DE102018105323A1 - Closure device for a container - Google Patents

Abstract

The invention relates to a closure device for a container having a container opening, wherein the closure device comprises a lid member for closing the container opening, a chamber associated with the lid member and an inner housing, further comprising the chamber and the inner housing mutually corresponding closure means and opening means, which interacts so that a medium contained in the chamber due to a movement of the lid member relative to the inner housing can escape into the container, further wherein the chamber has a free-standing, in use state in a container interior facing, ring-shaped circumferential about a central axis of the chamber closure edge, which cooperates closably with the inner housing in the closed state, wherein the inner housing forms a bounded by the closure edge chamber bottom. In order to provide a closure device which allows for effective producibility effective emptying of the chamber in the course of removal of the cover element, it is proposed that the chamber bottom (18) is formed sloping down to a free end of the closure edge (12).

Description

Field of engineering

The invention relates to a closure device for a container having a container opening, wherein the closure device comprises a lid member for closing the container opening, a chamber associated with the lid member and an inner housing, further comprising the chamber and the inner housing mutually corresponding closure means and opening means, which interacts so that a medium contained in the chamber due to a movement of the lid member relative to the inner housing can escape into the container, further wherein the chamber has a free-standing, in use state in a container interior facing, ring-shaped circumferential about a central axis of the chamber closure edge, which cooperates closably with the inner housing in the closed state, wherein the inner housing forms a bounded by the closure edge chamber bottom.

State of the art

Closure devices of the aforementioned type are known in the art. These serve to seal a container and at the same time provide a chamber for the separate storage of liquid or powdered media, such as tea essences or the like, so that it does not immediately upon filling the container with the contents of the container, i. For example, water, come into contact and / or mixed, but only at the moment in which the closure device is removed from the container. This is usually the moment in which the content of the container is to be consumed.

The publication WO 2007/129116 A1 concerns, for example, a closure device of the aforementioned type, which emits an additional liquid located in the chamber into the container when opening a sealed container. The closure device has a cover element, a chamber and an inner housing. The inner housing has a discharge opening into which a sealing means connected to the inner housing sealingly engages. The closure means is plug-shaped. The cover element and the inner housing are connected to one another via a screw thread, the cover element being moved relative to the inner housing from a closed position in which the closure means closes the discharge opening of the chamber into a discharge position in which the closure means is at least partially withdrawn from the discharge opening. is liftable to provide a communication path from the chamber into the main liquid space of the container. In this case, the stored in the chamber medium can escape into the container, wherein it is mixed with the medium in the container.

Moreover, it is known from the prior art that the closure means form as such through the wall of the chamber, in particular by the region of the free-standing, in the use state in the container interior facing, ring-shaped circumferential around the central axis of the chamber closure edge. This closure edge cooperates at least in the closed position with the inner housing. To release a discharge opening of the closure edge is displaceable in a discharge position, in particular due to an axial relative displacement of the closure edge to the inner housing.

Summary of the invention

Starting from the prior art, the invention is concerned with the task of specifying a closure device, which allows for effective producibility effective emptying of the chamber in the course of removal of the cover element.

According to a first solution, the invention proposes for this purpose that the chamber bottom is formed sloping down to a free end of the closure edge.

As a result of the design of the chamber bottom sloping towards the closure edge, there is a directed outflow of the medium initially stored in the chamber in the discharge position. It can thereby continue a complete, i. preferably complete emptying of the chamber can be achieved.

The chamber bottom can in this case also be limited in the discharge position of the closure means by the closure edge substantially completely encircling, optionally, as well as preferably, leaving a Ablassbereiches in the interaction region of the closure edge and chamber bottom.

The chamber bottom may accordingly (in particular in the discharge position) extend in a plane which, with respect to a longitudinal section through the closure device, makes an acute angle of, for example, five degrees or more, further for example 15 degrees to 60 degrees, further for example 45 degrees or more to the central axis of the chamber.

In a circular ring around the central axis of the chamber circumferential closure edge results with respect to a projection of the chamber bottom along the central axis in a transverse to Center axis directed plane preferably a circular disk-shaped base of the chamber bottom. The chamber bottom is in this case formed with respect to a longitudinal cross section through the chamber with respect to the central axis sloping radially outward.

