Golf ball

Details Golf ball Golf ball

2006-12-27

2009-06-16

Trimiew, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

07547258

ABSTRACT:
The invention provides a golf ball that is molded using a golf ball mold composed of a pair of mold halves, each having a hemispherical cavity, which when separably mated form an interior spherical cavity, the golf ball comprising a surface that includes an equator located at a place which corresponds to the parting line of the mold and a pole located at each of two vertices on either side of the equator, wherein the ball has on the surface thereof one or more dimple that lies across the equator and additionally has, at and near the poles, dimples some or all of which are formed to either a shallower depth or a smaller volume than dimples of the same diameter in other regions. The invention enables golf balls having numerous dimples formed thereon to be efficiently produced with a split mold. The golf balls thus obtained have a high symmetry performance.

REFERENCES:
patent: 4744564 (1988-05-01), Yamada
patent: 5902193 (1999-05-01), Shimosaka et al.
patent: 2003/0050138 (2003-03-01), Kasashima
patent: 6-7875 (1994-02-01), None
patent: 10-99468 (1998-04-01), None
patent: 2000-325499 (2000-11-01), None

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