LIGHT PERMEABLE SOUND INSULATION SHEET MEMBER AND SOUND INSULATION STRUCTURE USING THE SAME

Title:

LIGHT PERMEABLE SOUND INSULATION SHEET MEMBER AND SOUND INSULATION STRUCTURE USING THE SAME

Document Type and Number:

Japanese Patent JP2019031899

Kind Code:

A

Abstract:

To provide a sound insulation sheet member that has high sound insulation performance exceeding the mass law in spite of being relatively light-weight, has light permeability, is flexible, has the high degree of design freedom and excellent versatility, and is to be easily manufactured to enable improvement of productivity and profitability, and provide a sound insulation structure and the like using the sound insulation sheet member.SOLUTION: A sound insulation sheet member comprises at least a sheet having rubber elasticity and a plurality of resonant parts. The resonant parts are provided in contact with a sheet surface of the sheet. The whole light transmittance is equal to or higher than 40%.SELECTED DRAWING: Figure 1

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Inventors:

KOGA TAKASATO
SUGIURA KATSUHIKO
CHEN YUAN
HATTORI TOSHIAKI
OKUNO DAICHI
KOSHITOUGE HARUKI
AMAKO KATSUYA

Application Number:

JP2018147103A

Publication Date:

February 28, 2019

Filing Date:

August 03, 2018

Export Citation: