| 摘要 |
<p>A flexible hollow sealing member (1) that can be inflated through a hole (8) in a wall thereof to seal to a first article (3) the member having: a first sealing material (10) at an inwardly-facing surface of the wall (4) which first sealing material (10) can be deformed to block the hole (8) by pressure within the member (1) when inflated; and means (18) for maintaining, during deformation of the first sealing material (10), separation between the article (3) and an outwardly-facing surface of the wall (4) immediately adjacent the hole (8).</p> |
