DEVICE Russian patent published in 2012 - IPC B65G33/14 B65G33/16 B65G33/26 B03B5/52 

FIELD: transport.

SUBSTANCE: proposed device is intended, preferably, for recuperation of filler fluids used for washing concrete mixer containers. Proposed device comprises screw conveyor 5 with casing 5a wherein pushing element 5b revolves. Elastic flute 7 is arranged between said casing and said pushing element 5b. Said flute is made from plastic material and features invariable arc-like section to surround pushing element bottom part. Said flute is connected with casing by elastic suspension 8.

EFFECT: ruling out excess loads, ease of crust destruction.

12 cl, 7 dwg