Modified OSB Board with Coated Paper Layers for Wall Finishing

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Solution Overview

Problem

Gypsum boards used in house building systems are cumbersome to install, require extensive accessories and labor, generate dust, and are not suitable for hanging heavy decorations, while being heavy and requiring specialized tools and knowledge.

Innovation Solution

A modified OSB board with coated paper layers, a tongue-and-groove joint system, and polyurethane adhesives for easy installation and hiding screw heads, allowing direct application of finishes without additional priming and reducing installation steps.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If gypsum boards are used for interior finishing, then a smooth surface suitable for painting and wallpapering is achieved, but the installation process becomes complex requiring multiple layers of plaster, screws, and extensive labor

Engineering Contradiction:

Improvesurface smoothnessVSAvoidinstallation complexity

Core Design Contradiction:

ShapeVSDevice complexity

Solution Approach 1:

The patent combines the structural OSB board with finishing layers (paper or polymer coating) into a single integrated product. The OSB board provides structural integrity while the coating layers provide the smooth finished surface, eliminating the need for separate plastering and finishing operations

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The smooth finishing surface is applied in advance during board manufacturing rather than during installation. The paper or polymer coating is pre-applied to the OSB board, so the board arrives at the construction site ready for direct installation without requiring subsequent plastering or surface preparation

Inventive Principle:

Principle #10Preliminary action

2Shape

If gypsum boards are used for interior finishing, then a finished surface is achieved, but large amounts of gypsum dust are generated during installation

Engineering Contradiction:

Improvefinished surfaceVSAvoidgypsum dust

Core Design Contradiction:

ShapeVSObject-generated harmful factors

Solution Approach 1:

The patent uses paper or polymer coatings instead of traditional gypsum plaster layers. These alternative materials can be applied without generating the large amounts of dust associated with gypsum work, improving air quality during installation

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent replaces the mechanical process of applying and smoothing multiple layers of gypsum plaster with a pre-applied coating system. This substitution eliminates the dust-generating activities of mixing, spreading, and abrading gypsum materials

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Shape

If plaster board panels are used, then interior walls can be finished, but the structure is soft and not suitable for hanging heavier decorations

Engineering Contradiction:

Improvewall finishingVSAvoidload bearing capacity

Core Design Contradiction:

ShapeVSStrength

Solution Approach 1:

The patent creates a composite structure combining OSB (oriented strand board) with paper or polymer coatings. The OSB provides high structural strength and rigidity suitable for supporting heavy decorations, while the coating provides a smooth finished surface. This composite approach allows the wall to simultaneously achieve aesthetic finishing and structural capability

Inventive Principle:

Principle #40Composite materials

4Strength

If gypsum fiber boards are used, then a dense and strong finishing material is obtained, but the boards are very heavy requiring specialized handling

Engineering Contradiction:

Improvematerial densityVSAvoidboard weight

Core Design Contradiction:

StrengthVSWeight of moving object

Solution Approach 1:

The patent changes the material composition parameters by using OSB combined with lighter paper or polymer coatings instead of dense gypsum fiber boards. This parameter change maintains sufficient strength for wall finishing while significantly reducing the weight for easier handling and installation

Inventive Principle:

Principle #35Parameter changes

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 modified OSB board enables quick and efficient interior finishing without professional skills, reduces material and labor costs, and supports hanging heavy elements without special dowels, while minimizing dust and effort.

Implementation Method 1

the paper layer being adjacent to the board surface as first paper layer is impregnated with at least one resin

Methodology Applied

Scientific EffectAbsorption: Absorption (physical)

Implementation Method 2

The additional use of adhesives, such as polyurethane adhesives ensures a strong and durable bonding of the modified OSB boards

Methodology Applied

Scientific EffectAdhesion: Adhesive

Data Source

PatentEP3109370B1Modified OSB board and its use in walls for house building systems

Publication Date: 2018.04.18 SWISS KRONO TEC AG

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AI summary

The present invention relates to a modified OSB board (oriented strand board) (10) with an upper side and a lower side, wherein the upper and/or lower side of the board are coated with at least one paper layer, preferably at least two paper layers (2, 3). The invention relates further to a construction wall (20) for a house building system (40), to a partition wall (30) for a house building system (40) and a house building system (40) with the use of such an modified OSB board (10).