Games using tangible projectile – Golf – Ball
Reexamination Certificate
2002-10-04
2010-11-30
Hunter, Alvin A (Department: 3711)
Games using tangible projectile
Golf
Ball
Reexamination Certificate
active
07841954
ABSTRACT:
The present invention provides a multi-piece solid golf ball, which is superior in flight distance, spin performance and shot feel. The present invention relates to a multi-piece solid golf ball comprising a core consisting of a center and an intermediate layer, and a cover, wherein the center has surface hardness (D) higher than central point hardness by not less than 15, the intermediate layer and cover are formed from thermoplastic resin as a main component and have a thickness of not less than 0.3 to less than 1.0 mm, the cover has a hardness (F) of not less than 35 to less than 55, a hardness of the intermediate layer is higher than D and F, and a difference (A−B) between a deformation amount of the core (A) and that of the golf ball (B) is within the range of not less than 0.15 to less than 0.35 mm.
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Kato Akira
Moriyama Keiji
Birch & Stewart Kolasch & Birch, LLP
Hunter Alvin A
SRI Sports Limited
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