Abstract: An injection molding apparatus provided with a central control and with a screw which extends in a cylinder, which cylinder is provided with a filing opening and with a nozzle, the screw being drivingly connected with two controllable electric motors such that a movement in rotational and/or axial sense can be imposed on the screw, the driving connection comprising a number of cylindrical planetary rollers accommodated for rotation in a planetary cage such that the planetary rollers can be engaged from a space located radially outside the planetary cage and a space located radially within the planetary cage, the planetary cage being connected to the screw in a manner secured against rotation, while a first drive part connected with a rotor of the first electric motor, is provided with a first engaging surface facing radially inward which engages the planetary rollers from the space located radially outside the planetary cage, while a second drive part, connected with a rotor of the second electric motor is pr

Abstract: The invention relates to a device for processing disc-shaped registration carriers, provided with a number of processing stations in which the disc-shaped registration carriers are supported, and with a transport assembly by which said disc-shaped registration carriers can be moved from one processing station to another processing station. The transport assembly is fitted with interconnected, jointly driven holders for simultaneously taking hold of and moving the registration carriers between the processing stations. The processing stations are at least partially fitted with readily exchangeable processing units.