Envelope with detachment flap and container surrounded by such envelope

Abstract

An envelope intended to surround at least one section of at least one container, the envelope comprising at least one main heat-shrinkable tape (2) having at least one preferred shrink direction. According to the invention, the envelope includes at least one additional flap (5) comprising: - A base (6) attached to the main tape so as to be fixed to the main tape at least at each of the longitudinal edges of the main tape, the main tape and the flap thus jointly forming a closed sleeve, - A gripping tab (7) extending from the base without itself being fixed to the main tape, at least said tab being made of a material different from that of the main tape. The invention also relates to a container surrounded by such an envelope.

Description

[0001] The invention relates to an envelope comprising a flap having a gripping tab not attached to the rest of the envelope.

[0002] The invention also relates to a container covered with such a safety envelope. BACKGROUND OF THE INVENTION

[0003] In certain areas, it is important to provide containers with devices that guarantee they cannot be opened, in particular to prevent counterfeiting such as the crime of refilling.

[0004] In the field of wine and spirits bottles, it is common practice to overmold the cork using a capsule that is either stamped onto the bottle or crimped onto it. However, counterfeiters have little difficulty replacing an original capsule with another, so a simple overcap does not offer sufficient protection.

[0005] Thus, in an attempt to enhance protection, it is also known to cover the neck of the container with a cap with a heat-shrinkable plastic sleeve. To open the container, the heat-shrink sleeve must be removed, which necessitates destroying it.

[0006] Such a sleeve thus makes it possible to further secure the associated container.

[0007] To allow the consumer to easily remove the sleeve, it is common practice to equip heat-shrink sleeves with pre-cuts or micro-perforations defined by cutting patterns adapted to specific uses: for example, two parallel lines of perforations. The user can then pull on the strip delimited by the two perforation lines (known as a "tear strip") to quickly and efficiently tear the entire sleeve.

[0008] However, the user is then left with the sleeve on one side and the tire repair tool on the other, both of which must be thrown away. The tire repair tool is very small, forming a "micro-waste" that is difficult to recycle and can easily end up in the environment if the sleeve is torn on the outside.

[0009] This is obviously not desirable from an environmental point of view. SUBJECT OF THE INVENTION

[0010] The invention aims to provide a new, more environmentally friendly type of container, particularly for containers.

[0011] The invention also relates to a container covered with such a covering. SUMMARY OF THE INVENTION

[0012] With a view to achieving at least part of this goal, we propose an envelope intended to surround at least one section of at least one container, the envelope comprising at least one main ribbon of heat-shrinkable material having at least one preferred shrinkage direction.

[0013] According to the invention, the envelope comprises at least one additional flap including: A base attached to the main ribbon so as to be secured to the main ribbon at least at each of the longitudinal edges of the main ribbon, the main ribbon and the flap thus jointly forming a closed sleeve, A gripping tab extending from the base without itself being secured to the main ribbon, at least said tab being made of a different material from that of the main ribbon.

[0014] Thus, when a user wishes to use the container, they will pull on the gripping tab. The pull exerted on the tape will then tear it, for example, along a break line located near a junction point between the base of the flap and the main tape.

[0015] Because the flap is not formed by the main ribbon itself but is attached to it, the flap will remain attached to the ribbon even if the ribbon breaks. The user therefore removes the envelope from the container in one piece (the flap remaining attached to the main ribbon). The risk of losing part of the envelope in the environment is thus drastically reduced.

[0016] Furthermore, the envelope thus forms a waste product that is more easily recycled.

[0017] The invention therefore makes it possible to secure a container while being more environmentally responsible than existing solutions.

[0018] In this application, "material" refers to all the materials forming the tape or flap. The material may therefore be made of a single material or several materials, each material itself being derived from a composition that may comprise a single component or a plurality of components. Thus, when it is stated that the tape is made of a "heat-shrinkable material," the tape may be made of a single layer or several layers, each layer being made of a different material. Whether the tape has a single layer or several layers, at least one layer may be made of a composition comprising a single component or several components. For example, each layer may be made from a composition comprising a single type of polymer or several types of polymers. The same reasoning applies, of course, to the flap.

[0019] For this application, unless otherwise stated, the temperatures and characteristics indicated are associated with atmospheric pressure.

[0020] Optionally, the flap as a whole is made of a different material than the main tape. Optionally, at least the tab is made of a plastic material whose base polymer is identical to that of the plastic material of the tape.

