Thermoformable laminate structure with improved acoustical...

Details Thermoformable laminate structure with improved acoustical... Thermoformable laminate structure with improved acoustical...

B - Operations, Transporting

32

B

154/123.1

B32B 5/18 (2006.01) B32B 27/02 (2006.01) G10K 11/00 (2006.01)

Patent

CA 1220709

LAMINATE STRUCTURE WITH IMPROVED ACOUSTICAL ABSORPTION ABSTRACT A laminate structure with improved acoustical absorption is provided which has a first and a third layer of foamed thermoplastic material and a second layer, intermediate the first and third layers, which is a material having acoustical properties different from the properties of the material of the first and third layers. A portion of the surface area of each layer is adhesively bonded to the adjacent layer. A sheet of paper or fabric is adhesively bonded to at least the outer surfaces of the first and third layers.

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