Golf ball with hard thin cover
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United States of America Patent
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-
Dec 3, 2002
Issued Date -
N/A
app pub date -
Nov 9, 1999
filing date -
Dec 17, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A golf ball having a coating layer which is excellent in resistance to impact, scuffing and abrasion without increasing the thickness of the layer. The coating layer has a hardness of 21 to 60 N/mm.sup.2, which is calculated by the following expression (1): Hardness=(test load)/{26.43.times.(penetration depth (mm)).sup.2 } (1) wherein the test load is 3 mN.
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