US Patent 7325384 Method of loading cartons

Methods of loading cartons in a packaging machine are provided. A method comprises providing cartons with an end opening having a width less than a pitch of flight bars of a packaging machine, and detachably affixing the cartons so that one carton is horizontally adjacent another and the combined end opening width of the horizontally adjacent cartons is substantially equal to the pitch of the flight bars. The method also includes placing the cartons between the flight bars so that the horizontally adjacent cartons are disposed within the pitch of flight bars and detaching the plurality of cartons from one another after the cartons have been loaded. Other embodiments are claimed and disclosed.