EP2906475A1

EP2906475A1 - Closing cap, container neck, tamper-evident closure, and method for producing a tamper-evident closure

Info

Publication number: EP2906475A1
Application number: EP13786184.5A
Authority: EP
Inventors: Herbert Wohlgenannt
Original assignee: Capartis AG
Current assignee: Capartis AG
Priority date: 2012-10-11
Filing date: 2013-10-10
Publication date: 2015-08-19
Anticipated expiration: 2033-10-10
Also published as: WO2014057054A1; US20150266631A1; US9475618B2; EP2906475B1

Abstract

The invention relates to a closing cap (2) made of plastic for closing a container (3), comprising a head part (2a) and a jacket part (2b), wherein the jacket part (2b) is substantially shaped like a hollow cylinder and has a longitudinal axis (L), wherein the jacket part (2b) extends from the head part (2a) along the longitudinal axis (L), wherein the jacket part (2b) has an end segment (2f) at the end opposite the head part (2a), and wherein the closing cap (2) comprises a tamper-evident part (2e) and bridge parts (2i), wherein the tamper-evident part (2e) is arranged at a distance from the jacket part (2b) and is connected to the end segment (2f) of the jacket part (2b) by means of bridge parts (2i), and wherein the tamper-evident part (2e) is arranged in the direction of extension of the longitudinal axis (L) along the end segment (2f), such that the tamper-evident part (2e) is arranged at a distance from the jacket part (2b) in a direction radial to the longitudinal axis (L) and extends in a circumferential direction to the longitudinal axis (L) on the outside along the jacket part (2b).

Description

- -

CAP, CONTAINER NECK,

WARRANTY CLOSURE AND METHOD FOR PRODUCING A WARRANTY CLOSURE

description

The invention relates to a closure cap and a

Container neck. The invention further relates to a guarantee closure comprising the closure cap and the container neck. The

The invention further relates to a process for the preparation of

Guarantee closure. State of the art

The publication WO 2007/031 162 discloses a

Warranty screw cap for containers and bottles. Of the

Garantieschraubverschluss consists of a screw cap, which has a hollow cylindrical jacket with internal thread, and an annular guarantee strip, which is connected via predetermined breaking webs with the free edge of the shell. The guarantee strip also has locking elements which are intended for a positive engagement in a formed on a bottleneck abutment. When the warranty screw cap is opened for the first time, the screw cap is rotated and thereby lifted, whereas the guarantee strip is held on the abutment, so that the breakaway bars break at some point during opening. Thus it can be seen that the bottle has already been opened once. - -

Such Garantieschraubverschlüsse have the disadvantage that sometimes can not be seen at first glance, if the bottle has already been opened once. Such Garantieschraubverschlüsse with screw cap and guarantee band have the further disadvantage that a relatively long neck is required to open the screw cap pleasantly with your fingers.

The document WO 95/14617 discloses a

Garantieschraubverschluss comprising a circular head portion and a hollow cylindrical shell, wherein in the jacket a

Guarantee part is arranged, which is connected via breakable bridges with the jacket. A disadvantage of this

Warranty screw lock is the fact that a considerable amount of force is required to open, and that opening the warranty screw lock is not always immediately obvious. The opening is then immediately obvious if the entire warranty part has been completely removed. Presentation of the invention

The object of the present invention is therefore to form a more advantageous closure cap, a more advantageous container neck and a more advantageous guarantee closure, the opening of which is better recognizable and / or which is also shorter for closing

Container necks is suitable.

This object is achieved with a closure cap having the features of claim 1. The dependent claims 2 to 7 relate to further advantageous embodiments. The task will be solved further - -

with a guarantee closure having the features of

Claim 8. The dependent claims 9 to 17 relate to further,

advantageous embodiments. The object is further achieved with a container neck having the features of claim 18. The dependent claims 19 to 24 relate to further advantageous

Configurations. The object is further achieved with a method for producing a guarantee closure having the features of claim 26. The object is achieved in particular with a plastic closure cap for closing a container, comprising a head part and a shell part, wherein the shell part substantially

is configured as a hollow cylinder and has a longitudinal axis, wherein the shell part, starting from the head part along the

Longitudinal axis extends, wherein the shell part at the end opposite the head part has an end portion, and wherein the closure cap comprises a guarantee part and bridge parts, wherein the guarantee part is arranged with respect to the shell part spaced and is connected via bridge parts with the end portion of the shell part, and wherein the guarantee part in

Course of the longitudinal axis along the end portion

is arranged so that the guarantee part is arranged in a radial direction to the longitudinal axis spaced from the casing part and in

Circumferentially extending to the longitudinal axis along the shell part.

