Two-piece golf ball

Details Two-piece golf ball Two-piece golf ball

1994-10-14

1996-10-08

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

A63B 3706, A63B 3712

Patent

active

055622879

ABSTRACT:
Disclosed is a two-piece golf ball comprising a core made of a rubber composition containing a base rubber, a co-crosslinking agent and an organic peroxide, and a cover. The core of the golf ball contains 20 to 30 parts by weight of the co-crosslinking agent based on 100 parts by weight of the base rubber. A hardness of the core, measured by a JIS-C type hardness tester, is within a range from 70 to 80 at any part from the center to the surface and a difference in hardness at any part is not more than 5. An amount of compression deformation of the core formed between initial loading (10 kg) and final loading (130 kg) is 3.1 to 3.8 mm.

REFERENCES:
patent: 4858924 (1989-08-01), Saito et al.
patent: 5033748 (1991-07-01), Ebisuno
patent: 5403010 (1995-04-01), Yabuki et al.
DATABASE WPI, Week 8546, Derwent Publ. Ltd. An 85-287891 & JP-A-60 199 471.

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