ES2227456T3 - PACK OF CIGARETTES. - Google Patents

Abstract

Pack of cigarettes with an outer part of a prismatic base (5) and a lid (6) articulated thereto to open and close the package (1) and with an inner part (2) that covers the block of cigarettes in a hermetic way to vapors and / or aromas and has a front wall (10), a dorsal wall (12), lateral fins of the front wall (11, 11¿), lateral fins of the dorsal wall (13, 13¿) and an opening of extraction (3) that can be closed by means of an adhesive tab (4) that can be sealed again, characterized in that the inner part (2) is made from a single cut of a rigid and foldable material; because the adhesive tab (4) is articulated on the dorsal wall (12) and covers the extraction opening (3), which is formed by a recess (21) extending from the upper edge (18) of the front wall (10) into it; and because in each case on the front wall (10), next to the recess (21), flap fins (23, 23¿) of the front wall have been articulated in each case, and on each side fin (11, 11 ¿) Of the front wall, next to the flaps of the front wall (23, 23¿), a flap segment (19, 19¿) has been articulated in each case.

Description

Pack of cigarettes.

The present invention relates to a package of cigarettes with an outer part formed by a prismatic base and an articulated lid on it to open and close the package and with a inner part that covers the block of steamed cigarettes and / or aromas and comprises a front wall, a dorsal wall, some lateral fins of the front wall, lateral fins of the back wall, as well as an extraction opening that allows sealing the package again with an adhesive tab.

A pack of cigarettes of this type is known for example by the document US-A-6,164,444. Submit a rectangular folding lid box in its cross section that Contains a cigarette wrap as an inner wrap Composed of a barrier material. Said inner wrap, compact and sealed, it has an extraction opening for Cigarettes that are closed using a separate label. He Barrier material is soft and requires, to seal the joints, a inner support frame that at the same time protects the cigarettes inside mechanical damage and stress thermal during the sealing process. In addition, said framework inside provides support to the lid area to reseal the label after the extraction of a cigarette. This is achieved, in said known cigarette pack, by means of the fins located inside or on the flap of the end zone upper side walls, which form support surfaces that so absorb the pressure produced when closing again the adhesive tongue This document proposes as an alternative to provide the inside of a U-shaped flap that also surrounds in U-shaped extraction opening, when the inner part is folded for use, and that, due to its attachment to the front wall from the inside, forms a support surface for the tongue Adhesive barrier material.

However, said pack of cigarettes known presents some drawbacks. So, in the envelope Airtight cigarettes intervene three different materials which must be supplied separately during the process of packaged and should be placed in their exact position. It would be advantageous use a one-piece material that meets the same purpose but that can be processed more easily and reliably.

Other inconvenience of the document US-A-6,164,444 is the contact direct that exists between the inner cardboard frame with the Wrapped cigarettes As is known, tobacco products, and especially cigarettes, can absorb foreign odors from the cardboard through direct contact, which they can lead to a change in the taste of smoke while smoke For that reason, on numerous occasions it has been tried to avoid direct contact of cigarettes with cardboard by placing another intermediate layer Additional aromatic barrier layers of this type they can be, for example, laminated aluminum foil, foil or similar materials.

From WO 98/49072 a package is known of the type "Slide and Shell" (that is, it is not a pack with lid) for cigarettes and the like, in which cigarettes are wrapped by an inner wrap for Keep moisture and aroma. The inner wrap is formed by a strip of material made of a soft multilayer laminate which is placed by wrapping the block of cigarettes and then it seal.

Finally, by WO 99/28212, know a rigid cigarette pack wrapped by a material of barrier formed by a plastic laminated sheet or a sheet metallized

The objective of the invention is to improve a package of cigarettes of the type described in such a way that it can be manufactured more easily protecting the block from cigarettes

To achieve that goal, the pack of cigarettes of the type mentioned at the beginning, which It has the characteristics indicated in claim 1.

According to the invention, the inner part can be stamped as a flat cut of a vapor-tight material and aromas, for example cardboard, coated at least on one side by a barrier material, such as plastic or metal, or any other suitable sheet.

Next, the invention will be explained with greater detail through some embodiments Examples, in whose drawings the figures show:

Figure 1, a first embodiment example, in perspective representation, with a package and the interior part;

Figure 2, the inner part of Figure 1 in unfolded form, as clipping;

Figure 3, a schematic cross section of an exemplary embodiment, with a package rectangular and a rectangular inner part;

Figure 3a, a schematic cross section of an exemplary embodiment, with a package rectangular and an octagonal inner part;

Figure 3b, a schematic cross section of an exemplary embodiment, with a package rectangular and a rectangular inner part with corners rounded;

Figure 3c, a schematic cross section of an exemplary embodiment, with a package rectangular and an oval inner part;

Figure 4, a schematic cross section of an exemplary embodiment, with a package octagonal and an octagonal inner part;

Figure 4a, a schematic cross section of an exemplary embodiment, with a package octagonal and a rectangular inner part;

