EP1747151A1

EP1747151A1 - Tamper-evident lid

Info

Publication number: EP1747151A1
Application number: EP05743442A
Authority: EP
Inventors: Gianfranco D'amato
Original assignee: Seda SpA
Current assignee: Seda SpA
Priority date: 2004-05-19
Filing date: 2005-05-19
Publication date: 2007-01-31
Anticipated expiration: 2025-05-19
Also published as: CA2566785A1; KR100858908B1; RU2006140792A; NO20065867L; JP2007537940A; BRPI0511284A; UA82155C2; EP1747151B1; DE202004008076U1; RU2351516C2; TW200600419A; US20080099481A1; DE502005007241D1; AU2005245119B2; WO2005113363A1; KR20070024588A; MXPA06013348A; ATE430701T1; CN101005995A; AU2005245119A1

Abstract

The invention relates to a tamper-evident lid (1) for a container (2), said container comprising an opening edge (4) which runs around an upper container opening and, in particular, is flanged, with a lid piece (5) essentially covering the upper container opening and a lid edge (6), running essentially downwards from the lid piece towards the container, comprising, at least in some positions, a locking element (7) which grips below the opening edge, which may be definitively separated from the lid, in particular, together with a lower edge section (8) of the lid edge, for removal of the lid from the container. The lid edge runs essentially inclined downwards and outwards from the lid piece and the locking element is embodied as a locking edge (10), running in the circumferential direction of the lid.

Description

Tamper-proof lid Description

The invention relates to a tamper-proof lid for a container, which container has an opening edge that surrounds an upper container opening, in particular a flanged opening, with a lid part that essentially covers the upper container opening and a lid edge that runs essentially downward in the direction of the container, which at least in places has a locking element engaging under the opening edge, which can be irrevocably separated from the lid, in particular together with a lower edge end section of the lid edge, for removing the lid from the container.

Such a cover is known from US-A-5002198. The corresponding cover part is placed on the opening edge from above and covers the container opening. The lid edge, which extends vertically downward from the lid part, is connected to this lid part. The edge of the lid lies essentially tangentially on the rolled or flanged container edge and a locking element protrudes from its free end, which ends below the opening edge and essentially engages under it.

In order to release the lid from tamper-proof or tamper-proof, part of the lid edge and in particular a lower edge end section are separated together with the locking element. The lid can then be removed from the container. The irrevocable separation of the edge end section with the locking element from the rest of the cover essentially ensures that, even when the cover is still or again put on, it can be determined whether it has already been removed by another user or at least has been prepared for removal. This makes it possible to detect any manipulation or any attempt to break open or open the container. Such a lid can prevent, for example, that the corresponding container is opened, the content is influenced in some way or even partially removed, and then the container is closed again without the opening of the container being recognizable from the outside. In the case of the known lid, however, there is the possibility that the locking element is manipulated, whereby it can be deflected elastically radially outwards to such an extent that the container edge can no longer be gripped and the lid can be detached from the container even without irrevocable separation of the lower edge end section. Furthermore, the vertically extending lid edge can be deflected relatively little elastically, so that when the lid is placed on the container, the locking element must have a correspondingly high elasticity so that it can be deflected sufficiently radially outward in the region of the opening edge that is rolled outward. This relatively large elasticity of the locking element facilitates a corresponding manipulation for removing the lid in that, due to this relatively high inherent elasticity of the locking element, the latter can be deflected more easily outwards and the lid can then be removed from the container.

The invention is therefore based on the object of improving a tamper-proof lid of the type mentioned in such a way that it is secured in a structurally simple manner against possible manipulations of the locking element for removing the lid and, on the other hand, the locking function of the lid is reliably ensured.

This object is solved by the features of claim 1.

The invention is characterized in particular by the fact that the lid edge extends essentially obliquely downwards and outwards from the lid part and that the locking element is designed as a locking edge running all the way around in the circumferential direction of the lid.

