---

Применить Всего найдено 314. Отображено 139.

23-05-2013 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20130130837A1

Автор: Boehm Herbert C., Ladd Derek A., Morgan William E., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls consisting of a dual core and a dual cover are disclosed. The surface hardness of the outer core layer is greater than the material hardness of the inner cover layer, and is preferably 75 Shore C or greater. 1. A golf ball consisting essentially of:a center formed from a first rubber composition and having a diameter of from 0.75 inches to 1.19 inches, a center hardness of from 60 Shore C to 70 Shore C, a surface hardness of from 75 Shore C to 85 Shore C, and a compression of from 20 to 40;an outer core layer formed from a second rubber composition and having a surface hardness of 80 Shore C or greater;an inner cover layer formed from a thermoplastic composition and having a material hardness of less than 95 Shore C; andan outer cover layer formed from a thermosetting polyurethane or polyurea composition;wherein the surface hardness of the center is at least 10 Shore C units greater than the center hardness;wherein the surface hardness of the outer core layer is at least 20 Shore C units greater than the center hardness; andwherein the surface hardness of the outer core layer is greater than the material hardness of the inner cover layer.2. The golf ball of claim 1 , wherein the diameter of the center is from 0.85 inches to 1.15 inches.3. The golf ball of claim 1 , wherein the diameter of the center is from 0.875 inches to 1.125 inches.4. The golf ball of claim 1 , wherein the surface hardness of the outer core layer is greater than the material hardness of the outer cover layer.5. The golf ball of claim 1 , wherein the material hardness of the inner cover layer is from 80 Shore C to 95 Shore C.6. The golf ball of claim 1 , wherein the material hardness of the inner cover layer is from 84 Shore C to 92 Shore C.7. The golf ball of claim 1 , wherein the surface hardness of the outer core layer is at least 25 Shore C units greater than the center hardness. This application is a continuation of U.S. patent application Ser. No. 12/048,021, filed Mar. 13, 2008, ...

Подробнее

Номер записи: 69

30-05-2013 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20130137536A1

Автор: Boehm Herbert C., Ladd Derek A., Morgan William E., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls consisting of a dual core and a dual cover are disclosed. The dual core consists of an inner core layer formed from a rubber composition and an outer core layer formed from a highly neutralized polymer composition. 1. A golf ball consisting essentially of:an inner core layer formed from a rubber composition and having a center hardness of 60 Shore C or greater and an outer surface hardness of 80 Shore C or greater;an outer core layer having a diameter of from 1.40 inches to 1.59 inches and formed from a highly neutralized polymer composition having a specific gravity of from 0.95 g/cc to 0.99 g/cc and a material hardness of 35 Shore D or greater;an inner cover layer formed from a thermoplastic composition and having a material hardness of 95 Shore C or less; andan outer cover layer formed from a composition selected from the group consisting of polyurethanes, polyureas, and copolymers and blends thereof.2. The golf ball of claim 1 , wherein the outer core layer composition has a modulus within the range of 25 claim 1 ,000 psi to 75 claim 1 ,000 psi.3. The golf ball of claim 1 , wherein the outer core layer composition has a moisture vapor transmission rate of 8 g-mil/100in/day or less.4. The golf ball of claim 1 , wherein the center hardness of the inner core layer is from 60 Shore C to 80 Shore C.5. The golf ball of claim 1 , wherein the outer surface hardness of the inner core layer is from 80 Shore C to 90 Shore C.6. The golf ball of claim 1 , wherein the material hardness of the outer core layer composition is 45 Shore D or greater.7. The golf ball of claim 1 , wherein the outer cover has a surface hardness of from 40 Shore D to 65 Shore D.8. The golf ball of claim 1 , wherein a sphere formed from the outer core layer composition has a compression of from 70 to 110.9. The golf ball of claim 1 , wherein the outer core layer has a diameter of from 1.51 inches to 1.56 inches.10. The golf ball of claim 1 , wherein the outer core layer has a diameter of ...

Подробнее

Номер записи: 70

06-06-2013 дата публикации

GOLF BALLS HAVING A LOW MODULUS HNP LAYER AND A HIGH MODULUS HNP LAYER

Номер: US20130143691A1

Автор: Hebert Edmund A., Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

The present invention is directed to golf balls consisting of a dual-layer core and a cover. The core consists of a center having a center hardness of 50 Shore C or greater and formed from a low modulus HNP composition, and an outer core layer having a surface hardness of 75 Shore C or greater and formed from a high modulus HNP composition. Low modulus HNP compositions of the present invention have a modulus of from 1,000 psi to 50,000 psi. High modulus HNP compositions of the present invention have a modulus of from 25,000 psi to 150,000 psi. The modulus of the highly neutralized copolymer of the low modulus HNP is at least 10% less than the modulus of the highly neutralized copolymer of the high modulus HNP composition. The cover consists of an inner cover layer formed from a thermoplastic composition and an outer cover layer formed from a polyurethane or polyurea composition. 1. A golf ball consisting essentially of:(a) a center having a diameter of from 0.50 inches to 1.30 inches, a center hardness of 50 Shore C or greater, and formed from a low modulus HNP composition, the low modulus HNP composition comprising a highly neutralized ethylene/(meth)acrylic acid/alkyl (meth)acrylate copolymer having a modulus of from 1,000 psi to 50,000 psi, wherein at least 80% of the acid groups of the acid copolymer are neutralized;(b) an outer core layer having a surface hardness of 75 Shore C or greater and formed from a high modulus HNP composition, the high modulus HNP composition comprising a highly neutralized ethylene/(meth)acrylic acid copolymer having a modulus of from 25,000 psi to 150,000 psi, wherein 40% to 100% of the acid groups present in the high modulus HNP composition are neutralized;(c) an inner cover layer formed from a thermoplastic composition and having a material hardness less than the surface hardness of the outer core layer; and(d) an outer cover layer formed from a polyurethane or polyurea composition;wherein the modulus of the highly neutralized ...

Подробнее

Номер записи: 71

03-10-2013 дата публикации

Golf ball comprising a core layer having a hardness gradient and trans gradient

Номер: US20130260918A1

Автор: Brian Comeau, David A. Bulpett, Derek A. Ladd, Michael J. Sullivan

Принадлежит: Acushnet Co

A golf ball includes a ‘dual core’ formed from an inner core layer and an outer core layer. The inner core has an outer surface and a center and is typically formed from a substantially-homogenous rubber composition such that the center of the core has a hardness of about 72 Shore C to about 78 Shore C and a trans content of about 5% to 9%, and the outer surface of the inner core has a trans content of about 5% to 9%. The trans content of the outer surface and the center of the inner core are preferably within 2% of each other and, more preferably are substantially the same to define a zero trans gradient along a radius of the inner core.

Подробнее

Номер записи: 72

14-11-2013 дата публикации

GOLF BALL HAVING SPECIFIC SPIN, MOMENT OF INERTIA, LIFT, AND DRAG RELATIONSHIP

Номер: US20130303309A1

Автор: Bissonnette Laurent, Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит:

Golf ball with a novel combination of spin rate, lift coefficient, drag coefficients, and optionally moment of intertia: a golf ball with a low spin rate, a high lift coefficient, a low drag coefficient, and optionally a high moment of inertia; and a golf ball with a high spin rate, a low lift coefficient, a low drag coefficient, and optionally a low moment of inertia. 1. A golf ball consisting of a foamed core , an intermediate layer , and a cover , wherein the intermediate layer is cast from polyurethane or polyurea , and wherein the golf ball comprises a moment of inertia of about 0.46 oz/inor greater , the lift coefficient is greater than about 0.20 , the drag coefficient is less than about 0.22 at a Reynolds Number of about 145000 , and wherein the core has a compression of about 70 or less and the cover has a hardness of about 60 Shore D or greater.2. The golf ball of claim 2 , wherein the cover has a hardness of about 65 Shore D or greater.3. The golf ball of claim 2 , wherein the cover has a hardness of about 61 Shore D to about 67 Shore D.4. The golf ball of claim 1 , wherein the golf ball has a spin rate of about 3100 rpm or less at a launch angle of greater than about 10°.5. The golf ball of claim 1 , wherein the moment of inertia is about 0.49 oz/inor greater.6. A golf ball consisting of a foamed core claim 1 , an intermediate layer claim 1 , and a cover claim 1 , wherein the golf ball comprises a moment of inertia of about 0.48 oz/inor greater claim 1 , the lift coefficient is greater than about 0.20 claim 1 , and the drag coefficient is less than about 0.22 at a Reynolds Number of about 145000.7. The golf ball of claim 6 , wherein the core has a compression of about 90 or less.8. The golf ball of claim 7 , wherein the core has a compression of about 70 or less.9. The golf ball of claim 6 , wherein the cover has a hardness of about 60 Shore D or more.10. The golf ball of claim 9 , wherein the cover has a hardness of about 65 Shore D or more.11. The golf ...

Подробнее

Номер записи: 73

28-11-2013 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20130316852A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer. 1. A golf ball comprising:a center formed from a polybutadiene composition and having a compression of greater than 90 and a diameter of 1.500 inches or less, the polybutadiene composition comprising 35 phr or greater of a coagent selected from the group consisting of zinc salts of acrylates, diacrylates, methacrylates, dimethacrylates, and mixtures thereof;an outer cover layer formed from a polyurethane composition having a material hardness of greater than 60 Shore D;an intermediate layer disposed between the center and the outer cover layer, the intermediate layer having an outer surface hardness of less than 70 Shore C and being formed from a composition having a solid, single core compression of 40 or less;wherein the outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer.2. The golf ball of claim 1 , wherein the diameter of the center is from 1.000 inches to 1.350 inches.3. The golf ball of claim 1 , wherein the compression of the center is 100 or greater.4. The golf ball of claim 1 , wherein the compression of the center is 110 or greater.5. The golf ball of claim 1 , wherein the intermediate layer composition is a polybutadiene composition comprising from 0 to 20 phr of a coagent selected from the group consisting of metal salts of diacrylates claim 1 , dimethacrylates claim 1 , and monomethacrylates.6. The golf ball of claim 1 , wherein the intermediate layer composition is an ionomer composition.7. The golf ball of claim 6 , wherein the ionomer composition of the intermediate layer has a solid claim 6 , single core compression of 30 or less.8. The golf ball of claim 6 , wherein the ionomer composition of the intermediate layer has a solid ...

Подробнее

Номер записи: 74

26-12-2013 дата публикации

GOLF BALLS WITH OXYGEN AND MOISTURE BLOCKING PROTECTIVE PAINT LAYER

Номер: US20130344991A1

Автор: Hebert Edmund A., Ladd Derek A., Nardacci Nicholas M.

Принадлежит: ACUSHNET COMPANY

The present invention relates to compositions for golf equipment that can be applied as a thin paint layer to block oxygen and moisture from underlying structural layers. The compositions include a polymer component present in a resin system, a stabilizing component, and porous particles. 1. A golf ball comprising a core and a cover , wherein at least one paint layer is disposed about the core or cover , wherein the paint layer is formed from a composition comprising:a polymer component; anda paste comprising porous particles and a stabilizing component, wherein the porous particles have an average diameter between about 1 μm to about 5.0 mm and an average pore size from about 100 μm or less, wherein the stabilizing component comprises a symmetrical copolymer comprising two alkylene oxide blocks having the same chain length surrounding an alkylene oxide block, and wherein the paint layer has a thermal conductivity ranging from about 0.03 to about 0.3 Btu/hr ft ° F.2. The golf ball of claim 1 , wherein the stabilizing component comprises two ethylene oxide blocks of the same chain length surrounding a propylene oxide block.3. The golf ball of claim 2 , wherein the stabilizing component comprises EO—PO-EOwhere x claim 2 , y claim 2 , and z represent chain length claim 2 , and wherein x and z are equal.4. The golf ball of claim 1 , wherein the porous particles have an average diameter of about 5 μm to about 2500 μm.5. The golf ball of claim 4 , wherein the porous particles have an average diameter of about 100 μm to about 500 μm.6. The golf ball of claim 1 , wherein the thermal conductivity ranges from about 0.05 to about 0.2 Btu/hr ft ° F.7. The golf ball of claim 1 , wherein the polymer component comprises polyesters claim 1 , epoxies claim 1 , urethanes claim 1 , cellulosics claim 1 , alkyds claim 1 , acrylics claim 1 , and mixtures and precursors thereof.8. A golf ball comprising a core claim 1 , a cover claim 1 , and a paint layer disposed on the cover claim 1 , ...

