EP2238043B1 - Closure for the metered addition of a separate liquid substance - Google Patents

Abstract

A closure device for addition of a liquid substance separately packaged therein into an associated container containing a gas release liquid includes a connector sleeve and a twist cap fitting thereon. The connector sleeve holds a cup inside with the cup bottom extending into the container connector. The cup includes therein a substance container containing the liquid substance, disposed above a piercing and cutting mechanism having upwardly directed cutting tips and a downward arbor, and the cup has an opening at the bottom closed by the arbor. When the twist cap is rotated in the loosening direction, the piercing and cutting mechanism is moved upward, causing piercing of the substance container, and exposing the opening thereby pressure compensation occurs between the cup and container. Further loosening of twist cap causes pressure drop in the container, and the liquid substance is injected through the opening of the cup into the container.

Description

This invention relates to a closure for metering a liquid substance separately packed in this closure into a container equipped therewith. There are several such closures have become known. They can be screwed like an ordinary screw cap on the external thread of a bottle or container neck. The first time you unscrew a capsule inside the cap is opened, so that their contents fall into the bottle. Only then the cap is completely unscrewed from the nozzle and removed, so that the bottle is ready for pouring.

Out WO 2007/129116 For example, a closure for metering a liquid substance separately packaged in this closure into a container equipped therewith is known, which container contains an outgassing liquid. The closure consists of a socket sleeve (FIG. 6A: 140) and a rotary cap (FIGS. 5A, 6A: 20) airtightly sealing the same from above, the liquid substance being enclosed between the socket sleeve (140) and the rotary cap (20), and the socket sleeve (140) via an inner projection holds a projecting into the container neck cup (40) having at least one hole (61) below. WO93 / 15973 however, it discloses a closure (page 14, line 28- page 15, line 17, Figures 15A-15E) for producing small bubbles in the beverage. The principle of this closure makes itself the pressure equalization between container interior and Use ambient air. The substance is forced through a hole in the cup into the container due to the increased pressure in the rotating cap. However, the substance is a gas and not a liquid substance, and further, this closure does not contain a nozzle sleeve and no hole sized so small that at the same pressure above and below this hole, a liquid substance in that cup will not due to its capillarity through the hole in the container. The conventional solutions are expensive to manufacture. They consist of a plurality of complicated molded parts. The object of this invention is to provide such a closure, which consists of a minimum of two to four parts, which can also be aseptically filled with the separate liquid if necessary, and the dosing of the separate substance in the container in the course The first opening visually and acoustically spectacular effect by injecting the substance into the container liquid Here, the pressure in the rotary cap, that is in the space between the socket sleeve and rotating cap when filling the liquid substance should not be higher than the pressure in the container.

This object is achieved by a closure for metering a separately packed in this closure liquid substance in a container equipped with it, which contains an outgassing liquid consisting of a socket sleeve and airtight from the top of the same matching rotary cap, the liquid substance enclosed between the socket sleeve and rotating cap is distinguished, and which is characterized in that the socket sleeve holds over an inner projection a projecting into the container neck cup having at least one hole below, which is so small that at the same pressure above and below this hole, the liquid substance in this Due to its capillarity, the cup does not drain through the hole in the container, and when unscrewing the rotary cap, entraining the socket sleeve from the container nozzle as a result of pressure equalization between the container interior and ambient air, the liquid substance will be in the rotary cap due to increased pressure this at least one hole from the cup is pressed into the container.

