Title:
ゴルフボール
Document Type and Number:
Japanese Patent JP7147165
Kind Code:
B2
Abstract:
To provide a golf ball which is excellent in ball-hitting feeling and a flying distance in a shot with a long iron.SOLUTION: A golf ball includes: a core, an inner cover, a main cover, and an outer cover. The golf ball has a plurality of dimples 12 and lands 14 on surfaces thereof. The golf ball further includes many fine protrusions 18 formed on surfaces of the dimple 12 and the land 14. An average depth Fav of the dimple 12 and an average height Hav of the fine protrusion 18 satisfy the following mathematical expression (3). Hav
Inventors:
Hiroki Takihara
Takahiro Sashima
Kohei Mimura
Takahiro Sashima
Kohei Mimura
Application Number:
JP2017247250A
Publication Date:
October 05, 2022
Filing Date:
December 25, 2017
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
A63B37/00
Domestic Patent References:
| JP10146403A | ||||
| JP2002369896A | ||||
| JP2012020202A | ||||
| JP2017108862A | ||||
| JP2015142600A | ||||
| JP2016526444A | ||||
| JP2011092713A | ||||
| JP2003513767A | ||||
| JP2018033477A | ||||
| JP2019111005A |
Foreign References:
| US20170001076 | ||||
| WO2008069372A1 |
Attorney, Agent or Firm:
Aiko Patent Office, a patent business corporation
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