B01F 31/312

Mixers with shaking, oscillating, or vibrating mechanisms comprising a receptacle to only a part of which the shaking, oscillating, or vibrating movement is imparted using receptacles with deformable parts, e.g. membranes, to which a motion is imparted {the motion being a transversal movement to one part of the receptacle, e.g. by moving alternatively up and down the opposite edges of a closing lid to cause a pumping action}