Stitched unidirectional or multi-axial reinforcement and a method of producing the same
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United States of America Patent
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Nov 29, 2016
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Jul 2, 2015
app pub date -
Jul 15, 2013
filing date -
Jul 20, 2012
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Abstract
A stitched unidirectional or multi-axial reinforcement and a method of producing a stitched unidirectional or multi-axial reinforcement includes transversely arranging thin discrete flow passage forming means having a diameter of 70-300 μm in a direction transverse to the direction of the unidirectional rovings at least on the continuous rovings of the at least one layer, and stitching the thin discrete flow passage forming means and the continuous unidirectional rovings to one another to form a reinforcement.
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