EP1060106B1 - Container with a discharge nozzle - Google Patents

Description

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

Such known containers are with a liquid or pasty product filled. Examples include adhesive tubes and cartridges for joint sealants and other pasty products called. Such containers are, for example known from DE 41 26 477 C2 and DE 44 20 719 A1. The containers have three main elements, firstly the actual container with one Outlet opening, secondly the one that can be placed or screwed onto the outlet opening Exhaust nozzle with an elongated narrow channel, which is a fine Dosing of the container content should enable, and thirdly, a cap, which is removed before using the container. With those from the Known containers is the outlet opening of the container with a Membrane closed before the first use of the container must be pierced. For this is inside the cap needle-shaped piercing element is provided, which is axially opposite the Cap is movable. When used for the first time, the Cap the needle-shaped dome down towards the The outlet opening of the container is moved so that the membrane is pierced. Then the cap is removed together with the needle-shaped mandrel Container removed so that the contents of the container through the outlet and the narrow channel of the outlet nozzle can escape metered.

In another known container (EP 0 155 471 A2) the membrane is on the Tip of the outlet nozzle attached. The needle-shaped piercing element is also here formed as part of the cap.

After using the container according to DE 44 20 719 A1 or DE 41 26 477 C2 the cap must usually be put back on the outlet nozzle to prevent accidental leakage or drying out of the Avoid container contents. There is also the long, needle-shaped piercing element reinsert into the narrow channel of the outlet nozzle to the container opening to close. The disadvantage here is that this closing a requires special skill. To simplify the sealing can in the known containers, the piercing element cannot simply be removed, because in this case the container opening when the cap is put on is not completely closed.

A generic container is in document GB-A-2 058 726 disclosed.

The invention is therefore based on the task of reclosing one To facilitate the container of the type mentioned significantly.

This task is performed by the container of the type mentioned the features of claim 1 solved.

Since according to the invention the piercing element is formed as part of the outlet element is a closed cap known per se can be used without problems on the container with the pierced Membrane and applied with attached outlet nozzle, for. B. screwed on, can be. A laborious threading of an elongated Piercing element in the narrow channel of the outlet nozzle is no longer required.

The position of the element for piercing the membrane is opposite the connecting element axially changeable so that the membrane is not already when attaching the outlet nozzle on the outlet opening of the container must be pierced. Rather, puncturing the membrane can any later point in time due to the axial change in the position of the Puncture element can be made.

The outlet body has two in accordance with the invention Axial position mutually variable parts, of which one part the element for piercing the membrane and the other part the connecting element wearing. The other part carrying the connecting element essentially ring-shaped and that the element for piercing the membrane supporting a part substantially tubular and essentially arranged concentrically within the annular part. To this Way, the annular part can be attached to the neck of the container, e.g. B. screwed on, and only then the membrane by axial displacement of the tubular part are pierced within the annular part.

For this purpose, it is proposed that the outlet opening of the container has an external thread has, on which a first internal thread of the annular part can be screwed and that the annular part has a second internal thread, into which the tubular part can be screwed with its external thread.

One compared to slowly screwing the ring-shaped part onto the Container relatively quick puncture of the membrane with only a minor Rotation of the tubular part is achieved when the second internal thread of the annular part has a larger pitch than its first internal thread having.

Advantageously, the element for piercing the membrane is as one sharp edge of the tubular part.

To facilitate piercing the membrane, the outside of the outlet body has and in particular the outside of the tubular part at least a grip element, in particular wing-like projections, grooves or teeth, to change the axial position of the element to pierce the membrane opposite the connecting element. When moving the Piercing elements offer such grip elements to the user's hand a fixed point of attack.

The drying out of the product in the opened container is in another Embodiment of the invention prevents when the cap in the attached Condition at least partially covers the outlet body and in particular closes the outlet duct.

This closure cap preferably has at least one actuating element which engages in the grip element when the closure cap is attached, so that when the cap is turned, the grip element supporting part of the outlet body rotates. Puncturing the membrane can therefore also be made with the cap on, by the Cap is rotated relative to the container.

