Hinged-lid box for cigarettes

Details Hinged-lid box for cigarettes Hinged-lid box for cigarettes

1999-11-05

2001-10-16

Shoap, Allan N. (Department: 3727)

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

C206S268000, C206S273000

Reexamination Certificate

active

06302322

ABSTRACT:

BACKGROUND OF THE INVENTION
The invention relates to a hinge-lid box (hinge-lid pack), in particular for cigarettes, comprising a single-piece blank made of (thin) cardboard for forming a box part with a box front wall, box rear wall, box side walls and base wall and for forming a lid with a lid front wall, lid rear wall, lid side walls and end wall, and also having a collar comprising a collar front wall and collar side tabs, the collar being connected, in the region of the collar front wall, to the box front wall via residual connections or webs which, when the blank is folded, can be folded in a Z-shaped manner such that the residual connections or webs butt against the inside of the box front wall.
Various designs are known for hinge-lid boxes comprising blanks in which the collar is connected integrally to a main blank for the box part and lid. In the case of the hinge-lid box according to EP 6 872, webs are arranged, as means for connection to the collar, on the upright sides of the box front wall. By virtue of its position relative to the box front wall being changed, said collar is folded into the pack-specific position, in which case the webs are moved into a Z-shaped folded position.
The hinge-lid box according to DE 27 59 178 is of similar configuration, the foldable connection between the box front wall and collar front wall extending over the entire width of the box front wall.
SUMMARY OF THE INVENTION
The object of the invention is to develop further, and improve, hinge-lid boxes of the above described design such that production is made easier and the outer appearance of the finished hinge-lid box is improved.
In order to achieve this object, the hinge-lid box according to the invention is characterized in that the collar front wall, which butts against the (Z-shaped) folded webs on the inside, has a cutout or depression in the region of the webs, the relevant web passing at least partially into said cutout or depression.
The hinge-lid box according to the invention is based on the finding that the residual connections or webs in the folded position, that is to say in the position between the collar front wall and box front wall, create an additional material layer and thus a thickened formation. This is wholly or partially eliminated according to the invention by virtue of the cutout or depression in the collar front wall, in the region of the folded web, with the result that the latter is at least predominantly located in the cutout and a local thickened formation in the material is thus avoided.
According to the invention, the positioning and dimensions of the cutout are adapted to the dimensioning and positioning of the web when folded. By virtue of a specific configuration of the webs, namely by virtue of a transversely directed partial cut in the region of a folding articulation, the folded web can assume a clamping position in the cutout of the collar front wall and can thus fix the folded position of the collar or of the webs.
A further special feature of the invention consists in proposing an advantageous design of the single-piece blank for a special type of hinge-lid box, namely those with rounded longitudinal edges or bevelled longitudinal edges (of octagonal cross-section).


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