Golf club shaft and golf club provided with the same
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United States of America Patent
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Jul 17, 2018
Grant Date -
Feb 15, 2018
app pub date -
Jan 14, 2016
filing date -
Jan 14, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A golf club shaft and a golf club using such a golf club shaft are achieved, wherein the golf club shaft is capable of suppressing variations of various parameters at impact by reducing the difference in rigidity between the layers of the shaft body. The golf club shaft includes full-length bias prepregs provided only as a plurality of pairs thereof and as full-length layers that extend over an entire length of the shaft body, wherein fiber directions of each pair of the full-length bias prepregs are inclined at an angle within a range of 22 degrees through 28 degrees relative to a longitudinal direction of the shaft body, respectively.
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