Further features of the invention are explained below, also in the description of the figures, often in their preferred association with the subject matter of claim 1 or with features of further claims. But they can also be in an assignment to only individual features of claim 1 or the respective further claim or each independently of importance.

Thus, the chamber floor may be formed in a possible embodiment as a cross-section over the central axis extending oblique plane. The bottom surface of the bottom of the chamber extends correspondingly in a longitudinal section through the chamber, in which longitudinal section, the central axis is a line, on both sides of the central axis, this crossing accordingly. The oblique plane can in this case run uniformly, so that the bottom surface in such a longitudinal section represents a continuous line enclosing an acute angle to the central axis.

Also, the chamber bottom may be formed conically in cross-section, with a conical tip. Thus, further the chamber bottom may extend with respect to a cross-section, starting from the apex of the cone, on both sides in the direction of the chamber bottom edge delimited by the closing edge.

Starting from the apex of the cone, the bottom of the chamber can include on both sides a same acute angle to the central axis or to an axis parallel, but possibly also different acute angles.

Moreover, as also preferred, the central axis of the chamber can penetrate the chamber bottom in the apex of the cone. It may thus result in a circular conical chamber bottom design, in which both sides of the central axis, the resulting chamber bottom portions in cross-section may include equal angles to the central axis.

The chamber bottom may be associated with the free end of the closure edge in a groove, which has a discharge opening. The channel may, as also preferred, be formed by the inner housing. Due to the free end of the closure edge sloping down configuration of the chamber bottom is given a targeted guidance of the medium located in the chamber towards the channel. The medium in the chamber is directed in the release position towards the channel of the inner housing.

The channel may be formed like a ring, in particular ring-like circumferential with respect to the central axis. The channel thus possibly completely surrounds the chamber bottom, this preferably at the same time limiting radially outward.

The discharge opening may be formed in a channel bottom and / or in a gutter side wall. In the case of the arrangement or design of the discharge opening in the channel bottom, a deepest possible arrangement of the discharge opening essentially results in a preferred embodiment. An axis which passes centrally through the discharge opening may in this case extend substantially parallel to the central axis or perpendicular to a plane oriented transversely to the axis of rotation.

In the case of the arrangement or design of the discharge opening in the region of the gutter side wall, a discharge flow of the medium directed radially outwards from the gutter results from the chamber. Also, such a discharge opening is preferably formed within the axial height extent of the channel, possibly in this case the channel bottom at least tangent.

In addition, the discharge opening can also be formed both in the channel bottom and in the channel side wall, possibly by providing both a discharge opening in the channel bottom, and a discharge opening in the channel side wall. In addition, only with respect to a cross-section can a drain opening be provided in a transition region of channel bottom into the channel side wall.

It is also possible for a plurality of discharge openings to be formed over the circumference of the channel, either alone in the region of the channel bottom or alone in the region of the channel side wall, but also, for example, alternately in the region of the channel bottom and the channel side wall.

The channel bottom, as well as the discharge opening, are preferably formed in the axial direction at a distance from the lowest region of the chamber bottom sloping in the direction of the closure edge.

The discharge opening can be pushed off by the closing edge. For this purpose, the chamber wall can be displaced with closure edge in the course of the opening of the closure device along the central axis relative to the inner housing or the inner housing-side groove having the discharge opening. Also, in this regard, a rotational displacement of the chamber wall with its closure edge relative to the gutter having inner housing possible. In a further embodiment, a superimposition of axial and rotational displacement of the chamber wall with the closure edge relative to the inner housing enable the discharge opening to be discharged to the outlet of the chamber-side medium.

In particular, for sealing cooperation with the closure means, the chamber bottom in a possible embodiment may have a soft plastic layer. Particularly in the closed position, the closure means, here in particular the closure edge, preferably interacts with the soft plastic layer. The soft plastic layer extends in a further possible, as well as preferred embodiment into the region of the channel, in this case in particular enclosing the region of the outlet opening.

Thus, the soft plastic layer can further extend over the channel bottom and / or the channel side wall.

The discharge opening may be formed in this case, if necessary, alone in the soft plastic layer. Accordingly, the soft plastic layer extends into the region of the discharge opening, the wall of the discharge opening preferably extends completely, possibly over its axial length and only partially, forming.

