Patent ID: 7380325

Claim:
A method for manufacturing a golf club head comprising: allowing a metallic material to contain n number of metallic members, said metallic material being for forming a golf club head having a face and a sole, and formed in columnar shape, while n number of said metallic members have a low melting point compared to a forging temperature of said metallic material respectively; shaping said golf club head by forging said metallic material and n number of said metallic members while heating said metallic material and n number of said metallic members at the forging temperature of said metallic material; and applying finishing processes to said shaped golf club head, wherein: n is a natural number and; said golf club head is shaped by forging said metallic material and n number of said metallic members so that n number of said metallic members are confined inside said golf club, corresponding to either the face or the sole of said golf club head, wherein said metallic material is allowed to contain n number of said metallic members by: equiaxialiy forming said metallic material with a bore; inserting n number of said metallic members into said bore; and plugging said bore while using a plug made from metal having a same major constituent as said metallic material.