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1. (WO2018138019) ACOUSTIC CARPET FOR VEHICLES

Pub. No.:    WO/2018/138019    International Application No.:    PCT/EP2018/051355
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 20 00:59:59 CET 2018
IPC: B32B 5/02
B32B 5/18
B32B 5/24
B32B 5/26
B32B 27/12
Applicants: AUTONEUM MANAGEMENT AG
Inventors: DELMAS, Bertrand
Title: ACOUSTIC CARPET FOR VEHICLES
Abstract:
A noise absorbing multilayer comprising at least 3 consecutive layers, with a nonwoven carpet facing layer being a first fibrous layer and a back layer being the second fibrous layer and an air flow resistive layer between the first and the second fibrous layer. The air flow resistive layer is a combination of a knit fabric and a thermoplastic resin material whereby the thermoplastic resin material is at least partly penetrated in the knit fabric at least closing part of the pores of the knit fabric.