Подробнее

Номер записи: 75

02-01-2014 дата публикации

GOLF BALLS HAVING CORES MADE OF POLYBUTADIENE RUBBER BLENDS

Номер: US20140004974A1

Автор: Bulpett David A., Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит:

Multi-piece golf balls having a core made of a composition comprising a polybutadiene rubber blend are provided. The blend includes a non-metallocene catalyzed polybutadiene rubber and a metallocene-catalyzed polybutadiene rubber. Catalysts such as neodymium, nickel, and cobalt based catalysts may be used to make the non-metallocene catalyzed rubber. Catalysts such as ferrocene, cobaltocene, nickelocene, titanocene dichloride, zirconocene dichloride, and samraocene based catalysts may be used to make the metallocene-catalyzed rubber. The golf ball may contain single layered core or multi-layered cores. The core is surrounded by a cover having at least one layer. The resulting ball has high resiliency and a soft compression feel. 1. A golf ball , comprising:a) an inner core comprising about 50 to about 95% by weight of a non-metallocene catalyzed polybutadiene rubber and about 5 to about 50% by weight metallocene-catalyzed polybutadiene rubber, wherein the center of the inner core and outer surface of the inner core layer each has a hardness and the outer surface hardness of the inner core is greater than the center hardness of the inner core, and wherein the non-metallocene catalyzed rubber has a first Mooney viscosity and the metallocene-catalyzed polybutadiene rubber has a second Mooney viscosity, the second Mooney viscosity being greater than the first Mooney viscosity; andb) a cover having at least one layer disposed about the core.2. The golf ball of claim 1 , wherein the non-metallocene catalyzed polybutadiene rubber is formed from a catalyst selected from the group consisting of neodymium claim 1 , nickel claim 1 , cobalt claim 1 , titanium claim 1 , aluminum claim 1 , boron claim 1 , and alkylithium based catalysts claim 1 , and combinations thereof.3. The golf ball of claim 1 , wherein the metallocene catalyzed polybutadiene rubber is formed from a catalyst selected from the group consisting of ferrocene claim 1 , cobaltocene claim 1 , nickelocene claim 1 , ...

Подробнее

Номер записи: 76

09-01-2014 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20140011609A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a relatively hard outer core surrounding a relatively soft, low compression inner core are provided. The inner core generally has a compression of less than 50 and the inner core and outer core generally have a combined dual core compression of 50 or greater. The outer core generally has a Shore C hardness of 80 or greater. A cover, which can be a single-, dual-, or multi-layer cover, is provided to surround the outer core. A moisture barrier layer is optionally provided between the outer core and the cover. The moisture vapor transmission rate of the moisture barrier layer is preferably less than the moisture vapor transmission rate of the cover. 1. A golf ball comprising:an inner core layer having a compression of 40 or less and a Shore C hardness of less than 80;an outer core layer having a Shore C hardness of 80 or greater and a specific gravity of 1.11 or greater; anda cover;wherein the hardness of the inner core layer is less than the hardness of the outer core layer and wherein the specific gravity of the outer core layer is greater than or equal to the specific gravity of the inner core layer.2. The golf ball of claim 1 , wherein the inner core layer has a Shore C hardness of less than 70.3. The golf ball of claim 1 , wherein the inner core layer has a Shore C hardness of less than 65.4. The golf ball of claim 1 , wherein the inner core layer has a Shore C hardness of less than 60.5. The golf ball of claim 1 , wherein the inner core layer and outer core layer have a combined dual core compression of greater than 50.6. The golf ball of claim 1 , wherein the inner core layer and outer core layer have a combined dual core compression of greater than 70.7. The golf ball of claim 1 , wherein the inner core layer and outer core layer have a combined dual core compression of from 80 to 100.8. The golf ball of claim 1 , wherein the inner core layer has a specific gravity of less than 1.13.9. The golf ball of claim 8 , wherein the outer ...

Подробнее

Номер записи: 77

16-01-2014 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20140018188A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball comprising: an inner core having a compression of less than about 60; at least one intermediate layer surrounding the inner core, having a hardness of at least about 55 Shore D, a specific gravity and a flexural modulus such that each of the hardness, specific gravity and flexural modulus of the intermediate layer is greater than a hardness, a specific gravity, and a flexural modulus of the inner core; and a cover surrounding the at least one intermediate layer, having a flexural modulus and a Shore D hardness that are greater than a flexural modulus and a hardness of the inner core. In one embodiment, a ratio of the flexural modulus of the cover in ksi to the Shore D hardness of the cover is less than 1 and/or least one of the inner core, intermediate layer and cover comprises a partially or fully neutralized ionomer. 1. A golf ball comprising:an inner core having a compression of less than about 60;at least one intermediate layer surrounding the inner core, having a hardness of at least about 55 Shore D, a specific gravity and a flexural modulus such that each of the hardness, specific gravity and flexural modulus of the intermediate layer is greater than a hardness, a specific gravity, and a flexural modulus of the inner core; anda cover surrounding the at least one intermediate layer, having a flexural modulus and a Shore D hardness that are greater than a flexural modulus and a hardness of the inner core.2. The golf ball of claim 1 , wherein a ratio of the flexural modulus of the cover in ksi to the Shore D hardness of the cover is less than 1.3. The golf ball of claim 1 , wherein at least one of the inner core and the intermediate layer comprises a partially or fully neutralized ionomer.4. The golf ball of claim 3 , wherein the partially or fully neutralized ionomer is a highly neutralized thermoplastic ionomer.5. The golf ball of claim 4 , wherein the inner core comprises the highly neutralized thermoplastic ionomer.6. The golf ball of claim 4 , ...

Подробнее

Номер записи: 78

13-02-2014 дата публикации

MULTI-LAYER CORE GOLF BALL HAVING OPPOSING HARDNESS GRADIENT WITH STEEP GRADIENT OUTER CORE LAYER

Номер: US20140045621A1

Автор: Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball comprising an inner core formed from a substantially homogenous composition such that the geometric center hardness is 56-80 Shore C and the outer surface hardness is 50-75 Shore C. An outer core layer has an outer surface having hardness of 85-98 Shore C and an inner surface hardness of 68-78 Shore C and being formed from a second homogenous rubber composition. A cover layer is disposed about the outer core layer. The hardness of the second outer surface is greater than the hardness of the inner surface to define a positive hardness gradient of +7 to +30 Shore C, and the hardness of the first outer surface is lower than the hardness of the geometric center to define a negative hardness gradient of −1 to −15 Shore C. 1. A golf ball comprising:an inner core having an outer diameter of about 0.500 inches to 1.550 inches, a first outer surface, and a geometric center, and being formed from a first substantially homogenous composition throughout such that the geometric center has a hardness of about 40 Shore C to about 80 Shore C and the first outer surface has a hardness of about 50 Shore C to about 75 Shore C;an outer core layer disposed about the inner core, the outer core layer having an outer diameter of about 1.30 inches to about 1.62 inches, a second outer surface having a hardness of about 85 Shore C to about 98 Shore C, and being formed from a second substantially homogenous rubber composition throughout; anda cover layer disposed about the outer core layer;wherein the geometric center and the first and second outer surfaces each have a hardness, the hardness of the second outer surface being greater than the hardness of the geometric center to define a positive hardness gradient of about 7 to 30 Shore C, and the hardness of the first outer surface being lower than the hardness of the geometric center to define a negative hardness gradient of about −1 to −5 Shore C or −6 to −15 Shore C.2. The golf ball of claim 1 , wherein the inner core has an ...

Подробнее

Номер записи: 79

13-03-2014 дата публикации

GOLF BALLS COMPRISING HIGHLY-NEUTRALIZED ACID POLYMERS

Номер: US20140073459A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls comprising a center, intermediate layer, and cover are disclosed. At least one layer of the ball is formed from a highly-neutralized acid copolymer composition. 1. A golf ball comprising: an E/X/Y-type copolymer, wherein E is ethylene, X is an α,β-unsaturated carboxylic acid, and Y is a softening comonomer present in an amount of from 0 wt % to 50 wt % of the polymer; and', 'a cation source;', 'wherein greater than 80% of all acid groups present in the first composition are neutralized;, 'a center formed from a first composition comprisinga cover; andan intermediate layer disposed between the center and the cover and formed from a second composition;wherein the center is a single piece comprising a central portion and a plurality of projections formed thereon.2. The golf ball of claim 1 , wherein the projections of the center are spaced from one another to define gaps there between.3. The golf ball of claim 1 , wherein the projections are shaped such that the center is substantially spherically symmetrical.4. The golf ball of claim 2 , wherein the intermediate layer includes a first section and a second section claim 2 , wherein the first section fills the gaps between the projections.5. The golf ball of claim 1 , wherein the intermediate layer has an outer diameter of from 1.00 inches to 1.64 inches.6. The golf ball of claim 4 , wherein the intermediate layer has a substantially spherical outer surface.7. The golf ball of claim 1 , wherein a sphere resulting from a combination of the center and the intermediate layer has a compression of 60 or greater.8. The golf ball of claim 1 , wherein the Shore D hardness of the first composition is less than the Shore D hardness of the second composition.9. The golf ball of claim 1 , wherein the difference between the elastic modulus of the first composition and the elastic modulus of the second composition is 10% or greater.10. The golf ball of claim 1 , wherein the difference between the Bashore ...

Подробнее

Номер записи: 80

20-03-2014 дата публикации

BLENDS OF LINEAR AND BRANCHED NEODYMIUM-CATALYZED RUBBER FORMULATIONS FOR USE IN GOLF BALLS

Номер: US20140080636A1

Автор: Bulpett David A., Corneau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

The invention relates to golf ball formulations formed from blends of linear and branched polybutadienes catalyzed with neodymium that have improved properties and processing characteristics. Golf ball components may be formed from the blends to provide high coefficient of restitution. 1. A golf ball comprising a core and a cover , wherein the core is formed from a blend comprising:a linear polybutadiene formed with a neodymium catalyst having a first Mooney viscosity of from about 30 to about 100; anda branched polybutadiene formed with a neodymium catalyst having a second Mooney viscosity of from about 20 to about 90, wherein the second Mooney viscosity is less than the first Mooney viscosity.2. The golf ball of claim 1 , wherein the linear polybutadiene has a higher Mooney Stress Relaxation than the branched polybutadiene.3. The golf ball of claim 1 , wherein the linear polybutadiene has a Mooney viscosity of from about 40 to about 80.4. The golf ball of claim 1 , wherein the branched polybutadiene has a Mooney viscosity of from about 30 to about 75.5. The golf ball of claim 1 , wherein the branched polybutadiene has a solution viscosity to Mooney Viscosity ratio of about 4 or less.6. The golf ball of claim 1 , wherein the linear polybutadiene has a solution viscosity to Mooney Viscosity ratio of greater than about 5.7. The golf ball of claim 1 , wherein the solution viscosity to Mooney Viscosity ratio of the linear polybutadiene is at least about 2 times greater than the solution viscosity to Mooney Viscosity ratio of the branched polybutadiene.8. The golf ball of claim 1 , wherein the linear polybutadiene has a first polydispersity and the branched polybutadiene has a second polydispersity greater than the first polydispersity.9. The golf ball of claim 1 , further comprising an intermediate layer disposed between the cover and the core.10. A golf ball comprising a core and a cover wherein a portion of the golf ball is formed from a blend comprising:a linear ...

Подробнее

Номер записи: 81

01-01-2015 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20150005104A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center and an outer core layer that are both soft relative to a hard intermediate core layer. The Shore C hardness of the outer surface of the center is preferably less than the Shore C hardness of the geometric center of the center. 1. A golf ball comprising a core and a cover , wherein the core has an overall diameter of from 1.40 inches to 1.60 inches and comprises:{'sub': center', 'center surface', 'center surface', 'center, 'a center having a diameter of from 0.50 inches to 1.50 inches, a center Shore C hardness (H) of 85 or less, an outer surface Shore C hardness (H) of 50 or greater, wherein H Подробнее

Номер записи: 82

01-01-2015 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20150005105A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center and an outer core layer that are both soft relative to a hard intermediate core layer. The Shore C hardness of the outer surface of the center is preferably greater than the Shore C hardness of the geometric center of the center. 1. A golf ball comprising a core and a cover , wherein the core has an overall diameter of from 1.40 inches to 1.60 inches and comprises:{'sub': center', 'center surface', 'center surface', 'center, 'a center having a diameter of from 0.50 inches to 1.50 inches, a center Shore C hardness (H) of 80 or less, an outer surface Shore C hardness (H) of 30 or greater, wherein H>H;'}{'sub': 'intermediate', 'an intermediate core layer having an outer surface Shore C hardness (H) of 75 or greater; and'}{'sub': 'outer core', 'an outer core layer having an outer surface Shore C hardness (H) of 60 or greater;'}{'sub': center surface', 'intermediate', 'outer core', 'intermediate', 'outer core', 'center, 'wherein H Подробнее

Номер записи: 83

01-01-2015 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20150005106A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a zero or negative hardness gradient center that is hard relative to an intermediate core layer. 1. A golf ball comprising a core and a cover , wherein the core has an overall diameter of from 1.40 inches to 1.62 inches and comprises:{'sub': center', 'center surface', 'center surface', 'center, 'a center having a diameter of from 0.100 inches to 0.950 inches, a center Shore C hardness (H) of from 30 to 95, an outer surface Shore C hardness (H) of 20 or greater, wherein H≦H;'}{'sub': 'intermediate', 'an intermediate core layer having an outer surface Shore C hardness (H) of 75 or less; and'}{'sub': 'outer core', 'an outer core layer having an outer surface Shore C hardness (H) of from 40 to 95;'}{'sub': intermediate', 'center surface', 'outer core', 'center, 'wherein H Подробнее

Номер записи: 84

08-01-2015 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20150011333A1

Автор: Hebert Edmund A., Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer. 1. A golf ball comprising:a center having a diameter of less than 1.500 inches, a compression of greater than 60, and formed from a polybutadiene composition;an outer cover layer formed from an ionomer composition, the ionomer composition having a flexural modulus of greater than 40,000 psi;an intermediate layer disposed between the center and the outer cover layer, the intermediate layer having an outer surface hardness of less than 50 Shore D and being formed from a composition having a solid, single core compression of 40 or less;wherein the outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer.2. The golf ball of claim 1 , wherein the polybutadiene composition of the center comprises 40 phr or greater of a coagent selected from the group consisting of metal salts of diacrylates claim 1 , dimethacrylates claim 1 , and monomethacrylates.3. The golf ball of claim 1 , wherein the intermediate layer is formed from a polybutadiene composition.4. The golf ball of claim 3 , wherein the polybutadiene composition of the intermediate layer comprises from 0 to 20 phr of a coagent selected from the group consisting of metal salts of diacrylates claim 3 , dimethacrylates claim 3 , and monomethacrylates.5. The golf ball of claim 1 , wherein the intermediate layer is formed from a composition selected from the group consisting of ionomers claim 1 , metallocene-catalyzed polyolefins claim 1 , polyether esters claim 1 , polyether amides claim 1 , maleic anhydride-grafted non-ionomeric polymers claim 1 , polyurethanes claim 1 , polyureas claim 1 , copolymers and blends of polyurethane and polyurea claim 1 , and ethylene propylene diene rubber.6. The golf ball of ...

