Title:
自動車用の防音アセンブリ及び関連する壁要素
Document Type and Number:
Japanese Patent JP5667990
Kind Code:
B2
Abstract:
The assembly comprises a base spring layer made with a base of a resilient porous material, and the base spring layer being intended to be placed opposite a surface of the automobile. It comprises a stiffening layer arranged above the base spring layer and having a surface density greater than 250 g/m2 and at least one resilient porous upper layer arranged on the stiffening layer. The stiffening layer is made with a base of a dense porous material having a resistance to air flow strictly greater than 2000 N·m−3·s. The assembly advantageously has an upper resistive layer.
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Inventors:
デュヴァル、アルノ
ビショフ、ラルス
ロンドー、ジャン−フランソワ
ビショフ、ラルス
ロンドー、ジャン−フランソワ
Application Number:
JP2011550634A
Publication Date:
February 12, 2015
Filing Date:
February 19, 2010
Export Citation:
Assignee:
フォレシア・オートモティヴ・アンデュストリＦＡＵＲＥＣＩＡ ＡＵＴＯＭＯＴＩＶＥ ＩＮＤＵＳＴＲＩＥ
International Classes:
B60R13/08; B32B5/24; B32B7/02; B60R13/02; G10K11/162
Attorney, Agent or Firm:
Michiharu Soga
Jun Kajinami
Masahiro Taguchi
Jun Kajinami
Masahiro Taguchi