Corrugated box having corner support posts

Details Corrugated box having corner support posts Corrugated box having corner support posts

1996-07-16

1997-10-07

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

A sidewall includes a folded lateral extension of an...

229915, 229918, 229919, B65D 21032

Patent

active

056738480

ABSTRACT:
The present invention provides a improved corrugated cardboard box formed from a single pre-cut and pre-scored blank. The box can better support vertical and lateral loads, such as are present when many like boxes are stacked in a column, making the box ideal for packaging and shipping easily damaged produce such as tomatoes. The box is typical in that it includes a bottom panel, two side panels, two top panels, and two end panels. The improvement resides in the provision of a corner support post at each corner of the box. Each corner support post includes a vertically extending corner support panel, which is attached to the side edge of the end panel, and an interior bracing panel which extends from the corner support panel to the inner surface of the end panel. In a preferred embodiment, the post also includes a connecting panel disposed between the corner support panel and the interior bracing panel.

REFERENCES:
patent: 3079058 (1963-02-01), Russell
patent: 3162351 (1964-12-01), Rudofski
patent: 4056223 (1977-11-01), Williams
patent: 4236664 (1980-12-01), Hartelmuller
patent: 4417686 (1983-11-01), Wozniacki
patent: 5002221 (1991-03-01), Ragan
patent: 5261594 (1993-11-01), Brown
patent: 5294044 (1994-03-01), Clark
patent: 5333777 (1994-08-01), Roth
patent: 5535941 (1996-07-01), Garza

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