DE102022110068B3 - Aseptic closure device - Google Patents

Abstract

The present invention relates to an aseptic closure device.

Description

The present invention relates to a closure device, the closure device comprising a base element, the base element having a pouring channel which extends along a closure axis and having an inlet opening and a pouring opening, the base element having a pouring edge section which surrounds the pouring opening, the closure device having a comprises a closure cap, wherein the closure cap has a cap lid and a cap skirt adjoining the cap lid on the peripheral side, arranged cylindrically around a closure cap axis and thus extending parallel to the closure cap axis, the closure cap and the base element being designed in such a way that the closure cap has the pouring opening in a closed position closes the closure cap and releases it in an open position of the closure cap, the closure device comprising an anchor ring and a connecting element, wherein the connecting element connects the anchor ring to the closure cap with high tensile strength, wherein the anchor ring engages with the base element both when the closure cap is in the closed position and when the closure cap is in the open position in such a way that the closure cap is connected to the connecting element even when the closure cap is in the open position and the anchor ring is connected to the base element, the closure cap, the connecting element and the anchor ring being designed in such a way that the closure cap is articulated on the anchor ring so that it can pivot about a pivot axis which is essentially perpendicular to the closure axis, the closure cap, the connection element and the base element are designed and arranged in such a way that at least one closing pivotal movement of the closure cap about the pivot axis is necessary in order to bring the closure cap from the open position to the closed position, the closure device comprises a cutting device arranged at least in sections within the pouring channel and having a cutting element, the closure cap comprising at least one first driver web, the first driver web and the cutting device being designed and arranged in such a way that turning the closure cap for the first time in an opening rotation direction causes a movement of the cutting element from one Starting position of the cutting element, starting in a direction pointing from the pouring opening to the inlet opening, so that the cutting element can be moved at least in sections through the inlet opening and out of the pouring channel, the closure axis being the axis of rotation of the direction of rotation of the opening, the first driver web having an inner surface directed towards the closure cap axis and an outer surface facing away from the cap axis, wherein the first tang is internally connected to the cap lid and extends away from the cap lid l extends starting axially.

The present invention also relates to cardboard packaging with a closure device of the type mentioned above.

The present invention also relates to a closure element, wherein the closure element comprises a closure cap, the closure cap having a cap lid and a cap skirt adjoining the cap lid on the circumference, arranged cylindrically about a closure cap axis and thus extending parallel to the closure cap axis, the closure cap having at least one first entrainment web for driving a cutting device in rotation, the closure element comprising a connecting element and an anchor ring, the connecting element connecting the closure cap to the anchor ring in a tension-resistant manner, the anchor ring being designed in such a way that it can be brought into engagement with a base element of a container, the Closure cap, the connecting element and the anchor ring are designed in such a way that the closure cap is articulated on the anchor ring so that it can pivot about a pivot axis, the pivot axis being senkrec ht is aligned with the cap axis when the cap is in a closed position.

Closures of the type mentioned at the outset are also referred to as attached aseptic closures. Because of the anchor ring and the cap tightly connected to the anchor ring, the cap is captively connected to a container in everyday use. As a result, the closure cap of the aseptic closure device cannot be separated from the container, or at least only with great difficulty, and can unintentionally get into the environment.

From the DE 20 2021 103 289 U1 a closure for a container, in particular a bottle or a cardboard/plastic composite pack, is known.

However, it has been shown that consumers often have difficulties closing the cap again, particularly with closure caps that are pivotably linked to the anchor ring via a hinge element, since the closure cap cannot be pivoted easily in every position. This is often the case, in particular, with aseptic closure devices in which a driver web is arranged on the closure lid, which is designed to actuate a cutting device. The positioning of the entrainment bar or several entrainment bars has a strong influence on the moment of inertia of the closure cap with respect to the pivot axis and thus on the closure kinematics.

Against this background, the object of the present invention is to provide a closure device or a closure element that enables easier reclosing of the attached closure caps, in particular that provides a suitable moment of inertia of the closure cap with respect to the pivot axis.

This object is achieved by a closure device, the closure device comprising a base element, the base element having a pouring channel which extends along a closure axis and having an inlet opening and a pouring opening, the base element having a pouring edge section which surrounds the pouring opening, the closure device comprises a closure cap, wherein the closure cap has a cap lid and a cap skirt adjoining the cap lid on the peripheral side, arranged cylindrically around a closure cap axis and thus extending parallel to the closure cap axis, the closure cap and the base element being designed in such a way that the closure cap closes the pouring opening Position of the closure cap closes and releases the closure device in an open position of the closure cap, the closure device an anchor ring and a verb The connection element comprises a connection element, wherein the connecting element connects the anchor ring to the closure cap with high tensile strength, the anchor ring being in engagement with the base element both in the closed position of the closure cap and in the open position of the closure cap in such a way that the closure cap is also in the open position of the closure cap is connected to the base element with the connecting element and the anchor ring, with the closure cap, the connecting element and the anchor ring being designed in such a way that the closure cap is articulated on the anchor ring so that it can pivot about a pivot axis lying essentially perpendicular to the closure axis, with the closure cap, the connecting element and the base element are designed and arranged in such a way that at least one closing pivotal movement of the closure cap about the pivot axis is necessary in order to bring the closure cap from the open position into the closed position, wherein di e closure device comprises a cutting device arranged at least in sections within the pouring channel and having a cutting element, the closure cap comprising at least one first driver web, the first driver web and the cutting device being designed and arranged in such a way that turning the closure cap for the first time in an opening rotation direction causes a movement of the cutting element starting from a starting position of the cutting element in a direction pointing from the pouring opening to the inlet opening, so that the cutting element can be moved at least in sections through the inlet opening and out of the pouring channel, with the closure axis being the axis of rotation of the direction of rotation of the opening, with the first driver web pointing towards the closure cap axis directed inner surface and an outer surface directed away from the closure cap axis, wherein the first driver bar is connected to the cap lid on the inside u nd extending axially from the cap lid.

