EP1230129B1 - Snap hinge and container lid - Google Patents

Abstract

Disclosed is a hinge which has a simple construction and can thus be produced in a cost-effective manner and changes from a first unstressed snap position into a second snap position when the two hinge components are displaced in the angle area of 90 DEG to 180 DEG . Each hinge component (101, 102) is provided with a level hinge element (111, 112) and an offset roof surface element (7, 7') fixed therein. The hinge components are connected to each other by means of the roof surface elements (7, 7') in the hinge axis (10). Said elements are erected against each other. An intermediate element (121) is configured as a notch (120) in the roof surface elements (7, 7'). Said snap hinge can be arranged in a container lid.

Description

The invention relates to a one-piece snap hinge made of plastic, the one has the first relaxed and a second cocked snap position, with two about a hinge axis pivotable hinge parts and with a film hinge located in the hinge axis, the middle of at least one resilient intermediate element is interrupted. The invention also relates to a container lid according to the preamble of the claim 14th

Such snap hinges are mostly used as container lids, the lid having a defined open and a defined closed position occupies. When opening or closing the lid, this is a unstable intermediate position moved. The intermediate elements serve that the two defined positions can be taken, whereby in one position relaxes the intermediate elements and in the other position are excited.

From DE 31 50 493 C3 are one-piece snap hinges for bottles known. The hinge has two intermediate elements, which in cross section as U-shaped channels are formed, which are in the direction of the main axis rejuvenate. The intermediate elements are in through elongated thin places Form of film hinges connected to the two hinge parts, of which a hinge part forms the lid and a hinge part forms the bottle neck ring.

The intermediate elements, which are U-shaped in cross section, behave like spiral springs in the end positions, i.e. in the open position and in the closed position, are relaxed and for changing over a labile Equilibrium are moved away.

In a further similar embodiment, the intermediate elements are only in relaxed in the open position and maximal in the closed position pressed together. This makes a locking device necessary holds both hinge parts together in the closed position. To the stable To be able to assume the closed or open position, a 180 ° swivel movement is required the hinge parts are made.

Another embodiment sees two pairs, for a total of four Intermediate elements. The variant intended for a box lid provides two V-shaped intermediate elements in the middle, which together form one Form a rhombus. The intermediate elements are also inclined Thin points connected to the two hinge parts to the required To ensure mobility of the intermediate elements. At the outer ends the hinge axis are provided with additional resilient end elements are also V-shaped. When the box is open, they protrude Intermediate elements face outwards and nestle in the closed state the rectangular shape of the box. The shape of the intermediate elements remains obtained when opening and closing the box. With this Snap hinge is a hinge part with a side wall of the box identical so that the hinge axis is at the edge of the box. Also at In this embodiment, the lid must be pivoted through 180 °. For independent container lids, in which the hinge parts in the closed position lie on one level, and a 180 ° swivel movement is not possible this snap hinge cannot be used.

From DE-PS 31 53 386 is a one-piece snap hinge deep-drawn flexible plastic film known in which the required film hinges in several parallel channels are divided. These channels diverge in the central area, so that there roof-shaped intermediate surfaces with perpendicular to the hinge axis Ribs can be formed. In the open position, in the container lid and box lie in one plane, the intermediate elements form one Roof surface with the ridge facing outwards. When closing the container, while the cover is pivoted through 180 °, the intermediate elements snap inwards.

This hinge leads from the open position to the Closed position and vice versa to a deformation that is not due to the Hinge is limited.

EP 0 640 167 B1 describes a hinge with two triangular ones Intermediate elements and two swivel axes, between which a tilting element is arranged. There is a handle on the opposite side of the hinge arranged to ensure opening of the closure.

These hinges have one or more of the following disadvantages. they are due to their functional principle either only on round or only on angular ones Containers to be closed can be used in some cases Locking device to a closed position against larger forces guarantee, or a pusher to simplify opening. you the respective area of application is very limited.

Some of the known hinges protrude over the contour in the closed position of the container to be sealed, which leads to problems when stacking or storage of these containers.

The object of the invention is to provide a snap hinge that is simple is built and therefore inexpensive to manufacture, and that from one first relaxed snap position when pivoting the two hinge parts changes into a second snap position in the angular range from 90 ° to 180 °. It is also an object of the invention to provide a container lid, especially one reclosable container lid, with a hinged To create the lid bottom section, which when pivoting more than 90 ° and less than 180 ° occupies a stable position.

