JP2008094231A - 車両の防音構造 - Google Patents
車両の防音構造 Download PDFInfo
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- JP2008094231A JP2008094231A JP2006277671A JP2006277671A JP2008094231A JP 2008094231 A JP2008094231 A JP 2008094231A JP 2006277671 A JP2006277671 A JP 2006277671A JP 2006277671 A JP2006277671 A JP 2006277671A JP 2008094231 A JP2008094231 A JP 2008094231A
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
【解決手段】ダッシュパネル10の車室内面側に取り付けられるインシュレータダッシュ20は、多孔質吸音機能を有する吸音層30と、通気量をコントロールすることであらゆる周波数域の騒音を吸音・遮音することができる低通気層40と、吸音層30と低通気層40とを一体化する接着層50とから構成されている。そして、接着層50により剥離強度0.01〜10.0N/cmの範囲で強固に一体化して、剥離不良を確実に防止するとともに、低通気層40における通気量をコントロールすることで、良好な吸音性能、遮音性能を剥離不良が生じることなく長期に亘り確保する。
【選択図】図2
Description
20 インシュレータダッシュ(防音材)
30 吸音層
40 低通気層
41 溶融層
42 基材層
50 接着層
60 開繊機
61 フィーダー
62 クロスレイヤー
63 熱処理機
64 サーマルローラー
65 巻取りロール
70 搬送テーブル
71 パウダー散布器
72 熱風加熱炉
73 コールドプレス成形用金型
74 クランプ装置
75 赤外線ヒーター装置
M1 原反マット(吸音層形成用)
M2 原反マット(低通気層形成用)
P 樹脂パウダー
Claims (3)
- 車体パネル(10)の室内面側に防音材(20)を取り付けてなる車両の防音構造において、
前記防音材(20)は、車体パネル(10)の室内面形状に即して成形された吸音層(30)と、この吸音層(30)の車室内面側に一体化される低通気層(40)と、吸音層(30)と低通気層(40)とを強固に一体化する接着層(50)とから構成され、低通気層(40)は溶融層(41)と基材層(42)との積層体からなり、低通気層(40)の通気量を0.1〜30cm3 /cm2 ・secの範囲内に設定したことを特徴とする車両の防音構造。 - 前記接着層(50)により低通気層(40)と吸音層(30)との間の剥離強度が0.01〜10.0N/cmに設定されていることを特徴とする請求項1に記載の車両の防音構造。
- 前記低通気層(40)は、合成繊維をマット状に集積した繊維集積体の表面に熱処理を施すことで、表面に形成される溶融層(41)と、非溶融状の基材層(42)との積層体から構成され、低通気層(40)の厚みに対する溶融層(41)の厚みが5〜80%の範囲内に設定されていることを特徴とする請求項1又は2に記載の車両の防音構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006277671A JP5008061B2 (ja) | 2006-10-11 | 2006-10-11 | 車両の防音構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006277671A JP5008061B2 (ja) | 2006-10-11 | 2006-10-11 | 車両の防音構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008094231A true JP2008094231A (ja) | 2008-04-24 |
JP5008061B2 JP5008061B2 (ja) | 2012-08-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006277671A Expired - Fee Related JP5008061B2 (ja) | 2006-10-11 | 2006-10-11 | 車両の防音構造 |
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JP (1) | JP5008061B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010184655A (ja) * | 2009-02-13 | 2010-08-26 | Kurabo Ind Ltd | 積層吸音材 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005019783A1 (ja) * | 2003-08-25 | 2005-03-03 | Takayasu Co., Ltd. | 吸音材 |
JP2005523196A (ja) * | 2002-04-22 | 2005-08-04 | ライダル・インコーポレイテッド | 密度勾配型パッド材及びその製造方法 |
JP2005227747A (ja) * | 2003-10-29 | 2005-08-25 | Takehiro:Kk | 超軽量な防音材 |
JP2006098890A (ja) * | 2004-09-30 | 2006-04-13 | Toray Ind Inc | 吸音材およびその製造方法 |
-
2006
- 2006-10-11 JP JP2006277671A patent/JP5008061B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005523196A (ja) * | 2002-04-22 | 2005-08-04 | ライダル・インコーポレイテッド | 密度勾配型パッド材及びその製造方法 |
WO2005019783A1 (ja) * | 2003-08-25 | 2005-03-03 | Takayasu Co., Ltd. | 吸音材 |
JP2005227747A (ja) * | 2003-10-29 | 2005-08-25 | Takehiro:Kk | 超軽量な防音材 |
JP2006098890A (ja) * | 2004-09-30 | 2006-04-13 | Toray Ind Inc | 吸音材およびその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010184655A (ja) * | 2009-02-13 | 2010-08-26 | Kurabo Ind Ltd | 積層吸音材 |
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JP5008061B2 (ja) | 2012-08-22 |
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