According to the closure device according to the invention, the closure device is designed in such a way that the first driver web is arranged on the half of the cap lid closest to the pivot axis. This allows the closure cap to have the lowest possible moment of inertia in relation to the pivot axis, which in turn has an advantageous effect on the closure kinematics.

In one embodiment of the closure device according to the invention, the outer surface of the first driver web has a first section and a second section following the first section in the circumferential direction, the first section being at a distance R1 from the axis of the closure cap, and the second section being at a distance R2 from the axis of the closure cap , where the distance R2 is not equal to the distance R1. This makes it possible to advantageously use the first driver web as a support for easier reclosing of the closure cap.

In one embodiment of the closure device according to the invention, the distance R2 is greater than the distance R1.

In one embodiment of the closure device according to the invention, the distance R2 is at least 0.2 mm and at most 3 mm greater than the distance R1. It has been shown that this variation of the outer surface in relation to the distance from the axis of the closure cap results in sufficiently good kinematics of the closure cap during a closing pivoting movement, which is accompanied in particular by easier positioning of the closure cap above the pouring opening during the closing pivoting movement.

In an alternative embodiment, distance R1 is greater than distance R2.

In one embodiment of the closure device according to the invention, the first entraining web is designed such that the distance between the outer surface of the first entraining web and the closure cap axis is constant within a partial area of the first entraining web that extends in the circumferential direction. On the one hand, this serves to stabilize the first driver bar. On the other hand, this design enables a ramp extending in the circumferential direction with a variation in the axial extension. This ramp can be used to facilitate reclosure.

In one embodiment of the closure device according to the invention, the first section of the outer surface of the first entraining web comprises a first partial area extending in the circumferential direction over a first radian measure B1 and the second section of the outer surface of the first entraining web comprises a second partial area extending in the circumferential direction over a second radian measure B2, wherein the outer surface of the first driver web has a constant distance R1 ₀ to the axis of the closure cap within the first partial area and a constant distance R2 ₀ to the axis of the closure cap within the second partial area, the distance R1 ₀ being unequal to the distance R2 ₀ . In other words, the outer surface of the first driver web extends at least over two imaginary cylinder jacket surfaces that are radially spaced apart from one another. In one embodiment, the outer surface of the first driver web has a contact area on both of these imaginary cylinder jacket surfaces, which comes into contact with the spout edge section during a closing pivoting movement.

In one embodiment of the closure device according to the invention, the second radian B2 is smaller than the first radian B1. It has been shown that such a division improves the stability of the first driver bar.

In one embodiment of the closure device according to the invention, the first radian measure B1 has a value between 20 and 45 degrees.

In one embodiment of the closure device according to the invention, the first radian measure B1 has a value between 25 and 35 degrees.

In one embodiment of the closure device according to the invention, the second radian measure B2 has a value between 5 and 30 degrees.

In one embodiment of the closure device according to the invention, the second radian measure B2 has a value between 10 and 20 degrees.

In one embodiment of the closure device according to the invention, the first entraining web is designed such that the distance between the outer surface of the first entraining web and the closure cap axis increases monotonically from the first section, viewed in the circumferential direction, towards the second section. This also requires a particularly constant sliding of the first driver web along the spout rim section during a pivoting closure movement.

In one embodiment of the closure device according to the invention, the connecting element has a connecting web extending between a first end section and a second end section, the first end section of the connecting web being connected to the anchor ring, the second end section of the connecting web being connected to the anchor ring, the closure device is designed in such a way that the connecting web can be moved axially relative to the anchor ring, at least when the closure cap is in the open position, the connecting element comprising a hinge element in addition to the connecting web, the hinge element connecting the connecting web to the cap skirt and between the connecting web and the Cap jacket is arranged, wherein the hinge element defines the pivot axis, wherein the hinge element is designed such that the closure cap relative to the connecting web around the pivot axis pivotable r is mounted, the hinge element preferably being designed and arranged in such a way that the pivot axis is arranged at an axial distance from the connecting web.

