| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an air flow type sieving apparatus continuously operatable and capable of keeping a stable sieving efficiency by preventing occurrence of clogging by toner melting in the apparatus sieving based on Coanda effect. SOLUTION: The air flow type sieving apparatus comprises a raw material supply nozzle, a high pressure air supply nozzle, raw material accelerating nozzle, and a sieving chamber and in the sieving apparatus, the nozzle hole of the high pressure air supply nozzle is made to be like slits.</p> |
