| 摘要 |
The invention provides a golf ball (10) and a method for making the ball. Two cups (30) are molded from an elastomer separately from an inner sphere (20). In one embodiment of the method, the cups (30) are molded on both sides of a single mold part (36) with hemispherical protrusions (35, 37) that form cavities (44) in the cups (30). An inner sphere (20) is placed within the cavities (44) and the cups (30) are joined, preferably by applying adhesive (42) therebetween. To retain the characteristics of the cup material where the cups (48, 54) meet, an embodiment of the cups (48, 54) can be formed with nonplanar mating surfaces (50, 52, 56, 58) that mesh with each other. The nonplanar mating surfaces (50, 52, 56, 58) preferably have a pattern that is symmetrical about the inner sphere (20) such as concentric ridges, for example a tongue and a groove. |
