US Patent 9027826 Frangible shipping carton and associated methods

A selectively frangible shipping carton for storing and shipping goods comprises at least one side wall joining a top wall and a bottom wall. A path of weakness extends around a periphery of the carton through at least a portion of the side wall. The path of weakness enables a user to manually separate the carton into at least two portions: an upper portion including the top wall and a lower portion including the bottom wall. A pair of lines of weakness extends upwardly relative to the path of weakness and terminates at or adjacent the top wall. A grip flap defined in the side wall between the pair of lines of weakness, the grip flap being graspable by the user when separating the carton into the at least two portions.