Golf ball

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2005-04-12

2005-04-12

Buttner, David J. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S261000, C525S274000, C473S378000, C473S385000

Reexamination Certificate

active

06878777

ABSTRACT:
A golf ball providing rebound performance, spin performance, resistance to abrasion and anti-wearability in an excellent balance is formed of a core and a cover arranged to cover the core and formed mainly of diene rubber having a smaller trans structure content before it is crosslinked than after it is crosslinked, in particular by 2 to 20%. The diene rubber is preferably polybutadiene rubber and as the cover's co-crosslinking agent a metallic salt of α,β-ethylene unsaturated carboxylic acid is used.

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Yamamoto, Shinji, et al. Journal of the Society of Rheology, Japan; Nihon Reoroji Gakkaishi vol. 25, No. 5, 275-282, 1997.

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