Solid golf ball with prestretched intermediate layer

Details Solid golf ball with prestretched intermediate layer Solid golf ball with prestretched intermediate layer

1997-10-20

2000-03-28

Marlo, George J.

Games using tangible projectile

Golf

Ball

473366, 473376, A63B 3706

Patent

active

060424893

ABSTRACT:
A solid golf ball having a core, a cover, an intermediate skin between the core and the cover defining a generally continuous inner annular surface, wherein the inner annular surface of the skin is stretched over the core. Desirably, to prevent breakage, the annular surface is at least 1/4 inch wide. Preferably, the skin has a substantially uniform thickness and covers substantially the entire outer surface of the core so that the golf ball will react in a uniform manner regardless of where on the cover the ball is struck. The skin preferably comprises a polymeric material which is stretched so as to have a predetermined amount of initial strain so as to reach a certain level of crystallization of material. This predetermined amount of initial strain is desirably 150%, preferably 200% and, most preferably 400%. A method of manufacturing a golf ball having a stretched intermediate skin is also disclosed.

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