EP1943158A1

EP1943158A1 - Container closure

Info

Publication number: EP1943158A1
Application number: EP05808114A
Authority: EP
Inventors: Mario Weist
Original assignee: Capartis AG
Current assignee: Capartis AG
Priority date: 2005-10-06
Filing date: 2005-10-28
Publication date: 2008-07-16
Anticipated expiration: 2025-10-28
Also published as: US8292103B2; DE502005010662D1; EP1943158B1; PL1943158T3; WO2007038991A1; ES2355401T3; US20080277371A1; ATE490929T1

Abstract

The container closure (1) includes a flange (2) having an inlet opening (2p) and an outlet tube (2a) having a thread (2b) arranged after the inlet opening (2p) in the outflow direction and includes a rotary closure (3) with an outlet opening (3p) and with a thread (3i), wherein the two threads (2b, 3i) engage into one another and are aligned such that the rotary closure (3) is rotatable with respect to the flange (2) about an axis of rotation (D) and is displaceably mounted in the direction of the rotary axis (D), wherein the flange (2) includes a sealing lip (2i) projecting towards the axis of rotation (D) which forms the inlet opening (2p) extending concentric to the axis of rotation (D), wherein the rotary closure (3) has a spigot (3a) arranged concentric to the axis of rotation (D) which is arranged in the outflow direction after the inlet opening (2p) and wherein the spigot (3a) and the sealing lip (2i) are designed mutually matched so that the spigot (3a) which can be displaced in the direction of the axis of rotation (D) can adopt at least two positions, a closed position (SS) in which the spigot (3a) contacts the sealing lip (2i) so that the inlet opening (2p) is closed and an open position (OS), in which the spigot (3a) is spaced from the sealing lip (2i) so that the inlet opening (2p) is opened.

Description

CONTAINER CLOSURE

The invention relates to a container closure according to the preamble of claim 1.

Containers such as bottles are usually provided with a container closure, so that the bottle can be opened and closed again in a simple manner. The container closure preferably has a cap, which can be attached to the container opening. Container closures, as these are generally used for drinking bottles in the sports sector, are manually operable and ensure in the closed position a liquid-tight closure of the container contents. If necessary, the container closure can be brought into the open position, so that without the container closure must be removed, the liquid in the container can be removed.

The document WO 2005/035379 discloses a container closure for drinking bottles, which is also suitable for carbonated drinks. This container closure has the disadvantage that it is cumbersome to use. The container closure has the further disadvantages that an overpressure can be poorly degraded, that a pressurized carbonated liquid can shoot up through the container closure, and that the container closure can not be kept hygienically clean.

It is an object of the present invention to improve a container closure such that it allows a simple and reliable opening and resealing and user-friendly to use.

This object is achieved with a container closure having the features of claim 1. The dependent claims 2 to 25 relate to further advantageously designed container closures.

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The object is achieved in particular with a container closure comprising a flange with an inlet opening and an outlet opening downstream in the outflow direction outlet pipe with a thread, and comprising a rotary closure with an outlet opening and with a thread, wherein the two threads interlock and are aligned such that the rotary closure is rotatable relative to the flange about an axis of rotation and displaceably mounted in the direction of the axis of rotation, wherein the flange comprises a sealing lip projecting towards the axis of rotation, which forms the inlet opening running concentrically to the axis of rotation, and wherein the rotary closure comprises a pin arranged concentrically to the axis of rotation, which is arranged downstream of the inlet opening in the outflow direction, and wherein the pin and the sealing lip are configured so adapted to each other that the displaceable in the direction of the axis of rotation pins occupy at least two positions can, a closed position in which the pin rests against the sealing lip, so that the inlet opening is closed, and an open position in which the pin is spaced with respect to the sealing lip, so that the inlet opening is opened.

The container closure according to the invention has the advantage that it allows a reliable liquid-tight closure of a container contents, in particular even if there is a carbonated, pressurized liquid in the container, or a liquid prone to gases. The container closure according to the invention comprises a rotary closure, which is rotated relative to the flange about an axis of rotation. Depending on the rotational speed of the

Rotary closure allows a person to determine how quickly the pin should be lifted and thereby the container closure should be opened. Preferably, depending on the filling medium, a rapid opening of the container closure can be achieved in that the thread is formed with a high pitch, so that a slight turning already generates a large lifting movement. The pin can be lifted very slowly by turning the twist lock accordingly. In addition, the rotation can be interrupted at any time, so that the container closure can remain in any position. A person can thus determine the preferred opening and thus the outflow speed themselves, which is perceived as very pleasant. The inventive container closure can also with little effort again

G1202WO 28.10.05 getting closed. In a preferred embodiment, the container closure has a stop, so that the maximum lifting movement is limited, which ensures, for example, that the rotary closure is not separated from the flange.

