Abstract: A golf ball includes: a radio frequency identification (RFID) tag including an IC chip and an antenna; a protection layer surrounding the outer periphery of the RFID tag; a relaxation layer surrounding the outer periphery of the protection layer; a core surrounding the outer periphery of the relaxation layer; and a cover surrounding the outer periphery of the core. The curing temperature of the protection layer is 80° C. or less, and the protection layer is formed with a material having a hardness of Shore D 60 or more. The relaxation layer is formed with a thermoplastic elastomer-based material having a hardness with a difference from a hardness of a surface of the core on a side contacting the relaxation layer of Shore D 20 or less. The protection layer has an outer diameter of 3 to 16 mm, the relaxation layer has an outer diameter of 21 mm or less, and the core has a thickness of 8 mm or more.

Abstract: The present disclosure is directed to a golf ball and a method for providing a golf ball that is customizable by a golfer to achieve a golfer's desired playing characteristics. The customizable golf ball includes multiple layers of customizable thermoplastic or thermoset materials in varying hardness levels that may be assembled by the golfer to achieve a desired feel in play. After play, the customizable golf ball may be disassembled to again vary the playing characteristics of the ball by substituting layers of varying hardness levels, or to simply replace old or worn out parts.

Abstract: A multi-layer golf ball includes a core having an outer surface, an intermediate layer surrounding the core, and a cover layer surrounding the intermediate layer, which defines an outermost portion of the ball. The outer surface of the core includes a plurality of polygonal protrusions aligned on a common sphere and a plurality of grooves that extend radially inward from the sphere and respectively separate and define each of the polygonal protrusions. The intermediate layer has a radially inward facing surface that is bonded to the outer surface of the core across the entire outer surface.

Abstract: The present disclosure provides to a kit for customizing and recycling golf balls, and related methods. The kit includes one or more sets of golf ball covers, may include one or more sets of golf ball cores, and may further include a golf ball cover removal device and a golf ball cover application device. A golfer may select a golf ball cover from a set based on a desired play characteristic. For example, the golfer may select a relatively hard cover from a set of golf ball covers having different hardness values. The golfer may then apply the selected golf ball cover to a golf ball core using the golf ball cover application device. The core may be selected from a set of cores in the kit, or the core may be obtained from a recycled golf ball using a golf ball cover removal device.

Abstract: A high impact game ball with a core structure founded on a spherical member, a spherical casing concentrically disposed relative to the spherical member, at least one surface deviation disposed relative to the spherical member of the core structure, and at least one corresponding surface deviation disposed relative to the spherical casing in a mating relationship with the at least one surface deviation of the spherical member. A switching arrangement can be embedded in the spherical member for causing a response to be exhibited based on the occurrence of an activation condition, such as an impact or a remote activation signal. A plurality of positioning stays can project from the spherical member to ensure a concentric relationship relative to the spherical casing.

Abstract: A method for making a multilayer golf ball including a solid center having a center hardness, a plurality of laminates cut into a plurality of shapes formed around the center to create an inner ball, and a cover formed around the inner ball, wherein the plurality of layers can include at least a first layer having a hardness greater than the center hardness and a second layer having a hardness greater than the first layer hardness, and optionally a third layer disposed between the first and the second layers having a hardness greater than the first layer hardness.

Abstract: A golf ball with at least one moisture vapor barrier layer is disclosed. The moisture vapor barrier layer is formed from a composition comprising a filler dispersed in a liquid or solven-born polymer of multi-olefin, iso-olefin, or a combination thereof.

Abstract: In a multi-piece solid golf ball comprising a solid core, an intermediate layer, and a cover, the intermediate layer has a gage G1 of 0.8–2 mm and a Shore D hardness of 50–65, the cover has a gage G2 of 0.5–1.3 mm and a Shore D hardness of 37–53, and the intermediate layer gage G1 and the cover gage G2 satisfy [G1/(G1+G2)]×100?45%. Upon full shots with a driver, the ball gains a reduced spin rate and an increased initial velocity, which lead to an increase in travel distance.

