| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem in which a conventional stop pin material aims to be buried in an object and pulled out of it after a lapse of a certain period, and cannot prevent the object from breaking during the pulling and cannot secure the safety of an operator.SOLUTION: In the stop pin material, a lateral bar part for retaining is integrally disposed at the tip of a linear fiber part substantially orthogonally to the shaft core direction of the fiber part. The lateral bar part is long on one side of the shaft core of the fiber part and is short on the other side.</p> |