It can be provided that the soft plastic layer is made of an elastically flexible material, so on, for example, from a thermoplastic elastomer. It also proves to be advantageous if the closure edge is formed in one piece and of the same material as the chamber wall, wherein the chamber, in particular the chamber wall, is made regularly from a plastic, for example polybutylene terephthalate (PBT) or also polypropylene (PP) or polyethylene (PE) is. Here is an injection molding process.

list of figures

• 1 in einer Explosions-Vertikaldarstellung eine Verschlussvorrichtung einer ersten Ausführungsform;
• 2 die Verschlussvorrichtung gemäß 1 bei Anordnung an einem Behälter, die Verschlussstellung betreffend;
• 3 die Herausvergrößerung des Bereiches III in 2;
• 4 eine der 2 entsprechende Darstellung, die Ablassstellung betreffend;
• 5 die Herausvergrößerung des Bereiches V in 4;
• 6 eine der 2 entsprechende Darstellung, eine zweite Ausführungsform betreffend;
• 7 die Herausvergrößerung des Bereiches VII in 6;
• 8 die Verschlussvorrichtung der zweiten Ausführungsform in der Ablassstellung;
• 9 die Herausvergrößerung des Bereiches IX in 8;
• 10 eine weitere, der 2 entsprechende Darstellung, betreffend eine dritte Ausführungsform;
• 11 die Herausvergrößerung des Bereiches XI in 10;
• 12 eine der 11 entsprechende Darstellung, jedoch die Ablassstellung betreffend;
• 13 eine vierte Ausführungsform einer Verschlussvorrichtung in einer Darstellung gemäß 2;
• 14 die Herausvergrößerung des Bereiches XIV in 13;
• 15 eine der 14 entsprechende Darstellung, jedoch die Ablassstellung betreffend:
• 16 eine der 2 entsprechende Schnittdarstellung betreffend eine weitere Ausführungsform;
• 17 die Herausvergrößerung des Bereiches XVII in 16;
• 18 eine der 17 entsprechende Darstellung betreffend die Ablassstellung;
• 19 eine Vergrößerungsdarstellung gemäß 16, betreffend eine weitere Ausführungsform in der Verschlussstellung;
• 20 eine der Fig. XIX entsprechende Darstellung betreffend die Ablassstellung.

In the following the invention will be explained in more detail by means of exemplary embodiments. It shows

• 1 in a exploded vertical view, a closure device of a first embodiment;
• 2 the closure device according to 1 when placed on a container, regarding the closure position;
• 3 the enlargement of the area III in 2 ;
• 4 one of the 2 corresponding representation concerning the discharge position;
• 5 the enlargement of the area V in 4 ;
• 6 one of the 2 corresponding representation concerning a second embodiment;
• 7 the enlargement of the area VII in 6 ;
• 8th the closure device of the second embodiment in the deflation position;
• 9 the enlargement of the area IX in 8th ;
• 10 another, the 2 corresponding representation, relating to a third embodiment;
• 11 the enlargement of the area XI in 10 ;
• 12 one of the 11 corresponding representation, but concerning the discharge position;
• 13 a fourth embodiment of a closure device in a representation according to 2 ;
• 14 the enlargement of the area XIV in 13 ;
• 15 one of the 14 corresponding representation, but the discharge position regarding:
• 16 one of the 2 corresponding sectional view relating to a further embodiment;
• 17 the enlargement of the area XVII in 16 ;
• 18 one of the 17 corresponding representation regarding the discharge position;
• 19 a magnification according to 16 relating to a further embodiment in the closed position;
• 20 one of the FIG. XIX corresponding representation regarding the discharge position.

Description of the embodiments

Shown and described are different embodiments of a closure device 1 with a chamber 2 having a lower opening relative to which opening means, the emptying of the chamber 2 allow, are provided. The opening means consist concretely of an opening part, which in a further concretization in the illustrated embodiments by a sealing element 3 in the form of a soft plastic layer 24 can be given. This opening part may have two circumferential sealing zones, namely once a sealing zone, which is preferably formed on a circumferential surface of the opening means, with a facing surface of the chamber 2 cooperates and further to a sealing zone, in contrast, for example. Radially offset, is formed and in the embodiments with a closure means V can interact. Said sealing zones can be perpendicular in one direction - relative to a given during opening movement direction of the opening means - relative to the chamber 2 be arranged concentrically with each other.