The problem is further solved in particular with a

Guarantee closure including a cap, as well

comprising a container neck, wherein the container neck and the

Cap via a thread or via a push-pull - -

Connection are mutually movably connected to each other, so that the closure cap about the longitudinal axis rotatable and / or can be solved displaceable in the direction of the longitudinal axis of the container neck, wherein the container neck comprises an engagement part, which via a connection point with the container neck

is connected, wherein the engagement part extends in the direction of the longitudinal axis, and wherein the engagement part is arranged such that the engagement part extends with connected to the container neck cap outside the shell part, wherein the engagement part has a projection such as a barb, wherein the projection is arranged in the longitudinal direction of the longitudinal axis between the head part and the guarantee part, and wherein the

Guarantee part protrudes radially to the longitudinal axis on the projection, so that the guarantee part during the first opening of the

Closure cap comes into contact with the projection and is damaged by this.

The object is further achieved, in particular, with a container neck having a pouring channel extending in the direction of a longitudinal axis, which opens into an outlet opening, wherein the

Container neck to the outlet opening toward a front portion and in the direction of the longitudinal axis adjacent to the front portion has a rear portion, and wherein the container neck on the outside of the front portion a

External thread or an engaging means for securing a

Having closure cap, wherein the external thread or the engagement means has a depth radially to the longitudinal axis,

and wherein the container neck at the rear portion of a

Connecting point and an engaging part, wherein the

Joint extends radially to the longitudinal axis, and wherein the Engaging portion extending from the junction in the direction of the longitudinal axis and the outlet opening, and wherein the container neck has a support member which is disposed opposite the engagement member, so that forms a longitudinal axis extending gap between the support member and the engagement part, and wherein the support part has a width radially to the longitudinal axis, which is at least as large as the depth of the external thread or the engagement means.

The object is further solved in particular with a method for producing a guarantee closure by a

Closing cap is connected to a container neck, wherein a front portion of the container neck is inserted by bouncing or turning into the cap, and wherein a guarantee part of the cap during the connection of the cap with the container neck is pressed by the engagement member against a shoulder of the cap, so that Guarantee part during bonding at least temporarily rests in a defined position on the shoulder to avoid excessive tensile forces on bridge parts during the connection, the bridge parts the

Join the warranty part with the cap.

The closure cap according to the invention has the advantage that its initial opening is usually easily recognizable, since the guarantee part is arranged outside on the cover part of the closure cap, and since the guarantee part is damaged during the initial opening of the closure cap, so that the damaged guarantee part is clearly visible from the outside is. Advantageously, the damaged warranty part of the surface of the skirt portion of the cap, so that the damaged warranty part particularly - -

is clearly recognizable. The guarantee closure according to the invention comprises the closure cap according to the invention with the at least along a partial section in the circumferential direction of the

Cap extending warranty part, and includes one

Container neck, preferably a bottle with a bottle neck on which the cap is attached. The container neck comprises an engaging part, which is designed and arranged such that the guarantee part during the opening of the closure cap

is damaged.

The closure cap according to the invention or the guarantee closure according to the invention have the advantage that the shell part of the closure cap can be made relatively long in its longitudinal direction. For example, a bottle usually has a bottleneck ring. A friend

The guarantee closure consists of a closure cap which is connected to a guarantee band via predetermined breaking points, the guarantee band being arranged immediately after the neck of the bottle neck, and after the guarantee band in the direction of the

Bottleneck successively following the predetermined breaking points and the cap are arranged. Such a guarantee closure is made relatively long in the direction of the neck of the bottle. In the case of the guarantee closure according to the invention, the guarantee part is arranged outside around the closure cap, with the result that the closure cap is located immediately after the closure

Bottle neck ring can be arranged. The length, which was required for the warranty part for the guarantee part, can be used with the guarantee closure according to the invention in order to increase the length of the closure cap accordingly. The inventive guarantee closure thus allows the - -

To increase the overall length of the cap, or, more advantageously, to leave the total length of the cap at the usual level, and for the bottleneck

shorten. This allows the guarantee closure and / or the container neck or bottleneck with less material

manufacture. In view of the large number of plastic bottles that are produced, the erfmdungsgemässe

Guarantee closure a significant material savings. The invention will be described below with reference to several

Embodiments described in detail.

