One-piece shipping container with differently contoured inner and outer walls and a quick-lock bottom

A one-piece unitary blank of corrugated paperboard for making a shipping container, said blank having an elongate rectangular shape, and comprising:

• first, second, third and fourth outer wall-forming panels foldably joined together along adjacent end edges, and forming first and second pairs of opposed outer wall panels in a container erected from said blank;
• first, second, third and fourth inner wall-forming panels each foldably joined to a first side edge of a respective one of the four outer wall-forming panels, said inner wall-forming panels being separate from one another and in a container erected from said blank forming first and second pairs of opposed inner wall-forming panels associated, respectively, with the first and second pairs of outer wall-forming panels;
• and
• a quick-lock bottom comprising a bottom-forming flap foldably joined to each of the outer wall-forming panels along an edge thereof opposite the edge to which the inner wall-forming panels are joined, the flaps of a first pair of the bottom-forming flaps being disposed in spaced, parallel, opposed relationship to one another in a container erected from the blank, and the flaps of a second pair of said bottom-forming flaps being disposed in spaced, parallel, opposed relationship to one another and extending perpendicular to and between the flaps of the first pair in a container erected from the blank, wherein the outer corners of the flaps of the first pair are cut away, forming notches in the outer corners, with each notch formed by a first cut extending inwardly from a side edge of the respective flap and a second cut extending from an inner end of the first cut outwardly through the free outer edge of the flap, said first and second cuts extending at substantially a right angle to one another, the flaps of said second pair of said bottom-forming flaps each having inwardly angled side edges terminating in a cut extending perpendicularly through the outer free edge thereof, defining a reduced width locking tongue on the outer free edge of each flap of said second pair of bottom-forming flaps, so that in a container erected from the blank the locking tongue is engaged at its opposite side edges in the confronting notches in the side edges of opposed flaps of the first pair, with the tongue lying against an interior surface of the flaps of the first pair, and the angled side edges lying against an exterior surface.

A one-piece unitary blank of corrugated paperboard for making a shipping container, said blank having an elongate rectangular shape, and comprising:

• first, second, third and fourth outer wall-forming panels foldably joined together along adjacent end edges, and forming first and second pairs of opposed outer wall panels in a container erected from said blank;
• first, second, third and fourth inner wall-forming panels having opposite side edges and each foldably joined along a first fold to a first side edge of a respective one of the four outer wall-forming panels, said inner wall-forming panels being separate from one another along adjacent side edges and in a container erected from said blank forming first and second pairs of opposed inner wall-forming panels associated, respectively, with the first and second pairs of outer wall-forming panels;
• and
• a reinforcing panel in each said inner wall-forming panel of one of said pairs of opposed inner wall-forming panels, each said reinforcing panel being defined by a generally U-shaped cut extending across a major portion of the width of said inner wall-forming panel and terminating at its opposite ends at the opposite ends of a second fold extending across a major portion of the width of said inner wall-forming panel in parallel spaced relation to said first fold, said reinforcing panel having a free edge and an opposite edge that is connected to the associated inner wall-forming panel along said second fold, said reinforcing panel being foldable about said second fold into a position to lie between the inner wall-forming panel and an associated outer wall-forming panel, with the free edge of the reinforcing panel extending to adjacent an upper edge of a wall of said container to thereby reinforce the wall in a container erected from said blank, said associated outer wall-forming panel extending over and covering the area of said inner wall-forming panel vacated by said reinforcing panel in a container erected from said blank.

A one-piece shipping container made from a single unitary blank of corrugated paperboard assembled in a flattened condition by a manufacturer for shipment to a point of use, where the container can be quickly and easily set up into a fully erected condition ready for use without requiring the use of glue or other fasteners, comprising:

• opposed side walls, opposed end walls, and a bottom, said side and end walls each comprising an inner wall panel and an outer wall panel defining double thickness walls;
• the outer wall panels in the side walls being disposed orthogonally to the outer wall panels in the end walls to define a rectangular or square outer container configuration;
• an extension panel on opposite side edges of a first pair of opposed said inner wall panels, said extension panels extending diagonally across interior corners of the container to define diagonal interior corner panels and form an octagonal interior container configuration;
• said outer wall panels and said inner wall panels each having top and bottom edges;
• at least one locking tab on the bottom edge of said inner wall panels of said first pair, said at least one locking tab engaged in a slot at the juncture between the outer wall panels and the bottom-forming panels to hold the inner wall panels in operative position;
• said bottom comprising a bottom-forming flap foldably joined to the bottom edge of each said outer wall panel, said bottom-forming flaps having interengaged locking means on adjacent outer corners thereof to hold the bottom-forming flaps in operative position, said locking means comprising:
• cut away outer corners on a first pair of spaced apart, parallel, opposed said bottom-forming flaps, forming confronting notches in the outer corners of said opposed flaps of the first pair, with each notch formed by a first cut extending inwardly from a side edge of the respective flap and a second cut extending from an inner end of the first cut perpendicularly outwardly through the free outer edge of the flap, said first and second cuts extending at substantially a right angle to each other;
• and
• inwardly angled side edges of a second pair of said bottom-forming flaps that extend perpendicular to and between the flaps of the first pair, the inwardly angled side edges of each flap of the second pair terminating in a cut extending perpendicularly through the outer free edge of the flap, defining a reduced width locking tongue on the outer free edge thereof, said locking tongue engaged at opposite side edges thereof in the confronting notches in the side edges of opposed flaps of the first pair, with the tongue lying against an interior surface of the flaps of the first pair, and the angled side edges lying against an exterior surface.