| 摘要 |
Device comprises a suction pipe having an upstanding suction nozzle over which the felt is drawn over its whole width to remove moisture and accumulated dirt, the suction nozzle being followed immediately by a blast nozzle extending parallel to the suction nozzle and having a common wall with the suction nozzle, and the blast nozzle being inclined at such an angle that the compressed air issuing from the blast nozzle partially penetrates the felt and is then deflected into the suction nozzle. |
