| 摘要 |
A seal (13) is disclosed having one or more lips (18, 19) which are in rubbing contact with a surface of a journal (10), the lips being inclined to the contact surface.
<??>To prevent the lips (18, 19) from being turned over during assembly and so damaging the seal, the seal (13) includes means (24, 25) which stiffen the lip to resist turning over of the lip. The stiffening means may either take the form of an integrally formed, axially directed, annular projection (24) or support ribs (25) which are arranged to connect the main body (17) of the seal to the sealing lip (18).
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