| 摘要 |
PROBLEM TO BE SOLVED: To provide a dowel for insertion into an opening of the wall of a vehicle body, and swollen at a high temperature to tightly close the opening in the swollen condition. SOLUTION: The dowel 10 for insertion into the opening 12 of the wall 14 of the vehicle body comprises a stem portion 16 for elongating through the opening 12 in the inserted condition, a flange 18 connected to the dowel and formed of a first material component, and a sealing portion 20 formed of a second material component, in particular. The second material component is a plastic material which is swollen at a high temperature to tightly close the opening 12 in the swollen condition. COPYRIGHT: (C)2008,JPO&INPIT |
