Sound absorption system for automotive vehicles
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United States of America Patent
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-
Aug 9, 2005
Issued Date -
N/A
app pub date -
Nov 6, 2002
filing date -
Aug 3, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automotive vehicle sound absorption system. An expandable material, such as an polymer-based foam, is disposed on a surface of a wall. Upon activation, the foam transforms, preferably during an automobile assembly operation, and remains bonded to surface for sound absorption.
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