Figure 4b, a schematic cross section of an exemplary embodiment, with a package octagonal and a rectangular inner part with corners rounded;

Figure 4c, a schematic cross section of an exemplary embodiment, with a package octagonal and an oval inner part;

Figure 5, a schematic cross section, with a rectangular package with rounded corners and a part rectangular interior;

Figure 5a, a cross section schematic, with a rectangular package with rounded corners and an octagonal inner part;

Figure 5b, a schematic cross section with rectangular package with rounded corners and inside rectangular also with rounded corners;

Figure 5c, a cross section schematic, with a rectangular package with rounded corners and an oval inner part;

Figure 6, a schematic cross section of an exemplary embodiment, with an oval package and an octagonal inner part;

Figure 6a, a schematic cross section of an exemplary embodiment, with an oval package and a rectangular inner part;

Figure 6b, a schematic cross section of an exemplary embodiment, with an oval package and a rectangular inner part with rounded corners; Y

Figure 6c, a schematic cross section of an exemplary embodiment, with an oval package and an oval inner part.

Figure 1 shows, on the right side, a 1 octagonal package as a pack of cigarettes in the form of a pack with folding lid with a base 5 and a swinging lid 6 articulated on a folding line. In base 5 it is inserted an inner part 2 presenting, in the embodiment Example represented, a cross-sectional shape different from that of base 5, since it is rectangular. However, it warns that the cross section of the inner part 2 also it can be octagonal, as shown in Figure 4, in which Package 1 must be rectangular in its cross section. By of course, package 1 and inner part 2 can also present the same cross-sectional shape, that is, both They can be rectangular, octagonal or oval. Additionally, in the case of rectangular cross sections, the corners they may be rounded or the side walls may have a semicircular shape, as is the case with the package of cigarettes represented in document PCT / EP98 / 04131.

The inner part 2 has an opening of extraction 3 to extract the cigarettes when the lid 6 is folded back, as shown in Figure 1, and a adhesive tab 4 has been separated from the inner part 2 likewise in the represented way. From Figure 2 it can be seen that the adhesive tab 4 hangs from a side wall 12 of the part interior 2 and can be adhered with an adhesive flange consisting of a sealing or gluing 44 of plastic in each case the segment of flap 19, 19 'of the inner part 2 to be able to close the part interior 2 hermetically to vapors and aromas just like a barrier layer

Figure 2 shows the inner part 2 by itself same deployed as a cutout of a barrier material. How materials for trimming can be mentioned metallic cardboard or plasticized, plastic sheet or similar. In a first way of embodiment, the inner part 2 has been stamped or cut from a cardboard cutout of barrier material; in another form of realization has been made of a plastic sheet, so that when is folded, forms a container that acts as a vapor barrier and aromas, formed by a front wall 10, a dorsal wall 12, with side walls 14 and 14 'and a bottom 16.

The cutout for the inner part 2 presents right to left, in Figure 2, the following joined pieces each other successively and only separated by fold lines: the front wall 10, a bottom 16, the dorsal wall 12 and the tongue adhesive 4. The front wall 10 is followed up and down, and by both sides, the lateral fins of the front wall 11, eleven'; to the floor 16 the lateral fins of the bottom 15, 15 'and back wall 12 are joined again up and down and therefore on both sides, the lateral fins of the dorsal wall 13, 13 '. When the cutout is folded, the side fins of the dorsal wall 13, 13 'are covered by the lateral fins of the front wall 11, 11 'and are glued or sealed to them thus forming the side walls 14, 14 'that can can be seen in Figure 1. Additionally, the lateral fins of the bottom 15, 15 'are glued or sealed to the lateral fins of the back wall 13, 13 'thus stabilizing the bottom 16 and the dorsal wall 12 of the inner part 2. The lateral fins 11, 11 ', 13, 13' and 15, 15 'are separated from the front wall 10, of the dorsal wall 12 and bottom 16 by folding lines 20, twenty'.

The front wall 10 of the inner part 2 it also presents, on the right edge of Figure 2, which is the edge upper 18 when the inner part 2 is folded as it is shown in Figure 1, a U-shaped recess 21 that is extends downward from edge 18 parallel to the walls lateral 14, 14 'and ends at a distance of 0.5 to 3 cm. Of this mode an extraction opening 3 is formed to extract the cigarettes In addition, in the area next to the recess 21, a the front wall 10 follows on each side a flap fin 23, 23 ' of the front wall, which when folded according to Figure 1, is covered in each case by the flap segment 19, 19 'and which Paste or seal it. To this end, the flap segment 19, 19 'next to the flap flaps of the wall front 23, 23 'but without joining them, but hanging from the fins sides of the front wall 11, 11 'to which they are attached by a folding line located on the upper edge 18 of the inner part 2.

Therefore, cigarettes, which have not been represented in Figure 1, they are partially supported in each case through the segment of flaps 19, 19 'that extend throughout the width of the side walls 14, 14 'and one part of the wall front 10 and ending at the edges of the extraction opening 3.

