Patent ID: 6688516
Filing Date: 2004-02-10
Classification: B65D

Abstract:
An universal semi-automatic foldable box comprising:(a) a box body having a bottom panel and at least two side walls connected to respective side edges of said bottom panel such that said side walls can be unfolded and raised; (b) internal or external sheets connecting side edges of said side walls, respective corners of each sheet positioned between side edges of adjacent side walls forming connecting portions for connecting adjacent side walls respectively, said connecting portions are capable of folding when the respective adjacent side walls are raised; and (c) elongated self-folding spring strips, each connected to said bottom panel and at least one side wall, said spring strips operating to self-fold to thereby raise said side walls and form the box, said self-folding spring strips each having a concave side and a convex side and the property that, when straightened, it holds its straightened shape, and when bent in a predetermined direction, it self-folds.