Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Patent
1997-02-10
1999-05-11
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
47 84, 22912527, 493102, 493108, 493114, 493390, B65D85/52
Patent
active
059019042
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a package to be provided on and around a box-shaped container having a flanged edge in particular for receiving plants and flowers, which package is manufactured from a material having resilient properties and an inherent stiffness and consisting of a tubular element having an upper edge and a lower edge, which tubular element has a circumferential face formed by panels interconnected by fold lines and is constructed, at least at the lower edge thereof, with an open end, while locking means in the shape of local recesses have been provided near that open end in the panels for letting through a part of the flanged edge and the upper edge has a circumferential dimension suitable for allowing the flanged edge to pass, the arrangement being such that when the package is being provided, the container can be slid into the tubular element from above and when a package has been placed on the container, the parts of the flanged edge that extend through a recess project outside the outer circumference of the package at least in the area around that recess.
Such a package is known from Dutch patent application 9202159. The package disclosed therein is made of a relatively stiff material, the embodiment with the flanged edge portions extending outside the package being intended for substantially round containers. The recesses are provided centrally in the wall panels of the truncated pyramid-shaped package near the narrow open end thereof. The area of the free passage of the package at the location of the recesses is at least equal to the top surface area of the container, so that upon the container being inserted from above, the wall portions can deform resiliently to allow the container to pass until flanged edge portions can reach through the recesses and the package can spring back into its starting position. This requires the use of relatively stiff material and a substantially round shape of the container.
A package for a rectangular container is known from U.S. Pat. No. 2,830,405. Here, however, the container cannot be slid into the package from above but is to be formed around the container. This is a rather labor-intensive method which, when packaging, for instance, plants and flowers, may moreover give rise to damage of those articles, which will hardly ever happen when a container with plants and flowers is being lowered into the package.
The object of the invention is to render a package of the type referred to in the preamble suitable for application to a substantially rectangular container while maintaining a rapid, simple packaging method entailing little chance of damage to the products to be packaged.
This is achieved, in accordance with the invention, if the tubular element is composed of at least three sidewall panels connected in pairs, at least over a part of their height starting from the lower edge, by corner panels, and at least each corner panel is provided with a local recess, while, viewed in circumferential direction of the tubular element, at least two of three successive fold lines between sidewall panels and corner panels, which lines extend in height direction of the tubular element, are not parallel. By these measures a package is obtained which can be reliably secured to a box-shaped container by lowering the box-shaped container from above into the package, whereby the flanged edge of the box-shaped container, as of a particular moment, deforms at least the corner panels in outward direction until flanged edge portions end up in the recesses. At that moment the corner panels spring back into their starting position and the package is snapped securely on the box-shaped container.
It goes without saying that the package in the area above the recesses should be dimensioned such that the box-shaped container can be slid through the package. If a relatively stiff material is involved, then it is preferred that the inner circumference of the package just above the recesses is greater than the outer circumference of the flanged edge of the box-shaped container. When
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Avot Beheer B.V.
Elkins Gary E.
LandOfFree
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