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Patent Searching and Data


Title:
ACOUSTIC FIBROUS DECOUPLER
Document Type and Number:
WIPO Patent Application WO/2019/007660
Kind Code:
A1
Abstract:
Moulded three-dimensional noise attenuating trim part for a vehicle, comprising at least a three layer system consisting of a first porous fibrous layer and a second porous fibrous layer and an air permeable intermediate film layer situated between the first and second porous fibrous layers and wherein the adjacent surfaces within the three layer system are interconnected, wherein the second porous fibrous layer has an area weight AW2 that is varying over the surface and wherein at least for areas of the three layer system with a total thickness t between 5 and 35 mm, the area weight AW2 relates to the total thickness t of the three layer system as following 25*t+175

Inventors:
GUIGNER, Delphine (Rappstrasse 12, 8408 Winterthur, 8408, CH)
GOTTARDO, Laura (Ettenhusen 15, 8314 Kyburg, 8314, CH)
WININGER, Gregory (Johannes Beugger strasse, 8408 Winterthur, 8408, CH)
DELPERO, Tommaso (Altwiesenstrasse 346, 8051 Zürich, 8051, CH)
Application Number:
EP2018/065836
Publication Date:
January 10, 2019
Filing Date:
June 14, 2018
Export Citation:
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Assignee:
AUTONEUM MANAGEMENT AG (Schlosstalstrasse 43, 8406 Winterthur, 8406, CH)
International Classes:
B32B5/02; B32B5/14; B32B27/12; B32B27/28; B32B27/30; B32B27/32; B32B27/34; B32B27/36; B32B27/40; B32B3/26; B60R1/00; G10K11/168
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