Soundproof Booth Wall Assembly With Adjustable Work Surface

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Solution Overview

Problem

Existing soundproof spaces face challenges in achieving slim, aesthetic, and easy-to-assemble wall structures that provide effective soundproofing against speech while maintaining a comfortable working environment, minimizing fire load, and integrating work surfaces without hindrance.

Innovation Solution

A wall assembly comprising a first and second wall element joined at end portions to form an enclosure with sound absorbing material, an incombustible surface, and a vertically adjustable work surface mechanism using a mounting element and electrical actuation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If the wall structure is made slim and aesthetic, then the appearance and space efficiency are improved, but the soundproofing effectiveness deteriorates

Engineering Contradiction:
Improvewall thicknessVSAvoidsound transmission
Core Design Contradiction:
ShapeVSObject-affected harmful factors

Solution Approach 1:

The wall assembly uses a composite structure combining multiple materials with different acoustic properties: a rigid frame providing structural integrity, acoustic panels with sound-absorbing core materials for noise reduction, and fire-resistant layers for safety. This multi-material composite approach achieves effective soundproofing within a compact thickness by leveraging the complementary properties of each material layer.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The wall assembly employs a nested configuration where acoustic panels are positioned within the frame structure, and fire-resistant layers are integrated behind or within the same assembly. This nested arrangement maximizes the functional density of the wall, allowing multiple protective and acoustic functions to be achieved within minimal space.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Object-affected harmful factors

If multiple functional layers are added to the wall assembly, then the soundproofing and fire resistance are improved, but the device complexity increases

Engineering Contradiction:
Improvefire loadVSAvoidwall assembly structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The wall assembly is designed as an integrated multi-functional unit where a single structural frame supports both acoustic panels and fire-resistant layers. The frame itself serves multiple purposes: providing structural support, mounting surfaces for acoustic treatments, and a framework for fire-blocking assemblies. This multi-functionality reduces the need for separate structural elements, thereby managing complexity while achieving multiple safety and acoustic goals.

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

3Adaptability or versatility

If work surfaces are integrated into the wall assembly, then the functionality of the space is improved, but the ease of assembly deteriorates

Engineering Contradiction:
Improvework surface integrationVSAvoidassembly process
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The wall assembly is divided into modular segments that can be assembled independently and then connected. Work surfaces are designed as separate attachable components rather than being permanently integrated into the wall structure. This segmentation allows the wall panels to be manufactured and assembled separately, maintaining ease of assembly, while still providing the option to integrate work surfaces through standardized attachment mechanisms.

Inventive Principle:
Principle #1Segmentation

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 assembly achieves efficient sound attenuation, fire resistance, and functional integration of work surfaces while maintaining structural integrity and ease of assembly.

Implementation Method 1

sound absorbing material within the enclosure

Methodology Applied
Scientific EffectSound absorption: Acoustic Absorption

Implementation Method 2

the layers of the first and second dampening element comprise porous and/or open cell material

Methodology Applied
Scientific EffectPorous material absorption: Porosity

Data Source

PatentEP4229249B1Soundproof booth and wall assembly with a work surface
Publication Date: 2026.01.07 FRAMERY
  • EP4229249B1 patent drawingFigure 1
  • EP4229249B1 patent drawingFigure 2
  • EP4229249B1 patent drawingFigure 3

AI summary

A wall assembly for a soundproof space, comprising a first layer comprising sound absorbing material, a vertically oriented elongated mounting element behind or embedded into the first layer, the said mounting element providing an adjustment groove for a vertically adjustable work surface, and an incombustible surface behind the first layer. A soundproof booth comprising the wall assembly.