[0021] Optionally, the ribbon and / or at least the tab is made of or based on a material that is at least partially bio-based. Optionally, the ribbon and / or at least the tab is made of a material that is at least partially recycled. Optionally, the ribbon and / or at least the tab is made of a compostable material.

[0022] Optionally, the two longitudinal edges of the tape may not have an overlapping zone. Optionally, the tape may have at least one area of ​​weakness.

[0023] Optionally, the flap and / or ribbon may contain at least one print.

[0024] Optionally, the shutter carries at least one electronic component.

[0025] The invention also relates to a container surrounded by an envelope such as the one mentioned above.

[0026] Other features and advantages of the invention will become apparent from the following description of particular, non-limiting embodiments of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The invention will be better understood in light of the following description with reference to the attached figures, among which: [ Fig. 1 ] is a schematic perspective view of a safety enclosure according to a first embodiment of the invention; [ Fig. 2 ] is a schematic top view of the envelope shown in the figure 1 ; Fig. 3 ] is a front view of an unfolded ribbon of the envelope shown in the figure 1 ; Fig. 4 ] is a front view of an unfolded flap of the envelope shown in the figure 1 ; Fig. 5 ] is a perspective view of a container covered by the envelope shown in the figure 1 , [ Fig. 6 ] is a schematic top view of an envelope according to a second embodiment of the invention; [ Fig. 7 ] is a schematic top view of an envelope according to a third embodiment of the invention; [ Fig. 8 ] is a schematic top view of an envelope according to a fourth embodiment of the invention; [ Fig. 9 ] is a schematic top view of an envelope according to a fifth embodiment of the invention; [ Fig. 10 ] There figure 10 is a side view of a sheath comprising several layers such as those shown in the figure 1 . DETAILED DESCRIPTION OF THE INVENTION

[0028] With reference to figures 1 à 5 , the envelope 1 according to the first embodiment of the invention comprises a main ribbon 2.

[0029] In the first embodiment, the ribbon 2 forms a flat rectangle extending longitudinally along a first axis X and laterally along a second axis Y, orthogonal to the first axis X. The ribbon 2 thus has two longitudinal ends 3a, 3b (on either side of the first axis X) and two lateral ends 4a, 4b (on either side of the second axis Y).

[0030] Tape 2 is heat-shrinkable.

[0031] Tape 2 here is single-layer, said layer being made of a heat-shrinkable plastic material.

[0032] The tape 2, for example, is obtained by cutting a film from said heat-shrinkable plastic material, the film having been stretched to give it a single preferred shrink direction or several preferred shrink directions. At least one preferred shrink direction is preferably along the X direction or along the Y direction.

[0033] Ribbon 2, for example, is based on, or made of, polyester such as polyethylene terephthalate (better known by the acronym PET) or polylactic acid (better known by the acronym PLA).

[0034] Regardless of the material of ribbon 2, it can be formed from a composition comprising at least a portion of recycled material. For 100 parts of the composition, the composition includes between 0 and 100 parts by weight of recycled material, and for example, between 0 and 60 parts by weight of recycled material, and for example, between 0 and 50 parts by weight of recycled material, and for example, between 0 and 30 parts by weight of recycled material, and for example, between 0 and 20 parts by weight of recycled material. This recycled material can be pre- or post-consumer.

[0035] Ribbon 2 can therefore be compostable depending on the material used.

[0036] Furthermore, envelope 1 includes at least one additional flap 5 associated with the aforementioned ribbon 2.

[0037] The flap 5 comprises, for this purpose, a base 6 extended by a tab 7. Preferably, the flap 5 is a single piece. The base 6 and the tab 7 are therefore a single unit. Preferably, there is therefore no physical joint between the base 6 and the tab 7. The entire flap 5 is thus made of a single material.

[0038] In the first embodiment, the flap 5 forms a flat rectangle extending longitudinally along a first axis A and laterally along a second axis B, orthogonal to the first axis A. The flap 5 thus has two longitudinal ends 8a, 8b (on either side of the first axis A) and two lateral ends 9a, 9b (on either side of the second axis B).

[0039] The flap 5 is attached to the ribbon 2 in such a way as to be fixed to it. It is therefore clear that the flap 5 and the ribbon 2 are not a single piece. Thus, the flap 5 and the ribbon 2 are not a single unit. There is indeed a physical connection between the flap 5 and the ribbon 2.

