| 摘要 |
Self-cleaning reciprocating screen comprising an underlying screening net "A" with a superimposed net "B" supplied with a number of longitudinal wires 3 hold by transversal wires 2 min as to the advancing direction of the material on the screen, in which the wires 3 are free to swing with the sieving vibration and beating on the underlying net "A" keep it clean. |
