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US 8,801,545 B2Granted
Colored golf ball
AssigneeBridgestone Sports Co., Ltd.
InventorsHiroyuki Nagasawa, Satoshi Matsuda
Life of this patent
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Abstract
In a colored golf ball having a core, a cover of at least one layer encasing the core, and a layer of paint applied to a surface of an outermost layer of the cover, the outermost cover layer and/or the paint layer is colored with a fluorescent dye, and the golf ball itself has a color tone which satisfies specific ranges in the Lab color system. The ball is endowed with an excellent spin performance and durability, an appearance characterized by outstanding visibility, stylishness and elegance, and an excellent weather resistance.
Claims15
A colored golf ball comprising:
- a core,
- a cover of at least one layer encasing the core, and
- a layer of paint applied to a surface of an outermost layer of the cover,
- wherein the outermost cover layer or the paint layer, or both, is colored with a fluorescent dye and the golf ball itself has a color tone, at a measurement area diameter of 5 mm in a method of measuring the color of a reflecting object according to JIS Z-8722, which, expressed in the Lab color system, satisfies the conditions 20≦L, −30≦a≦75, and −60≦b≦55, wherein the golf ball itself has a color tone at a measurement area diameter of 5 mm and a color tone at a measurement area diameter of 15 mm, such that the color difference ΔE therebetween is larger than 10.
1 more element
Dependencies are inferred from the claim text.