The use of a circumferential locking edge means that there is no possibility to intervene laterally between the locking edge and the sloping lid edge and, for example, thereby to release the locking edge from the engagement below the container edge. By the cover edge running obliquely downwards and outwards, it is also elastically deflectable when the cover is put on, so that when the cover is put on, both the locking edge and the cover edge are deflected elastically and the elasticity is therefore essentially not only to be found in the area of the locking element. In addition, in the case of the sloping lid edge, the corresponding locking edge cannot be brought into a substantially vertical arrangement without simultaneous manipulation of the lid edge in order to remove the lid from the container if necessary. Instead, due to the oblique arrangement of the lid edge, the corresponding locking edge is held in a certain oblique position even when it is in contact with the lid edge, so that sliding past the opening edge to remove the lid without visible traces is almost impossible.

The security against manipulation of the cover according to the invention is thereby increased in a simple manner. At the same time, the distribution of the elasticities on the lid edge and locking edge makes it easier to put the lid on the container, without reducing the security against manipulation or the tightness of the lid.

According to the invention, there is the possibility that the corresponding cover part has different shapes. On the one hand, the geometric shape of the lid part along the opening edge essentially corresponds to the shape of the container opening. On the other hand, there is the possibility that the lid part is curved, bent or deformed in another way, for example in the direction of the interior of the container, or is correspondingly deformed away from the container. A simple cover part that is also easy to manufacture can be essentially flat. This then lies on the edge of the container and covers the entire opening of the container to secure it against external influences and at the same time to seal the inside of the container.

For example, in order to simplify handling of the lid for removal from the container, the lid part can have an edge flange which runs around in the circumferential direction and projects essentially vertically upwards.

The edge of the cover can be connected directly to the flat cover part or also to the edge flange.

A simple example of a direct connection to the edge flange can be seen if the edge of the cover has a substantially inverted U-shaped top ren edge end portion, wherein the edge flange is inserted into the U-opening and fixed there. The depth of the U-opening can essentially correspond to the vertical length of the edge flange. In this way, the edge flange is encompassed on both sides by the corresponding U-legs of the upper edge end section and can be fastened with them, for example by gluing, heat sealing or in some other way.

There is a possibility that the lid edge runs evenly diagonally downwards and outwards from the top to the bottom. However, in order to simplify the placement and at the same time the sealing by the cover edge, the cover edge can have at least one upper and one lower edge section between the upper edge end section and its lower end, which each run obliquely outwards from the cover part and which through a substantially vertical intermediate edge section are connected. This intermediate edge section can be used in particular for contacting the opening edge from the outside, so that the lid can be securely placed on the container and held there even when the lower edge end section has been irrevocably separated.

This essentially step-like oblique course of the lid edge results in an optically advantageous appearance for the lid and the lid is easier to grasp and to place on the container.

In this context, the lower edge end section already mentioned can be designed such that it runs essentially vertically between the lower edge section and the lower end of the lid edge. As a result, the space between the lower edge end section and the container wall is smaller than when the lower edge end section runs obliquely, so that there is less space for possible manipulations.

The essentially vertical course of the intermediate edge section and the lower edge end section can also be replaced by a certain inclined course of these sections, these sections extending obliquely outwards at a smaller angle of inclination than the upper and lower edge sections. For the visual appearance and for the production of the cover, it is also to be considered advantageous if the angles of inclination of the upper and lower edge section and / or of the intermediate and lower edge end section are in each case the same.

A stabilization of the lower edge end section and thus likewise a stabilization of the locking edge can result from the fact that at least the lower edge end section is formed in two layers with an outer and an inner layer. As a result, this lower edge end section has increased rigidity, which on the one hand makes it difficult to manipulate it to remove the cover and on the other hand reinforces the locking edge.

In a simple exemplary embodiment, the locking edge can be designed as an extension of the inner layer. It simply extends in the extension of the inner layer towards the container in order to reach under the corresponding opening edge.

The locking edge can protrude directly as an extension of the inner layer in the area of the lower edge end section. However, there is also the possibility that this inner layer extends at least partially into the lower edge section and the corresponding angle of inclination of this edge section serves to deflect the inner layer and thus the locking edge in the direction of the container wall.

