| 摘要 |
<p>The belt has an elongated tubular body (2) defining an inflatable sealing chamber (3). Connections units placed at the level of two ends (12, 16) of the body, permit to close the belt. The chamber wall forms a work surface (5), in deflated state of the belt, having a length greater than or equal to length of a back surface (4) of the chamber such that the wall forms folds, during closing of the belt and after inflation of the belt.</p> |
