| 摘要 |
<p>Problems with maintaining the effectiveness of the seal whilst passing containers into contained locations, due to the different sizes of containers which need to be passed through, are addressed by the seal assembly (10). The seal assembly (10) providing a housing (13) which defines a through bore, one or more seals (12) being provided in the bore, one or more of the seals (12) including a support frame (16, 17), an element extending at least from the inner edge of the support frame to the boundary of the through aperture, and one or more resiliently deformable members at least partially surrounds the aperture in the element, and which engages with the element.</p> |
