WO2008155981A1 - 吸音体 - Google Patents
吸音体 Download PDFInfo
- Publication number
- WO2008155981A1 WO2008155981A1 PCT/JP2008/059745 JP2008059745W WO2008155981A1 WO 2008155981 A1 WO2008155981 A1 WO 2008155981A1 JP 2008059745 W JP2008059745 W JP 2008059745W WO 2008155981 A1 WO2008155981 A1 WO 2008155981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sound absorbing
- absorbing layer
- elastic modulus
- storing elastic
- absorbing device
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
本発明は、貫通孔が形成された枠体と、貫通孔の一方の開口を覆う膜振動型吸音材を有する吸音体であって、膜振動型吸音材が、複数の吸音層が一体化された積層体からなり、前記複数の吸音層のうち最も貯蔵弾性率が高い吸音層を第1の吸音層、最も貯蔵弾性率が低い吸音層を第2の吸音層とし、前記第1の吸音層の貯蔵弾性率をE’1、前記第2の吸音層の貯蔵弾性率をE’2とするとき、E’1/E’2≧3であり、かつ前記積層体において第1の吸音層から外側に向かって、各吸音層の貯蔵弾性率が漸次減少している吸音体を提供する。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007162518A JP5080877B2 (ja) | 2007-06-20 | 2007-06-20 | 吸音体 |
JP2007-162518 | 2007-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008155981A1 true WO2008155981A1 (ja) | 2008-12-24 |
Family
ID=40156140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/059745 WO2008155981A1 (ja) | 2007-06-20 | 2008-05-27 | 吸音体 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5080877B2 (ja) |
WO (1) | WO2008155981A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017063317A1 (en) * | 2015-10-14 | 2017-04-20 | Audio Klaraty Limited | Laminated glass & laminated acrylic loudspeaker enclosure |
CN107408378A (zh) * | 2015-02-27 | 2017-11-28 | 富士胶片株式会社 | 防音结构及防音结构的制造方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010237418A (ja) * | 2009-03-31 | 2010-10-21 | Hiroshima Prefecture | 吸音材 |
JP6585315B2 (ja) * | 2017-02-14 | 2019-10-02 | 富士フイルム株式会社 | 防音構造体 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000053731A (ja) * | 1998-06-04 | 2000-02-22 | Mitsubishi Motors Corp | 制振性樹脂組成物及び該樹脂組成物を用いた構造用制振性樹脂成形品 |
JP2000163078A (ja) * | 1998-11-25 | 2000-06-16 | Chugoku Rubber Kogyo Kk | 制振材 |
JP2001247626A (ja) * | 2000-03-06 | 2001-09-11 | Chisso Corp | 制振性ポリプロピレン |
JP2002220890A (ja) * | 2001-01-26 | 2002-08-09 | Sekisui Chem Co Ltd | 防音間仕切り |
JP2005232465A (ja) * | 1995-05-12 | 2005-09-02 | Huntsman Internatl Llc | 新規な軟質ポリウレタンフォーム |
JP2006283847A (ja) * | 2005-03-31 | 2006-10-19 | Kyowa Ltd | 遮音カバー及び遮音カバー付配管体 |
JP2006308679A (ja) * | 2005-04-26 | 2006-11-09 | Tokyo Institute Of Technology | 吸音周波数の制御方法、および吸音構造体 |
WO2006118160A1 (ja) * | 2005-04-27 | 2006-11-09 | Prime Polymer Co., Ltd. | プロピレン系樹脂押出発泡複合体 |
JP2006330570A (ja) * | 2005-05-30 | 2006-12-07 | Tokai Rubber Ind Ltd | 制振性を備えた防音カバーとその製造方法 |
-
2007
- 2007-06-20 JP JP2007162518A patent/JP5080877B2/ja active Active
-
2008
- 2008-05-27 WO PCT/JP2008/059745 patent/WO2008155981A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005232465A (ja) * | 1995-05-12 | 2005-09-02 | Huntsman Internatl Llc | 新規な軟質ポリウレタンフォーム |
JP2006089752A (ja) * | 1995-05-12 | 2006-04-06 | Huntsman Internatl Llc | 新規な軟質ポリウレタンフォーム |
JP2000053731A (ja) * | 1998-06-04 | 2000-02-22 | Mitsubishi Motors Corp | 制振性樹脂組成物及び該樹脂組成物を用いた構造用制振性樹脂成形品 |
JP2000163078A (ja) * | 1998-11-25 | 2000-06-16 | Chugoku Rubber Kogyo Kk | 制振材 |
JP2001247626A (ja) * | 2000-03-06 | 2001-09-11 | Chisso Corp | 制振性ポリプロピレン |
JP2002220890A (ja) * | 2001-01-26 | 2002-08-09 | Sekisui Chem Co Ltd | 防音間仕切り |
JP2006283847A (ja) * | 2005-03-31 | 2006-10-19 | Kyowa Ltd | 遮音カバー及び遮音カバー付配管体 |
JP2006308679A (ja) * | 2005-04-26 | 2006-11-09 | Tokyo Institute Of Technology | 吸音周波数の制御方法、および吸音構造体 |
WO2006118160A1 (ja) * | 2005-04-27 | 2006-11-09 | Prime Polymer Co., Ltd. | プロピレン系樹脂押出発泡複合体 |
JP2006330570A (ja) * | 2005-05-30 | 2006-12-07 | Tokai Rubber Ind Ltd | 制振性を備えた防音カバーとその製造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107408378A (zh) * | 2015-02-27 | 2017-11-28 | 富士胶片株式会社 | 防音结构及防音结构的制造方法 |
EP3264412A4 (en) * | 2015-02-27 | 2018-05-30 | FUJIFILM Corporation | Sound insulation structure and method for manufacturing sound insulation structure |
US10099317B2 (en) | 2015-02-27 | 2018-10-16 | Fujifilm Corporation | Soundproof structure and soundproof structure manufacturing method |
CN107408378B (zh) * | 2015-02-27 | 2021-01-12 | 富士胶片株式会社 | 防音结构及防音结构的制造方法 |
WO2017063317A1 (en) * | 2015-10-14 | 2017-04-20 | Audio Klaraty Limited | Laminated glass & laminated acrylic loudspeaker enclosure |
US10397695B2 (en) | 2015-10-14 | 2019-08-27 | Audio Klaraty Limited | Laminated glass and laminated acrylic loudspeaker enclosure |
Also Published As
Publication number | Publication date |
---|---|
JP5080877B2 (ja) | 2012-11-21 |
JP2009003089A (ja) | 2009-01-08 |
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