| 摘要 |
<p>PURPOSE:To enable custom-making of golf club heads in correspondence to respective golf players by freely setting the thicknesses, etc., of the respective shells of the heads and expanding the sweat areas. CONSTITUTION:The head is constituted by press forming a face shell 2 consisting of a shell, an upper face shell 3 and a side peripheral face and sole shell 4. The edges thereof are welded and bonded to form a hollow part, by which the head is integrally formed. As a result, the free setting of the thicknesses, etc., of the respective shells and the expanding of the sweat areas are possible. The custom making of the golf club heads in correspondence to the respective golf players is executed.</p> |
