Multi-piece solid golf ball

Details Multi-piece solid golf ball Multi-piece solid golf ball

1999-03-16

2000-10-10

Ricci, John A.

Games using tangible projectile

Golf

Ball

A63B 3706

Patent

active

061296406

ABSTRACT:
In a multi-piece solid golf ball comprising a solid core, an intermediate layer, and a cover, the solid core has a diameter of 28-40 mm and a specific gravity of less than 1.3, the intermediate layer is formed mainly of a polyurethane resin and has a Shore D hardness of 25-50 and a specific gravity of 1.1-2.0 and greater than that of the solid core, and the cover is formed mainly of an ionomer resin and has a gage of 0.5-3.2 mm and a Shore D hardness of 45-68. The golf ball offers a satisfactory flight distance and soft feel and is improved in spin properties.

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patent: 5967908 (1999-10-01), Yamagishi et al.
patent: 5980396 (1999-11-01), Moriyama et al.

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