| 摘要 |
A shipping container, e.g., tray, formed-up from a unitary blank of sheet material improves upon known triangular cornerpost-type containers by providing reinforcing layers formed from a fold-over flap attached to an upper edge of a wall panel having post-forming corner panels at its lateral ends. The fold-over flap is laid-up against, and is secured to, a diagonal panel of the triangular post structures formed at each container corner, as well as adjacent portions of the corner-forming walls. Tabs formed by a hinged connection of the wall panel and fold-over panel are aligned with notches formed in lower edges of the walls, allowing for interengagement of multiple trays in a stacked configuration. The construction results in superior stacking strength and improved stacking stability, thereby facilitating material handling, shipping and display.
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