The angle of inclination of the lower edge section can also be continued in the locking edge, so that when the lid is placed on the container it extends obliquely upwards in the direction of the container wall and engages under the opening edge.

It has already been pointed out that, according to the invention, the elasticity for deflecting the lid edge and the locking edge and thus for placing the lid on the container is divided between the lid edge and the locking edge. Especially when placing on the container, it is advantageous if the locking edge can be deflected radially outwards in an elastic manner. This relates at least to the part of the locking edge protruding from the lower edge section or lower edge end section. In order to ensure the smallest possible space between the free end of the locking edge and a container wall and at the same time to make manipulation of the locking edge more difficult, the locking edge can have a cut end edge running essentially parallel to the container wall when the lid is attached. This cut end edge can also rest directly on the container wall with the lid attached. The corresponding course of the cut end edge makes it more difficult to spread apart and thus move the free end of the locking edge past the opening edge.

To open the lid, the irreversible separation of the lower edge end section and the locking edge from the rest of the lid is necessary. In order to be able to do this in a simple manner, a tear-open handle can protrude from the edge of the lid. There is also the possibility that more than one tear-open handle is arranged. The tear-open handle can, for example, protrude approximately vertically from the edge of the lid, so that it can easily be gripped laterally from the edge of the lid and then used to separate the corresponding part of the lid. There is also the possibility that the tear-open handle extends at the lower end of the lid edge.

In order to enable tearing into the lower edge end section in a safe and controlled manner by the tear-open handle, an essentially vertical tear-open aid can be formed in the lid edge in the area of the tear-open handle and in particular on its front edge in the tear direction. If the tear-open handle is then gripped and moved in the tear-open direction, the edge of the lid is first torn along the vertical tear-open aid and then a further separation of the corresponding part of the lid edge essentially in the circumferential direction.

Such a tear-open aid can be designed in different ways. In general, it is designed as a material weakening line. Such a line of weakening can be thinning of the material, perforation or the like.

In order to enable further removal of the corresponding part of the lid edge in a simple and controlled manner and at the same time not to deteriorate the appearance of the lid even after this part has been removed, Chen perpendicular to the tear-open aid in the lid edge spaced from the lower end of a peripheral tear-off aid be formed. This intersects with the vertical tear-open aid, so that when the tear-open handle is moved in the tear-open direction after the tear-open aid has been torn, the corresponding part of the edge of the lid is further separated along the edge tear-off aid.

The edge tear-off aid can be designed as a material weakening line, similar to the tear-off aid.

To ensure in this context that even with a correspondingly separated part of the lid edge it is still possible to put the lid on the container and hold the lid by means of the lid edge at the opening edge, the edge tear-off aid can be closer to the lower end of the lid on the container Lid edge can be arranged as the opening edge. This ensures that at least so much remains of the edge of the lid after the corresponding part has been torn off that it essentially extends downward over the opening edge and enables the lid to be replaced and the lid to be held securely on the container.

Essentially different materials are conceivable for the cover. The lid can be made completely or only partially from a plastic material. This can be at least partially transparent or translucent, and this can apply in particular to the cover part. This allows the inside of the container to be seen. A lid that is simple to manufacture and easy to recycle can result from the fact that the lid is essentially formed from one or more layers of paper. In addition, such a paper layer is easily printable for advertising purposes or to indicate the contents of the mug.

Since the lid part is intended to protect the contents in the container from ingress of unwanted substances, but also from the contents of the container, a fluid-tight plastic film can be applied to the underside of the lid at least in the region of the lid part. Such a plastic film additionally prevents, for example, the paper layer of the lid and in particular of the lid part is softened by the liquid and is possibly optically disadvantageously influenced.

There is of course also the possibility that the cover or one of its parts consists not only of a paper layer, but of interconnected and in particular laminated paper layers. It has already been pointed out that at least in the area of the lower edge end section there is a two-layer structure, the locking edge being formed by the inner layer. Here too, the corresponding layer can be a paper layer.

In order to be able to store the lid in a simple manner for closing the containers or after their manufacture, the lid can be stackable and unstackable.

