| 摘要 |
A rubber plug ( 10 ) has a main body ( 11 ) with opposite front and rear ends. A wire insertion hole ( 12 ) extends through the main body ( 11 ) from the rear end to the front end and has a wire-introducing opening ( 14 ) at the rear end. A forwardly and inwardly tapered portion ( 18 ) is formed on the outer circumferential surface of the main body ( 11 ) at the front end and a fastening portion ( 17 ) is rearward of the tapered portion ( 18 ). Protrusions ( 19 ) project radially out at the front end of the main body ( 11 ). The maximum outer diameter of the front end, including the protrusions ( 19 ), exceeds the inner diameter of the wire-introducing opening ( 14 ) at the rear end of the main body ( 11 ) and is no greater than the minimum outer diameter of the fastening portion ( 17 ).
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