In one embodiment of the closure device according to the invention, the hinge element is designed and arranged in such a way that the pivot axis is arranged at an axial distance from the connecting web.

In one embodiment of the closure device according to the invention, the connecting web and the hinge element are designed in such a way that the connecting web has essentially no torsion when the closure cap is in the open position.

In one embodiment of the closure device according to the invention, the hinge element is a film hinge.

In one embodiment of the closure device according to the invention, the connecting element has a support element, the support element being designed and arranged in such a way that it engages with an outer surface of the base element and locks the connecting web when the closure cap performs an opening pivoting movement about the pivot axis in order to to bring the closure cap into the open position, wherein the support element is preferably arranged on the connecting web.

In one embodiment of the closure device according to the invention, the closure cap has a first guide, the base element has a second guide, the first guide and the second guide can be disengaged in order to open the closure, the first guide and the second guide in can be brought into engagement with one another in order to close the closure device in a liquid-tight manner, the first and the second guide means being designed in such a way that disengaging the first and second guide means requires an opening rotary movement of the closure cap in the circumferential direction relative to the base element .

In one embodiment of the closure device according to the invention, the first guide means is an internal thread or an internal thread segment and the second guide means is an external thread.

In one embodiment of the closure device according to the invention, the connecting element has a guide element, wherein the guide element can be brought into engagement with the second guide means in such a way that the opening rotary movement of the closure cap causes a movement of the connecting web relative to the anchor ring with an axial movement component in the direction of the pouring opening.

In one embodiment of the closure device according to the invention, the guide element is the support element.

In one embodiment of the closure device according to the invention, the first guide means has an internal thread, the second guide means has an external thread, and the guide element has an internal thread segment.

In one embodiment of the closure device according to the invention, the guide element is arranged on an inner surface of the connecting web directed towards the closure axis when the closure cap is in the closed position.

In one embodiment of the closure device according to the invention, the guide element and the hinge element are designed and arranged in such a way that the guide element is at a smaller distance from the inlet opening than the pivot axis.

In one embodiment of the closure device according to the invention, the guide element comprises two internal thread segments arranged axially offset from one another, the two internal thread segments arranged axially offset from one another being preferably arranged axially one above the other at least in sections.

In one embodiment of the closure device according to the invention, a first of the two internal thread segments arranged axially offset from one another has a first profile depth x and a second of the two internal thread segments arranged axially offset from one another has a second profile depth y, with the first profile depth x being equal to the second profile depth y or greater than the second tread depth is y.

In one embodiment of the closure device according to the invention, the external thread of the base element has a thread pitch a, with the internal thread segment of the guide element having a thread pitch b, with the thread pitch a and the thread pitch b having essentially the same amount.

In one embodiment of the closure device according to the invention, the outer surface of the first driver web extends axially essentially parallel to the axis of the closure cap. The outer surface and the inner surface can be connected to one another by an edge surface which at least also extends radially. The edge surface is not to be regarded as part of the outer surface.

In one embodiment of the closure device according to the invention, the first driver web extends in the circumferential direction over a circumferential angle of less than 360 degrees.

In one embodiment of the closure device according to the invention, the first driver web extends in the circumferential direction over a circumferential angle of less than 180 degrees.

In one embodiment of the closure device according to the invention, the first driver web extends in the circumferential direction over a circumferential angle of more than 15 degrees.

In one embodiment of the closure device according to the invention, the first driver web extends in the circumferential direction over a circumferential angle of more than 30 degrees.

In one embodiment of the closure device according to the invention, the first entrainment bar has a stop edge, the cutting device having a stop element, the first entrainment bar and the cutting device being designed and arranged in such a way that when the closure cap is rotated for the first time in the opening direction of rotation, the stop edge of the first entrainment bar in Engages with the stop element of the cutting device, so that the opening rotary movement of the closure cap drives a rotary movement of the cutting element, the first section of the first driver bar being arranged closer to the front edge than the second section, viewed in the circumferential direction.

In one embodiment of the closure device according to the invention, the closure cap comprises an additional second entraining web, the first entraining web being arranged closer to the connecting element than the second entraining web.

In one embodiment of the closure device according to the invention, the outer surface of the first entraining web is temporarily in contact with the spout edge section of the base element when the closure pivoting movement of the closure cap is carried out.

A temporary contact between the first driver web and the spout edge section when the capping pivoting movement is carried out is to be understood as meaning a contact which is only limited in time in relation to a complete time sequence of the capping pivoting movement.

In one embodiment of the closure device according to the invention, the closure device is designed in such a way that the first driver bar first comes into contact with the spout rim section during the closing pivoting movement and then the first driver bar and the spout rim section lose the previously existing contact with one another.

For the purposes of the present invention, the term “axial” designates a reference to the alignment of the closure axis or the closure cap axis in the closed position of the closure cap. In the closed position of the cap, the axis of the bolt and the axis of the cap have the same orientation. In this respect, the term “axial” basically refers to the closed position of the closure cap.

In one embodiment of the closure device according to the invention, the second section of the outer surface of the first driver web is in contact with the spout edge section during a closing pivoting movement.

