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

摘要

A molding unit (10) for forming a container made of thermoplastic material, includes:—a mold bottom (16) that is movable between a low position, an intermediate boxing position and a high position;—a carriage (24) that supports the mold bottom (16) and is mounted in a movable manner in a fixed holder (26);—actuation elements for moving the carriage (24) into its intermediate boxing position;—the actuation elements including a cylinder (32) that houses a piston (98) liable to push the mold bottom (16) through a boxing travel; characterized in that the mold bottom (16) is supported in a fixed manner by the carriage (24), the cylinder (32) being fixed with respect to the fixed holder (26). A method for employing the molding unit is also described.