Polymer Cladding Panels with Concealed Interlocking Fixings

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Solution Overview

Problem

Current cladding materials face issues such as unsuitable installation direction, lack of locking systems, visible joints, aesthetic discontinuity, screw exposure leading to rust and mold, and inefficient insulation, requiring high skill and time for installation.

Innovation Solution

A polymer-based panel with an interlocking system featuring tabs and insertion gaps, concealed fixing elements, and decorative surfaces, allowing parallel installation and easy assembly, with integrated insulation and LED channels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If screw-like fixing tools are used to attach cladding materials to the surface, then the cladding can be securely fixed, but the screw heads are exposed and cause aesthetic discontinuity and can rust or mold due to water and humidity

Engineering Contradiction:
Improvefixing securityVSAvoidaesthetic discontinuity and rust/mold
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The harmful element (exposed screw head) is extracted from the visible surface by having the subsequent panel cover it. The screw head is still present and functional for fixation, but removed from the aesthetic field of view, resolving the contradiction between secure fixing and aesthetic continuity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The screw fixing mechanism is nested within the panel structure itself. Each panel contains concealed fixing elements that are integrated into the panel's design, allowing the fixing function to be embedded rather than exposed on the surface.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Device complexity

If simple female and male edge lock forms are used for installing cladding materials, then the structure is simple, but the folds on the edges are easily deformed or broken during assembly or transportation

Engineering Contradiction:
Improvelock system structureVSAvoidedge durability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The lock system combines rigid folding edges with flexible sealing elements and resilient locking mechanisms. This composite approach maintains the simplicity of the folding structure while adding protective and durable components that prevent deformation and breaking during handling and assembly.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The lock system incorporates pre-designed reinforcement structures and protective features in the folding edges that cushion against deformation during transportation and assembly, preventing the edges from breaking while maintaining structural simplicity.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Ease of operation

If cladding materials are installed without an interlocking system, then the installation process is simple, but dust and water can pass between the cladding materials causing undesirable results

Engineering Contradiction:
Improveinstallation simplicityVSAvoiddust and water penetration
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The sealing function and interlocking function are merged into a single integrated edge structure. The same folding edge that provides mechanical interlocking also creates a sealed joint that prevents dust and water penetration, eliminating the need for separate sealing components while maintaining installation simplicity.

Inventive Principle:
Principle #5Merging (Combining)

4Adaptability or versatility

If cladding materials are installed from the ground upwards, then the installation follows conventional practice, but the design is not suitable for top-to-bottom or side-by-side installation

Engineering Contradiction:
Improveinstallation direction flexibilityVSAvoidcladding design
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The panel design incorporates universal interlocking features that function equally well in any installation direction (bottom-to-top, top-to-bottom, or side-by-side). The symmetric or bidirectional lock system allows the same panel design to be used for any orientation, providing multi-functional adaptability without increasing complexity.

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

Data Source

PatentEP4290032B1A panel and cladding system
Publication Date: 2025.07.23 ADOPEN PLASTIK & INSAAT SANAYI A S
  • EP4290032B1 patent drawingFigure 1a~1c
  • EP4290032B1 patent drawingFigure 2~3
  • EP4290032B1 patent drawingFigure 4

AI summary

The invention relates to a panel that can be used on internal and external surfaces and can be easily installed to each other, and to a system that enables these panels to be installed to each other.