Figur 1:

Einen Längsschnitt durch den oberen Teil eines Behälters oder einer Flasche und der ersten Variante des Verschlusses, mit dem sie ausgerüstet ist, in der initialen Schliesslage des Verschlusses;

Figur 2:

Eine Draufsicht auf den Querschnitt des Verschluss längs der Ebene A-A in Figur 1;

Figur 3:

Eine Draufsicht auf den Querschnitt dieses Verschlusses längs der Ebene A-A in Figur 1 nach einer initialen Drehung der Drehkappe, mit dem dadurch erfolgten Quetschen der Substanzkapseln;

Figur 4:

Einen Längsschnitt durch den oberen Teil einer Flasche und dieses Verschlusses, mit dem sie ausgerüstet ist, nach einer initialen Drehung der Drehkappe gegenüber der Stutzenmuffe;

Figur 5:

Eine Draufsicht auf den Querschnitt dieses Verschluss längs der Ebene A-A in Figur 1 nach einer weiteren Drehung der Drehkappe, mit dem dadurch erfolgten Öffnen der Substanzkapseln;

Figur 6:

Einen Längsschnitt durch den oberen Teil einer Flasche und dieses Verschlusses, mit dem sie ausgerüstet ist, während des Losschraubens von Drehkappe unter Mitnahme der Stutzenmuffe.

Figur 7:

Eine zweite Variante des Verschlusses, in der initialen Schliesslage des Verschlusses;

Figur 8:

Diese zweite Variante des Verschlusses zerlegt in ihre vier Einzelteile;

Figur 9:

Diese zweite Variante in einem Längsschnitt durch den zusammengebauten Verschluss, in der initialen Schliesslage;

Figur 10:

Diese zweite Variante in einem Längsschnitt nach dem Öffnen des mit der separaten Substanz befüllten Bechers;

Figur 11:

Die Stutzenmuffe, den Stech- und Schneidring sowie den Substanzbecher dieser zweiten Verschlussvariante von schräg oben gesehen;

In the following, two embodiments of this closure will be described with reference to the drawings and their function will be explained.
It shows:

FIG. 1:

A longitudinal section through the upper part of a container or a bottle and the first variant of the closure with which it is equipped, in the initial closed position of the closure;

FIG. 2:

A plan view of the cross section of the closure along the plane AA in FIG. 1 ;

FIG. 3:

A plan view of the cross section of this closure along the plane AA in FIG. 1 after an initial rotation of the rotary cap, with the resulting crushing of the substance capsules;

FIG. 4:

A longitudinal section through the upper part of a bottle and this closure, with which it is equipped, after an initial rotation of the rotary cap against the socket sleeve;

FIG. 5:

A plan view of the cross section of this closure along the plane AA in FIG. 1 after a further rotation of the rotary cap, with the result of the opening of the substance capsules;

FIG. 6:

A longitudinal section through the upper part of a bottle and this closure, with which it is equipped, while unscrewing the rotating cap with entrainment of the socket sleeve.

FIG. 7:

A second variant of the closure, in the initial closed position of the closure;

FIG. 8:

This second variant of the clasp disassembles into its four individual parts;

FIG. 9:

This second variant in a longitudinal section through the assembled closure, in the initial closed position;

FIG. 10:

This second variant in a longitudinal section after opening the filled with the separate substance cup;

FIG. 11:

The socket sleeve, the piercing and cutting ring and the substance cup of this second closure variant viewed obliquely from above;

