EP2178765A1 - Self-opening closure with air inlet channel for composite packaging or for container necks to be sealed with foil material - Google Patents

Self-opening closure with air inlet channel for composite packaging or for container necks to be sealed with foil material

Info

Publication number
EP2178765A1
EP2178765A1 EP08772910A EP08772910A EP2178765A1 EP 2178765 A1 EP2178765 A1 EP 2178765A1 EP 08772910 A EP08772910 A EP 08772910A EP 08772910 A EP08772910 A EP 08772910A EP 2178765 A1 EP2178765 A1 EP 2178765A1
Authority
EP
European Patent Office
Prior art keywords
self
opening
sleeve
indentation
opener
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08772910A
Other languages
German (de)
French (fr)
Other versions
EP2178765B1 (en
Inventor
Roger Alther
Egon Lang
Thomas Hocker
Rolf Weiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIG Services AG
Original Assignee
SIG Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SIG Technology AG filed Critical SIG Technology AG
Priority to PL08772910T priority Critical patent/PL2178765T3/en
Publication of EP2178765A1 publication Critical patent/EP2178765A1/en
Application granted granted Critical
Publication of EP2178765B1 publication Critical patent/EP2178765B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38—Devices for discharging contents
    • B65D25/40—Nozzles or spouts

Definitions

  • This invention relates to a self-opener closure with air inlet duct for composite packages as well as with foil material to be sealed container neck of all kinds. It is especially thought of liquid packages in the form of such composite packages of foil-coated paper, in which about milk, fruit juices, all kinds of non-alcoholic drinks or in general Liquids are also packaged from the non-food area.
  • This film-coated paper is a laminate material, such as a paper or board web coated with plastic such as polyethylene and / or aluminum. Common volumes of such packages range from 2OcI to 2 liters and more.
  • the self-opener closure can also be mounted on containers which are closed by a film material, for example on all kinds of containers made of glass or plastic or similar containers, which are tilted over a more or less defined axis for pouring the contents.
  • plastic closures are known in various designs, but without specifically defined air inlet duct. They form, when they are intended for a composite package, essentially a spout with radially projecting shoulder from its lower edge, which forms a final flange at this spout.
  • the nozzle is equipped with an external thread on which a threaded cap can be screwed as a closure.
  • Such a self-opening closure is flanged onto the composite package by using the underside of its projecting edge, so with the underside of its flange, is sealingly welded or glued to the composite package.
  • the free passage at the lower end of the nozzle is then closed by the laminate or the sealing film of the composite package.
  • a sleeve is arranged in the interior of the nozzle, which is driven when turning the screwed cap of this. By guides on the inside of the nozzle and on the outside of the sleeve, this moves when unscrewing the threaded cap, that is, when this moves against the liquid pack upwards, steadily down.
  • the lower edge of the sleeve is equipped with one or more incisors.
  • the sleeve cuts out as a result of their movement a disc from the film-reinforced paper passing through it or the membrane membrane there and then pushes it downwards.
  • Such conventional self-opener closures are still capable of improvement, especially as regards the pouring behavior. Because these self-opener closures do not form a defined air inlet during pouring, the pouring out occurs in the event of heavy tilting, which is unpleasant in practice and leads to the spilling of contents.
  • the object of the present invention is to provide a self-opener closure for composite packages or sealed with film material or sealed with foil material container neck, the one clean and controlled and steady pouring of the liquid contents allowed.
  • a self-opener closure for composite packages as well as for sealing with foil material container neck consisting of a spout nozzle, which is sealingly mounted on a composite package or on a sealing material with foil container neck, an associated rotary cap and a arranged inside the spout neck self-opening sleeve, which is displaceable by the rotary cap in rotation, and which is characterized in that the self-opening sleeve to form an air inlet channel at the upper edge forms a recess which is smaller towards the bottom and in the lower, in plan view circular edge expires.
  • Figure 1 The self-opener sleeve of the closure shown in perspective, with the viewer facing the point with the indentation;
  • Figure 2 The self-opener closure seen obliquely from below, with the in-lying self-opening sleeve in its initial state;
  • Figure 3 The complete self-opener closure with its three parts, namely the lid cap, the spout nozzle and the self-opening sleeve, after unscrewing and removing the cover cap;
  • FIG. 4 shows the self-opening closure in a diametrical section
  • Figure 5 A self-opening sleeve with a variant, namely a Cutout at the dent;
  • Figure 6 The complete self-opener closure with its three parts viewed obliquely from below, namely the lid cap, the spout nozzle and the self-opening sleeve, after unscrewing and replacing the cover cap;
  • Figure 7 The opened self-opener closure mounted on a composite package.
  • the self-opening sleeve 1 of this self-opener closure is shown as a separate part.