In an advantageous embodiment, the pin is elastically mounted in the container closure, so that the container closure automatically opens at a high pressure in the container and degrades pressure.

In a further advantageous embodiment, the container closure has an outlet opening, which have distributed over its entire cross-sectional opening arranged elements which cover the outlet opening, so that an escaping liquid is deflected in the container closure, and thus can not escape as a direct beam.

In a preferred embodiment, the container closure also comprises a protective cover which at least temporarily covers the rotary closure in order to keep the rotary closure and the outlet opening clean.

The container closure according to the invention is suitable for a large number of containers of different configurations or consisting of different materials. The container may for example consist of glass, plastic, metal, cardboard, a cardboard composite or a composite package. The flange can be designed as a screw cap, which can be screwed onto the opening of a glass bottle, for example. The flange can also be designed, for example, as a welding flange or adhesive flange, which can be fastened to a packaging material.

The invention will be explained in more detail with reference to embodiments. The figures show:

Fig. 1 is a perspective view of a never opened

Container closure;

Fig. Ia is a detail view C of the predetermined breaking point; Fig. 2 is a perspective view of the opened

Container closure, partly in section, with open protective cover; 3 shows a perspective view of the flange of the container closure designed as a screw cap;

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Fig. 4 is a longitudinal section through the screw according to

FIG. 3; Fig. 5 is a longitudinal section through the container closure according to

FIG. 1; 6 shows a detailed view A of the longitudinal section according to FIG. 5;

Fig. 7 is a longitudinal section through an open

Container closure, with closed protective cover; 8 shows a detailed view B of the longitudinal section according to FIG. 7;

9 is a perspective view of the same, shown in Figure 2, open container closure, from another viewing direction. Fig. IO is a longitudinal section through the container closure according to

Figure 9;

11 shows a top view of the container closure according to FIG. 9;

Fig. 12 is a perspective view of another

Embodiment of an open

Container closure in section;

Fig. 13 is a perspective view of another embodiment of an open

Container closure in section; 14 shows a perspective view of a further, not yet opened container closure;

FIG. 15 shows a further embodiment of a screw cap; FIG. 16 shows a further embodiment of a closure; Fig. 17 the closure shown in Figure 16 from another

Sight; Fig. 18 shows a further embodiment of a closure with

Protective cover seen from below; 19 shows a further embodiment of a screw cap; Fig. 20 shows another embodiment of a flange.

FIG. 1 shows a perspective view of a container closure 1. A protective cover 4 is pivotally connected to the rotary closure 3 via a joint. The container closure 1 comprises a flange 2, which is designed as a screw cap 2. Both the screw cap 2 and the protective cover 4 have a corrugation in the circumferential direction. The screw cap 2 comprises a guarantee strip 2f with hooks 2g, which via one or more predetermined breaking points 2h with the

Screw cap 2 is connected. The protective cover 4 comprises an opening plate with holding part 4c. The container closure 1 shown in Figure 1 has never been opened, so that the predetermined breaking point 2h is still intact, and the protective cover 4 at least

G1202WO 28.10.05 is held on the guarantee band 2f. There may be provided further holding means. When opening the container closure 1, the holding part 4 c can be used as a support for a finger, thereby exerting a force on the protective cover 4 and lift it.

FIG. 1a shows detail C of FIG. 1 in detail. The guarantee strip 2f is connected via predetermined breaking points 2h with the underlying screw cap 2. These predetermined breaking points 2h are severed when the protective cover 4 is opened. In addition, the guarantee strip 2f comprises a plurality of supports 2r, which are slightly spaced with respect to the screw cap 2, and thus are not connected thereto. These supports 2r serve to relieve the pressure of the predetermined breaking points 2h. Without these supports 2r, the predetermined breaking points 2h could be damaged, with a force acting downwards over the hook 2g.