In one embodiment of the closure device according to the invention, the first section of the outer surface of the first driver web is in contact with the spout edge section during a closing pivoting movement.

In one embodiment of the closure device according to the invention, the first section and the second section are each in contact with the spout rim section during a closing pivoting movement, preferably offset in time to one another.

In one embodiment of the closure device according to the invention, the closure cap has, in addition to the first driver web and at a radial distance from the first driver web, a sealing lip which is configured cylindrically around the axis of the closure cap, the sealing lip being configured in such a way that it is in contact with an inner surface of the pouring channel when the closure cap is in the closed position and thereby closes the pouring channel in a liquid-tight manner. The sealing lip is preferably at a distance from the axis of the closure cap that is greater than the distance between the first driver web and the axis of the closure cap. The sealing lip ensures that the closure cap can close the pouring opening in a liquid-tight manner. At the same time, the combination of sealing lip and additional carrier bar ensures that the sealing lip is positioned in the best possible way during the capping pivoting movement, so that the risk of damage to the sealing lip during a capping pivoting movement is minimized.

In one embodiment of the closure device according to the invention, the outer surface has a ramp section, the first driver web, the spout edge section and the connecting element being designed in such a way that during the pivoting movement of the closure the spout edge section is temporarily in continuous sliding friction contact with the ramp section of the first driver web , wherein the ramp section is designed such that the surface normal of the Ramp section deviates from a vector extending purely radially to the axis of the closure cap. In other words, the surface normal of the ramp section does not extend radially to the cylinder axis of the closure cap, ie to the closure cap axis. The ramp section enables a targeted and directed guidance of the closure cap during the closing pivoting movement, e.g. B. a leadership of the cap, which is accompanied by a raising of the pivot axis.

In one embodiment of the closure device according to the invention, the first entrainment bar is designed in such a way that the first entrainment bar is not in contact with the spout rim section when the closure cap is in the closed position.

In one embodiment of the closure device according to the invention, the closure device is designed in such a way that during a pivoting closure movement, a first contact area of the first driver web is in contact with the spout edge section before a second contact area of the first driver web, the first contact area being at an axial distance from the second Contact area is arranged. This means that the spout edge section not only comes into contact with a single contact area of the first driver bar, but that the first driver bar moves during the closing pivoting movement in such a way that at least two contact areas of the first driver bar come into contact with the spout edge section . This is the case in particular when the first entrainment web temporarily slides along over the spout edge section in the form of a sliding friction movement during the closing pivoting movement. This enables the closure cap to be guided particularly steadily and uniformly during the closing pivoting movement.

In one embodiment of the closure device according to the invention, the second contact area is arranged closer to the cap lid than the first contact area.

In one embodiment of the closure device according to the invention, the second contact area is arranged closer to the cap jacket than the first contact area. As a result, the pivot axis can be raised particularly easily when the closing pivot movement is carried out.

In one embodiment of the closure device according to the invention, the closure device is designed in such a way that during a pivoting closure movement, a first contact area of the first driver web is in contact with the spout edge section before a second contact area of the first driver web, with the first contact area being spaced apart in the circumferential direction from the second contact area is arranged. This enables the ramp effect to be divided into the axial direction and the circumferential direction. The spout edge section can slide, for example, along a web which extends in the circumferential direction and which has a variation in its axial extent in the circumferential direction and thus a ramp. This enables the formation of a ramp section that can be demolded particularly easily during the manufacturing process of the closure cap by means of injection molding.

In one embodiment of the closure device according to the invention, the first driver web extends from the cap cover in the shape of a shark's tooth. Such a shaped first flight may have contact areas for contacting the spout rim portion that are both axially and circumferentially spaced from each other. The shark tooth-like shape minimizes the amount of material required for the first entrainment web, so that cost-effective production is made possible.

In one embodiment of the closure device according to the invention, the closure device is designed in such a way that the first driver web supports the closure cap on the spout edge section when the pivoting movement for closing is carried out in such a way that the pivot axis moves axially at least temporarily and at least in sections when the pivoting movement for closing the closure cap is carried out moved in the direction of the pouring opening. This raising of the pivot axis is accompanied by easier positioning of the closure cap over the pouring opening during the closure pivoting movement and thus contributes significantly to improved consumer operability of the closure device.

In one embodiment of the closure device according to the invention, the closure device is designed in such a way that the outer surface of the first driver bar supports the closure cap on the spout edge section when the pivoting movement for closing is carried out in such a way that it is easier for a user of the closure device to carry out the pivoting movement for closing.

The present invention also relates to a cardboard packaging with an inventive Closure device according to one of the preceding embodiments.

