| 摘要 |
<P>PROBLEM TO BE SOLVED: To seal between a holding part and a main body without any preparatory work around a through hole. <P>SOLUTION: In the lower side of an insert body 11, there are provided first latch portions 12c and second latch portions which are latched around a through hole Dc in the under surface of a deck plate D. There is also disposed a coil spring 31 at upper position than the first latch portions 12c in the outer peripheral surface of the insert body 11. And, in the insert body 11, there is provided a press contact ring 32 both at upper position than the first latch portions 12c and at lower position than the coil spring 31. An insert 10 includes a seal body 18 disposed between an under surface 32a of the press contact ring 32 and the top surface of the deck plate D. An internal perimeter surface 18a of the seal body 18 is in tight contact with the whole outer peripheral surface of the insert body 11 at the position where the seal body 18 is compressed between the under surface 32a of the press contact ring 32 and the top surface of the deck plate D. <P>COPYRIGHT: (C)2012,JPO&INPIT |