  • the lower edge 6 forms a plurality of incisors 2, each of which expire in a sharp edge. These incisors 2 are used to puncture a running under the self-opening shutter slide and their subsequent slicing, so that a disc is cut almost all around.
  • this self-opener sleeve 1 forms at its upper edge 5 a recess 4, which becomes smaller towards the lower edge 6 of the self-opening sleeve and finally ends in the circular lower edge seen from above.
  • This indentation 4 is curved, which is here indicated by the broken auxiliary lines 3, and forms the shape of a blade or a spoon.
  • the curvature or curvature of this indentation 4 does not have to be the same size everywhere, but can, as in the example shown, approximately form a corner on one side of the rounding, which is indicated here by a broken auxiliary line 7.
  • a shoulder 8 is formed in the upper region of the indentation 4, on the outside of the sleeve 1, which serves as a stop surface for a drive cam on the inside of the lid cap.
  • FIG. 2 shows the ready-to-mount self-opening closure from cover cap 9, pouring spout 10 and self-opening sleeve 1. It stores completely inside the spout-spout 10. Because in FIG. 2 the closure is seen obliquely from below, Nevertheless, one recognizes the incisors 2 with their sharp edges and the indentation 4, which is visible here from the inside of the self-opening sleeve 1 forth.
  • FIG. 3 shows all parts of this self-opener closure after its opening. Above you can see the lid cap 9, including the spout nozzle 10 and bottom, from the same outstanding, the self-opener sleeve 1.
  • the lid cap 9 was unscrewed with a left turn from the spout nozzle 10 and removed. When unscrewing the self-opening sleeve 1 was taken in the same direction. It therefore also made a left turn and was turned downwards as a result of guide means until it reached the end position shown here. In this end position, the incisors protrude from the spout nozzle 10, and the indentation 4 has passed the lower edge of the spout nozzle 10 about halfway.
  • the indentation 4 forms an air inlet channel during pouring.
  • the self-opener closure is mounted on a package such that when the closure is opened, when the package is tipped for pouring, the indentation 4 comes to lie in the upper zenith of the closure.
  • the necessary for the turning down of the self-opening sleeve 1 rotation of the lid cap 9 extends by about 120 °. Thereafter, the drive cam not visible here slides out of the indentation 4 on the underside of the lid cap 9 and then continues to rotate empty.
  • FIG. 4 shows the self-opener closure with air inlet channel in a diametrical section, the sectional areas being shown hatched. In this illustration, one recognizes the drive cam 11, which is formed axially on the inside of the cover cap 9.
  • This drive cam 11 engages in the embodiment of the closure shown in the concave indentation 4 on the self-opener sleeve 1 in, so it is on the outside of the self-opener sleeve 1 at.
  • the cover cap 9 is screwed onto the pouring spout 10 via an external thread 12.
  • the self-opener sleeve 1, however, is held and guided on the inner wall of this spout-neck 10.
  • An integrally formed on this inner wall projection 13 engages in corresponding guide means on the outside of the self-opening sleeve 1 a.
  • the drive cam 11 abuts on the shoulder 8 on the indentation 4 and thus rotates the self-opening sleeve 1 in the same direction of rotation and the self-opening sleeve 1 slides downwards, that is to say performs, for example, a helical downward movement.
  • the indentation 4 is such that one part is still inside the spout 10, while the other bottom protrudes from the spout 10, as shown in Figure 3 already.
  • the indentation 4 forms in its end position an air inlet channel during pouring. If, therefore, the composite package is tilted in the pouring position, then air flows from the outside through this formed air inlet channel into the interior of the composite package.
  • the indentation 4 is shaped so that the air inlet channel tapers against the container interior and is deflected inside the container with a radial component to the spout nozzle. By rejuvenating the air flow is accelerated there, and the further tilting of the composite packing, the liquid can not significantly disturb this incoming air jet, so that it is maintained.
  • FIG. 5 shows an alternative embodiment of the indentation 4 on the self-opening sleeve 1.
  • This indentation 4 is namely cut parabolic at its upper edge 14. It has been shown that such a parabolic upper edge 14 has a favorable effect on the flow conditions during pouring.
  • Figure 6 you can see this self-opener sleeve installed in the closure, in its end position, after opening the self-opener closure, here with screwed back afterwards cap.
  • a lower part of the indentation 4 protrudes down here from the spout nozzle 10, while an upper part still protrudes into the spout nozzle 10.
  • FIG 7 the open self-opener closure on a composite package 15 can be seen.
  • the indentation 4 in the self-opening sleeve 1 is exactly in the upper zenith with respect to the tilting position for pouring.
  • This guide for forcing a downward movement of the self-opener sleeve 1 when unscrewing the rotary cap can also be designed differently.
  • the self-opening sleeve 1 is moved downward until it reaches the end position shown here.
  • the indentation 4 forms on its directed against the inside of the spout nozzle outside an air channel for the incoming air.
  • the incoming air jet as well as the exiting liquid jet are formed by this indentation 4 so that the liquid jet remains steady and flows without generating spills.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Cartons (AREA)