[0040] The flap 5 is also defined so that its height (considered along the first axis A) is here equal (to plus or minus 2%) to the height (considered along the second axis Y) of the ribbon 2.

[0041] The flap 5 is attached to the tape 2 so that its first axis A extends parallel to the second axis Y of the tape 2 and / or so that its second axis B extends parallel to the first axis X of the tape 2.

[0042] Flap 5 is optionally taller than it is wide when in place on strip 2.

[0043] The flap 5 is also attached so that the ribbon 2 and the flap 5 together form a closed sleeve 10. This closed sleeve 10 thus extends longitudinally along an axial direction D which is parallel here to the first axis A and the second axis Y.

[0044] Before being placed on a container R, the sleeve 10 is flattened: it therefore has two folds 11, 12 allowing it to flatten. Preferably, these folds 11, 12 extend parallel to each other. Preferably, these folds 11, 12 extend parallel to the axial direction D and / or the first axis A and / or the second axis Y.

[0045] Preferably, the two folds 11, 12 are formed at the ribbon 2. The flap 5 is thus not folded.

[0046] Preferably, the ribbon 2 is folded so as to present a central side 13 extended on one side by a first panel 14 (the first fold 11 separating the central side 13 from the first panel 14) and on the other side by a second panel 15 (the second fold 12 separating the central side 13 from the second panel 15). The central side 13 is thus framed on both sides by the panels 14 and 15. It is therefore understood that the panels 14 and 15 extend on either side of the central side 13 along the first axis X. Preferably, the folds 11 and 12 are such that the length (along the first axis X) of the central side 13 is equal (to within ±2%) to the sum of the two lengths (along the first axis X) of the two panels 14 and 15. Preferably, the two panels 14 and 15 are identical. In particular, the length of the panels (along the first X-axis) is identical here. Ribbon 2 is optionally folded symmetrically.

[0047] In the first embodiment, the ribbon 2 is folded so as to remain open. A gap 16 is thus present between its two longitudinal ends 3a, 3b. This gap 16 has, for example, a length (along the first axis X) within the interval ]0; 5 millimeters] and preferably within the interval ]0; 4 millimeters] and preferably within the interval ]0; 3 millimeters].

[0048] In contrast, flap 5 is positioned on strip 2 so as to cover this gap 16. Thus, flap 5 and strip 2 form the sleeve 10, which is securely closed. Naturally, flap 5 covers the gap via the outside of strip 2 (as opposed to the inside of strip 2, which is designed to rest against the container R). In this case, it is base 6 that closes this gap 16. Base 6 is thus secured to the two panels 14 and 15.

[0049] For example, the base 6 has a first joining face 17 and a second joining face 18. Preferably, these two joining faces 17 and 18 extend parallel to each other. These joining faces 17 and 18 here form rectangles on the base 6. It is understood that these joining faces 17 and 18 are integral with the rest of the base 6 and are defined here only to illustrate the connection of the base 6 to the ribbon 2.

[0050] Preferably, these two connecting faces 17, 18 extend over the entire height (along the first axis A) of the base 6. Preferably, a first connecting face 17 forms a first lateral edge of the base 6, and preferably a second connecting face 18 forms a second lateral edge of the base 6. The two faces 17, 18 thus form the edges (along the second axis B) of the base 6. The width of at least one of the connecting faces 17, 18 (along the second axis B) is, for example, between 1 and 5 millimeters and is, for example, between 2 and 3 millimeters. Preferably, the two connecting faces 17, 18 are identical to each other.

[0051] Correspondingly, ribbon 2 comprises a first joining face 19 and a second joining face 20. Preferably, these two joining faces 19 and 20 extend parallel to each other. These joining faces 19 and 20 here form rectangles on the base 6. It is understood that these joining faces 19 and 20 are integral with the rest of ribbon 2 and are defined here only to clarify the connection of the base 6 to ribbon 2.

[0052] Preferably, these two joining panels 19, 20 extend along the entire height (along the second Y-axis) of the ribbon 2. Preferably, a first joining panel 19 forms a first longitudinal edge of the ribbon 2, and a second joining panel 20 forms a second longitudinal edge of the ribbon 2. The two panels 19, 20 thus form the edges (along the first X-axis) of the ribbon 2. It is therefore understood that these two edges frame the gap 16 and are aligned when the ribbon 2 is folded. The width of at least one of the joining panels 19, 20 (along the first X-axis) is, for example, between 1 and 5 millimeters, and for example, between 2 and 3 millimeters. Preferably, the two joining panels 19, 20 are identical.