Abstract: A multi-layer golf ball can be prepared, possessing the performance characteristics of both a solid ball and a wound ball, by selecting the content and thickness of one or more of the layers, wherein the multi-layer golf ball comprises a center, an intermediate layer, a wound layer of tensioned material, and a cover, such that any one or more of the following are satisfied: (a) at least a portion of the intermediate layer includes a thermoset material; (b) the winding includes fiber, glass, carbon, polyether urea, polyether block copolymers, polyester urea, polyester block copolymers, isotactic-poly(propylene), polyethylene, polyamide, poly(oxyethylene), polyketone, poly(ethylene terephthalate), poly(p-phenylene terephthalamide), poly(acrylonitrile), diaminodicyclohexyhnethane, dodecanedicarboxylic acid, or copolymers or combinations thereof; (c) the thickness of the wound layer is less than about 1 mm; and (d) at least a portion of the cover includes a thermoset material.

Abstract: A golf ball is described that includes a spherical core, an inner cover or mantle layer, and an outer cover layer. A wide array of ionomeric materials are noted for use in the various cover layers. The mantle and the outer cover layers exhibit different Shore D hardness values and at least one of the layers includes a heavy weight filler material to enhance the interior perimeter weight of the ball. In several particular versions of the golf balls, the filler material is present in an amount of at least 10% by weight based upon the weight of the layer or layers within which the filler material is incorporated.

Abstract: A golf ball comprising a core, a barrier layer enveloping the core, and a cover enveloping the barrier layer, wherein the barrier layer has a moisture vapor transmission rate less than that of the cover, and the barrier layer comprises a thermoplastic or thermoset composition of microparticles dispersed in a binder.

Abstract: The invention includes a golf ball having a core, a hoop-stress layer of high tensile elastic modulus material wrapped or wound about the core, at least one outermost layer of a thermoset material having a thickness of greater than about 0.065 inches. A binding material can be used in conjunction with the hoop-stress layer to facilitate positioning of the hoop-stress layer around the core for easier manufacturing.

Abstract: A golf ball comprising a core and a cover disposed adjacent the core, wherein the cover comprises: an inner cover layer having a first thickness and being disposed directly about the core; an outer cover layer having a second thickness no greater than about 0.050 inches; and an intermediate cover layer having a third thickness and being disposed between the inner and outer cover layers; and wherein the outer cover layer comprises a composition formed of a reactive liquid material; and the combination of the first, second, and third thickness is no greater than about 0.125 inches.

Abstract: The present invention relates to a golf ball comprising a core layer, at least one intermediate layer, and a cover layer, wherein the core layer or the at least one intermediate layer are formed from compositions comprising a polyamide, in the form of a homopolymer, a copolymer, or mixtures thereof. The compositions comprise about 1 to about 99 weight percent of at least one nonionomer polymer and about 99 to about 1 weight percent of at least one polyamide polymer. The polyamides of the present invention comprise polyamides and polyamide copolymers, such as nylons, nylon copolymers, and nylon block copolymers. The nonionomer polymer comprises a nonionomer thermoplastic elastomer or a nonionomer thermoplastic.

Abstract: A golf ball (1) comprises a core (3) and a cover (5). The core (3) has a six-layer structure having first to sixth layers (7) to (17). A value of (T1/T2) is greater than 2.10 and is equal to or smaller than 2.50, wherein time series data on force in a z direction which is applied to a load cell provided on a back face of a collision plate inclined by 22 degrees with respect to a horizontal direction when the golf ball (1) impacts the collision plate at a speed of 35 m/s in a vertically upward direction are represented by Fn(t), time series data on force in an x direction are represented by Ft(t), a time taken after a start of the impact before the Fn(t) is first changed from a positive number to zero is represented by T1 and a time taken after the start of the impact before the Ft(t) is first changed from a positive number to a negative number is represented by T2. The golf ball (1) has a higher back spin rate during hitting on the same conditions than that of a conventional golf ball.

Abstract: The present invention is directed towards a golf ball and a method of making a golf ball which comprises a center, at least one cover layer, and at least one wound layer of a tensioned material windings between the center and the cover. Such golf balls have a coefficient of restitution that is optimized for low swing speed players. Since these players usually swing the club at the ball at low swing speeds, and thus get less distance from the ball off the tee, greater ball resiliency tends to provide greater distance and velocity off the tee. Preferably, the golf ball has a core having a thin wound layer of thread. The wound layer of the present invention may be applied to golf balls having liquid or solid centers to achieve desired golf ball characteristics.

