| 摘要 |
<p>PROBLEM TO BE SOLVED: To incise markings by markings set in a precision forging die so that designs such as the letters and/or patterns of the markings may be relief letters and/or relief patterns, in a golf club head provided with markings comprising designs such as letters and/or patterns in a golf club head body. SOLUTION: In explanation of, for example, an iron-type golf club head, in a golf club head 1 provided with a design part 2 such as letters and/or patterns in a golf club head body 1A, the design part 2 such as letters and/or patterns is incised and formed by marking set in a precision forging die so that the design part 2 may become relief letters and/or relief patterns.</p> |
