| 摘要 |
<p>A sealing (1) made of plastic. The sealing (1) has an actual sealing portion (2) made of plastic, within and/or on the outer surface of which sealing fibers (3) are provided that expand or swell on the action of a medium to be sealed, such as a liquid, steam or gas; these fibers provide sealing for the joint on the action of the medium that has entered the joint, and enhance the mechanical strength of the joint.</p> |
