abstract |
The invention relates to a thin film treatment apparatus (8) comprising a rotor (16) having at least one cylindrical section (26), at least one wiping blade (32, 33, 34, 35, 36, 41) being arranged on said cylindrical section, said wiping blade comprising at least two teeth (42, 43, 44, 42', 43', 44'), which is characterized in that at least part of the teeth (42, 43, 44, 42', 43 ', 44') form an angle α towards the vertical direction which is more than 0°, the mean angle αm of all the teeth being less than 14°. |