APPARATUS FOR CONCRETE MIXTURES MOULDING Russian patent published in 1996 - IPC

FIELD: building, production of concrete and similar mixtures pieces by pressure method. SUBSTANCE: apparatus has mould, over which there is compaction plate connected to drive shaft moving vertically along guides. Plate is made hollow and with located along circumference shoulders on inside wall. Additional shaft is located in plate cavity perpendicularly to main shaft and connected to it by Hooke's universal joint. Set at ends of additional shaft wheels are contacting wall shoulders. In the case one of wheels is rigidly fixed to the shaft and another one - using bearing. Additional shaft also has fixed flywheels. EFFECT: improved design. 2 dwg