BLANKS AND BOXES WITH TONGUE- POCKET BOTTOM COMBINATION FORMABLE FROM SAID BLANKS

摘要

A box (10) having a box sidewall composed of a closed string of side wall forming panels (18) which defines a tube having a desired polygonal cross sectional shape, the side wall forming panels (18) each having a bottom edge (23) which together define one end of the tube, and a box bottom wall (12) extending across and closing off said one end of the tube, the box bottom wall (12) being composed of a plurality of side by side separate bottom wall forming panels (19), each separate bottom wall forming panel hingeably depending from a bottom edge (23) of a respective side wall forming panel (19), each separate bottom wall forming panel (19) having a tongue (60, 62) laterally projecting from one of its sides and a tongue receiving pocket (80, 82b) laterally projecting inwardly from its opposite side, neighbouring bottom wall forming panels (19) being inter-connected to one another by the tongue (60, 62) of one bottom wall forming panel (19) being accommodated internally within the pocket (80, 82b) of the neighbouring bottom wall forming panel.