Подробнее

Номер записи: 85

15-01-2015 дата публикации

MULTI-PIECE GOLF BALL COMPRISING LOW HARDNESS GRADIENT CORE

Номер: US20150018128A1

Автор: Comeau Brian, Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит:

A golf ball includes a single core formed from a substantially homogenous rubber composition, an inner cover disposed about the core, and an outer cover. The inner cover includes an ionomeric material and has a hardness of about 60 Shore D or greater. The outer cover layer is disposed about the inner cover layer, is formed from a castable polyurea or polyurethane, and has a material hardness of about 60 Shore D or less. The outer surface of the core has a trans content of about 12% or less and a hardness of about 71 to 88 Shore C, the geometric center of the core has a trans content of about 10% or less and a hardness of about 70 to 80 Shore C, and the core surface hardness is greater than the geometric center hardness by about 1 to 10 Shore C to define a shallow positive hardness gradient. 1. A golf ball comprising:a single core having an outer surface and a geometric center and being formed from a substantially homogenous rubber composition;an inner cover layer disposed about the core, the inner cover comprising an ionomeric material and having a material hardness of about 60 Shore D or greater; andan outer cover layer disposed about the inner cover layer, the outer cover comprising a polyurea or a polyurethane and having a material hardness of about 60 Shore D or less;wherein the outer surface has a trans content of about 12% or less and a hardness of about 68 to 88 Shore C, the geometric center has a trans content of about 10% or less and a hardness of about 70 to 80 Shore C, and the core surface hardness is greater than the geometric center hardness by about 1 to 10 Shore C to define a shallow positive hardness gradient.2. The golf ball of claim 1 , wherein the positive hardness gradient is about 2 to 8 Shore C.3. The golf ball of claim 2 , wherein the positive hardness gradient is about 2.5 to 7 Shore C.4. The golf ball of claim 1 , wherein the core has an outer diameter of about 1.45 to about 1.62 inches.5. The golf ball of claim 4 , wherein the core has an ...

Подробнее

Номер записи: 86

28-01-2016 дата публикации

HIGHLY-NEUTRALIZED THERMOPLASTIC COPOLYMER CENTER FOR IMPROVED MULTI-LAYER CORE GOLF BALL

Номер: US20160023054A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls comprising a center, intermediate layer, and cover are disclosed. The center is formed from a highly-neutralized acid copolymer composition. 1. A golf ball comprising: a copolymer of ethylene and an α,β-unsaturated carboxylic acid, optionally including a softening monomer selected from the group consisting of alkyl acrylates and methacrylates;', 'an organic acid or salt thereof present in an amount of from 5 wt % to 50 wt %, based on the total weight of the copolymer and organic acid or salt thereof; and', 'a cation source present in an amount sufficient to neutralize greater than 80% of all acid groups present in the composition;, 'a center having a diameter of from 0.80 inches to 1.40 inches and formed from a composition comprisingan outer core layer having a thickness of 0.090 inches or greater and formed from a composition having a Shore D hardness of from 40 to 70; anda cover formed from a polyurethane;wherein a sphere resulting from a combination of the center and the outer core layer has a compression of 60 or greater; andwherein the Shore D hardness of the center composition is less than the Shore D hardness of the outer core layer composition.2. The golf ball of claim 1 , wherein the cation source is present in an amount sufficient to neutralize from 90% to 100% of the acid groups of the copolymer.3. The golf ball of claim 1 , wherein the cation source is present in an amount sufficient to neutralize 100% of the acid groups of the copolymer.4. The golf ball of claim 1 , wherein the polyurethane cover composition has a Shore D hardness of from 45 to 60.5. The golf ball of claim 1 , wherein the cover has a thickness of from 0.02 inches to 0.04 inches.6. The golf ball of claim 1 , wherein the center composition has a Shore D hardness of from 42 to 51.7. The golf ball of claim 1 , wherein the cation source is selected from the group consisting of metal cations of lithium claim 1 , sodium claim 1 , potassium claim 1 , magnesium claim 1 , ...

Подробнее

Номер записи: 87

28-01-2016 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20160023057A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center and an outer core layer that are both soft relative to a hard intermediate core layer. The Shore C hardness of the outer surface of the center is preferably less than the Shore C hardness of the geometric center of the center. 1. A golf ball comprising a core and a cover , wherein the core has an overall diameter of from 1.40 inches to 1.60 inches and comprises:{'sub': center', 'center surface', 'center surface', 'center, 'a center having a diameter of from 0.50 inches to 1.50 inches, a center Shore C hardness (H) of 85 or less, an outer surface Shore C hardness (H) of 30 or greater, wherein H Подробнее

Номер записи: 88

22-01-2015 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20150024873A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer. 1. A golf ball comprising:a center formed from a polybutadiene composition and having a compression of greater than 90 and a diameter of 1.500 inches or less, the polybutadiene composition comprising 35 phr or greater of a coagent selected from the group consisting of zinc salts of acrylates, diacrylates, methacrylates, dimethacrylates, and mixtures thereof;an outer cover layer formed from a polyurethane composition having a material hardness of greater than 60 Shore D;an intermediate layer disposed between the center and the outer cover layer, the intermediate layer having an outer surface hardness of less than 70 Shore C and being formed from a composition having a solid, single core compression of 40 or less;wherein the outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer.2. The golf ball of claim 1 , wherein the diameter of the center is from 1.000 inches to 1.350 inches.3. The golf ball of claim 1 , wherein the compression of the center is 100 or greater.4. The golf ball of claim 1 , wherein the compression of the center is 110 or greater.5. The golf ball of claim 1 , wherein the intermediate layer composition is a polybutadiene composition comprising from 0 to 20 phr of a coagent selected from the group consisting of metal salts of diacrylates claim 1 , dimethacrylates claim 1 , and monomethacrylates.6. The golf ball of claim 1 , wherein the intermediate layer composition is an ionomer composition.7. The golf ball of claim 6 , wherein the ionomer composition of the intermediate layer has a solid claim 6 , single core compression of 30 or less.8. The golf ball of claim 6 , wherein the ionomer composition of the intermediate layer has a solid ...

Подробнее

Номер записи: 89

24-04-2014 дата публикации

HIGHLY-NEUTRALIZED THERMOPLASTIC COPOLYMER CENTER FOR IMPROVED MULTI-LAYER CORE GOLF BALL

Номер: US20140113747A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls comprising a center, intermediate layer, and cover are disclosed. The center is formed from a highly-neutralized acid copolymer composition. 1. A golf ball comprising: a copolymer of ethylene and an α,β-unsaturated carboxylic acid, optionally including a softening monomer selected from the group consisting of alkyl acrylates and methacrylates;', 'an organic acid or salt thereof present in an amount of from 5 wt % to 50 wt %, based on the total weight of the copolymer and organic acid or salt thereof; and', 'a cation source present in an amount sufficient to neutralize greater than 80% of all acid groups present in the composition;, 'a center having a diameter of from 0.80 inches to 1.40 inches, a compression of from 62 to 107, and formed from a composition comprisingan outer core layer having a thickness of 0.090 inches or greater and formed from a composition having a Shore D hardness of from 40 to 70; anda cover formed from a polyurethane;wherein a sphere resulting from a combination of the center and the outer core layer has a compression of 80 or greater; andwherein the Shore D hardness of the center composition is less than the Shore D hardness of the outer core layer composition.2. The golf ball of claim 1 , wherein the cation source is present in an amount sufficient to neutralize from 90% to 100% of the acid groups of the copolymer.3. The golf ball of claim 1 , wherein the cation source is present in an amount sufficient to neutralize 100% of the acid groups of the copolymer.4. The golf ball of claim 1 , wherein the polyurethane cover composition has a Shore D hardness of from 45 to 60.5. The golf ball of claim 1 , wherein the cover has a thickness of from 0.02 inches to 0.04 inches.6. The golf ball of claim 1 , wherein the center composition has a Shore D hardness of from 42 to 51.7. The golf ball of claim 1 , wherein the cation source is selected from the group consisting of metal cations of lithium claim 1 , sodium claim 1 , ...

Подробнее

Номер записи: 90

24-04-2014 дата публикации

MULTI-LAYER COVER GOLF BALL HAVING A HIGH ACID CASING AND ZERO GRADIENT CORE

Номер: US20140113750A1

Автор: Comeau Brian, Cooper Scott, Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball includes a single core having an outer surface and a geometric center. The core is formed from a substantially homogenous rubber composition. An inner cover layer is disposed about the core, the inner cover including a high-acid ionomer and having a material hardness of about 66 to 75 Shore D. The high-acid ionomer has an acid content of about 16% or greater. An outer cover layer is disposed about the inner cover layer, the outer cover including a polyurethane and having a material hardness of about 38 Shore D to about 56 Shore D. The core surface hardness is from 0 Shore C to 15 Shore C lower than the geometric center hardness to define a hardness gradient. 1. A golf ball comprising:a single core having an outer surface and a geometric center and being formed from a substantially homogenous rubber composition;an inner cover layer disposed about the core, the inner cover comprising a high-acid ionomer and having a material hardness of about 66 to 75 Shore D, the high-acid ionomer having an acid content of about 16% or greater; andan outer cover layer disposed about the inner cover layer, the outer cover comprising a polyurethane and having a material hardness of about 38 Shore D to about 56 Shore D;wherein the core surface hardness is from 0 Shore C to 15 Shore C lower than the geometric center hardness to define a hardness gradient.2. The golf ball of claim 1 , wherein the ionomer has an acid content of about 18.5% to about 21.5%.3. The golf ball of claim 1 , wherein the core has an outer diameter of about 1.45 to about 1.62 inches.4. The golf ball of claim 3 , wherein the core has an outer diameter of about 1.50 to about 1.58 inches.5. The golf ball of claim 1 , wherein the hardness of the core geometric center is about 72 to 78 Shore C.6. The golf ball of claim 1 , wherein the hardness of the core surface is about 73 to 80 Shore C.7. The golf ball of claim 6 , wherein the core surface hardness is about 74 to 78 Shore C.8. The golf ball of claim 1 , ...

Подробнее

Номер записи: 91

24-04-2014 дата публикации

Multi-Layer Cover Dual Core Golf Ball Having A High Acid Casing And Low Gradient Center

Номер: US20140113751A1

Автор: Comeau Brian, Cooper Scott, Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball having an inner core layer having an outer surface and a geometric center and being formed from a rubber composition. An outer core layer surrounds the inner core to form a dual core. An inner cover layer surrounds the dual core, and includes a high-acid ionomer having a hardness of about 66 to 75 Shore D and an acid content of 16 wt. % or greater. An outer cover layer surrounds the inner cover layer, and includes a polyurethane and having a material hardness of about 38 to 56 Shore D. The inner core layer surface hardness is from 0 Shore C to 10 Shore C lower than the geometric center hardness to define a negative hardness gradient and the outer core layer has a surface hardness at least 10 Shore C greater than the geometric center hardness to define a dual core positive hardness gradient. 1. A golf ball comprising:an inner core layer having an outer surface and a geometric center and being formed from a substantially homogenous rubber composition;an outer core layer disposed about the inner core layer to form a dual core;an inner cover layer disposed about the dual core, the inner cover comprising a high-acid ionomer and having a material hardness of about 66 to 75 Shore D, the high-acid ionomer having an acid content of about 16% or greater; andan outer cover layer disposed about the inner cover layer, the outer cover comprising a polyurethane and having a material hardness of about 38 Shore D to about 56 Shore D;wherein the inner core layer surface hardness is from 0 Shore C to 10 Shore C lower than the geometric center hardness to define a negative hardness gradient and the outer core layer has a surface hardness at least 10 Shore C greater than the geometric center hardness to define a dual core positive hardness gradient.2. The golf ball of claim 1 , wherein the ionomer has an acid content of about 18.5% to about 21.5%.3. The golf ball of claim 1 , wherein the dual core has an outer diameter of about 1.45 to about 1.62 inches.4. The golf ball of ...

