US2015119169A1PendingUtilityA1

Golf ball compositions

50
Assignee: ACUSHNET COPriority: Oct 30, 2013Filed: Oct 30, 2013Published: Apr 30, 2015
Est. expiryOct 30, 2033(~7.2 yrs left)· nominal 20-yr term from priority
Inventors:Michael J. SullivanMark L. BinetteRobert BlinkDavid A. BulpettBrian Comeau
A63B 37/0075A63B 37/0092A63B 37/0086A63B 37/0049A63B 37/0076A63B 37/0043
50
PatentIndex Score
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Claims

Abstract

Disclosed herein are multilayer golf balls having a layer with a higher hardness and a lower flexural modulus than another layer.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         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, and   wherein the flexural modulus of the first composition is less than the flexural modulus of the second composition.   
     
     
         2 . The golf ball of  claim 1 , wherein the first composition has a Shore C hardness of 86 or greater. 
     
     
         3 . The golf ball of  claim 1 , wherein the first composition has a flexural modulus of 40 ksi or less. 
     
     
         4 . The golf ball of  claim 1 , wherein the second composition has a Shore C hardness of 86 or less. 
     
     
         5 . The golf ball of  claim 1 , wherein the second composition has a flexural modulus of 41 ksi or greater. 
     
     
         6 . A golf ball comprising:
 a solid, single layer core formed from a first composition,   an inner cover layer formed from a second composition, and   an outer cover layer,   wherein the first composition has a higher Shore C hardness than the second composition, and   wherein the first composition has a lower flexural modulus than the second composition.   
     
     
         7 . The golf ball of  claim 6 , wherein the first composition has a Shore C hardness of 86 or greater. 
     
     
         8 . The golf ball of  claim 6 , wherein the first composition has a flexural modulus of 40 ksi or less. 
     
     
         9 . The golf ball of  claim 6 , wherein the second composition has a Shore C hardness of 86 or less. 
     
     
         10 . The golf ball of  claim 6 , wherein the second composition has a flexural modulus of 41 ksi or greater. 
     
     
         11 . A golf ball comprising:
 an inner core layer,   an outer core layer,   an inner cover layer, and   an outer cover layer;   wherein the composition used to form the outer core layer has a higher Shore C hardness than the composition used to form the inner cover layer; and   wherein the composition used to form the outer core layer has a lower flexural modulus than the composition used to form the inner cover layer.   
     
     
         12 . The golf ball of  claim 11 , wherein the outer core layer composition has a Shore C hardness of 86 or greater. 
     
     
         13 . The golf ball of  claim 11 , wherein the outer core layer composition has a flexural modulus of 46 ksi or less. 
     
     
         14 . The golf ball of  claim 11 , wherein the inner cover layer composition has a Shore C hardness of 86 or less. 
     
     
         15 . The golf ball of  claim 11 , wherein the inner cover layer composition has a flexural modulus of 48 ksi or greater. 
     
     
         16 . A golf ball comprising:
 a solid, single layer core formed from a first composition,   an inner cover layer formed from a second composition, and   an outer cover layer,   wherein the second composition has a higher Shore C hardness than the first composition, and   wherein the second composition has a lower flexural modulus than the first composition.   
     
     
         17 . The golf ball of  claim 16 , wherein the first composition has a Shore C hardness of 86 or less. 
     
     
         18 . The golf ball of  claim 16 , wherein the first composition has a flexural modulus of 41 ksi or greater. 
     
     
         19 . The golf ball of  claim 16 , wherein the second composition has a Shore C hardness of 86 or greater. 
     
     
         20 . The golf ball of  claim 16 , wherein the second composition has a flexural modulus of 40 ksi or less.

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