| 摘要 |
PCT No. PCT/AU95/00785 Sec. 371 Date Jul. 16, 1997 Sec. 102(e) Date Jul. 16, 1997 PCT Filed Nov. 27, 1995 PCT Pub. No. WO96/16748 PCT Pub. Date Jun. 6, 1996An apparatus for sieving a particulate material into selected size fractions. This apparatus includes a screen for separating the particulate material into an undersize fraction and an oversize fraction, and having an inlet end and an outlet end. The apparatus further includes a rotating/oscillating drive for rotating or oscillating the screen about an axis thereof, and a twin phase drive for driving the screen in a vertical direction and an axial direction. |
