Process for depositing by winding on a support several rovings simultaneously of pre-impregnated fibers, device for practicing the same, and structure of a composite material thus obtained
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Jan 25, 1999
filing date -
Jan 23, 1998
priority date (Note) -
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Abstract
A process and apparatus for depositing simultaneously by winding on a support, several rovings of pre-impregnated fibers. The rovings are deposited simultaneously by winding on a rotating support. At least two rovings are brought into superposition near where they will be applied to the support, and the various rovings are subjected to different tensions depending on their position relative to the support. Specifically, the roving nearest the support is subjected to a greater tension than a roving farther from the support. Composite structures are thus produced.
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