Invention Grant
- Patent Title: Golf ball material and golf ball
- Patent Title (中): 高尔夫球材料和高尔夫球
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Application No.: US12977129Application Date: 2010-12-23
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Publication No.: US08690714B2Publication Date: 2014-04-08
- Inventor: Kazuyoshi Shiga , Toshiyuki Tarao , Keiji Ohama
- Applicant: Kazuyoshi Shiga , Toshiyuki Tarao , Keiji Ohama
- Applicant Address: JP Kobe
- Assignee: SRI Sports Limited
- Current Assignee: SRI Sports Limited
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2009-298111 20091228
- Main IPC: A63B37/04
- IPC: A63B37/04
Abstract:
An object of the present invention is to provide a golf ball material producing a high spin rate on approach shots and a low spin rate on driver shots and a golf ball using the same. The present invention provides a golf ball material having a ratio [Shore D/log(bending stiffness)] of Shore D hardness to a logarithm of bending stiffness (kgf/cm2) of 19.0 or more.
Public/Granted literature
- US20110159990A1 GOLF BALL MATERIAL AND GOLF BALL Public/Granted day:2011-06-30
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