Nonwoven material for acoustic insulation, and process for manufacture
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United States of America Patent
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Apr 5, 2011
Grant Date -
Mar 18, 2010
app pub date -
Mar 31, 2006
filing date -
Apr 1, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved acoustically and thermally insulating composite material suitable for use in structures such as buildings, appliances, and the interior passenger compartments and exterior components of automotive vehicles, comprising at least one airlaid fibrous layer of controlled density and composition and incorporating suitable binding agents and additives as needed to meet expectations for noise abatement, fire, and mildew resistance. Separately, an airlaid structure which provides a reduced, controlled airflow therethrough useful for acoustic insulation is provided, and which includes a woven or nonwoven scrim.
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Cited Art Landscape
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