In a particularly preferred embodiment of the invention, the closure cap has an internal thread, which is on an external thread of the annular Partly screwed and is designed so that when unscrewing the cap of the annular part, the tubular part axially in Moved towards the outlet opening of the container.

For this purpose, it is proposed that the second internal thread of the annular part is designed in the opposite direction to its external thread. Preferably that is Male thread a usual right-hand thread, so that the cap through Unscrew from the ring-shaped part by turning it counterclockwise can. However, the second internal thread of the annular part is preferred a left-hand thread so that when the cap is rotated counter to it clockwise, i.e. when unscrewing, the tubular Part simultaneously in the opposite direction to the outlet opening of the container and is moved towards the membrane.

Figuren 1A - 1C

im Schnitt und in schematischer Darstellung die Montage der Auslaßdüse und des Behälters nach einem ersten Ausführungsbeispiel der Erfindung,

Figur 1D

den montierten Behälter mit der Auslaßdüse und der Verschlußkappe nach den Figuren 1A bis 1C im verkaufsfertigen Zustand in perspektivischer Teilschnitt-Darstellung,

Figuren 2A - 2C

den Behälter nach den bisherigen Figuren im Schnitt während des erstmaligen Öffnens durch den Anwender,

Figur 2D

eine perspektivische Teilschnitt-Darstellung des Behälters entsprechend Figur 2B, also unmittelbar nach dem Durchstoßen der Membran,

Figur 2E

eine perspektivische Teilschnitt-Darstellung des Behälters entsprechend Figur 2D nach dem Durchstoßen der Membran und während des Abnehmens der Verschlußkappe,

Figur 3

eine Seitenansicht des Behälters nach dem ersten Ausführungsbeispiel, wobei die Verschlußkappe im Schnitt dargestellt ist und

Figur 4

eine Explosionsdarstellung eines Behälters nach einem zweiten, besonders bevorzugten erfindungsgemäßen Ausführungsbeispiel,

Figur 5

den zweiten Schritt bei der herstellerseitigen Montage des Behälters nach Figur 4 in perspektivischer Darstellung und

Figur 6

den dritten Schritt bei der Montage des Behälters nach Figur 4.

Two exemplary embodiments of the invention are explained in more detail below with reference to drawings. Show it

Figures 1A-1C

in section and in a schematic representation the assembly of the outlet nozzle and the container according to a first embodiment of the invention,

Figure 1D

the assembled container with the outlet nozzle and the closure cap according to Figures 1A to 1C in the ready-to-sell state in a perspective partial sectional view,

Figures 2A-2C

the container according to the previous figures on average during the first opening by the user,

Figure 2D

3B shows a perspective partial section of the container corresponding to FIG. 2B, that is to say immediately after the membrane has been pierced,

Figure 2E

2 shows a perspective partial section of the container corresponding to FIG. 2D after the membrane has been pierced and during the removal of the closure cap,

Figure 3

a side view of the container according to the first embodiment, wherein the cap is shown in section and

Figure 4

3 shows an exploded view of a container according to a second, particularly preferred exemplary embodiment according to the invention,

Figure 5

the second step in the manufacturer's assembly of the container of Figure 4 in perspective and

Figure 6

the third step in the assembly of the container according to Figure 4.

In all drawings, the same reference numerals have the same meaning and may therefore only be explained once.

The embodiment shows a container 2 in the form of a tube for one Cyanoacrylate adhesive, also known as a superglue. The container 2 has an outlet opening 8 which is closed with a membrane 11 (Figure 1C). The outlet nozzle 1 for the container 2 has a two-part outlet body 4, 5 with an outlet channel 3. The outlet body consists of an annular Part 4 and a tubular part 5 arranged axially displaceably therein (Figure 1C).

The annular part 4 has a connecting element 6, which acts as an internal thread designed and for connecting the outlet nozzle 1 with the neck 7 of the container 2 is provided, the neck 7 corresponding to the internal thread 6 Has external thread 9, so that the annular part 4 on the neck 7 of the Can be screwed on.

