Title:
An acoustical panel and sound-insulating-wall equipment
Document Type and Number:
Japanese Patent JP5957622
Kind Code:
B2
Abstract:
A sound absorbing panel is provided above an uppermost of soundproof panels arranged in plural stages in a vertical direction and each having a back surface opposite to a sound source side, the back surface being formed to be a sound insulating surface, the sound absorbing panel including: an outer frame body having therein an acoustic space in which a first acoustic material is provided, the outer frame body allowing formation of a partition wall separating a sound source and a surrounding area from each other, the outer frame body having, at a front and back portions thereof, sound transmitting surfaces each having multiple sound through holes allowing transfer of sound between the acoustic space and outside thereof; and a second acoustic material provided above an upper end of the outer frame body such that a peripheral surface of the second acoustic material except for a corner portion is air-permeable.
Inventors:
Hoshino Yasushi
Kiyama Masakazu
Hachinami Shinpei
Junichi Fukito
Kiyama Masakazu
Hachinami Shinpei
Junichi Fukito
Application Number:
JP2015559744A
Publication Date:
July 27, 2016
Filing Date:
November 27, 2014
Export Citation:
Assignee:
Nippon Sheet Glass Environmental Amenity Co., Ltd.
International Classes:
E01F8/00
Domestic Patent References:
| JP2000144651A | 2000-05-26 | |||
| JPS62186200U | 1987-11-26 | |||
| JP2002266322A | 2002-09-18 | |||
| JPS612516U | 1986-01-09 | |||
| JP2005030116A | 2005-02-03 | |||
| JP2014101747A | 2014-06-05 | |||
| JPS5026316A | 1975-03-19 | |||
| JP2008111307A | 2008-05-15 | |||
| JPH06306822A | 1994-11-01 | |||
| JPS5186011U | 1976-07-09 |
Foreign References:
| WO2012102278A1 | 2012-08-02 |
Attorney, Agent or Firm:
Koji Kitamura
Toshio Takao
Naoko Shimada
Toshio Takao
Naoko Shimada