Envelopes – wrappers – and paperboard boxes – Paperboard box – Plural
Patent
1991-10-23
1992-07-14
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Plural
22912001, 22912011, 229915, B65D 542
Patent
active
051295750
ABSTRACT:
A composite tray and stacker structure for packages of a plurality of identical paperboard and/or plastic containers supported in a tray for the purpose of providing compressive load-bearing capability to the package. The composite tray and stacker is composed essentially of a single sheet of stiff material, such as corrugated paperboard. The structure includes a rectangular tray bottom wall having a central transverse reverse fold line and a pair of end walls connected to the bottom wall along fold lines. A pair of top wall spacer elements are foldably connected along the top edges of the end walls and a pair of weight-bearing abutable stacker elements are foldably connected to the spacer elements. A relatively narrow product retainer panel is connected to each of the side edges of each of the end walls and stacker elements along fold lines. Relatively narrow rectangular flaps are connected along fold lines to the side edges of the bottom tray and in most instances also to the side edges of the top wall spacer elements. In the assembled package the end walls and spacer elements lie in parallel spaced apart relation to support packages stacked one on another. The rectangular flaps engage the outer surfaces of the product retainer panels. The assembled package encloses a pair of mirror image cells or compartments for product containers and is readily divisible into half packages.
REFERENCES:
patent: 2684178 (1954-07-01), Keeler
patent: 2697544 (1954-12-01), Morand
patent: 3158312 (1964-11-01), Simkins
patent: 4228945 (1980-10-01), Wysocki
patent: 4913291 (1990-04-01), Schuster
patent: 4932534 (1990-06-01), Focke et al.
patent: 4998615 (1991-03-01), Bryan
patent: 5039002 (1991-08-01), Spaner
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