Composite materials
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United States of America Patent
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Sep 19, 2017
Issued Date -
Mar 26, 2015
app pub date -
Sep 25, 2014
filing date -
Sep 25, 2013
priority date (Note) -
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Abstract
A composite material comprises of at least first and second layers, each comprising a polymeric matrix material and wound tows for reinforcement. The tows are wound in opposite directions in each of the first and second layers such that overlapping tows form crossover regions. The wound tows in the second layer are arranged such that the crossover regions are formed to be laterally offset from the crossover regions in the first layer.
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