Brief Description of the Drawings The drawings used to illustrate the embodiments

Drawings show:

Fig. 1 is a perspective view of a first embodiment of a guarantee closure; Fig. 2 is a side view of a second embodiment of a guarantee closure;

Fig. 3 is a longitudinal section through the guarantee closure according to

Figure 2;

4 shows a cross section of the guarantee closure according to FIG. 3 along the section line A-A;

5 shows a perspective view of the container neck according to FIG. 3 without attached warranty screw closure; - -

6 shows a longitudinal section through the container neck according to FIG. 5;

7 shows a side view of the closure cap according to FIG. 2;

8 shows a longitudinal section through the closure cap according to FIG. 7;

9 shows a cross section through that shown in FIG

Cap along section line B-B;

10 shows a cross section through that shown in FIG

another cap along the section line B-B;

Fig. 1 1 is a perspective view of another

Cap; 12a is a detail view, bottom left, in Figure 8

illustrated cap;

12b shows a detail view, bottom right of FIG. 8

illustrated cap;

13a shows the detail view according to FIG. 12a during the

Securing the cap on the container neck;

FIG. 13b shows the detail view according to FIG. 12b during the FIG

Securing the cap on the container neck;

14 shows a longitudinal section through a guarantee closure designed as a push-pull closure; Fig. 15 is a longitudinal section through another

Embodiment of an engagement part.

Basically, the same parts are given the same reference numerals in the drawings. - -

Ways to carry out the invention

FIG. 1 shows a perspective view of a first

Embodiment of a guarantee closure 1 comprising a closure cap 2 and a container neck 3a with a

Container neck ring 3b and with a non-visible outlet opening 3h. The closure cap 2 comprises a disc-shaped head part 2a and a shell part 2b with a partially structured surface 2c. Along the outside of the jacket part 2b, a plurality of mutually circumferentially spaced guarantee parts 2e are arranged. At the container neck ring 3b, an engagement part 3d is arranged with a projection 3q, wherein in the illustrated

Embodiment, the engagement part 3d as a hook part and the projection 3q is designed as a barb 3e. During the opening of the closure cap 2, at least one guarantee part 2e will be attached to the barb 3e and thereby damaged, so that due to the condition of the guarantee parts 2e it can be seen from the outside whether the closure cap 2 has already been opened once.

A second exemplary embodiment of a guarantee closure 1 comprising a closure cap 2 and a container neck 3a with outlet opening 3h is shown in FIGS. 2 to 9. Figure 2 shows a side view and Figure 3 is a section of

Guarantee closure 1. As can be seen from FIG

Cap 2, a head part 2a and a shell part 2b, wherein the shell part 2b is configured substantially hollow cylindrical and has a longitudinal axis L. The casing part 2b extends from the head part 2a in the direction of the longitudinal axis L, the casing part 2b at the end opposite the head part 2a, such as - -

shown in Figures 3 and 7, has an end portion 2f. The closure cap 2 comprises an annular guarantee part 2e and a plurality of bridge parts 2i, wherein the guarantee part 2e is arranged radially spaced with respect to the shell part 2b and is connected to the end section 2f of the shell part 2b via bridge parts 2i, the guarantee part 2e extending in the direction of the longitudinal axis L is arranged along or within the end portion 2f, so that the guarantee part 2e is arranged in a direction radial to the longitudinal axis L direction spaced from the casing part 2b and extends in the circumferential direction to the longitudinal axis L outside along the casing part 2b. In an advantageous embodiment, the

Guarantee part 2e, as shown in Figures 2 and 7, a plurality of circumferentially spaced weak points 2k to specify defined break points. In an advantageous

Embodiment, the surface of the shell part 2b is provided with a structured surface 2c. In an advantageous

Embodiment is the guarantee closure, as shown in Figure 3, configured as a rotary closure, wherein the container neck 3a a

External thread 3c has, and wherein the closure cap 2 on the inside 2d has an internal thread 2h adapted to the external thread 3c, so that the closure cap 2 can be rotatably released from the container neck 3a about the longitudinal axis L.

