JPS6330251U - - Google Patents
Info
- Publication number
- JPS6330251U JPS6330251U JP12401086U JP12401086U JPS6330251U JP S6330251 U JPS6330251 U JP S6330251U JP 12401086 U JP12401086 U JP 12401086U JP 12401086 U JP12401086 U JP 12401086U JP S6330251 U JPS6330251 U JP S6330251U
- Authority
- JP
- Japan
- Prior art keywords
- asphalt foam
- asphalt
- chip sheet
- layer
- sound insulating
- 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
- 239000010426 asphalt Substances 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims 2
- 239000011496 polyurethane foam Substances 0.000 claims 2
- 239000011230 binding agent Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping 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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は音圧レベル測定装置の断面図、第２図
は本考案の一実施例、第４図（第５図はそのチツ
プシートの平面図）は別の実施例のそれぞれ縦断
面図である。第３図および第６図はそれぞれ第２
図および第４図の測定結果のグラフである。第７
図は従来の防音材の縦断面図である。
１……ボデイ鉄板、２……アスフアルト制振層
、３……吸音層、４，６……アスフアルトフオー
ムチツプシート、５……遮音層、Ａ……車室外、
Ｂ……車室内、１１……防音箱、１２……吸音材
、１３……鉄板、１４……加振機、１５……マイ
クロフオン、１６……試料。
Fig. 1 is a sectional view of a sound pressure level measuring device, Fig. 2 is a longitudinal sectional view of one embodiment of the present invention, and Fig. 4 (Fig. 5 is a plan view of the chip sheet) is a longitudinal sectional view of another embodiment. . Figures 3 and 6 are the second
FIG. 4 is a graph of the measurement results shown in FIG. 7th
The figure is a longitudinal cross-sectional view of a conventional soundproofing material. 1...Body steel plate, 2...Asphalt vibration damping layer, 3...Sound absorption layer, 4, 6...Asphalt foam chip sheet, 5...Sound insulation layer, A...Outside of vehicle interior,
B... Vehicle interior, 11... Soundproof box, 12... Sound absorbing material, 13... Steel plate, 14... Vibrator, 15... Microphone, 16... Sample.
補正 昭６１．１０．２８
図面の簡単な説明を次のように補正する。
明細書第１２頁第６行〜第１１行の「第１図は
……縦断面図である。」を「第１図は音圧レベル
測定装置であり、第２図は本考案の一実施例、第
４図は別の実施例のそれぞれ縦断面図であり、第
５図は第４図におけるチツプシートの平面図であ
る。第３図および第６図はそれぞれ第２図および
第４図の測定結果のグラフである。第７図は従来
の防音材の縦断面図である。」に訂正する。Amendment October 28, 1981 The brief description of the drawing is amended as follows. On page 12 of the specification, lines 6 to 11, "Fig. 1 is a vertical cross-sectional view." For example, FIG. 4 is a longitudinal sectional view of another embodiment, and FIG. 5 is a plan view of the chip sheet in FIG. 4. FIGS. This is a graph of the measurement results. Figure 7 is a vertical cross-sectional view of a conventional soundproofing material.''
Claims (1)
ムチツプシート層および吸音層の順に積層した複
合遮音構造体からなる車輌用防音材であつて、か
つ、該アスフアルトチツプシートがアスフアルト
フオーム細片あるいはアスフアルトフオーム細片
と通常のポリウレタンフオーム細片との混合物を
圧縮して成形されるアスフアルトフオームチツプ
シートであることを特徴とする車輌用防音材。 (2) アスフアルトフオームチツプシートがアス
フアルトフオーム細片３０重量％以上、好ましく
は５０〜９０重量％であり、かつアスフアルトフ
オームと通常のポリウレタンフオーム細片をウレ
タンプレポリマーを主剤とするバインダーと混合
し、圧縮状態でウレタンプレポリマーを反応、硬
化させてシートとしたものである実用新案登録請
求の範囲第(1)項記載の車輌用防音材。 (3) アスフアルトフオームチツプシート層のみ
が吸音層、遮音層を貫通しない任意の形状の開孔
部を有し、該開孔部が有効面積の５〜４０％であ
る実用新案登録請求の範囲第(1)項の車輌用防音
材。[Scope of Claim for Utility Model Registration] (1) A sound insulating material for a vehicle consisting of a composite sound insulating structure in which a sound insulating layer, an asphalt foam chip sheet layer, and a sound absorbing layer are laminated in this order from the inside of the vehicle, and the asphalt foam chip sheet A soundproofing material for a vehicle, characterized in that it is an asphalt foam chip sheet formed by compressing asphalt foam strips or a mixture of asphalt foam strips and ordinary polyurethane foam strips. (2) The asphalt foam chip sheet contains at least 30% by weight of asphalt foam strips, preferably 50 to 90% by weight, and the asphalt foam and ordinary polyurethane foam strips are mixed with a binder based on a urethane prepolymer, A soundproofing material for a vehicle according to claim 1, which is a sheet obtained by reacting and curing a urethane prepolymer in a compressed state. (3) Only the asphalt foam chip sheet layer has apertures of any shape that do not penetrate the sound absorbing layer or the sound insulating layer, and the apertures are 5 to 40% of the effective area. Soundproofing materials for vehicles under paragraph (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12401086U JPS6330251U (en) | 1986-08-14 | 1986-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12401086U JPS6330251U (en) | 1986-08-14 | 1986-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6330251U true JPS6330251U (en) | 1988-02-27 |
Family
ID=31015635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12401086U Pending JPS6330251U (en) | 1986-08-14 | 1986-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6330251U (en) |
-
1986
- 1986-08-14 JP JP12401086U patent/JPS6330251U/ja active Pending
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