Title:
ゴルフボール
Document Type and Number:
Japanese Patent JP5864145
Kind Code:
B2
Abstract:
A golf ball 2 has, on a surface thereof, a plurality of types of dimples 8 having different diameters from each other. A standard deviation Vσ of the volumes of all the dimples 8 is equal to or less than 0.095 mm3. The ratio (Vσ/Dσ) of the standard deviation Vσ to a standard deviation Dσ of the diameters of all the dimples 8 is equal to or less than 0.35. Preferably, the shape of each dimple 8 is a portion of a spherical surface. The standard deviation Vσ is preferably equal to or less than 0.087 mm3. The ratio (Vσ/Dσ) is preferably equal to or less than 0.29.
Inventors:
Nakamura Takuson
Application Number:
JP2011143656A
Publication Date:
February 17, 2016
Filing Date:
June 29, 2011
Export Citation:
Assignee:
Dunlop Sports Co., Ltd.
International Classes:
A63B37/00
Domestic Patent References:
| JP10099468A | ||||
| JP2005143877A | ||||
| JP9206407A | ||||
| JP2006034768A |
Attorney, Agent or Firm:
Kengo Oka
Sumitomo Norio
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Sumitomo Norio
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya