Games using tangible projectile – Golf – Ball
Patent
1997-04-03
1998-12-29
Marlo, George J.
Games using tangible projectile
Golf
Ball
473372, A63B 3706, A63B 3712
Patent
active
058533370
ABSTRACT:
The present invention provides a multi-layer structure golf ball having a thread rubber layer, which has good shot feel and attains long flight distance. The golf ball comprises a center made of a vulcanized molded article of a rubber composition, a thread rubber layer formed on the center and a cover formed on the thread rubber layer, wherein
the center has a diameter of from 35 to 38 mm and a deformation amount, formed by applying a load to the center within the range from an initial load of 130 Kg to a final load of 130 Kg, of from 3.5 to 6 mm, and
when the deformation amount of the center is defined as deformation amount (A) and a deformation amount of the golf ball, formed by applying a load to the golf ball within the range from an initial load of 10 Kg to a final load of 130 Kg, is defined as deformation amount (B), the deformation amounts (A) and (B) meet the following equation:
Deformation amount (A)-deformation amount (B)=0.5 to 3 mm.
REFERENCES:
patent: 5702312 (1997-12-01), Horiuchi et al.
patent: 5740853 (1998-01-01), Maruko et al.
Kato Akira
Moriyama Keiji
Marlo George J.
Sumitomo Rubber Industries Ltd.
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