Compressible Acoustic Panels Nested Box Distribution Units

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Solution Overview

Problem

Existing methods for handling compressible acoustic panels, such as those made of mineral fiber material, are inefficient in reducing volume during packaging and transportation, costly, and prone to damage or soiling due to inadequate protection.

Innovation Solution

A method and system using box-shaped distribution units with top and bottom parts that compress and secure acoustic panels, allowing for efficient stacking and protection during transportation, using securing members like straps or plastic film to maintain the compressed state.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If acoustic panels are compressed using securing members or plastic wrapping, then volume is reduced for efficient packaging, but the panels become vulnerable to penetration, damage, or soiling during transportation

Engineering Contradiction:
Improvevolume of acoustic panelsVSAvoidprotection of panels
Core Design Contradiction:
Volume of moving objectVSReliability

Solution Approach 1:

The patent employs nested doll principle by placing acoustic panels inside box-shaped distribution units, which are then stacked and secured together. The distribution units are inserted into each other in a nested configuration, creating a protective layered structure that shields panels from external damage while maintaining compressed volume. This nested arrangement provides multiple levels of protection without requiring additional wrapping materials.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent applies segmentation by dividing the packaging system into separate functional components: box-shaped distribution units for structural protection, securing members for maintaining compression, and stacking configuration for stability. This segmented approach allows each component to perform its specific protective function independently, reducing overall vulnerability compared to single-layer wrapping solutions.

Inventive Principle:
Principle #1Segmentation

2Volume of moving object

If acoustic panels are compressed to reduce transportation volume, then cost and environmental efficiency improve, but panels may burst through wrapping and become difficult to handle

Engineering Contradiction:
Improvetransportation volumeVSAvoidhandling of panels
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The nested box-shaped distribution units provide a structured framework that contains compressed panels while maintaining accessibility. The standardized nested configuration allows for easy stacking and stacking mechanisms that facilitate controlled decompression, preventing panels from bursting through wrapping while keeping handling simple.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent implements dynamic characteristics through compressible panels that can transition between compressed and expanded states within the distribution units. The securing members allow controlled compression during transportation and enable easy decompression when needed, providing dynamic adaptability that prevents handling difficulties while maintaining volume reduction benefits.

Inventive Principle:
Principle #15Dynamics

3Volume of moving object

If existing compression methods are used, then some volume reduction is achieved, but the processes are practically challenging, costly, and time consuming

Engineering Contradiction:
Improvepanel volumeVSAvoidpackaging system complexity
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The patent segments the packaging system into simple, standardized box-shaped distribution units that can be independently manufactured and assembled. This segmentation eliminates complex compression mechanisms while achieving volume reduction through the nested arrangement of multiple units, reducing both device complexity and implementation costs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The nested configuration of box-shaped distribution units provides efficient volume reduction through simple geometric stacking rather than complex compression mechanisms. This nested approach minimizes the number of components needed, reduces manufacturing complexity, and lowers costs while achieving significant space efficiency during transportation.

Inventive Principle:
Principle #7Nested doll (Nesting)

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 method and system provide space-efficient, cost-effective, and time-efficient handling of acoustic panels by reducing damage and soiling, while ensuring easy decompression when needed.

Implementation Method 1

pressing the top part of the uppermost box-shaped distribution unit towards the bottom part of the lowermost box-shaped distribution unit for bringing each box-shaped distribution unit to the assembled state, thereby compressing the compressible acoustic panels contained in the box-shaped distribution units such that each stack has a compressed height of h1

Methodology Applied
Scientific EffectCompression: Compression

Data Source

PatentEP4450422B1Method and system for handling compressible acoustic panels
Publication Date: 2026.01.14 SAINT GOBAIN ECOPHON
  • EP4450422B1 patent drawingFigure 1A~1B
  • EP4450422B1 patent drawingFigure 1C~1D
  • EP4450422B1 patent drawingFigure 1E~1F

AI summary

The present invention relates to a method for handling compressible acoustic panels (2). The method comprises: providing a plurality of compressible acoustic panels (2); providing at least two box-shaped distribution units (10) which are bringable to an assembled state in which one of a top part (6) and a bottom part (3) is inserted into the other of the top part (6) and the bottom part (3) for defining a box volume having a box height h1; for each box-shaped distribution unit (10), forming a stack (1) comprising at least two compressible acoustic panels (2), each stack (1) having an uncompressed height h2 which is greater than box height h1; arranging each stack (1) in the bottom part (3) of the associated box-shaped distribution unit (10); arranging the top part (6) of the associated box-shaped distribution unit on top of each stack (2); stacking the at least two box-shaped distribution units (10) and pressing the top part (6') of the uppermost box-shaped distribution unit (10') towards the bottom part (3") of the lowermost box-shaped distribution unit (10") for bringing each box-shaped distribution unit (10) to the assembled state. The present invention further relates to a system (12) for handling compressible acoustic panels (2).