Machine for producing multiaxial fibrous webs
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United States of America Patent
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N/A
Issued Date -
Sep 22, 2005
app pub date -
Apr 22, 2005
filing date -
Mar 28, 1997
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A plurality of unidirectional sheets (30a, 30b, 30c) are superposed in different directions and they are bonded together. At least one of the unidirectional sheets is made by spreading a tow so as to obtain uniform thickness, width not less than 5 cm, and a weight of no more than 300 g/m.sup.2, cohesion being imparted to the sheet so as to enable it to be handled prior to being superposed with other sheets. Advantageously, the unidirectional sheets are made of carbon fibers and are obtained by spreading out large tows.
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