| 摘要 |
A three-piece thread wound golf ball including a central solid core portion having increased diameter of 1.35--1.50 inch (34.3-38.1mm) and specific gravity of 1.20-1.25, a thread-wound intermediate portion, having diameter of 1.54-1.60 inches,, and an outer dimpled cover portion which construction provides desirable increased moment of inertia and spin characteristics for the ball. The resulting golf ball characteristics are such that when hit with a Driver, other woods or the longer iron club it performs like a distance two-piece golf ball, when hit with mid-iron clubs it performs like a two-piece Hi-spin golf ball and soft covered multi layered balls, and when it is struck with short iron clubs it perform much like a Balata wound golf ball.
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