| 摘要 |
A device for obtaining a layer of cement-sand grout contains a hopper with inclined plane walls, and a conveyor belt located underneath, under the upper run of which from the side of front wall of hopper a vibrating table is mounted, while an the lower edge of front wall of hopper evenly throughout its length cuts are made tapering upward. At the bottom of the hopper to the inside of the bottom edge of the front wall guiding inserts are rigidly attached. |
