Composite arrow vane
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United States of America Patent
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Dec 10, 2013
Grant Date -
Oct 17, 2013
app pub date -
Apr 17, 2012
filing date -
Apr 17, 2012
priority date (Note) -
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Abstract
Disclosed is a composite arrow vane for mounting to a projectile. The composite arrow vane is constructed of a composite material that includes a polymer matrix around structural elements. In some embodiments, the polymer matrix may be a thermoplastic polyurethane. The structural elements compounded into the polymer may be voids, hollow glass beads or just about any structure having a weight per unit volume that is less than the weight per unit volume of the polymer matrix. Advantageously, the composite material allows for reduced dimensions of the composite arrow vane because the increased tensile strength of the material allows for size reductions without significantly compromising vane performance. Similarly, the lighter weight per unit volume of the composite material as compared to a homogeneous polymer allows for increased flight speed of the projectile.
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