As can be seen in FIGS. 2, 3, 5 and 6, FIG

Container neck 3a an engagement part 3d, which via a

Junction 3b is connected to the container neck 3a, wherein the engagement part 3d extends in the direction of the longitudinal axis L, and wherein the engagement part 3d is arranged such that the engagement part 3d extends outside connected to the container neck 3 cap 2 along the shell portion 2b. The - -

Engaging part 3d has a designed as a barb 3e

Projection 3q, wherein the barb 3e is arranged in the direction of the longitudinal axis L between the head part 2a and the guarantee part 2e. As can be seen in FIGS. 2 and 3, the guarantee part 2e protrudes radially to the longitudinal axis L via the barbs 3e, so that the guarantee part 2e comes into contact with the barb 3e during the initial opening of the closure cap 2 and becomes damaged by it Guarantee part 2e

for example, is torn and / or the bridge part 2i is torn and / or the vulnerability 2k is torn. The projection 3q or the barbs 3e can be configured in many different ways, for example as a stop member, which prevents or impedes passage of the guarantee part 2e, and therefore damages the guarantee part 2e.

The container neck 3a shown in FIGS. 2, 3, 5 and in particular in FIG. 6 has a pouring channel 3m extending in the direction of a longitudinal axis L, which opens into an outlet opening 3h, the container neck 3a having a front section 3k towards the outlet opening 3h and in the direction of the longitudinal axis L subsequent to the front portion 3k a rear

Section 31 has. The container neck 3a has on the outside of the front portion 3k an external thread 3c or a

Engagement means 3p for securing a closure cap 2, wherein the external thread 3c or the engagement means 3p radially to the longitudinal axis L has a depth B 1. The container neck 3a has at the rear portion 31 a connection point 3b and an engagement part 3d, wherein the connection point 3b extends radially to the longitudinal axis L, and wherein the engagement part 3d starting from the

Junction 3b in the direction of the longitudinal axis L and the - -

Outlet opening 3h directed towards. The container neck 3a comprises a support part 3g, which is arranged opposite the engagement part 3d, so that a gap 3o running in the direction of the longitudinal axis L forms between the support part 3g and the engagement part 3d, wherein the support part 3g has a width B2 radially to the longitudinal axis L, Which is at least as large as the depth B 1. The width B2 can also be greater than the depth B 1. As can be seen from Figure 3, the cap 2 in an advantageous embodiment in the region of the end portion 2f a

Inner diameter, which is equal to or slightly larger than the outer diameter of the support member 3g, so that, as shown in Figure 3, the cap comes to rest in the region of the end portion 2f to the outer surface of the support member 3g. The support member 3g prevents the cap wall from escaping in the direction of the longitudinal axis L, in particular when the projection 3q of the engagement member 3d bears against the guarantee member 2e and damages it. The feature that the width B2 is at least as large as the depth Bl ensures that the end portion 2f of the closure cap 2 during fitting to the container neck 3a at the

External thread 3c can be passed, and that the

Inside the end portion 2f of the closure cap 2 abuts almost or touching the outer surface of the support member 3g when placed on the container neck 3a closure cap 2. The container neck 3a is as shown in FIG. 6

designed such that the engagement part 3d has a projection 3q at the end section opposite the connection 3b, the projection 3q being oriented towards the support part 3g and projecting into the gap 3o. In the illustrated embodiment, the engagement part 3d comprises a barb 3e, wherein the - -

Projection 3q is part of the barb 3e, so the

Barb 3e is aligned with the support member 3g and protrudes into the gap 3o. The engaging part 3d points in the direction of

Outlet opening 3h towards a guide surface 3i, which extends transversely to the longitudinal axis L, such that the guide surface 3i in the direction of

Junction 3b towards a tapered gap 3n is formed. Advantageously, the container neck 3a, as shown in Figures 4 and 5, comprises two engagement parts 3d, which with respect

Longitudinal axis L are arranged offset by 180 degrees.

