Golf ball incorporating pair of thin hemispherical cups having targeted configuration/geometry and being compression molded about large, soft subassembly/core
First Claim
1. A golf ball having a CoR of at least 0.700 and comprising:
- a substantially spherical subassembly having a diameter of 1.30 inches or greater and a compression of from about 15 to about 60; and
an outer layer having a compression molded thickness of from about 0.015 inches to about 0.055 inches and consisting of first and second hemispherical cups that are compression molded about the substantially spherical subassembly;
wherein each hemispherical cup consists of a polymer composition having a melt flow index at 190°
C. under a 2.16-kg load of from about 0.8 g/10 min. to about 4 g/10 min. and has;
(i) a thickness that tapers from a top section to a bottom section such that a cup thickness ratio of a top section thickness to a bottom section thickness is from about 1.10 to 1.70; and
(ii) an inner surface that is sized, shaped and contoured to receive and conformally and adhesively mate onto and about the subassembly during compression molding such that the substantially spherical subassembly has a substantially spherical shape after compression molding and is disposed concentrically within the outer layer.
4 Assignments
0 Petitions
Accused Products
Abstract
Golf ball having CoR of at least 0.700 and comprising: a substantially spherical subassembly having diameter of 1.3 inches or greater and compression of from about 15-60; and a thin outer layer having a compression molded thickness of about 0.015-0.055 inches and consisting of first and second hemispherical cups consisting of a polymer composition having a melt flow index at 190° C. under a 2.16-kg load of from about 0.8 g/10 min. to about 4 g/10 min. and having a cup thickness ratio of from about 1.10 to 1.70 as well as an inner surface that is sized, shaped and contoured to receive and conformally and adhesively mate onto and about the subassembly during compression molding such that the subassembly in the finished golf ball is substantially spherical and disposed concentrically within the thin outer layer. Also, the novel hemispherical cups and the method of making the golf ball.
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Citations
26 Claims
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1. A golf ball having a CoR of at least 0.700 and comprising:
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a substantially spherical subassembly having a diameter of 1.30 inches or greater and a compression of from about 15 to about 60; and an outer layer having a compression molded thickness of from about 0.015 inches to about 0.055 inches and consisting of first and second hemispherical cups that are compression molded about the substantially spherical subassembly; wherein each hemispherical cup consists of a polymer composition having a melt flow index at 190°
C. under a 2.16-kg load of from about 0.8 g/10 min. to about 4 g/10 min. and has;(i) a thickness that tapers from a top section to a bottom section such that a cup thickness ratio of a top section thickness to a bottom section thickness is from about 1.10 to 1.70; and (ii) an inner surface that is sized, shaped and contoured to receive and conformally and adhesively mate onto and about the subassembly during compression molding such that the substantially spherical subassembly has a substantially spherical shape after compression molding and is disposed concentrically within the outer layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A golf ball subassembly made of first and second hemispherical cups consisting of a polymer composition having a melt flow index at 190°
- C. under a 2.16-kg load of from about 0.8 g/10 min. to about 4 g/10 min. and each hemispherical cup having;
(i) a cup thickness that tapers from a top section to a bottom section such that a cup thickness ratio of a top section thickness to a bottom section thickness is from about 1.10 to 1.70; and (ii) an inner surface that is sized, shaped, and contoured to receive an conformally and adhesively compression mold onto and about a substantially spherical subassembly having a diameter of at least 1.3 inches and a compression of from about 15 to about 60 such that the subassembly retains its substantially spherical shape after the first and second hemispherical cups are compression molded there about and is disposed concentrically within the compression molded first and second hemispherical cups. - View Dependent Claims (12, 13, 14, 15, 16, 17)
- C. under a 2.16-kg load of from about 0.8 g/10 min. to about 4 g/10 min. and each hemispherical cup having;
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18. A method of making a golf ball having a CoR of at least 0.700 and comprising the steps of:
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(a) providing a substantially spherical subassembly having a diameter of at least 1.30 inches and a compression of from about 15 to about 60; (b) providing first and second hemispherical cups consisting of a polymer composition having a melt flow index at 190°
C. under a 2.16-kg load of from about 0.8 g/10 min. to about 4 g/10 min. and each hemispherical cup having;(i) a thickness that tapers from a top section to a bottom section such that a cup thickness ratio of a top section thickness to a bottom section thickness is from about 1.10 to 1.70; and (ii) an inner surface that is sized, shaped and contoured to receive and conformally and adhesively mate onto and about the subassembly during compression molding such that the substantially spherical subassembly has a substantially spherical shape after compression molding and is disposed concentrically within the outer layer; and (c) compression molding the first and second hemispherical cups about the substantially spherical subassembly and forming an outer layer there about having a compression molded thickness of from about 0.015 inches to about 0.055 inches. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26)
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Specification