Подробнее

Номер записи: 92

01-02-2018 дата публикации

BUOYANT, HIGH COEFFICIENT OF RESTITUTION (CoR) GOLF BALL HAVING A REDUCED FLIGHT DISTANCE YET THE PERCEIVED FLIGHT TRAJECTORY OF REGULAR DISTANCE HIGH CoR GOLF BALLS

Номер: US20180028871A1

Автор: Binette Mark L., Ladd Derek A., Morgan William E., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf ball having CoR of at least 0.810, specific gravity SGof less than 1.00 g/cc, and initial velocity of at least 250 ft/s and comprising a first layer L, a second layer Lsurrounding L, and a third layer Lsurrounding L. Lis formed from at least one highly neutralized polymer and has first specific gravity SG; Lis formed from at least one partially neutralized polymer and has second specific gravity SG; and Lis formed from at least one of a thermoset or thermoplastic composition and has third specific gravity SG. At least two of SG, SG, and SGis less than 1.13 g/cc. SGmay be less than 1.13 g/cc, or less than 1.0 g/cc. The thermoset or thermoplastic composition may comprise polyurethane(s), polyurea(s), polyurethane(s)/polyurea(s) hybrids, and/or ionomers such as at least partially neutralized polymers and/or HNPs. 1. A golf ball comprising:{'sub': 1', '1, 'a first layer Lformed from at least one highly neutralized polymer and having a first specific gravity SG;'}{'sub': 2', '1', '2, 'a second layer Lsurrounding Land being formed of at least one partially neutralized polymer and having a second specific gravity SG; and'}{'sub': 3', '2', '3, 'a third layer Lsurrounding Land being formed from at least one of a thermoset or thermoplastic composition and having a third specific gravity SG;'}{'sub': 1', '2', '3, 'wherein at least two of SG, SG, and SGis less than 1.13 g/cc; and'}{'sub': 'B', 'wherein the golf ball has a coefficient of restitution (CoR) of at least 0.810, a specific gravity SGof less than 1.00 g/cc, and an initial velocity of at least 250 ft/s.'}2. The golf ball of claim 1 , wherein SGis less than 1.13 g/cc.3. The golf ball of claim 2 , wherein the golf ball CoR is greater than 0.810.4. The golf ball of claim 2 , wherein a ΔSG between each of SG claim 2 , SG claim 2 , and SGis no greater than 0.50.5. The golf ball of claim 2 , wherein a ΔSG between each of SG claim 2 , SG claim 2 , and SGis from 0.05 to 0.30.6. The golf ball of claim 2 , wherein a ΔSG ...

Подробнее

Номер записи: 93

12-02-2015 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20150045148A1

Автор: Hebert Edmund A., Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a soft, low compression center; a soft, flexible outer cover layer; and a relatively hard, high compression intermediate layer disposed between the center and the outer cover layer are provided. The outer surface hardness of the intermediate layer is greater than that of both the center and the outer cover layer. 1. A golf ball consisting essentially of:a center having a diameter of less than 1.500 inches, a compression of from 5 to 40, and formed from a polybutadiene composition;an outer cover layer formed from a composition having a flexural modulus of 40,000 psi or less;an intermediate layer disposed between the center and the outer cover layer, the intermediate layer having an outer surface hardness of greater than 60 Shore D and being formed from a thermoplastic composition having a solid, single core compression of 60 or greater;wherein the outer surface hardness of the center and the outer surface hardness of the outer cover layer are less than the outer surface hardness of the intermediate layer; andwherein the solid, single core compression of the intermediate layer is at least 25 compression points higher than the compression of the center.2. The golf ball of claim 1 , wherein the polybutadiene composition of the center comprises from 0 to 20 phr of a coagent selected from the group consisting of metal salts of diacrylates claim 1 , dimethacrylates claim 1 , and monomethacrylates.3. The golf ball of claim 1 , wherein the thermoplastic composition of the intermediate layer is an ionomer composition.4. The golf ball of claim 1 , wherein the thermoplastic composition of the intermediate layer is a highly neutralized polymer composition.5. The golf ball of claim 1 , wherein the compression of the center is from 10 to 40.6. The golf ball of claim 1 , wherein the solid claim 1 , single core compression of the intermediate layer is at least 30 compression points higher than the compression of the center.7. The golf ball of claim 1 , ...

Подробнее

Номер записи: 94

19-02-2015 дата публикации

Blends of linear and branched neodymium-catalyzed rubber formulations for use in golf balls

Номер: US20150051016A1

Автор: Brian Comeau, David A. Bulpett, Derek A. Ladd, Michael J. Sullivan

Принадлежит: Acushnet Co

The invention relates to golf ball formulations formed from blends of linear and branched polybutadienes catalyzed with neodymium that have improved properties and processing characteristics. Golf ball components may be formed from the blends to provide high coefficient of restitution.

Подробнее

Номер записи: 95

19-02-2015 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20150051017A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises at least three layers, including at least one thermoset layer and at least one thermoplastic layer. The innermost core layer is relatively small, having a diameter of from 0.50 inches to 1.30 inches, and has a plurality of projections disposed thereon. 1. A golf ball comprising:an inner core layer formed from a first thermoplastic composition and having a diameter of from 0.50 inches to 1.30 inches and a surface hardness of from 50 to 80 Shore C;an intermediate core layer formed from a first thermoset composition and having a surface hardness of from 45 Shore D to 65 Shore D;an outer core layer formed from a second thermoplastic composition and having a surface hardness of 80 Shore C or greater; anda cover;wherein the inner core layer comprises a plurality of projections disposed thereon.2. The golf ball of claim 1 , wherein the projections disposed on the inner core layer have a truncated pyramidal shape.3. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover is a single layer.4. The golf ball of claim 3 , wherein the cover is formed from a third thermoplastic composition. The present application is a continuation-in-part of U.S. patent application Ser. No. 13/433,321, filed Mar. 29, 2012, which is a continuation-in-part of U.S. patent application Ser. No. 13/204,830, filed Aug. 8, 2011, now U.S. Pat. No. 8,241,148, which is a continuation of U.S. patent application Ser. No. 12/772,478, filed May 3, 2010, now U.S. Pat. No. 7,993,218, which is a continuation of U.S. patent application Ser. No. 12/407,856, filed Mar. 20, 2009, now U.S. Pat. No. 7,708,656, which is a continuation-in-part of U.S. patent application Ser. No. 11/972,240, filed Jan. 10, 2008, now U.S. Pat. No. 7,722,482, the entire disclosures ...

Подробнее

Номер записи: 96

19-02-2015 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20150051018A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a zero or positive hardness gradient center that is hard relative to an intermediate core layer. The overall core preferably has a zero hardness gradient, a negative hardness gradient, or a positive hardness gradient of up to 20 Shore C units. 1. A golf ball comprising a core and a cover , wherein the core has an overall diameter of from 1.40 inches to 1.62 inches and comprises:{'sub': center', 'center surface', 'center surface', 'center, 'a center having a diameter of from 0.100 inches to 0.950 inches, a center Shore C hardness (H) of 90 or less, an outer surface Shore C hardness (H) of 75 or greater, wherein H>H;'}{'sub': 'intermediate', 'an intermediate core layer having an outer surface Shore C hardness (H) of 85 or less; and'}{'sub': 'outer core', 'an outer core layer having an outer surface Shore C hardness (H) of 80 or greater;'}{'sub': intermediate', 'center surface', 'intermediate', 'outer core', 'outer core', 'center, 'wherein H Подробнее

Номер записи: 97

13-02-2020 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20200047033A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises at least three layers, including at least one thermoset layer and at least one thermoplastic layer. The innermost core layer is relatively small, having a diameter of from 0.50 inches to 1.30 inches. 1. A golf ball comprising:an inner core layer formed from a first thermoplastic composition and having a diameter of from 0.50 inches to 1.30 inches;an intermediate core layer formed from a first thermoset composition and having a thickness of from 0.01 inches to 0.06 inches and a surface hardness of 60 Shore D or less;an outer core layer formed from a second thermoplastic composition and having a thickness of from 0.05 inches to 0.25 inches and a surface hardness of from 55 Shore D to 70 Shore D; anda cover.2. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover is a single layer formed from a second thermoset composition.3. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover is a single layer formed from a third thermoplastic composition.4. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover consists essentially of an inner cover layer formed from a third thermoplastic composition and an outer cover layer formed from a second thermoset composition.5. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover consists ...

Подробнее

Номер записи: 98

13-02-2020 дата публикации

BUOYANT, HIGH COEFFICIENT OF RESTITUTION (COR) GOLF BALL HAVING A REDUCED FLIGHT DISTANCE YET THE PERCEIVED FLIGHT TRAJECTORY OF REGULAR DISTANCE HIGH COR GOLF BALLS

Номер: US20200047035A1

Автор: Binette Mark L., Ladd Derek A., Morgan William E., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf ball having CoR of at least 0.810, specific gravity SGof less than 1.00 g/cc, and initial velocity of at least 250 ft/s and comprising a first layer L, a second layer Lsurrounding L, and a third layer Lsurrounding L. Lis formed from at least one highly neutralized polymer and has first specific gravity SG; Lis formed from at least one partially neutralized polymer and has second specific gravity SG; and Lis formed from at least one of a thermoset or thermoplastic composition and has third specific gravity SG. At least two of SG, SG, and SGis less than 1.13 g/cc. SGmay be less than 1.13 g/cc, or less than 1.0 g/cc. The thermoset or thermoplastic composition may comprise polyurethane(s), polyurea(s), polyurethane(s)/polyurea(s) hybrids, and/or ionomers such as at least partially neutralized polymers and/or HNPs. 1. A golf ball comprising:{'sub': 1', '1, 'a first layer Lformed of at least one rubber and having a first specific gravity SG;'}{'sub': 2', '1', '2, 'a second layer Lsurrounding Land being formed of at least one highly neutralized polymer and having a second specific gravity SG; and'}{'sub': 3', '2', '3, 'a third layer Lsurrounding Land being formed from at least one partially neutralized polymer and having a third specific gravity SG;'}{'sub': 1', '2', '3, 'wherein at least two of SG, SG, and SGis less than 1.13 g/cc; and'}{'sub': 'B', 'wherein the golf ball has a coefficient of restitution (CoR) of at least 0.810, a specific gravity SGof less than 1.00 g/cc and an initial velocity of at least 250 ft/s.'}2. The golf ball of claim 1 , wherein SGis less than 1.13 g/cc.3. The golf ball of claim 1 , wherein SGis less than 1.0 g/cc.4. The golf ball of claim 1 , wherein the CoR is at least 0.820.5. The golf ball of claim 2 , wherein a ΔSG between each of SG claim 2 , SG claim 2 , and SGis no greater than 0.50.6. The golf ball of claim 1 , wherein SGis less than 1.13 g/cc claim 1 , and wherein SGand SGare less than 1.00 g/cc.7. The golf ball of claim 2 , ...

Подробнее

Номер записи: 99

01-03-2018 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20180056139A1

Автор: Hebert Edmund A., Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

The present invention is directed to multi-layer golf balls including a layer formed from a composition comprising a relatively soft or low modulus HNP, a layer formed from a composition comprising a relatively hard or high modulus HNP, an inner cover layer formed from a thermoplastic composition, and an outer cover layer. 1. A golf ball comprising:(a) an inner core layer formed from a first composition, the first composition having a Shore D hardness of 35 or greater and comprising a highly neutralized ethylene/(meth)acrylic acid copolymer wherein from 40% to 100% of the acid groups of the acid copolymer are neutralized;(b) an outer core layer formed from a second composition, the second composition having a Shore D hardness of 65 or less and comprising an ethylene/(meth)acrylic acid/alkyl (meth)acrylate copolymer wherein 40% to 100% of the acid groups of the acid copolymer are neutralized; and(c) a cover;wherein the Shore D hardness of the first composition is greater than the Shore D hardness of the second composition.2. The golf ball of claim 1 , wherein the Shore D hardness of the second composition is from 10 to 60.3. The golf ball of claim 1 , wherein the Shore D hardness of the second composition is from 20 to 55.4. The golf ball of claim 1 , wherein the Shore D hardness of the first composition is from 35 to 80.5. The golf ball of claim 1 , wherein the Shore D hardness of the second composition is at least 3 less than the Shore D hardness of the first composition.6. The golf ball of claim 1 , wherein the second composition has a modulus of from 1 claim 1 ,000 psi to 50 claim 1 ,000 psi.7. The golf ball of claim 1 , wherein the first composition has a modulus of 150 claim 1 ,000 psi or less.8. The golf ball of claim 1 , wherein the second composition has a modulus of from 1 claim 1 ,000 psi to 50 claim 1 ,000 psi claim 1 , the first composition has a modulus of 150 claim 1 ,000 psi or less claim 1 , and the modulus of the second composition is at least 10% ...

