Title:
SOUND ABSORBING PANEL
Document Type and Number:
Japanese Patent JP2020133281
Kind Code:
A
Abstract:
To provide a sound absorbing panel which can provide a sound reduction effect with respect to the lateral and lower side of a sound source, and the extension line from the sound source to the sound absorbing panel, respectively.SOLUTION: A sound absorbing panel 1 installed on the uppermost stage of a sound-proof wall, is provided with an exterior member 10 having a front face part 11 facing the sound source side, a back face part 12, and a top surface part 14 located on the upper part of the sound absorbing panel 1, a vertical partition member 22 provided inside of the exterior member 10 and provided in the vertical direction to be located between the front face part 11 and the back face part 12, and sound absorbing members 2a, 2b provided inside of the exterior member 10. A first opening 16a and a second opening 16b are provided in the entire of the front face part 11 and the entire of the back face part 12. Further, a third opening 16c is provided on the top surface part 14.SELECTED DRAWING: Figure 2
Inventors:
YAMAMOTO KENJIRO
ABE YUKIO
ABE YUKIO
Application Number:
JP2019029373A
Publication Date:
August 31, 2020
Filing Date:
February 21, 2019
Export Citation:
Assignee:
NIPPON STEEL METAL PRODUCTS CO LTD
International Classes:
E01F8/00; E04B1/86; G10K11/16; G10K11/168
Domestic Patent References:
| JP2015132743A | 2015-07-23 | |||
| JPS5186011U | 1976-07-09 | |||
| JPS4993611U | 1974-08-13 | |||
| JP2014101747A | 2014-06-05 | |||
| JP2016050405A | 2016-04-11 | |||
| JP3207432U | 2016-11-10 | |||
| JP2016211344A | 2016-12-15 |
Attorney, Agent or Firm:
Yasuhiko