Intermediate material intended to limit the microcracking of composite parts
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United States of America Patent
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Jul 4, 2017
Grant Date -
Apr 26, 2012
app pub date -
Dec 8, 2009
filing date -
Dec 9, 2008
priority date (Note) -
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Abstract
The invention relates to an intermediate product intended for the production of a composite part in combination with a resin matrix, formed by at least two unidirectional sets of reinforcing yarns, the yams of each set extending in a different direction, whereby the sets are interlinked by means of stitching or knitting using at least one stitching or knitting yarn. The invention is characterized in that the stitching or knitting yarn has a yarn count of less than or equal to 30 dTex, preferably less than or equal to 25 dTex, in accordance with standard EN ISO 2060.
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