| 摘要 |
According to the invention, a holding plate (1) has a guiding plate (8) in front of the opening (7) of an air channel (4), said air channel being connected to a source of compressed air (5). A surface parallel air current is created between a front face (6) of the holding plate (1) and the waffle sheet (2) to produce a negative pressure which holds said waffle sheet (2) on said holding plate (1). |