The present invention also relates to a closure element, wherein the closure element comprises a closure cap, the closure cap having a cap lid and a cap skirt adjoining the cap lid on the peripheral side, arranged cylindrically about a closure cap axis and thus extending parallel to the closure cap axis, the closure cap having at least one first driver web for driving a cutting device in rotation, the closure element comprising a connecting element and an anchor ring, the connecting element connecting the closure cap to the anchor ring in a tension-resistant manner, the anchor ring being designed in such a way that it can be brought into engagement with a bottleneck or a base element of a container , wherein the closure cap, the connecting element and the anchor ring are designed in such a way that the closure cap is articulated on the anchor ring so that it can pivot about a pivot axis, d The pivot axis is aligned perpendicular to the axis of the closure cap when the closure cap is in a closed position, with the first driver web being arranged on the half of the cap lid closest to the pivot axis.

According to one embodiment, an outer surface of the first driver web pointing away from the closure cap axis has a first section and a second section following the first section in the circumferential direction of the closure cap, with the first section being at a distance R1` from the closure cap axis, with the second section having a Distance R2' to the cap axis, where R2' is not equal to R1'.

In one embodiment of the closure element according to the invention, the first driver web extends in the circumferential direction from a front end section to a rear end section, with the front end section having a smaller maximum distance from the closure cap axis than the rear end section, with the front end section moving in the direction of the rear end section looking the first section is arranged in front of the second section.

In one embodiment of the closure element according to the invention, the distance R1' is smaller than the distance R2'.

In one embodiment of the closure element according to the invention, the first section comprises a first partial area which extends in the circumferential direction over a first radian measure B1' and the second section has a second partial area which extends in the circumferential direction over a second radian measure B2', the outer surface of the first entrainment web being within the first Section has a constant distance R1 ₀ 'to the cap axis and within the second section a constant distance R2 ₀ 'to the cap axis.

In one embodiment of the closure element according to the invention, the second radian B2' is smaller than the first radian B1'.

In one embodiment of the closure element according to the invention, the first radian measure B1′ has a value between 20 and 45 degrees.

In one embodiment of the closure element according to the invention, the first radian measure B1′ has a value between 25 and 35 degrees.

In one embodiment of the closure element according to the invention, the second radian measure B2' has a value between 5 and 30 degrees.

In one embodiment of the closure element according to the invention, the second radian measure B2' has a value between 10 and 20 degrees.

• 1a: Eine erste Ausführungsform der erfindungsgemäßen aseptischen Verschlussvorrichtung in einer Schnittansicht, wobei die Schnittebene die Verschlussachse beinhaltet und wobei die Verschlusskappe in einer geöffneten Stellung angeordnet ist,
• 1b: die Ausführungsform gemäß 1a, wobei die Verschlusskappe in einer ersten Zwischenposition zwischen der geöffneten und der geschlossenen Stellung ist, 1c: die Ausführungsform gemäß den 1a und 1b, wobei die Verschlusskappe in einer zweiten Zwischenposition zwischen der Stellung der Verschlusskappe in der ersten Zwischenposition und der geschlossenen Stellung ist,
• 1d: die Ausführungsform gemäß der 1a bis 1c, wobei die Verschlusskappe in einer dritten Zwischenposition zwischen der Stellung der Verschlusskappe in der zweiten Zwischenposition und der geschlossenen Stellung ist,
• 2: eine Ausführungsform eines erfindungsgemäßen Verschlusselements in einer perspektivischen Ansicht,
• 3: die Ausführungsform des Verschlusselements gemäß 2 in einer Draufsicht von unten,
• 4: die Ausführungsform gemäß 1a in einer perspektivischen Ansicht.

Further advantages and embodiments of the present invention will become apparent from the following drawings and their description. Show it:

• 1a : A first embodiment of the aseptic closure device according to the invention in a sectional view, the sectional plane containing the closure axis and the closure cap being arranged in an open position,
• 1b : according to the embodiment 1a , wherein the closure cap is in a first intermediate position between the open and the closed position, 1c : the embodiment according to FIG 1a and 1b wherein the closure cap is in a second intermediate position between the position of the closure cap in the first intermediate position and the closed position,
• 1d : the embodiment according to FIG 1a until 1c wherein the closure cap is in a third intermediate position between the position of the closure cap in the second intermediate position and the closed position,
• 2 : an embodiment of a closure element according to the invention in a perspective view,
• 3 : the embodiment of the closure element according to FIG 2 in a plan view from below,
• 4 : according to the embodiment 1a in a perspective view.

The 1 a until 1d illustrate a closing pivoting movement of a closure cap 6 of a closure device 1 according to the invention 1 a Starting from the open position shown, the closure cap 6 is pivoted further and further in the direction of a closed position, with the 1b until 1d show in the order of their numbering intermediate positions of the closure cap 6, which this occupies during the closing pivoting movement. Figures 1a to 1d can thus be understood as drawings of a flip book, with which a closing pivoting movement can be illustrated at least partially on film. In the 1a shown open position of the closure cap 6 is only an example. The open position of the closure cap can in particular also be a position of the closure cap 6 in which the closure cap 6 is pivoted by more than 90 degrees, for example by approximately 120 degrees, relative to the anchor ring 9 .

