Golf ball

Details Golf ball Golf ball

1999-09-09

2000-09-19

Chapman, Jeanette

Games using tangible projectile

Golf

Ball

473356, A63B 3704

Patent

active

061203920

ABSTRACT:
In a golf ball comprising a core, an intermediate layer, and a cover, the intermediate layer is formed mainly of a heated mixture of (A) a thermoplastic polyether ester elastomer having a Shore D hardness of 25-50, a tan.delta. value of 0.01-0.1 in the temperature range of -10.degree. C. to 20.degree. C. as determined by viscoelasticity measurement, and a Tg of not higher than -20.degree. C. and (B) an olefin elastomer, modified olefin elastomer, styrene-conjugated diene block copolymer or hydrogenated styrene-conjugated diene block copolymer having a JIS A hardness of 15-80. The ball has a good feel and an increased flight distance.

REFERENCES:
patent: 5439227 (1995-08-01), Egashira et al.
patent: 5496876 (1996-03-01), Jacquemin et al.
patent: 5556098 (1996-09-01), Higuchi et al.
patent: 5596042 (1997-01-01), Itoh et al.
patent: 5704854 (1998-01-01), Higuchi et al.
patent: 5879244 (1999-03-01), Hwang
patent: 5886097 (1999-03-01), Fukumoto et al.

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