Method and apparatus for the manufacture of fiber-reinforced plastic compositions
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United States of America Patent
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Nov 16, 2004
Grant Date -
Jul 25, 2002
app pub date -
Nov 30, 2001
filing date -
Nov 30, 2000
priority date (Note) -
Expired
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Abstract
An apparatus for the manufacture of fiber-reinforced plastic compositions. The apparatus addresses the disadvantages of previous methods and apparatuses for the manufacture of fiber-reinforced plastic compositions using a plasticizing extruder. Some embodiments of the apparatus may increase and/or better define the fiber content in the plasticate, as well as improve performance in the production of plasticates from fiber fleeces and fiber mats. Embodiments include an apparatus with a plasticizing extruder with adapted geometry of the extruder casing and the corresponding screw elements.
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