Such stackability and end stackability can be achieved, for example, in that an inner diameter of the lid edge is at least larger at its lower end than an outer diameter of the upper edge end section. A corresponding relationship between the inner diameter and the outer diameter can also be present for the lower edge end section, possibly in the region of the lower edge section, which improves the stackability of the covers.

In order not to clamp the lids so tightly together during stacking that an end stack, for example, is made more difficult by a corresponding automatic machine, the locking edge can be designed as a stacking stop element which, when the lids are stacked, abuts from the outside and in particular at the top at the upper edge end section.

An exemplary embodiment of the invention is explained in more detail below with reference to the figures enclosed in the drawing.

Show it

Figure 1 is a partially sectioned side view of a first embodiment of a tamper-proof lid according to the invention placed on a cup; FIG. 2 shows an enlarged illustration of a detail “X” from FIG. 1;

Figure 3 is a view analogous to Figure 2 with two lids stacked one above the other;

Figure 4a shows a first step in placing a lid on a container;

Figure 4b shows a second step in placing a lid on a container;

4c shows a lid placed on the container after the steps from FIGS. 4a and 4b;

Figure 5 is a partially sectioned side view of two lids stacked one above the other analogous to Figure 3;

Figure 6a is a partially sectioned side view of an embodiment of a lid according to the invention with a tear-open handle;

6b shows the lid according to FIG. 6a in a partially opened state, and

Figure 7 shows another embodiment of a lid according to the invention with a different shape of a tear-open handle.

FIG. 1 shows a side, partially sectioned view of an exemplary embodiment of a lid 1 according to the invention on a cup-shaped container 2.

The container 2 has an upper container opening 3, see also the other figures, which is surrounded by an opening edge 4 flanged to the outside. At its lower end, a base part is inserted in the container 2 and is held and sealed there in a manner known per se by an inwardly bent end section of a container wall 24.

The lid 1 is placed on top of the container 2. This comprises an essentially flat cover part 5, which rests sealingly on the opening edge 4 from above. The Cover 1 also has a cover edge 6 which extends obliquely downwards and outwards from the cover part 5. The lid edge 6 extends along the opening edge 4 in the circumferential direction 9 around the container. A tear-open handle 27 is arranged on the lid edge 6, in particular at a lower end 14, see also FIG. 2. This can be gripped by a user and can be moved along a tear-open direction 29 essentially in the circumferential direction 9 around the container 2, see also FIGS. 6a, 6b and 7.

If the tear-open handle 27 is moved in the tear-open direction 29, the edge of the lid 6 is torn in the region of an edge 29 of the tear-open handle 27 in the front in the tear-open direction 29. In extension of this front edge 28 or as an edge itself, a tear-open aid 30 is formed as a material weakening line 31 in the lid edge 6 , This extends essentially vertically upwards in the direction of the opening edge 4. A tear-off aid 32 runs perpendicular to the tear-open aid 30 in the circumferential direction 9 and likewise in the tear-open direction 29. This is also designed as a line of material weakening.

By moving the tear-open handle 27 in the direction of the tear-open direction 29, a lower part of the lid edge 6 is separated along the edge tear-off aid 32 together with a locking edge 10 as a locking element 7, so that the lid 1 can be removed from the container 2, see also FIGS. 6b and 7.

By removing the corresponding part of the lid edge to remove the lid 1, an indication is received that container 2 with lid 1 is already in use or at least initial attempts have been made to remove the lid 1 from the container 2. This makes the lid tamper-proof, since this attempt to open it cannot be undone and can always be detected by another user.

A detail “X” from FIG. 1 is shown enlarged in FIG. At the upper end of its container wall 24, the container 2 has an opening edge 4 which is flanged to the outside. On its upper side, cover part 5 of cover 1 rests with its underside 33. In the region of this opening edge, cover part 5 has an edge flange 11 which projects essentially vertically upwards. A fluid-tight plastic film 34 is applied to the cover part 5 along this edge flange and along the underside 33. The lid part 5 and also the remaining part of the lid 1 are otherwise formed from one or more layers of paper 38. Instead of a paper layer, two paper layers connected to one another, in particular by lamination, correspondingly one or more cardboard layers and the like can also be used.

