54 sends information to an automatic device which controls the machine to reject the bottle the reject information translates into an electric signal which excites a control jack 55 fig5 allowing the defective bottle to be removed broken lines from the good bottles solid lines the 34 good bottle 34 train comprises a circular turret 58 fig5 having peripheral notches 59 cooperating tangentially with the notches 9 in the plate 6 and turning in the direction of arrow f6 the lower plate 7 which is connected to the turning central shaft 2 is a circular plate having guide holes 40 on its periphery for accommodating push rods 41 activated along the yy axes by rollers 42 pressing against the edge of a circular cam 44 fig1 3 and 6 arranged concentrically around the xx axis and attached to the chassis 4 the upper end of each push rod 41 carries a socket 45 for holding a cup 47 for insertion on the bottle bottom the cup 47 can be attached to the bottle by sizing or any other known means in this case the cups are coated with adhesive on their inside walls which contact the bottle the base 46 of each socket 45 receives a support plate 49 for the cups 47 having feet 48 passing through the socket base for abutment against the upper surface of the plate 7 this arrangement allows a relative movement between the support plate 49 and the socket base 46 the length of the feet 48.