[0053] The base 6 is attached to the ribbon 2 at their respective joining faces, one of the joining faces 17, 18 of the base 6 resting on another of the joining faces 19, 20 of the ribbon 2. It is recalled that the base 6 is attached to the ribbon 2 on the outside of it.

[0054] Base 6 is preferably sealed onto ribbon 2. For this purpose, base 6 is for example chemically bonded (e.g. by solvent glue) and / or thermally bonded (e.g. by local heating according to the generic principle of assembly without the addition of material by intermolecular diffusion) to ribbon 2.

[0055] In contrast, tab 7 is left free and is therefore not attached to tape 2. Since flap 5 is positioned outside tape 2, tab 7 remains accessible to a user even when envelope 1 is in place on container R. In particular, tab 7 protrudes from the rest of envelope 1 because it is not sealed to tape 2. Tab 7 thus forms a free edge of flap 5.

[0056] Preferably, the tongue 7 has the same height as the base 6 (along the first axis A).

[0057] On another point, at least the tab 7, and preferably here the whole flap 5, is made of a different material than that of the ribbon 2.

[0058] It is important to remember that a heat-shrinkable product (such as tape 2 in this case) will undergo deformation when exposed to a temperature above its glass transition temperature. Specifically, the product will shrink (negative deformation) in its direction(s) of stretching and will expand (positive deformation) in a direction normal to its direction(s) of stretching.

[0059] For example, if ribbon 2 is exposed to a temperature 10 degrees Celsius above its glass transition temperature, its negative deformation will be greater than 5%.

[0060] In this case, flap 5 must not undergo the same deformations as ribbon 2 when the latter is retracted.

[0061] Therefore, the material for section 5 must be chosen accordingly.

[0062] For example, flap 5 is not made of a heat-shrinkable material or is made of a heat-shrinkable material whose glass transition temperature is higher than that of tape 2 and preferably much higher than that of tape 2. By "much higher" we mean that the glass transition temperature of flap 5 is at least 60 degrees Celsius higher than that of tape 2 and for example at least 100 degrees Celsius higher.

[0063] For example, flap 5 is made of a material such that it is thermostable at the glass transition temperature of ribbon 2 and / or at the temperature to which ribbon 2 is heated to ensure its shrinkage onto the container and / or within a temperature range around the glass transition temperature Tg of ribbon 2 (for example, such a range is defined by [Tg - 40 degrees Celsius; Tg + 80 degrees Celsius] and, for example, by [Tg - 20 degrees Celsius; Tg + 60 degrees Celsius]). Flap 5 can thus be both thermostable during the shrinkage of ribbon 2 and (or not) also have a heat-shrinkable characteristic.

[0064] It is important to remember that a thermostable product will not deform when exposed to a temperature below its melting point. Specifically, the product will not deform in any direction (within a 5% tolerance) at a temperature below its melting point.

[0065] In this case, flap 5 is chosen to be thermostable at the glass transition temperature of ribbon 2 or to be thermostable within a given temperature range around this glass transition temperature. For example, if flap 5 is exposed to a temperature 10 degrees Celsius above the glass transition temperature of ribbon 2, the flap's deformation will be less than 5% regardless of the spatial direction.

[0066] For example, to meet this aforementioned thermo-stability condition, part 5 is: in a crystalline material, and for example in a crystalline thermoplastic material, and / or in a material not stretched along at least one preferred direction and for example in a thermoplastic material not stretched along at least one preferred direction, and / or in a material that has undergone at least one heat treatment (such as annealing) and for example in a thermoplastic material that has undergone at least one heat treatment (such as annealing), Etc.

[0067] Preferably, the material of flap 5 is chosen so that flap 5 softens at the glass transition temperature of ribbon 2 or within a given temperature range around this glass transition temperature. For this purpose, the material is, for example, chosen to have a melting and / or glass transition temperature higher than the glass transition temperature of ribbon 2. The melting and / or glass transition temperature of flap 5 is, for example, less than 100 degrees higher than the glass transition temperature of ribbon 2.

[0068] Thus, the combination of this softening with the retraction force of ribbon 2 on flap 5 (due to the retraction of ribbon 2) allows base 5 to deform slightly (while remaining within the 5% limit mentioned above to maintain its thermo-stability). Base 5 can therefore somewhat conform to the shape of container R. It is understood, however, that without the aforementioned retraction force, base 5 would not undergo any deformation.

