Solid golf ball
AssigneeBridgestone Sports Co., Ltd.
InventorHirotaka SHINOHARA
Life of this patent
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Abstract
The invention provides a solid golf ball which has a core of at least one layer and a cover of at least one layer. At least one layer of the core is formed primarily of polybutadiene and includes at least 0.05 part by weight of a polyurethane resin powder having an average particle size of not more than 2 mm per 100 parts by weight of rubber component. At least one layer of the cover is formed primarily of polyurethane.
Claims7
A solid golf ball comprising a core of at least one layer and a cover of at least one layer, wherein at least one layer of the core is formed primarily of polybutadiene and includes at least 0.05 part by weight of a polyurethane resin powder having an average particle diameter of not more than 2 mm per 100 parts by weight of rubber component, and at least one layer of the cover is formed primarily of polyurethane;
- and
- wherein the polyurethane resin powder has a melting point which is higher than a vulcanization temperature of the core.
Dependencies are inferred from the claim text.