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| Number | Title | Issue Date |
| 7407450 | Method of making a golf ball with a multi-layer core 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... | 08/05/2008 |
| 7357733 | Golf ball with vapor barrier layer and method of making same 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. ... | 04/15/2008 |
| 7326129 | Multi-piece golf ball and manufacturing method thereof A multi-piece golf ball has a core 3, an interlayer 5, and a cover 7, the core 3 having a spherical main part 9 and a plurality of ribs 11 provided on the surface of the main part 9, the interlayer 5 being inse... | 02/05/2008 |
| 7314587 | Method of forming a multilayer golf ball with a thin thermoset outer layer The present invention is directed towards a method of forming a multilayer golf ball which comprises a core, an inner cover layer and an outer cover layer. The steps include forming a golf ball core; forming an inner cover layer around golf ball core with a material... | 01/01/2008 |
| 7270610 | Rubber compositions comprising high levels of oily substance and the use thereof in golf balls The present invention is directed to golf balls having at least one layer formed from a rubber composition comprising a base rubber and from 5 to 100 parts of an oily substance, by weight per 100 parts of the base rubber. The rubber composition may be present in any... | 09/18/2007 |
| 7201670 | Golf ball and mold for manufacturing core thereof A golf ball comprising a core (1), intermediate layer (3), and cover (5), wherein the intermediate layer (3) is provided with a plurality of apertures through which the core (1) is exposed, wherein the outer surface of the intermed... | 04/10/2007 |
| 7192367 | Multi-piece golf ball, manufacturing method thereof and mold for manufacturing the same The present invention provides a multi-piece golf ball comprising a core 3, a first intermediate layer 5, a second intermediate layer 7, and a cover 9, wherein the first intermediate layer 5 comprises a plurality of ribs 51 ... | 03/20/2007 |
| 7192368 | Golf ball covers and mantles comprising glass particles Disclosed herein is a golf ball with a mantle or cover layer formed from a composition comprising glass particles. More specifically, the golf ball has a mantle and/or cover that contains a combination of glass particles and an ionomeric component or a non-ionomeric... | 03/20/2007 |
| 7182702 | Golf ball with vapor barrier layer and method of making same A golf ball with at least one moisture vapor barrier layer is disclosed. In accordance to one aspect of the invention, the moisture vapor barrier layer may comprise butyl rubber. The butyl rubber may also be a halogenated butyl rubber such as bromobutyl rubber or ch... | 02/27/2007 |
| 7066838 | Multi-piece solid golf ball The present invention provides a multi-piece solid golf ball, of which durability is excellent and flight distance is improved by accomplishing high launch angle and low spin amount, when hit by golfers, who swing a golf club at low head speed, using a middle iron c... | 06/27/2006 |
| 7052414 | Multi-piece solid golf ball 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 o... | 05/30/2006 |
| 7029405 | Multi-layer, wound golf ball 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 laye... | 04/18/2006 |
| 7022034 | Golf ball having a non-uniform thickness layer A golf ball having a high rotational moment of inertial core assembly is disclosed. The core assembly may comprise a low specific gravity core and non-uniform thickness, high specific gravity intermediate layer. This sub-assembly is preferably encased within a soft ... | 04/04/2006 |
| 7018306 | Multi-layer, wound golf ball 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 laye... | 03/28/2006 |
| 7004854 | Golf ball with vapor barrier layer and method of making same 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 c... | 02/28/2006 |
| 6967229 | Carbon-carbon initiators for use in golf balls A golf ball comprising a core and a cover, wherein at least the core or the cover comprises an elastomeric composition comprising a base polymer and a carbon-carbon initiator. ... | 11/22/2005 |
| 6964621 | Water resistant polyurea elastomers for golf equipment Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated and/or water resistant, formed of a polyurea prepolymer and a curing agent, wherein the polyurea prepolymer includes an isocyanate and an amine-termina... | 11/15/2005 |
| 6939924 | Golf ball incorporating urethane composition Golf ball covers and intermediate layers incorporate the reaction product of a thermoplastic urethane and a modified isocyanate to form a crosslinked polyurethane. The layers exhibit the ease of processing of a thermoplastic urethane, with the superior mechanical pr... | 09/06/2005 |
| 6932720 | Golf ball with vapor barrier layer and method of making same A golf ball with at least one moisture vapor barrier layer is disclosed. The moisture vapor barrier layer comprises an elastomer, and has a moisture vapor transmission rate of less than about 0.6 grams·mm/m2·day. ... | 08/23/2005 |
| 6924337 | Golf balls incorporating urethane compositions and methods for making them A golf ball that includes a core and a cover layer. The cover layer encases the core, and includes a composition of a thermoplastic urethane, formed as a reaction product of a diol or a polyol with an isocyanate and a peroxide. ... | 08/02/2005 |
| 6924347 | Dendritic macromolecule compositions for use in golf balls A golf ball including a core, a cover, and, optionally, an intermediate layer disposed between the core and the cover, wherein at least one of the core, cover layer, or optional intermediate layer includes at least one dendritic macromolecule. ... | 08/02/2005 |
| 6695717 | All rubber golf ball with hoop-stress layer 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 b... | 02/24/2004 |
| 6685579 | Multi-layer cover polyurethane golf ball 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 abo... | 02/03/2004 |
| 6646061 | Golf ball forming compositions comprising polyamide 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 h... | 11/11/2003 |
| 6645089 | Golf ball 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 d... | 11/11/2003 |
| 6620058 | Wound golf ball with high resilience for low swing speed players 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 ha... | 09/16/2003 |
| 6609982 | Treatment for facilitating bonding between golf ball layers and resultant golf balls 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 pref... | 08/26/2003 |
| 6599203 | Golf ball 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, ... | 07/29/2003 |
| 6544131 | Multi-piece solid golf ball having good shot feel 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... | 04/08/2003 |
| 6533682 | Golf ball 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 presen... | 03/18/2003 |
| 6500076 | Wound golf balls with high specific gravity centers 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 subsequent... | 12/31/2002 |
| 6458046 | Multi-layer, wound golf ball 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 interm... | 10/01/2002 |
| 6432000 | Multilayer golf ball with filled inner layer having dual core, liquid core, or wound core 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 ... | 08/13/2002 |
| 6426387 | Golf ball core 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 propert... | 07/30/2002 |
| 6386992 | Golf ball compositions including microcellular materials and methods for making same 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 fo... | 05/14/2002 |
| 6371869 | Golf ball with core and surrounding cover 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.... | 04/16/2002 |
| 6350210 | Three-piece wound golf ball 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 oute... | 02/26/2002 |
| 6293877 | Golf ball 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 go... | 09/25/2001 |
| 6294617 | Golf ball forming compositions comprising polyamide 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 h... | 09/25/2001 |
| 6270427 | Golf ball with nickel-titanium wound core 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 pol... | 08/07/2001 |
