CONCRETE PLACING MACHINE Russian patent published in 1995 - IPC

FIELD: civil engineering. SUBSTANCE: concrete placing machine is designed to lay cement-and-concrete roadway coverings. It has hopper with skis coupled to basic machine, smoothing device in the form of bar bordering on rear wall of hopper. Forms have grooves to put pine and are mounted for attachment to skis. Hopper carries internal vibrators. Front wall of hopper is made separable. Width of unloading hole of hopper is equal to width of strip of placement of concrete. EFFECT: increased efficiency and reliability. 2 dwg