This task is solved with a one-piece snap hinge, in which each hinge part a flat hinge element and a fastened to it has angled roof surface element, the hinge parts over the roof panels aligned against each other in the hinge axis are interconnected and the intermediate element as a notch in the Roof surfaces is formed.

The basic shape of the hinge has only three components, namely the flat hinge elements, the roof surface elements and that as Notch formed intermediate element, with several Intermediate elements are possible. This simple structure ensures a cost-effective production, so that the snap hinge as a mass article, e.g. in lids for yoghurt pots or other plastic containers for Cream cheese, buttermilk, etc. can be used.

The angle at which the roof surface elements on the flat Hinge elements are preferably molded, can be chosen arbitrarily because the angle α that the roof surface elements in their first take a relaxed snap position to each other, is selectable. The angle α is preferably in the range between 80 ° and 110 °.

The roof surface elements are preferably applied at such an angle the flat hinge elements arranged that in the first, relaxed Snap position the flat hinge elements lie in one plane. This The arrangement is particularly suitable for use in a container lid Advantage because this corresponds to the closed position of the lid.

If the hinge parts are pivoted about the hinge axis, the Angle α progressively increases, creating forces in the intermediate element be initiated because of the training as a notch to a Lead elongation in the direction of the hinge axis. From one Swivel angle of more than 90 ° causes this longitudinal expansion in addition to the Intermediate element a buckling of the film hinge, with which the second Snap position is reached. This is in this position Intermediate element and thus also the roof surface elements in one tense state, which surprisingly has almost no impact and therefore no significant deformation of the flat hinge elements Consequence. This circumstance is again advantageous when used in Container lids because the container lid does not warp significantly and is therefore particularly suitable as a reclosable container lid. Even after being closed again several times, the container lid lies close to Edge of the container.

The forces when pivoting the hinge parts into the intermediate element are initiated, the larger the smaller α is chosen, the larger. Furthermore, also the mutual alignment of the hinge parts in the second Snap position by selecting the angle α in the first snap position can be set.

The notch is preferably V or U-shaped.

According to the simplest embodiment, the intermediate element has two triangular surface elements.

But there is also the possibility that the intermediate element two has quadrangular surface elements, each of which is on both sides triangular surface element connects. Other refinements of the Intermediate element are possible. Like the intermediate element and thus the Notch also depends on how stable the second Snap position should be, which forces are introduced into the intermediate element and what deformation of the intermediate element or the Roof surface elements to achieve the second snap position are desired. This also depends on the material thickness of the snap hinge, with a material thickness below 0.45 mm for the usually at Polymer lid used polymers is preferred.

The depth t of the notch also influences the snap behavior of the hinge. It is possible that the notch extends over the entire roof height h ₁ .

According to a further embodiment, the indentation is by means of an in Bridges direction of the hinge axis extending tension element. Thereby an additional stiffening is brought about.

The tension element is preferably designed as a U-shaped or V-shaped rib. It is important that the upper edge of the rib below the Hinge axis lies. The farther the top edge of the rib from the hinge axis is removed, the greater the forces acting in the intermediate element be initiated.

So that the kinks form in the second snap position in the area of the film hinge, it is advantageous if the length X _{1 of} the film hinge sections is ≥ 1/4 the length X _{2 of} the intermediate element.

The greater the material thickness of the hinge material chosen, the greater the ratio X ₁ to X ₂ should preferably be set.

Each hinge part preferably has at least one laterally erected Stiffening wall on both the flat hinge element and Roof surface element is attached. This will give greater stability to the Hinge parts achieved.

The container lid according to the invention is characterized in that the Lid bottom is divided into two lid bottom sections, which over two sloping roof surface elements extending to the edge of the cover are interconnected that the connecting line of the Roof surface elements form a hinge axis of a film hinge and that in the roof surface elements a resilient formed as a notch Intermediate element is arranged.

For the container lid, the flat hinge elements are made by the two Lid bottom sections formed. The stiffening wall is covered by the Cover wall formed, which is between the cover base and the Lid edge extends. The container lid can have any shape, round or rectangular container lids are preferred.

The lid base sections can be chosen the same size, but it is an advantage if the two lid base sections are of different sizes. In this case, the shorter lid base section becomes firm with the Container edge connected and the larger lid bottom section is detachable and reclosable attached to the edge of the lid. As a result, the Open and fold up the larger lid base section correspondingly large opening released. It also becomes dead space minimized under the smaller lid bottom section.

