Golf ball

Details Golf ball Golf ball

1997-02-28

1998-10-06

Marlo, George J.

Games using tangible projectile

Golf

Ball

473378, 473365, A63B 3708, A63B 3712

Patent

active

058169385

ABSTRACT:
The invention provides a wound golf ball comprising a liquid center in the form of a center bag filled with a liquid, a thread rubber layer, and a cover. The liquid is based on water and has a viscosity of 1 to 500 centipoises at 20.degree. C. The liquid center has a diameter D of 26-32 mm. The relationship: (A.times.B)/D.ltoreq.4.5 is met wherein A is a gage as expressed in mm and B is a hardness on JIS A scale of the center bag. A hysteresis loss of up to 7% is recorded when the liquid center is deformed to 50% of its diameter. The ball has a pleasant hitting feel and a reduced spin rate, and travels a longer distance.

REFERENCES:
patent: 5511791 (1996-04-01), Ebisuno et al.
patent: 5605512 (1997-02-01), Yamada et al.
patent: 5655977 (1997-08-01), Kakiuchi et al.
patent: 5674137 (1997-10-01), Maruko et al.

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