Wound golf ball

Details Wound golf ball Wound golf ball

1997-05-08

1998-10-20

Marlo, George J.

Games using tangible projectile

Golf

Ball

473365, 473384, 273DIG20, A63B 3708, A63B 3706, A63B 3712, A63B 3714

Patent

active

058238883

ABSTRACT:
A wound golf ball comprising a center, a thread rubber layer and a cover has a weight of 40-45 grams and a distortion of 2.6-3.6 mm under a load of 100 kg. The center has an outer diameter of 30-35 mm and a distortion of 1.6-4 mm under a load of 30 kg. The cover has a Shore D hardness Hd of 50-68 and a gage of 1.2-2.2 mm. A percent overall dimple volume Vr which is defined as the sum of the volumes of dimple spaces each below a circular plane circumscribed by the dimple edge divided by the volume of the ball satisfies: (0.985-0.002 Hd).ltoreq.Vr.ltoreq.(1.085-0.002 Hd). The ball launches at a greater launch angle and initial velocity upon driver full shots at low head speed, traveling a longer distance.

REFERENCES:
patent: 5497996 (1996-03-01), Cadorniga
patent: 5601503 (1997-02-01), Yamagishi et al.
patent: 5702312 (1997-12-01), Horiuchi et al.
patent: 5704853 (1998-01-01), Maruko et al.

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