Wound golf ball

Details Wound golf ball Wound golf ball

1995-07-28

1997-05-13

Marlo, George J.

Games using tangible projectile

Golf

Ball

473365, 473351, A63B 3712

Patent

active

056286996

ABSTRACT:
In a wound golf ball comprising a solid center (1), thread rubber (2), and a cover (3), the cover has a multi-layer structure including an outer layer (4) and an inner layer (5) having a higher hardness than the outer layer. The outer layer (4) is 0.4-3.0 mm thick, and it is formed of a first ionomer resin having a Shore D hardness of 40 to 55. The inner layer is formed of a second ionomer resin having a Shore D hardness of 55 to 68. The difference in hardness between the first and second ionomer resins is at least 5 in Shore D hardness. The ball affords improved spin and durability.

REFERENCES:
patent: 701736 (1902-06-01), Kempshall
patent: 4272079 (1981-06-01), Nakade et al.
patent: 4337946 (1982-07-01), Saito et al.

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