Figure 2 also shows the adhesive tab 4, already mentioned in relation to Figure 1, formed by a material Airtight to vapors and aromas. It presents a form similar to that of the extraction opening 3 located on the front wall 10, but exceeds the width of the extraction opening 3 in the width of a gluing or sealing flange 44. In one embodiment, the gluing or sealing flange 44 is formed by gluing a protective sheet 43 to the adhesive tab 4, leaving only a flange of glued of a width as it corresponds in each case to the segment of flap 19, 19 'of the inner part 2. In another form of embodiment, the gluing or sealing flange 44 has the form of a strip all of the same width. In said embodiment, the gluing or sealing flange 44 forms an open curve, approximately U-shaped, as can be clearly seen by drawing A fold line 42 crosses the tongue adhesive 4 transversely and therefore also the sheet protective 43 transversely, continuing along the flange of glued or sealed 44, so that when the adhesive tab 4 it is folded over the extraction opening 3 and adhered to the wall front 10 and in each case to the flap segment 19, 19 ', the line of folding 42 aligns with the upper edge 18 of the inner part 2.

In the embodiment represented, in each case the flap segment 19, 19 'arrives from the side walls 14, 14 'to the edge of the extraction opening 3. In addition, its free edge 119 runs parallel to the side walls 14, 14 '. However, it is noted that in each case the free edge 119 of the flap segment 19, 19 'may have different shapes than the straight, such as concave or convex or other Similar.

In another embodiment, the tongue adhesive consists of a single piece and the same material as the rest of the cutout of the inner part 2, having been applied to the glue or seal 44 a suitable adhesive by counterprint

Finally, Figures 3 to 6 show that in a Package 1 rectangular, octagonal or oval, can be inserted a 2 rectangular, octagonal or oval interior part 2.

Figure 3 shows in detail a 1 'package rectangular in which an inner part 2 has been inserted rectangular.

Figure 3a shows a rectangular 1 'package in which has inserted an inner 2 'octagonal part.

Figure 3b shows a 1 'rectangular package in which has also inserted a 2 '' rectangular inner part, but with rounded corners 20. Rounded corners are extend over the entire height of the inner part 2 '', that is, from bottom 16 to top edge 18.

Figure 3c again shows a 1 'package rectangular in which an inner part 2 '' 'has been inserted oval

Figures 4 to 4c, 5 to 5c and 6 to 6c show similar representations in which the same pieces of the same reference figures.

As can be clearly seen, in the following embodiments according to Figures 4, 5 and 6, each shape of the cross section of package 1 is always the same, while the shape of the cross section of the inner part 2 inserted is modified.

Claims (10)

1. Cigarette pack with an outer part of a prismatic base (5) and a lid (6) articulated thereto to open and close the package (1) and with an inner part (2) that covers the block of cigarettes so Airtight against vapors and / or aromas and has a front wall (10), a dorsal wall (12), lateral wings of the front wall (11, 11 '), lateral fins of the dorsal wall (13, 13') and an extraction opening (3) that can be closed by an adhesive tab (4) that can be sealed again, characterized in that the inner part (2) is made from a single cut of a rigid and foldable material; because the adhesive tab (4) is articulated on the dorsal wall (12) and covers the extraction opening (3), which is formed by a recess (21) extending from the upper edge (18) of the front wall (10) into it; and because in each case on the front wall (10), next to the recess (21), flap fins (23, 23 ') of the front wall have been articulated in each case, and on each side fin (11, 11 ') of the front wall, next to the flaps of the front wall (23, 23'), a flap segment (19, 19 ') has been articulated in each case. 2. Cigarette pack according to claim 1, characterized in that the inner part (2) is made of metallized cardboard or plastic coated or of a plastic sheet or the like. 3. Cigarette pack according to claim 1, characterized in that an adhesive flange as a sealing flange (44) has been applied to the adhesive tongue (4) over the entire periphery. 4. Cigarette pack according to claim 1, characterized in that a protective sheet (43) has been applied to the adhesive tongue (4) that only leaves a sealing flange (44) free of the adhesive layer. 5. Cigarette pack according to claim 4, characterized in that the sealing flange (44) forms a U-shaped adhesive strip. 6. Cigarette pack according to claim 1 or 2, characterized in that the two flap segments (19 ') are attached to the two flap flaps (23, 23') of the front wall. 7. Cigarette pack according to claim 1 or 2, characterized in that the cross section of the package (1) is octagonal and the cross section of the inner part (2) is rectangular. 8. Cigarette pack according to claim 1 or 2, characterized in that the cross sections of the packet (1) and the inner part (2) are rectangular. 9. Cigarette pack according to claim 1 or 2, characterized in that the cross sections of the pack (1) and the inner part (2) are octagonal. 10. Cigarette pack according to claims 1 or 2, characterized in that the cross section of the package (1 ') is rectangular and the cross section of the inner part (2') is octagonal.