Partition arrangement

Claim 1

In a heavy duty four cell partition arrangement formed from a unitary blank of sheet material such as paperboard or the like, the combination of: a. a vertically disposed first double-ply center member including a pair of co-extensive panels hingedly interconnected at their upper edges and disposed in face to face relation; b. a vertically disposed second double-ply center member extending normal to said first center member and including a pair of co-extensive panels disposed in face to face relation and presenting in their upper edges slots aligned with similar slots presented in the lower edges of the panels of said first center member to provide interlocking engagement between said first and second center members; c. a pair of vertically disposed opposed end members which are parallel to the plane of said second center member, and which have portions foldably joined to end edges of said first center member by integral gusset elements; d. a horizontally disposed bottom wall including a pair of co-planar bottom wall panels each being foldably connected at its opposite end edges to lower edges of one of said end member panels and to one of said second center member panels.