The tubular part 5 arranged inside the annular part 4 has at its lower end an element 10 for piercing the membrane 11, this element 10 being in the form of a knife-like sharp bottom Has edge of the tubular part 5.

For axially displacing the tubular part 5 with respect to the annular one Part 4 is provided on the inside of a second internal thread 12, which is opposite to the first internal thread 6 and a corresponding one External thread 13 of the tubular part 5 corresponds, so that the tubular Part 5 with its external thread 13 in the second internal thread 12 of the annular part 4 can be screwed. When twisting the ring-shaped Part 4 against the tubular part 5 changes the mutual axial position so that when screwed onto the container 2 annular Part 4 the rotation of the tubular part 5, the distance of the piercing element 10 changes from the membrane 11.

The rotation of the tubular part 5 relative to the annular part 4 is facilitated by projections 14, which act as grip elements on the outside of the tubular part 5 and in its upper region.

The outlet nozzle 1 is closed with a cap 15, which at its Inside has a pin 16 which, when the cap 15 is attached (FIG 1C) protrudes into the outlet duct 3 and closes the duct in this way.

On the inside of the cap 15 projections 17 are also formed, the as actuators with the projections 14, the handle elements on the Interact outside of the tubular part 5. The cap 15 also has an internal thread 18, with which the cap 15 on an external thread 19 of the annular part 4 can be screwed on (FIG. 3). The External thread 19 has a horizontal segment 20, so that when Removing the cap 15 this first during half Rotation is rotated without axial displacement and doing the tubular Part 5 rotates, which in this way down into the annular part 4th is screwed so that the sharp edge 10 (the element for piercing the membrane) is pressed through the membrane 11, as shown in FIGS. 2A and Fig. 2B, and the container 2 is consequently opened. The tubular part 5 can, for example, by means of a (in the present Example not shown) snap or snap connection in the down screwed position against the annular part 4 are fixed.

When assembling the from the outlet nozzle 1 and the container 2 existing system is first the cap 15 on the ring-shaped part 4 screwed (Figure 1A). Then the tubular Part 5 guided from the bottom through the annular part 4 and therein screwed tight (Figure 1 B). Then screw the outlet nozzle 1 onto the neck 7 of container 2, as shown in Figure 1C. That way receive a container with an outlet nozzle according to Figure 1D.

When the container 2 is used for the first time, the closure cap 15 rotated so that the tubular member 5 from the position shown in Figure 2A in the position of Figure 2B, the membrane 11 from the sharp the lower edge 10 of the tubular part 5 is pierced. This situation is also shown in Figure 2D. As the cap 15 continues to rotate these are unscrewed from the container (Figure 2E), so that the user receives in Figure 2C container from which it is the liquid or pasty Can remove product through the outlet channel.

With the help of the outlet nozzle 1 according to the invention can easily the membrane 11 in the outlet opening 8 of a container 2 before the first Use can be opened by turning the cap 15 without the product contained in container 2 may leak unintentionally.

FIGS. 4 to 6 show a particularly preferred exemplary embodiment of the Invention shown. It can be seen in FIG. 4 that the external thread 13 of the tubular part 5 as a left-hand thread with a relatively large one In contrast to the external thread 19 of the tubular part 4 is formed, which as a right-hand thread with a smaller pitch is provided. The external threads 13 and 19 correspond to the internal thread 12 of the annular part 4 and the internal thread 18 of the closure cap 15.

To facilitate unscrewing, the closure cap 15 is shown wing 21 extending on the outside.

5, the closure cap 15 is on the ring-shaped Part 4 screwed on. In a further step (Figure 6), the tubular is then Part 5 screwed into the annular part 4. Get into this state the projections 14 of the tubular part 5 in the area of the inner Projections 17 of the cap 15. So that the projections 17 of the cap 15 the projections 14 while unscrewing the cap sufficiently long to capture the tubular member 5 for piercing the Moving the membrane downward has the external thread 19 (right-hand thread) of the annular part 4 and the corresponding internal thread 18 of the closure cap 15 a smaller pitch than the external thread 13 of the tubular Part 5 and the corresponding internal thread 12 of the annular Part 4 on. When unscrewing the closure cap 15 from the annular part 4 therefore moves the closure cap 15 only slightly in the axial direction above, while the tubular part 5 extends over one significant larger way down towards the outlet opening 8 of the container 2nd emotional. After the element 10 has pierced the membrane, the come Projections 14 of the tubular part 5 out of engagement with the projections 17 the cap 15 so that when the cap is unscrewed further there is no longer any screwing movement of the tubular part 5.

