| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a large-size golf club head with high strength. <P>SOLUTION: This head 2 has a face member 4, an intermediate member 6 and a back member 8. The intermediate member 6 has an opening part 22 and a shaft attachment part 18. The opening part 22 is welded with the face member 4. The back member 8 is welded to the edge 24 in the back side of the intermediate member. The face member 4 is integrally molded by pressing a rolled sheet material or integrally molded by forging. The intermediate member 6 is integrally molded by forging. The back member 8 is integrally molded by pressing a rolled material, or formed by welding a plurality of members molded by pressing the rolled material. Preferably, the face member 4 has a plate shape. Preferably, the back member 8 is integrally molded by pressing the rolled material. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
