| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an engaging tool configured so that when a sealed loop is released once, the loop cannot be sealed again, and when the sealing is broken by intent, the broken state is left.SOLUTION: An engaging tool 30 comprises: a filament part 3; an insertion head part 19 disposed on one end of the filament part 3 and having an engaging part 23 formed of a pair of blade parts 6; and a socket part 2 disposed on the another end of the filament part 3, and having a hole 10 through which the insertion head part 19 is passed irreversibly. Tensile strength of a small-diameter part 20 of the insertion head part 19 is smaller than that of the filament part 3 and other parts of the insertion head part 19.</p> |