[0069] Optionally, flap 5 is made of the same material as ribbon 2; that is, flap 5 is made of a plastic material whose base polymer is identical to that of the plastic material of ribbon 2. However, unlike that of ribbon 2, the plastic material of flap 5 is in a thermostable transformation state at the glass transition temperature of ribbon 2 and / or within a defined interval around said glass transition temperature. Thus, flap 5 is indeed made of a different material than ribbon 2 (in fact, at least one characteristic of the material of flap 5 and ribbon 2 is different).

[0070] It is therefore advantageous to construct flap 5 and ribbon 2 from the same plastic film, the film being stretched in a second step to form ribbon 2 while the film used to form flap 5 is not stretched and / or while the film used to form flap 5 undergoes at least one additional heat treatment (compared to the film from which ribbon 2 is formed).

[0071] This promotes synergy between base 6 and ribbon 2. This facilitates the recycling of envelope 1.

[0072] Part 5, for example, is based on, or made of, polyester such as Polyethylene terephthalate (better known by the acronym PET) or Polylactic acid (better known by the acronym PLA).

[0073] Regardless of the material in section 5, it can be formed from a composition that includes at least a portion of recycled material. For every 100 parts of the composition, the composition includes between 0 and 100 parts by weight of recycled material, and for example, between 0 and 50 parts by weight of recycled material, between 0 and 30 parts by weight of recycled material, and between 0 and 20 parts by weight of recycled material. This recycled material can be pre- or post-consumer.

[0074] Part 5 can therefore be composted depending on the material used.

[0075] The envelope 1 thus described can therefore be arranged around the container R in order to surround a section of said container R at 360 degrees.

[0076] For example, the envelope 1 can surround the container R so as to extend from a lower part of the container R to an upper part of the container R and for example to the stopper Bo of the container R. The envelope 1 can extend so as to cover at least partially, an upper face of the stopper Bo.

[0077] In this position, the X and A axes extend along the axial direction H of the container R (which is vertical when the container R rests on a horizontal base) and the Y and B axes extend along a circumferential direction of the container R.

[0078] The envelope 1 is then attached to the container 3 by heat shrinking.

[0079] Therefore, envelope 1 protects container 3 from unauthorized opening. Envelope 1 is thus a security envelope.

[0080] Furthermore, when the user wishes to open container R, they simply pull on tab 7 (which protrudes from the rest of the envelope 1) to cause a tear in the remaining envelope 1, which will remain intact, with tab 7 remaining attached to the tape 2 via the base 6 of the flap 5. Advantageously, the tape 2 tears naturally upstream of the gap 16 (depending on the direction of pull of tab 7). Thus, the tape 2 tears naturally in an area located below tab 7 when no force is exerted on it. With reference to the figure 10 , a sheath 21 can be made from a first film made from the material of the tape 2 and a second film made from the material of the flap 5, the second film being sealed onto the first film to close the sheath 21. The sheath 21 can then be pre-cut transversely so that each section of sheath 21 delimited by two successive pre-cut lines 22 forms the envelope 1 which has just been described.

[0081] The sheath 21 can then be wound into a coil.

[0082] This reel can then be used in packaging plants to be fitted onto a whole range of containers.

[0083] With reference to the figure 6 A second embodiment will now be described.

[0084] In this second embodiment, the tab 7 is equipped on its external face (opposite to that facing the ribbon 2) with one or more gripping elements 23 such as a rib, rough area, reinforcement... This facilitates the handling of the tab 7 by the user.

[0085] Apart from this feature, everything that has been said for the first embodiment is also applicable to the second embodiment.

[0086] With reference to the figure 7 A third embodiment will now be described.

[0087] In this third embodiment, the ribbon 2 has a weakened area 24. This will facilitate tearing of the ribbon 2 at the level of this weakened area 24.

[0088] The weakened zone 24 is, for example, formed by pre-cuts and / or micro-drilling. The pre-cuts / drillings are, for example, made at regular intervals across the entire weakened zone 24.

[0089] The width of the embrittlement zone 24 (along the first X axis) is for example between 0.2 and 2 millimeters and for example between 0.8 and 1.2 millimeters.

[0090] Preferably, the weakening zone 24 forms a line. For example, the weakening zone 24 extends parallel to the second Y axis of the ribbon.