The in the 1a until 1d The closure device 1 shown has a base element 2 which defines a pouring channel 3 with an inlet opening 4 and a pouring opening 5 . The base element 2 also has a retaining ring 22 (pilfer proof ring). An anchor ring 9 designed as a flex band is in engagement with the retaining ring 22 and thereby connects the closure cap 6 to the base element 2. A connection element 10 is formed on the anchor ring 9, which in turn is connected to the closure cap 6 via a hinge element 23. The hinge element 23 defines a pivot axis 52 via which the closure cap 6 is pivotably mounted relative to the base element 2 . In addition, an external thread 16 is provided on the base element 2 and an internal thread segment 15 on the closure cap 6 , which can be brought into or out of engagement with one another by rotating the closure cap 6 together with the connecting element 10 and anchor ring 9 about the closure axis 50 . Consequently, pivoting the closure cap 6 about the pivot axis 52 into the open position can only be performed by a consumer with ordinary everyday strength when the external thread 16 or internal thread segment 15 is disengaged.

For the purposes of the present invention, a closed position of the closure cap 6 is to be understood as that position of the closure cap 6 in which the pouring opening 5 is closed as liquid-tight as possible. Consequently, at the in the 1a until 1d In the embodiment shown, the closed position of the closure cap 6 is that in which the internal thread segment and the external thread 16 are in engagement with one another. None of the 1a until 1d shows this position of the sealing cap 6.

It is crucial for understanding the present invention that, starting from the 1a shown open position of the closure cap 6 at least one pivoting movement about the pivot axis 52 is necessary to bring the closure cap 6 in the closed position. especially the ones in the 1d The position of the closure cap 6 shown therefore does not show an open position of the closure cap 6 within the meaning of the present invention. Rather, in the 1b , 1c and 1d Intermediate positions of the closure cap 6 are shown, which are occupied by the closure cap 6 in a closing pivoting movement between the open position and the closed position.

At the in the 1a until 1d Closure device 1 shown is an aseptic closure device 1, which has a cutting device 17 in the form of a cutting ring. Such a closure device 1 can be used in particular as a cardboard packaging closure and can be arranged above a cardboard section that is cut up by the cutting ring 17 when the closure device 1 is opened for the first time. Before the closure device 1 is opened for the first time, the cutting ring 17 is located completely inside the pouring channel 3 defined by the base element 2. By rotating the closure cap 6 about the closure axis 50 for the first time, the two driver webs 11, 11′ formed on the inside of the cap cover 7 move in Engagement with stop surfaces on the cutting ring 17 and thus cause a rotary movement of the cutting ring 17, which in turn causes an axial delivery of the cutting ring 17 in the direction of the inlet opening and beyond through the inlet opening. As a result, a section of the cardboard packaging is cut, so that an opening is created in the cardboard packaging, through which the contents of the cardboard packaging can be poured out of the cardboard packaging. The cut section of the cardboard packaging is generally not completely severed from the remaining component of the cardboard packaging, but remains connected to the remaining components of the cardboard packaging via a connecting section.

Against this background, it is clear that the 1a until 1d illustrated capping pivoting motion after initial opening of the closure device 1 by a consumer. Because the cutting ring 17 is in the 1a until 1d already in a position in which he has already cut the cardboard packaging and has stepped out of the entry opening 4 at most.

So that the closure cap 6 also closes the pouring opening 5 in a liquid-tight manner when the closure cap 6 is in the closed position, the closure cap 6 has a sealing lip 18 on the cap cover 7. The sealing lip 18 extends in the circumferential direction over the full circumference of 360° and is designed to rest under tension against the inner surface of the spout 3 when the closure cap 6 is in the closed position.

The in the 1a until 1d Visible first driver bar 11 makes it easier for a consumer to close the closure cap 6 . The simplification consists in the fact that the capping pivoting movement can be carried out with little resistance and thus uniformly. In particular, the risk of the first driver web 11 tilting with the base element 2, in particular the spout edge section 14, is prevented. For this purpose, the first driver bar 11 has an outer surface 13 facing away from the closure cap axis 51, which can be divided into a first section 20 at a distance R1 from the closure cap axis 51 and a second section 21 at a distance R2 from the closure cap axis 51, with the Distance R1 is less than distance R2. The resulting geometry of the driver bar 11 is particularly in the 3 can be seen, which, among other things, the cap 6 from the 1a until 1d shows.

During the closing pivoting movement, the spout edge section 14 of the base element 2 now arrives at the in the 1b shown, first intermediate position in contact with the first section 20 of the outer surface 13 of the entrainment bar 11. From then on the spout edge section 14 slides - viewed relatively - along the outer surface 13 of the entrainment bar 11 over the ramp section 19 of the outer surface 13 of the entrainment bar 11 towards the second section 21 of the outer surface 13 of the driver web 11. 1c Fig. 12 shows the second intermediate position in which the spout rim portion 14 is in contact with the second portion 21 of the intermediate position. Accordingly, the spout rim portion 14 slides along the ramp portion 19 when the cap 6 of the in the 1b shown intermediate position in the 1c shown intermediate position is performed.

