Cellular structure for cartons

Claim 1

A cellular structure for use in cartons and the like, comprising first and second parallel wall sections movable longitudinally relative to and towards and away from each other and adapted, when the cellular structure is in its erected position, to be spaced from the walls of the carton and the like to divide the carton and the like into three longitudinal compartments including a central longitudinal compartment defined between the first and second parallel wall sections, outer divider flaps cut from and hinged to the wall sections each extending longitudinally from a hinge line extending transversely of its wall section and spaced from the ends thereof, said flaps being swingable outwardly relative to their respective wall sections, flap inner cut from the wall sections each connected to an outer flap at the hinge line thereof and extending away from said outer flap, said inner flaps swinging inwardly when their respective outer flaps swing outwardly, and means securing opposed inner flaps of the two wall sections together to cause said connected inner flap to swing inwardly and the outer flap connected thereto to swing outwardly to divide said three longitudinal compartments into a plurality of cells when said wall sections are moved longitudinally relative to each other.