Mold for a golf ball
First Claim
1. A mold for forming a cover for a golf ball, the mold comprising:
- a spherical cavity formed therein;
hemispherical upper and lower mold cups being removably mated along a parting line that is distinct from the position corresponding to an equator line of the spherical cavity, each mold cup having a interior cavity detail, each mold cup having a mating surface forming the parting line;
the mold creating a pattern of dimples on the cover of the golf ball, wherein at least one dimple lies across an equator of the ball;
the mating surface of each mold cup comprising multiple radii forming a plurality of peaks and valleys; and
the mating surface of each mold cup is a result of a superposition of a base waveform with a secondary waveform, whereby wavelength of the secondary waveforms are substantially shorter than that of the base waveform,wherein when the mold cups are assembled the parting line follows the dimple outline pattern and allows the dimples of one mold cup to interdigitate with the mating mold cup to form a golf ball with substantially seamless appearance.
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Accused Products
Abstract
An improved mold for making a golf ball comprises a pair of mold cups which are assembled together at an angular interlock. An upper mold cup has a projection rim that mates with a recess in the lower mold cup to provide for a substantially perfect registration, wherein the shift on the molded golf ball is minimized, and the parting line has a minimal amount of flashing that needs to be removed. The upper and lower mold cups have mating surfaces that can produce a corrugated parting line. Each mating surface comprising a plurality of peaks and valleys which are created by multiple radii, whereby when assembled the parting line follows the dimple outline pattern and allows the dimple outline pattern of one mold cup to interdigitate with the dimple outline pattern of the mating mold cup, to form a golf ball of substantially seamless appearance.
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Citations
11 Claims
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1. A mold for forming a cover for a golf ball, the mold comprising:
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a spherical cavity formed therein; hemispherical upper and lower mold cups being removably mated along a parting line that is distinct from the position corresponding to an equator line of the spherical cavity, each mold cup having a interior cavity detail, each mold cup having a mating surface forming the parting line; the mold creating a pattern of dimples on the cover of the golf ball, wherein at least one dimple lies across an equator of the ball; the mating surface of each mold cup comprising multiple radii forming a plurality of peaks and valleys; and the mating surface of each mold cup is a result of a superposition of a base waveform with a secondary waveform, whereby wavelength of the secondary waveforms are substantially shorter than that of the base waveform, wherein when the mold cups are assembled the parting line follows the dimple outline pattern and allows the dimples of one mold cup to interdigitate with the mating mold cup to form a golf ball with substantially seamless appearance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification