Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Reexamination Certificate
1999-06-24
2001-05-01
Elkins, Gary E. (Department: 3727)
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
C229S145000, C229S186000, C229S906000, C493S080000, C493S153000, C493S162000
Reexamination Certificate
active
06223978
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a package, and, more particularly, to an easily erected package for round food items such as cakes and pizzas and for round hard goods such as disc brake rotors.
BACKGROUND OF THE INVENTION
The typical package for a product is of a square or rectangular configuration. These packages are stored in a flat configuration and erected by hand when the package is needed for a retail product.
Although a square or rectangular package configuration is adequate for many products, it is less desirable for round products such as pizzas, cakes and round hard goods such as disc brake rotors. A round product in a square or rectangular package is not securely held in position such that if the package is tilted, the product can more easily shift and can be damaged. In order to protect round products it is desirable to provide a package that is more nearly round than square.
An advantage of existing square or rectangular packages, however, is typically they can be erected quickly by hand. It is preferable that any other package shape also have this capability.
Round packages are available but many of these are of a weak vertical structural strength. This weakness limits the stackability of these packages because they cannot support the weight of several packages stacked onto each other. Thus, structural strength, particularly vertical structural strength, is a desirable feature of any package configuration. Existing round packages are also difficult to erect, and it is desirable to provide a round package that can be quickly erected.
SUMMARY OF THE INVENTION
The present invention is directed to a package for round products including food products such as pizzas and cakes and hard goods such as disc brake rotors. The package of the present invention is generally octagonal and includes a bottom and a cover or lid hinged to the bottom. The cover includes side walls and a locking flap for securing the cover in a closed position onto the bottom. The bottom includes two side walls, a front wall and a rear wall. Bridging panels hingedly interconnect the front wall and the rear wall to each side wall so that as the bottom is erected, the bridging panels cause the rear, front and side walls to erect as a unit. The bridging panels fold into corners of the octagonal package providing vertical structural strength.
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Elkins Gary E.
Jenkens & Gilchrist
Packaging Corporation of America
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