A lid edge 6 of the lid 1 is connected to the lid part 5 via its edge flange 11. This lid edge 6 extends from the lid part 5 obliquely downwards and outwards.

The lid edge 6 has an upper edge end section 12. This is essentially U-shaped in reverse. The edge flange 11 is inserted into a corresponding U opening 13 and fastened there between the corresponding U legs.

The lid edge 6 then has an upper edge section 15, an intermediate edge section 17, a lower edge section 16 and a lower edge end section 8 on the upper edge end section 12. The upper and lower edge sections 15, 16 run at an angle of inclination outwards relative to the container 2. The intermediate edge section 17 and the lower edge end section 8 are inclined outwards less and can also run essentially vertically, see FIGS. 7a to 7.

The corresponding edge sections 15, 17, 16 and 8 of the lid edge 6 result in an approximately step-shaped course of the lid edge up to its lower end

14th

The corresponding inclination angles of the upper edge section 15, the intermediate edge section 17, the lower edge section 16 and the lower edge end section 8 are shown in FIG. 3, see there the reference numerals 18, 19, 20 and 21. With regard to the angles of inclination 20 and 21 for the upper and lower edge sections 15, 16 there is the possibility that they are the same, see also FIGS. 4a to 7, as well as the angles of inclination 18, 19 of the intermediate edge section 17 and the lower edge end section 8. In another exemplary embodiment, see also FIG. 3, the angles of inclination 20, 21 are different, wherein in particular the angle of inclination 21 can be greater than the angle of inclination 20.

The different angles of inclination each result from the corresponding angle between a vertical and the corresponding outward inclination of the corresponding edge section.

The edge tear-off aid 32 can be seen in the area of the intermediate edge section 17 below the opening edge 4. This is arranged at a smaller distance from the lower end 14 of the lid edge 6 than an underside of the opening edge 4. This ensures that even when the edge of the lid 6 is cut off along the edge tear-off aid 32, the lid 1 is still placed on the container 2 and accordingly Holding the lid on the opening edge 4 by its abutment on the corresponding inside of the lid edge 6 is possible.

The lower edge end section 8 is essentially constructed in two layers from an outer layer 22 and an inner layer 23, see also FIG. 3. This two-layer structure results from folding or bending an extension of the outer layer as the inner layer onto the inside of the outer layer and correspondingly connecting both layers at least in the region of the lower edge end section 8. Otherwise, the inner layer 23 is a continuation of the outer layer 22. The inner layer 23 extends into the lower edge section 16 with an angle of inclination 21 and runs correspondingly obliquely inwards and upwards in the direction of the lid part 5. The inner layer essentially runs subsequently to the lower edge section 16 separately from the remaining lid edge 6 in the direction of the container wall 24 and forms the locking edge 10 as a locking element 7. The locking edge 10 extends around the entire container 2 in the circumferential direction 9. A free end of the locking edge 10 engages under the opening edge 4 and is arranged near an outside of the container wall 24 with the cover 1 placed on the container 2 or, if appropriate, also in contact with the container wall.

The free end 25, see also FIG. 3, of the locking edge 10 can be placed on the outside of the container wall 24 in such a way that after the cover 1 has been correspondingly placed on the container 2, the free end 25 is brought into contact with the container wall 24 is further deflected in the direction of the opening edge 4 in order to increase the security against manipulation of the cover 1. In this context, the deflection can take place to such an extent that the free end essentially engages at least partially in a gap 39 between the opening edge 4 and the container wall 24.

When the lid 1 is placed on the container 2, the lid edge 6 can be elastically expanded radially outwards at least with the lower edge end section 8, the lower edge section 16 and the intermediate edge section 17, and the locking edge 10 so that it can be guided past the opening edge 4. As soon as the free end 25 reaches the underside of the opening edge 4, it is pressed due to the elasticity of the lid edge 6 and the locking edge 10 in the direction of the container wall 24 and in particular into the gap opening 39 between the flanged opening edge 4 and the container wall 24.

