JP4362579B2 - 耐水吸音パネル材 - Google Patents
耐水吸音パネル材 Download PDFInfo
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- JP4362579B2 JP4362579B2 JP2007292904A JP2007292904A JP4362579B2 JP 4362579 B2 JP4362579 B2 JP 4362579B2 JP 2007292904 A JP2007292904 A JP 2007292904A JP 2007292904 A JP2007292904 A JP 2007292904A JP 4362579 B2 JP4362579 B2 JP 4362579B2
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Description
防水フィルムの面の局所的拘束は、孔明き板とフィルムと金属繊維マットとを貫通するリベットによる(請求項2)。リベットは軸方向のフィルムの動きを強く拘束せず、主として軸に直交する水平方向の動きを拘束する。
保護板は、厚さが概ね1mmで、開口率が少なくとも50%であるアルミニウム孔明き板又は格子板からなる(請求項3)。
図2は、実施例1の耐水吸音パネル材11について散水試験(JISL1092:スプレー法)を行っている様子である。試験体を水平に対して45°に傾け、スプレーノズル12から毎分3.8リットルの水を30秒間掛け、試験体の重量増加の有無を調べた。その結果830gの重量に増加は認められず、漏れ込みのないことが確認できた。
図3は、実施例1の耐水性吸音パネル材11に対して園芸用ノズル13で水道水を棒状にして強く掛けている様子である。角度45°、水量6.7リットル/分で30秒間の散水を行ったところ、試験体重量の増加は認められなかった。
2 アルミニウム繊維マット
3 ハニカム材
4 連通気泡の硬質樹脂発泡体
5 接着剤
6 フィルム
7 孔明き板又は格子板(保護板)
8 シリコンシール剤
9 コ型枠材
10 排出口
11 耐水吸音パネル材
12 スプレーノズル
13 園芸用散水ノズル
14 リベット
15 額縁状枠板
Claims (3)
- ハニカム材のセルに連通気泡を有する発泡体を充填して芯材とし、該芯材の一方の面に金属繊維マットを、他方の面に非通気面材を配置して成る吸音パネル材に対し、
金属繊維マット面を防水用の極薄フィルムで覆うために該マットの周縁部に薄い額縁状枠板を取り付け、枠板面にフィルムを載せてフィルムが弛みを伴う状態で周囲を接合し、
さらに、フィルム面を開口部を有する保護板で覆い、且つ保護板と金属繊維マットとが枠板を介して作る空隙内で、フィルムの垂直方向を音響振動自在に緩く挟持しつつ、フィルム面を局所的に拘束することにより、
吸音性を高く維持しつつ耐水性を付与した耐水吸音パネル材。 - 前記フィルム面の局所的拘束は、保護材とフィルムと金属繊維マットとを貫通するリベットによる、請求項1記載の耐水吸音パネル材。
- 前記保護板は、厚さが0.8ないし1mmで、開口率が少なくとも50%であるアルミニウム孔明き板又は格子板である、請求項1又は2記載の耐水吸音パネル材。
Priority Applications (1)
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JP2007292904A JP4362579B2 (ja) | 2007-11-12 | 2007-11-12 | 耐水吸音パネル材 |
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JP2007292904A JP4362579B2 (ja) | 2007-11-12 | 2007-11-12 | 耐水吸音パネル材 |
Publications (2)
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JP2009121032A JP2009121032A (ja) | 2009-06-04 |
JP4362579B2 true JP4362579B2 (ja) | 2009-11-11 |
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JP2007292904A Active JP4362579B2 (ja) | 2007-11-12 | 2007-11-12 | 耐水吸音パネル材 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4982767B2 (ja) * | 2007-12-27 | 2012-07-25 | 東日本高速道路株式会社 | 橋梁伸縮装置部の防音構造体 |
GB2483266B (en) * | 2010-09-01 | 2013-03-06 | Echo Barrier Ltd | Sound absorbent barrier |
JP5956786B2 (ja) * | 2012-03-05 | 2016-07-27 | 株式会社クラレ | 吸音パネル並びに吸音方法及び音響改善方法 |
JP5122697B1 (ja) * | 2012-07-13 | 2013-01-16 | 株式会社 静科 | 耐候防音壁のパネル構造体及び製造方法 |
JP6518431B2 (ja) * | 2014-12-03 | 2019-05-22 | ニッコープランニング株式会社 | 防音パネル |
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2007
- 2007-11-12 JP JP2007292904A patent/JP4362579B2/ja active Active
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