JPS59171930U - Multilayer sound insulation material - Google Patents

Multilayer sound insulation material

Info

Publication number
JPS59171930U
JPS59171930U JP6703983U JP6703983U JPS59171930U JP S59171930 U JPS59171930 U JP S59171930U JP 6703983 U JP6703983 U JP 6703983U JP 6703983 U JP6703983 U JP 6703983U JP S59171930 U JPS59171930 U JP S59171930U
Authority
JP
Japan
Prior art keywords
sound insulation
insulation material
sound insulating
thickness
multilayer 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.)
Pending
Application number
JP6703983U
Other languages
Japanese (ja)
Inventor
久佳 加藤
増田　憲明
邦郎 金丸
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP6703983U priority Critical patent/JPS59171930U/en
Publication of JPS59171930U publication Critical patent/JPS59171930U/en
Pending legal-status Critical Current

Links

Landscapes

  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、この考案の実施例を示す断面図、第２図は、
第１図の複層遮音部材の遮音効果を示すグラフ、第３図
は、この考案の複層遮音部材を自動車の車室内に使用し
た状態図、第４図は、第３図のＩＶ−ｒＶ線断面図であ
る。Fig. 1 is a sectional view showing an embodiment of this invention, and Fig. 2 is a sectional view showing an embodiment of this invention.
Figure 1 is a graph showing the sound insulation effect of the multi-layer sound insulation member, Figure 3 is a diagram showing the state of the multi-layer sound insulation member of this invention used in the interior of an automobile, and Figure 4 is the IV-rV of Figure 3. FIG.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 塩化ビニールシートあるいはゴムシート等から成る気密
性シート状遮音材と、発泡アスファルトあるいはアスフ
ァルト含浸ウレタンフオーム等の制振性能を有する多孔
質防音材を、交互に複数枚重ね合せて積層するとともに
、上記気密性シート状遮音材によって隔てられる多孔質
防音材の一方の厚さａと、他方の厚さｂとの厚さ比一本
（但し、ａ−＋−ｂの値は一定）を、０．０５ないし０
．５に設定したことを特徴とする複層遮音部材。A plurality of airtight sheet-like sound insulating materials made of vinyl chloride sheets or rubber sheets, etc. and porous sound insulating materials with vibration damping properties such as foamed asphalt or asphalt-impregnated urethane foam are laminated alternately. The thickness ratio between the thickness a of one side of the porous soundproofing material separated by the sheet-like soundproofing material and the thickness b of the other side (however, the value of a-+-b is constant) is 0.05. or 0
．． A multilayer sound insulating member characterized in that the sound insulation material is set to 5.
JP6703983U 1983-05-04 1983-05-04 Multilayer sound insulation material Pending JPS59171930U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6703983U JPS59171930U (en) 1983-05-04 1983-05-04 Multilayer sound insulation material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6703983U JPS59171930U (en) 1983-05-04 1983-05-04 Multilayer sound insulation material

Publications (1)

Publication Number Publication Date
JPS59171930U true JPS59171930U (en) 1984-11-16

Family

ID=30197245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6703983U Pending JPS59171930U (en) 1983-05-04 1983-05-04 Multilayer sound insulation material

Country Status (1)

Country Link
JP (1) JPS59171930U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61214607A (en) * 1985-03-20 1986-09-24 Hitachi Ltd Control voltage generating circuit
JPS62143552U (en) * 1986-03-06 1987-09-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61214607A (en) * 1985-03-20 1986-09-24 Hitachi Ltd Control voltage generating circuit
JPS62143552U (en) * 1986-03-06 1987-09-10

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