| 摘要 |
A golf ball having an improved core that comprises solid projections to produce a partially hollow core that is sectioned into hollow pockets separated by solid walls, thereby providing a durable core that has a reduced specific gravity. The projections being flexible to allow the core to deform upon impact without fracturing or failing in use. The volume occupied by the projections is less than the volume of the voided areas. Partially hollow layers formed by projections that create compartments between layers. At least one hollow layer placed between the core and cover will reduce the specific gravity and allow for an increased amount of perimeter weighing.
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