Подробнее

Номер записи: 100

01-03-2018 дата публикации

GOLF BALLS COMPRISING MEDIUM HARDNESS GRADIENT CORE

Номер: US20180056140A1

Автор: Comeau Brian, Jones Douglas E., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball includes a core having an outer surface and a geometric center. The core is formed from a substantially homogenous rubber composition. An ionomeric inner cover layer is formed about the core and has a material hardness of about 60 Shore D or greater. The golf ball includes an outer cover layer formed from a polyurea or a polyurethane and having a material hardness of about 60 Shore D or less. The outer surface of the core has a trans content of about 12% or less and a hardness of about 71 to 88 Shore C. The geometric center of the core has a trans content of about 10% or less and a hardness of about 60 to 80 Shore C. The core has an outer surface hardness greater than a geometric center hardness by about 5 to 19 Shore C to define a positive hardness gradient. 1. A golf ball comprising:a core comprising an inner core layer and an outer core layer, the core having an outer surface and a geometric center;an inner cover layer comprising an ionomeric material and having a material hardness of about 60 Shore D or greater; andan outer cover layer, the outer cover layer comprising a polyurea or a polyurethane and having a material hardness of about 60 Shore D or less;wherein the outer surface has a trans content of about 12% or less and a hardness of about 89 Shore C to 92 Shore C, the geometric center has a trans content of about 10% or less and a hardness of about 60 to 80 Shore C, and the outer surface hardness is greater than the geometric center hardness by about 12 to 19 Shore C to define a positive hardness gradient.2. The golf ball of claim Error! Reference source not found. , wherein the core has an outer diameter of about 1.45 to about 1.62 inches.30. The golf ball of claim , wherein the core has an outer diameter of about 1.50 to about 1.58 inches.4. The golf ball of claim Error! Reference source not found. , wherein the hardness of the geometric center is about 70 to 80 Shore C.5. The golf ball of claim Error! Reference source not found. , wherein ...

Подробнее

Номер записи: 101

10-03-2016 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20160067555A1

Автор: Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center and an outer core layer that are both soft relative to a hard intermediate core layer. The Shore C hardness of the outer surface of the center is preferably greater than the Shore C hardness of the geometric center of the center. 1. A golf ball comprising a core and a cover , wherein the core has an overall diameter of from 1.40 inches to 1.60 inches and comprises:{'sub': center', 'center surface', 'center surface', 'center, 'a center having a diameter of from 0.50 inches to 1.50 inches, a center Shore C hardness (H) of 80 or less, an outer surface Shore C hardness (H) of 30 or greater, wherein H>H;'}{'sub': 'intermediate', 'an intermediate core layer having an outer surface Shore C hardness (H) of 40 or greater; and'}{'sub': 'outer core', 'an outer core layer having an outer surface Shore C hardness (H) of 25 or greater;'}{'sub': center surface', 'intermediate', 'outer core', 'intermediate', 'outer core', 'center, 'wherein H Подробнее

Номер записи: 102

17-03-2016 дата публикации

GOLF BALL CORES HAVING FOAM CENTER AND THEMOPLASTIC OUTER LAYERS

Номер: US20160074711A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf ball multi-layered core sub-assemblies and the resulting golf balls are provided. The core structure includes a foam inner core (center); and intermediate and outer core layers. Foamed polyurethane is preferably used to make the inner core. The intermediate and outer core layers are preferably made from non-foamed thermoplastic compositions such as ethylene acid copolymer ionomer. In an alternative version, the intermediate core layer may be made of a thermoset rubber such as polybutadiene. The core layers have different hardness and specific gravity levels. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hcore surface being greater than the Hto provide a positive hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a thermoplastic or thermoset material, the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC, 'iii) an outer core layer comprising a thermoplastic material, the outer core layer being disposed about the intermediate core layer and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), ...

Подробнее

Номер записи: 103

17-03-2016 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20160074712A1

Автор: Comeau Brian, Goguen Douglas S., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a layer formed from a highly neutralized polymer composition, a layer formed from an additional thermoplastic composition, and an outermost layer formed from a thermoset rubber. 1. A golf ball comprising:an inner core layer formed from a first thermoset rubber composition and having a diameter of from 0.500 inches to 1.580 inches;a first intermediate core layer formed from a thermoplastic composition selected from the group consisting of partially- and fully-neutralized ionomers optionally blended with a maleic anhydride-grafted non-ionomeric polymer, polyesters, polyethers, polyamides, and blends of two or more thereof, and having a thickness of from 0.005 inches to 0.100 inches and a surface hardness of from 50 Shore C to 85 Shore C;a second intermediate core layer formed from a highly neutralized polymer composition and having a thickness of from 0.005 inches to 0.100 inches;an outer core layer formed from a second thermoset rubber composition and having a thickness of from 0.010 inches to 0.100 inches and a surface hardness of 50 Shore C or greater; anda cover layer having a thickness of from 0.010 inches to 0.050 inches and a surface hardness of 65 Shore D or less.2. The golf ball of claim 1 , wherein the inner core layer has a center hardness of from 40 Shore C to 65 Shore C claim 1 , a surface hardness of from 50 Shore C to 85 Shore C claim 1 , and a compression of from 20 to 60.3. The golf ball of claim 1 , wherein the inner core layer has a center hardness of from 40 Shore C to 65 Shore C claim 1 , a surface hardness of 80 Shore C or greater claim 1 , and a compression of from 60 to 80.4. The golf ball of claim 1 , wherein the second intermediate core layer has a surface hardness of greater than 50 Shore D.5. The golf ball of claim 1 , wherein the second intermediate core layer has a surface hardness of 60 Shore D or less.6. A golf ball consisting essentially ...

Подробнее

Номер записи: 104

15-03-2018 дата публикации

DURABLE LARGE AND REGULATION WEIGHT GOLF BALL INCORPORATING FOAMED INTERMEDIATE LAYER

Номер: US20180071585A1

Автор: Binette Mark L., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Large diameter golf balls having at least one foamed intermediate layer are provided. 1. A golf ball having a weight of 1.620 oz. or less , an outer diameter of at least 1.700 inches , and a CoR of at least 0.700 , comprising:a core comprising a rubber composition and having a first specific gravity that is greater than 1.0 g/cc; andan intermediate layer having an outer diameter of about 1.680 inches or greater and consisting of a foamed polyurethane composition and having a second specific gravity that is less than 1.0 g/cc; anda cover layer comprising a polyurethane composition and having a third specific gravity that is greater than 1.0 g/cc; andwherein the first specific gravity is less than the third specific gravity.2. The golf ball of claim 1 , wherein the core has a diameter of 1.580 inches or greater.3. The golf ball of claim 2 , wherein the foamed polyurethane composition of the intermediate layer is a thermoset material.4. The golf ball of claim 3 , wherein the polyurethane composition of the cover layer is a thermoset material.5. The golf ball of claim 3 , wherein the polyurethane composition of the cover layer is a thermoplastic material.6. The golf ball of claim 2 , wherein the foamed polyurethane composition of the intermediate layer is a thermoplastic material.7. The golf ball of claim 2 , wherein the intermediate layer has an outer surface hardness (H) and an inner surface hardness (H) claim 2 , the H claim 2 , being greater than the Hto provide a positive hardness gradient.8. The golf ball of claim 7 , wherein the core has an outer surface hardness (R) and a center hardness (H) claim 7 , the Hbeing greater than the Hto provide a positive hardness gradient.9. The golf ball of claim 7 , wherein the core has an outer surface hardness (H) and a center hardness (H) claim 7 , the Hbeing equal to or less than the Hto provide a zero to negative hardness gradient.10. The golf ball of claim 2 , wherein the intermediate layer has an outer surface hardness (H) ...

Подробнее

Номер записи: 105

02-04-2015 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20150094169A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball comprising: an inner core having a compression of less than about 60, wherein the inner core comprises a highly neutralized thermoplastic ionomer; at least one intermediate layer surrounding the inner core, having a hardness of at least about 55 Shore D, a specific gravity and a flexural modulus such that each of the hardness, specific gravity and flexural modulus of the intermediate layer is greater than a hardness, a specific gravity, and a flexural modulus of the inner core; and a cover surrounding the at least one intermediate layer, having a flexural modulus and a Shore D hardness that are greater than a flexural modulus and a hardness of the inner core, and a Shore D hardness of the cover is at least 60. 1. A golf ball comprising:an inner core having a compression of less than about 60, wherein the inner core comprises a highly neutralized thermoplastic ionomer;at least one intermediate layer surrounding the inner core, having a hardness of at least about 55 Shore D, a specific gravity and a flexural modulus such that each of the hardness, specific gravity and flexural modulus of the intermediate layer is greater than a hardness, a specific gravity, and a flexural modulus of the inner core; anda cover surrounding the at least one intermediate layer, having a flexural modulus and a Shore D hardness that are greater than a flexural modulus and a hardness of the inner core; andwherein the Shore D hardness of the cover is at least 60.2. The golf ball of claim 1 , wherein the intermediate layer comprises polybutadiene rubber.3. The golf ball of claim 1 , wherein the cover comprises a thermoplastic ionomer.4. The golf ball of claim 1 , wherein the cover comprises a polyurethane composition.5. The golf ball of claim 1 , wherein the compression of the inner core is less than about 40.6. The golf ball of claim 1 , wherein the cover has a thickness of 0.03 to 0.5 inches. The present application is a continuation of co-pending U.S. application Ser. No. 14/028 ...

Подробнее

Номер записи: 106

02-04-2015 дата публикации

MULTI-LAYER CORE GOLF BALL HAVING OPPOSING HARDNESS GRADIENT WITH STEEP GRADIENT OUTER CORE LAYER

Номер: US20150094170A1

Автор: Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball comprising an inner core formed from a substantially homogenous composition such that the geometric center hardness is 56-80 Shore C and the outer surface hardness is 50-75 Shore C. An outer core layer has an outer surface having hardness of 85-98 Shore C and an inner surface hardness of 68-78 Shore C and being formed from a second homogenous rubber composition. A cover layer is disposed about the outer core layer. The hardness of the second outer surface is greater than the hardness of the inner surface to define a positive hardness gradient of +7 to +30 Shore C, and the hardness of the first outer surface is lower than the hardness of the geometric center to define a negative hardness gradient of −1 to −15 Shore C. 1. A golf ball comprising:an inner core having an outer diameter of about 0.50 inches to 1.55 inches, a first outer surface, and a geometric center, and being formed from a first substantially homogenous composition throughout such that the geometric center has a hardness of about 51 Shore C to about 76 Shore C and the first outer surface has a hardness of about 50 Shore C to about 75 Shore C;an outer core layer disposed about the inner core, the outer core layer having an outer diameter of about 1.30 inches to about 1.62 inches, a second outer surface having a hardness of about 85 Shore C to about 98 Shore C, and being formed from a second substantially homogenous rubber composition throughout; anda cover layer disposed about the outer core layer;wherein the geometric center and the first and second outer surfaces each have a hardness, the hardness of the second outer surface being greater than the hardness of the geometric center to define a positive hardness gradient of about 7 to 30 Shore C.2. The golf ball of claim 1 , wherein the inner core has an outer diameter of about 0.75 inches to 1.50 inches.3. The golf ball of claim 2 , wherein the inner core has an outer diameter of about 1.00 inch to 1.40 inches.4. The golf ball of claim 1 , ...

Подробнее

Номер записи: 107

07-04-2016 дата публикации

Golf Balls Containing Multi-Layered Cores With Foam Center and Thermoplastic Outer Layers

Номер: US20160096077A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf ball multi-layered core sub-assemblies and the resulting golf balls are provided. The core structure includes a foam inner core (center); and intermediate and outer core layers. Foamed polyurethane is preferably used to make the inner core. The intermediate and outer core layers are preferably made from non-foamed thermoplastic compositions such as ethylene acid copolymer ionomers that are partially or highly neutralized, polyester-polyether block copolymers, polyether-amide block copolymers, and blends thereof. The core layers have different hardness and specific gravity levels. The ball further includes a cover having at least one layer. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a first non-foamed thermoplastic composition, the composition comprising an elastomer selected from the group consisting of polyester-polyether block copolymers, polyether-amide block copolymers, and blends thereof, the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing the same or less than the Hto provide a zero or negative hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC, 'iii) an outer core ...

Подробнее

Номер записи: 108

09-04-2015 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20150099595A1

Автор: Cooper Scott, Ladd Derek A.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer. 1. A golf ball consisting essentially of:a center having a diameter of from 1.000 inches to 1.400 inches, a compression of from 40 to 55, and formed from a polybutadiene composition;an intermediate layer having an outer surface hardness of less than 50 Shore D and formed from a polybutadiene composition having a solid, single core compression less than the compression of the center; anda cover layer formed from a composition comprising a blend of a first ionomer, a second ionomer, and a non-ionic thermoplastic resin;wherein the outer surface hardness of the intermediate layer is less than that of both the center and the cover layer.2. The golf ball of claim 1 , wherein the compression of a golf ball subassembly consisting of the center and the intermediate layer has a compression of 50 or less.3. The golf ball of claim 2 , wherein the compression of the golf ball subassembly is at least 10 compression points less than the compression of the center.4. The golf ball of claim 2 , wherein the diameter of the golf ball subassembly is 1.500 inches or greater.5. The golf ball of claim 4 , wherein the diameter of the center is from 1.000 inches to 1.200 inches.6. The golf ball of claim 1 , wherein the compression of the center is from 45 to 55.7. The golf ball of claim 1 , wherein the solid claim 1 , single core compression of the intermediate layer composition is 40 or less. The present application is a continuation-in-part of U.S. patent application Ser. No. 14/493,227, filed Sep. 22, 2014, which is a continuation of U.S. patent application Ser. No. 12/493,305, filed Jun. 29, 2009, now U.S. Pat. No. 8,840,492, the entire disclosures of which are hereby incorporated herein by reference.The present invention ...

