A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 37/12 (2006.01) A63B 37/00 (2006.01) A63B 37/02 (2006.01) A63B 37/04 (2006.01) C08K 5/098 (2006.01)
Patent
CA 2081716
- 14 - ABSTRACT The present invention provides a two piece golf ball having excellent hit feeling, which comprises a core and a cover, wherein the core has a deformation (compression deformation) of 3.7 to 4.5 mm caused by applying from 10 kg of an initial load to 130 kg of a final load, prepared from a rubber composition comprising 100 parts by weight of a cis-1,4-polybutadiene rubber and 20 to 30 % by weight of a metal salt of an unsaturated carboxylic acid, and the cover has a stiffness modulus of 3,700 to 4,500 kg/cm2 and a thickness of 2.2 to 2.9 mm.
Endo Seiichiro
Yabuki Yoshikazu
Kirby Eades Gale Baker
Sumitomo Rubber Industries Limited
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