Title:
吸遮音構造
Document Type and Number:
Japanese Patent JP7028125
Kind Code:
B2
Abstract:
A sound absorbing and insulating member alternately brought into contact with a first partition member and a second partition member. The sound absorbing and insulating member has a plurality of hollow protrusions protruding so as to traverse a gap between the partition members. There is a first and second space between the first and second partition member. The first space is formed in each protrusion and is closed by the first partition member. The second space is provided between adjacent protrusions and is closed by the second partition member. The first and second spaces communicate with each other through a communication part formed as a part of the protrusion. The communication part is configured to communicate an inside of the protrusion with an outside. An opening of the communication part opened to the second space is provided at a side wall of the protrusion.
Inventors:
Makoto Seki
Application Number:
JP2018179309A
Publication Date:
March 02, 2022
Filing Date:
September 25, 2018
Export Citation:
Assignee:
Toyota Auto Body Co., Ltd.
International Classes:
G10K11/16; B32B3/28; B32B5/02; B60R13/08; E04B1/86; G10K11/168; G10K11/172
Domestic Patent References:
| JP2015108285A | ||||
| JP2016177117A |
Attorney, Agent or Firm:
Okada International Patent Office