PASSIVE INTERLOCK STRUCTURE

摘要

A passive interlock structure for use in containers (such as cartons an d trays), particularly those fabricated from corrugated paperboard and the lik e, which permits the facilitated aligning of vertically stacked containers. The passive interlock structure feature includes recesses formed in the tops or bottoms of the containers, and corresponding complementary low planar projections in the bottoms or tops of the containers.