| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a leak hole closing method, which can correspond to emergency, which can perform execution without temporarily stopping circulation of fluid in a distributing fluid pipe or reducing a pressure in the distributing fluid pipe. SOLUTION: In a leak hole closing method closing a leak hole formed to penetrate through a wall of a distributing fluid pipe, a tapping screw 10 is screwed to a leak hole 21 from outside the distributing fluid pipe 20, to be tightened in adhesion incapable of coming off while cutting a thread.</p> |
