JPS6414448U - - Google Patents

Info

Publication number
JPS6414448U
JPS6414448U JP10709087U JP10709087U JPS6414448U JP S6414448 U JPS6414448 U JP S6414448U JP 10709087 U JP10709087 U JP 10709087U JP 10709087 U JP10709087 U JP 10709087U JP S6414448 U JPS6414448 U JP S6414448U
Authority
JP
Japan
Prior art keywords
sound insulation
dyne
foam material
automobile
darts
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
Application number
JP10709087U
Other languages
English (en)
Other versions
JPH0618850Y2 (ja
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 filed Critical
Priority to JP1987107090U priority Critical patent/JPH0618850Y2/ja
Publication of JPS6414448U publication Critical patent/JPS6414448U/ja
Application granted granted Critical
Publication of JPH0618850Y2 publication Critical patent/JPH0618850Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図は、本考案になる自動車ダツシユ部用防
音材を装着した断面図、第2図は、本考案になる
自動車ダツシユ部用防音材の形状例、第3図は、
従来の形状例である。 1:本発明になるフオーム材、1′:通常のフ
オーム材、2:遮音シート、3:防音材貫通孔部
の内周面、4:防音材外周囲面、5:ダツシユパ
ネル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 遮音シート2とフオーム材1からなる防音材に
    おいて、該フオーム材1単独の空気流れ抵抗が3
    0〜300dyne・sec/cm3であり、かつ
    弾性率が5×10〜5×10dyne/cm2
    であることを特徴とする自動車ダツシユ部用防音
    材。
JP1987107090U 1987-07-14 1987-07-14 自動車ダッシュ部用防音材 Expired - Lifetime JPH0618850Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987107090U JPH0618850Y2 (ja) 1987-07-14 1987-07-14 自動車ダッシュ部用防音材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987107090U JPH0618850Y2 (ja) 1987-07-14 1987-07-14 自動車ダッシュ部用防音材

Publications (2)

Publication Number Publication Date
JPS6414448U true JPS6414448U (ja) 1989-01-25
JPH0618850Y2 JPH0618850Y2 (ja) 1994-05-18

Family

ID=31341189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987107090U Expired - Lifetime JPH0618850Y2 (ja) 1987-07-14 1987-07-14 自動車ダッシュ部用防音材

Country Status (1)

Country Link
JP (1) JPH0618850Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1120572A (ja) * 1997-07-01 1999-01-26 Nippon Tokushu Toryo Co Ltd 自動車車室内用防音材

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56142054A (en) * 1980-04-04 1981-11-06 Inoue Mtp Kk Sound absorbing material
JPS58192094A (ja) * 1982-05-06 1983-11-09 株式会社アサヒコーポレーション 成形遮音構造体
JPS59186750A (ja) * 1983-04-07 1984-10-23 Nippon Tokushu Toryo Kk ボンネツトフ−ド用吸音板
JPS6271996A (ja) * 1985-09-25 1987-04-02 日本特殊塗料株式会社 防音処理の方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56142054A (en) * 1980-04-04 1981-11-06 Inoue Mtp Kk Sound absorbing material
JPS58192094A (ja) * 1982-05-06 1983-11-09 株式会社アサヒコーポレーション 成形遮音構造体
JPS59186750A (ja) * 1983-04-07 1984-10-23 Nippon Tokushu Toryo Kk ボンネツトフ−ド用吸音板
JPS6271996A (ja) * 1985-09-25 1987-04-02 日本特殊塗料株式会社 防音処理の方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1120572A (ja) * 1997-07-01 1999-01-26 Nippon Tokushu Toryo Co Ltd 自動車車室内用防音材

Also Published As

Publication number Publication date
JPH0618850Y2 (ja) 1994-05-18

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