The sliding frictional contact between the spout edge section 14 and the driver bar 11 stabilizes the capping pivoting movement, since the sliding friction prevents or weakens possible movement components aligned transversely to the closure axis 50 or cap axis 51 . This means that even if a consumer wants to pivot the closure cap 6 from the open position towards the closed position without great concentration, the driver web 11 prevents or impedes a movement of the closure cap 6 in a direction perpendicular to the closure axis. On the other hand, the ramp section 19 of the outer surface 13 of the driver web 11 and the changed positioning of the contact point of the driver web 11 on the spout edge section 14 caused by the contact between the spout edge section 14 and the ramp section 19 cause the pivot axis 52 of the closure cap 6 to be raised when it is closed -pan movement. At the in the 1a until 1d The closure device 1 shown is accompanied by this lifting of the hinge element 23. As a result, the closure cap 6 can be more easily in a position as in FIG 1d position shown above the pouring opening 5. Then can then at the in the 1a until 1d In the embodiment shown, the closure device 1 is sealed in a liquid-tight manner by a rotational movement about the closure axis 50, ie the closure cap 6 can then finally be brought into the closed position.

The geometry of the closure device 1 from the 1a until 1d used coming driver bar 11 is based on the 2 and 3 very recognizable. The basic shape of the driver bar 11 is the shape of a shark tooth. In addition, the outer surface 13 of the driver web 11 can be divided into a first section 20 , a second section 21 and a ramp section 19 lying between the first section 20 and the second section 21 . The distance to the cap axis 52 is constant in the first section 20, but is smaller than in the second section 21, where it is also constant. The first section 20 and the second section 21 thus lie on different cylindrical surfaces with different radii. In the ramp section 19, the distance between the outer surface 13 and the axis 51 of the closure cap varies, so that a continuous transition between the first section 20 and the second section 21 is produced. At the same time, the axial extension of the driver web 11 decreases continuously from the first section 20 to the second section 21, as a result of which the shark-tooth shape is formed.

The in the 1a until 1d The embodiment shown of the closure device 1 according to the invention is also in again 4 shown in a perspective view. This view shows, among other things, that the connecting element 10 has a connecting web 24 of the connecting element 10 which, when the closure cap 6 is in the open position, can optionally be brought into a position at a distance axially from the anchor ring 9 or in a position resting against the anchor ring 9 .

Reference List

1

locking device

2

base element

3

spout

4

entrance opening

5

pouring opening

6

sealing cap

7

cap lid

8th

cap coat

9

anchor ring

10

fastener

11

first flight bar

11'

second flight bar

12

Inner surface

13

outer surface

14

Spout Rim Section

15

Internal thread / internal thread segment

16

external thread

17

Cutting device, cutting ring

18

sealing lip

19

ramp section

20

first section

21

second part

22

retaining ring

23

hinge element

24

connecting bar

50

locking axis

51

locking cap axis

52

pivot axis

100

closure element

B1

first radian (for locking device)

B1'

first radian (for closure element)

B2

second radian (for locking device)

B2'

second radian (for closure element)

R1

Distance of the first section of the outer surface of the first tang to the axis of the locking cap (for locking device)

R1'

Distance of the first section of the outer surface of the first tang to the axis of the cap (for closure element)

R10

Constant distance between the outer surface of the first carrier web and the cap axis in the first section (for the cap device)

R10'

Constant distance between the outer surface of the first carrier bar and the cap axis in the first section (for cap element)

R2

Distance of the second section of the outer surface of the first flight to the cap axis (for cap device)

R2'

Distance of the second section of the outer surface of the first flight to the cap axis (for closure element)

R20

constant distance of the outer surface of the first carrier bar to the axis of the cap in the second section (for the cap device)

R20'

Constant distance between the outer surface of the first carrier web and the cap axis in the second section (for cap element)

Claims (9)

