| 摘要 |
A plug for closing a hole is provided to be mounted stably around the edge of a hole by fitting it into a hole with a rib supported elastically. A plug for closing a hole comprises a hole closing part(11) closing a hole by being fitted into a hole, forming a conical shape; a circular elastic rib(12) mounted around the edge of the hole, formed to be extended downwards than the hole closing part, integrated into the hole closing part; and a plurality of fitting protrusions(11a,11b,11c) forming a plurality of concave grooves(11d,11e,11f), protruded from the hole closing part for their diameter to be different from each other.
|
