Title:
SOUND ABSORPTION AND INSULATION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/066284
Kind Code:
A1
Abstract:
According to the present invention, a sound absorption and insulation member (13), which is a plate-like member that is bent so as to alternately abut a first partitioning member (11) and a second partitioning member (12), has a plurality of hollow protruding sections (15) that protrude so as to fill the gap between the respective partitioning members. A first space part and a second space part are formed between the first partitioning member (11) and the second partitioning member (12), wherein the first space part is inside the protruding sections (15) and closed by the first partitioning member (11), and the second space part is provided between the neighboring protruding sections (15) and closed by the second partitioning member (12). The first space part and the second space part are connected by a communication part (30) that is formed as a portion of the protruding sections (15) and communicates the inside and the outside of the protruding sections (15). A second space part-side opening of the communication part (30) is provided to a side wall part of the protruding sections (15) arranged between the first partitioning member (11) and the second partitioning member (12).
More Like This:
| WO/2023/013323 | SOUND-ABSORBING MEMBER, SOUND-ABSORBING PANEL, AND SOUND-ABSORBING WALL |
| WO/2021/064871 | ELECTRIC COMPONENT HOUSING |
| JPH07248776 | STRUCTURE OF COMPOSITE SOUND ABSORBING MATERIAL |
Inventors:
SEGI MAKOTO (JP)
Application Number:
PCT/JP2019/030125
Publication Date:
April 02, 2020
Filing Date:
August 01, 2019
Export Citation:
Assignee:
TOYOTA AUTO BODY CO LTD (JP)
International Classes:
G10K11/172; B32B3/28; B32B5/02; B60R13/08; E04B1/86; G10K11/16; G10K11/168
Foreign References:
| JP2015108285A | 2015-06-11 | |||
| JP2016177117A | 2016-10-06 |
Attorney, Agent or Firm:
OKADA PATENT & TRADEMARK OFFICE, P. C. (JP)
Download PDF: