cartons the web 150 u2032 after leaving the coating apparatus may be wound into a roll and transported to separate equipment for carton manufacture alternatively the coating apparatus may be incorporated into the carton manufacturing equipment in such case the web 150 u2032 may be fed into one or more printing stations where the web is printed using flexographic gravure or other printing methods on the side opposite the applied coating 124 the printed web is then directed into cutting equipment that cuts printed carton blanks from the moving web fig3 illustrates the formation of two paperboard carton blanks 300 302 from the coated web although only two are shown for illustration purposes typically several blanks would be fitted in the cross direction of a paperboard web and hundreds or thousands would fit in the machine long direction of a paperboard web the blanks may be offset slightly in the long direction as shown in order to minimize waste of the paperboard material the carton blanks have flaps 310 that are typically folded and glued during assembly these flaps 310 fit in areas 320 322 324 that are not coated the non flap portions of the carton blanks fit in areas 330 332 that are coated for example with a waterproofing material the coating may preferably extend partway onto the flaps 310 provided uncoated area sufficient for gluing is left uncoated on the tabs however depending on the carton design the coating areas 330 etc may be narrower or wider than shown in addition to imparting water resistance or water proofing the coating may impart additional strength to the carton blank and.