In FIG. 1 one sees a longitudinal section through the upper part of a bottle as a container and the closure, in the initial state of the closed closure. The closure essentially consists of only two parts, namely a socket sleeve 1 and a rotary cap 2 which can be placed on it. The socket sleeve 1 is screwed with its internal thread 3 onto the external thread 4 of the bottle or container neck 5. In the example shown, the outside of the socket sleeve 1 is smooth, and the associated inside of the rotary cap 2 is also made smooth, so that a full fit is guaranteed. At the bottom of the socket sleeve 1, a guarantee strip 18 is formed, which wraps around a projection on the bottle or container neck 5 and easily behind, so that the socket sleeve 1 can only be unscrewed when the first guarantee strip 18 is torn away from its lower edge or the socket sleeve 1 is turned so strong that the guarantee strip 18 tears. The socket sleeve 1 contains approximately at half the height of an inwardly projecting projection 6, is formed from the inner edge of down against a cup 7, which fits with its outer wall into the interior of the bottle neck 5. The bottom 8 of this cup 7 is executed here inclined towards its center downwards, and in the center it has an opening in the form of a hole 9 or a slot, so that, so to speak, a funnel is formed. It is essential that the cup bottom 8 drops everywhere towards the opening, no matter where the opening or the hole 9 is located. Above the projection 6 an upwardly projecting collar 10 is integrally formed on the same from its inner edge, which forms the upper edge region of the cup 7. On the inside of the neck sleeve 1 formed by the nozzle 1 and upwardly projecting nozzle 11, an internal thread 12 is formed. At the bottom of its cap lid 13, a nipple 14 is formed with external thread 15, which cooperates with the internal thread 12 on the stub 11 on this socket sleeve 1. Next is at the bottom of the Cap lid 13, a mandrel 16 is formed, which closes the hole 9 in the bottom of the cup 7 sealing in the starting position shown here. For this purpose, the mandrel 16 can taper slightly at the end, so that it achieves a good sealing effect in the hole 9. The external thread 15 and the associated internal thread 12 are formed so that the rotary cap 1 on the neck of the socket sleeve 1 is rotatable or unscrewable only over a certain range, after which the rotary cap 2 further loosens the socket sleeve 1 entrains or rotated, so that the socket sleeve 1 is then unscrewed from the thread of the bottle neck 5.

In the interior of the closure, that is in the in-lying cup 7 of the socket sleeve 1 is a liquid substance. This can be filled directly into the cup 7, or be housed inside the cup in there inserted separate substance containers, for example in capsules 17, as shown here. The small circles indicate gases or air, while all areas filled with horizontal lines each indicate a liquid. In FIG. 2 one sees a plan view of the cross-section of the closure along the plane AA in FIG FIG. 1 , From the outside to the inside you can see first the rotary cap 2, then the socket sleeve 1 and finally the cup 7 on the socket sleeve 1. Inside the cup 7 here two capsules 17 are visible, each of which contains the liquid substance to be dosed , At the central mandrel 16 wings 19 are integrally formed on both sides, which are also formed on top of the cap lid of the lid cap 2, and which have seen on the top side facing counterclockwise side an edge 20 for piercing and cutting. On the inner wall of the cup 7 ribs 21 are formed, which each have a piercing and cutting edge 22 on their facing from the top in the clockwise direction faces. In addition, two retaining strips 23 are formed on the inside of the cup 7. At the cup bottom 8, two clamping bars 24 are formed near the hole 9. The capsules 17 are blister packs of liquids or tubular bags filled with a liquid substance, which are produced and filled in a known manner. These capsules 17 can optionally be made oxygen-tight and water-vapor-tight, for example by being made of a laminate containing an aluminum layer. These capsules 17 are inserted from above into the cup 7 and are then inserted between the retaining strips 23 and the inner edge of the cup 7 and are held there by the clamping bars 24, the when inserted capsules 17 are elastically bent against the center of the cup 7 in and press the capsules 17 against the cup inner wall due to their restoring force.

The FIG. 3 shows a plan view of this cross section of the closure along the plane AA in FIG. 1 how this is provided after an initial rotation of the rotary cap 2, with the resulting squeezing of the substance capsules 17. Namely, when the rotary cap 2 seen from above in the release direction, that is rotated counterclockwise, the wings turn 19 with her. Because these are formed on top of the cap lid 13, a torque from the rotary cap 2 is transmitted to them and they therefore assets the capsules 17 first between the ribs 21 and pinch and then pierce with their lancing edge 20, the capsules 17 so that the capsules 17 burst and its content runs down.

