JPS5939248U - Datsushi silencer - Google Patents

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) [Summary] 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図は本考案の実施例を示す部分側面断面図、第２図
は第１図のＡ部拡大断面図、第３図は本考案の第二実施
例を示す、゛第２図に相当する断面図、第４図は本考案
実施例と従来との特性の比較線図である。 １・・・・・・粘性発泡材、２・・・・・・表皮材、３
・・・・・・吸音材、１０・・・・・・三層成型サイレ
ンサ、４・・・・ｉ・アスファルトシート、５・・・・
・・ダッシュパネル、Ｅ・・・・・・エンジンルーム、
Ｒ・・・・・・車室。Fig. 1 is a partial side sectional view showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of section A in Fig. 1, and Fig. 3 is a second embodiment of the invention. The sectional view shown in FIG. 4 is a comparison diagram of the characteristics of the embodiment of the present invention and the conventional one. 1...Viscous foam material, 2...Skin material, 3
...Sound absorbing material, 10...Three-layer molded silencer, 4...i asphalt sheet, 5...
・・Dash panel, E・・・Engine compartment,
R... Vehicle compartment.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アスファルト発泡材等の粘性発泡材とｐｖｃ等の表皮材
との間に、フェルト等の吸音材を挾み込んで重ね合わせ
、接着材等によって合板状に三層成型サイレンサを形成
し、この三層成型サイレンサの上記粘性発泡材を、エン
ジンルームと車室とを区画するダッシュパネルの車室側
に取付片等を用いて密着するように取付けることを特徴
とするダッシュサイレンサ。A sound-absorbing material such as felt is sandwiched between a viscous foam material such as asphalt foam material and a skin material such as PVC, and the sound-absorbing material such as felt is layered. A dash silencer characterized in that the above-mentioned viscous foam material of the molded silencer is attached to the cabin side of a dash panel that partitions an engine room and a cabin so as to be in close contact with the cabin side using a mounting piece or the like.