Multiple material assembly for noise reduction
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United States of America Patent
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-
Aug 2, 2005
Grant Date -
Apr 22, 2004
app pub date -
Jul 28, 2003
filing date -
Aug 6, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An assembly having one or more members (e.g., panels), a first expandable material and a second expandable material is disclosed. One of the materials is typically more expandable than the other. Although, the assembly may be used for various articles, it has been found particularly suitable for roofs of automotive vehicles.
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