Abstract: The present invention is directed towards a multilayer golf ball which comprises a core having a treated surface and a cover layer having a plurality of dimples, wherein the cover layer is disposed concentrically about the core and bonded to the core preferably without an adhesive. The multilayer golf balls may alternatively or additionally be formed such that at least one layer of the core has a treated surface and is bonded, preferably without an adhesive, to an adjacent layer. The golf balls may be prepared by forming a first portion of a golf ball, wherein the first portion has a surface, treating the surface of the first portion to increase the adhesion thereof, and bonding at least a portion of a second portion concentrically about the surface of the portion.

Abstract: A golf ball comprising an inner core formed of a first material and comprising i) a central portion; and ii) a plurality of spaced projections extending radially outward from the central portion forming gaps between each projection, and each projection having an enlarged free end and a substantially conical shape; an outer core formed of a second material, said second material being disposed within the gaps and the recesses to form a core; and a cover layer; wherein at least one of the first and second materials comprises a polymer containing an acid group neutralized by an organic acid or a salt thereof, the organic acid or salt thereof being present in an amount sufficient to neutralize the polymer by at least about 100%.

Abstract: A high CoR golf ball having predetermined moment of inertia is provided. A portion of the golf ball preferably contains substantially no filler, which contributes to the increased resilience of the ball. In accordance to one aspect of the invention, the portion with substantially no filler is an outer core of the ball. The innermost core should have a high specific gravity. Additionally, the outermost layers of the ball may have a low specific gravity. Preferably, the portion with substantially no filler is relatively larger than other portions of the ball.

Abstract: The present invention is directed to improved multi-layer golf ball compositions and the resulting regulation balls produced using these compositions. In this regard, a lighter core is produced and metal particles, or other heavy weight filler materials, are included in the cover compositions. This results in a molded golf ball exhibiting enhanced interior perimeter weighting. Preferably, the particles are included in an inner cover layer (or mantle) of a solid, three-piece multi-layered golf ball. The weight of the core is reduced in order to produce an overall golf ball which meets, or is less than, the 1.62 ounce maximum weight limitation specified by the United States Golf Association. It has been found that the combination of the present invention produces a golf ball with an increased moment of inertia and/or a greater radius of gyration and thus generates lower spin.

Abstract: The present invention is directed towards an improved golf ball that includes a high-specific gravity central sphere encapsulated in a soft and resilient shell layer. The soft-resilient shell may be formed of polybutadiene rubber. This shell is subsequently wound with thread a wound core, which is then covered. The sphere can be formed of a solid metal or molded of high-specific gravity powder retained in a binding material.

Abstract: The present invention provides a thread wound golf ball having long flight distance, while maintaining the characteristics peculiar to the conventional thread wound golf ball, i.e. good shot feel and excellent spin performance.

Abstract: A multi-layer golf ball can be prepared, possessing the performance characteristics of both a solid ball and a wound ball, by selecting the content and thickness of one or more of the layers, wherein the multi-layer golf ball comprises a center, an intermediate layer, a wound layer of tensioned material, and a cover, such that any one or more of the following are satisfied: (a) at least a portion of the intermediate layer includes a thermoset material; (b) the winding includes fiber, glass, carbon, polyether urea, polyether block copolymers, polyester urea, polyester block copolymers, isotactic-poly(propylene), polyethylene, polyamide, poly(oxymethyiene), polyketone, poly(ethylene terephthalate), poly(p-phenylene terephthalamide), poly(acrylonitrile), diaminodicyclohexyhnethane, dodecanedicarboxylic acid, or copolymers or combinations thereof; (c) the thickness of the wound layer is less than about I mm; and (d) at least a portion of the cover includes a thermoset material.

Abstract: The present invention relates to a multi-piece solid golf ball comprising a core consisting of an inner core and an outer core formed on the inner core, and one or more layers of cover covering the core, wherein the inner core has a diameter of 34.0 to 37.4 mm and a JIS-C center hardness of 65 to 75, the outer core has a thickness of 0.8 to 2.0 mm and a JIS-C surface hardness of 75 to 85, and the cover has a shore D hardness of 45 to 70, and contains ionomer resin as a base resin.

Abstract: A golf ball with a precise spin rate is disclosed. The distribution of weight among the layers within the golf ball relative to a centroid radius is realized to precisely control the moment of inertia of the ball. In accordance to one aspect of the present invention, the innermost core of the ball is made from a specific gravity reduced material, and a thin dense layer is accurately located either inside or outside of the centroid radius to create a high spin ball or a low spin ball, respectively, with a high compression and soft feel.

