| 摘要 |
The present invention relates to a device for use in containers 1 intended for particulate material, of the type which comprises an apparatus for facilitating the movement of the material downwards in the container to a location at which the material exits the container. According to the invention, an element 15 which forms part of the container 1 and serves preferably as a wall, and along which the material is movable on its way downwards in the container, can be set in reciprocating motion relative to the rest of the container in order thereby to facilitate the movement of the material. <IMAGE> |