[0091] For example, the weakening zone 24 extends over the entire height (along the second Y axis) of the ribbon.

[0092] Preferably, said weakening zone 24 extends in the ribbon 2 on one of the panels 14, 15. For example, the weakening zone 24 extends at the level of one of the edges of the joining faces 19, 20 of the ribbon 2 while remaining outside the considered joining face 19, 20. The weakening zone 24 is arranged for example at the edge [of the joining face (i.e. 19, 20)] furthest from the longitudinal end (respectively 3a, 3b) associated with said face (respectively 19, 20).

[0093] The weakening zone 24 is thus positioned upstream of the joining surfaces between the strip 2 and the flap 5 (according to the pull direction of the tab 7). The weakening zone 24 is thus positioned below the tab 7 when no force is exerted on the tab 7. Apart from this weakening zone 24, everything stated for the first and second embodiments is also applicable to the third embodiment.

[0094] With reference to the figure 8 A fourth embodiment will now be described.

[0095] In this fourth embodiment, unlike the first embodiment, ribbon 2 is folded so as to be directly closed.

[0096] More specifically, one of the longitudinal ends extends under the longitudinal border associated with the other of its longitudinal ends (whereas in the first embodiment the two longitudinal ends of ribbon 2 were at the same level).

[0097] This longitudinal end is then sealed to the portion of ribbon 2 opposite and more precisely here to the longitudinal edge opposite.

[0098] The flap 5 is then inserted between the two panels 14 and 15 of the ribbon 2 (part of one of the longitudinal edges of the ribbon 2 protrudes beyond the rest of the ribbon 2, on the outside). The base 5 is then sealed, on one side, at its inner face, to the outer face of the ribbon 2, and on the other side, at its outer face, to the inner face of the ribbon 2. The base 5 is thus secured via its inner face to one of the longitudinal edges of the ribbon 2 and via its outer face to the other of the longitudinal edges of the ribbon 2.

[0099] It is understood that in the first embodiment, the base 5 was sealed with tape 2 in two areas of its inner face, whereas here the base 5 is sealed with tape 2 in one area of ​​its outer face and in one area of ​​its inner face. Preferably, these two areas are then aligned (according to the thickness of the base 2).

[0100] Apart from these characteristics, everything that has been said for the first embodiment and for the second embodiment and for the third embodiment is also applicable to this fourth embodiment.

[0101] With reference to the figure 9 A fifth embodiment will now be described.

[0102] In this fifth embodiment, unlike the first embodiment, ribbon 2 is folded so as to present an overlap area at its longitudinal edges.

[0103] This is also the case in the fourth embodiment. However, unlike the fourth embodiment, the two longitudinal edges are not directly attached to each other.

[0104] Indeed, the flap 5 is inserted between the two panels 14 and 15 of the ribbon 2 (part of one of the longitudinal edges of the ribbon 2 protrudes beyond the rest of the ribbon 2, on the outside). The base 5 is then sealed, on one side, at its inner face, to the outer face of the ribbon 2, and on the other side, at its outer face, to the inner face of the ribbon 2. The base 5 is thus secured via its inner face to one of the longitudinal edges of the ribbon 2 and via its outer face to the other of the longitudinal edges of the ribbon 2.

[0105] It is understood that, in the case of the first embodiment, the base 5 was sealed to the tape 2 in two areas of its inner face, whereas here the base 5 is sealed to the tape 2 in one area of ​​its outer face and in one area of ​​its inner face. Preferably, these two areas are then aligned (according to the thickness of the base 2).

[0106] It is understood that, in the case of the fourth embodiment, the ribbon 2 was also sealed on itself (in a junction zone downstream of those of the base 5 to the ribbon 2) whereas here the ribbon 2 is only closed via the base 5. There are therefore two junction zones in the fifth embodiment against three for the fourth embodiment.

[0107] Apart from these characteristics, everything stated for the first, second, third, and fourth embodiments is also applicable to this fourth embodiment. The invention is not limited to the embodiments described, but rather encompasses any variant reproducing, with equivalent means, the essential characteristics stated above.

[0108] The ribbon can be either transparent or opaque. It can be transparent in some areas and opaque in others. The ribbon can be printed on at least part of its surface and on one or both sides. Information for the user can thus be printed on the ribbon. Similarly, the flap can be opaque or transparent. It can be transparent in some areas and opaque in others. The flap can be printed on at least part of its surface and on one or both sides. Information for the user can thus be printed on the flap. The flap, and in particular the tab, can incorporate one or more electronic components. The tab can thus have one or more electronic components directly printed on it, such as an antenna and, for example, an RFID antenna.

