Universal Coupling Panel for Single-Type Herringbone Installation

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Solution Overview

Problem

Existing panel installation methods require multiple types of panels and complex production processes to achieve herringbone patterns, leading to increased costs, complexity, and reduced productivity.

Innovation Solution

A panel design with three edge profiles - groove-tongue, groove, and groove-double tongue - allows for easy manufacturing and installation in complex patterns using only one type of panel, featuring continuous profiles that facilitate milling and reduce the need for complex machinery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple types of panels are used for herringbone installation, then installation flexibility is improved, but production complexity and stockkeeping requirements worsen

Engineering Contradiction:
Improveinstallation flexibilityVSAvoidproduction complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The panel is designed with universal coupling capability where all four edges have identical tongue-groove profiles, enabling the same panel type to be used in multiple installation patterns including herringbone, parallel, and perpendicular arrangements. This eliminates the need for different panel types while maintaining installation flexibility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The panel edges are segmented into tongues and grooves that can be selectively engaged depending on the installation pattern. The coupling parts are divided into functional segments (tongue portions and groove portions) that can interact in different configurations to achieve various laying patterns using the same panel type.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If separate inserts are used to create different panel types, then stockkeeping is simplified, but installation complexity and costs increase

Engineering Contradiction:
Improvestockkeeping simplicityVSAvoidinstallation complexity
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The tongue and groove coupling parts are merged into an integrated profile that is directly formed on the panel edges during manufacturing. This eliminates the need for separate inserts while simplifying installation, as the coupling mechanism is built-in rather than requiring additional components to be added during installation.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If edge profiles are modified during installation for herringbone patterns, then installation adaptability is improved, but production efficiency and cost worsen

Engineering Contradiction:
Improveinstallation adaptabilityVSAvoidproduction efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The tongue-groove profiles are preliminarily formed on all four edges of the panel during the manufacturing process using standardized tooling. This preliminary preparation eliminates the need for edge modification during installation, maintaining high production efficiency while enabling installation adaptability.

Inventive Principle:
Principle #10Preliminary action

4Adaptability or versatility

If complex coupling part structures are used, then installation pattern versatility is improved, but manufacturing speed and productivity worsen

Engineering Contradiction:
Improveinstallation pattern versatilityVSAvoidmanufacturing speed
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The coupling profiles use standardized dimensional parameters that can be adjusted through simple parameter changes rather than complex structural modifications. The tongue and groove dimensions are defined by controllable parameters that can be varied during manufacturing to achieve different installation patterns without requiring complex tooling or reducing production speed.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12618245B2Panel
Publication Date: 2026.05.05 ESCHLBECK FRANZ
  • US12618245B2 patent drawing
  • US12618245B2 patent drawing
  • US12618245B2 patent drawing

AI summary

A rectangular panel includes four edges each provided with continuous coupling profiles. The coupling profiles enable to couple a plurality of such panels. The panels and the coupling profiles are configured such that only one type of panel is required to install the panels in herringbone configuration.