Подробнее

Номер записи: 109

26-06-2014 дата публикации

GOLF BALL COMPOSITIONS

Номер: US20140179462A1

Автор: Bulpett David A., Cooper Scott, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Disclosed herein are multilayer golf balls having a layer with a higher Shore C hardness and a lower Shore D hardness than another layer. 1. A golf ball comprising:a first layer formed from a first composition and a second layer formed from a second composition,wherein the Shore C hardness of the first composition is greater than the Shore C hardness of the second composition, andwherein the Shore D hardness of the first composition is less than the Shore D hardness of the second composition.2. The golf ball of claim 1 , wherein the Shore C hardness of the first composition is 86 or greater claim 1 , and wherein the Shore D hardness of the first composition is 60 or less.3. The golf ball of claim 2 , wherein the Shore C hardness of the second composition is less than 86 claim 2 , and wherein the Shore D hardness of the second composition is greater than 60.4. The golf ball of claim 1 , wherein the Shore C hardness of the second composition is 86 or less claim 1 , and wherein the Shore D hardness of the second composition is 60 or greater.5. The golf ball of claim 4 , wherein the Shore C hardness of the first composition is greater than 86 claim 4 , and wherein the Shore D hardness of the first composition is less than 60.6. The golf ball of claim 1 , wherein the first composition is a rubber composition claim 1 , and wherein the second composition comprises an ionomer and a functionalized polyethylene.7. The golf ball of claim 6 , wherein the ionomer has an acid level of 18% or greater.8. A golf ball comprising:a solid, single layer core,an inner cover layer, andan outer cover layer,wherein the Shore C hardness of the core is greater than the Shore C hardness of the inner cover layer, andwherein the Shore D hardness of the core is less than the Shore D hardness of the inner cover layer.9. The golf ball of claim 8 , wherein the Shore C hardness of the core is 86 or greater and the Shore D hardness of the core is 60 or less claim 8 , and wherein the Shore C hardness ...

Подробнее

Номер записи: 110

21-04-2016 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20160107041A1

Автор: Comeau Brian, Goguen Douglas S., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Low compression golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises at least three layers, including at least one thermoset layer and at least one thermoplastic layer. 1. A golf ball comprising:an inner core layer formed from a first thermoset composition and having a diameter of from 0.50 inches to 1.30 inches;an intermediate core layer formed from a first thermoplastic composition and having a thickness of from 0.01 inches to 0.06 inches and a surface hardness of greater than 60 Shore D;an outer core layer formed from a second thermoset composition and having a thickness of from 0.10 inches to 0.25 inches; anda cover;wherein the golf ball has an Atti compression of less than 60.2. The golf ball of claim 1 , wherein the Atti compression of the golf ball is less than 55.3. The golf ball of claim 1 , wherein the Atti compression of the golf ball is less than 50.4. The golf ball of claim 1 , wherein the inner core layer has an Atti compression of 40 or less.5. The golf ball of claim 1 , wherein the inner core layer has an Atti compression of 30 or less.6. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover is a single layer formed from a third thermoset composition.7. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover is a single layer formed from a second thermoplastic composition.8. The golf ball of claim 1 , wherein the golf ball consists essentially of the inner core layer claim 1 , the intermediate core layer claim 1 , the outer core layer claim 1 , and the cover claim 1 , and wherein the cover consists essentially of an inner cover layer formed from a second thermoplastic composition and ...

Подробнее

Номер записи: 111

05-05-2016 дата публикации

MULTI-LAYER CORE GOLF BALL HAVING OPPOSING HARDNESS GRADIENT WITH STEEP GRADIENT OUTER CORE LAYER

Номер: US20160121174A1

Автор: Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball comprising an inner core formed from a substantially homogenous composition such that the geometric center hardness is about 56 to 80 Shore C. An outer core layer has an outer surface having hardness of about 85 to 98 Shore C and an inner surface hardness of about 68 to 78 Shore C and being formed from a second homogenous rubber composition. A cover layer is formed over the outer core layer. The hardness of the second outer surface is greater than the hardness of the inner surface to define a positive hardness gradient of about 7 to 30 Shore C, and the hardness of the first outer surface is lower than the hardness of the geometric center to define a negative hardness gradient of about 1 to 15 Shore C. 1. A golf ball comprising:an inner core layer having an outer diameter of about 0.50 to 1.55 inches, a first outer surface, and a geometric center, the inner core layer comprising a first substantially homogenous composition such that the geometric center has a hardness of about 51 to 76 Shore C;an outer core layer disposed about the inner core layer, the outer core layer having an outer diameter of about 1.30 to 1.62 inches, a second outer surface having a hardness of about 85 to 98 Shore C, and comprising a second substantially homogenous rubber composition; anda cover layer disposed about the outer core layer;wherein the geometric center and the first and second outer surfaces each have a hardness, the hardness of the second outer surface being greater than the hardness of the geometric center to define a positive hardness gradient of about 7 to 30 Shore C.2. The golf ball of claim 1 , wherein the inner core has an outer diameter of about 0.75 inches to 1.50 inches.3. The golf ball of claim 2 , wherein the inner core has an outer diameter of about 1.00 inch to 1.40 inches.4. The golf ball of claim 1 , wherein the outer core layer has an outer diameter of about 1.40 inches to 1.60 inches.5. The golf ball of claim 4 , wherein the outer core layer has an ...

Подробнее

Номер записи: 112

25-04-2019 дата публикации

GOLF BALLS CONTAINING MULTI-LAYERED CORES WITH HEAT-ACTIVATED FOAM CENTER

Номер: US20190118041A1

Автор: Binette Mark L., Comeau Brian, Goguen Douglas S., Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layered, golf balls having a core made of a foamed composition are provided. The core preferably has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer. Preferably, a polyurethane foam composition comprising secondary blowing agents that are activated by heat is used to form the foam center. Non-foamed thermoset materials such as polybutadiene rubber may be used to form the outer core layer. The core layers have different hardness gradients and specific gravity values. The foam cores have good resiliency, thermal stability, and durability over a wide temperature range. The ball further includes a cover that may be multi-layered. 1. A method for producing a core assembly for a golf ball , comprising the steps of:i) introducing a polyurethane composition comprising a primary blowing agent and secondary blowing agent into a mold for preparing a spherical inner core;ii) heating the polyurethane composition so that the primary blowing agent, and not the secondary blowing agent, is activated and foaming of the composition is initiated;iii) molding a rubber composition over the foamed polyurethane composition so that the secondary blowing agent is activated and the polyurethane composition is further foamed to produce a core assembly having a fully foamed polyurethane inner core and an overlying rubber outer core layer.2. The method of claim 1 , wherein the primary blowing agent is water and the secondary blowing agent is selected from the group consisting of azo claim 1 , nitroso claim 1 , hydrazine claim 1 , carbazide claim 1 , and hydrogen carbonate compounds claim 1 , and mixtures thereof.3. The method of claim 1 , wherein the secondary blowing agent is selected from the group consisting of 4 claim 1 ,4′-oxybis(benzenesulfonylhydrazide) and sodium hydrogen carbonate.4. The method of claim 1 , wherein the foamed polyurethane composition is prepared by adding water and a secondary chemical blowing agent to a mixture of ...

Подробнее

Номер записи: 113

21-05-2015 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20150141168A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layer golf balls having a relatively hard outer core surrounding a relatively soft, low compression inner core are provided. The inner core generally has a compression of less than 70. The outer core generally has a Shore C hardness of 80 or greater. A cover, which can be a single-, dual-, or multi-layer cover, is provided to surround the outer core. A moisture barrier layer is optionally provided between the outer core and the cover. The moisture vapor transmission rate of the moisture barrier layer is preferably less than the moisture vapor transmission rate of the cover. 1. A three-layer golf ball consisting essentially of:an inner core layer having a compression of less than 70 and a Shore C hardness of less than 80;an outer core layer having a Shore C hardness of 80 or greater and a specific gravity of 1.11 or greater; anda single-layer cover;wherein the hardness of the inner core layer is less than the hardness of the outer core layer and wherein the specific gravity of the outer core layer is greater than or equal to the specific gravity of the inner core layer.2. The golf ball of claim 1 , wherein the inner core layer has a Shore C hardness of less than 70.3. The golf ball of claim 1 , wherein the inner core layer has a Shore C hardness of less than 65.4. The golf ball of claim 1 , wherein the inner core layer and outer core layer have a combined dual core compression of greater than 50.5. The golf ball of claim 1 , wherein the single-layer cover is formed from a partially or fully neutralized ionomer composition.6. The golf ball of claim 5 , wherein the single-layer cover has Shore D hardness of less than 65.7. The golf ball of claim 1 , wherein the compression of the inner core layer is 50 or less.8. The golf ball of claim 1 , wherein the compression of the inner core layer is 30 or less.9. The golf ball of claim 1 , wherein the compression of the inner core layer is 20 or less.10. A golf ball consisting of the following three layers:a dual layer ...

Подробнее

Номер записи: 114

07-08-2014 дата публикации

GOLF BALL COMPRISING A CORE LAYER HAVING A HARDNESS GRADIENT AND TRANS GRADIENT

Номер: US20140221126A1

Автор: Bulpett David A., Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball includes a ‘dual core’ formed from an inner core layer and an outer core layer. The inner core has an outer surface and a center and is typically formed from a substantially-homogenous rubber composition such that the center of the core has a hardness of about 72 Shore C to about 78 Shore C and a trans content of about 5% to 9%, and the outer surface of the inner core has a trans content of about 5% to 9%. The trans content of the outer surface and the center of the inner core are preferably within 2% of each other and, more preferably are substantially the same to define a zero trans gradient along a radius of the inner core. 1. A golf ball comprising:an inner core having a first outer surface and a geometric center and being formed from a first substantially homogenous rubber composition such that the geometric center has a hardness of about 72 Shore C to about 78 Shore C and a trans content of about 5% to 9% and the first outer surface has a trans content of about 5% to 9%;an outer core layer disposed about the inner core and being formed from a second substantially homogenous rubber composition such that the outer core layer has a trans content of about 15% to 25%; anda cover layer disposed about the outer core layer comprising a castable polyurea or a castable polyurethane;wherein a hardness of the first outer surface is 57 Shore C to 63 Shore C and is lower than a hardness of the geometric center to define a negative hardness of about −1 to −15, and the trans content of the first outer surface and the geometric center are substantially the same.2. The golf ball of claim 1 , wherein the outer core layer has a trans content of about 20% to 25%.3. The golf ball of claim 1 , wherein the inner core has an outer diameter of about 0.75 inches to about 1.4 inches and the intermediate layer has an outer diameter of about 1.5 inches to about 1.55 inches.4. The golf ball of claim 1 , wherein the cover layer comprises an inner cover layer and an outer cover ...

Подробнее

Номер записи: 115

28-05-2015 дата публикации

GOLF BALL HAVING SPECIFIC SPIN, MOMENT OF INERTIA, LIFT, AND DRAG RELATIONSHIP

Номер: US20150148150A1

Автор: Bissonnette Laurent, Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf ball with a novel combination of spin rate, lift coefficient, drag coefficients, and optionally moment of inertia: a golf ball with a low spin rate, a high lift coefficient, a low drag coefficient, and optionally a high moment of inertia; and a golf ball with a high spin rate, a low lift coefficient, a low drag coefficient, and optionally a low moment of inertia. 1. A golf ball comprising a core and cover , wherein the golf ball comprises a moment of inertia of about 0.40 oz/inor less , the lift coefficient is less than about 0.20 , and the drag coefficient is less than about 0.22 at a Reynolds Number of about 145000 and a spin rate of about 3700 rpm , wherein the cover has a hardness of about 60 Shore D or less , wherein the core has an atti compression of about 80 or more and a Shore D hardness of about 65 or less , and wherein the golf ball has a coefficient of restitution of greater than about 0.80.2. The golf ball of claim 1 , wherein the cover has a hardness of about 50 Shore D or less.3. The golf ball of claim 1 , wherein the cover has a hardness of about 45 Shore D to about 55 Shore D.4. The golf ball of claim 1 , wherein the cover comprises an inner cover layer and an outer cover layer.5. The golf ball of claim 4 , wherein the inner cover layer has a first hardness and the outer cover layer has a second hardness less than the first hardness.6. The golf ball of claim 5 , wherein the first hardness is about 60 Shore D or greater and the second hardness is less than about 60 Shore D.7. The golf ball of claim 1 , wherein the core has a hardness of about 55 Shore D or less.8. The golf ball of claim 1 , wherein the core comprises polybutadiene and tungsten.9. The golf ball of claim 8 , wherein the cover comprises an inner cover and an outer cover claim 8 , and wherein the inner cover comprises a partially or fully neutralized ionomer.10. A golf ball comprising a core and cover claim 8 , wherein the golf ball comprises a moment of inertia of about 0.38 oz/ ...

Подробнее

Номер записи: 116

18-06-2015 дата публикации

Golf ball incorporating casing layer for core having steep hardness gradient and methods relating thereto

Номер: US20150165276A1

Автор: Derek A. Ladd, Mark L. Binette

Принадлежит: Acushnet Co

Golf ball comprising a core wherein the geometric center has a hardness X of from about 40 Shore C to about 75 Shore C and the first outer surface has a hardness Y of from about 75 Shore C to about 95 Shore C such that (15 Shore C)<(Y−X)≦(55 Shore C). A casing layer, disposed about the core, is formed from a high acid divalent ionomeric composition, and has a second outer surface having a hardness Z of from about 90 Shore C to about 100 Shore C wherein (20 Shore C)<(Z−X)≦(60 Shore C). Core Atti compression A is from about 40 to about 100; Atti compression B of the core and the casing layer, combined, is from about 55 to about 115 such that 1.05≦(B/A)≦1.75; and the overall golf ball Atti compression is from about 65 to about 120. Also, to methods of making the inventive golf balls.

