Multi-piece solid golf ball

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

1996-06-13

1998-03-31

Marlo, George J.

Games using tangible projectile

Golf

Ball

473373, 473378, A63B 3706, A63B 3712

Patent

active

057332053

ABSTRACT:
A multi-piece solid golf ball comprising a core including an inner sphere and a surrounding layer and a cover enclosing the core and consisting of inner and outer cover layers is provided. The inner sphere has a distortion of 1.0-4.0 mm under a load of 100 kg, the surrounding layer is softer than the inner sphere, and the core has a distortion of 2.5-5.3 mm under a load of 100 kg. The outer cover layer has a hardness of at least 58 degrees on Shore D which is highest among the ball layers. The ratio A/B is between 0.3/1 and 1.4/1 wherein the inner sphere has a hardness A and the ball has a hardness B, both expressed by a distortion under a load of 100 kg. The ball maintains satisfactory flying performance and durability characteristic of solid golf balls and offers a pleasant soft feel, a click response and improved control.

REFERENCES:
patent: 5273286 (1993-12-01), Sun
patent: 5628699 (1997-05-01), Maruko et al.

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