Title:
AUTOMOTIVE TRIM PART FOR SOUND INSULATION AND ABSORPTION
Document Type and Number:
WIPO Patent Application WO/2011/110587
Kind Code:
A1
Abstract:
A sound insulating trim part with at least one area with predominantly sound absorbing characteristics (absorbing area), at least one other area with acoustic mass-spring characteristics (insulating area), characterised in that the mass layer of the insulating area consists of the same porous fibrous layer as the absorbing area, in the insulating area adjusted to a dynamic Young's modulus (Pa) of at least (96-AW-t) with AW area weight (g/m2), and t thickness (mm) of the porous fibrous layer, and at least an impervious thin barrier layer between the porous fibrous layer and the decoupling layer.
Inventors:
BERTOLINI, Claudio (Via Boccaccio 501, Sesto San Giovanni, I-20099, IT)
CASTAGNETTI, Claudio (in der Weid 10B, Stallikon, CH-8143, CH)
CASTAGNETTI, Claudio (in der Weid 10B, Stallikon, CH-8143, CH)
Application Number:
EP2011/053530
Publication Date:
September 15, 2011
Filing Date:
March 09, 2011
Export Citation:
Assignee:
RIETER TECHNOLOGIES AG (Schlosstalstrasse 43, Winterthur, CH-8406, CH)
BERTOLINI, Claudio (Via Boccaccio 501, Sesto San Giovanni, I-20099, IT)
CASTAGNETTI, Claudio (in der Weid 10B, Stallikon, CH-8143, CH)
BERTOLINI, Claudio (Via Boccaccio 501, Sesto San Giovanni, I-20099, IT)
CASTAGNETTI, Claudio (in der Weid 10B, Stallikon, CH-8143, CH)
International Classes:
B60R13/08; B32B5/02; B32B7/00; G10K11/168
Attorney, Agent or Firm:
VAN ADRICHEM GEISSELER, Johanna (Rieter Technologies Ag, Schlosstalstrasse 43, Winterthur, CH-8406, CH)
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Claims:
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