| 摘要 |
Device for blocking off a corridor, such as a mine gallery, of the type including a layer of superabsorbent polymers, characterised in that it is composed of a strong and flexible casing 1, 30 intended, when it is inflated, to match the internal contours of the corridor to be blocked off, the said casing 1, 30: - on the one hand, comprising a means 8 for supplying water and a means 9 for evacuating water; - on the other hand, having a plurality of small porous bags 10, 20 containing the said superabsorbent polymer 11, 21. Application: temporary and movable blocking off of mine galleries or corridors in buildings. <IMAGE>
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