Figure 2 shows the container closure 1 shown in Figure 1 in the open state and in a perspective view, partially in section. The container closure 1 comprises a screw cap 2 with quality ring 2o and inlet opening 2p, and an outlet tube 2a with an external thread 2b arranged downstream of the inlet opening 2p in the outflow direction. The outlet tube 2a or the thread 2b define an axis of rotation D. The screw cap 2 comprises a sealing lip 2i projecting towards the axis of rotation D, which forms the inlet opening 2p extending concentrically to the axis of rotation D. The container closure 1 further comprises a rotary closure 3 with an outlet opening 3p and with an internal thread 3i. The two threads 2b, 3i engage each other in such a way and are aligned such that the rotary closure 3 with respect to the screw cap 2 is rotatable about the rotation axis D and slidably mounted in the direction of the rotation axis D. The displacement in the direction of the axis of rotation D causes a raising or lowering of the rotary closure 3 with respect to the screw cap 2. The rotary closure 3 comprises a pin 3a which is arranged concentrically to the axis of rotation D and which is arranged downstream with respect to the inlet opening 2p in the outflow direction. By turning the rotary closure 3, this and thus also the pin 3 a connected to the rotary closure 3 moves in the direction of the rotation axis D. By a corresponding rotation of the

Rotary closure 3, the pin 3a in at least two different positions displaced, a closed position SS, in which the pin rests against the sealing lip 2i, so that the inlet opening 2p is closed, and an open position OS, in

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which is the pin 3a with respect to the sealing lip 2i spaced so that the inlet opening 2p is opened. The pin 3a has a sealing surface 3c, which is intended to abut against the sealing lip 2i, wherein the sealing surface 3c with respect to the direction of the rotation axis D has an inclination angle α in the range between 1 ° and 45 °. The pin 3a preferably has an inner cavity 3b, so that the outer walls of the pin 3a extending in the direction of the rotation axis D are pressed outwardly against the sealing lip 2i in the radial direction by the pressure prevailing in the container. The sealing lip 2i extends at an obtuse angle to the axis of rotation D, so that an increase in pressure in the liquid container has the consequence that the sealing lip 2i strives to move in the direction of outflow, which additionally increases the sealing function between pin 3a and sealing lip 2i. This arrangement of the sealing lip 2i and the inner cavity 3b of the pin 3a have the consequence that the sealing lip 2i and the pin 3a are pressed against each other with increasing pressure in the container stronger, so that their sealing function increases and even at high pressures a secure sealing function is ensured. The entire rotary closure 3 may be designed inelastic. In a preferred embodiment, however, at least the portion connecting the pin 3a with the thread 3i is at least partially elastic in order to ensure a relative movement of the pin 3a with respect to the thread 3i in the direction of the axis of rotation D.

The rotary closure 3 shown in FIG. 2 has a mouthpiece 3h with a drinking opening 3p, wherein the mouthpiece 3h has a U-shaped cross-section in the direction of the rotation axis D, with a tubular outer part 3n having an internal thread 3i and a tubular inner section 3g. The rotary closure 3 is rotatable about the two threads 2b, 3i relative to the screw cap 2 and slidably mounted in the direction of the axis of rotation D. The pin 3a is connected via an elastic portion 3d with the tubular inner portion 3g, wherein the elastic

Section 3d is formed in this embodiment as a plurality of circumferentially distributed webs 3d. Between the webs 3d, a passage opening 3e is arranged in each case. The rotary closure 3 can now by a corresponding rotation about the axis of rotation D with respect to the

Screw cap 2 are moved so that the pin 3a can either be moved to the inlet opening 2b to close the inlet opening 2b, or can be moved in the opposite direction from the inlet opening 2p to the

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Opening 2p to open. The fluid flowing out of the container into the inlet opening 2p flows via the passage openings 3e to the outlet opening 3p. The rotary closure 3 has the cylindrical outer portion 3n downstream of an actuating element 3k with driving cams and / or one

Corrugation on which is preferably held with the fingers, so that a pleasant rotation of the rotary closure 3 is possible. However, the container closure 1 is preferably actuated such that the rotary closure 3 screw cap with the protective cover 4 closed is turned.

In a preferred embodiment, the flange 2 comprises a cover wall 2d with stop 2e and the rotary closure 3 also includes a stop 31 in order to limit the maximum stroke of the rotary closure 3 in the direction of the axis of rotation D.

In a further advantageous embodiment, the rotary closure 3 comprises a plurality of projections 3f projecting in the direction of the axis of rotation D. As shown in Figure 11 in a plan view of the rotary closure 3, the protruding lugs 3f, the webs 3d and the pin 3a are arranged such that they cover the entire outlet opening surface 3p. This embodiment has the advantage that a jet of liquid pouring into the inlet opening 2p can not move rectilinearly in the direction of the axis of rotation D, but is broken at the elements 3a, 3d, 3f, which makes a liquid jet issuing directly from the inlet opening 2p impossible. A liquid jet is thus always broken before it emerges from the outlet opening 3 p, which allows a comfortable opening of the container closure 1.

