Envelopes – wrappers – and paperboard boxes – Paperboard box – A sidewall includes a horizontally or downwardly extending...
Patent
1999-10-22
2000-10-17
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
A sidewall includes a horizontally or downwardly extending...
229191, 229918, B65D 21032
Patent
active
061318051
ABSTRACT:
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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Elkins Gary E.
Georgia-Pacific Corporation
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