PURPOSE: To press surely an empty can of any outside diameter, by constituting a titled pressor of upper stage press rolls formed to have a larger distance between centers and outside diameter and lowr stage press rolls formed to have a smaller distance between centers and outside diameter.

CONSTITUTION: A titled device is constituted of a housing 2, upper stage press rolls 3, 3a which are provided in the upper stage in said housing and are formed to have a large distance between centers and outside diameter to press the empty cans of larger outside diameters among the empty cans charged through an upper feed port 9 and lower stage press rolls 4, 4a which are provided in the lower stage thereof and are formed to have a smaller distance between centers and outside diameter to press the empty cans pressed with the rolls 3, 3a or the empty cans passes through the rolls 3, 3a. The pressed empty cans are dropped onto a conveyor belt 110 through a discharging port 10 and are ejected to the outside. When such pressor for empty cans is loaded on the rear body of a vehicle, the simultaneous pressing of the empty cans and transportation of the pressed cans is made possible.