SOUND INSULATION SHEET, MANUFACTURING METHOD THEREOF, AND SOUND INSULATION STRUCTURE

Title:

SOUND INSULATION SHEET, MANUFACTURING METHOD THEREOF, AND SOUND INSULATION STRUCTURE

Document Type and Number:

WIPO Patent Application WO/2020/196910

Kind Code:

A1

Abstract:

[Problem] To provide a sound insulation sheet member which has excellent performance in insulating low-frequency band noise and has a compact structure. [Solution] A sound insulation sheet member 1 has a substrate 2 and a concave-convex structure 3 disposed on at least one of the surfaces of the substrate 2. The concave-convex structure 3 is provided in a form in which a concave-convex unit shape 4 including linear convex sections 5 is used as a unit, and a plurality of these units are arranged repeatedly, at approximately fixed intervals in one direction, on the surface of the substrate 2.

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JPH05255985	PARTITIONING STRUCTURE
WO/2014/115340	SOUND PROOF ROOM

Inventors:

KOSHITOUGE HARUKI (JP)
KOGA SHOGO (JP)
UCHIDA NAOYUKI (JP)
INOUE KAZUMA (JP)
NAKAYAMA MASANARI (JP)
SAITO YUYA (JP)

Application Number:

PCT/JP2020/014435

Publication Date:

October 01, 2020

Filing Date:

March 30, 2020

Export Citation:

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Assignee:

MITSUBISHI CHEM CORP (JP)

International Classes:

E04B1/82; G10K11/16; G10K11/162

Domestic Patent References:

WO2017135409A1	2017-08-10
WO2017135409A1	2017-08-10

Foreign References:

JP2006023423A	2006-01-26
JP2000170123A	2000-06-20
JP2013231316A	2013-11-14
JP2017227109A	2017-12-28
JP2000265593A	2000-09-26

Other References: