Claims
- 1. A solid golf ball having a diameter of less than about 1.70 inches, comprising:a core formed from a rubber base material having a resilience index of at least about 40 and an outer diameter of at least about 1.58 inches; and a cover disposed about the core formed of a material having a Shore D hardness of less than about 65.
- 2. The golf ball of claim 1, wherein the core has an outer diameter at least about 1.59 inches.
- 3. The golf ball of claim 1, wherein the rubber base material has a Mooney viscosity of greater than about 40.
- 4. The golf ball of claim 1, wherein the rubber base material has a Mooney viscosity of about 45 to about 65.
- 5. The golf ball of claim 1, wherein the core has a COR of at least about 0.75.
- 6. The golf ball of claim 1, wherein the core has a COR of at least about 0.80.
- 7. The golf ball of claim 1, wherein the core has a compression of less than about 75.
- 8. The golf ball of claim 1, wherein the core has a compression of about 60 to about 75.
- 9. The golf ball of claim 1, wherein the core comprises a filler material having a specific gravity of greater than about 4.
- 10. The golf ball of claim 1, wherein the core comprises a filler material having a specific gravity of greater than about 10.
- 11. The golf ball of claim 10, wherein the filler material comprises tungsten.
- 12. The golf ball of claim 1, wherein the cover is formed of a material having a hardness of up to about 60 Shore D.
- 13. The golf ball of claim 1, wherein the cover is formed of a material having a hardness of up to about 55 Shore D.
- 14. The golf ball of claim 1, wherein the cover comprises a polyurethane.
- 15. The golf ball of claim 1, wherein the cover comprises a blend of at least one ionomer and at least one metallocene-catalyzed polymer.
- 16. The golf ball of claim 15, wherein the cover comprises at least about 10 weight percent metallocene-catalyzed polymer.
- 17. The golf ball of claim 15, wherein the cover comprises about 15 to 60 weight percent metallocene-catalyzed polymer.
- 18. The golf ball of claim 1, wherein at least one of the core or cover is formed of at least about 80% trans-isomer polybutadiene.
- 19. The golf ball of claim 1, wherein at least one of the core or cover is formed of about 10% to 80% trans-isomer polybutadiene.
- 20. The golf ball of claim 1, wherein the core comprises a rubber material having a molecular weight of greater than about 300,000.
- 21. The golf ball of claim 1, wherein the core comprises a material with a Mooney viscosity of at least about 40 and a filler comprising regrind.
- 22. The golf ball of claim 1, wherein the core compression is about 90 or less.
- 23. The golf ball of claim 22, wherein the core compression is about 80 or less.
- 24. A two-piece golf ball having a diameter of less than about 1.70 inches, comprising:a core formed from a rubber base material having a molecular weight of at least about 300,000 and an outer diameter of at least about 1.58 inches; and a cover disposed about the core formed of a material having a Shore D hardness of less than about 65.
- 25. The golf ball of claim 24, wherein the rubber base material has a Mooney viscosity of greater than about 40.
- 26. The golf ball of claim 24, wherein the core has a COR of at least about 0.80.
- 27. The golf ball of claim 24, wherein the core has a compression of less than about 75.
- 28. The golf ball of claim 24, wherein the core comprises a filler material having a specific gravity of greater than about 10.
- 29. The golf ball of claim 24, wherein the cover is formed of a material having a hardness of up to about 55 Shore D.
- 30. A two-piece golf ball having a diameter of less than about 1.70 inches, comprising:a core formed from a rubber base material having a Mooney viscosity of greater than about 40, wherein the core has a compression of less than about 75 and an outer diameter of at least about 1.58 inches; and a cover disposed about the core formed from a material having a Shore D hardness of less than about 60.
- 31. The golf ball of claim 30, wherein the core is formed from a rubber base material having a Mooney viscosity of about 50 to about 70.
- 32. The golf ball of claim 30, wherein the core has a COR of at least about 0.80.
- 33. The golf ball of claim 30, wherein the core comprises a filler material having a specific gravity of greater than about 10.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of U.S. application Ser. No. 09/027,559, filed Feb. 23, 1998, now U.S. Pat. No. 6,218,453, which is a continuation-in-part of U.S. application Ser. No. 08/606,373, now U.S. Pat. No. 5,721,304, filed Feb. 23, 1996, the contents of which are both incorporated herein by express reference thereto.
US Referenced Citations (44)
Foreign Referenced Citations (5)
Number |
Date |
Country |
779825 |
Mar 1968 |
CA |
0 490 619 |
Jun 1992 |
EP |
2 277 932 |
Nov 1994 |
GB |
WO 9500212 |
Jan 1995 |
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WO 9730763 |
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Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
09/027559 |
Feb 1998 |
US |
Child |
09/800775 |
|
US |
Parent |
08/606373 |
Feb 1996 |
US |
Child |
09/027559 |
|
US |