| 摘要 |
<p>Closure for a silo outlet funnel or silo outlet tube includes a sliding part displaceably mounted in the outlet opening of the silo. The sliding part consists of a flexible material a and is wound on or wound off a roller rotatably mounted outside the silo opening. Opposite the first roller (16) rotatably mounted outside the silo opening (10) is rotatably mounted a second roller (28) on which the flexible part (21) is during opposite direction of rotation wound on or off. The flexible part (21) has an opening (36) which is displacable in the outlet opening (10) of the silo. The rollers (16, 28) are so driven that the flexible part is wound on the driven roller (16 or 28). When the flexible part is wound on the roller (16) it is displaced in the open position and when wound on the roller (28) it closes the silo opening (10).</p> |
