| 摘要 |
PCT No. PCT/SE86/00022 Sec. 371 Date Sep. 26, 1986 Sec. 102(e) Date Sep. 26, 1986 PCT Filed Jan. 23, 1986 PCT Pub. No. WO86/04566 PCT Pub. Date Aug. 14, 1986.A screw conveyor has a feeder device for promoting the supply of material to the screw, said feeder device and said screw being rotatable in opposite directions. The feeder device has blades (14, 15) which are curved in the manner of a trawl to draw in the material both from above and from below and to guide it inwardly towards the interior of said feeder device. |
