Ball bat exhibiting optimized performance via selective placement of interlaminar shear control zones
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United States of America Patent
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-
Mar 1, 2011
Grant Date -
Aug 6, 2009
app pub date -
Apr 14, 2009
filing date -
Jul 29, 2004
priority date (Note) -
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Abstract
A ball bat exhibits improved barrel performance in regions located away from the “sweet spot” of the bat barrel, as a result of strategic placement of interface shear control zones (“ISCZs”) in the barrel. The ball bat includes a barrel having a first region adjacent to the tapered section of the ball bat, a second region adjacent to the free end of the barrel, and a third region located between the first and second regions, that includes the sweet spot of the barrel. The first and second regions each include at least one interface shear control zone. The third region includes at least one fewer interface shear control zone than at least one of the first and second regions. ISCZs may also be strategically placed in the bat handle and/or the tapered section of the ball bat to improve the compliance and overall performance of the ball bat.
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