Golf ball

Details Golf ball Golf ball

2005-07-12

2010-06-01

Trimiew, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

07727086

ABSTRACT:
The present invention provides a golf ball having excellent rebound characteristics and flight performance, while maintaining good durability and appearance. The present invention relates to a golf ball comprising a center, an intermediate layer and a cover, the intermediate layer comprises an outermost layer and a second layer adjacent to the underside of the outermost layer, and the cover has many dimples on the surface thereof, wherein the second layer is formed from thermoplastic resin and has a thickness of 0.5 to 2.0 mm, the outermost layer is formed from thermosetting or thermoplastic resin and has a thickness of 1 to 100 μm, the intermediate layer has depressions on the surface thereof at the position and shape corresponding to the dimples through the cover, and the cover is formed from thermoplastic resin and has a thickness of 0.1 to 0.8 mm in land portion having no dimple.

REFERENCES:
patent: 5816943 (1998-10-01), Masutani et al.
patent: 5823890 (1998-10-01), Maruko et al.
patent: 5836833 (1998-11-01), Shimosaka et al.
patent: 6773364 (2004-08-01), Sullivan et al.
patent: 6835793 (2004-12-01), Yokota et al.
patent: 2003/0158000 (2003-08-01), Kennedy et al.
patent: 3000918 (1999-11-01), None
patent: 2003-154034 (2003-05-01), None

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