发明授权
- 专利标题: Golf ball
- 专利标题(中): 高尔夫球
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申请号: US14672930申请日: 2015-03-30
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公开(公告)号: US09533196B2公开(公告)日: 2017-01-03
- 发明人: Kazuhiko Isogawa , Kosuke Tachibana , Toshiyuki Tarao
- 申请人: DUNLOP SPORTS CO., LTD.
- 申请人地址: JP Kobe-shi
- 专利权人: DUNLOP SPORTS CO. LTD.
- 当前专利权人: DUNLOP SPORTS CO. LTD.
- 当前专利权人地址: JP Kobe-shi
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 优先权: JP2014-074634 20140331; JP2014-074635 20140331
- 主分类号: A63B37/12
- IPC分类号: A63B37/12 ; A63B37/14 ; A63B37/00 ; C08G18/48 ; C08G18/66 ; C08G18/75 ; C08G18/78 ; C08G18/79 ; C08G18/10 ; C09D175/08 ; C08G18/32
摘要:
A golf ball includes an intermediate layer, a cover, and a paint film, wherein a base resin of the paint film is a polyurethane obtained by a reaction between a polyisocyanate composition and a polyol composition containing a urethane polyol including a polyether diol with a number average molecular weight ranging from 800 to 3000 as a constituent component, and the golf ball satisfies the following requirements; Mp≦200×X−75 Mp≦100 Mm−Mc>100 Tm>Tc>Tp (Tm×Mm)/(Tc×Mc)>7.5 (Tc×Mc)/(Tp×Mp)>2.4. [Mp, Mm and Mc represent 10% modulus (kgf/cm2) of the paint film, intermediate layer and cover, respectively; Tp, Tm and Tc represent thicknesses (mm) of the paint film, intermediate layer and cover, respectively; and X represents a molar ratio (NCO/OH).]
公开/授权文献
- US20150273276A1 GOLF BALL 公开/授权日:2015-10-01
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