Abstract: A low compression golf ball comprising a core formed from a mixture, substantially free of zinc oxide, said mixture comprising polybutadiene, a metal salt of a material selected from the group consisting of diacrylates, dimethacrylates, and monomethacrylates, and calcium oxide, wherein the amount of the calcium oxide is sufficient to provide a core compression of less than 70, and a cover having a Shore D hardness of less than 65.

Abstract: A simplified method of matching a golfer to a golf club and a golf ball by measuring the golfer's clubhead speed and comparing that measured value to recorded sets of data which correlates a few key variables that can accurately match the golfer with the most suitable golf club and golf ball designed to achieve optimum driving performance.

Abstract: A wound golf ball includes a center, at least one cover layer, and at least one wound layer disposed between the center and the cover layer. At least one of the wound layers is formed of a thread composed of at least two plies of material bonded together. The first and second plies have different physical properties. The first ply is more resilient than the second ply, and the second ply is more processible than the first ply. Each ply is formed of at least about 60% synthetic rubber and less than about 40% natural rubber. The synthetic rubber is a mixture of two synthetic cis- 1,4 polyisoprene rubbers with a cis-1,4 content of at least 90%. Each ply has a different ratio of the first synthetic rubber to the second synthetic rubber, so that the plies have different physical properties.

Abstract: The present invention relates to methods for making golf balls having adhesion between adjacent layers. In particular, the golf balls of the present invention comprise a cover, a core and optionally one or more intermediate layers disposed between the cover and the core, wherein the outer surface of the core an intermediate layer(s) or both the core and the intermediate layer has a finely textured surface profile integrally molded in the outer surface thereof. The finely textured surface profile comprises a plurality of peaks having a plurality of heights with a maximum of said heights being between the range of about 2 mils to about 15 mils.

Abstract: A method of forming a golf ball by forming a core center, forming a laminate of core material, forming the laminate around the core center to form a core and forming a cover around the core. The laminate preferably consists of at least three layers of different polybutadiene rubbers.

Abstract: A multi-layer golf ball comprising a core, a cover layer and a mantle layer disposed between the core and the cover. The cover layer consists essentially of at least a first and a second ionomer resin. The first resin is a copolymer of 16 to 35% by weight of an alpha, beta-unsaturated carboxylic acid and 84 to 65% by weight of an olefin, wherein about 10 to about 90% of the carboxyl groups of the copolymer are neutralized with a metal ion. The second resin is a terpolymer of 9 to 12% by weight of an alpha, beta-unsaturated carboxylic acid, 1 to 50% by weight n-alkyl acrylate or methacrylate and 38 to 90% by weight of an olefin, wherein about 10 to about 90% of the carboxyl groups of the terpolymer are neutralized with a metal ion. The mantle layer comprises a thermoplastic material, said thermoplastic material consisting essentially of polyetherester block copolymer.

Abstract: The present invention is directed towards a low-spin multi-layer golf ball which comprises a soft core, a cover layer and a mantle layer disposed between the core and cover layer, wherein the mantle layer has a shore D hardness of greater than 60 and a specific gravity of greater than about 1.2. The invention is also directed towards a golf ball comprising a core, cover layer, and a mantle layer, in which the core has a sufficient amount of calcium oxide to reduce core compression by at least about 2 compression points compared to a core consisting of the same mixture wherein zinc oxide is substituted in place of the calcium oxide.

Abstract: A golf ball having a diameter and comprising a fluid mass at the center of the ball, a first, solid, non-wound layer surrounding the fluid mass comprised of a non-elastic polymer material selected from the group of thermoplastic material, metal, and plastic, and having an inner diameter in the range of 30 to 70% of the ball diameter; a second, solid, non-wound layer surrounding the first mantle layer comprising an elastomeric polymer material selected from the group of thermoset rubber material and thermoplastic clastomeric material having an outer diameter in the range of 80 to 98% of the ball diameter, a hardness of less than about 65 Shore D, and a compression of about 80 or greater; and a cover surrounding the second layer.

