基本信息:
- 专利标题： GOLF BALL
- 申请号：US16726503 申请日：2019-12-24
- 公开(公告)号：US20200206574A1 公开(公告)日：2020-07-02
- 发明人： Hidetaka Inoue , Hironori Takihara , Hikaru Nagakura , Kai Hayashi
- 申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
- 申请人地址： JP Kobe-shi
- 专利权人： SUMITOMO RUBBER INDUSTRIES, LTD.
- 当前专利权人： SUMITOMO RUBBER INDUSTRIES, LTD.
- 当前专利权人地址： JP Kobe-shi
- 优先权： com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4385fab
- 主分类号： A63B37/00
- IPC分类号： A63B37/00 ; C08L23/08
摘要：
An object of the present invention is to provide a golf ball traveling a great flight distance and having a good shot feeling on long iron shots. The present invention provides a golf ball comprising a core, at least one intermediate layer covering the core and a cover covering the intermediate layer, wherein the core is formed from a core rubber composition containing (a) a base rubber containing a polybutadiene, (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, and a material hardness (Hm) of the intermediate layer is higher than a material hardness (Hc) of the cover, and the material hardness (Hc) of the cover is less than 50 in Shore D hardness.
公开/授权文献:
- US11167177B2 Golf ball 公开/授权日：2021-11-09
IPC结构图谱:
| A | 人类生活必需 |
| --A63 | 运动；游戏；娱乐活动 |
| ----A63B | 体育锻炼、体操、游泳、爬山或击剑用的器械；球类；训练器械 |
| ------A63B37/00 | 实芯球；弹子 |