| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a lightweight club head with wide sweet area as a safe product excellent in sense of beauty. SOLUTION: A golf club head body 1 is formed of a castable metallic material having a small specific gravity, and a composite material 7 formed of a material having a specific gravity larger than the material of the head body 1 and a melting point higher than the casting temperature of the material of the head body 1 is built in the head body 1, and the head body 1 is formed by casting. Therefore, since the composite material 7 forming the back weight is perfectly sealed within the head body 1 without being exposed from the head body 1, a safe club head never damaging the beautiful appearance and having no danger of peeling the back weight from the head body 1 during the swinging of the club can be provided.</p> |