In a preferred embodiment, the container closure 1, as shown in Figure 2, a protective cover 4, which is connected via a hinge, not shown, pivotally connected to the rotary closure 3. The protective cover 4 comprises on the inside circumferentially spaced driving cams 4a, which engage in the illustrated in Figure 1 closed state of the container closure 1 in the driving cam 3k of the rotary closure 3, so that in FIG. 1 on the protective cover 4 effected torque on the

Rotary closure 3 is transmitted. This enables such a large force on the guarantee strip 2f to cause the predetermined breaking point 2h to break. However, the predetermined breaking point 2h can also be broken, for example, by a direction D of rotation

G1202WO 28.10.05 upward force is exerted on the opening plate with holding part 4c until the predetermined breaking point 2h breaks and thereby the protective cover 4 can be pivoted. The driving cams 3k, 4a also ensure that the

Hinge 4d does not attack excessive forces. As shown in FIG. 2, the guarantee strip 2f remains on the protective cover 4. As shown in FIG. 2, the protective cover also comprises a hook part 4b.

In a preferred embodiment, the rotary closure 3 between the pin 3a and the thread 3i an elastic portion 3d, which is compressible at least in the direction of the rotation axis D, so that the pin 3a in the direction of the rotation axis D and relative to the thread 3i is displaceable, if on the pin 3a a in the direction of the axis of rotation D to the outlet opening 3p directed towards force. The webs 3d illustrated in FIG. 2 thus have elastic properties in an advantageous embodiment. The elastic properties can be adapted to the anticipated, acting on the pin 3a by the pressure in the container, attacking forces. For example, in the case of a strongly carbonated beverage, the bars 3d could have a slight elastic property in the direction of the axis of rotation D, in order to ensure that the pin 3a does not inadvertently raise so strongly that the inlet opening 2p is opened.

Advantageously, the guarantee strip 2f is also connected in the open state with the protective cover 4, so that when opening the container closure 1 no disposable part is formed.

Figure 5 shows a longitudinal section of a closed container closure 1. If the pressure in the container exceeds a certain value, the pin 3a, due to the elastic properties of the webs 3d, moved so far up that the inlet opening 2p is opened and fluid can escape so that the pressure in the container is reduced. Due to the elastic properties, the inlet opening 2p is automatically closed again after the pressure has been reduced by the pin 3a. This ensures that a pressure reduction takes place as soon as the pressure in the container exceeds a predetermined value. By an appropriate choice of the elastic properties of the rotary closure 3, for example via material or wall thickness, it can thus be predetermined from which pressure the inlet opening 2p is opened to reduce the pressure.

G1202WO 28.10.05 FIG. 3 shows in a perspective view a flange 2 with a hollow cylinder-shaped outlet tube 2 a and an external thread 2 b as well as a seal 2 c extending at the outlet in the circumferential direction. The flange 2 further comprises a cover wall 2d with a stop 2e. In addition, the flange 2 comprises a guarantee strip 2f with hooks 2g and predetermined breaking point 2h. In addition, designed as a screw cap 2 flange comprises a quality ring 2o. FIG. 4 shows a longitudinal section through that shown in FIG

Screw cap 2. In addition to the elements already described in Figure 3, the bottom wall 2q of the screw cap 2 can be seen in Figure 4. The screw cap 2 also comprises a running in the circumferential direction D sealing ring 21 and a circumferentially extending end-side sealing lip 2m and extending in the circumferential direction sealing and / or braking part 2n, which should avoid a relative movement between the bottle opening and the screw cap 2. FIG. 5 shows in a longitudinal section a closed one

Container closure 1, wherein the rotary closure 3 is completely covered by the protective cover 4. The protective cover 4 is connected to the rotary closure 3 via the hinge 4d. As can be seen from the illustrated sectional drawing, the closure 3 is arranged completely inside the protective cover 4, so that it is ensured that the rotary closure 3 and in particular the mouthpiece 3h is kept hygienically clean.

FIG. 6 shows the detail marked A in FIG. 5 in an enlarged representation. The illustrated in Figure 6

Container closure 1 has never been opened, so that the protective cover 4 on the hook 2g, the guarantee strip 2f, the predetermined breaking point 2h and the holding part 4c is held. In the illustrated embodiment, the protective cover 4 is additionally held by the hook part 4b and the stopper 2e.

If now the rotary closure 3 is rotated about the rotation axis D, the rotary closure 3, as shown in a longitudinal section in FIG. 7, moves upward in the direction of the rotation axis D and the inlet opening 2p is released by the pin 3a, so that the fluid can escape.

