Title:
TRANSLUCENT SOUND-ABSORBING PANEL
Document Type and Number:
WIPO Patent Application WO/2013/054902
Kind Code:
A1
Abstract:
Provided is a translucent sound-absorbing panel which has improved sound absorption, and improved translucency and transparency. An internal porous board (4) comprising a large number of through-holes (14) is positioned between a front surface porous board (2) and a rear surface sound-insulating board (3). The internal porous board (4) is made from a material such as resin which is translucent and transparent, and the board thickness falls within the range of 0.2mm to 1.5mm.
Inventors:
YAMAGIWA ICHIRO (JP)
MATSUDA HIROSHI (JP)
YAMADA TAKAHIRO (JP)
HORIO MASAJI (JP)
NAKAJIMA SHINICHI (JP)
MATSUDA HIROSHI (JP)
YAMADA TAKAHIRO (JP)
HORIO MASAJI (JP)
NAKAJIMA SHINICHI (JP)
Application Number:
PCT/JP2012/076486
Publication Date:
April 18, 2013
Filing Date:
October 12, 2012
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
SHINKO KENZAI LTD (JP)
SHINKO KENZAI LTD (JP)
International Classes:
E01F8/00; E01B19/00
Foreign References:
| JP2007100394A | 2007-04-19 | |||
| JP2002146727A | 2002-05-22 | |||
| JP2007262765A | 2007-10-11 | |||
| JP2005173398A | 2005-06-30 | |||
| JP2008138505A | 2008-06-19 | |||
| JP2008009014A | 2008-01-17 | |||
| JP2010084428A | 2010-04-15 |
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
Yuriko Hamada (JP)
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Claims: