Title:
ゴルフボール成形用金型およびこの金型を用いて製造されるゴルフボール
Document Type and Number:
Japanese Patent JP5599274
Kind Code:
B2
Abstract:
A mold for forming a golf ball makes it possible to form minute dimples, and to improve mold release properties of the mold and wettability of the mold by a material when a urethane material is used for a cover layer. A mold according to the present invention is a mold for forming a urethane cover as an outermost layer of a golf ball, and includes: at least two split molds that are separably joined with each other, and that includes a cavity formed therein by the joining, the cavity being for forming the urethane cover; protrusions that are formed on a cavity surface of the split molds to form dimples of the golf ball; and a composite plating film that covers the cavity surface of the split molds, that comes into contact with a material of the urethane cover, and that contains a nickel-based matrix and fluororesin particles dispersed in the nickel-based matrix.
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Inventors:
Yoichi Omura
Hirotaka Shimosaka
Hirotaka Shimosaka
Application Number:
JP2010210659A
Publication Date:
October 01, 2014
Filing Date:
September 21, 2010
Export Citation:
Assignee:
Bridgestone sport incorporated company
International Classes:
A63B45/00; A63B37/00
Attorney, Agent or Firm:
Okuyama In addition, it is 1.
Owner field Koichi
Tetsuo Matsushima
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Fukagawa Hidesato
Morimoto Satoshi 2
Kyoko Tsunoda
Mikinori Hirose
Owner field Koichi
Tetsuo Matsushima
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Fukagawa Hidesato
Morimoto Satoshi 2
Kyoko Tsunoda
Mikinori Hirose