| 摘要 |
<p>A pipe coupling seal including a cylindrical elastomeric seal (10) including annular pad portions (14, 16) axially spaced apart from one another and extending from a bridge portion (18), each of the pad portions (14, 16) being thicker than the bridge portion (18) and adapted to seal against an outer diameter of a pipe, wherein at least one of the pad portions (14, 16) includes a removable section that includes a continuously enclosed annular hollow void (34).</p> |
