公开(公告)号：US20130324318A1

公开(公告)日：2013-12-05

申请号：US13906476

申请日：2013-05-31

Applicant: Dunlop Sports Co. Ltd.

Inventor： Kazuhiko ISOGAWA ,  Kosuke TACHIBANA ,  Takahiro SAJIMA ,  Toshiyuki TARAO

IPC: A63B37/00

CPC classification number: A63B37/0076 ,  A63B37/0003 ,  A63B37/0004 ,  A63B37/0006 ,  A63B37/0018 ,  A63B37/0021 ,  A63B37/0033 ,  A63B37/0038 ,  A63B37/0039 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0075 ,  A63B37/0077 ,  A63B37/0092 ,  C08K5/09 ,  C08K5/098 ,  C09D175/04

Abstract: The present invention provides a golf ball comprising a golf ball body with a spherical core having one or more layers, an intermediate layer disposed outside the spherical core and a cover disposed outside the intermediate layer and a paint film formed on a surface of the golf ball body, and having a friction coefficient calculated using a contact force tester of 0.35 or more and 0.60 or less, wherein the golf ball body has specific plurality of dimples on the surface thereof, at least one layer of the spherical core is a rubber layer having a specific hardness distribution, and the rubber layer has a hardness at the outermost point which is greater than a hardness at the innermost point, and the intermediate layer has a slab hardness (Hm) which is greater than a slab hardness (Hc) of the cover.

Abstract translation: 本发明提供一种高尔夫球，其包括具有一个或多个层的球形芯的高尔夫球体，设置在球形芯外侧的中间层和设置在中间层外侧的盖和形成在高尔夫球表面上的漆膜 并且具有使用0.35以上且0.60以下的接触力试验机计算的摩擦系数，其中，所述高尔夫球体的表面具有特定的多个凹坑，所述球形芯的至少一层为具有 特定的硬度分布，并且橡胶层的最外点的硬度大于最内点处的硬度，中间层的板坯硬度（Hm）大于板的硬度（Hc）， 盖。