Class / Patent application number | Description | Number of patent applications / Date published |
473375000 | Hollow core | 13 |
20100056301 | GOLF BALL - A golf ball | 03-04-2010 |
20100160087 | GOLF BALL - A golf ball | 06-24-2010 |
20140194222 | GOLF BALL HAVING A HOLLOW CENTER - A golf ball including a spherical inner core shell layer formed from a thermoset rubber composition, the shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoplastic outer core layer is formed about the shell layer. An optional inner cover layer is formed about the outer core layer, the inner cover including an ionomeric material. An outer cover layer is formed over the core or option inner cover layer, the outer cover including a polyurea or a polyurethane and having a second hardness less than the optional inner cover layer. The hollow center has a diameter of about 0.15 to 1.1 inches. The shell layer has a surface hardness greater than its inner surface hardness by about 3 to 25 Shore C to define a hardness gradient, and the thermoplastic outer core layer has a second hardness gradient. | 07-10-2014 |
20140194223 | GOLF BALL HAVING A HOLLOW CENTER - A hollow golf ball includes a spherical inner core shell layer formed from a first thermoplastic composition, the shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center. An outer core layer is formed about the shell layer and includes a thermoset rubber composition. An inner cover layer is formed about the outer core layer and includes an ionomeric material. An outer cover layer is formed about the inner cover layer. The outer cover includes a polyurea or a polyurethane and has a hardness less than the inner cover layer. The hollow center has a diameter of about 0.15 to 1.1 inches, the shell layer has a surface hardness greater than an inner surface hardness by about 0 to 5 Shore C to define a first hardness gradient, and the thermoset outer core layer has a second hardness gradient. | 07-10-2014 |
20140194224 | GOLF BALL HAVING A HOLLOW CENTER - A golf ball includes a spherical inner core shell layer formed from a thermoplastic composition. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoplastic outer core layer is formed around the shell layer. An ionomeric inner cover layer and a urethane or urea outer cover layer are formed over the hollow core. The outer cover has a hardness less than the inner cover. The hollow center has a diameter of about 0.15 to 1.1 inches, the shell layer has a surface hardness greater than an inner surface hardness by about 0 to 5 Shore C to define a hardness gradient, and the thermoplastic outer core layer also has a hardness gradient. | 07-10-2014 |
20140194225 | GOLF BALL HAVING A HOLLOW CENTER - A golf ball includes a thermoset spherical inner core shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center; a thermoset outer core layer formed about the shell layer; and an inner and outer cover layer formed about the outer core layer. The inner cover includes an ionomeric material and the outer cover layer includes a polyurea or a polyurethane having a hardness less than the inner cover layer. The hollow center has a diameter of about 0.51 to 1.1 inches, the shell layer has a surface hardness greater than an inner surface hardness by about 3 to 25 Shore C to define a first hardness gradient, and the outer core layer has a second hardness gradient different from the first. | 07-10-2014 |
20140194226 | HOLLOW CORE GOLF BALL HAVING A HARDNESS GRADIENT - A golf ball including a hollow core formed from a spherical inner core shell layer including a stiff thermoplastic composition. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center. Ann outer core layer is disposed about the shell layer and includes a thermoset material. An inner cover layer is disposed about the outer core layer and includes an ionomeric material having a first hardness. An outer cover layer is disposed about the inner cover layer and includes a polyurethane having a second hardness different from the first. The hollow center has a diameter of 0.15 to 1.1 inches, the thermoplastic inner core shell layer has a hardness of 85 Shore C or greater, and the stiff thermoplastic composition has a melt volume flow rate of about 5.0 cm | 07-10-2014 |
20140194227 | GOLF BALL HAVING A HOLLOW CENTER - Golf balls including a spherical inner core shell layer formed from a thermoset or thermoplastic composition are provided. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoset or thermoplastic outer core layer is formed about the shell layer and optional intermediate layer(s) disposed between the shell layer and the outer core layer. A cover is formed about the outer core layer. | 07-10-2014 |
20140357421 | THERMOPLASTIC MULTI-LAYER GOLF BALL - A thermoplastic multi-layer golf ball has a core center having a shell from about 1-6 mm thick defining an interior space about 12-24 mm in diameter, a core layer at least about 5 mm thick outward from the core center, and a cover. The shell includes a first thermoplastic material with first flexural modulus less than about 15,000 psi. The core layer includes a second thermoplastic material with second flexural modulus up to about 15,000 psi and greater than the first flexural modulus and a specific gravity of at least about 1.5 g/cm | 12-04-2014 |
20140364252 | GOLF BALL HAVING A HOLLOW CENTER - Golf balls including a spherical inner core shell layer formed from a thermoset or thermoplastic composition are provided. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoset or thermoplastic outer core layer is formed about the shell layer and optional intermediate layer(s) disposed between the shell layer and the outer core layer. A cover is formed about the outer core layer. | 12-11-2014 |
20160082320 | GOLF BALL INCORPORATING AN INNERMOST ASPHERICAL HOLLOW PORTION - Golf ball comprising a core and a cover, the core comprising: an innermost aspherical hollow portion having volume V | 03-24-2016 |
20160096078 | GOLF BALL INCORPORATING AN INNERMOST HOLLOW PORTION - Golf ball incorporating a hollow innermost portion that is spherical or aspherical, and a shell layer that is at least partially non-continuous, having a plurality of hollow spaces therein that extend from the inner surface to an outer surface of the shell layer and are symmetrically spaced within the shell layer, wherein the non-continuous shell layer has a first hardness gradient from shell layer inner surface to outer surface of up to about 7 Shore C. An outer core layer has a second hardness gradient and is formed about the outer surface and within the plurality of hollow spaces. The outer core layer has a second inner surface having a second inner surface hardness that differs from the inner surface hardness. Thus, the second inner surface hardness and inner surface hardness may alternate symmetrically and circumferentially about the innermost hollow portion. | 04-07-2016 |
20160101324 | GOLF BALL INCORPORATING AN INNERMOST HOLLOW PORTION - Golf ball incorporating: spherical or aspherical innermost hollow portion; shell layer, one or more outer core layers, and at least one cover layer. Shell layer has outer surface hardness greater than inner surface hardness by up to about 7 Shore C to define first hardness gradient. Outer core layer has a second hardness gradient. A shell layer surrounding a spherical hollow portion may have an inner surface with a non-uniform contour defining a phantom spherical circumference of the innermost spherical hollow portion at symmetrically spaced locations about the golf ball's geometric center. In golf balls including a spherical or aspherical innermost hollow portions, the outer surface can have non-uniform contour bordering and defining a contour of a second inner surface of outer core layer. The outer surface hardness and a second inner surface hardness of second inner surface differ and alternate symmetrically and circumferentially about the shell layer inner surface. | 04-14-2016 |