The FIG. 4 again shows a longitudinal section through the upper part of a bottle and the closure, which is now filled but directly with a liquid substance. The closure is shown at the moment after the mandrel 16 has been pulled out of the hole 9 with an initial rotation of the rotary cap 2 with respect to the socket sleeve 1. The internal thread 12 on the inside of the upper socket sleeve portion cooperates with the external thread 15 on the outside of the nipple 14 on the cover 13 of the rotary cap 2, whereby the rotary cap 2 is initially rotated relative to the same during initial rotation relative to the socket sleeve 1 and opposite to the same is moved up. As a result, the mandrel 16 is pulled on the cover 13 from the hole 9 in the cup 7 and the hole 9, which he previously closed sealing, is released. At the same time in the case of capsules 17, which are the separate liquid substance as in the FIGS. 1 to 3 shown, pierced or cut, because yes, the rotational movement of the rotary cap 2 is superimposed an upward movement, and thus the lancing edges 20 act on the wings 19 not only with pressure, but also be moved in the axial direction of the closure, so that produces a cutting effect becomes. But if the liquid is filled directly into the closure cup 7, so no separate opening of capsules 17 is required. In both cases, however, the following happens as soon as the spike 16 clears the hole 9 or it is open from the very beginning, when there is no spike 16 at all: when the closure is on a bottle of carbonated content is screwed so prevails in the bottle inside shortly after the screwing on of the closure due to the incoming outgassing, a higher internal pressure than outside the bottle. From bottling the bottle to opening it for the first time, at least a few hours, if not a few days or weeks, pass. During this time, this outgassing occurs until a vapor pressure equilibrium is achieved inside. Now, if the shutter is opened, and thus first the mandrel 16 is pulled out of the hole 9, or this is anyway open in the case of a missing mandrel, so gas flows immediately from the space above the liquid level in the bottle through the hole 9 up in the upper part of the closure. It flows as long as gas through the hole 9 in the closure and thus in the space above the liquid substance contained in it until a pressure equalization is achieved. This pressure equalization occurs during initial rotation of the rotary cap in the course of opening the shutter within a fraction of a second. If no thorn is present, the pressure equalization takes place immediately after the closure of the bottle with the closure. During this pressure equalization, liquid can not flow down through the hole 9, either in both cases, both when the liquid is directly in the cup 7 and when in the cup there are capsules 17 which are pierced during the initial rotation of the rotating cap. and their contents leak and collect in the cup 7. The reason for this is on the one hand that when flowing gas through the hole 9 from bottom to top can not simultaneously liquid flow down through the hole 9, and on the other hand because the hole 9 is dimensioned so that due to the capillarity of the liquid substance this hole 9 retains the liquid, because above the liquid due to the tightness between socket sleeve 1 and 2 rotation cap no air supply from the outside is possible. Thus, in both cases, that is, when the liquid substance is initially packaged in separate capsules 17, as well as when it is filled directly into the cup 7 in the closure, the situation as in FIG. 4 shown. The mandrel 16 is here pulled out of the hole 9, the liquid is at the bottom of the cup, but it remains in the cup and does not flow through the small hole. 9

After the now initial rotation of the rotary cap, the picture looks like in FIG. 5 shown where a top view of the cross section of the closure along the plane AA in FIG. 1 is shown. The liquid occupies the entire cross section of the cup 7 and lies on the cup bottom. 8

Is based on the situation as in FIG. 4 or 5 shown the rotary cap 2 further rotated in the release direction, so it takes the socket sleeve 1, on which it sits. Thus, then rotates the rotary cap 2 together with the socket sleeve 1 and the socket sleeve 1 is unscrewed in the sequence of the bottle or container neck 5. After only a short rotation, the seal between the closure, ie between the socket sleeve 1 and the bottle or container neck 5 is repealed. The overpressure of the atmosphere prevailing in the bottle or container 26 is immediately dissipated by some gas escaping from the bottle into the atmosphere. This is with the escaping gas bubbles 25 in the FIG. 6 indicated. This initial escape of gas is also the case with all previous closures of such bottles with carbonated drinks the case. Every time we open it for the first time, we are escaping, accompanied by some gas escaping from the bottle, accompanied by a pffffff noise. But because suddenly the pressure in the interior of the bottle is lowered to atmospheric pressure, in the same train creates a pressure difference between the bottle contents and the cup content of the closure. In the cup, the pressure prevails initially, as it was initially present in the bottle. The consequence of this is that now the liquid contained in the cup of this overpressure in the cup instantaneously, that is even while unscrewing the closure or the socket sleeve 1 from the bottle or container nozzle 5 with a strong injection shock through the hole 9 in the bottle is shot, yes almost shot through the hole 9. This short injection shot runs off during the clear Pfffffff sound when unscrewing the shutter and acts as a spectacular optical spectacle.

