| 摘要 |
A sealing device is disclosed for separating sections inside an elongate hole with at least one duct extending inside and along the hole. In at least one embodiment, the sealing device includes a first portion which is arranged, in use of the sealing device, to surround the duct and fit substantially tightly against the same, and a flexible cup-shaped second portion, which is arranged to surround the first portion and be resilient radially outwards to seal, in use, against the hole. Moreover, in at least one embodiment, a method is disclosed for separating sections in an elongate hole with a duct extending inside and along the hole. A sealing device is slipped onto the duct at the intended level so that the sealing device after installation forms a cup shape around the duct. The duct (and the sealing device are inserted into the hole, and the duct and the sealing device are installed at the intended level.
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