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Golf ball with very low compression and high cor

Inactive Publication Date: 2010-04-08
CALLAWAY GOLF CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0016]The present invention provides a golf ball with a very low compression and a high coefficient of restitution. The present invention is able to achieve these results by providing a core with a compression less than 45, a cover with a Shore D hardness less than 60 and a thickness ranging from 0.035 to 0.050 inch, and a ball coefficient of restitution greater than 0.780.

Problems solved by technology

The prior art fails to disclose a golf ball with a very low PGA compression and a high coefficient of restitution.

Method used

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  • Golf ball with very low compression and high cor
  • Golf ball with very low compression and high cor
  • Golf ball with very low compression and high cor

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Embodiment Construction

[0024]As shown in FIG. 1, a golf ball 20 includes a core 25 and a cover 30. The core 25 is a solid core and cover 30 is disposed on the core 25. Preferably, the core 25 is compression molded into a spherical shape and the cover 30 is injection molded over the core 25.

[0025]The golf ball 20 preferably has a diameter of at least 1.68 inches and a mass of approximately 45 grams. The golf ball 20 preferably has a coefficient of restitution (“COR”) of at least 0.780, more preferably at least 0.790, and most preferably at least 0.8. The golf ball 20 preferably has an aerodynamic surface pattern such as disclosed in U.S. Pat. No. 7,566,281, which is hereby incorporated by reference.

[0026]The core 25 is preferably composed of a polybutadiene-based mixture generally comprising a single neodymium-catalyzed polybutadiene, zinc oxide, zinc stearate, peroxide and zinc pentachlorothiophenol. The polybutadiene is preferably present in an amount ranging from 55 to 75 weight percent of the core, mor...

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PUM

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Abstract

A golf ball having a very low compression and a high COR is disclosed herein. The core preferably comprises a single neodymium-catalyzed polybutadiene, and has a diameter ranging from 1.575 inch to 1.62 inch with a compression ranging from 20 to 45. The cover preferably has a thickness ranging from 0.038 inch to 0.045 inch, and a Shore D hardness ranging from 50 to 58. The golf ball preferably has a coefficient of restitution of at least 0.780, and a compression ranging from 35 to 50.

Description

CROSS REFERENCES TO RELATED APPLICATIONS[0001]The Present Application is a continuation-in-part application of U.S. patent application Ser. No. 12 / 469470, filed on May 20, 2009, and claims priority to U.S. Provisional Patent Application No. 61 / 102918, filed on Oct. 6, 2008, which is hereby incorporated by reference in its entirety.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]Not ApplicableBACKGROUND OF THE INVENTION[0003]1. Field of the Invention[0004]The present invention relates to a golf ball. More specifically, the present invention relates to a golf ball with a low PGA compression and a high coefficient of restitution.[0005]2. Description of the Related Art[0006]The prior art discloses various two-piece golf balls.[0007]Sullivan et al., U.S. Pat. No. 4,911,451, for a Golf Ball Cover Of Neutralized Poly(ethylene-acrylic acid)Copolymer, discloses in Table One a golf ball[0008]having a compression of below 50 and a cover composed of ionomers having various ...

Claims

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Application Information

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IPC IPC(8): A63B37/00
CPCA63B37/0003A63B37/0031A63B37/0033A63B37/006A63B37/0062A63B37/0087A63B37/0065A63B37/0067A63B37/0078A63B37/008A63B37/0064
Inventor OGG, STEVEN S.BARTELS, DAVID M.
Owner CALLAWAY GOLF CO
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