A composite crate is partitioned into at least two compartments having separate bottom walls, wherein each of the compartments has a pair of opposed double-walled end structures upstanding from its bottom wall, and one of the double-walled ends of each of the compartments is positioned in a back-to-back...http://www.google.co.uk/patents/US4335843?utm_source=gb-gplus-sharePatent US4335843 - Partitioned stacking crate and blank therefor