In FIG. 7 One sees a second variant of such a closure, which consists of four parts, of which only two are visible, namely the bottom conically tapered bottom 8 of the socket sleeve 1 and rotatably aufpritzt on this socket sleeve 1 pivot cap 2. It recognizes the bottom yet Thorn 16, which protrudes from the hole 9. In FIG. 8 All four parts of this closure variant are shown in an exploded view, lined up on the common axis of rotation. At the bottom you can see the socket sleeve 1. It is after the assembly of the closure on the Screwed external thread of the nozzle of a container or a bottle, for which they have a not visible here internal thread. On its outer side, it is provided in the upper part with grooves 4, on which corresponding grooves of the associated rotary cap 2 fit, so that the rotary cap 2 can be aufgeprellbar on the socket sleeve 1 and then rotatable on her over a certain range. But these grooves are not a thread! Above the socket sleeve 1, a piercing and cutting member 30 is shown here. This forms as it were a spoked wheel, wherein the Radaussenseite, that is, the Radlaufseite, is provided with an external thread 32. This external thread 32 fits to an internal thread on the nipple 14 in the interior of the rotary cap 2, as indicated by the arrow. Against the top cutting tips 29 are formed on this piercing and cutting member 30, which serve to open the film on the substance cup, as will be explained. Above this cutting tips 29 of the substance container is shown, here in the form of a substance cup 31. He is shown here in a fallen position, and accordingly he is sealed at the bottom with a film 27. This substance cup 29 may be made of oxygen-tight material, and then closed with an equally dense film 27, which allows aseptic filling. At the top you can see the rotary cap 2, which has a nipple 14 in its interior, which is integrally formed on the underside of the lid of this rotary cap 2. This nipple 14 serves to receive the substance capsule 31. How these four elements of this second variant of the closure will work together on the basis of FIG. 9 clear.

In FIG. 9 For this one sees a longitudinal section through the entire closure, in its initial closed position after assembly. The rotary cap 2 is aufgeprellt by means of their grooves on those of the socket sleeve 1. The rotary cap 2 has at the bottom of its lid a nipple 14 which is equipped at the lower end with an internal thread 28. In the upper region of the nipple 14 of the substance cup 31 is inserted, in a fallen position, with the film 27 directed downward. At the bottom of the outer handle edge of the rotary cap 2, a guarantee strip 18 is formed, which first has to be torn away in order to open the closure on a container equipped with it. The rotary cap 2 is seated on the socket sleeve 1 via a groove connection, which ensures its rotatability against the socket sleeve 1. The socket sleeve 1 carries on an inner projection 6 an open-topped cup 7, which tapers conically towards an outflow hole 9 below. Of the Nipple 14 fits exactly into this cup 7. In the lower region of the outer part of the socket sleeve 1, one can see here the internal thread 3, with which the socket sleeve 1 can be screwed onto a container socket with an external thread. At the internal thread 28 in the lower part of the nipple 14, the lancing and cutting member 30 is held over its own external thread. This piercing and cutting member 30 is designed as a spoke wheel and has upwardly directed cutting tips 29. On the tapered bottom of the cup 7 upwardly projecting support rods 33 are formed, which penetrate the spokes 34 of the piercing and cutting member 30. The lancing and Schneidorgang 30 is also provided with a centrally downwardly projecting mandrel 16 which is inserted through the hole 9 and closes this sealing.

