Golf ball
AssigneeSRI Sports Limited
InventorsKeiji Ohama, Kazuhiko Isogawa
Life of this patent
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Abstract
The present invention provides a golf ball comprising a core, an intermediate layer covering the core, and a cover covering the intermediate layer, wherein the intermediate layer contains a 3-dimensional shaped metal oxide having at least three needle-shaped parts. Blending the 3-dimensional shaped metal oxide into the intermediate layer enhances the rigidity of the resultant intermediate layer and the hardness thereof. Making use of this property, it is possible to improve the durability, the flight performance and the shot feeling of the golf ball.
Claims15
A golf ball comprising
- a core,
- an intermediate layer covering the core, and
- a cover covering the intermediate layer as an outermost layer, wherein the intermediate layer comprises a 3-dimensional shaped metal oxide having at least three needle-shaped parts.
A golf ball comprising
- a core,
- an intermediate layer, and
- a cover covering the intermediate layer as an outermost layer, wherein the intermediate layer comprises a 3-dimensional shaped metal oxide having at least three needle-shaped parts and has a slab hardness of less than 55 D in shore D hardness.
A golf ball comprising
- a core,
- an intermediate layer, and
- a cover covering the intermediate layer as an outermost layer, wherein the intermediate layer comprises a 3-dimensional shaped metal oxide having at least three needle-shaped parts and has a slab hardness of 55 D or more in shore D hardness.
Dependencies are inferred from the claim text.