Disclosed is an injection molding apparatus (100) that includes an extruder (102) configured to produce a continuous flow of molten plastic. The injection molding apparatus also includes a plurality of mold assemblies (104) and a delivery system (106) that provides a continuous flow of molten plastic from the extruder to the plurality of mold assemblies. The present invention also includes a process for using the injection molding apparatus that includes forcing a continuous flow of molten plastic into a delivery system and sequentially routing the continuous flow of molten plastic from the delivery system into a plurality of mold assemblies without interruption.