Advantageously, the connection point 3b as a

Container neck ring 3b configured. In the illustrated

Embodiment, the support member 3g in the circumferential direction as wide as the engagement part 3d configured. In a further advantageous embodiment, the support member 3g is designed as a with respect to the longitudinal axis L by 360 ° circumferential projection. The container neck 3a could also comprise a plurality of engagement parts 3d and support parts 3g, for example 3, 4, 5 or 6, which are distributed in the circumferential direction. The guarantee closure 1 requires at least a single

Engaging part 3d with projection 3q like a barb 3e. In an advantageous embodiment, a plurality of engagement parts 3d with projections 3q or barbs 3e in

Circumferentially arranged spaced. Particularly advantageous, as shown in Figures 2, 3, 5 and 6, an arrangement in which two engagement parts 3d are arranged mutually offset by 180 degrees.

The connection point 3b can be configured in one possible embodiment as a bridge part, with in the circumferential direction of the same - -

or a similar width as the engaging part 3d. In a

advantageous embodiment, the connection point 3b, as shown in Figures 3 to 6, designed as a container neck ring 3b.

The warranty parts 2e may be configured in a variety of ways. The closure cap 2 comprises at least one guarantee part 2e, which is connected to the shell part 2b via bridge parts 2i. The guarantee part 2e extends in the circumferential direction of the longitudinal axis L by at least 5 degrees. Advantageously, as shown in Figures 1 and 10, arranged in the circumferential direction of the longitudinal axis L, a plurality of mutually spaced warranty parts 2e. In an advantageous embodiment, the

Cap 2, as shown in Figure 1 1, two guarantee parts 2e, which are mutually offset in the circumferential direction of the longitudinal axis L by 180 degrees. In a further advantageous

Embodiment, the closure cap 2 comprises an odd number of guarantee parts 2e and / or an odd number of

Bridge parts 2i. This ensures that, for example, in the arrangement shown in FIG. 5, with two engagement parts 3d offset by 180 degrees, at least one of the two

Engaging parts 3e a guarantee part 2e is applied in such a way that it is reliably damaged and similarly reproducible during opening.

In a further advantageous embodiment, the

Cap 2, as shown in Figures 2, 7 and 9, a single warranty part 2e, wherein the guarantee part 2e is designed annular and extends over 360 degrees.

In an advantageous embodiment, the closure cap 2, as shown in the detail views according to Figure 12a and 12b such - -

configured such that the jacket part 2b on the outer surface has a shoulder 21, wherein the shoulder 21, starting from the

Attachment point of the bridge part 2i with the jacket part 2b is arranged offset in the direction of the head part 2 a out, the paragraph 21 to form a support surface 2n on the

Jacket part 2b protrudes. The shoulder 21 and the guarantee part 2e and the bridge part 2i are, as shown in the detail views according to Figure 13a and 13b, designed and arranged mutually adapted so that when a force toward the head part 2a back on the warranty part 2e acts, for example in the figures

13a, 13b represented by the barbs 3e, the guarantee part 2e is displaceable towards the shoulder 21 so that the guarantee part 2e rests against the shoulder 21 or against the support surface 2n. This embodiment has the advantage that during manufacture of the guarantee closure 1, that is to say during the initial loading of the container neck 3a with the closure cap 2, it is ensured that the at least one guarantee part 2e and / or the bridge parts 2i are not damaged, since the guarantee part 2e, as shown in Figures 13a and 13b, at the paragraph 21st

or may rest against the support surface 2n. The

Engaging part 3d and the barbs 3e points

Advantageously, as shown in Figures 13a and 13b, to the container neck 3a and the shell part 2b towards a longitudinal axis L obliquely extending guide surface 3i, wherein the guide surface 3i in the direction of the junction 3b towards the