Abstract: The present invention is directed to golf balls which have a lift to weight ratio greater than 1 when the ball is hit at a speed of 150 ft/sec and a spin rate of 3,000 rpm to enhance the lofting time of the ball and thereby provide the golfer with a slow swing speed increased distance and improved trajectory. The golf ball has a core and a cover. The cover has dimples ranging in number from 100 to 1,000 and having a total volume of less than 1.5% of the ball volume on its exterior surface. The dimples have diameters between 0.04 and 0.3 inch and depths between 2/1,000 and 20/1,000 of an inch. The golf ball weight ranges from 1.35 ounces (38.3 grams) 1.55 ounces (43.97 grams). The cover material has a flexural modulus of less than 65,000 p.s.i.

Abstract: The present invention is directed towards a multi-layer golf ball which comprises a core, a cover layer, and a mantle layer disposed between the core and cover layer. The core has a PGA compression less than about 70, the mantle layer has a flexural modulus of less than about 10,000 psi, and the cover layer has a flexural modulus greater than about 75,000 psi.

Abstract: The present invention is directed towards a multilayer golf ball which comprises a core; at least one cover layer; and one or more mantle layers disposed between the core and cover layer. The core has a compression of less than 70 points and a specific gravity less than 1.18. The mantle layer has a specific gravity of greater than 1.2. As a result, the ball of the present invention is a "soft" feeling distance ball.

Abstract: The invention includes a method of manufacturing a golf ball by placing a golf ball core into a preform mold cavity, injection molding a cover around the core, placing the resulting preform into a dimpled compression mold cavity and compression molding the cover to define a golf ball. The invention also includes injection molding a golf ball preform into an outer non-dimpled elongated spherical shape having an elongate axis, and compression molding a spherical golf ball from the preform in a substantially spherical dimpled compression mold cavity.

Abstract: The present invention is directed towards a multi-layer golf ball which comprises a core with one or more layers; at least one cover layer; and one or more mantle layers disposed between the core and cover layer, wherein the mantle layer comprises thermoplastic polyetherester, thermoplastic polyesterester dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane, metallocene polymer or blends thereof and thermoset materials. Further, the present invention is directed to a ball having a core, a coverlayer and a mantle layer therebetween wherein the mantle layer has a flex modulus of less than 10,000 psi and the cover has a flex modulus greater than 80,000 psi.

Abstract: The present invention is directed towards a multi-layer golf ball which comprises a core with one or more layers; at least one cover layer; and one or more mantle layers disposed between the core and cover layer, wherein the mantle layer comprises dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane, metallocene polymer or blends thereof and thermoset materials.

Abstract: A golf ball having a diameter of approximately 1.68 to 1.90 inches and comprising:a fluid mass at the center of the ball;a first, solid, non-wound mantle layer surrounding the fluid mass comprised of a polymer material selected from the group of thermoset rubber material, thermoplastic elastomeric material and plastic and having an inner diameter in the range of 30 to 70% of the ball diameter;a second, solid, non-wound mantle layer surrounding and abutting the first mantle layer and being a polymer material selected from the group of thermoset rubber material and thermoplastic elastomeric material and having an outer diameter in the range of 80 to 98% of the ball diameter, a hardness of approximately 30 to 95 Shore C and a resiliency greater than 40 bashore; anda cover surrounding the second mantle layer.

Abstract: A golf ball in the shape of a sphere having a core and an outer cover, said cover defining an outer surface with a plurality of non-annular dimples in said outer surface, each dimple having a predetermined dimple perimeter on said outer surface to define an enclosed area having a diameter the improvement wherein:a) each dimple has a bottom surface area spaced radially inwardly of said outer surface;b) said bottom surface area is substantially equal to the enclosed area defined by said perimeter; andc) said bottom surface area is a constant depth from said outer surface along said diameter.