| 摘要 |
<p>Apparatus for shutting off and metered discharge of all kinds of non-liquid materials from silos and the like, consisting of a housing attached under the silo outlet, featuring that said housing (3) comprises a shut-off grid (6) and a pressure grid (5) which are elastically interlinked, each of the said grids (6-5) being set with a number of strips (16-9) and said housing (3) being equipped with means enabling to bring the said grids (6-5) into movement with respect to one another.</p> |