Container neck 3a approaches, and forms a tapered gap 3n. As shown in FIGS. 13a and 13b, this embodiment has the advantage that the guarantee part 2e is precisely fed to the shoulder 21 or the support surface 2n. In an advantageous embodiment, the container neck 3a, as in - -

3, 4 and 6, a support part 3g, wherein the support part 3g is preferably arranged opposite the engagement part 3d, to escape in the state shown in Figures 13a and 13b, the jacket part 2b in the direction of

Longitudinal L to prevent. In addition, prevent the support members 3g even when first opening the guarantee closure 1 a possible escape of the shell part 2b and thus the guarantee part 2e in the direction of the longitudinal axis L out. The support member 3g thus ensures a reliable and reproducible damage to the

Warranty part 2e when first opening the guarantee closure 1.

FIG. 14 shows a further longitudinal section

Embodiment of a guarantee closure 1. The

Closure cap 2 and the container neck 3a are configured so adapted to each other that a so-called push-pull connection is formed, that is, the cap 2 separated by a linear movement in the direction of the longitudinal axis L of the container neck 3a, and if necessary also put back can. In contrast to the embodiment shown in FIG. 3, the embodiment shown in FIG. 14 has no threads 3c, 2h, but preferably circular engagement means 2p, 3p, which snap together, and which hold the closure cap 2 in the position shown, the closure cap 2 can be removed and replaced, and wherein the first time removing the cap 2, the warranty part 2e is damaged.

FIG. 15 shows in a detailed view a further exemplary embodiment of an engagement part 3d, which, in contrast to that in FIG

illustrated embodiment a rectangular designed - -

Projection has 3q, which rests on the removal of the cap 2 on the guarantee part 2e and this damaged. In a further embodiment, as indicated by the dashed line 3r, the support member 3g could be dispensed with by the

Outer wall of the container neck 3a along the line 3r extends. If the jacket part 2b of the closure cap 2 is made so stable that it does not deform or only insignificantly in the direction of the longitudinal axis L when the closure cap 2 is opened in the region of the engagement part 3d, the support part 3g could be dispensed with.

As shown in Figures 2 and 3, the guarantee closure 1 is configured in an advantageous embodiment such that the closure cap 2 has an outer diameter D that aligned to the container neck ring 3b end 2 m of

Closure cap 2 in the direction of the longitudinal axis L with a distance L2 to the container neck ring 3b is spaced, and that the distance L2 is less than 2% of the outer diameter D. Preferably, the distance L2 is less than 0.5 mm. An advantage of this

Embodiment is that the height H of the cap 2 can be made particularly large, so that the jacket part 2b is configured correspondingly long, so that the fingers very much

can be applied pleasantly to the jacket part 2b or to the structured surface 2c. In previously known

Caps 2 sometimes results in the problem that the cap 2 has a small height H, so that the

Cap 2 is difficult to open. The closure cap 2 according to the invention has the advantage that it can be produced at a comfortable height H despite the short container neck 3a. The erfmdungsgemässe cap 2 also has the - -

Advantageous that the length of the container neck 3a can be reduced, and the cap 2 still has a pleasant height for operating with his fingers H. By the shortened container neck 3a material can be saved. The guarantee closure 1 is advantageously manufactured such that the closure cap 2 is connected to the container neck 3a by inserting a front portion 3k of the container neck 3a by bouncing or turning into the closure cap 2 by applying a guarantee part 2e of the closure cap 2 during the process

Connecting the cap 2 is pressed with the container neck 3 a by the hook portion 3 d against a shoulder 21 of the cap 2, and by the guarantee part 2 e at least temporarily abuts the shoulder 21 in a defined position during the connection, during the connecting excessive pulling forces on the

Bridge parts 2i to avoid.

Claims

1. cap (2) made of plastic for closing a container (3), comprising a head part (2a) and a shell part (2b), wherein the shell part (2b) substantially

is hollow cylinder-shaped and has a longitudinal axis (L), wherein the casing part (2b) extends from the head part (2a) along the longitudinal axis (L), wherein the casing part (2b) at the head part (2a) opposite end has an end portion ( 2f), and wherein the closure cap (2) comprises a guarantee part (2e) and bridge parts (2i), wherein the guarantee part (2e) with respect to the shell part (2b) is arranged at a distance and via bridge parts (2i) with the

End portion (2f) of the shell part (2b) is connected, and wherein the guarantee part (2e) in the direction of the longitudinal axis (L) along the end portion (2f) is arranged, so that the guarantee part (2e) in radial direction to the longitudinal axis (L) spaced is arranged to the jacket part (2b) and in

Circumferential direction to the longitudinal axis (L) outside along the

Jacket part (2b) extends.

