JPH02127430U - - Google Patents
Info
- Publication number
- JPH02127430U JPH02127430U JP3744389U JP3744389U JPH02127430U JP H02127430 U JPH02127430 U JP H02127430U JP 3744389 U JP3744389 U JP 3744389U JP 3744389 U JP3744389 U JP 3744389U JP H02127430 U JPH02127430 U JP H02127430U
- Authority
- JP
- Japan
- Prior art keywords
- soundproofing material
- layer
- polyurethane
- holes
- base
- 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
- 239000000463 material Substances 0.000 claims description 14
- 229920002635 polyurethane Polymers 0.000 claims 5
- 239000004814 polyurethane Substances 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
- Laminated Bodies (AREA)
Description
第１図は本考案の具体的実施例における防音材
の正面図であり、第２図は第１図のＡ−Ａ断面図
、第３図は本考案の他の実施例における防音材の
断面図である。
１……防音材、２……貫通孔、３……遮音シー
ト、４……軟質ポリウレタンフオーム、５……基
部防音材。
FIG. 1 is a front view of a soundproofing material in a specific embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIG. 3 is a cross-sectional view of a soundproofing material in another embodiment of the present invention. It is a diagram. 1...Soundproofing material, 2...Through hole, 3...Soundproofing sheet, 4...Soft polyurethane foam, 5...Base soundproofing material.
Claims (1)
タン層が積層されて成り所定の位置に貫通孔を有
する防音材において、ポリウレタン層は貫通孔の
周辺部に特に厚く積層されていることを特徴とす
る防音材。 ２ 貫通孔の周辺部には基部防音材層が存在しな
い請求項１記載の防音材。 ３ 貫通孔の周辺部以外の部分にはポリウレタン
が存在しない請求項１又は２のいずれかに記載の
防音材。 ４ 所定の位置に貫通孔を有する防音材であつて
シート層、基部防音材層、ポリウレタン層より成
り貫通孔の周辺はシート層の下面にポリウレタン
層が積層され、他の部分の内大部分にはシート層
の下面に基部防音材層が積層されていることを特
徴とする防音材。[Claims for Utility Model Registration] 1. In a soundproofing material in which a base soundproofing material layer and a polyurethane layer are laminated on the lower surface of a sheet layer and having through-holes at predetermined positions, the polyurethane layer is particularly thickly laminated around the through-holes. A soundproofing material characterized by: 2. The soundproofing material according to claim 1, wherein the base soundproofing material layer is not present in the periphery of the through hole. 3. The soundproofing material according to claim 1 or 2, in which polyurethane is not present in areas other than the peripheral areas of the through holes. 4. A soundproofing material with through holes at predetermined positions, consisting of a sheet layer, a base soundproofing material layer, and a polyurethane layer.A polyurethane layer is laminated on the lower surface of the sheet layer around the throughhole, and most of the other parts is a soundproofing material characterized by having a base soundproofing material layer laminated on the lower surface of a sheet layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3744389U JPH0617534Y2 (en) | 1989-03-30 | 1989-03-30 | Soundproof material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3744389U JPH0617534Y2 (en) | 1989-03-30 | 1989-03-30 | Soundproof material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02127430U true JPH02127430U (en) | 1990-10-19 |
| JPH0617534Y2 JPH0617534Y2 (en) | 1994-05-11 |
Family
ID=31544556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3744389U Expired - Lifetime JPH0617534Y2 (en) | 1989-03-30 | 1989-03-30 | Soundproof material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617534Y2 (en) |
-
1989
- 1989-03-30 JP JP3744389U patent/JPH0617534Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617534Y2 (en) | 1994-05-11 |