| 摘要 |
<p>PURPOSE:To ensure the easy application of a filler for increasing the connecting strength of a shaft. CONSTITUTION:A tapered flange 14 is formed to keep a mounting pipe 11 in contact with a neck 9, and the lower side of the pipe 11 is provided with the filling hole 23 of a filler 22 in such a way as faced to the hollow section 21 of a head body 1, and communicated both internally and externally. According to this construction, strength for connecting the head body 1 to the pipe 11, or even to a shaft 8 can be increased, and the filler 22 can be easily applied.</p> |