Depending on the size and design of the lid and especially with regard on the filling of the container it may be desirable that the distance between the bottom of the container and the edge of the lid is as small as possible. However, this would have been as a result, the roof surface elements are made correspondingly small would.

To remedy this is according to another embodiment provided that parallel to the hinge axis in each case between the Roof surface element and the cover bottom section a channel-shaped Depression is formed. This indentation allows a given one Height of the roof surface elements can be maintained.

The groove-shaped depression preferably extends over the entire Length of the roof area.

The trough-shaped depression can be V-shaped.

Fign. 1+2

perspektivische Darstellungen zweier Ausführungsformen des Schnappscharniers,

Fig. 3

eine perspektivische Darstellung eines ersten Ausführungsbeispieles eines runden Behälterdeckels,

Fig. 4

eine Draufsicht auf den in Fig. 3 dargestellten Behälterdeckel,

Fig. 5

einen Schnitt A-A durch den in Fig. 4 dargestellten Behälterdeckel,

Fig. 6

einen Schnitt B-B durch den in Fig. 4 gezeigten Behälterdeckel,

Fig. 7

eine perspektivische Darstellung eines zweiten Ausführungsbeispieles eines runden Behälterdeckels,

Fig. 8-10

eine Draufsicht und zwei Schnittdarstellungen von dem in Fig. 7 gezeigten Behälterdeckel,

Fig. 11

eine perspektivische Darstellung eines dritten Ausführungsbeispieles eines runden Behälterdeckels,

Fig. 12-14

eine Draufsicht und zwei Schnittdarstellungen von dem in Fig. 11 gezeigten Behälterdeckel,

Fig. 15

eine perspektivische Darstellung eines Ausführungsbeispieles eines viereckigen Behälterdeckels,

Fig. 16-18

eine Draufsicht und zwei Schnittdarstellungen von dem in Fig. 15 gezeigten Behälterdeckel,

Fig. 19

eine perspektivische Darstellung eines runden Behälters mit einem Behälterdeckel gemäß der Fign. 11 bis 14, wobei sich der Deckel in einer leichten Offenstellung befindet, und

Fig. 20

eine perspektivische Darstellung des in Fig. 19 dargestellten Behälters, wobei sich der Deckel in der zweiten Schnappstellung befindet.

Exemplary embodiments are explained in more detail below with reference to the drawings. Show it:

FIGS. 1 + 2

perspective representations of two embodiments of the snap hinge,

Fig. 3

2 shows a perspective illustration of a first exemplary embodiment of a round container lid,

Fig. 4

3 shows a plan view of the container lid shown in FIG. 3,

Fig. 5

4 shows a section AA through the container lid shown in FIG. 4,

Fig. 6

4 shows a section BB through the container lid shown in FIG. 4,

Fig. 7

2 shows a perspective illustration of a second exemplary embodiment of a round container lid,

Fig. 8-10

3 shows a plan view and two sectional representations of the container lid shown in FIG. 7,

Fig. 11

2 shows a perspective illustration of a third exemplary embodiment of a round container lid,

Fig. 12-14

11 shows a plan view and two sectional representations of the container lid shown in FIG. 11,

Fig. 15

2 shows a perspective illustration of an exemplary embodiment of a square container lid,

Fig. 16-18

15 shows a plan view and two sectional representations of the container lid shown in FIG. 15,

Fig. 19

a perspective view of a round container with a container lid according to FIGS. 11 to 14, with the lid in a slightly open position, and

Fig. 20

a perspective view of the container shown in Fig. 19, wherein the lid is in the second snap position.

1 is a snap hinge 100 in its simplest Embodiment shown in perspective. The snap hinge 100 has two hinge parts 101 and 102, each having a flat hinge part 111 and 112 and a roof surface element 7 and 7 '. The Roof surface elements 7, 7 'are angled on the flat hinge elements 111,112 formed and form an angle α with each other. The Connection line of the two roof surface elements 7,7 'forms the Hinge axis 10, the two roof surface elements 7, 7 'by means of a Film hinge are interconnected. The roof surface elements 7.7 ' have an intermediate element 121 in the form of a notch 120. The Film hinge is thereby divided into two film hinge sections 9,9 '.

The snap hinge 100 is by pivoting the mutual Hinge parts 101, 102 of the relaxed one shown in FIG. 1 Snap position transferred into a second cocked snap position, the Angle α is increased. This is related to the subsequent Figures 19 and 20 explained in detail.

