Patent ID: 8647217

Claim:
A golf club head having a hollow structure and having a face portion provided in its front surface with a club face for hitting a ball and a sole portion extending to a lower edge of the face portion and forming a bottom surface of the head, wherein the golf club head is composed of a main body member separately provided with a face opening opened in the face portion and a sole opening opened in its sole portion side, a face member fixed to the main body member by brazing or soldering so as to close the face opening, and a sole member fixed to the main body member by brazing, soldering or welding so as to close the sole opening, said main body member comprises a sole opening's front edge part forming a part extending from a front edge of the sole opening toward the face portion, and a heat blocking part forming a part between the sole opening's front edge part and the face portion and having a thickness larger than a thickness of the sole opening's front edge part, said sole member comprises a sole member's front edge part connected to the sole opening's front edge part and forming a face-side part of the sole member, and a sole reinforcing part forming a part extending from the sole member's front edge part toward the back side of the head and having a thickness larger than a thickness of the sole member's front edge part, the thickness of the sole member's front edge part and the thickness of the sole opening's front edge part are not less than 0.5 mm and less than 2.5 mm, and the thickness of the sole reinforcing part and the thickness of the heat blocking part are 2.5 to 10.0 mm.