MOULDING UNIT COMPRISING MOULD BOTTOM ACTUATION MEANS SUPPORTED BY A FIXED HOLDER

摘要

The invention relates to a moulding unit (10) for forming a container made of thermoplastic material, comprising: - a mould bottom (16) that is movable between a low position, an intermediate boxing position and a high position; - a carriage (24) that supports the mould bottom (16) and is mounted in a movable manner in a fixed holder (26); - actuation means for moving the carriage (24) into its intermediate boxing position; - actuation means comprising a cylinder (32) that houses a piston (98) liable to push the mould bottom (16) through a boxing travel; characterized in that the mould bottom (16) is supported in a fixed manner by the carriage (24), the cylinder (32) being fixed with respect to the fixed holder (26). The invention also relates to a method for employing the moulding unit.