FIGS. 4a to 4c show different steps when placing a corresponding lid 1 on a container 2. In these steps, the deflection of the locking edge can be seen in particular.

In the case of the cover 1 according to FIGS. 4a to c, it can in particular still be seen that the angles of inclination of the upper and lower edge sections and of the intermediate edge section and the lower edge end section are in each case the same, the intermediate edge section and the lower edge end section running essentially vertically.

Furthermore, a structuring of the cover 1 on its outside in the region of the upper edge end section 12 can be seen in FIGS. 4a to c. This structuring is formed by a plurality of depressions or elevations arranged in the circumferential direction 9. FIG. 3 shows two lids 2 arranged one above the other, which are stacked. With regard to the description of the corresponding details, reference is made to the remaining figures and the associated description.

In FIG. 3 it can be seen in particular that an inner diameter 35 of the lower edge end section 8 is larger than an outer diameter 36 of the upper edge end section 12. As a result, the two covers 2 can be stacked at least to the extent that the upper edge end section 12 of a lower cover is inserted into the upper cover as far as the underside of the locking edge 10, see also FIG. 5. At least in the exemplary embodiment according to FIG. 3, the locking edge 10 forms a stack stop element 37 which rests on the upper edge end section 8 of the lower cover 2 from above and essentially outside.

In the exemplary embodiment according to FIG. 5, the lower edge end section 8 and the upper edge end section 12 run essentially vertically, so that the stacked covers are arranged one above the other and the lower cover is inserted into the upper cover until the lower end 14 of the upper cover abuts approximately the upper edge section 15 takes place.

FIGS. 6a and b and 7 show further exemplary embodiments for a tear-open handle 27. In FIG. 6b, the separable part of the lid edge 6 has already been at least partially released.

This applies analogously to FIG. 7, wherein in this exemplary embodiment the tear-open handle 27 is essentially not formed as a separate part of the lid edge 6, but is formed by a part of the lid edge 6 arranged adjacent to the tear line 30.

With regard to the container cross-sections and also the corresponding shapes of the lid, it should also be pointed out that these can be round, oval, elliptical, square, rectangular or the like. In the case of angular exemplary embodiments, rounded edges are advantageous. Furthermore, it should be pointed out that it is not only possible to place the lid 1 on the container 2 due to the elasticity of the lid edge 6 and corresponding to the locking edge 10. As a rule, the container 2 in the region of the opening edge 4 or the container wall 24 is also at least partially elastic, so that it, too, can deform elastically when the lid is put on.

In the exemplary embodiments according to FIGS. 4a to 7, it should also be pointed out that a corresponding angle of inclination of the locking edge 10 is essentially the same as the angle of inclination 20, 21 of the upper and lower oblique edge portions 15, 16. The corresponding inclination angles 20, 21 are also essentially the same, while the remaining edge sections 12, 17, 8 are not inclined and run essentially vertically.

In the exemplary embodiments according to FIGS. 4a to 7, a further difference is that there the cover part 5 extends radially outwards essentially to the lower end of the upper edge section 15 and approximately terminates with the outer contour of the opening edge 4. This results in a better sealing of the container 2 by the cover part 5. In addition, there is a smaller gap between the cover edge 6 and the opening edge 4, see, for example, FIG. 2 in comparison to FIG. 4c.

In the exemplary embodiments in FIGS. 4a to 7, it is shown in particular how the free end 25 of the locking edge 10 engages in the gap opening 39 between the container wall and the opening edge 4.

Claims

Expectations

1. Tamper-proof lid (1) for a container (2), which container has an opening edge (4) that runs around an upper container opening (3), in particular with a flanged opening, with a lid part (5) that essentially thinks off the upper container opening and one from the lid part (5) substantially downward in the direction of the container (2), the lid edge (6), which at least in places has a locking element (7) which engages under the opening edge (4) and which is removed from the lid (1) in particular together with a lower edge end section (8) of the lid edge (6), can be irrevocably separated for removing the lid from the container, characterized in that the lid edge (6) extends essentially obliquely downwards and outwards from the lid part (5) and the locking element (7) as in the circumferential direction (9) of the cover (1) is formed around the locking edge (10).

