JPH03104460U - - Google Patents
Info
- Publication number
- JPH03104460U JPH03104460U JP1451590U JP1451590U JPH03104460U JP H03104460 U JPH03104460 U JP H03104460U JP 1451590 U JP1451590 U JP 1451590U JP 1451590 U JP1451590 U JP 1451590U JP H03104460 U JPH03104460 U JP H03104460U
- Authority
- JP
- Japan
- Prior art keywords
- material layer
- panel
- sound absorbing
- absorbing material
- soundproofing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011358 absorbing material Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 239000012212 insulator Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
Description
第１図は本考案による自動車用防音部材をイン
シユレータダツシユに適用した実施例を示す断面
図、第２図は本考案による防音部材と従来例との
間の遮音性能を比較して示すグラフ、第３図は本
考案による防音部材と従来例との間の室内騒音に
対する吸音率を比較して示すグラフ、第４図は本
考案による自動車用防音部材をルーフトリムに適
用した実施例を示す断面図、第５図は自動車用イ
ンシユレータダツシユの設定箇所を示す説明図、
第６図、第７図は従来の自動車用インシユレータ
ダツシユの構成を示す各断面図である。
１０……自動車用インシユレータダツシユ、１
１……ダツシユパネル、１２……パネル側吸音材
層、１３……パネル側遮音材層、１４……室内側
吸音材層、１５……室内側吸音材層、１６，２７
……透孔、２０……ルーフパネル、２１……ルー
フトリム。
Fig. 1 is a sectional view showing an example in which the automotive soundproofing member according to the present invention is applied to an insulator dash, and Fig. 2 shows a comparison of the sound insulation performance between the soundproofing member according to the present invention and a conventional example. Figure 3 is a graph comparing the sound absorption coefficient for indoor noise between the soundproofing member according to the present invention and a conventional example, and Figure 4 is a graph showing an example in which the soundproofing member for automobiles according to the present invention is applied to a roof trim. 5 is an explanatory diagram showing the setting locations of an automobile insulator dash,
6 and 7 are cross-sectional views showing the structure of a conventional insulator dash for an automobile. 10...Automotive insulator dash, 1
1...Dutch panel, 12...Panel side sound absorbing material layer, 13...Panel side sound insulating material layer, 14...Indoor side sound absorbing material layer, 15...Indoor side sound absorbing material layer, 16, 27
...Through hole, 20...Roof panel, 21...Roof trim.
Claims (1)
車用防音部材１０であつて、上記防音部材１０は
、車体パネル１１面から順次、パネル側吸音材層
１２、パネル側遮音材層１３、室内側吸音材層１
４、及び室内側遮音材層１５を積層させた積層構
造体から構成されているとともに、上記室内側遮
音材層１５には多数の透孔１６が開設されている
ことを特徴とする自動車用防音部材。 A soundproofing member 10 for an automobile is attached and fixed to the interior surface of a vehicle body panel 11, and the soundproofing member 10 includes a panel-side sound absorbing material layer 12, a panel-side soundproofing material layer 13, an interior surface in order from the vehicle body panel 11 surface. Sound absorbing material layer 1
4, and a laminated structure in which an indoor sound insulating material layer 15 is laminated, and the indoor sound insulating material layer 15 has a large number of through holes 16. Element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1451590U JPH03104460U (en) | 1990-02-16 | 1990-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1451590U JPH03104460U (en) | 1990-02-16 | 1990-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104460U true JPH03104460U (en) | 1991-10-30 |
Family
ID=31517876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1451590U Pending JPH03104460U (en) | 1990-02-16 | 1990-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104460U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06298014A (en) * | 1993-04-19 | 1994-10-25 | Kasai Kogyo Co Ltd | Soundproof member for vehicle |
| JP2005335684A (en) * | 2004-04-28 | 2005-12-08 | Takehiro:Kk | Super light sound insulating material |
| JP2008260432A (en) * | 2007-04-12 | 2008-10-30 | Kubota Corp | Traveling vehicle with cabin |
| US8491041B2 (en) | 2007-04-12 | 2013-07-23 | Kubota Corporation | Vehicle with cabin |
| WO2024004115A1 (en) * | 2022-06-30 | 2024-01-04 | 三菱電機株式会社 | Soundproofing device and compressor |
-
1990
- 1990-02-16 JP JP1451590U patent/JPH03104460U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06298014A (en) * | 1993-04-19 | 1994-10-25 | Kasai Kogyo Co Ltd | Soundproof member for vehicle |
| JP2005335684A (en) * | 2004-04-28 | 2005-12-08 | Takehiro:Kk | Super light sound insulating material |
| JP4691388B2 (en) * | 2004-04-28 | 2011-06-01 | 株式会社タケヒロ | Ultralight soundproof material |
| JP2008260432A (en) * | 2007-04-12 | 2008-10-30 | Kubota Corp | Traveling vehicle with cabin |
| US8491041B2 (en) | 2007-04-12 | 2013-07-23 | Kubota Corporation | Vehicle with cabin |
| WO2024004115A1 (en) * | 2022-06-30 | 2024-01-04 | 三菱電機株式会社 | Soundproofing device and compressor |