FIG. 8 shows the detail marked B in FIG. 7 in an enlarged view. From Figure 8 it can be seen that the

G1202WO 28.10.05 - -

Predetermined breaking point 2h is severed, and that the hook portion 4b of the protective cover is no longer engaged on the stop 2e, so that the protective cover 4 can be pivoted about the hinge 4d, so that the rotary closure 3 and the mouthpiece 3h can be released. Once finished drinking, the

Rotary closure 3 are closed again, either by directly applying a torque to the rotary closure 3, and this is thereby rotated about the rotation axis D and the pin 3a is moved in the direction of the rotation axis D. There is also the possibility that initially the protective cover 4 is closed, and that thereafter a torque on the protective cover 4 engages, which transmits the torque to the rotary closure 3, so that it is rotated about the rotation axis D and the pin 3a thereby again in the Entry opening 2p moves. The hook part 4b of the protective cover 4 approaches the stop 2e and, as soon as the rotary closure 3 has been moved far enough down, abuts the stop 2e, so that the protective cover 4 is held in position by the hook part 4b and the stop 2e. This means that after opening and closing the container closure 1, the protective cover 4 is held in the position shown in FIGS. 5 and 6 and the rotary closure 3 or the mouthpiece 3h is covered by the protective cover 4 and thus protected. This arrangement also has the advantage that the protective cover 4 is only closed and locked with the hook part 4b, if the inlet opening 2p is completely closed by the pin 3a. If the protective cover 4 also engaged, if the inlet opening 2p would not be completely closed, there would be the danger that in the space below the protective cover 4, a pressure build-up could take place, and thereby the protective cover 4 could suddenly and uncontrollably snap up. The hook part 4b and the stopper 2e are thus arranged such that a latching is possible only when the rotary closure 3 is completely closed. A consumer starts with closed protective cover 4 that the container closure 1 is also closed. By the measure described above it is ensured that the protective cover 4 is only fixed or latched when the container closure 1 is in the closed position SS, in which the pin 3a rests against the sealing lips 2i. It is up to the consumer whether he the container closure 1 by turning the screw cap 3 Schraubkappe2 or am

Protective cover 4 opens or closes. The protective cover 4 snaps with the hook part 4b in any case only then on the stop 2e, when the container closure 1 is in its closed position SS.

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The container closure 1 according to the invention is extremely hygienic, since the mouthpiece 3h can be constantly covered except during drinking and thus secured against contamination. The inventive container closure 1 thus has excellent hygienic properties and is particularly suitable for use in a dirt-prone environment.

FIG. 9 shows the container closure 1 according to the invention in the open position and in a perspective view. The rotary closure 3 is rotatably connected to the screw cap 2 and comprises a mouthpiece 3h and driving cams 3k. The protective cover 4 is pivotally connected to the rotary closure 3 via the hinge 4d. The driving cams 4a of the protective cover 4 are arranged so that they can engage in the driving cam 3k. The driving cams 4a and the driving cams 3k can be designed to be mutually adapted so that they form a latching device to hold the protective cover 4 in a closed position. The mouthpiece 3h is shown in the embodiment shown in Figure 9 elliptical or oval, which allows a very pleasant drinking.

FIG. 10 shows a longitudinal section of the container closure 1 illustrated in FIG.

FIG. 11 shows a plan view of the container closure 1 shown in FIGS. 9 and 10. The protective cover 4 comprises a circular sealing lip 4e which can rest on the mouthpiece 4h. In the surface of the pin 3a are arranged radially outwardly extending Rückflussnuten 3m, which form towards the outside of an increasingly deeper groove, thereby causing upright closure 1 a fall towards the outside. If the drinking is stopped and the bottle is subsequently held approximately vertically, the liquid located inside the rotary closure 3 flows back into the bottle arranged below it via the inlet opening 2p. The Rückflussnuten 3m ensure that the liquid located on the surface of the pin 3a flows back into the inlet opening 2p. FIG. 12 shows another longitudinal section

Embodiment of a container closure 1 with screw cap 2 and rotary closure 3. In contrast to the embodiment shown in Figure 2, the container closure 1 according to Figure 12 no protective cover 4 on. The mouthpiece 3h

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For example, it could be covered with a peelable film to protect the mouthpiece 3h from contamination. The embodiment shown in Figure 12 differs from the container closure 1 shown in Figure 2 also in that the outlet tube 2a has an internal thread 2b and the tubular inner portion 3g has an external thread 3i, said threads 2b, 3i define the axis of rotation D and the lifting movement cause in the running direction of the rotation axis D. FIG. 13 shows a further exemplary embodiment of a

