Wilson Sporting Goods Co.

Dunlop Maxfli Sports Corp.

Dunlop Sports

Dunlop Slazenger Group Americas

Dunlop Sports Group Americas Inc

Dunlop Slazenger Sports

Lane D Lemons

Matthew B Stanczak

Sanjay M Kuttappa

George Wallace

Robert T Thurman

Frank M Simonutti

John A Calabria

Jens A John

A golf ball () in accordance with the principles of the present invention has a core () with a low compression, but has at least two additional layers () that provide for increased durability and control. The core () is formed of a polybutadiene compound that produces a zero (or less) compression. The mantle () is molded around the core () using terpolymers, which are comprised of ethylene, acrylic acid and n-butyl acrylate, with 100% of the acrylic acid groups neutralized with metal ions. The mantle (), when molded, yields a deflection of greater than 0.170 inches under an applied static load of 200 lb. This correlates to a PGA compression of between about &#x2212;20 and 15. The cover () is molded using conventional ionomers and 'very low modulus' ionomers (V.L.M.I.), and has a hardness of between about 50 and 75 on a Shore D scale.

Low compression golf ball

The present invention provides a golf ball having a plurality of dimples arranged on its outer surface, selected from two sets of dimples, the first set having a single radius cross section and the second set having a dual radius cross section. The dimples are arranged on the surface of the ball according to the rhombicosadodecahedron.

Golf ball with three dimple types

A urethane-covered three-piece golf ball with a liquid-filled center, having a combination of center weight, thread windings, dimple configuration and compression that allows it to travel great distances, and to match the classic feel of 'Balata' balls, said combination at the same time complying with USGA regulations.

Polyurethane covered three-piece golf ball

A two piece golf ball has a core compression in the range of 77 PGA to 87 PGA, a core diameter in the range of about 1.532 inches to 1.548 inches, a cover hardness in the range of 66 to 72 Shore D, and a dimple pattern based on the geometry of a truncated octahedron. A ball having such characteristics exhibits superior distance performance without compromising shot-making feel.

Two piece distance golf ball

A two piece golf ball has a core compression in the range of 67 PGA to 77 PGA, a core diameter in the range of about 1.535 inches to 1.545 inches, a cover hardness in the range of 65 to 71 Shore D, and a dimple pattern based on the geometry of a rhombicosadodecahedron. An uninterrupted equatorial great circle path, corresponding to a mold parting line, is provided in the design for forming a cover of the golf ball in two parts. A ball having such characteristics exhibits superior distance performance without compromising shot-making feel.

Large core golf ball

A golf ball is formed from a core, a lattice, and a cover which surrounds the lattice and the core. The lattice is provided with openings which expose portions of the core.

Golf ball with lattice structure

A two piece golf ball has a core compression in the range of 77 PGA to 87 PGA, a core diameter in the range of about 1.535 inches to 1.545 inches, a cover hardness in the range of 53 to 59 Shore D, and a dimple pattern based on the geometry of a rhombicosadodecahedron. An uninterrupted equatorial great circle path, corresponding to a mold parting line, is provided in the design for forming a cover of the golf ball in two parts. A ball having such characteristics exhibits superior distance performance without compromising shot-making feel.

Elastic core golf ball

A golf ball having between 1,000 and 2,500 dimples and a plurality of secondary depressions between said dimples on the exterior surface thereof. The secondary depressions are of spherical cross section and may be uniformly or randomly placed on the surface of the ball. The secondary depressions are of a depth from 0.001' to 0.005' and a diameter from 0.01' to 0.05'. The invention allows for decreased in-flight drag forces compared to a golf ball without the claimed secondary depressions.

Growing community of inventors

Jackson, TN, United States of America

Lane D Lemons