Title:
POROUS SOUND-ABSORBING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2014/038445
Kind Code:
A1
Abstract:
This porous sound-absorbing structure comprises: an outer material (2) having a smooth curved surface shape; an inner material (3) having an uneven shape and having a hollow (S) formed between the outer material (2) and same by having a perimeter bonded to that of the outer material (2); and a reinforcing sheet material (4) having a plurality of holes (5) and attached to the surface on the hollow (S) side of the inner material so as form an air layer between said surface and the reinforcing sheet material. The inside of the hollow (S) has sound absorbing properties as a result of the reinforcing sheet material (4).
Inventors:
YAMAGIWA ICHIRO
YAMAGUCHI ZENZO
SUGIMOTO AKIO
MUKAI YOSHIKAZU
ISHITOBI HIDEKI
YAMAGUCHI ZENZO
SUGIMOTO AKIO
MUKAI YOSHIKAZU
ISHITOBI HIDEKI
Application Number:
PCT/JP2013/072992
Publication Date:
March 13, 2014
Filing Date:
August 28, 2013
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
G10K11/16; B60R13/08; B62D25/12
Foreign References:
| JP2007245853A | 2007-09-27 | |||
| JP2012013912A | 2012-01-19 | |||
| JP2005099789A | 2005-04-14 |
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
Yuriko Hamada (JP)
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