Abstract: A feeding unit configured to feed semi-finished sealed packs containing a pourable product to a folding unit adapted to fold the packs so as to obtain folded packages, the feeding unit comprises: a conveyor device having at least one carrying element configured to advance the packs from an inlet region of the feeding unit to an outlet region of the feeding unit; and a feed screw device arranged at the outlet region and configured to receive the packs from the conveyor device, to advance the packs along a braking path and to feed the packs to the folding unit; the feed screw device is configured to decrease the velocity of the packs along the braking path.