A further embodiment is shown in FIG. 2, which differs from that shown in FIG The embodiment shown in Fig. 1 differs in that additionally Stiffening walls 113 and 114 are provided. These stiffening walls 113, 114 are arranged on the lateral edges of the hinge parts 101, 102 and form a right angle with the flat hinge elements 111, 112. These stiffening walls 113, 114 are both on the flat hinge parts 111,112 and attached to the roof surface elements 7,7 'and effect an additional stiffening.

Fig. 3 shows a perspective view of a round container lid 15 with a tab 4, which has the hinge 100 according to the invention. The two hinge parts 101, 102 are through the two lid base sections 5 and 6, which represent the flat hinge elements 111, 112, and by the Roof surface elements 7,7 'formed. The lid bottom sections are 5.6 with respect to the lid edge 3 down over the lid wall 2 and together form the lid base 1. The two lid base sections 5 and 6 are of different sizes.

The two cover bottom sections 5,6 are each one in the direction of Cover edge 3 obliquely erected roof surface element 7,7 'with the Hinge axis 10 connected. The hinge axis 10 is at the level of Lid edge 3 and thus does not have the contour of the container lid 15 out.

In the middle of the ridge formed by the roof surfaces 7, 7 'is a V-shaped one Notch 120 with the depth t (see FIG. 5) arranged perpendicular to the hinge axis 10 and thus in the direction of the lid axis 25. The Notch 120 is formed by an intermediate element 121, the two has triangular surface elements 8,8 '. The triangular surface elements 8,8 'butt in the middle of the notch 120, the notch base 11 Narrow side to each other and extend from the notch base 11 diagonally upwards towards the hinge axis 10.

FIG. 4 shows a top view of the container lid shown in FIG. 3 15. In FIGS. 5 and 6 are sections along lines A-A and B-B, respectively shown, which are shown in FIG. 4.

5, measured in the direction of the hinge axis 10, shows the length X _{1 of} the film hinge section 9 and the length X _{2 of} the notch 120 or the intermediate element 121. The length of the film hinge section 9 'is also equal to the length X ₁ in the embodiment shown here. The film hinges 9,9 'form the transition of the two roof surfaces 7,7' lying in the hinge axis 10.

The length X ₁ should have a certain minimum size in order to ensure the formation of the kinks in the hinge axis 10 and thus a defined second snap position. In the illustration shown here, the length X _{1 is} greater than 1/4 of the length X ₂ . In order to be able to maintain these length specifications, the lid base section 5 must have a certain size, ie in the case of round lids the hinge axis 10 must have a certain distance from the rear lid wall. This means that the rear cover bottom section 5 cannot be chosen to be as small as desired. Nevertheless, it should be made as small as possible, so that the largest possible opening of the container results in the open position of the lid, which is advantageous when accessing the goods in the container.

6, the angle α between the two roof surfaces 7,7 ' located. In the illustration shown here, the angle α is in the relaxed first snap position at 90 °. The smaller α is chosen, the more the larger are when opening the lid in the expansion area or in the Hinge initiated forces. The angle α also defines that Opening angle γ of the container lid in the second clamped Snap position, which is shown in FIG. 20. The angles α and γ hang functionally in such a way that with a smaller chosen α also the Angle γ becomes smaller. To easily from that shown in FIG. 20 To be able to drink an open cup, it must be ensured that the angle γ is greater than 90 ° and the folded-up lid base section 6 is stable Takes snap position.

The height h 1 is also shown in FIG. 6, which is a measure of the vertical extent of the roof surfaces 7, 7 'in the direction of the cover axis 25. The depth of the notch t (see FIG. 5) is smaller than the roof height h ₁ in the embodiment shown here. The depth t can also extend over the entire roof height h ₁ , so that the notch base 11 lies in one plane with the cover base 1.

Fig. 7 shows a perspective view of a second Embodiment of a container lid 15, which differs from that previously described embodiment by the design of the Intermediate element 121 differs. The intermediate element 121 or the Notch 120 is formed by two smaller triangular surface elements 16, 16 ' and two larger square surface elements 17, 17 'are formed. The two quadrangular surface elements 17, 17 'meet in the middle of the notch, the Notch base 11, against each other and run from the notch base 11 obliquely upwards towards the triangular surface elements 16, 16 '. The smaller ones triangular surface elements 16, 16 'lie in a plane related to the Level in which the lid base 1 is located is more inclined. The triangular Surface element 16 'abuts the right square surface element 17' the short side of each other and runs diagonally upwards on the Hinge axis 10 too. The triangular surface element meets in the same way 16 and the left square surface element 17 to each other.

