Title:
GOLF BALL
Document Type and Number:
Japanese Patent JP2018099482
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a golf ball 2 excellent in controllability in an approach shot in a dry state and a wet state, and also excellent in flight performance.SOLUTION: A golf ball 2 includes a core 4, a cover 8 located outside the core 4, and a coating film 10 located outside the cover. The coating film 10 includes an inner layer 12 and an outer layer 14 located outside the inner layer 12. A 10% modulus Mo of the outer layer 14 is smaller than a 10% modulus Mi of the inner layer 12. A difference between the modulus Mi and the modulus Mo (Mi-Mo) is 25.0 kgf/cmor more. Shore D hardness Hc of the cover 8 is 50-65. A thickness Tc of the cover 8 is 0.80-1.80 mm.SELECTED DRAWING: Figure 1
Inventors:
MIMURA KOHEI
TARAO TOSHIYUKI
INOUE HIDETAKA
TARAO TOSHIYUKI
INOUE HIDETAKA
Application Number:
JP2016248578A
Publication Date:
June 28, 2018
Filing Date:
December 22, 2016
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
A63B37/00
Domestic Patent References:
| JP2000288125A | 2000-10-17 | |||
| JP2002345999A | 2002-12-03 | |||
| JP2009100894A | 2009-05-14 | |||
| JP2013176530A | 2013-09-09 | |||
| JP2013248298A | 2013-12-12 | |||
| JP2015195878A | 2015-11-09 | |||
| JP2015126772A | 2015-07-09 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office
Kengo Oka
Sumitomo Norio
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
Hiroomi Nakao
Kengo Oka
Sumitomo Norio
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
Hiroomi Nakao