2 shows in a first embodiment, an upper portion of a container 5 , here a beverage bottle, at the container opening 6 a closure device 1 is arranged. The closure device 1 is located relative to the container 5 in one the container opening 6 fluid-tight closing position. The closure device 1 is in the usual way to the container 5 screwed on, leaving the container opening 6 is closed. In this condition, the container can 5 be stored for a long time without removing the contents from the container 5 can escape. To open the container 5 becomes the shutter device 1 in the usual way from the container 5 unscrewed, leaving the container opening 6 finally completely exposed.

The closure device 1 has a cover element 7 on, on the cover element 7 arranged chamber 2 as well as an inner housing 8th , In the illustrated - not limited - embodiments, the lid member 7 a plastic lid or a lid-like collar, for example. Polypropylene (PP) or polyethylene (PE).

The 1 to 9 and 13 to 15 show embodiments of the closure device 1 in which the chamber 2 as a separate part, for example. Made in plastic injection molding or plastic blow molding.

Also, for the production of the chamber, a plastic injection blow-stretching method can be used, in which for the production of hollow bodies of a thermoplastic material in addition to the usual injection-blow molding (extrusion blow molding) before or simultaneously with the blow molding an extension of the heated preform in Lengthwise is made, for example, using a run through the preform muzzle stretching rod. An achievable inflation rate (smallest mouth diameter: to the largest outer diameter), for example, be up to 1:10.

The chamber thus produced 2 is with the cover element 4 Finally, for example, bounced, further eg. Rastgehaltert, or on the cover element 4 adhesively bonded, for example, according to a welding (see exemplary embodiments in the 1 to 5 ). The chamber 2 can be partially exposed to the outside, according to the outer contour of the closure direction together with the cover element 7 essentially forming.

For a possible latching holder can, as also exemplified in the embodiment of 6 to 9 shown outside the chamber wall 2 a circumferential collar 9 be provided for latching cooperation with a corresponding locking projection 10 the lid element 7 ,

For example, flats may be provided over the circumference of the chamber wall and in the corresponding regions of the cover element wall, for the purpose of transmitting the screw torque during screw actuation of the cover element 7 , The chamber 2 is in the case rotationally fixed to the lid member 7 supported.

In the 10 to 12 is a one-piece design of chamber 2 and cover element 7 shown.

It can also be a one-part of the chamber 2 with respect to the circumferential chamber wall 11 and the chamber ceiling.

At the chamber 2 , in particular on the chamber wall 11 , is preferably the closure means V educated. The ring around the central axis x the chamber 2 circumferential chamber wall 11 has with its free end in the use state of the closure device 1 towards the container interior. The free edge area forms a circumferential closure edge 12 , This closure edge 12 forms the closure means V ,

The closing edge 12 Can be made in one piece and with the same material as the chamber wall 11 be formed, according to preferably formed in this case of a hard plastic. Alternatively, according to the embodiment, in FIGS 10 to 12 the closing edge 12 also be formed by a soft plastic material, for example a thermoplastic elastomer. Such a soft plastic sealing edge can, for example, in a 2-component injection process with the chamber wall 11 and possibly beyond with the entire chamber or further beyond with the lid member 7 be prepared.

The inner case 8th is essentially of cup-like shape with a circumferential pot wall 13 , a pot bottom 14 and a collar 15 , for supporting on the container opening 6 surrounding container edge.

Bottom side of the inner casing collar 15 can surround a sealing lip 16 be formed (see 13 ). This works in the assignment position with the container opening 6 surrounding tank wall.

The bottom of the pan forms the inner casing 8th a central, preferably concentric to the central axis x aligned, opposite the plane of the pot bottom 14 elevated area, with a circumferential Topfinnenwandung 17 and one of the pot inner wall 17 worn, a chamber floor 18 forming pot bottom section.

Between the pot inner wall 17 and the radially outer pot wall 13 can be a related to the central axis x circumferential gutter 19 arise, as in the embodiments of the 1 to 15 and 19 and 20 is shown.

