Low spin golf ball
AssigneeLisco, Inc.
InventorsMichael J. Sullivan, R. Dennis Nesbitt
Life of this patent
Estimating the term…
Abstract
The present invention is directed to a golf ball comprising a soft diene polymer core and a hard ionomer resin cover to produce a resulting molded golf ball having a reduced spin rate of not greater than 7643 revolutions per minute when struck with a No. 9 iron at a head speed of 105 feet per minute and a launch angle of 26 to 34 degrees rate. The golf ball of the present invention has an enlarged diameter which serves to further reduce spin rate. The resulting golf ball exhibits properties of reduced spin without sacrificing durability, playability and resilience. The core has a Riehle compression of at least 0.075, and the cover has a Shore D hardness of at least 65.
Claims12
A golf ball, comprising:
- a core comprising a diene polymer having a Riehle compression of at least 0.075;
- and
- a cover comprising an ionomer resin and having a Shore D hardness of at least 65, and the spin rate of said golf ball being not greater than 7,643 revolutions per minute when struck with a No. 9 iron at a head speed of 105 feet per second and a launch angle of 26 to 34 degrees.
A molded golf ball comprising a core comprising a diene polymer and a cover comprising an ionomer resin and wherein said core has a Riehle compression of 0.075 to 0.115, and wherein said cover has a shore D hardness of at least 65 and a thickness of 0.0675 to 0.130 inches, and the spin rate of said golf ball being not greater than 7,643 revolutions per minute when struck with a No. 9 iron at a head speed of 105 feet per second and a launch angle of 26 to 34 degrees.
Dependencies are inferred from the claim text.