The function of the piercing and cutting member 30 is based on FIG. 10 clear. The threaded connection to the nipple 14 must be designed so that upon rotation of the nipple 14 due to rotation of the rotary cap 2, the lancing and cutting member 30 is moved axially upward because it is prevented by the stationary support rods 33 from rotating with the nipple 14. But when this lancing and cutting member 30 is moved upward, so its cutting tips 29 pierce the film 27 of the substance cup 31 and cut it afterwards, as shown in the figure, so that the liquid substance in the substance cup 31 expires down and in the cup bottom above the hole 9 collects. By the upward movement of the piercing and cutting member 30 and the mandrel 16 has been pulled out of the hole 9 and this is now free. The liquid substance does not necessarily drain, however. The hole 9 can be made so small that due to the capillarity of the liquid substance is initially avoided that it drains through the hole, but only when a sufficient pressure gradient between the liquid substance and the interior of the container below the hole 9 is present ,

The FIG. 11 shows the socket sleeve 1, the piercing and cutting member 30 and the substance cup 31 seen obliquely from above. First, one recognizes here the spokes 34 on the lancing and cutting member 30. The support rods 33 at the bottom of the cup 7 in the interior of the socket sleeve 1 protrude in mounting position between these spokes 34 of the lancing and cutting member 30 therethrough and therefore ensure its rotational position In the nipple 14. In addition, you can see the cutting tips 29 on the piercing and cutting member 30 on top When the rotary cap 2 is screwed onto the socket sleeve 1, so make these elements with their counterparts in the interior of the rotary cap 2 sure that when opening the shutter, so if the Turning cap 2 is rotated initially seen from above in the counterclockwise direction, the following happens: In a first phase, the rotary cap 2 is rotated horizontally under a Rätschgeräusch the pawl 35 relative to the socket sleeve 1. As a result of this rotation, the piercing and cutting member 30 is held in the interior of the now rotating nipple 14 in its rotational position, resulting in that it is moved due to its threaded connection with the nipple 14 upwards, as best of the Figures 9 and 10 is traceable. The cutting tips 29 of the piercing and cutting member 30 pierce the film 27 of the substance cup 31 in the interior of the nipple 14. At the same time, the mandrel 16 at the lancing and cutting member 30, if any, is pulled upwardly out of the hole 9. When these movements are completed, the rotary cap 2 comes on the socket sleeve 1 to a stop. The rotational movement is limited by the stop element 36. At least now, there is a pressure equalization between the container interior below the hole 9 and the interior of the cup 7 and substance cup 31, and the liquid from the substance cup 31 collects on the bottom of the cup 7 at. It is under an increased pressure against the atmosphere when the container on which the closure is seated, is filled with an outgassing liquid, such as mineral water, which is mixed with carbonic acid. If the rotary cap 2 is still rotated in the loosening direction, it takes away the nozzle sleeve 1 with it. However, if this is rotated in the release direction, it is unscrewed from the container neck and that eventually leads to a pressure drop in the container to the level of ambient pressure, that is to atmospheric pressure. Suddenly, therefore, a pressure difference between the Becherinnem and the container interior, even before the closure is completely unscrewed from the container neck. This pressure difference causes the liquid substance, which is located above the hole 9, to be pressed vigorously under the pressure prevailing in the cup 7 through the hole 9 into the container interior, under a perceptible sharp sibilant. This injection can be observed when the container is made of transparent material, such as glass or PET, and the injection provides a visually impressive spectacle.

Claims (8)

