Thermoformable laminate structure with improved acoustical absorption
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United States of America Patent
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Oct 9, 1984
Grant Date -
N/A
app pub date -
Nov 21, 1983
filing date -
Nov 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermoformable 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 resin impregnated fabric is bonded to the outer surfaces of the first and third layers.
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Cited Art Landscape
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