Multi-piece solid golf ball

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

1988-02-17

1989-09-05

Marlo, George J.

Amusement devices: games

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

Target

273220, 273230, A63B 3700

Patent

active

048631671

ABSTRACT:
A three piece solid golf ball having improved rebound characteristics and a higher initial velocity which includes a center portion, an outer layer disposed over the center portion, and a cover disposed over the outer layer. The outer layer is formed from a rubber composition containing a base rubber, and has a base rubber volume content ratio of at least 0.65. The rubber composition of the outer layer further contains a gravity filler with a high specific gravity such that the outer layer has a higher specific gravity than the center, wherein the difference in specific gravity between the outer layer and the center varies from 0.15 to 0.8 for a small size golf ball and from 0.15 to 0.45 for a large size golf ball. The gravity filler may be selected from tungsten, tungsten carbide, molybdenum, lead, lead dioxide, nickel, or copper.

REFERENCES:
patent: 1470302 (1923-10-01), Thomas
patent: 1568514 (1926-01-01), Lewis
patent: 2741480 (1956-04-01), Smith
patent: 4625964 (1986-12-01), Yamada

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