Container adapted for stacking

Details Container adapted for stacking Container adapted for stacking

1993-07-01

1994-05-31

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

229109, 229120011, 229148, 229150, 229915, B65D 532

Patent

active

053162072

ABSTRACT:
A container formed by wrapping a slotted flexible sheet about rigid end panels having projections that extend through the slots. The projections include stacking projections which engage recesses in the end panels of adjacent stacked containers and support projections at the corners. The support projections engage each other when the containers are stacked to provide resistance to lateral loading. At least one end of the flexible sheet terminates in the top panel and engages a wedge-shaped projection on the end panels to lock that end of the sheet in place. The other end may be similarly locked in place or may overlap the first end and be held in place by a tab and slot arrangement. Alternatively, the other end portion of the sheet may include a lid which is held in place by mechanical tabs, while intermediate edges spaced from the end engage the wedge-shaped projections.

REFERENCES:
patent: 1945878 (1934-02-01), Breton
patent: 3015431 (1962-01-01), Mulcoy
patent: 3142378 (1964-07-01), Lengsfield, Jr.
patent: 3373921 (1968-03-01), Crane
patent: 3915372 (1975-10-01), Crane
patent: 3935990 (1976-02-01), Crane
patent: 3935991 (1976-02-01), Crane
patent: 4389013 (1983-06-01), Hall et al.
patent: 4482074 (1984-11-01), Lalley
patent: 4645122 (1987-02-01), Nederveld
patent: 4993623 (1991-02-01), Kelly et al.
patent: 5116290 (1992-05-01), Ross

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