Title:
SOUND-INSULATING SHEET MEMBER AND SOUND-INSULATING STRUCTURE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2022/211037
Kind Code:
A1
Abstract:
The present invention provides a sound-insulating sheet member, as well as a sound-insulating structure provided with the same, that can be installed in a place having only a limited installation space and that enable sound insulation for low frequencies. A sound-insulating sheet member according to the present invention includes: a sheet member having rubber elasticity; and a plurality of projections provided on at least one of the faces of the sheet member and having rubber elasticity. Either or both of the projections and a region where the projections are provided on the sheet member include a space section.
Inventors:
INOUE KAZUMA (JP)
KOMAMURA TAKAHIRO (JP)
SAITO YUYA (JP)
MATSUOKA TAKESHI (JP)
KOMAMURA TAKAHIRO (JP)
SAITO YUYA (JP)
MATSUOKA TAKESHI (JP)
Application Number:
PCT/JP2022/016573
Publication Date:
October 06, 2022
Filing Date:
March 31, 2022
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
G10K11/16; G10K11/172
Domestic Patent References:
| WO2020050358A1 | 2020-03-12 | |||
| WO2017135409A1 | 2017-08-10 |
Foreign References:
| JP2000265593A | 2000-09-26 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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