Golf ball
AssigneeSRI Sports Limited
InventorsTsutomu HIRAU, Kazuhiko ISOGAWA
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AssigneeSRI Sports Limited
InventorsTsutomu HIRAU, Kazuhiko ISOGAWA
Estimating the term…
A golf ball 2 includes a core 4 and a cover 6 positioned outside the core 4. The cover 6 has a thickness of 0.2 mm or greater and 1.0 mm or less. The cover 6 is formed by injecting a resin composition from an injection molding machine into a mold. The product (M*V*T) of: a melt fluidity M (g/10 min) of the resin composition, which is measured at 190° C.; an injection rate V (cm3/sec) of the injection molding machine; and an injection time T (sec) of the injection molding machine, is equal to or greater than 500 and equal to or less than 1000. Preferably, in the golf ball 2, the melt fluidity M of the resin composition is equal to or greater than 15 g/10 min and equal to or less than 100 g/10 min.
A golf ball comprising a core and a cover positioned outside the core, wherein
A method for manufacturing a golf ball, the method comprising the steps of:
Dependencies are inferred from the claim text.