Title:
SOUND-INSULATING SHEET MEMBER AND SOUND-INSULATING STRUCTURE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/075807
Kind Code:
A1
Abstract:
Provided are a sound-insulating sheet member and a sound-insulating structure that comprises the sound-insulating sheet member that can be installed where there is limited installation space and are capable of low-frequency sound insulation. A sound-insulating sheet member according to the present invention includes a sheet that has rubber elasticity and one or more protrusions that have rubber elasticity and are provided to at least one surface of the sheet. There is a space at at least a portion of the periphery of the protrusions, and the protrusions have a slit at a tip-side inner wall surface thereof.
Inventors:
INOUE KAZUMA (JP)
KOMAMURA TAKAHIRO (JP)
SAITO YUYA (JP)
KOMAMURA TAKAHIRO (JP)
SAITO YUYA (JP)
Application Number:
PCT/JP2023/036325
Publication Date:
April 11, 2024
Filing Date:
October 05, 2023
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
G10K11/16; G10K11/162; G10K11/172
Attorney, Agent or Firm:
ICHIZAWA, KAWADA & ASSOCIATES (JP)
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