The box has a rear wall which is composed of two vertically spaced segments. The upper segment is foldable from a vertical position to a horizontal position. An interior wall is foldably connected to the upper segment. The interior wall together with the upper segment, when horizontal, defines a partition...http://www.google.fr/patents/US20040108370?utm_source=gb-gplus-shareBrevet US20040108370 - Partitioned box
