Title:
ゴルフボール
Document Type and Number:
Japanese Patent JP7215085
Kind Code:
B2
Abstract:
An object of the present invention is to provide a golf ball having excellent durability. The present invention provides a golf ball comprising a spherical core composed of an inner core layer and an outer core layer, and at least one cover covering the spherical core, wherein the inner core layer is formed from an inner core layer 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 (d) a terpene-based resin.
Inventors:
Forest world
Kazuki Shiga
Nagakura Hikari
Takahiro Shigemitsu
Kazuki Shiga
Nagakura Hikari
Takahiro Shigemitsu
Application Number:
JP2018204319A
Publication Date:
January 31, 2023
Filing Date:
October 30, 2018
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
A63B37/00; C08K5/09; C08L21/00; C08L45/00; C08L65/00
Domestic Patent References:
| JP8332247A | ||||
| JP2001327631A | ||||
| JP63311971A |
Foreign References:
| US4373041 | ||||
| US4955966 |
Attorney, Agent or Firm:
Osamu Niguchi
Hideyuki Haratani
Hideyuki Haratani