B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B32B 5/18 (2006.01) B60R 13/02 (2006.01) B60R 13/08 (2006.01)
Patent
CA 2693838
A composite headliner material allows sound waves originating within a vehicle to penetrate deeply into the head-liner where all or a significant portion of their energy is absorbed rather than reflected back into the vehicle. The coverstock sheet is backed by a multilayer material with a foam core coated above and below by a fibrous glass mat impregnated with an adhesive with scrim layers above and below the fibrous glass mat layers.
L'invention concerne un matériau de garniture de toit à composite permettant à des ondes sonores provenant de l'intérieur d'un véhicule de pénétrer profondément dans la garniture de toit où la totalité ou une partie importante de leur énergie est absorbée plutôt que réfléchie en arrière dans le véhicule. La feuille de matière première de couverture est renforcée d'un matériau multicouche pourvu d'un noyau de mousse recouvert au-dessus et en dessous d'un mat de verre fibreux imprégné d'un adhésif, avec des couches de canevas au-dessus et en dessous des couches de mat de verre fibreux.
Blauwkamp Kevin J.
Deyoung Jeffrey A.
Everest Brad M.
Johnson Jack L.
Oosting Peter J.
Fetherstonhaugh & Co.
Johnson Controls Technology Company
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