| Patent Number |
Title Of Patent |
Date Issued |
| 5494631 |
Apparatus and method for manufacturing golf ball |
February 27, 1996 |
| A pair of semispherical molds, each having dimple-forming projections on a connecting portion is used to shape a resinous material into a golf ball having dimples on a seam corresponding to the connecting portion. A ball fixing means is utilized to hold the golf ball thereto with the sea |
| 5472330 |
Apparatus for manufacturing a golf ball |
December 5, 1995 |
| An apparatus for removing the burr from the seam of a golf ball made using a pair of semispherical molds each having dimple-forming projections on a connecting portion to shape resin into a golf ball having dimples on a seam corresponding to the connecting portion. A ball fixing mechanis |
| 5338039 |
Golf ball |
August 16, 1994 |
| A golf ball having a plurality of dimples on a surface thereof characterized in that more than 40% of all dimples are polygonal in shape and have a double slope in section having a straight first slope and a straight second slope continued radially inwardly from the first slope, and |
| 5292132 |
Golf ball |
March 8, 1994 |
| In a golf ball having dimples and lands other than the dimples formed on the surface thereof, dimples are arranged so that less than 40 lands are provided which contain a rectangle having a short side greater than 0.4 mm and an area greater than 0.8 mm.sup.2 and not including a part of t |
| 5190294 |
Golf ball |
March 2, 1993 |
| A golf ball has no great circles intersecting dimples. A method for manufacturing the golf ball uses the steps of molding the golf ball with a pair of semispherical molds having many dimple patterns formed on the inner surface thereof so as to form first dimples on the surface of the |
| 5174578 |
Golf ball |
December 29, 1992 |
| A golf ball having 280 to 540 dimples including plural types of dimples of different surface configurations such as circular dimples or regular polygonal dimples formed thereon. The percentage of dimples unadjacent to dimples of different surface configurations is less than 30 of the tot |
| 5156404 |
Golf ball |
October 20, 1992 |
| A golf ball has one great circle and four one-half great circles which all intersect no dimples. Eight end points which include two end points of each one-half great circle are formed at the one great circle. These end points do not coincide with each other on the great circle. One of th |
| 5145180 |
Golf ball |
September 8, 1992 |
| A golf ball has dimples arranged in eight spherical equilateral triangles obtained by projecting, on the imaginary spherical surface of the golf ball, the ridge lines of a regular octahedron inscribing the imaginary spherical surface. Three great circles corresponding to the ridge lines |
| 5143377 |
Golf ball |
September 1, 1992 |
| A golf ball having circular dimples and noncircular dimples arranged in different percentages depending on the spherical zones, whereby a favorable aerodynamic property is obtained by eliminating the difference in trajectories between line hitting and face hitting. |
| 5127655 |
Golf ball |
July 7, 1992 |
| A golf ball with dimples disposed in a regular octahedral arrangement having a superior symmetrical property so as to arrange dimples symmetrically in each of numerously divided regions without deteriorating the symmetrical property of the golf ball and by varying volumes of dimples |
| 5123652 |
Golf ball |
June 23, 1992 |
| The present invention relates to a golf ball having dimples and a plurality of great circles unintersecting the dimples in which the specification of the dimples is set 1.02.ltoreq.VL/VF.ltoreq.1.20 where L is a zone ranging from each of the great circles to each of the circumferences co |
| 5092604 |
Golf ball |
March 3, 1992 |
| The method of making a family of golf balls, each ball having substantially identical carry characteristics in both the pole and seam hitting modes and having between 300 and 600 dimples arranged on the spherical surfaces thereof, comprising the steps:projecting a cubic octahedron (2) on |
| 5090705 |
Golf ball |
February 25, 1992 |
| A golf ball which comprises a spherical surface having a parting line at its equator and having a plurality of dimples formed thereon,wherein the dimples are formed so that the ratio, y, of the sum total of the flat surface area of the dimples to the surface area of the same sphere havin |
| 5078402 |
Golf ball |
January 7, 1992 |
| A golf ball which includes a spherical surface circumscribing a cubic octahedron, eight spherical triangles (4) and six sperical squares (5) divided by imaginary lines obtained by projecting edge lines (3) of the cubic octahedron (2) onto the spherical surface, and dimples (D) arranged |
| 5072945 |
Golf ball |
December 17, 1991 |
| A golf ball having a spherical surface with a great circle zone along a parting line, the surface being divided by a central angle .theta. of the sphere of 10.degree..ltoreq..theta.<60 above and below the parting line to form a central S region and a polar P region. A plurality of kin |
| 5072944 |
Three-piece solid golf ball |
December 17, 1991 |
| Disclosed is a large size three piece solid golf ball comprising a center, an outer layer covering said center to form a solid core and a cover covering said solid core, wherein said center has a diameter of 15 to 24 mm and a center hardness of 25 to 50 (JIS-C), prepared from a rubber |
| 5005838 |
Golf ball |
April 9, 1991 |
| The present invention is directed to a golf ball wherein a projection is circularly formed on the bottom of a dimple so as to increase the drag coefficient of the golf ball, whereby the golf ball can be prevented from flying a long distance.Supposing that the largest diameter of said pro |
| 5002281 |
Three-piece solid golf ball |
March 26, 1991 |
| Disclosed is a three-piece solid golf ball comprising a solid core consisting of an inner core and an outer shell surrounding said inner core, and a cover covering said solid core, characterized in that a diameter of said inner core is 29 to 36 mm, a diameter of said solid core is 37 |
