| 摘要 |
PROBLEM TO BE SOLVED: To provide a sporting tool improved in adhesion strength of a paint film layer formed on the surface of the sporting tool body thereof even if the sporting tool is formed of any material. SOLUTION: The upper surface of a titanium alloy-made head body 2 is subjected to a chemical surface treatment 3, an undercoat layer 40, a middle coat layer 41 consisting of a multi-liquid ordinary temperature hardenable type urethane coating material and about 5-12% of a metal flake mixed thereto, and a transparent top coat layer 42 are laminated on the resulting upper surface toward the surface, and about 0.1-20.0%, preferably about 0.1-5% of a phosphoric ester as tackifier 5 is added to the coating material forming each coat layer 40, 41, 42 to form a paint film layer 4. |
