JPS62200426U - - Google Patents
Info
- Publication number
- JPS62200426U JPS62200426U JP8927086U JP8927086U JPS62200426U JP S62200426 U JPS62200426 U JP S62200426U JP 8927086 U JP8927086 U JP 8927086U JP 8927086 U JP8927086 U JP 8927086U JP S62200426 U JPS62200426 U JP S62200426U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- asphalt
- polyurethane foam
- containing polyurethane
- sound
- 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.)
- Granted
Links
- 239000010426 asphalt Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 239000011496 polyurethane foam Substances 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
第１図は本考案の内装材の一実施例の断面図で
あり、第２図は周波数と吸音率の関係を示すグラ
フである。第３図は本考案の内装材の別の実施例
の断面図で、第４図はそれに使用した開口部を有
するアスフアルト入りポリウレタンフオームの平
面図である。第５図は周波数と遮音性能との関係
を示すグラフである。第６図は従来の防音内装材
の断面図である。
１，１１…ボデー鉄板、２，１２…アスフアル
ト制振材、３，１３…吸音材、４…アスフアルト
入りポリウレタンフオーム、５，１５…遮音材、
６…開口部を有するアスフアルト入りポリウレタ
ンフオーム、７，１７…車体パネル、８，１８…
内装材。
FIG. 1 is a sectional view of one embodiment of the interior material of the present invention, and FIG. 2 is a graph showing the relationship between frequency and sound absorption coefficient. FIG. 3 is a sectional view of another embodiment of the interior material of the present invention, and FIG. 4 is a plan view of an asphalt-filled polyurethane foam having openings used therein. FIG. 5 is a graph showing the relationship between frequency and sound insulation performance. FIG. 6 is a sectional view of a conventional soundproof interior material. 1, 11... Body iron plate, 2, 12... Asphalt vibration damping material, 3, 13... Sound absorbing material, 4... Polyurethane foam containing asphalt, 5, 15... Sound insulating material,
6... Polyurethane foam containing asphalt having an opening, 7, 17... Vehicle body panel, 8, 18...
Interior materials.
Claims (1)
材層、第二層にアスフアルト入りポリウレタンフ
オーム層、第三層に遮音材層を順次密接させた構
造からなる車輌用内装材。 (2) 第二層のアスフアルト入りポリウレタンフ
オーム層が任意の形状の開口部を該層面積の約５
〜４０％有するものである実用新案登録請求の範
囲第(1)項記載の車輌用内装材。[Scope of claim for utility model registration] (1) Structure in which the first layer is a sound absorbing material layer, the second layer is an asphalt-containing polyurethane foam layer, and the third layer is a sound insulating material layer in close contact with the interior side of the vehicle body panel. A vehicle interior material made of (2) The second asphalt-containing polyurethane foam layer forms an opening of an arbitrary shape by approximately 50% of the area of the layer.
40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986089270U JPH0425319Y2 (en) | 1986-06-13 | 1986-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986089270U JPH0425319Y2 (en) | 1986-06-13 | 1986-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62200426U true JPS62200426U (en) | 1987-12-21 |
| JPH0425319Y2 JPH0425319Y2 (en) | 1992-06-17 |
Family
ID=30948109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986089270U Expired JPH0425319Y2 (en) | 1986-06-13 | 1986-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425319Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6084473U (en) * | 1983-11-18 | 1985-06-11 | 林テレンプ株式会社 | Sound insulation material for automobiles |
-
1986
- 1986-06-13 JP JP1986089270U patent/JPH0425319Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6084473U (en) * | 1983-11-18 | 1985-06-11 | 林テレンプ株式会社 | Sound insulation material for automobiles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425319Y2 (en) | 1992-06-17 |
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