2. Closure cap according to claim 1, characterized in that it comprises at least one guarantee part (2e) which extends in the circumferential direction of the longitudinal axis (L) by at least 5 degrees.

3. Closure cap according to claim 2, characterized in that in the circumferential direction of the longitudinal axis (L) a plurality of mutually spaced guarantee parts (2 e) are arranged.

4. A closure cap according to claim 3, characterized in that it comprises two guarantee parts (2e), which in

Circumferential direction of the longitudinal axis (L) are mutually offset by 180 degrees.

5. A closure cap according to claim 1, characterized in that it comprises a single guarantee part (2e), and that the guarantee part (2e) is designed annular and extends over 360 degrees.

6. Closure cap according to one of the preceding claims, characterized in that it has an odd number of guarantee parts (2e) and / or an odd number of

Bridge parts (2i) has.

7. Closure cap according to one of the preceding claims, characterized in that the casing part (2b) on the outer surface has a shoulder (21), wherein the shoulder (21), starting from the attachment point of the bridge part (2i) with the casing part (2b) in Direction to the head part (2 a) is arranged offset, wherein the shoulder (21) on the shell part (2 b) protrudes, and wherein the shoulder (21) and the guarantee part (2 e) and the bridge part (2 i) designed and arranged mutually adapted in that, when a force acts on the guarantee part (2e) in the direction of the head part (2a), the guarantee part (2e) is displaceable towards the shoulder (21) such that the guarantee part (2e) on the shoulder (21) is applied.

8. Guarantee closure (1) comprising a closure cap (2) according to one of the preceding claims, and comprising a container neck (3a), wherein the container neck (3a) and the Closure cap (2) are mutually movably connected to one another via a thread or via a push-pull connection, so that the closure cap (2) is rotatable about the longitudinal axis (L) and / or slidable in the direction of the longitudinal axis (L) from the container neck (3a). is solvable,

the container neck (3a) comprising an engaging part (3d) connected to the container neck (3a) via a joint (3b), the engaging part (3d) being in

Extending longitudinal direction (L), and wherein the engagement part (3d) is arranged such that the

Engaging part (3d) with the container neck (3a) connected to the cap (2) outside along the shell part (2b), wherein the engagement part (3d) has a projection (3q), wherein the projection (3q) in the direction of the longitudinal axis (L ) between the head part (2a) and the

Guarantee part (2e) is arranged, and wherein the guarantee part (2e) projects radially to the longitudinal axis (L) on the projection (3q), so that the guarantee part (2e) during the initial opening of the cap (2) with the projection (3q) in Touch comes and is damaged by this.

9. guarantee closure according to claim 8, characterized in that the engagement part (3d) to the container neck (3a) out with respect to the longitudinal axis (L) obliquely extending guide surface (3i), wherein the guide surface (3i) in the direction of

Joint (3b) approaches the container neck (3a).

10. guarantee closure according to claim 8 or 9, characterized in that the engagement part (3d) has a barb (3e), wherein the projection (3q) forms part of the

Barbs is.

1 1. Guarantee closure according to one of claims 8 to 10, characterized in that the container neck (3a) a

Support member (3g), and that the support member (3g)

opposite the engagement part (3d) is arranged.

12. Guarantee closure according to claim 1 1, characterized

in that the container neck (3a) has an external thread (3c) or an engagement means (3p) which has a depth (Bl) radially to the longitudinal axis (L), and in that the support member (3g) has a width radially to the longitudinal axis (L) (B2), which is at least as large as the depth (Bl).

13. Guarantee closure according to one of claims 8 to 12, characterized in that it comprises two engagement parts (3d), which are arranged mutually offset by 180 degrees.