Alternatively, according to the embodiment, in FIGS 16 to 18 the chamber floor 18 directly into the bottom of the pot 14 and the subsequent pot wall 13 pass. Accordingly, no Topfinnenwandung is formed in the sense in this case. The gutter 19 results in this case, according to a radially outer boundary through the pot wall 13 and a radially inner boundary through the chamber bottom 18 ,

The chamber floor 18 is with respect to a cross-sectional view, for example, according to 2 or also, for example, according to 16 to a free end of the closure edge 12 sloping down. Thus, according to the embodiments in the 1 to 15 the chamber floor 18 as a cross section over the central axis x Outwardly extending inclined plane formed. Here, as well as preferred, the central axis x the chamber floor 18 enforce in the middle.

Next, the chamber floor 18 to the central axis x an acute angle α from about 30 to 60 degrees; further include about 45 degrees. According to the sectional views, the chamber floor extends 18 including this angle α along a continuous straight line. This results in an inclined surface in the direction of the chamber bottom 18 essentially delimiting gutter 19 ,

Also, according to the representations in the 16 to 20 a roof-shaped in cross-section configuration of the chamber bottom 18 present, in particular a conical-pointed shape. This results in a pointing towards the chamber interior cone top 20 from the central axis x is interspersed. From the cone top 20 starting from the bottom of the chamber 18 circumferentially evenly inclined radially outward towards the trough 19 , Again, a sharp angle α be enclosed by about 30 to 45 degrees.

In the area of the gutter 19 is a drain hole 21 for that in the chamber 2 stocked medium M intended. This discharge opening may, as in the embodiment according to the 1 to 5 shown, the bottom of the pot 14 be arranged through, corresponding to an opening axis y having substantially rectified to the central axis x ,

In the circumferential direction can in the bottom of the pot 14 several such bore-shaped drain holes 21 be provided.

Alternatively, a drain opening 21 (if necessary over the circumference also several drainage openings 21 ) associated with the gutter 19 in the pot wall 13 be formed, corresponding to an opening axis y having, which transversely to the central axis x runs.

The drain opening 21 opens towards the tank gutter.

The bottom of the pot 14 forms in the area of the gutter 19 the gutter floor while the circumferential pot wall 13 of the inner casing 8th in the area of the gutter 19 an outer gutter sidewall forms.

The drain opening 21 is through the lock edge 12 the chamber wall 11 abschieberbar. Accordingly, the closure edge 12 the closure means V for closing or releasing the flow path of the medium M out of the chamber 2 into the container interior.

The closing edge 12 sits at least in the closed position in the gutter 19 of the inner casing 8th , in this case the discharge opening 21 closing, one. Herbei is viewed over the scope of a complete Einseinitzen the closure edge in the gutter 19 prefers.

In particular, the closure position is sealed. For this purpose, the sealing element is used 3 which in particular between the closure edge 12 or the chamber wall 11 and the pot wall 13 or the gutter side wall and / or the Topfinnenwandung 17 and / or the bottom of the pot 14 or the gutter floor acts.

Thus, according to the embodiments in the 10 to 12 and 16 to 20 the closure edge formed from a soft plastic material 12 at the same time the sealing element 3 molding. The closing edge 12 acts in the closed position sealing with the pot wall 13 and the inner wall of the pot 17 , if necessary, beyond with the bottom of the pot 14 , together (see, for example. 11 ).

A so-formed (soft) closure edge 12 In addition, to secure the closure position, as for example. In the 10 and 11 is shown, a radially outwardly projecting, circumferential locking bead 22 have, in the closed position in a correspondingly positioned circumferential recess 23 in the area of the pot wall 13 intervenes. The detent position may be due to the elastic properties in the region of the locking bead 22 be overcome (see, for example. 12 ).

The further embodiments show a sealing element 3 in the form of a soft plastic layer 24 which, as shown in 1 , Overall, a pot-like shape. This soft plastic layer 24 covered in the use position of the closure device 1 the dome-like elevation of the inner housing 8th in the area of the pot bottom 14 , Accordingly, preferably over the sloping chamber floor 18 , surrounding the adjoining Topfinnenwandung 17 and at least the bottom of the pot 14 , Also, the outer gutter side wall of such a Weichkunststofflage 24 be covered.

The soft plastic layer 24 can be attached to the inner housing 8th be sprayed, with respect to the soft plastic layer 24 an elastic flexible material is selected, for example a thermoplastic elastomer.

The soft plastic layer 24 Moreover, it can also be present as a separately produced part, which, for example, can be latched in the inner housing 8th can be fixed.

