| 摘要 |
<p>Movable mixer or concrete mixer, preferably with emptying by means of contra-rotation, for construction materials, particularly concrete, in a mixing drum 1, in which, on its inner wall 9, it has one or more planar elevators 11, 12 which follow a helix and extend from the closed base of the drum 2 to its opening 3, which elevators 11, 12 are entrained around the axis of the drum during rotation of, the mixing drum and push the construction material against the front of the closed base 2 during transportation and during mixing.</p> |
