Patent ID: 7201862
Filing Date: 2007-04-10
Classification: A63B,B29C,B29L

Abstract:
1. A method of the production of a golf ball which comprises: a molding step in which a precursor ball body having dimples with a size in the meridional direction being greater than a size in the latitudinal direction, in the vicinity of the equatorial line, is formed with a mold; and a removing step in which a flash generated on a seam resulting from the mold is removed along with reduction of a size in the meridional direction of the dimple through grinding the vicinity of the equatorial line whereby a planar shape of the dimple is caused to become a substantially perfect circle or substantially a regular hexagon, thereby producing said golf ball, wherein the dimples of said precursor golf ball obtained by said molding step have a shape in which the in-depth direction is different from the normal direction of the dimples of said golf ball, and wherein an angle of inclination of the line of the in-depth direction to the normal direction of said golf ball is 0.2° or greater and 2.0° or less.