Bridgestone Sports Co., Ltd.

Ikuo Aoki

Masaomi Hiruta

Hideyuki Ishii

Hirato Shimasaki

Hiroshi Ezaki

Hidekimi Inoue

Ryohei Uji

The present invention provides a golf club head made of at least a first and second head components formed integrally with each other. A metallic material of the first head component is different in kind from that of the second head component. At an anti-disjoining device such as a projection, concavity or the like is formed, as a part of the head, on all or a part of an end face of the first head component, which is to join the second head component. Further a metallic material having a melting point 200.degree. C. or more below that of the metallic material of the first head component is cast to the first head component to integrally join the end faces of the first and second head components, thereby forming the second head component.

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Chiba, Japan

Ikuo Aoki