Process to manufacture three dimensionally shaped substrate for sound abatement
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United States of America Patent
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Aug 10, 2004
Grant Date -
Sep 25, 2003
app pub date -
Mar 20, 2002
filing date -
Mar 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to a process for the manufacture of three-dimensional acoustically sound automotive insulation parts. In particular, the process includes mixing a two component polyurethane resin, applying the resin to a substrate, molding the substrate and then trimming and demolding the resin applied substrate.
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