In Figs. 8 to 10 are a top view and two sectional views represented by the container lid shown in FIG. 7.

FIG. 11 shows a further embodiment, which differs from that in FIG the embodiment shown in Fig. 3 differs in that the Notch 120 is bridged by a tension element 18. The tension element 18 extends from the triangular surface element 8 ′ over the notch base 11 away to the opposite triangular surface element 8 in the direction the hinge axis 10.

This tension element 18 is designed as a rib 18 ′ which is U-shaped in cross section, wherein the upper edge 19 of the rib is rounded in a circle. This is in the FIGS. 12 to 14 shown in detail.

As shown in Figs. 12 and 13 can be seen, the rib 18 'may have a maximum length X ₂ at its upper edge. The rib 18 'extends vertically in the direction of the lid axis 25 from its upper edge to the notch base 11. The upper edge 19 of the rib 18' must be spaced from the hinge axis 10 so that a tension can be built up in the intermediate element 121 when the hinge parts are pivoted. This distance is marked with h ₃ in FIG. 14. The tension element 18 or the rib 18 ′ additionally stiffen the hinge, as a result of which greater forces are built up overall when the hinge parts 101, 102 are pivoted. The greater the distance h ₃ chosen, the greater the forces introduced into the expansion area of the hinge when the cover is opened.

15 shows a perspective view of another one Embodiment of the snap hinge based on a square Container lid, the hinge with respect to the V-shaped notch and the arrangement of a tension element 18 is designed as shown in FIGS FIGS. 11 to 14 is shown. In addition, between each Roof surface elements 7.7 'and the cover bottom sections 5.6 channels 20.20' intended. In the present embodiment, the two channels 20.20 'V-shaped.

The rear gutter 20 ', i.e. the gutter leading to the rear lid bottom section 5 is arranged by the rear roof surface 7 and the rear Channel surface 21 is formed, which obliquely from the rear channel bottom 23 upwards to the rear lid base section 5 rises.

The front channel 20 is through the front roof surface 7 'and the front Channel surface 22 formed, which is inclined from the front channel bottom 24 upwards rises to the front cover bottom section 6.

One reason for the arrangement of the two channels 20, 20 'is that the vertical distance between the lid base 1 and the lid edge 3 in the direction of Cover axis 25 does not offer enough space to the invention To arrange snap hinge. Therefore, it may be necessary in confined spaces Space initially to arrange channels 20, 20 ', so that it still does a sufficient height for the roof surface elements 7,7 'and for the Score 120 to achieve. The lid base 1 is then as close to Lid edge 3 placed when the largest possible volume in the container closed lid must be available. It also prevents Forces are introduced into the lid base sections 5,6 and it becomes one Deformation of the lid is coming.

The figures 16 to 18 show a top view and two sections of the one shown in FIG. 15 shown container lid.

19 is a round container 14 with a corresponding one Container lid 15 shown. The container lid 15 corresponds to that in FIG. 11 container lid shown. The first hinge part 101 is on the Container edge 13 attached, for example by gluing or welding of the lid edge 3. The hinge part 102 can be pulled by pulling the tab 4 be detached from the container edge 13 so that the container 14 are opened can. Container rim 13 and container lid 15 are matched to one another, that the lid is resealable.

In Fig. 19 the opening angle γ is shown, the angle between the container edge plane and the plane of the hinge part 102 and the Cover bottom section 6 indicates. If the hinge part 102 around the Hinge axis 10 is pivoted, as shown in FIG. 20, at an angle γ> 90 ° the second snap position of the Container lid 15 reached. By introducing the stretching forces into the Form intermediate element 121 and the associated roof surface elements 7, 7 ' two in the area of the film hinge sections 9, 9 'in the hinge axis 10 Kinks 27.28. The formation of the kinks 27, 28 can be done with a Crackling be connected so that the user is also acoustically senses when the second snap position is reached. Through the Kinks 27, 28 and the tension built up in the snap hinge will Hinge part 102 held in the open position.

