Golf ball with metal core

Title: Golf ball with metal core

Related Patent Categories: Games Using Tangible Projectile, Golf, Ball, Particular Unitary Or Layered Construction

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20060089209, Golf ball with metal core.

1. A golf ball comprising: a core having a diameter of 0.50 inch to 0.750 inch, the core having a metal wall with a thickness of 0.100 inch to 0.250 inch which defines a hollow interior, the core having a mass ranging from 20 grams to 35 grams; and a cover layer disposed over and adhesively bonded to the core, the cover layer having a thickness ranging from 0.450 inch to 0.600 inch, the cover layer composed of a highly neutralized terpolymer and a fatty acid based moity, the cover layer having a Shore D hardness ranging 45 to 55; wherein the golf ball has PGA compression ranging from 85 to 110, and the golf ball has a mass ranging from 44 grams to 46 grams; wherein the golf ball has a coefficient of restitution at 143 feet per second greater than 0.8150.

2. The golf ball according to claim 1 wherein the metal wall is composed of a stainless steel.

3. The golf ball according to claim 1 further comprising an aerodynamic surface geometry on a surface of the cover layer.

4. The golf ball according to claim 1 wherein the golf ball has a diameter of 1.68 inches to 1.70 inches.

5. The golf ball according to claim 1 wherein the fatty-acid based moity is selected from the group consisting of calcium sterate, magnesium sterate, zinc sterate and lithium sterate.

6. The golf ball according to claim 1 wherein the core has a mass ranging from 25 to 30 grams.

7. The golf ball according to claim 1 wherein the cover layer has a mass ranging from 15 grams to 21 grams.

8. (canceled)

9. The golf ball according to claim 1 wherein the terpolymer is composed of ethylene.

10. A golf ball comprising: a core having a diameter of 0.50 inch to 0.750 inch, the core having a metal wall with a thickness of 0.100 inch to 0.250 inch which defines a hollow interior, the core having a mass ranging from 20 grams to 35 grams; and a single cover layer disposed over and chemically bonded to the core, the cover layer having a thickness ranging from 0.450 inch to 0.600 inch, the cover layer having a Shore D hardness ranging 45 to 55, the cover layer composed of a thermoplastic polymer consisting essentially of at least one E/X/Y copolymer where E is ethylene, X is a C.sub.3 to C.sub.8 , .beta. ethylenically unsaturated carboxylic acid, and Y is a softening co-monomer of the E/X/Y copolymer, wherein X is about 3-30 wt. % of the E/X/Y copolymer or partially neutralized ionomers thereof, and Y is about 0-30 wt. % of the E/X/Y copolymer; and at least one aliphatic, mono-functional organic acid having less than 36 carbon atoms or salts thereof being present in the range of about 25 to about 150 parts per hundred parts by weight of the E/X/Y copolymer, wherein greater than 90% of all the acid of the E/X/Y copolymer and the aliphatic, mono-functional organic acid is neutralized with a cation source; wherein the golf ball has PGA compression ranging from 85 to 110, and the golf ball has a mass ranging from 44 grams to 46 grams; wherein the golf ball has a coefficient of restitution at 143 feet per second greater than 0.8150.

Brief Patent Description - Full Patent Description - Patent Claims

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Previous Patent Application:
Golf club head composed of damascene patterned metal
Next Patent Application:
Golf ball with soft core
Industry Class:
Games using tangible projectile

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