a machine for making paper cups wherein each cup includes a side wall blank and a bottom wall blank , the machine including a frame and a vertical shaft mounted on the frame with a turret rotatably mounted on the shaft , a number of work stations mounted on the frame in an equally spaced relation around the turret with a number of tapered mandrels mounted on the turret in alignment with each of the work stations for forming the cup , the turret being intermittently rotated to move the mandrels sequentially into alignment with each of the work stations and a tubular assembly mounted for axial movement in each of the mandrels for initially releasing the cup from the mandrel .