composed of discontinuous core and surface layers, connected with a mechanical locking system that allows for easy assembly of multiple small floor elements into larger panels, using glue-based connections that simplify installation and reduce waste, enabling the creation of complex patterns without altering printing cylinders or press plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mechanical locking systems are used with small, differently sized panels to create advanced patterns, then design versatility is improved, but production complexity and installation difficulty increase due to precise alignment requirements
Solution Approach 1:
The floor panel is segmented into a core layer and a surface layer that can be independently processed. The core layer is machined with locking systems in standard positions, while the surface layer (decorative laminate or plastic) is applied separately. This allows different surface designs to be applied to the same core structure, enabling pattern versatility without requiring different core machining for each design.
Solution Approach 2:
A universal core structure with standardized locking system positions serves multiple design functions. The same core panel can accommodate various surface layer designs (different woods, colors, patterns) without changing the mechanical locking configuration, making the core multi-functional for different aesthetic requirements.
2Reliability
If mechanical locking systems require precise alignment and control of swelling and shrinking materials, then locking reliability is improved, but manufacturing cost increases
Solution Approach 1:
By separating the core layer (which contains the locking system and undergoes swelling/shrinking) from the surface layer (which provides the finished appearance), the precision requirements are concentrated only in the core machining. The surface layer can be applied after core processing, allowing standardization of core production while maintaining locking reliability.
Solution Approach 2:
The core layer is pre-machined with locking system recesses and protrusions before the surface layer is applied. This preliminary processing ensures precise alignment features are established in the dimensionally stable core, and the subsequent surface layer application does not interfere with these precision features.
3Adaptability or versatility
If floor panels are installed as small individual pieces to create complex patterns, then design flexibility is improved, but installation time and labor intensity increase
Solution Approach 1:
The panel is segmented into manufacturable core units with standardized locking systems, but these units are designed to be assembled in various patterns at the installation site. The core segmentation enables standardized production, while the modular nature allows flexible pattern assembly without increasing installation complexity.
Solution Approach 2:
Instead of creating complex patterns by assembling many small individual panels, the invention inverts the approach by using larger core panels with integrated locking systems that can directly form complex patterns when arranged in specific configurations, reducing the number of pieces to be installed.
Data Source
AI summary
Floor panels (2) are shown with a discontinuous surface (31) layer and core (30), which are mechanically connectable to each other along one pair of adjacent edges, said floor panels comprising at least two floor elements (1, 1′), which are connected with glue.