Flat container

This application claims the benefit of Swiss Patent Application Nos. 01821/07, filed Nov. 26, 2007 and 01650/08, filed Oct. 17, 2008, both of which are incorporated by reference herein as if fully set forth.

The invention is directed to a flat container for cigarettes, cigars, sweets, and the like.

Expensive cigarettes, cigars, cigarillos, and the like, but also sweets are often sold in sheet-metal containers, because, on one hand, they can be stored in these containers protected against damage and, on the other hand, a high degree of air and water-vapor tightness is guaranteed up until the first opening. Tightness is a problem because the closing of sheet-metal containers with hinged covers is difficult, which is why the goods are often sealed, for example, in aluminum foil or a laminate film and only then placed in the box.

One object of the present invention lies in sealing the bottom part of the container, i.e., the container bottom, in which lie the goods (cigarettes, cigars, etc.), as tight as possible against air and water vapor. Another objective of the invention is allowing the closure creating the air and water-vapor tightness to be removed from the container bottom without a tool.

These objectives are met by a container according to the invention. Advantageous configurations of the container are described below and in the claims.

Through a suitable shaping of the container bottom, a film or membrane can be bonded or sealed to the bottom. The sealing surface is here formed by a step with a shoulder that gives a sufficiently large bonding surface between the membrane and container bottom. The sealing of the membrane after the container bottom is filled with the goods to be stored can be performed in a very simple way by a heated stamp. Through the full surface contact of the container bottom on a support surface, the sealing heat can be optimally transferred and thus the product can be protected from heat. Also here, the container bottom is not deformed. The shaping of the sealing surface according to the invention permits a precise centering of the sealing membrane completely in the interior of the lidded container or case. The detachment/peeling off of the membrane is easily possible by hand without the aid of tools. Here, the entire container cross-sectional surface is left free from residue. The container can also be produced cost-effectively by a deep-drawing process and is completely recyclable after being emptied, because no plastic parts are connected to the container.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will be explained in more detail with reference to an illustrated embodiment. Shown are:

FIG. 1 is a perspective view of a closed container with a container bottom and a container top,

FIG. 2 is a perspective view of the container according to FIG. 1, with the front halt cut away,

FIG. 3 is a perspective view of the container viewed from behind,

FIG. 4 is a perspective view of the opened container with partially detached closure membrane,

FIG. 5 is a perspective view of the opened container, membrane removed,

FIG. 6 is an enlarged cross sectional view through the rear edge region of the container without sealed film,

FIG. 7 is an enlarged cross sectional view through the rear edge region of the container with sealed film,

FIG. 8a is a partial cross sectional view through another construction of the container bottom with container top placed on top,

FIG. 8b is a partial cross sectional view through the container bottom in FIG. 8a without cover,

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Fitting for beverage container
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Industry Class:
Receptacles

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