| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent piercing of a single pipe at a collision of an automobile and the like and to prevent the single pipe from coming off from a single pipe barricade due to an impact caused by the collision. <P>SOLUTION: A protective cap 2 includes: an attachment part 12 which is attached to an end; an impact absorbing part 10 which is provided in the state of continuing into the attachment part 12, which covers an axial front part of an end 6 in the state of being attached to the end 6, and which is made of an elastic member larger in diameter than the end 6; a cap-like protective member 16 which is provided in the impact absorbing part 10 and fitted to the end 6 from a front side in the state of being attached to the end 6; and a plate material 11 which is provided in the orthogonal direction of the protective member 16 axially ahead of the protective member 16 in the impact absorbing part 10 and which is larger in diameter than the protective member 16. <P>COPYRIGHT: (C)2012,JPO&INPIT |
