| 摘要 |
According to the invention, a suspended blade (55) is provided as a seal which is active between the plates (1a, 2a), said blade comprising a suspension (52) which can be displaced along the upper edge of the first of the two plates (1a), the distance of the suspension from each plane being changeable. The front side of the first plate (1a) lies in said suspension and the blade (55) is provided, at least on one side, with a reversible yielding sealing compound. |
