Expandable-Layer Floor Panel Sealing Moisture-Prone Interlocking Seams
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Solution Overview
Problem
Existing flooring systems, particularly those using interlocking panels, suffer from moisture penetration through seams, leading to bacterial and fungal growth due to dust and liquid ingress, which is undesirable from a hygiene perspective.
Innovation Solution
A panel design featuring a core with multiple layers, including an expandable material layer that swells upon moisture contact to create a seal between panels, enhancing moisture resistance and preventing liquid ingress at the seam.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If interlocking panels are used for flooring, then ease of installation is improved, but moisture penetration through seams occurs leading to hygiene problems
Solution Approach 1:
The expandable material layer is pre-installed within the panel structure before the panel is laid. When moisture enters the seam, this pre-positioned material automatically expands to seal the gap, preventing further moisture penetration and eliminating the need for post-installation sealing actions.
Solution Approach 2:
The expandable material layer performs the sealing function automatically in response to moisture contact. The material self-activates upon detecting moisture, expands to close the seam, and prevents further moisture ingress without requiring external intervention, maintenance, or additional sealing components.
2Reliability
If traditional sealing methods are used at panel seams, then moisture resistance is improved, but device complexity increases
Solution Approach 1:
The sealing function is merged into the panel structure itself by integrating the expandable material layer within the core or at the edge of the panel. This eliminates the need for separate sealing components, adhesives, or complex joint designs, as the panel structure inherently provides both mechanical interlocking and moisture sealing functions.
Solution Approach 2:
The panel structure includes a self-activating sealing mechanism that automatically responds to moisture presence. The expandable material layer activates upon moisture contact, expands to seal the seam, and prevents further penetration, providing reliable moisture resistance through the panel's own integrated system rather than external sealing measures.
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 provides improved moisture resistance and easy installation while maintaining aesthetic appeal by using an expandable material layer that swells upon contact with moisture to tighten the seam, effectively preventing water penetration and reducing bacterial growth.
Implementation Method 1
at least one material layer of the core, preferably at least a part of the middle layer (B) of the core, comprises and/or is formed by at least one expandable material layer which comprises at least one material configured to expand or swell upon contact with moisture
Data Source
AI summary
The present invention relates to a panel, such as a floor panel, a wall panel or a ceiling panel, in particular a decorative floor panel. The invention also relates to a covering, in particular a floor covering, including multiple interconnected panels according to the invention. The invention also relates to a method of manufacturing a panel according to the invention.