Antimicrobial Coupling Profiles for Hygienic Interlocking Floor Panels

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Solution Overview

Problem

Existing interlocking floor panels are less preferred in humid environments due to the risk of bacteria growth between the panels, which compromises hygiene standards in areas like hospitals.

Innovation Solution

A decorative panel design featuring a core with antimicrobial coatings on the coupling profiles, which are designed to interlock with adjacent panels, reducing the risk of bacterial growth and enhancing health safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If interlocking panels are used to replace vinyl rolls, then ease of installation is improved, but risk of bacteria growth between panels increases

Engineering Contradiction:
Improveease of installationVSAvoidrisk of bacteria growth
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

An antimicrobial coating is applied to the coupling profiles of the interlocking panels. This coating acts as an intermediary substance that prevents bacterial growth in the gaps between panels while maintaining the interlocking mechanism's functionality. The coating contains biocidal agents that eliminate or inhibit microorganisms without interfering with the mechanical coupling of panels.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The coupling profile is transformed into a composite structure by combining the base material (e.g., plastic or metal) with an antimicrobial coating layer. This composite material retains the mechanical properties needed for interlocking while adding the biological protection function to prevent bacterial colonization in the panel gaps.

Inventive Principle:
Principle #40Composite materials

2Ease of operation

If coupling profiles are added to panels, then ease of installation is improved, but susceptibility to bacterial contamination increases

Engineering Contradiction:
Improveease of installationVSAvoidbacterial contamination
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The antimicrobial coating serves as a protective intermediary on the coupling profile surfaces. It creates a biocidal barrier that prevents bacteria from adhering to or colonizing the coupling profiles, thereby eliminating the harmful effect while preserving the mechanical interlocking function.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The surface properties of the coupling profile are changed by applying the antimicrobial coating. This modifies the chemical and biological parameters of the surface (e.g., adding biocidal properties, changing surface energy) without altering the mechanical geometry needed for interlocking, thus preventing bacterial contamination while maintaining installation ease.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12338638B2Decorative panel, and decorative floor covering consisting of said panels
Publication Date: 2025.06.24 I4F LICENSING NV
  • US12338638B2 patent drawing
  • US12338638B2 patent drawing
  • US12338638B2 patent drawing

AI summary

In the field of decorative floor coverings, decorative panels are known having a MDF (Medium Density Board) or HDF (High Density Board) based core layer on top of which a decorative substrate is attached to provide the panels a desired appearance. The invention relates to a panel, in particular a decorative panel, a floor panel, a ceiling panel or a wall panel. The invention also relates to a floor covering consisting of a plurality of mutually coupled panels.