Face Structure of Golf Club

Abstract

A face structure of golf club comprising club face ( 11 ) which is a hitting portion and an uneven face ( 20 ) which corresponds to the shape of the club face, having innumerable minute and uniform projection to the shape of the club face ( 11 ) in point-contact mode, and being manufactured with said club face as one body. The club face decreases the crash loss through point contact with ball and thereby increase repulsive power in portion to the decreased crash loss to give an improved driving distance.

1 . A face structure of a golf club comprising:
 a club face which forms a hitting portion, and   an uneven face formed on said club face as one-piece with said club face and which corresponds to a shape of the club face, said uneven face having numerous minute and uniform projections on substantially all portions of said club face so that a ball impacts on the club face in a point-contact mode.   
     
     
         2 . The face structure of a golf club according to  claim 1 , in which said club face has a club face hitting surface, and said projections are formed as protrusions having a height in which free outer ends of said projections have the same height and form the club face hitting surface. 
     
     
         3 . The face structure of a golf club according to  claim 1 , in which said club face has a club face hitting surface, said club face has numerous minute and uniform cut-out portions, and said projections are formed by portions of said club face between said cut-out portions and which form the club face hitting surface.