In the area of covering the chamber floor 18 can the soft plastic layer 24 over the chamber floor 18 going out lapses 25 have, in the use position on the facing inner surface of the chamber wall 11 invest.

In addition, can continue concentric to the central axis x from the bottom of the chamber 18 overlapping section of the soft plastic layer 24 a mandrel pointing into the interior of the chamber 26 be formed in the manner of a circular cylinder stump. Such a spike can prove to be favorable with respect to the outflow of the medium M out of the chamber 2 , In addition, using the thorn is 26 a cheap installation of the soft plastic layer 24 in the inner housing 8th allows.

In the case of the arrangement of a substantially cup-like Weichkunststofflage 24 in the manner of an insert for the inner housing 8th the chamber wall acts directly 11 with their material uniform, corresponding to the Weichkunststofflage 24 hard lock edge 12 with the soft plastic layer 24 together. In the closed position, in which the drain opening 21 in particular by the closure edge 12 is closed, lies the Weichkunststofflage 24 at least with its cup bottom side portion of the front side of the closure edge 12 on, as well as the Topfinnenwandung 17 cross-section of the soft plastic layer 24 on the facing wall inner surface of the closure edge 12 , In addition, with a possible overlap and the Topfwandung 13 the related soft plastic section with the outer wall surface of the chamber wall 11 or the closure edge 12 cooperate sealingly.

Even with such a configuration, a locking in the closed position can be given. Thus, according to the embodiment in the 6 to 9 the closing edge 12 a circumferential - here hard - Rastwulst 22 having, with a correspondingly positioned circumferential recess 23 in the soft plastic layer 24 interacts.

In the embodiments of the 1 to 12 and 16 to 20 is due to the lid member 7 and over this the chamber 2 an axial relative displacement of the chamber wall 11 and thus of the closure means V forming closure edge 12 opposite the inner housing 8th achieved, with the closure edge 12 the drain opening 21 for the output of the stored medium M out of the chamber 2 into the container interior releases (see. 5 . 9 . 12 . 17 and 20 ).

In the embodiment according to the 13 to 15 is over the cover element 7 the chamber 6 and thus the chamber wall 11 with the closing edge 12 around the central axis x rotated, preferably without a linear displacement in alignment of the central axis x , In this rotary displacement of the shutter edge 12 relative to the inner housing 8th the lock edge sits 12 permanently in the sealing element 3 so permanently in the soft plastic layer 24 essentially lined gutter 19 ,

The rotary displacement of the sealing edge 12 - or the entire chamber 2 - In the circumferential direction is preferably limited stop. For example, and also preferred is a stop-limited rotation by 180 °.

The closing edge 12 has inside wall facing towards the end face and the inside wall open groove 27 on. This is in the closed position as shown in the 13 and 14 with respect to the central axis x offset by about 180 ° aligned to the inside of the housing-side vent opening 21 Here, too, essentially solely due to the Weichkunststofflage 24 is formed.

Also, the groove 27 the closing edge 12 in the closed position about 180 ° in the circumferential direction offset to a groove extending substantially in axis extension 28 in the soft plastic layer 24 in the area of the transition from the pot inner wall 17 covering section in the chamber floor 18 covering section. The groove 28 is in the direction of the chamber interior, as well as radially outward toward the chamber wall 11 open.

As a result, rotational displacement becomes the shutter edge 12 in the gutter 19 einitzend twisted into the outlet position, in which according to the illustration in 15 the groove 27 the closing edge 12 and the groove 28 the soft plastic layer 24 are spent in a consistent orientation. It results in the axial direction, a superposition of the groove-like formations, so that they are the flow path for the output of the in the chamber 2 located medium M form.

The above explanations serve to explain the inventions as a whole, which in each case independently further develop the prior art, at least by the following combinations of features, wherein two, several or all of these combinations of features may also be combined, namely:

closure device 1 , which is characterized in that the chamber floor 18 to a free end of the closure edge 12 is sloping down.

Closure device, which is characterized in that the chamber bottom 18 as a cross section over the central axis x Outwardly extending oblique plane is formed.

Closure device, which is characterized in that the chamber bottom 18 is conically shaped in cross-section, with a cone point 20 ,

Closure device, which is characterized in that the central axis x the chamber 2 the chamber floor 18 in the cone top 20 interspersed.

