| 摘要 |
PCT No. PCT/BE90/00006 Sec. 371 Date Jul. 5, 1991 Sec. 102(e) Date Jul. 5, 1991 PCT Filed Jan. 31, 1990 PCT Pub. No. WO90/08718 PCT Pub. Date Aug. 9, 1990.An apparatus for conveying loose material includes a chute with static bottom shaped like a trough, adapted to accommodate the material to convey, and a series of conveyance members mounted to move back and forth on a movable frame. Each conveyance member includes at least two juxtaposed blades, extending up to a different depth inside the chute, and in that the depth up to which the superimposed blades extend inside the chute decreases from the front blade (facing the conveyance direction of the material) to the rear blade (opposite the conveyance direction of the material).
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