1. A closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith and containing an outgassing liquid, the closure device comprising a connector sleeve (1) and a twist cap (2) fitting thereon from above in an air-tight manner, wherein the liquid substance is enclosed between the connector sleeve (1) and the twist cap (2), whereby the connector sleeve (1) holds a cup (7) via an inner overhang (6), the cup (7) extending into the container connector (5) and including at least one opening (9) at the bottom, characterized in that the opening (9) has such small dimensions that, when the pressure above and bellow this opening (9) is the same, the liquid substance in this cup (7) is prevented by its capillarity from flowing through the opening (9) into the container (26) and, when the twist cap (2) is loosened, thereby carrying along the connector sleeve (1) and unscrewing it from the connector (5), the pressure between the container interior and the ambient air equalizes and, due to the higher pressure in the twist cap (2), the liquid substance is pressed out of the cup (7) through this at least one opening (9) and into the container (26).
2. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to claim 1, characterized in that the liquid substance is enclosed between the connector sleeve (1) and the twist cap (2) by being stored in a separate, foil-sealed substance cup (31) which is inserted upside-down in a nipple (14) integrally formed on the twist cap (2), with the foil (27) pointing downward, wherein this nipple (14) extends downwardly past the inserted substance cup (31) and has an internal thread (28) there, on which a piercing and cutting mechanism (30) having upwardly directed cutting tips (29) is rotatably supported; the connector sleeve (1) holds a cup (7) inside the container connector (5) via an inner overhang (6), the cup (7) tapering downward conically toward the opening (9) and, in the interior of its conically tapering base, upwardly extending retaining rods (33) are integrally formed and penetrate the piercing and cutting mechanism (30) and secure it from rotating relative to the cup (7), and so, when the twist cap (1) and the nipple (14) integrally formed thereon are rotated in the loosening direction, the piercing and cutting mechanism (30) is moved upward by the threaded connection and without rotating, to open the foil (27) using the cutting tips (29).
3. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to one of the preceding claims, characterized in that a stop is provided between the twist cap (2) and the connector sleeve (1), thereby enabling the twist cap (2) to be rotated along a limited path relative to the connector sleeve (1), during which rotation the seal of the opening (9) in the cup base (8) can be broken and the cup (7) remains closed toward the top in an air-tight manner, and therein, as the twist cap (2) is rotated further, the connector sleeve (1) can be carried along, thereby making it possible to unscrew the entire closure device from the liquid container (26).
4. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to one of the claims 1 or 3, characterized in that, composed of a connector sleeve (1) and a twist cap (2) fitting thereon from above in an air-tight manner, therein the connector sleeve (1) forms a cup (7) that fits in the connector (5) of the container to be equipped, in which a liquid substance will be contained or can be accommodated indirectly, enclosed in oxygen-tight capsules (17), and which includes at least one opening (9) in its base (9) that is dimensioned such that, when the pressure above and bellow the opening (9) is the same, the liquid substance does not flow through the opening (9), and, when the twist cap (2) is loosened, thereby carrying along the connector sleeve (1) and unscrewing it from the container connector (5), the pressure between the container interior and the ambient air equalizes, and the liquid substance flows through this at least one opening (9).
5. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to one of the preceding claims, characterized in that, when the twist cap (2) is in the closed position, the at least one opening (9) is closed in a sealed manner by an arbor (16) on the underside of the twist cap (2) or on the piercing and cutting mechanism (30), wherein the opening (9) can be exposed by unscrewing the twist cap (2) from this arbor (16), while the remaining seal between the twist cap (2) and the connector sleeve (1) is retained and, after the twist cap (2) is rotated further, the connector sleeve (1) can be carried along and unscrewed from the container connector (5), resulting in pressure equalization between the container interior and the ambient air, thereby enabling the liquid substance to be pressed through this at least one opening (9).
6. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to one of the claims 1 through 2, characterized in that the substance container (31) is filled separately aseptically with liquid substance and is then sealed shut aseptically using a foil.
7. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to claim 4, characterized in that the twist cap (2) includes at least one piercing and/or cutting device in the form of a piercing edge (20), using which an inserted capsule (17) can be pierced or cut open by rotating the twist cap (2), and so the liquid substance contained therein flows into the cup (7) and collects on the cup base (8).
8. The closure device for the metered addition of a liquid substance packaged separately in this closure device into a container (26) equipped therewith, according to claim 1, characterized in that the opening (9) in the cup base (8) has such small dimensions that the liquid in the cup (7) is prevented by its capillarity from flowing downward through the opening (9) due to gravity alone, and flows only under the force of an induced pressure difference between the cup contents and the contents of the bottle or container.

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