Closure device, which is characterized in that the chamber bottom 18 assigned to the free end of the closure edge 12 into a gutter 19 passes, which is a drain opening 21 having.

Closure device, characterized in that the gutter 19 formed ring-like closed.

Closure device, which is characterized in that the discharge opening 21 is formed in a groove bottom.

Closing device, which is characterized in that the discharge opening is formed in a gutter side wall.

Closure device, characterized in that over the circumference of the channel 19 several drain holes 21 are formed.

Closure device, which is characterized, the discharge opening 21 through the closing edge 12 can be pushed off.

Closure device, which is characterized in that the chamber bottom 18 a soft plastic layer 24 having.

Closure device, which is characterized in that the discharge opening 21 alone in the Weichkunststofflage 24 is formed.

All disclosed features are essential to the invention (individually, but also in combination with one another). The disclosure of the associated / attached priority documents (copy of the prior application) is hereby also incorporated in full in the disclosure of the application, also for the purpose of including features of these documents in claims of the present application. The subclaims characterize, even without the features of a claimed claim, with their features independent inventive developments of the prior art, in particular in order to make divisional applications based on these claims. The invention specified in each claim may additionally have one or more of the features described in the preceding description, in particular with reference numerals and / or given in the reference numerals. The invention also relates to design forms in which individual of the features mentioned in the above description are not realized, in particular insofar as they are recognizable dispensable for the respective purpose or can be replaced by other technically equivalent means.

LIST OF REFERENCE NUMBERS

1

closure device

2

chamber

3

sealing element

4

5

container

6

container opening

7

cover element

8th

inner housing

9

collar

10

catch projection

11

chamber wall

12

closure edge

13

pot wall

14

pot base

15

collar

16

sealing lip

17

Topfinnenwandung

18

chamber floor

19

gutter

20

apex

21

drain hole

22

latching bead

23

deepening

24

Soft plastic layer

25

Auslappung

26

mandrel

27

groove

28

groove

x

central axis

y

opening axis

M

medium

V

closure means

α

corner

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2007/129116 Al [0003]

Claims (10)

Closure device (1) for a container (5) with a container opening (6), wherein the closure device (1) comprises a lid element (7) for closing the container opening (6), a chamber (2) associated with the lid element (7) and an inner housing (8), wherein further the chamber (2) and the inner housing (8) mutually corresponding closure means and opening means which interact with each other so that a in the chamber (2) contained medium (M) due to a movement of Lid element (7) relative to the inner housing (8) in the container (5) can escape, wherein further the chamber (2) a freely cantilever, in use state in a container interior facing, annularly about a central axis (x) of the chamber (2) circumferential closure edge (12) which cooperates with the inner housing (8) occlusive in the closed state, wherein the inner housing (8) of the closure edge (12) limited chamber bottom (18) forms dadur Ch characterized in that the chamber bottom (18) is formed sloping down to a free end of the closure edge (12). Closing device after Claim 1 , characterized in that the chamber bottom (18) is formed as an oblique plane extending in cross section over the central axis (x). Closure device according to one or more of the preceding claims, characterized in that the chamber bottom (18) is conically shaped in cross-section, with a conical tip (20). Closure device according to one or more of the preceding claims, characterized in that the central axis (x) of the chamber (2) passes through the chamber bottom (18) in the conical tip (20). Closure device according to one or more of the preceding claims, characterized in that the chamber bottom (18) assigned to the free end of the closure edge (12) merges into a channel (19) having a discharge opening (21). Closure device according to one or more of the preceding claims, characterized in that the channel (19) is designed to be closed like a ring. Closure device according to one or more of the preceding claims, characterized in that the discharge opening (21) is formed in a channel bottom, and / or preferred that the discharge opening is formed in a gutter side wall. Closure device according to one or more of the preceding claims, characterized in that a plurality of discharge openings (21) are formed over the circumference of the channel (19), and / or, preferably, that the discharge opening (21) can be pushed off by the closing edge (12). Closure device according to one or more of the preceding claims, characterized in that the chamber bottom (18) has a soft plastic layer (24). Closure device according to one or more of the preceding claims, characterized in that the discharge opening (21) is formed solely in the soft plastic layer (24).

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