Towed moulding apparatus for the construction of concrete slabs on the ground

摘要

The invention relates to a molding tool arranged to be towed by tractors feeders means of any type. The tool comprises two arms (24) pivotally mounted by their front ends to the tractor-feeder. At the rear end of the arm (24) is mounted a ramp pervibration needles (40) for holding the delivered concrete and distributed by the tractor-feeder in the liquid state prior to molding. The molding means comprises an upper member (42) having a antériere portion (46) shaped shield for regulating the amount of concrete admitted in the mold, and a postériere portion (48) in lieu of top plate molding and simultaneously support and rear reference means leveling the tool, the latter being fully supported by the concrete layer formed. Side mold plates (44a, 44b) are also provided.; Application to the production of concrete slabs for roads, etc.