| 摘要 |
<p>The device has vertical supports (1, 2) held at a distance from each other and connected with one another by stiffeners (3). Inner and outer sheeting plates (5, 4) with edges guided in guiding channels of the supports in a vertically displaceable manner are provided, where the supports are higher or lower than the outer/inner plates. A stopper is provided at the inner plates and cooperates with another stopper fastened at the supports. An independent claim is also included for a method for sheeting a trench with a sheeting device.</p> |
