| 摘要 |
<p>A seal, in particular for valve upper parts, consists of a profiled ring 1 made of an elastomeric material, and a support ring 2 which is designed in the form of a threaded ring 20 vulcanized into the profiled ring 1, or in the form of an unsplit spring ring 29 which grips around the profiled ring. <IMAGE></p> |
