| 摘要 |
A (liftable, vibratable) outlet member (2) in the outlet of a hopper, bunker, reactor or impregnation vessel and the like. In the closed position the said member rests with its lower edge onto a seat (4). The seat (4) can be moved in downward direction making a discharge gap between it and the outlet member (2) without lifting the member and the flowable material resting on the said member. |
