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Title:
SOUND PROOF WALL FACILITY AND SOUND ABSORPTION PANEL
Document Type and Number:
Japanese Patent JP2019052528
Kind Code:
A
Abstract:
To provide a sound proof wall facility and a sound absorption panel which can provide sufficient sound proof effect even in the portion of a region III or above.SOLUTION: A sound proof panel 1A outfitted with a sound absorption material and provided with a sound insulation surface without any hole is arranged in a plurality of stages along a vertically stacking direction axis VL, and a sound absorption panel 1B is provided which has other sound absorption material 10 further on the uppermost stage of the sound proof panel 1A and allows the sound to pass through from a sound source side toward a rear side. The other sound absorption material 10 of the sound absorption panel has a first sound absorption portion which is a sound source side surface 10x arranged in an inclined manner toward the sound source side with respect to the stacking direction axis VL with a side view.SELECTED DRAWING: Figure 8

Inventors:
HOSHINO YASUSHI
KIYAMA MASAKAZU
YATSUNAMI SHIMPEI
ARAKI KUNIHIKO
Application Number:
JP2018171730A
Publication Date:
April 04, 2019
Filing Date:
September 13, 2018
Export Citation:
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Assignee:
NIPPON SHEET GLASS ENV AMENITY CO LTD
ACOUSTICS DESIGN RES INSTITUTE CO LTD
International Classes:
E01F8/00; E04B1/82; E04B1/86; G10K11/16; G10K11/162
Domestic Patent References:
JP2014101747A2014-06-05
JP2002121713A2002-04-26
JPH09151427A1997-06-10
JP2001032219A2001-02-06
JPH0718631A1995-01-20
JPH0510516U1993-02-12
JP2016211344A2016-12-15
JP2005282276A2005-10-13
JPS52118932A1977-10-05
Other References:
中島 聡史，河井　康人，豊田　政弘: "”エッジ効果抑制型遮音壁の性能向上の検討”", 日本音響学会 ２０１６年 秋季研究発表会講演論文集ＣＤ−ＲＯＭ ［ＣＤ−ＲＯＭ］, JPN6022022921, 2016, pages 945 - 946, ISSN: 0004936448
Attorney, Agent or Firm:
Koji Kitamura
Toshio Takao
Ryo Asao



 
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