LATEX IMPREGNATED FIBROUS ACOUSTIC INSULATOR
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United States of America Patent
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Issued Date -
Aug 20, 2015
app pub date -
Feb 16, 2015
filing date -
Feb 14, 2014
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Abandoned
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Abstract
A fibrous acoustic insulator includes a nonwoven mat having at least a first layer impregnated with a thermoset polymeric material that is liquid-based. A second layer oppositely facing with respect to the first layer is also impregnated with the thermoset polymeric material. An un-impregnated nonwoven material layer defining an inner layer is positioned between the first and second layers. The un-impregnated nonwoven material layer may be shoddy and does not include the thermoset polymeric material, thereby defining an untreated nonwoven material layer.
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