ROD-SHAPED CONCRETE MIXER OF CONTINUOUS ACTION Russian patent published in 2014 - IPC B28C5/20 

FIELD: construction.

SUBSTANCE: rod-shaped concrete mixer comprises the drive drum and working member in the form of rods-rollers coupled inter se. Each working member is designed from, at least, one bar, wound in cylindrical windings connected with each other along the longitudinal edges, bent by crease edges arranged at an angle to its edges with formation of helical lines and surfaces along the outer and inner surfaces directed to one side in the form of pockets of polygonal shape, the distance between the crease edges is equal to the length of each element of polygon. Pockets on the inner surface may differ from the shape and sizes of pockets on the outer surface, and along the perimeter of working member may differ not only by shape.

EFFECT: improvement of operating characteristics.

7 dwg