To recycle excess substrate generated when a cover is molded by relaxing restriction with time by the time when the cover is molded after rubber kneading is performed and to improve durability of the golf ball by sufficiently penetrating the cover material into the core during cover molding process.
In the golf ball with the core having a solid or a thread-wound structure and the cover covering the above described core, the golf ball in which the above described cover is a cover prepared by incorporating trans-1,4- polyisoprene(TPI) as a main ingredient and microcapsules prepared by covering a vulcanization accelerator with a thermoplastic resin material and controlling the vulcanization starting temperature to perform vulcanization, is provided.
SAKAGAMI MASATAKE
YAGI NORIKO
MURAOKA KIYOSHIGE
JPH01240554A | 1989-09-26 | |||
JPH09296075A | 1997-11-18 | |||
JPH1017706A | 1998-01-20 | |||
JPH1017707A | 1998-01-20 | |||
JPH1071217A | 1998-03-17 | |||
JPH07313630A | 1995-12-05 | |||
JPS61118443A | 1986-06-05 | |||
JPS62160288A | 1987-07-16 | |||
JPS62282027A | 1987-12-07 | |||
JPH02309979A | 1990-12-25 | |||
JPH0543742A | 1993-02-23 | |||
JPS4825042A | 1973-04-02 | |||
JPS62143936A | 1987-06-27 |