| 摘要 |
PCT No. PCT/GB93/01810 Sec. 371 Date May 14, 1995 Sec. 102(e) Date May 14, 1995 PCT Filed Aug. 25, 1993 PCT Pub. No. WO94/05943 PCT Pub. Date Mar. 17, 1994A flexible hollow sealing member that can be inflated through a hole in a wall thereof to seal to a first article, the member having: a first sealing material at an inwardly-facing surface of the wall, which first sealing material can be deformed to block the hole by pressure within the member when inflated; and a device for maintaining, during deformation of the first sealing material, separation between the article and an outwardly-facing surface of the wall immediately adjacent the hole.
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