Patent ID: 6029582
Filing Date: 2000-02-29
Classification: B65D

Abstract:
A force resisting corrugated assembly foldably constructed from a generally flat blank, the blank having top and bottom ends and sides upon folding, said assembly comprising:(a) first top and bottom jack panels and second top and bottom jack panels, each said top and bottom jack panel being adjacent a respective top and bottom end of the blank;(b) top and bottom middle panels, each said top and bottom middle panel being adjacent and between respective top and bottom jack panels;(c) a flap extending from at least one panel of each pair of adjacent jack and middle panels;(d) a plurality of top and bottom columns, with each column being between adjacent respective top and bottom panels, each said column having locking slots, said top columns being arranged at an angle normal to said bottom columns;wherein upon folding, said flap of each pair of adjacent panels extending from at least one of adjacent panels engages the other of the adjacent panels, said top and bottom columns extending in a generally normal plane from said respective top and bottom panels, said top and bottom columns forming top and bottom ribs, respectively, each said rib having rib sides with side edges and a top rib panel; andwherein said top and bottom ribs engage each other at locations of said locking slots.