| 摘要 |
<p>The present invention relates to the use of at least one suction cup (11) for removing a sheet (4), such as a retarding sheet, from a concrete slab (15), such as a concrete slab having a yet to be washed out top layer (15). In addition the invention relates to a method for removing a retarding sheet (4) from a concrete slab(15), such as a concrete slab having a yet to be washed out top layer (5), and the top layer with the sheet lying free or being made to lie free. According to the method in a step a) at least one succion cup (11) is made to engage a portion of the sheet (4) adhering to the top layer (5), in a step b) the at least one succion cup is moved with respect to the concrete slab while taking along the engaged portion of the sheet and in a step c) the sheet is pulled from the concrete slab. In step b) the succion cup is tilted (K) over at least 30°, in particular 90°.</p> |
