JPS61171100U - - Google Patents
Info
- Publication number
- JPS61171100U JPS61171100U JP5455885U JP5455885U JPS61171100U JP S61171100 U JPS61171100 U JP S61171100U JP 5455885 U JP5455885 U JP 5455885U JP 5455885 U JP5455885 U JP 5455885U JP S61171100 U JPS61171100 U JP S61171100U
- Authority
- JP
- Japan
- Prior art keywords
- showing
- sectional
- view
- case
- 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
- 239000006260 foam Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Description
第１図は本考案防音材の一実施例を示す断面図
、第２図は本実施例を鉄板に貼着した場合、ウレ
タン連続気泡発泡体を鉄板に貼着した場合及び鉄
板のみの場合について中心周波数に対する音響透
過損失を測定した結果を示すグラフ、第３図は本
実施例、ウレタン連続気泡発泡体のみおよび本実
施例の穴なしの場合について中心周波数に対する
吸音率を測定した結果を示すグラフ、第４図は従
来例を示す断面図、第５図は先行例を示す断面図
である。
６……アスフアルトフオーム、７……小穴、８
……遮音シート。
Figure 1 is a cross-sectional view showing one embodiment of the soundproofing material of the present invention, and Figure 2 is a cross-sectional view showing the case where this embodiment is attached to a steel plate, the case where urethane open cell foam is attached to an iron plate, and the case where only an iron plate is attached. A graph showing the results of measuring the sound transmission loss with respect to the center frequency. FIG. 3 is a graph showing the results of measuring the sound absorption coefficient with respect to the center frequency for this example, only the open-cell urethane foam, and the case of the present example without holes. , FIG. 4 is a sectional view showing a conventional example, and FIG. 5 is a sectional view showing a prior example. 6... Asphalt form, 7... Small hole, 8
...Sound insulation sheet.
Claims (1)
する遮音シートを積層してなることを特徴とする
防音材。 A soundproofing material characterized by laminating a soundproofing sheet having many small holes on the surface of asphalt foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5455885U JPS61171100U (en) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5455885U JPS61171100U (en) | 1985-04-12 | 1985-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171100U true JPS61171100U (en) | 1986-10-23 |
Family
ID=30576426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5455885U Pending JPS61171100U (en) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171100U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967597A (en) * | 1982-10-08 | 1984-04-17 | 竹廣木材工業株式会社 | Making of sound-proof material for vehicle |
| JPS59123888A (en) * | 1982-12-27 | 1984-07-17 | ア−ムストロング・ワ−ルド・インダストリ−ス・インコ−ポレ−テツド | Vinyl coated sound absorbing construction |
| JPS60135997A (en) * | 1983-12-26 | 1985-07-19 | 株式会社日立製作所 | Sound absorbing material |
-
1985
- 1985-04-12 JP JP5455885U patent/JPS61171100U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967597A (en) * | 1982-10-08 | 1984-04-17 | 竹廣木材工業株式会社 | Making of sound-proof material for vehicle |
| JPS59123888A (en) * | 1982-12-27 | 1984-07-17 | ア−ムストロング・ワ−ルド・インダストリ−ス・インコ−ポレ−テツド | Vinyl coated sound absorbing construction |
| JPS60135997A (en) * | 1983-12-26 | 1985-07-19 | 株式会社日立製作所 | Sound absorbing material |