Abstract: The present invention is directed towards an improved golf ball that includes a high-specific gravity central sphere encapsulated in a soft and resilient shell layer. The soft-resilient shell may be formed of polybutadiene rubber. This shell is subsequently wound with thread a wound core, which is then covered. The sphere can be formed of a solid metal or molded of high-specific gravity powder retained in a binding material.

Abstract: This invention is directed to golf balls including one or more foamed, microcellular materials. The invention also encompasses methods of controlling or adjusting one or more material properties or the weight distribution of a golf ball, and methods of forming golf balls including such microcellular materials.

Abstract: A multi-layer golf ball can be prepared, possessing the performance characteristics of both a solid ball and a wound ball, by selecting the content and thickness of one or more of the layers, wherein the multi-layer golf ball comprises a center, an intermediate layer, a wound layer of tensioned material, and a cover, such that any one or more of the following are satisfied: (a) at least a portion of the intermediate layer includes a thermoset material; (b) the winding includes fiber, glass, carbon, polyether urea, polyether block copolymers, polyester urea, polyester block copolymers, isotactic-poly(propylene), polyethylene, polyamide, poly(oxymethylene), polyketone, poly(ethylene terephthalate), poly(p-phenylene terephthalamide), poly(acrylonitrile), diaminodicyclohexylmethane, dodecanedicarboxylic acid, or copolymers or combinations thereof; (c) the thickness of the wound layer is less than about 1 mm; and (d) at least a portion of the cover includes a thermoset material.

Abstract: The present invention is directed to a golf ball comprising a dual core, a triple core, a cellular core, a liquid core, or a wound core; an inner cover layer and an outer cover layer; and at least 50 parts by weight of a non-ionomeric polyolefin material disposed in an inner layer within the ball. The dual or triple cores comprise an interior spherical center component formed from a thermoset material, a thermoplastic material, or combinations thereof; a core layer disposed about the center component, formed from a thermoset material, a thermoplastic material, or combinations thereof; and an optional outer core layer that surrounds the core component. The inner cover layer is comprised of a high acid ionomer or ionomer blend. The outer cover layer is comprised of a soft, very low modulus ionomer or ionomer blend, or a non-ionomeric thermoplastic elastomer such as polyurethane, polyester or polyesteramide.

Abstract: A golf ball core incorporates a cobalt-catalyzed polybutadiene rubber falling within particular specifications for various material values. The material allows for manufacture of a core having a desirable coefficient of restitution and compression properties, while also exhibiting ease of processing. The core also can incorporate a high-cis content, high viscosity polybutadiene rubber to further enhance its coefficient of restitution and compression properties, while maintaining good ease of processing.

Abstract: The present invention provides a thread wound golf ball having long flight distance, and having large spin amount and good controllability at approach shot when hitting by a short iron club and the like, while maintaining soft and good shot feel at the time of hitting as good as the conventional liquid center type thread wound golf balls. The present invention related to a thread wound golf ball comprising (a) a solid center composed of an inner center formed from a vulcanized molded rubber composition containing an oily substance, and a center outer layer formed from an oil-resistant substance and coated around the inner center so as to prevent the oily substance of the inner center from bleeding, (b) a thread rubber layer formed on the solid center, and (c) a cover covering the thread rubber layer, wherein the inner center has a diameter of 24 to 33 mm, a JIS-A hardness of not more than 50 and a deformation amount of not less than 2.

Abstract: This invention is directed to golf balls including one or more foamed, microcellular materials. The invention also encompasses methods of controlling or adjusting one or more material properties or the weight distribution of a golf ball, and methods of forming golf balls including such microcellular materials.

Abstract: The present invention describes a golf ball with a center, at least one wound layer, optionally, at least one intermediate layer, and at least one cover layer. The center is at least about 1 inch in diameter and includes polybutadiene, natural rubber, polyisoprene, styrene-butadiene, or styrene-propylene-diene rubber. The at least one wound layer includes one or more of polyether urea, polyester urea, polyester block copolymers, polyethylene, polyamide, polyketon, poly (p-phenylene terephthalamide), or polyisoprene. The at least one intermediate layer includes polybutadiene, natural rubber, polyisoprene, styrene-butadiene, or styrene-propylene-diene rubber. The at least one cover layer includes a thermoplastic resin or a thermoset material. This unique construction gives the ball characteristics both of a wound and a solid construction.

Abstract: A thread-wound golf ball is provided including a core, a rubber thread layer surrounding the core, and a cover formed of a mixture of ionomer resin, thermoplastic elastomer and a tackifier, having a Shore D hardness of at least 40 and not more than 65.

