| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely and easily block up a hole arranged in a structure with an extremely simple and economical structure. Ž<P>SOLUTION: A screw member 103 is fastened, and an embedded plug member 101 composed of an elastic body is compressed between a washer member 105 and a fastening plate member 107, and the embedded plug member 101 is expanded, and the hole arranged in the structure is blocked up by this expansion. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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