This open position is so stable that the entire container can be moved can without the cover 15 falls. This makes it possible to easily look out to drink the opened cup. To close the lid or the second hinge part 102 can only be pivoted back so far that the Snap position is overcome. The lid then jumps into the in the Fig. 19 shown starting position back. By lightly pressing on the Container edge 13, the container 14 is closed.

reference numeral

1

cover ground

2

cover wall

3

cover edge

4

flap

5

rear lid bottom section

6

front lid bottom section

7

rear roof panel

7 '

front roof panel element

8th

triangular surface element

8th'

triangular surface element

9

first film hinge section

9 '

second film hinge section

10

hinge axis

11

notch root

13

container edge

14

container

15

container lid

16

triangular surface element

16 '

triangular surface element

17

square surface element

17 '

square surface element

18

tension element

18 '

rib

19

Top edge of the rib

20

trough-shaped depression

20 '

trough-shaped depression

21

rear channel surface

22

front channel surface

23

rear channel bottom

24

front channel bottom

25

lid axis

27

kink

28

kink

100

hinge

101

first hinge part

102

second hinge part

111

flat hinge element

112

flat hinge element

113

stiffening wall

114

stiffening wall

120

notch

121

intermediate element

Claims (18)

1. One-piece snap hinge which is of plastics material and which has a first non-tensioned snap position and a second tensioned snap position, having two hinge parts (101, 102) which can be pivoted relative to each other about a hinge axis (10), and a film hinge (9, 9') which is located in the hinge axis (10) and which is interrupted by at least one resilient intermediate element (121), characterised in that
   each hinge part (101, 102) has a flat hinge element (111, 112) and an angled roof-like face element (7, 7') which is fixed thereto,
   in that the hinge parts (101, 102) are connected to each other in the hinge axis (10) by means of the roof-like face elements (7, 7') which are upwardly inclined relative to each other, and
   in that the intermediate element (121) is constructed as a notch (120) in the roof-like face elements (7, 7').
2. Snap hinge according to claim 1, characterised in that the notch (120) is "V"-shaped or "U"-shaped.
3. Snap hinge according to claim 1 or 2, characterised in that the intermediate element (121) has two triangular face elements (8, 8').
4. Snap hinge according to any one of claims 1 to 3, characterised in that the intermediate element (121) has two rectangular face elements (17, 17'), at both sides of which a triangular face element (16, 16') adjoins.
5. Snap hinge according to any one of claims 1 to 4, characterised in that the notch (120) extends over the entire height h₁ of the roof-like element (13).
6. Snap hinge according to any one of claims 1 to 5, characterised in that the notch (120) is bridged by means of a tensile element (18) which extends in the direction of the hinge axis (10).
7. Snap hinge according to claim 6, characterised in that the tensile element (18) is a rib (18') having a U-shaped or V-shaped cross-section.
8. Snap hinge according to claim 7, characterised in that the upper edge (19) of the rib (18') is located below the hinge axis (10).
9. Snap hinge according to any one of claims 1 to 8, characterised in that the roof-like face elements (7, 7') form an angle α of between 80° and 110° with each other in the first, non-tensioned snap position.
10. Snap hinge according to any one of claims 1 to 9, characterised in that length X₁ of the film hinge portions (9, 9') is ≥ ¼ of length X₂ of the intermediate element (121).
11. Snap hinge according to any one of claims 1 to 10, characterised in that the material thickness of the snap hinge is less than 0.45 mm.
12. Snap hinge according to any one of claims 1 to 11, characterised in that the ratio X₁ to X₂ is set so as to be greater as the material thickness of the snap hinge increases.
13. Snap hinge according to any one of claims 1 to 12, characterised in that each hinge part (101, 102) has at least one laterally upwardly inclined reinforcement wall (113, 114) which is fixed both to the flat hinge element (111, 112) and to the roof-like face element (7, 7').
14. Container lid having a lid base (1) and a peripheral lid rim (3) which is upwardly offset relative to the lid base (1) by means of a lid wall (2), characterised in that
    the lid base (1) is subdivided into two flat lid base portions (5, 6), which are connected to each other by means of two inclined roof-like face elements (7, 7') which extend as far as the lid rim (3),
    in that the connection line of the roof-like face elements (7, 7') forms a hinge axis (10) of a film hinge (9, 9'), and
    in that a resilient intermediate element (121) in the form of a notch (120) is arranged in the roof-like face elements (7, 7').
15. Container lid according to claim 14, characterised in that a groove-like recess (20, 20') is formed parallel with the hinge axis (10) between the roof-like face element (7, 7') and the lid base portion (5, 6), respectively.
16. Container lid according to claim 15, characterised in that the groove-like recess (20, 20') extends over the entire length of the roof-like face elements (7, 7').
17. Container lid according to any one of claims 14 to 16, characterised in that the groove-like recess (20, 20') is constructed in a V-shaped manner.
18. Container lid according to any one of claims 14 to 17, characterised in that the lid base portions (5, 6) are of different sizes.

Images