2. Lid according to claim 1, characterized in that the lid part (5) is substantially flat.

3. Lid according to claim 1 or 2, characterized in that the lid part (5) has a peripheral flange (11) which extends in the circumferential direction (9) and projects essentially vertically upward therefrom.

4. Lid according to one of the preceding claims, characterized in that the lid edge (6) is connected to the edge flange (11).

5. Lid according to one of the preceding claims, characterized in that the lid edge (6) has a substantially inverted U-shaped upper edge end portion (12), wherein the edge flange (11) is inserted into the U-opening (13) and fastened there is.

6. Lid according to one of the preceding claims, characterized in that the lid edge (6) between the upper edge end section (12) and its lower end (14) has at least one upper and one lower edge section (15, 16), each inclined to the outside run away from the cover part (5) and are connected by a substantially vertical intermediate edge section (17).

7. Lid according to one of the preceding claims, characterized in that the lid edge (6) between the lower edge portion (16) and the lower end (14) has the substantially vertically extending lower edge end portion (8).

8. Lid according to one of the preceding claims, characterized in that the intermediate edge portion (17) and lower edge end portion (8) at a smaller angle of inclination (18, 19) than the edge portions (15, 16) extend obliquely outwards.

9. Lid according to one of the preceding claims, characterized in that the inclination angles (20, 21) of the edge portions (15, 16) and / or of intermediate and edge end portions (17, 12, 18) are each the same.

10. Lid according to one of the preceding claims, characterized in that at least the lower edge end portion (18) is formed in two layers with an outer and inner layer (22, 23).

1 1. Lid according to one of the preceding claims, characterized in that the locking edge (4) is designed as an extension of the inner layer (23).

12. Lid according to one of the preceding claims, characterized in that the inner layer (23) further extends substantially along the lower edge portion (16) with a corresponding angle of inclination (21).

13. Lid according to one of the preceding claims, characterized in that the locking edge (10) is substantially at the same angle of inclination as the lower edge portion (16) when the lid (1) is placed on the container (2) obliquely upwards in the direction of the container wall ( 24) extends.

14. Lid according to one of the preceding claims, characterized in that the locking edge (10) is elastically deflectable radially outwards.

15. Lid according to one of the preceding claims, characterized in that the locking edge (10) has at its free end (25) a substantially parallel to the container wall (24) with the lid (1) extending cut end edge (26).

16. Lid according to one of the preceding claims, characterized in that a tear-open handle (27) protrudes from the lid edge (6).

17. Lid according to one of the preceding claims, characterized in that in the region of the tear-open handle (27) and in particular on its front edge (28) in the tear-open direction (29) an essentially vertical tear-open aid (30) is formed in the lid edge (6).

18. Lid according to one of the preceding claims, characterized in that the tear aid (30) is designed as a material weakening line (31).

19. Lid according to one of the preceding claims, characterized in that essentially perpendicular to the tear-open aid (30) in the lid edge (6) spaced from the lower end (14) of a circumferential direction (9) tapering edge tear-off aid (32) is formed.

20. Lid according to one of the preceding claims, characterized in that the edge tear-off aid (32) when placed on the container (2). _n Lid (1) closer to the lower end (14) of the lid edge (6) than the opening edge (4) of the container (2) is arranged.

21. Lid according to one of the preceding claims, characterized in that the lid (1) is essentially formed from one or more layers of paper (38).

22. Lid according to one of the preceding claims, characterized in that at least in the region of the lid part (5) on its underside (33) a fluid-tight plastic film (34) is applied.

23. Lid according to one of the preceding claims, characterized in that the lid (1) is stackable and close stackable.

24. Lid according to one of the preceding claims, characterized in that an inner diameter (35) of the lid edge (6) at least at its lower end (14) and in particular the lower edge portion is larger than an outer diameter (36) of the upper edge portion (12) ,

5. Lid according to one of the preceding claims, characterized in that the locking edge (10) is designed as a stacking stop element (37), which rests on the upper end section (12) from the outside in the case of stacked lids (1).