| 摘要 |
<p>The device (10a) has a wiping lath unit (12a) provided with partly grooved wiping surfaces (14a) and two ribs (16a) e.g. longitudinal ribs and diagonal ribs. Multiple spacings (18a, 20a, 22a, 24a) are formed between the ribs in the wiping lath unit, where the ribs having wedge shape and truncated shape. The ribs are formed with a base body (52a) in the wiping lath unit. The ribs are provided with a side surface and an edge surface, where height (50a) of the ribs is smaller or equal to that of width (36a, 38a, 40a, 42a, 44a, 46a).</p> |
