JPS5842897U

JPS5842897U - Soundproofing material for vehicles

Info

Publication number: JPS5842897U
Application number: JP13633381U
Authority: JP
Inventors: 林　勇夫
Original assignee: 林テレンプ株式会社
Priority date: 1981-09-16
Filing date: 1981-09-16
Publication date: 1983-03-22
Also published as: JPS6339759Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はガラスウールを使用した従来の防音材の断面図
、第２図はそれを車輌に取り付けたときの断面図、第３
図は再生綿屑を使用した従来の防音材の断面図、第４図
はそれを車輌に取り付けたときの断面図、第５図は本考
案に係る中間層を有する防音材の一実施例の断面図、第
６図はそれを車輌に取り付けたときの断面図、第７図は
複数の空気層の中間層を有する防音材の実施例断面図、
−第８図は中間層がハニカム状に成形されたガラスウー
ルである防音材の実施例断面図、第９図は中間層がアル
ミニウムのハニカムである実施例断面図、第１０図は中
間層がウレタンフオームの屑である防音材の実施例断面
図、第１１図は中間層が綿屑である防音材の実施例断面
図、第１２図は中間層が崇高な織物である防音材の実施
例断面図、第１３図は中間層がポリエチレン等の中空体
の破裂によって生ずる空洞である実施例断面図、第１４
図は実施例及びその比較例についての試験結果を示す周
波数と吸音率の関係を表わす図である。−８・・・中間
層、９・・・空気層である中間層、１０・・・ハニカム
状に成形されたガラスウールの中間層、１１・・・アル
ミニウムのハニカムの中間層、１２・・・ウレタンフオ
ームの屑チップの中間層、１３・２・綿屑の中間層、１
４・・・崇高な織物の中間層、１５・・・ポリエチレン
フィルムの中空体の破裂によって生ずる空洞の中間層。　　　−・）第２図　　　　　　　　　　　５第３図　　　　　７　　　′ 乙１図　　　　　　　３　　　第５図Figure 1 is a cross-sectional view of a conventional soundproofing material using glass wool, Figure 2 is a cross-sectional view of it installed on a vehicle, and Figure 3 is a cross-sectional view of a conventional soundproofing material using glass wool.
The figure is a sectional view of a conventional soundproofing material using recycled cotton waste, FIG. 4 is a sectional view of the same when it is installed in a vehicle, and FIG. 5 is an example of a soundproofing material having an intermediate layer according to the present invention. 6 is a sectional view when it is attached to a vehicle; FIG. 7 is a sectional view of an embodiment of the soundproofing material having a plurality of air layers in the middle;
- Figure 8 is a cross-sectional view of an example of a soundproofing material in which the intermediate layer is glass wool formed into a honeycomb shape, Figure 9 is a cross-sectional view of an example in which the intermediate layer is an aluminum honeycomb, and Figure 10 is a cross-sectional view of an example in which the intermediate layer is a honeycomb of aluminum. Fig. 11 is a cross-sectional view of an example of a soundproofing material whose intermediate layer is made of waste cotton, and Fig. 12 is a cross-sectional view of an example of a soundproofing material whose intermediate layer is a sublime fabric. A cross-sectional view, FIG. 13 is a cross-sectional view of an embodiment in which the intermediate layer is a cavity created by the rupture of a hollow body such as polyethylene, and FIG.
The figure is a diagram showing the relationship between frequency and sound absorption coefficient, showing the test results for Examples and Comparative Examples. -8... Intermediate layer, 9... Intermediate layer which is an air layer, 10... Intermediate layer of glass wool formed into a honeycomb shape, 11... Intermediate layer of aluminum honeycomb, 12... Intermediate layer of urethane foam chips, 13.2 Intermediate layer of cotton waste, 1
4... Intermediate layer of sublime fabric, 15... Intermediate layer of hollow produced by rupture of hollow body of polyethylene film. -・ ) Figure 2 5 Figure 3 7 ' Figure Otsu 1 Figure 5

Claims

[Scope of Claim for Utility Model Registration] 1. In a soundproofing material for vehicles in which glass wool mixed with a binder is formed into a desired shape as a glass wool layer by heat pressing, in order to increase the apparent thickness of the soundproofing material for vehicles, A soundproofing material for a vehicle, characterized in that an intermediate layer surrounded by the glass wool layer is provided in the glass wool layer. 2 Claim No. 1 for Utility Model Registration in which the intermediate layer sits in an air layer
Soundproofing materials for vehicles as described in section. 3. The soundproofing material for vehicles according to claim 1, wherein the intermediate layer is glass wool formed into a honeycomb shape. 4. The soundproofing material for vehicles according to claim 1, wherein the intermediate layer is an aluminum honeycomb. 5. The sound insulation material for a vehicle according to claim 1, wherein the intermediate layer is a urethane foam scrap chip. 6. The soundproofing material for vehicles according to claim 1, wherein the intermediate layer is cotton waste. 7. The soundproofing material for vehicles according to claim 1, wherein the intermediate layer is a noble fabric. 8. The soundproofing material for a vehicle according to claim 1, wherein the intermediate layer is a cavity created when the hollow body is destroyed by the heat of the mold when a polyethylene film having a hollow body is molded together with glass wool.