[0109] You can also use a print on the ribbon and / or band to align the band with the ribbon when forming the envelope.

[0110] It is also possible to plan for joining sections with a height less than that of the ribbon and / or the flap.

[0111] The area of ​​weakening may be different from what has been described and, for example, may only extend over part of the height of the ribbon.

[0112] The sleeve may be fitted on its inner face (i.e., the face intended to come into contact with the container to be covered) with a safety strip. This safety strip may extend substantially around the entire circumference of the sleeve. The safety strip may be shaped to rest under the rim of the container.

[0113] The materials specified for the ribbon and the flap may differ. For example, the ribbon and / or the flap may be made of a material that is at least partially bio-based. For instance, the material may be composed at least partially of a bio-based plastic such as PLA, a PLA derivative, or any other bio-based plastic. For the purposes of this application, it is important to remember that a "bio-based" product is made from material derived from living organisms, specifically from plants (wood, hemp, beets, corn, etc.) or from animal matter (wool, organic waste, etc.).

[0114] Although here the flap is made of the same type of material as the ribbon, the flap could be made of a different type of material. For example, the flap could be formed separately from a different polymer than the one used for the ribbon; or it could be made of an amorphous material; or it could be made of a non-plastic material such as paper or cardboard; etc.

[0115] Preferably, the material of the shutter should be chosen so that it can be composted.

[0116] Preferably, the material of the ribbon should be chosen so that it can be composted.

[0117] Although here the envelope surrounds only one container at a time, the envelope can be shaped to surround two or more containers at a time.

[0118] Although here the envelope takes the form of a cylinder open at both ends, it can take another shape, for example, a truncated cone. The envelope can thus be shaped into a cap, a stopper, a capsule, etc. The envelope may have at least one notch on its upper part (for example, to facilitate dispensing onto the top of the container or onto its stopper).

[0119] The container on which the envelope will be affixed can be of any type: glass, plastic, etc.

[0120] Although here the tape is single-layer, the tape could be multi-layered, with at least one of its layers being made of a plastic material as described for the material in the single-layer case.

[0121] Similarly, although the shutter here is single-layered, it can be multi-layered, at least at its base and / or tab. In this case, at least one of its layers can be made of a material as described for the single-layer shutter. For example, a shutter could have a central layer made of a plastic or non-plastic material (cardboard, paper, etc.), with this central layer covered on its two main faces by two faces made of a different material, such as a plastic.

Claims

1. A wrap intended to surround at least one section of at least one container, the wrap comprising at least one main heat-shrinkable tape (2) having at least one preferred shrink direction, the wrap being characterized in that it includes at least one additional flap (5) comprising: - A base (6) attached to the main ribbon so as to be secured to the main ribbon at least at each of the longitudinal edges of the main ribbon, the main ribbon and the flap thus jointly forming a closed sleeve, - A gripping tab (7) extending from the base without itself being secured to the main ribbon, at least said tab being made of a different material from that of the main ribbon.

2. Envelope according to claim 1, wherein the flap (5) as a whole is made of a material different from that of the main ribbon (2).

3. Envelope according to any one of the preceding claims, in which at least the tab (7) is made of a plastic material whose base polymer is identical to that of the plastic material of the tape (2).

4. Envelope according to any one of the preceding claims, wherein the ribbon (2) and / or at least the tab (7) is made of or based on a material that is at least partly bio-based.

5. Envelope according to any one of the preceding claims, wherein the ribbon (2) and / or at least the tab (7) is made of a material that is at least partly recycled.

6. Envelope according to any one of the preceding claims, wherein the ribbon (2) and / or at least the tab (7) is made of a compostable material.

7. Envelope according to any one of the preceding claims, wherein the two longitudinal edges of the ribbon (2) do not have an overlap zone.

8. Envelope according to any one of the preceding claims, in which the ribbon (2) comprises at least one area of ​​embrittlement (24).

9. Envelope according to any one of the preceding claims, wherein the flap (5) and / or the ribbon (2) has at least one print.

10. Envelope according to any one of the preceding claims, in which the flap (5) carries at least one electronic element.

11. Container surrounded by an envelope according to one of the preceding claims.

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