| 摘要 |
<p>The present invention refers to a mixer for concrete, mortar and similar materials, provided with a parallelepiped tank in which two mixing shafts are horizontally mounted in parallel, which rotate inside basically cylindrical chambers, with a longitudinal overturned V-shaped profile in intermediate lower position, whose continuity is interrupted by the presence of a small central rectangular trap, with a hopper fixed in lower external position on the tank and provided with an upper mouth slightly larger than the length of the trap; it being also provided that the trap is equipped with a tilting lid to guarantee closing and opening by means of a suitable actuator.</p> |
