Sound-damping and heat-insulating composite plate
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United States of America Patent
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Dec 1, 1987
Grant Date -
N/A
app pub date -
Nov 18, 1985
filing date -
Nov 16, 1984
priority date (Note) -
Expired
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Abstract
A sound-damping composite panel with elastic properties is provided by disposing a prefabricated porous core made from rubber granules or scrap, e.g. rubber tire scrap, between a pair of metal layers or sheets, e.g. of aluminum, and adhesively bonding the metal layers to the core under heat and pressure.
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