Container closure 1, wherein the rotary closure 3, in contrast to the embodiment shown in Figure 2 has no webs 3d and the pin 3a is connected directly to the lugs 3f, and between the lugs 3f circumferentially arranged distributed openings 3q result, through which the Fluid can escape. An elastic section 3t could also be arranged between pins 3a and lugs 3f in order to allow a relative movement of the pin 3a with respect to the lugs 3f. Also, the lugs 3f could be designed to be elastic, to allow a relative movement of the pin 3a with respect to the outlet opening 3p.

The pitch of the threads 2b, 3i determined in the direction of rotation of the axis D caused stroke per revolution of the rotary closure 3. Depending on the requirement of the container closure 1, for example, the maximum applied pressure, a thread 2b, 3i can be selected with a correspondingly adapted slope. If the pressure in the container is very high, a thread 2b, 3i with a low pitch is advantageously selected so that the container closure 1 is opened, for example, only after 3 to 5 revolutions.

On the other hand, for example, such a thread 2b, 3i can be chosen that the container closure is already fully opened with a rotation of 180 degrees. The thread 2b, 3i can also be configured as a multi-start thread, for example as a four-start thread.

In the embodiment of a container closure 1 shown in FIG. 14, unlike the embodiment according to FIG. 1, the opening plate 4i intended for opening is arranged separately from the holding part 4c, which serves to hold the guarantee strip 2f. It could be arranged in the circumferential direction of the protective cover 4 and a plurality of holding parts 4c, each with a guarantee strip 2f.

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FIG. 15 shows a screw cap 2, as used in the container closure 1 according to FIG. On the left is the guarantee strip 2f with break point 2h and hook 2g visible. To the right of this, the stop 2e is arranged, which serves to engage the hook part 4b.

FIG. 16 shows the container closure 1 shown in FIG. 14 in the open position, partly in section. The essential differences from the container closure 1 described in FIG. 2 are that there is no cover wall 2d, but only the relatively narrow part with stop 2e, as shown in FIG. 15, which serves to engage the hook part 4b. The other essential difference is that the guarantee strip 2f is held laterally, and that thereby there is no guarantee strip 2f at the hook part 4b. The hook part 4b is held by the stopper 2e when the protective cover 4 is closed. In contrast to the exemplary embodiment according to FIG. 2, in FIG. 16 the webs 3d and passage openings 3e are made wider in the circumferential direction, and fewer webs 3d are used. In addition, no seal 2c is used, but the rotary closure 3 has an over the entire circumference extending, protruding seal 3r, which rests on the outlet tube 2a.

FIG. 17 shows the container closure 1 shown in FIG. 16 from a different angle. Of particular importance is the

Ventilation hole 3q to, which opens in the mouthpiece 3h to the surface. The ventilation hole 3q establishes a fluid-conducting connection to the outside space, wherein the space outside the container and the space outside the outlet tube 2a are meant by outside space. FIG. 16 shows an exemplary embodiment of the ventilation hole 3q. This vent hole 3q opens into the space between the hollow cylindrical outer portion 3n and the hollow cylindrical inner portion 3g. This space is connected via the thread 2b, 3i fluid conductively connected to the outside space. During drinking, the mouthpiece 3h is preferably completely enclosed with the mouth of the drinking person or with the lip thereof, wherein the ventilation hole 3q is arranged such that it opens into the mouth. During this process, air is supplied from the outer space to the open mouth, the air then flowing via the container closure 1, that is to say the outlet opening 3p and subsequently the inlet opening 2p, into the interior of the container connected to the screw cap 2. In an advantageous embodiment, this ensures that the container

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enough air is supplied during drinking, so that, for example, a continuous drinking, or a continuous liquid removal from the container is possible. FIG. 18 shows an embodiment of a rotary closure 3, the internal thread 3i of which is arranged grouped as shown. In the illustrated embodiment, the internal thread 3i is divided in the circumferential direction into separate groups. This gives a weight advantage. The internal thread 3i is interrupted or released, thereby limiting the rotational movement and the stroke. This can be understood from the view of a screw cap 2 shown in FIG. This screw cap 2 has an outlet tube 2a with an external thread 2b, wherein a protruding Wegbegrenzungsnocke 2u is arranged on the external thread 2b. The internal thread 3i strikes after a certain rotational movement about the axis D to this Wegbegrenzungsnocke 2u so that they limit the rotational movement of the rotary closure 3 and thus also the maximum possible stroke of the rotary closure, so that the internal thread 3i and the Wegbegrenzungsnocke 2u cooperate such that this one Train stroke limiting means.

