Title:
ゴルフボールの製造方法
Document Type and Number:
Japanese Patent JP7358777
Kind Code:
B2
Abstract:
A method for manufacturing a golf ball having a core, an intermediate layer and a cover that is formed of a resin material composed primarily of a polyurethane resin and has a thickness of 0.1 mm to 0.7 mm by injection molding the cover using a vertically separating two-part injection mold having specific gate and support pin configurations. This method enables a relatively soft urethane resin cover that is thin and of high quality to be formed, and has a good golf ball productivity.
Inventors:
Hideo Watanabe
Application Number:
JP2019096976A
Publication Date:
October 11, 2023
Filing Date:
May 23, 2019
Export Citation:
Assignee:
Bridgestone Sports Co., Ltd.
International Classes:
A63B45/00; B29C33/12; B29C45/27
Domestic Patent References:
| JP2009213712A | ||||
| JP11009722A | ||||
| JP2006014939A | ||||
| JP4098034B2 |
Attorney, Agent or Firm:
Patent Attorney Corporation Eimei International Patent Office