Подробнее

Номер записи: 117

28-08-2014 дата публикации

Multi-layer core golf ball

Номер: US20140243113A1

Автор: Brian Comeau, Derek A. Ladd, Douglas S. Goguen, Michael J. Sullivan

Принадлежит: Acushnet Co

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a layer formed from a highly neutralized polymer composition, a layer formed from an additional thermoplastic composition, and an outermost layer formed from a thermoset rubber.

Подробнее

Номер записи: 118

04-09-2014 дата публикации

Multi-layer golf ball

Номер: US20140248978A1

Автор: Derek A. Ladd, Hebert C. Boehm, Michael J. Sullivan, William E. Morgan

Принадлежит: Acushnet Co

Golf balls consisting of a dual core and a dual cover are disclosed. The surface hardness of the outer core layer is greater than the material hardness of the inner cover layer, and is preferably 75 Shore C or greater.

Подробнее

Номер записи: 119

11-09-2014 дата публикации

MULTI-LAYERED CORES HAVING FOAM INNER CORE FOR GOLF BALLS

Номер: US20140256469A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layered golf ball core sub-assemblies and the resulting golf balls are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The intermediate core layer is preferably formed from a thermoplastic composition such as an ethylene acid copolymer ionomer resin; and the outer core layer is preferably formed from a thermoset composition such as polybutadiene rubber. The core layers have different hardness and specific gravity levels. The core structure and resulting ball have relatively good resiliency.

Подробнее

Номер записи: 120

23-06-2016 дата публикации

Golf ball compositions

Номер: US20160175659A1

Автор: Brian Comeau, Derek A. Ladd, Douglas S. Goguen, Michael J. Sullivan

Принадлежит: Acushnet Co

Disclosed herein are heterogeneous golf ball compositions comprising a matrix formed from a thermosetting or thermoplastic polymer composition and discrete particles dispersed within the matrix, and to the use of such heterogeneous compositions to form at least one core layer in multi-layer core golf balls.

Подробнее

Номер записи: 121

30-06-2016 дата публикации

GOLF BALLS WITH OXYGEN AND MOISTURE BLOCKING PROTECTIVE PAINT LAYER

Номер: US20160184651A1

Автор: Hebert Edmund A., Ladd Derek A., Nardacci Nicholas M.

Принадлежит: ACUSHNET COMPANY

The present invention relates to compositions for golf equipment that can be applied as a thin paint layer to block oxygen and moisture from underlying structural layers. The compositions include a polymer component present in a resin system, a stabilizing component, and porous particles. 1. A golf ball comprising a core and a cover , wherein at least one paint layer is disposed about the cover , wherein the paint layer is formed from a composition comprising:a polymer component;a paste comprising porous particles and a stabilizing component, wherein the porous particles have an average diameter between about 100 μm and about 500 μm, wherein the stabilizing component comprises a symmetrical copolymer comprising two alkylene oxide blocks having the same chain length surrounding an alkylene oxide block,wherein the paint layer has a thickness of about 100 μm to about 500 μm, and{'sup': '2', 'wherein the golf ball has a weight gain of about 15 grams per 100 inper day or less at 38° C. and 90 percent relative humidity.'}2. The golf ball of claim 1 , wherein the stabilizing component comprises two ethylene oxide blocks of the same chain length surrounding a propylene oxide block.3. The golf ball of claim 2 , wherein the stabilizing component comprises EO-PO-EOwhere x claim 2 , y claim 2 , and z represent chain length claim 2 , and wherein x and z are equal.4. The golf ball of claim 1 , wherein the porous particles have an average diameter of about 5 μm to about 75 μm.5. The golf ball of claim 1 , wherein the paint layer has an adhesion stability of about 95 percent or greater after 10 days in 110° F. in 100 percent humidity.6. The golf ball of claim 1 , wherein the paint layer has a thermal conductivity that ranges from about 0.03 to about 0.3 Btu/hr ft ° F.7. The golf ball of claim 1 , wherein the polymer component comprises polyesters claim 1 , epoxies claim 1 , urethanes claim 1 , cellulosics claim 1 , alkyds claim 1 , acrylics claim 1 , and mixtures and precursors ...

Подробнее

Номер записи: 122

28-06-2018 дата публикации

GOLF BALLS HAVING FOAM INNER CORE AND THERMOSET OUTER CORE LAYER

Номер: US20180178068A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed thermoset composition such as polybutadiene rubber. The inner and outer core layers can have different hardness gradients. Preferably, the specific gravity (density) of the foam inner core is less than the density of the outer core layer. The ball further includes a cover of at least one layer and may include at least one casing layer. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing the same or less than the Hto provide a zero or negative hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC', 'outer', 'inner, 'ii) an outer core layer comprising a thermoset material, the outer core layer being disposed about the inner core and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient, wherein the SG, is greater than the SG.'}2. The core assembly of claim 1 , wherein the inner core comprises a foamed polyurethane composition.3. The core assembly of claim 1 , wherein the thermoset material of the outer core is a polybutadiene rubber.4. The core assembly of claim 1 , wherein the His in the range of about 10 Shore C to about 50 Shore C and the His in the range of about 5 Shore ...

Подробнее

Номер записи: 123

23-07-2015 дата публикации

Polybutadiene Rubber / Ionomer Blends For Golf Balls Having Multi-Layered Cores and Covers

Номер: US20150202499A1

Автор: Derek A. Ladd, Michael J. Sullivan

Принадлежит: Acushnet Co

A multi-piece golf ball comprising at least one component made of a polybutadiene rubber/ionomer resin blend is provided. The ball preferably contains a multi-layered core comprising a center, intermediate core layer, and surrounding outer core layer. The polybutadiene rubber/ionomer resin blend is used preferably to form the outer core layer. Polybutadiene rubber compositions may be used to form the center and intermediate core layers. The ball further includes a cover having inner and outer cover layers. The surface hardness of the outer core layer is preferably greater than the material hardness of the outer and inner cover layers. The resulting ball has high resiliency and good impact durability.

Подробнее

Номер записи: 124

27-06-2019 дата публикации

Golf ball comprising medium hardness gradient core

Номер: US20190192922A1

Автор: Brian Comeau, Derek A. Ladd, Douglas E. Jones, Michael J. Sullivan

Принадлежит: Acushnet Co

A golf ball includes a core having an outer surface and a geometric center. The core is formed from a substantially homogenous rubber composition. An ionomeric inner cover layer is formed about the core and has a material hardness of about 60 Shore D or greater. The golf ball includes an outer cover layer formed from a polyurea or a polyurethane and having a material hardness of about 60 Shore D or less. The outer surface of the core has a trans content of about 12% or less and a hardness of about 71 to 88 Shore C. The geometric center of the core has a trans content of about 10% or less and a hardness of about 60 to 80 Shore C. The core has an outer surface hardness greater than a geometric center hardness by about 5 to 19 Shore C to define a positive hardness gradient.

Подробнее

Номер записи: 125

30-07-2015 дата публикации

MULTI-LAYERED COES FOR GOLF BALLS HAVING FOAM AND THERMOSET LAYERS

Номер: US20150209624A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layered golf ball core sub-assemblies and the resulting golf balls are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The intermediate and outer core layers are preferably formed from non-foamed thermoset compositions such as polybutadiene rubber. The core layers have different hardness and specific gravity levels. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing the same or less than the Hto provide a zero or negative hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a first thermoset material, the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC, 'iii) an outer core layer comprising a second thermoset material, the outer core layer being disposed about the intermediate core layer and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing the same or less than the Hto provide a zero or negative hardness gradient,'}{'sub': outer', 'inner', 'intermediate', 'inner, 'wherein the SG, is ...

Подробнее

Номер записи: 126

21-07-2016 дата публикации

MULTI-LAYER CORE GOLF BALL

Номер: US20160206927A1

Автор: Comeau Brian, Goguen Douglas S., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises at least three layers, including at least one thermoset layer and at least one thermoplastic layer. At least one core layer has a plurality of projections disposed thereon. 1. A golf ball comprising:an inner core layer formed from a first thermoset composition and having a diameter of from 0.50 inches to 1.30 inches;an intermediate core layer formed from a thermoplastic composition and comprising a plurality of projections disposed on the outer surface thereof;an outer core layer formed from a second thermoset composition; anda cover.2. The golf ball of claim 1 , wherein the projections are spaced apart from each other such that gaps are located between the projections claim 1 , and wherein the outer core layer is disposed about the intermediate core layer such that the outer core layer composition fills the gaps between the projections.3. The golf ball of claim 1 , wherein the inner core layer has a center hardness of 85 Shore C or less and an outer surface hardness of 30 Shore C or greater; the outer core layer has an outer surface hardness of 25 Shore C or greater; the outer surface hardness of the inner core layer is less than the center hardness; and the difference between the outer surface Shore C hardness of the outer core layer and the center Shore C hardness is from 1 to 40.4. The golf ball of claim 1 , wherein the inner core layer has a center hardness of 85 Shore C or less and an outer surface hardness of 50 Shore C or greater; the outer core layer has an outer surface hardness of 70 Shore C or greater; the outer surface hardness of the inner core layer is less than the center hardness; and the difference between the outer surface Shore C hardness of the outer core layer and the center Shore C hardness is from 1 to 30.5. The golf ball of claim 1 , wherein the inner core layer has a center hardness of 80 Shore C or less and an outer surface hardness of 30 ...

Подробнее

Номер записи: 127

06-08-2015 дата публикации

Golf Balls Having Cores Made of Polybutadiene Rubber Blends

Номер: US20150217165A1

Автор: Bulpett David A., Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-piece golf balls having a core made of a polybutadiene rubber blend are provided. The golf ball contains a multi-layered core. The inner core is formed from a blend containing a non-metallocene catalyzed polybutadiene rubber and metallocene-catalyzed polybutadiene rubber. The surrounding outer core layer is made of a non-metallocene-catalyzed polybutadiene rubber. Catalysts such as neodymium, nickel, and cobalt based catalysts may be used to make the non-metallocene catalyzed rubber. Catalysts such as ferrocene, cobaltocene, nickelocene, titanocene dichloride, zirconocene dichloride, and samraocene based catalysts may be used to make the metallocene-catalyzed rubber. The multi-layered core is surrounded by a cover having at least one layer. The resulting ball has high resiliency and a soft compression feel. 1. A golf ball , comprising: 'wherein the center of the inner core and surface of the outer core layer each has a hardness and the surface hardness of the outer core layer is greater than the center hardness of the inner core; and, wherein the non-metallocene catalyzed rubber has a first Mooney viscosity and the metallocene-catalyzed polybutadiene rubber has a second Mooney viscosity, the second Mooney viscosity being greater than the first Mooney viscosity, the cured rubber mixture being prepared by adding cured non-metallocene-catalyzed polybutadiene rubber to non-cured metallocene-catalyzed polybutadiene rubber and curing the mixture;', 'a) a dual core having an inner core and outer core layer, the inner core having an outer surface and geometric center and the outer core layer having an outer surface and inner surface; the inner core comprising a cured rubber mixture of about 50 to about 95% by weight non-metallocene-catalyzed polybutadiene rubber and about 5 to about 50% by weight metallocene catalyzed polybutadiene rubber, and the outer core layer comprising non-metallocene-catalyzed polybutadiene rubber with no metallocene-catalyzed polybutadiene ...

Подробнее

Номер записи: 128

13-08-2015 дата публикации

Negative Hardness Gradient Inner Core For Dual Core Golf Ball

Номер: US20150224368A1

Автор: Bulpett David A., Comeau Brian, Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball including an inner core having a first outer surface and a geometric center and being formed from a first substantially homogenous composition such that the inner core has a hardness of about 60 Shore C to about 90 Shore C; an outer core layer disposed about the inner core having a second outer surface and being formed from a second substantially homogenous composition such that the outer core layer has a hardness of about 60 Shore C to about 95 Shore C; and a cover layer disposed about the outer core layer. The geometric center and first and second outer surfaces each have a hardness, the hardness of the second outer surface being lower than the hardness of the geometric center to define a negative hardness gradient. 1. A golf ball comprising:an inner core having a first outer surface and a geometric center and being formed from a first substantially homogenous formulation throughout, the formulation comprising an antioxidant and an initiator present in a ratio of about 0.40 or greater when normalized to 100% activity, such that the inner core has a hardness of about 40 Shore C to 80 Shore C;an outer core layer disposed about the inner core having a second outer surface and an inner surface and being formed from a second substantially homogenous formulation throughout such that the outer core layer has a hardness of about 60 Shore C to 90 Shore C; anda cover layer;wherein the geometric center, the first and second outer surfaces, and the inner surface each have a hardness, the hardness of the second outer surface being greater than the inner surface hardness, the first outer surface hardness, and the geometric center hardness.2. The golf ball of claim 1 , wherein the outer core layer has a positive gradient of about 10 Shore C to about 20 Shore C.3. The golf ball of claim 2 , wherein the positive gradient is about 12 Shore C to about 18 Shore C.4. The golf ball of claim 1 , wherein the hardness of the second outer surface is about 65 Shore C to 86 Shore ...