The mouthpiece 3h is preferably designed to be elliptical or oval, whereas the outer part 3n preferably has a hollow cylindrical shape, as shown in FIG. Therefore, the rotary closure 3 has cavities 3s, which extend in the direction of the axis of rotation D, so that the rotary closure 3 has an elliptical outer contour. The cavities 3s could also be filled with material. The vent hole 3q could be fluidly connected to the cavity 3s so that the air supply for the vent hole 3q is made through the cavity 3s.

The embodiments illustrated in the figures are exemplary embodiments. The container closure 1 having the inventive features can be configured in a variety of other embodiments, for example by the inner diameter of the outlet tube 2a is greater than the total height of the outlet tube 2a, or by the webs 3d are designed to be very short, so that the container closure 1 has a low overall height having. The embodiments shown in the figures can also be interchanged, for example, by exchanging the rotary closure 3 of the container closures 1 shown in FIGS. 12 and 13

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can be. For example, the number of webs arranged in the circumferential direction 3d could also be varied so that the container closure 1 has, for example, two, three, four or six webs 3d. For example, in the exemplary embodiment according to FIG. 15, the stroke limitation could also be effected by a peripheral stop 2e.

In the case of foaming fluids such as Coca Cola, it is advantageous that the pressure during opening of the rotary closure 1 can be quickly drained. This can for example be achieved by the container closure

1 is configured such that with a small rotational movement of, for example, 90 degrees already the maximum stroke is achieved, which allows a very fast opening of the container closure.

FIG. 20 shows a perspective view of a further, opened container closure 1, in which, in contrast to that in FIG

2 embodiment, the flange 2 comprises a rotating plate 2t with energy directors 2s, which serves to aufzuschweiissen the flange 2 from the inside to a packaging material. The packaging material may for example consist of cardboard, cardboard composite or plastic and form a container. The flange 2 could also have such a configured, revolving plate 2t, that this can be glued from the outside onto a container. This plate 2t may be formed, for example, as a welding flange or adhesive flange.

G1202WO 28.10.05

Claims

Container closure (1) comprising a flange (2) with an inlet opening (2p) and an outlet pipe (2a) having a thread (2b) arranged downstream of the inlet opening (2p) in the outflow direction and comprising a rotary closure (3) with an outlet opening (2). 3p) and with a thread (3i), wherein the two threads (2b, 3i) interlock and are aligned such that the screw cap (3) is rotatable relative to the flange (2) about an axis of rotation (D) and in the direction of the axis of rotation (D) is slidably mounted, wherein the flange

(2) comprises a sealing lip (2i) which protrudes towards the axis of rotation (D) and which forms the inlet opening (2p) running concentrically to the axis of rotation (D), and wherein the rotary closure (3) has a pin (3a) arranged concentrically with the axis of rotation (D) ), which is the entrance opening

(2p) is arranged downstream in the outflow direction, and wherein the pin (3a) and the sealing lip (2i) are adapted to one another in such a way that the pin (3a) displaceable in the direction of the axis of rotation (D) can assume at least two positions, a closed position (FIG. SS) in which the

Pin (3a) on the sealing lip (2i) rests, so that the inlet opening (2p) is closed, and an open position (OS) in which the pin (3a) with respect to the sealing lip (2i) is spaced, so that the inlet opening (2p) is opened is.

2. Container closure according to claim 1, characterized in that the pin (3a) has a sealing surface (3c) which is intended to abut against the sealing lip (2i), and that the sealing surface (3c) with respect to the running direction of the axis of rotation (D) an inclination angle α in the range between 1 ° and 45 °.

3. Container closure according to one of the preceding claims, characterized in that the rotary closure (3) comprises a tubular inner portion (3g) which is slidably disposed within the outlet tube (2a) in the direction of the axis of rotation (D), and that the tubular

Inner portion (3g) forms the outlet opening (3p).

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4. Container closure according to claim 4, characterized in that between the outlet pipe (2a) and the tubular inner portion (3g) a circumferentially extending seal (2c) is arranged.

5. Container closure according to one of the preceding

Claims, characterized in that the rotary closure (3) between the pin (3a) and the thread (3i) has an elastic portion (3d), so that the pin (3a) in the direction of the axis of rotation (D) relative to the thread (3i) is slidably mounted or spring.

