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Title:
SOUND ABSORPTION STRUCTURE AND SOUNDPROOF ROOM
Document Type and Number:
WIPO Patent Application WO/2016/047224
Kind Code:
A1
Abstract:
A sound absorption structure (1) is provided with: a rear face member (21) having a length in a predetermined direction; a front face member (22) having a smaller length than the rear face member (21) in the predetermined direction; and a sound absorption material (3) disposed in front of the rear face member (21). The front face member (22) is disposed in front of the rear face member (21) at a distance therefrom and in parallel therewith. An opening (23) is formed at a position adjacent to the front face member (22) in the predetermined direction. The sound absorption material (3) is provided both in a first region (24) located behind the opening (23) and in a second region (25) sandwiched between the front face member (22) and the rear face member (21).

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Inventors:
GEN HARUO (JP)
Application Number:
PCT/JP2015/067749
Publication Date:
March 31, 2016
Filing Date:
June 19, 2015
Export Citation:
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Assignee:
DAIWA HOUSE IND (JP)
International Classes:
G10K11/16; E04B1/86; E04B1/99
Foreign References:
JP2014041242A2014-03-06
JPH0726413U1995-05-19
JP2006063746A2006-03-09
JPH0542421U1993-06-08
JPH0657850A1994-03-01
JPS62144304U1987-09-11
Attorney, Agent or Firm:
IMY INTERNATIONAL PATENT OFFICE, P. C. (JP)
Patent business corporation eye I international patent firm (JP)
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