14. Guarantee closure according to one of claims 8 to 13, characterized in that the support part (3g) is designed as a relative to the longitudinal axis (L) by 360 ° circumferential projection.

15. Guarantee closure according to one of claims 8 to 14, characterized in that the connection point (3b) is designed as a container neck ring (3b).

16. Guarantee closure according to claim 15, characterized

in that the closure cap (2) has a

Outside diameter (D) has that for Container neck ring (3b) aligned end (2m) of

Closure cap (2) in the direction of the longitudinal axis (L) with a distance (L2) to the container neck ring (3b) is spaced, and that the distance (L2) is less than 2% of the outer diameter (D).

17. Guarantee closure according to one of claims 8 to 15, characterized in that the closure cap (2) has an outer diameter (D), that the connection point (3b) aligned end (2m) of the closure cap (2) in the direction of the longitudinal axis (L ) with a distance (L2) to

Joint (3b) is spaced, and that the distance (L2) is less than 2% of the outer diameter (D).

18. container neck (3a) having a in the direction of a longitudinal axis (L) extending Ausgiesskanal (3m), which opens into an outlet opening (3h), wherein the container neck (3a) for

Outlet opening (3h) towards a front portion (3k) and in the direction of the longitudinal axis (L) adjacent to the front portion (3k) has a rear portion (31), and wherein the container neck (3a) on the outside of the front portion (3) 3k) an external thread (3c) or a

Engaging means (3p) for fastening a closure cap (2), the external thread (3c) or the engagement means (3p) having a depth (Bl) radially to the longitudinal axis (L),

and wherein the container neck (3a) at the rear portion (31) has a joint (3b) and an engagement part (3d), the joint (3b) being radial to the longitudinal axis (L), and the engagement part (3d) starting from the Joint (3b) in the direction of the longitudinal axis (L) and the Outlet opening (3h) directed towards, and wherein the container neck (3a) has a support member (3g), which

is arranged opposite the engagement part (3d), so that between the support part (3g) and the engagement part (3d) in the direction of the longitudinal axis (L) extending gap (3o) is formed, and wherein the support member (3g) radially to the longitudinal axis (L ) has a width (B2) which is at least as large as the depth (Bl).

19. Container neck according to claim 18, characterized

in that the engagement part (3d) on the

Connecting point (3b) opposite end portion has a projection (3q), wherein the projection (3q) for

Support member (3g) is aligned and protrudes into the gap (3o).

20. Container neck according to claim 19, characterized

in that the engagement part (3d) comprises a barb (3e), wherein the projection (3q) forms part of the

Barb (3e) is such that the barb (3e) is directed toward the support member (3g) and projects into the gap (3o).

21. Container neck according to one of claims 18 to 20,

characterized in that the engagement part (3d) in the direction of the outlet opening (3h) towards a guide surface (3i) which extends transversely to the longitudinal axis (L), such that the guide surface (3i) in the direction of the connection point (3b) out a yourself

tapering gap (3n) is formed.

22. Container neck according to one of claims 18 to 21,

characterized in that these two engagement parts (3d) includes, which are arranged offset with respect to the longitudinal axis (L) by 180 degrees.

23. Container neck according to one of claims 18 to 22,

characterized in that the connection point (3b) is designed as a container neck ring (3b).

24. Container neck according to one of claims 18 to 23,

characterized in that the support part (3g) is designed as a relative to the longitudinal axis (L) by 360 ° circumferential projection.

25. container (3) or container neck (3a) comprising a

Warranty closure according to one of claims 8 to 16.

26. A method for producing a guarantee closure (1) according to one of claims 8 to 17 by a

Closure cap (2) according to one of claims 1 to 7 with a container neck (3a) according to one of claims 18 to 24, characterized in that a front portion (3k) of the container neck (3a) by bouncing or turning into the closure cap (3). 2), and that a guarantee part (2e) of the closure cap (2) during connection of the closure cap (2) with the container neck (3a) pressed by the engagement part (3d) against a shoulder (21) of the closure cap (2) is that the guarantee part (2e) during the bonding at least temporarily in a defined position on the shoulder (21) is applied in order to avoid excessive tensile forces on the bridge parts (2i) during the connection.