6. Container closure according to claim 5, characterized in that the elastic portion (3d) consists of a plurality of circumferentially to the rotation axis (D) spaced webs (3d), which connect the tubular inner portion (3g) with the pin (3a) , wherein between adjacent webs (3d) results in a passage opening (3e).

7. Container closure according to one of claims 3 or 6, characterized in that the tubular inner portion (3g) in the direction of the axis of rotation (D) projecting lugs (3f).

8. A container closure according to claim 7, characterized in that the projecting lugs (3f), the elastic portion (3d) and the pin (3a) are dimensioned such that, seen from the outlet opening (3p) in the direction of the axis of rotation (D) , the said elements, in particular substantially, cover the entire surface of the outlet opening (3p).

9. Container closure according to one of the preceding claims, characterized in that the rotary closure (3) in the region of the outlet opening (3p) has an at least partially anatomically shaped mouthpiece (3h).

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10. Container closure according to one of the preceding

Claims, characterized in that the thread (2b, 3i) is designed as a multi-start thread, in particular as two, four or six-start thread.

11. Container closure according to one of the preceding

Claims, characterized in that the flange (2) and the rotary closure (3) have a stroke limiting means (2e, 31; 2u, 3i) which limit the maximum displacement of the rotary closure (3) with respect to the flange (2).

12. Container closure according to one of the preceding

Claims, comprising a protective cover (4) which covers the rotary closure (3), in particular the mouthpiece (3h).

13. Container closure according to claim 12, characterized in that the protective cover (4) fixed and pivotable, in particular via a hinge (4d), with the

Screw cap (3) is connected.

14. Container closure according to claim 12 or 13, characterized in that the protective cover (4) is designed such that it covers the entire rotary closure (3).

15. Container closure according to one of claims 12 to 14, characterized in that the rotary closure (3) on its outer surface projecting driving cam (3k), that the protective cover (4) on its inner surface provident driving cam (4a), and that these driving cams (3k, 4a) are arranged mutually in such a way that they engage with the protective cover (4) closed in order to transmit a torque acting on the protective cover (4) to the closure (3).

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16. Container closure according to one of claims 12 to 15, characterized in that the flange (2) comprises a guarantee closure (2f) with predetermined breaking point (2h) which is designed such that the guarantee closure (2f) the protective cover (4) fixed in closed position, as long as the predetermined breaking point (2h) is not broken.

17. Container closure according to one of claims 12 to 16, characterized in that the protective cover (4) has a

Locking device (4b) which can snap on the flange (2) or on the rotary closure (3) to the

Protective cover (4) to keep in a closed position.

18. A container closure according to claim 17, characterized in that the flange (2) comprises a stop (2e), in which the latching device (4b) of the protective cover (4) can engage, wherein the stop (2e) and the latching device (4b) in the direction of rotation of the axis of rotation (D) are designed dimensioned such that the flange (2) and the protective cover (4) only in the closed position (GS) can engage each other.

19. Container closure according to claim 9, characterized in that the mouthpiece (3h) has an with respect to the axis of rotation (D) oval shape.

20. Container closure according to one of the preceding

Claims, characterized in that the outlet pipe (2a) has an external thread (2b) that the mouthpiece (3h) in

Direction of the rotation axis (D) has a U-shaped cross-section, with a tubular outer part (3n) having an internal thread (3i) and with the tubular inner portion (3g), so that the outlet tube (2a) between the tubular outer part (3n) and the tubular

Inner portion (3g) is arranged.

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21. Container closure according to one of the preceding

Claims, characterized in that the sealing lip (2i) with respect to the axis of rotation (D) extends at an obtuse angle in the direction of the outlet opening (3p) facing away.

22. Container closure according to one of the preceding

Claims, characterized in that the pin (3a) has an internal cavity (3b).

23. Container closure according to one of the preceding

Claims, characterized in that the sealing lip (2i) and / or the pin (3a) are designed to be elastic in order to effect a higher mutual contact force at a higher pressure applied in the interior of the container.

24. Container closure according to claim 6, characterized in that the webs (3d) are designed to be elastic.

25. Container closure according to one of the preceding

Claims, characterized in that the guarantee strip (2f) is also connected in the open state with the protective cover (4), so that when opening the container closure no disposable part is formed.

26. Container closure according to one of the preceding

Claims, characterized in that a ventilation hole (3q) opens to the mouthpiece (3h), wherein the ventilation hole fluid is conductively connected to an outer space.

27. Use of a container closure according to one of the preceding claims for containers with carbonated liquid or for gases prone liquids.

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