Stacking tray

Details Stacking tray Stacking tray

1992-01-16

1992-06-30

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

A sidewall includes a horizontally or downwardly extending...

229191, 229918, 229919, 229DIG11, B65D 520

Patent

active

051255685

ABSTRACT:
A stackable tray is formed from a single blank of cut and scored corrugated paperboard or the like with a substantially rectangular bottom panel, cut away side walls reinforced with extra panels that extend over the bottom panel and reinforced end panels that are adhered to the end walls. The reinforced end panels include score lines on alternative sides of the blank which automatically produce integral corner posts for the tray when the panels are folded and adhered to the end walls. The reinforcing panels for the end walls also include locking tabs which cooperate with locking slots in the tray bottom panels when a series of trays are stacked one upon the other.

REFERENCES:
patent: 3375967 (1968-04-01), Robinson
patent: 3820706 (1974-06-01), Gibson et al.
patent: 4266714 (1981-05-01), Crane
patent: 4702409 (1987-10-01), Osborne
patent: 4770339 (1988-09-01), Weimer
patent: 4860948 (1989-08-01), Hofstede
patent: 4911355 (1990-03-01), Bannister

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