| 摘要 |
PROBLEM TO BE SOLVED: To prevent the deformation of a threaded hole disposed at a tube. SOLUTION: This connecting structure has tubes which are screwed with a screw shaft within the threaded hole and consist of titanium or titanium alloy vertically divided in the screwed state of the screw shaft, annular eyewires which consist of the titanium or titanium alloy welded with the respective divided eyewires and divided in correspondence to the divided positions of the tubes and made openable and a wraparound endpiece which consists of the titanium or titanium alloy welded to the tubes existing in the upper part and the screw shaft screwed to the threaded hole of the tubes is dissolved after the eyewire, the tubes and the wraparound endpiece are welded. |
