Title:
AUTOMOTIVE INSULATING TRIM PART
Document Type and Number:
WIPO Patent Application WO/2011/110588
Kind Code:
A1
Abstract:
A sound insulating trim part with acoustic mass-spring characteristics with a mass layer and a decoupling layer, wherein the mass layer consist of a porous fibrous layer (1 ) and an impervious thin barrier layer (2), whereby the impervious thin barrier layer is between the porous fibrous layer and the decoupling layer (3) and all layers are laminated together, and whereby the porous fibrous layer has a dynamic Young's modulus (Pa) of at least (96-AW-t) with AW being an area weight (g/m2), and t being a thickness (mm) of the porous fibrous 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:
EP2011/053531
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:
G10K11/168; B60R13/08
Attorney, Agent or Firm:
RIETER TECHNOLOGIES AG (Schlosstalstrasse 43, Winterthur, CH-8406, CH)
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Claims: