Title:
GOLF BALL
Document Type and Number:
Japanese Patent JP2019111296
Kind Code:
A
Abstract:
To provide a golf ball 2 which is excellent in ball-hitting feeling on a shot with a driver and ball-hitting feeling on putting and is excellent in moldability of a cover 6.SOLUTION: A golf ball 2 has a core 4 and a cover 6 positioned outside the core 4. The cover 6 is molded in a mold having support pins by injection molding. A ratio (K/S) of surface hardness K to an amount of compressive deformation S of the core 4 satisfies the following mathematical formula. 13.0≤K/S≤24.0 The cover 6 has hardness H of 62 or less. A product (α*V) of latitude α of the support pin and a volume V of the cover 6 is 300 or more.SELECTED DRAWING: Figure 1
Inventors:
TAKUBO TOSHIYUKI
SAJIMA TAKAHIRO
SAJIMA TAKAHIRO
Application Number:
JP2017249523A
Publication Date:
July 11, 2019
Filing Date:
December 26, 2017
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
A63B37/00
Domestic Patent References:
| JP2014069045A | 2014-04-21 | |||
| JPH11164914A | 1999-06-22 | |||
| JP2008023066A | 2008-02-07 | |||
| JP2002126129A | 2002-05-08 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office