M.J.Maillis group is involved in the manufacture and distribution of secondary packaging material, tools and machines. M.J.Maillis group presents carton sealer for uniform size cartons. The carton sealing machines are designed according to the eec regulations and are capable of sealing cartons of same size; applying a u seal of adhesive tape to the top and bottom flaps. The machine adjustment to the carton size is fast and easy. The side drive belts have a self-centering screw adjustment device.