M.J.Maillis group is involved in the manufacture and distribution of secondary packaging material, tools and machines. M.J.Maillis group presents automatic carton sealer with all upper flaps folding device. The carton sealing machines have been designed according to the eec regulations. These are suitable to be installed into packaging lines as no operator is required. The machines fold automatically the 4 upper flaps and apply a u seal of pressure sensitive tape on the top and bottom seams of the cartons. The adjustments to the carton size are fast and easy.