发明名称 |
GOLF BALL |
摘要 |
An object of the present invention is to provide a golf ball excellent in flying performance, in particular, to provide a golf ball traveling a great flight distance. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d1) an aromatic carboxylic acid or (d2) an aromatic carboxylic acid salt, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent. |
申请公布号 |
US2017036068(A1) |
申请公布日期 |
2017.02.09 |
申请号 |
US201615295748 |
申请日期 |
2016.10.17 |
申请人 |
Dunlop Sports Co., Ltd. |
发明人 |
MIKURA Chiemi;FUSHIHARA Kazuhisa;YAMADA Mikio;KURIHARA Shun;SHINDO Ayaka |
分类号 |
A63B37/00;A63B45/00 |
主分类号 |
A63B37/00 |
代理机构 |
|
代理人 |
|
主权项 |
1. A golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d1) an aromatic carboxylic acid, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent, wherein the rubber composition contains (d1) the aromatic carboxylic acid in an amount ranging from 5 parts to 40 parts by mass with respect to 100 parts by mass of (a) the rubber composition. |
地址 |
Kobe-shi JP |