Claims
- 1. A method of manufacturing a golf ball having dimples in the outer periphery thereof comprising the steps of:
- (A) selecting a golf ball structure onto the surface of which dimples can be molded;
- (B) determining the dimple number, dimple diameter and dimple depth by:
- (a) selecting the number of dimples to be used, the said number of dimples being between 182 and 392;
- (b) selecting a dimple diameter and dimple depth that satisfy the following relationship: ##EQU2## in which: S=a value of 0 to 1.0
- d=average depth of all dimples in inches
- D=average diameter of all dimples in inches
- and wherein:
- a value N is obtained by dividing the exact number of dimples by 100, and x, y, a and b are defined by the following relations as functions of N:
- when the number of dimples is between 182 and 332:
- y=0.323-0.0896N+0.0122N.sup.2
- x=0.0186-0.00406N+0.000550N.sup.2
- a=6.30-3.30N+0.693N.sup.2
- b=3.11-1.03N+0.155N.sup.2
- and when the number of dimples is between 333 and 392:
- y=0.287-0.0383N
- x=0.0162-0.00150N
- a=4.66-0.500N
- b=5.00-1.08N
- (C) making golf ball molds by positioning the selected dimples on the golf ball mold so that the surface of the golf ball made therefrom will have at least 80% of the distances between the closest points of the edges of adjacent dimples less than about 0.065 inches, and at least 55% of the distances between the closest points of the edges of adjacent dimples greater than 0.001 inches the edge of the dimples being defined as the point of intersection of the periphery of the golf ball or its continuation and a tangent to the sidewall of the dimples at a point 0.003 inches below the periphery of the golf ball or its continuation;
- (D) forming the dimples on the surface of the golf ball by molding a golf ball in the mold;
- (E) removing the formed golf ball from the mold; and
- (F) finishing the golf ball.
- 2. The method of claim 1 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is less than 0.065 inches.
- 3. The method of claim 1 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distance between the edges of adjacent dimples is greater than 0.001 inches.
- 4. The method of claim 1 wherein the dimples are circular.
- 5. The method of claim 1 wherein the selected number of dimples is from 182 to 332 and x, y, a and b are defined by the following relations as functions N:
- y=0.323-0.0896N+0.0122N.sup.2
- x=0.0186-0.00406N+0.000550N.sup.2
- a=4.54-2.78N+0.674N.sup.2
- b=3.09-1.97N+0.412N.sup.2.
- 6. The method of claim 5 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of the adjacent dimples is less than 0.065 inches.
- 7. The method of claim 6 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is greater than 0.001 inches.
- 8. The method of claim 6 wherein the dimples are circular.
- 9. The method of claim 1 wherein the selected number of dimples is from 333 to 392 and x, y, a and b are defined by the following relations as functions of N:
- y=0.287-0.0383N
- x=0.0162-0.00150N
- a=4.66-0.500N
- b=5.00-1.08N.
- 10. The method of claim 9 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is less than 0.0065 inches.
- 11. The method of claim 9 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of the adjacent dimples is greater than 0.001 inches.
- 12. The method of claim 9 wherein the dimples are circular.
- 13. The method of claim 1 wherein the selected number of dimples is from 182 to 332 and x, y, a and b are defined by the following relations as functions of N:
- y=0.323-0.0896N+0.0122N.sup.2
- x=0.0186-0.00406N+0.000550N.sup.2
- a=6.30-3.30N+0.693N.sup.2
- b=3.09-1.97N+0.412N.sup.2.
- 14. The method of claim 13 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is less than 0.065 inches.
- 15. The method of claim 13 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is greater than 0.001 inches.
- 16. The method of claim 15 wherein the dimples are circular.
- 17. The method of claim 1 wherein the selected number of dimples is from 333 to 392 and x, y, a and b are defined by the following relations as functions of N:
- y=0.240-0.0242N
- x=0.0225-0.00340N
- a=13.6-3.28N
- b=5.25-1.25N.
- 18. The method of claim 17 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is less than 0.065 inches.
- 19. The method of claim 17 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is greater than 0.001 inches.
- 20. The method of claim 17 wherein the dimples are circular.
- 21. The method of claim 17 wherein the selected number of dimples is from 315 to 340 and x, y, a and b are as follows:
- x=0.0117
- y=0.156
- a=1.1
- b=0.55.
- 22. The method of claim 21 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is less than 0.065 dimples.
- 23. The method of claim 21 wherein the positioning of the selected dimples in the surface of the golf ball is such that 100% of the closest distances between the edges of adjacent dimples is greater than 0.001 inches.
- 24. The method of claim 21 wherein the dimples are circular.
Parent Case Info
The present application is a divisional application of application Ser. No. 213,056 filed Dec. 4, 1980 which in turn was a continuation of application Ser. No. 091,087 filed Nov. 5, 1979 and now abandoned, which in turn was a continuation of application Ser. No. 920,396 filed June 29, 1978 and now abandoned, which in turn was a continuation of application Ser. No. 816,882 filed July 18, 1977 and now abandoned, which in turn was a continuation of application Ser. No. 716,100 filed Aug. 20, 1976 and now abandoned, which in turn was a continuation of application Ser. No. 363,353 filed May 24, 1973 and now abandoned, which in turn was a continuation-in-part of application Ser. No. 236,318 filed Mar. 20, 1972 and now abandoned.
US Referenced Citations (5)
Divisions (1)
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Number |
Date |
Country |
Parent |
213056 |
Dec 1980 |
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Continuations (5)
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Number |
Date |
Country |
Parent |
91087 |
Nov 1979 |
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Parent |
920396 |
Jun 1978 |
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Parent |
816882 |
Jul 1977 |
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Parent |
716100 |
Aug 1976 |
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Parent |
363353 |
May 1973 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
236318 |
Mar 1972 |
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