Measurement of the material trajectories in bell-less top charging D. Steyls, J. P. Fischbach, J. F. Noville, P. Dufresne, S. Clairay and G. Lesoin Rev. Met. Paris, 99 3 (2002) 223-230 Published online: 25 October 2002 DOI: 10.1051/metal:2002112