Method of upgrading composite materials
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United States of America Patent
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Feb 5, 2008
Grant Date -
Jul 27, 2006
app pub date -
Nov 24, 2003
filing date -
Nov 26, 2002
priority date (Note) -
Expired
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Abstract
The invention relates to a method of upgrading a composite material containing fibrous matter and non-fibrous plastic matter. The inventive method includes the following steps consisting in: cooling the composite material to a temperature of between -40.degree. C. and +10.degree. C., grinding the cooled composite material in order to disconnect the fibrous matter from the non-fibrous plastic matter; and separating the fibrous matter from the non-fibrous plastic matter.
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