| 摘要 |
<p>The element has a base body (12) connected to an opening of a component, and a sealing unit (20) arranged in the base body. The sealing unit includes an outer rotatable sealing lip and an inner rotatable sealing lip, and a sealing lip is arranged on the outer rotatable sealing lip, so that the sealing lip lies between the outer rotatable sealing lip and inner rotatable sealing lip. Diameter of the outer and inner rotatable sealing lips at a free end is smaller than that of the base body, and the sealing unit is injected into the base body.</p> |