It can be provided that the user from the cap 15, the annular part 4 and the tubular Part 5 assembled part screwed onto the outlet opening 8 of the container 2, before unscrewing the cap 15 from the annular part 4. To make things easier screwing on is the outer jacket of the annular part 4 fluted.

LIST OF REFERENCE NUMBERS

1

outlet nozzle

2

container

3

outlet channel

4

the other part, ring-shaped part

5

one part, tubular part

6

Connection element, first internal thread

7

neck

8th

outlet

9

external thread

10

Puncture element

11

membrane

12

second internal thread

13

external thread

14

Projection, grip element

15

cap

16

pen

17

Projection, actuator

18

inner thread

19

external thread

20

segment

21

wing

Claims (8)

1. Container (2) with an outlet nozzle (1) and a closure cap (15) for the outlet nozzle (1), wherein the container (2) has an outlet opening (8) closed by a membrane (11) and the outlet nozzle (1) comprises an outlet body (4, 5) with an outlet channel (3) and a connecting element (6) for connecting the outlet body (4, 5) with the outlet opening (8) of the container (2) and wherein an element (10) is provided, by which the membrane (11) can be punctured during or after the connecting of the outlet body (4, 5) with the outlet opening (8) of the container (2) and which is constructed as part of the outlet body (4, 5), characterised in that the position of the element (10) for puncturing the membrane (11) is axially variable relative to the connecting element (6), that the outlet body comprises two parts (4, 5), which are variable relative to one another with respect to their axial position and of which one part (5) carries the element (10) for puncturing the membrane (11) and the other part (4) carries the connecting element (6), that the other part (4) carrying the connecting element (6) is substantially angular and the one part (5) carrying the element (10) for puncturing the membrane (11) is substantially tubular and is arranged substantially concentrically within the annular part (4), that the outlet opening (8) of the container (2) has an external thread (9) onto which a first internal thread (6) of the annular part (4) can be screwed and that the annular part (4) has a second internal thread (12) into which the tubular part (5) can be screwed by its external thread (13).
2. Container according to claim 1, characterised in that the second internal thread (12) of the annular part (4) has a greater slope than the first internal thread (6) thereof.
3. Container according to claim 1 or 2, characterised in that the element (10) for puncturing the membrane (11) is formed as a sharp edge of the tubular part (5).
4. Container according to one of claims 1 to 3, characterised in that the outer side of the outlet body (4, 5) and, in particular, the outer side of the tubular part (5) has at least one grip element, in particular blade-like projections (14), grooves or teeth, for varying the axial position of the element (10) for puncturing the membrane (11) relative to the connecting element (6).
5. Container according to one of the preceding claims, characterised in that the closure cap (15) in the fitted state at least partly covers the outlet body (4, 5) and, in particular, closes the outlet channel (3).
6. Container according to the preceding claim, characterised in that the closure cap (15) comprises at least one actuating element (17) which, when the closure cap (15) is fitted, engages in the grip element (14) so that on rotation of the closure cap (15) the part, which carries the grip element (14), of the outlet body (4, 5) also rotates.
7. Container according to the preceding claim, characterised in that the closure cap (15) has an internal thread (18) which can be screwed onto an external thread (19) of the annular part (4) and is constructed in such a manner that when the closure cap (15) is unscrewed from the annular part (4) the tubular part (5) moves axially in direction towards the outlet opening (8) of the container (2).
8. Container according to the preceding claim, characterised in that the second internal thread (12) of the annular part (4) is formed in opposite sense to the external thread (19) thereof.

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