Abstract: A wound-core golf ball having a polyurethane cover is disclosed. The polyurethane cover is formed by curing a composition comprising a tolylene diisocyanate polyurethane prepolymer and dimethylthiotoluene diamine, and exhibits superior cut resistance. The wound-core golf ball of the invention further comprises a double-layered center having a diameter of 25 to 35 mm and a rubber thread layer covering the center. The center comprises an inner core layer having a diameter of 24 to 33 mm and a JIS-A hardness of 5 to 50, and an outer core layer covering the inner core layer and having a Shore D hardness of 10 and to 60. The wound-core golf ball thus constructed imparts a good shot feeling to the golfer and offers an increased flight distance.

Abstract: In a solid golf ball comprising a solid core and a cover, the solid core has a multilayer construction which includes a center core and an outer core that encloses the center core. The center core is composed primarily of a resin and has a diameter of 3-20 mm and a specific gravity of 0.90-1.50. The center core has a surface Shore D hardness of 40-95 which is at least 10 units greater than the Shore D hardness of an innermost layer of the outer core. The ball has an excellent click and feel.

Abstract: A three-piece thread wound golf ball including a central solid core portion having increased diameter of 1.35-1.50 inch (34.3-38.1 mm) and specific gravity of 1.20-1.25, a thread-wound intermediate portion, having diameter of 1.54-1.60 inches, and an outer dimpled cover portion which construction provides desirable increased moment of inertia and spin characteristics for the ball. The resulting golf ball characteristics are such that when hit with a Driver, other woods or the longer iron club it performs like a distance two-piece golf ball, when hit with mid-iron clubs it performs like a two-piece Hi-spin golf ball and soft covered multi layered balls, and when it is struck with short iron clubs it performs much like a Balata wound golf ball.

Abstract: The present invention is directed to an improved golf ball and a method of winding that includes measuring and controlling thread stress directly, rather than maintaining and controlling the level of tension on the threads. The golf ball includes a center, a wound layer that surrounds the center to form a wound core, and a cover that surrounds the wound core. The wound layer is formed of at least one thread, and the wound layer includes a plurality of radially extending sections, each section has a thread stress. The stress within each section is substantially constant, but at least two radially extending sections have different stresses. The method for winding thread onto a golf ball center to form a wound core comprises the steps of measuring a stress within a portion of the thread; winding the thread about the golf ball center while applying a force on the thread to form a plurality of portions with predetermined thicknesses and varying the stress between the portions.

Abstract: In a golf ball comprising a solid core, an intermediate layer, and a cover, the solid core or the cover is provided with a plurality of protrusions penetrating into the intermediate layer. Provided the protrusions are spaced apart a distance X (mm) and have a length L (mm), those protrusions satisfying L≦X≦5L account for at least 60% of the entire protrusions. The protrusions penetrating into the intermediate layer optimizes the buckling phenomenon whereby the ball is improved in flight performance, control and feel.

Abstract: A golf ball and a method of making a golf ball that includes a center formed from a material including polybutadiene and having a high resilience, at least one cover layer formed of a material including polyurethane, and at least one wound layer of a tensioned material windings between the center and the cover. The polyurethane composition is formed from the reaction product of at least a prepolymer of a polyisocyanate and a polyol, and a diamine curing agent. The polybutadiene composition includes a butadiene polymer with a resilience index greater than about 40 and a weight average molecular weight greater than about 200,000. Such golf balls can have a coefficient of restitution that is optimized for low swing speed players. The wound layer of the present invention may be applied to golf balls having liquid or solid centers to achieve desired golf ball characteristics.

Abstract: The present invention is directed towards a golf ball which comprises a core; at least one cover layer; at least one mantle layer disposed between the core and the cover; and at least one transition layer disposed between two of the other layers of the golf ball comprised of discrete portions of at least one of the adjacent layers. The transition layer may be formed by projections extending from one layer and cavities on the opposing layer for interlocking with the projections. The thickness of a first layer is X and the thickness of a second layer is Y and the thickness of the transition layer is Z. The Flexural Modulus of the first layer is Ex and the second layer is Ey. In the golf ball according to the present invention, Z is determined by the following formula: X + Y 4 ≤ Z ≤ 1.

