Method for making a golf club face

摘要

An improved face for a golf club head includes shallow and deep markings configured to provide a pleasing appearance when viewed head on, and to frame the central region of the impact surface of the face when viewed at address. Use of only shallow markings in the central region of the impact surface prevents existence of stress fractures resulting from use of deep markings in the central region. This allows for a face thinner than those incorporating conventional grooves in the central regions of their impact surfaces, resulting in both superior resistance to cracking and improved C.O.R. Specified methods of manufacture are particularly suited for making clubs incorporating these shallow and deep markings.

主权项

1. A face for a golf club head, the face comprising an impact surface having a geometric center, the impact surface comprising:
a central region including the geometric center of the impact surface, wherein the central region is substantially disc-shaped and comprises at least about 10 percent of the impact surface, and is centered at the geometric center of the impact surface, a heel region and a toe region, wherein the central region is situated between the heel region and the toe region; shallow markings located entirely within the central region, the shallow markings being elongated and having a substantially constant first depth, the central region being free of markings having a depth greater that the first depth; and deep markings located in the heel region and toe regions, the deep markings being elongated having a second depth greater than the first depth of the shallow markings, the deep markings being separate from the shallow markings.