Title:
MULTIPIECE SOLID GOLF BALL
Document Type and Number:
Japanese Patent JP3516125
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a golf ball which provides a large carry, has excellent controllability, improves a feeling and contributes to an improvement in durability.
SOLUTION: This golf ball is constituted to have a solid core and covers consisting of two inside and outside layers covering this solid core. In such a case, the deformation quantity of the solid core when the core is loaded with 100 kg is ≥2.4 mm and the inner cover layer is mainly composed of an ionomer resin and is formed to have a Shore D hardness of 28 to 58. The outer cover layer is mainly composed of a thermoplastic polyurethane elastomer and is formed to have a Shore D hardness of 30 to 55.
Inventors:
Higuchi, Hiroshi
Ichikawa, Yasushi
Yamagishi, Hisashi
Hayashi, Junji
Kawada, Akira
Ichikawa, Yasushi
Yamagishi, Hisashi
Hayashi, Junji
Kawada, Akira
Application Number:
JP30797197A
Publication Date:
April 05, 2004
Filing Date:
October 22, 1997
Export Citation:
Assignee:
BRIDGESTONE SPORTS CO LTD
International Classes:
A63B37/00; A63B37/02; A63B37/04; A63B37/12; A63B45/00; C08L75/04; (IPC1-7): A63B37/00; A63B37/04; A63B37/12
Attorney, Agent or Firm:
小島 隆司 （外２名）