Abstract: The present invention relates to a golf ball comprising a core layer, at least one intermediate layer, and a cover layer, wherein the core layer or the at least one intermediate layer are formed from compositions comprising a polyamide, in the form of a homopolymer, a copolymer, or mixtures thereof. The compositions comprise about 1 to about 99 weight percent of at least one nonionomer polymer and about 99 to about 1 weight percent of at least one polyamide polymer. The polyamides of the present invention comprise polyamides and polyamide copolymers, such as nylons, nylon copolymers, and nylon block copolymers. The nonionomer polymer comprises a nonionomer thermoplastic elastomer or a nonionomer thermoplastic.

Abstract: A golf ball is described that includes a spherical core, an inner cover or mantle layer, and an outer cover layer. A wide array of ionomeric materials are noted for use in the various cover layers. The mantle and the outer cover layers exhibit different Shore D hardness values and at least one of the layers includes a heavy weight filler material to enhance the interior perimeter weight of the ball. In several particular versions of the golf balls, the filler material is present in an amount of at least 10% by weight based upon the weight of the layer or layers within which the filler material is incorporated.

Abstract: A superelastic strand used for windings in a golf ball or as strings for a racquet of the type used for racquet sports. The strand is made with at least one fiber of a superelastic material which may be wound into a cable incorporating other fibers of polymeric or superelastic materials. The superelastic material used in the strand can be a nickel-titanium alloy which is heat treated to provide superelastic qualities.

Abstract: The present invention provides a thread wound golf ball having long flight distance, and high spin amount and excellent controllability when hitting by a short iron club, while keeping the characteristics inherent to the conventional thread wound golf ball, i.e. good shot feel. The present invention related to a thread wound golf ball comprising (a) a solid center composed of an inner center and a center outer layer formed on the inner center, (b) a thread rubber layer formed on the solid center, and (c) a cover covering the thread rubber layer, wherein the inner center has a diameter of 29 to 35 mm and a center hardness in JIS-C hardness of 30 to 70, the center outer layer has a JIS-C hardness of 70 to 90, the solid center has a diameter of 30 to 38 mm, and the cover is formed from thermoplastic resin having a Shore D hardness of 40 to 60.

Abstract: A golf ball comprising a core, an intermediate layer, and a cover, wherein the intermediate layer is provided in its outer surface with recesses and the cover penetrates into the recesses to form protrusions, is prepared using an injection mold defining a cover-forming cavity in which a plurality of support pins are arranged for axial motion toward and away from the cavity and have distal ends with a greater diameter than the diameter of recess openings. While a spherical core body having the core enclosed within the intermediate layer is supported at the center of the mold cavity by the support pins, a cover stock is injected into the mold cavity. The support pins are withdrawn immediately before the mold cavity is filled with the cover stock.

Abstract: This invention relates to methods of using cationic ionomers in the composition of inner layers of golf balls. Further, this invention relates to golf balls comprising one or more inner layers and which incorporate polyurethane or polyurea ionomers. The golf ball with inner layers comprising cationic ionomers has improved ball feel and initial velocity through the addition of an alkylating agent such as t-butyl chloride to introduce ionic interactions in the polyurethane or polyurea and thereby produce cationic type ionomers.

Abstract: In a golf ball comprising a core, an intermediate layer, and a cover, the core is formed primarily of polybutadiene rubber, the intermediate layer is formed primarily of a resin having an Izod impact strength of at least 50 J/m and provided on its outer surface with a plurality of recesses, and the cover is provided on its inner surface with a plurality of protrusions. The resin of which the cover is made has a higher Shore D hardness and a lower melting point than the intermediate layer-forming resin. Due to the embedment of the protrusions in the recesses, the golf ball has improved performance.

Abstract: A solid golf ball has a solid core and a cover formed of a resin composition comprising the reaction product of a thermoplastic polyurethane elastomer with an isocyanate compound. The ball is efficiently moldable and meets such requirements as a pleasant feel, ease of control, high resilience, and minimized scuffs by iron shots.

Abstract: The present invention is directed towards a wound golf ball that includes a wound core surrounded with a cover material. The wound core is formed of a fluid-filled or solid center, and at least one wound layer segment surrounding the center. The wound layer segment includes a first untreated portion, a first impregnated portion, a second untreated portion and a second impregnated portion. The first impregnated portion is impregnated with a first material, such as latex. In one embodiment, the wound layer segment is formed of two layers, each having an untreated and an impregnated portion. Thus, the multi-layered wound layer segment has an impregnated portion between two untreated portions.