Title:
SOUND-ABSORBING WEDGE
Document Type and Number:
WIPO Patent Application WO/2020/202302
Kind Code:
A1
Abstract:
This sound-absorbing wedge can reduce acoustic reflection and can also reduce weight. The present invention relates to a sound-absorbing wedge 1 that includes a wedge portion 2 that is formed in the shape of a mountain so as to have ridge lines 2a. The sound-absorbing wedge 1 has a protective cloth 3 that is arranged at the outside surface of the wedge portion 2 so as to form a wedge portion 2 internal space 2b. The protective cloth 3 has body parts 4 and stiff parts 5 that are stiffer than the body parts 4. The stiff parts 5 are arranged along the ridge lines 2a of the wedge portion 2, and the protective cloth 3 is supported by the stiff parts 5.
Inventors:
TSUGANE TAKAMITSU (JP)
Application Number:
PCT/JP2019/014146
Publication Date:
October 08, 2020
Filing Date:
March 29, 2019
Export Citation:
Assignee:
NIHON ONKYO ENG CO LTD (JP)
International Classes:
G10K11/16
Foreign References:
| JPS52119301A | 1977-10-06 | |||
| JPS6370190A | 1988-03-30 | |||
| JPH07508807A | 1995-09-28 |
Attorney, Agent or Firm:
OKUYAMA, Shoichi et al. (JP)
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