Closure device (1), the closure device (1) comprising a base element (2), the base element (2) having a pouring channel (3) extending along a closure axis (50) and having an inlet opening (4) and a pouring opening (5). , wherein the base element (2) has a spout rim section (14) surrounding the pouring opening (5), the closure device (1) comprising a closure cap (6), the closure cap (6) having a cap cover (7) and a circumferentially to the cap end Cap jacket (8) adjoining the cap (7), arranged cylindrically around a cap axis (51) and thus extending parallel to the cap axis (51), wherein the cap (6) and the base element (2) are designed in such a way that the cap (6 ) closes the pouring opening (5) when the closure cap (6) is in a closed position and opens it when the closure cap (6) is in an open position, the closure device (1) comprising an anchor ring (9) and a connecting element (10), the connecting element (10) connects the anchor ring (9) to the closure cap (6) with high tensile strength, the anchor ring (9) engaging with the base element both when the closure cap (6) is in the closed position and when the closure cap (6) is in the open position (2) is that the closure cap (6) also in the open position of the closure cap (6) with the connecting element (10) and the anchor ring (9) on the base element (2). is bound, the closure cap (6), the connecting element (10) and the anchor ring (9) being designed in such a way that the closure cap (6) can be pivoted about a pivot axis (52) lying essentially perpendicular to the closure axis (50) on the anchor ring (9) is articulated, the closure cap (6), the connecting element (10) and the base element (2) being designed and arranged in such a way that at least one closing pivoting movement of the closure cap (6) about the pivot axis (52) is necessary, to bring the closure cap (6) from the open position to the closed position, the closure device (1) comprising a cutting device (17) arranged at least in sections within the pouring channel (3) and having a cutting element, the closure cap (6) having at least one first entrainment web (11), wherein the first entrainment web (11) and the cutting device (17) are designed and arranged such that a first rotation n the closure cap (6) causes a movement of the cutting element in an opening rotation direction, starting from a starting position of the cutting element in a direction pointing from the pouring opening (5) to the inlet opening (4), so that the cutting element, at least in sections, through the inlet opening (4) from the The pouring channel (3) can be moved out, the closure axis (50) being the axis of rotation of the opening direction of rotation, the first driver web (11) having an inner surface (12) directed towards the closure cap axis (51) and an outer surface directed away from the closure cap axis (51). (13), wherein the first driver bar (11) is connected to the cap cover (7) on the inside and extends axially from the cap cover (7), the first driver bar (11) being on the cap cover half (7 ) is arranged. Closure device (1) according to the preceding claim, the outer surface (13) of the first driver web (11) having a first section (20) and a second section (21) following the first section (20) in the circumferential direction, the first section (20) being at a distance R1 from the axis (51) of the closure cap, the second section (21) being at a distance R2 from the axis (51) of the closure cap, where R2 is not equal to R1, preferably the distance R2 is greater than the distance R1, the distance R2 being particularly preferably at least 0.2 mm and at most 3 mm greater than the distance R1. Closure device (1) according to one of the preceding claims, wherein the connecting element (10) has a connecting web extending between a first end section and a second end section, the first end section of the connecting web being connected to the anchor ring (9), the second end section of the connecting web being connected to the anchor ring (9), wherein the closure device (1) is designed in such a way that the connecting web can be moved axially with respect to the anchor ring (9), at least when the closure cap (6) is in the open position, wherein the connecting element (10) comprises a hinge element (23) in addition to the connecting web, wherein the hinge element (23) connects the connecting web to the cap skirt (8) and is arranged between the connecting web and the cap skirt (8), the hinge element (23) defining the pivot axis (52), wherein the hinge element (23) is designed in such a way that the closure cap (6) is mounted pivotably about the pivot axis (52) relative to the connecting web, the hinge element (23) preferably being designed and arranged in such a way that the pivot axis (52) is spaced axially is arranged by the connecting web. Closure device (1) according to one of the preceding claims, wherein the outer surface (13) extends axially substantially parallel to the closure cap axis (51). Closure device (1) according to any one of the preceding claims, wherein the first driver web (11) has a stop edge, the cutting device having a stop element, the first driver bar (11) and the cutting device being designed and arranged in such a way that when the closure cap (6) is rotated for the first time in the opening direction of rotation, the stop edge of the first driver bar (11) engages with reaches the stop element of the cutting device, so that the opening rotary movement of the closure cap (6) drives a rotary movement of the cutting element, with the first section (20) of the first driver web (11) being arranged closer to the front edge than the second section (21 ). Cardboard packaging with a closure device (1) according to one of the preceding claims. locking element (100), wherein the closure element (100) comprises a closure cap (6), wherein the closure cap (6) has a cap cover (7) and a cap jacket (8) adjoining the cap cover (7) on the peripheral side, arranged cylindrically around a closure cap axis (51) and thus extending parallel to the closure cap axis (51), wherein the closure cap (6) comprises at least one first driver bar (11) for driving a cutting device in rotation, wherein the closure element (100) comprises a connecting element (10) and an anchor ring (9), the connecting element (10) connecting the closure cap (6) to the anchor ring (9) in a tension-resistant manner, the anchor ring (9) being designed in such a way that it can be brought into engagement with a base element (2) of a container, the closure cap (6), the connecting element (10) and the anchor ring (9) being designed in such a way that the closure cap (6) can be pivoted about a pivot axis (52). is articulated to the anchor ring (9), the pivot axis (52) being aligned perpendicularly to the cap axis (51) when the cap (6) is in a closed position, the first driver web (11) being arranged on the cap cover half (7) closest to the pivot axis (52). Closure element (100) according to claim 7 , wherein the one outer surface of the first entrainment web (11) directed away from the closure cap axis has a first section and a second section following the first section in the circumferential direction of the closure cap (6), the first section being at a distance R1' from the closure cap axis ( 51), wherein the second section is at a distance R2' from the axis (51) of the closure cap, R2' being unequal to R1'. Closure element (100) according to claim 7 or 8th , wherein the first driver web (11) extends in the circumferential direction from a front end section to a rear end section, the front end section having a smaller maximum distance from the closure cap axis (51) than the rear end section, the front end section moving in the direction of the Rear end section looking the first section is located in front of the second section.

Images