| 摘要 |
PROBLEM TO BE SOLVED: To provide a screening device by a high-frequency oscillation wherein a screen mesh is scarcely clogged. SOLUTION: The oscillating screening device is provided with the screen mesh 1 stretched on a screen frame 2, a vibration transmission bar 7 fixed to the screen mesh along a screening surface of the screen mesh 1, and a transducer 6 connected to the vibration transmission bar 7 and giving a high frequency longitudinal oscillation to the vibration transmission bar 7. COPYRIGHT: (C)2007,JPO&INPIT
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