| 摘要 |
<p>The present invention relates to a threaded plug (1) with a sealing ring (4), said threaded plug comprising a head (2) and a threaded part (3). A flange (5) is provided between the head and the threaded part to cooperate with the sealing ring, which is mounted on the side of the flange which adjoins the threaded part. The flange is provided with a projection (16) which extends continuously on the entire face of the flange which faces toward the sealing ring. In a preferred embodiment, the sealing ring may be provided with one or more thickenings (18).</p> |
