Entangled Net With Crumb For Sound Deadening

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Solution Overview

Problem

Current sound deadening products in flooring systems, including those using entangled nets, do not meet the higher sound isolation standards required for multi-family dwellings, as they fail to adequately absorb acoustical energy and prevent sound transmission between living spaces.

Innovation Solution

An entangled net product with crumb dispersed throughout, where the crumb can be rubber, foam, natural, or synthetic elastic materials, and is adhered to the net, optionally with barrier layers to enhance sound absorption and prevent crumb loss, is used as a sound deadening material in flooring systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional entangled net products are used for sound deadening, then installation is simplified, but sound isolation performance is insufficient

Engineering Contradiction:
Improveinstallation easeVSAvoidsound isolation performance
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent combines entangled net with crumb rubber particles to create a composite material that maintains the installation advantages of the net while significantly improving sound isolation performance. The crumb rubber particles are distributed within the net structure, creating a multi-component system that addresses both ease of installation and acoustic performance requirements

Inventive Principle:
Principle #40Composite materials

2Reliability

If gypsum material is used for sound deadening, then sound isolation is improved, but the weight of the flooring system increases

Engineering Contradiction:
Improvesound isolation performanceVSAvoidflooring system weight
Core Design Contradiction:
ReliabilityVSWeight of stationary object

Solution Approach 1:

The patent changes the material parameters by using crumb rubber particles with specific size ranges (0.5mm to 5mm diameter) and controlling their distribution density within the entangled net. This allows optimization of acoustic performance while maintaining a lightweight structure compared to traditional gypsum solutions

Inventive Principle:
Principle #35Parameter changes

3Reliability

If more crumb material is added to enhance sound absorption, then sound deadening improves, but manufacturing complexity increases

Engineering Contradiction:
Improvesound deadening propertiesVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The crumb rubber particles are pre-mixed with the entangled net material during the manufacturing process, creating a homogeneous composite before installation. This preliminary mixing action simplifies the overall manufacturing process by eliminating the need for separate application steps, while still achieving the desired sound absorption enhancement through controlled crumb distribution

Inventive Principle:
Principle #10Preliminary action

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 entangled net with crumb effectively absorbs acoustical energy, providing improved sound deadening properties that exceed previous solutions, reducing sound transmission between living spaces and facilitating easy installation without additional fastening methods.

Implementation Method 1

The entangled net with crumb effectively absorbs acoustical energy, providing improved sound deadening properties

Methodology Applied
Scientific EffectAcoustic absorption: Acoustic Absorption

Data Source

PatentUS9528279B2Entangled net product with crumb
Publication Date: 2016.12.27 ADVANCED BUILDING PRODS
  • US9528279B2 patent drawing
  • US9528279B2 patent drawing
  • US9528279B2 patent drawing

AI summary

An entangled net having a crumb dispersed therein may be used as a sound deadening material in a flooring system. The crumb may be adhered to said entangled net. The entangled net may include a first barrier layer affixed to an upper surface of said entangled net and/or a second barrier layer affixed to a lower surface of said entangled net. The crumb may be selected from the group consisting of: rubber; foam; natural elastic materials; synthetic elastic materials; fibers; and combinations thereof. The method of use and manufacture are also disclosed.