Подробнее

Номер записи: 129

16-10-2014 дата публикации

MULTI-LAYERED COES FOR GOLF BALLS HAVING FOAM AND THERMOSET LAYERS

Номер: US20140309055A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-layered golf ball core sub-assemblies and the resulting golf balls are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The intermediate and outer core layers are preferably formed from non-foamed thermoset compositions such as polybutadiene rubber. The core layers have different hardness and specific gravity levels. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a first thermoset material, the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing the same or less than the Hto provide a zero or negative hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC, 'iii) an outer core layer comprising a second thermoset material, the outer core layer being disposed about the intermediate core layer and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient,'}{'sub': outer', 'inner', 'intermediate', 'inner, 'wherein the SG, is greater than the SG, ...

Подробнее

Номер записи: 130

18-07-2019 дата публикации

GOLF BALLS HAVING DUAL-LAYERED CORES WITH METAL-CONTAINING CENTERS AND DUAL-LAYERED COVERS

Номер: US20190217160A1

Автор: Binette Mark L., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-piece golf balls containing a dual-layered core and dual-layered cover are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity, and a surrounding outer core layer. The core layers may have different hardness gradients. The center of the core comprises a metal material such as copper, steel, brass, tungsten, titanium, aluminum, and combinations and alloys thereof preferably dispersed in a thermoplastic polymeric matrix. The outer core layer is preferably formed from a thermoset composition such as polybutadiene. The multi-layered cores and covers have selective specific gravity relationships between the different layers. This helps provide the ball with good flight distance and spin control. The resulting balls have good resiliency and other playing performance properties. 1. A golf ball having a multi-layered core , comprising:{'sub': inner core', 'inner core surface', 'inner core', 'inner core surface', 'inner core, 'i) an inner core comprising a metal material, the inner core having a diameter in the range of about 0.100 to about 1.100 inches, and a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient;'}{'sub': outer core', 'outer surface of OC', 'midpoint of OC', 'outer surface of OC', 'midpoint of OC', 'inner core', 'outer surface of OC, 'ii) an outer core layer comprising a thermoset material, the outer core layer being disposed about the inner core and having a thickness in the range of about 0.200 to about 1.200 inches, a specific gravity (SG), and an outer surface hardness (H) and a midpoint hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient; the inner core and outer core forming a core subassembly, wherein the His in the range of about 65 to about 90 Shore C and the His in the range of about 65 to about 96 Shore C to provide positive hardness gradient across ...

Подробнее

Номер записи: 131

09-07-2020 дата публикации

NON-CONFORMING GOLF BALLS MADE FROM PLASTICIZED THERMOPLASTIC MATERIALS

Номер: US20200215394A1

Автор: Binette Mark L., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls having a single or dual-layered solid core are provided. In one embodiment, the golf ball has dimensions and properties that do not conform to the rules of the United States Golf Association (USGA). For example, the ball weight; ball size; ball spherical symmetry; ball initial velocity; and/or ball overall distance may fall outside of the USGA standards. The dual-layered core can have an inner core comprising a thermoplastic composition and surrounding outer core comprising a thermoset composition. In another embodiment, the dual-layered core has an inner core comprising a thermoplastic composition and outer core comprising a thermoset composition. The thermoplastic composition preferably comprises an ethylene acid copolymer ionomer and plasticizer. The thermoset composition preferably comprises polybutadiene rubber. The ball further includes a cover of at least one layer. 1. A golf ball , comprising:{'sub': core surface', 'core center', 'core surface, 'claim-text': a) an acid copolymer of ethylene and an α,β-unsaturated carboxylic acid, optionally including a softening monomer selected from the group consisting of alkyl acrylates and methacrylates;', 'b) a plasticizer; and', 'c) a cation source present in an amount sufficient to neutralize from about 0 to about 100% of all acid groups present in the composition; and, 'i) a core comprising a thermoplastic composition, the core having an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the H core center to provide a positive hardness gradient, the thermoplastic composition comprising;'}ii) a cover disposed about the core, wherein the golf ball has at least one non-conforming property selected from the group consisting of ball weight; ball size; ball spherical symmetry; ball initial velocity; and ball overall distance.2. The golf ball of claim 1 , wherein the golf ball has a weight greater than 1.620 ounces as measured per Test Method for Weight of Ball.3. The golf ball of claim ...

Подробнее

Номер записи: 132

30-10-2014 дата публикации

GOLF BALLS HAVING FOAM INNER CORE AND THERMOSET OUTER CORE LAYER

Номер: US20140323244A1

Автор: Binnette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed thermoset composition such as polybutadiene rubber. Preferably, the specific gravity (density) of the foam inner core is less than the density of the outer core layer. The ball further includes a cover of at least one layer and may include at least one casing layer. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC', 'outer', 'inner, 'ii) an outer core layer comprising a thermoset material, the outer core layer being disposed about the inner core layer and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient, wherein the SG, is greater than the SG,'}2. The golf ball of claim 1 , wherein the inner core comprises a foamed polyurethane composition.3. The golf ball of claim 2 , wherein the foamed polyurethane composition is prepared from a mixture comprising polyisocyanate claim 2 , polyol claim 2 , and curing agent compounds claim 2 , and blowing agent claim 2 , the polyisocyanate being selected from the group consisting of toluene 2 claim 2 ,4-diisocyanate (TDI) claim 2 , toluene ...

Подробнее

Номер записи: 133

30-10-2014 дата публикации

MULTI-LAYER GOLF BALL

Номер: US20140323246A1

Автор: Boehm Hebert C., Ladd Derek A., Morgan William E., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

Golf balls consisting of a dual core and a dual cover are disclosed. The surface hardness of the outer core layer is greater than the material hardness of the inner cover layer, and is preferably 75 Shore C or greater. 1. A golf ball consisting essentially of:a center formed from a first rubber composition and having a diameter of from 0.75 inches to 1.19 inches, a center hardness of from 60 Shore C to 70 Shore C, and a surface hardness of from 75 Shore C to 85 Shore C;an outer core layer formed from a second rubber composition and having a surface hardness of 80 Shore C or greater;an inner cover layer formed from a thermoplastic composition and having a material hardness of less than 95 Shore C; andan outer cover layer formed from a thermosetting polyurethane or polyurea composition;wherein the surface hardness of the center is at least 10 Shore C units greater than the center hardness;wherein the surface hardness of the outer core layer is at least 20 Shore C units greater than the center hardness; andwherein the surface hardness of the outer core layer is greater than the material hardness of the inner cover layer.2. The golf ball of claim 1 , wherein the diameter of the center is from 0.85 inches to 1.15 inches.3. The golf ball of claim 1 , wherein the diameter of the center is from 0.875 inches to 1.125 inches.4. The golf ball of claim 1 , wherein the surface hardness of the outer core layer is greater than the material hardness of the outer cover layer.5. The golf ball of claim 1 , wherein the material hardness of the inner cover layer is from 80 Shore C to 95 Shore C.6. The golf ball of claim 1 , wherein the material hardness of the inner cover layer is from 84 Shore C to 92 Shore C.7. The golf ball of claim 1 , wherein the surface hardness of the outer core layer is at least 25 Shore C units greater than the center hardness. This application is a continuation of U.S. patent application Ser. No. 13/746,178, filed Jan. 21, 2013, which is a continuation of U.S. ...

Подробнее

Номер записи: 134

13-11-2014 дата публикации

Golf balls having dual cores made of polybutadiene rubber / ionomer blends

Номер: US20140335975A1

Автор: Derek A. Ladd, Michael J. Sullivan

Принадлежит: Acushnet Co

A multi-piece golf ball comprising at least one component made of a polybutadiene rubber/ionomer resin blend is provided. The ball preferably contains a dual-core comprising an inner core and surrounding outer core layer. Preferably, the polybutadiene rubber/ionomer resin blend is used to form the outer core layer. The center hardness of the inner core is preferably greater than the outer surface hardness of the outer cover layer. The resulting ball has high resiliency and good impact durability.

Подробнее

Номер записи: 135

24-09-2015 дата публикации

MULTI-LAYERED CORES HAVING FOAM INNER CORE FOR GOLF BALLS

Номер: US20150265879A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит:

Multi-layered golf ball core sub-assemblies and the resulting golf balls are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The intermediate core layer is preferably formed from a thermoplastic composition such as an ethylene acid copolymer ionomer resin; and the outer core layer is preferably formed from a thermoset composition such as polybutadiene rubber. The core layers have different hardness and specific gravity levels. In one preferred embodiment, the inner core has a positive hardness gradient, the intermediate core has a positive hardness gradient, and the outer core has a zero or negative hardness gradient. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a thermoplastic material, the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC, 'iii) an outer core layer comprising a thermoset material, the outer core layer being disposed about the intermediate core layer and having a thickness in the range of about 0.200 to ...

Подробнее

Номер записи: 136

11-12-2014 дата публикации

GOLF BALLS HAVING FOAM INNER CORE AND THEMOPLASTIC OUTER CORE

Номер: US20140364249A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит:

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed thermoplastic composition such as ethylene acid copolymer ionomer. Preferably, the specific gravity (density) of the foam inner core is less than the density of the outer core layer. The ball further includes a cover of at least one layer and may include at least one casing layer. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC', 'outer', 'inner, 'ii) an outer core layer comprising a thermoplastic material, the outer core layer being disposed about the inner core layer and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient, wherein the SG, is greater than the SG,'}2. The golf ball of claim 1 , wherein the inner core comprises a foamed polyurethane composition.3. The golf ball of claim 2 , wherein the foamed polyurethane composition is prepared from a mixture comprising polyisocyanate claim 2 , polyol claim 2 , and curing agent compounds claim 2 , and blowing agent claim 2 , the polyisocyanate being selected from the group consisting of toluene 2 claim 2 ,4-diisocyanate (TDI ...

Подробнее

Номер записи: 137

11-12-2014 дата публикации

GOLF BALL CORES HAVING FOAM CENTER AND THERMOPLASTIC OUTER LAYERS

Номер: US20140364250A1

Автор: Binette Mark L., Comeau Brian, Ladd Derek A., Michalewich Michael, Ricci Shawn, Sullivan Michael J.

Принадлежит:

Golf ball multi-layered core sub-assemblies and the resulting golf balls are provided. The core structure includes a foam inner core (center); and intermediate and outer core layers. Foamed polyurethane is preferably used to make the inner core. The intermediate and outer core layers are preferably made from non-foamed thermoplastic compositions such as ethylene acid copolymer ionomer. In an alternative version, the intermediate core layer may be made of a thermoset rubber such as polybutadiene. The core layers have different hardness and specific gravity levels. The core structure and resulting ball have relatively good resiliency. 1. A core assembly for a golf ball , comprising:{'sub': inner', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core layer comprising a foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, a specific gravity (SG), and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a thermoplastic or thermoset material, the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing the same or less than the Hto provide a zero or negative hardness gradient; and'}{'sub': outer', 'outer surface of OC', 'inner surface of OC', 'outer surface of OC', 'inner surface of OC, 'iii) an outer core layer comprising a thermoplastic material, the outer core layer being disposed about the intermediate core layer and having a thickness in the range of about 0.100 to about 0.750 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner ...

Подробнее

Номер записи: 138

11-12-2014 дата публикации

FOAM-CORE GOLF BALLS

Номер: US20140364251A1

Автор: Hebert Edmund A., Ladd Derek A., Sullivan Michael J.

Принадлежит: ACUSHNET COMPANY

A golf ball with a controlled moment of inertia and controlled spin rate is disclosed. The golf ball comprises a subassembly and a cover, the subassembly comprising an inner core and an intermediate layer, wherein the subassembly has a diameter of from about 1.45 inches to about 1.66 inches, the inner core has a diameter of less than about 0.75 inches, and the intermediate layer comprises a foamed polyurethane composition. The inner core has a specific gravity of higher than about 1.15, the intermediate layer has its specific gravity reduced to less than about 1.05, and the subassembly has its specific gravity reduced up to about 8% such that the coefficient of restitution of the subassembly is controlled by or is substantially the same as the coefficient of restitution of the intermediate layer, and the golf ball has its coefficient of restitution reduced by less than about 6%. 1. A golf ball comprising a subassembly and a cover , the subassembly comprising an inner core and an intermediate layer , wherein the subassembly has a diameter of from about 1.45 inches to about 1.66 inches , the inner core has a diameter of less than about 0.75 inches and a specific gravity of higher than about 1.15 , the intermediate layer comprises a foamed polyurethane composition and has its specific gravity reduced to less than about 1.05 , and the subassembly has its specific gravity reduced up to about 8% such that the coefficient of restitution of the subassembly is controlled by or is substantially the same as the coefficient of restitution of the intermediate layer and the golf ball has its coefficient of restitution reduced by less than about 6%.2. The golf ball of claim 1 , wherein the intermediate layer comprises an outer core.3. The golf ball of claim 1 , wherein the intermediate layer comprises an inner cover.4. The golf ball of claim 1 , wherein the intermediate layer comprises a mantle layer.5. The golf ball of claim 1 , wherein the foamed polyurethane composition ...

Подробнее

Номер записи: 139