Abstract

The self-opening closure consists of a spout neck (10) which can be mounted to and sealed onto composite packaging or to a container neck to be sealed with foil material, of an associated screw cap (9) and also of a self-opening collar (1) arranged within the spout neck (10). The latter can be set in rotation by the screw cap (9). The self-opening collar (1) at the upper edge thereof forms a recess (4) which becomes smaller toward the lower edge (6) and runs out into said lower edge. On the outside of the self-opening casing (1) and on the inside of the spout neck (10) there are guide features so that the self-opening casing (1) is guided downward when turning the spout neck (10). After unscrewing the cover cap, the recess (4) rests partly in the interior of the spout neck (10), and partly below said spout neck and forms an air inlet channel which causes a steady outlet stream when pouring out the liquid contained in the composite packaging.

Description

Selbstöffner- Verschluss mit Lufteinlasskanal für Verbundpackunqen oder für mit Folienmaterial zu verschliessende Behälterstutzen Self-opening closure with air inlet channel for composite packages or for container neck to be closed with foil material

[0001] Diese Erfindung betrifft einen Selbstöffner-Verschluss mit Lufteinlasskanal für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälterstutzen aller Art. Dabei ist namentlich an Flüssigkeitspackungen in Form solcher Verbundpackungen aus folienbeschichtetem Papier gedacht, in denen etwa Milch, Fruchtsäfte, allerlei nichtalkoholische Getränke oder generell Flüssigkeiten auch aus dem Non-Food-Bereich verpackt werden. Bei diesem folienbeschichteten Papier handelt es sich um einen Laminatstoff, etwa um eine mit Kunststoff wie zum Beispiel Polyäthylen und/oder Aluminium beschichtete Papier- oder Kartonbahn. Gebräuchliche Volumina solcher Packungen reichen von 2OcI bis zu 2 Litern und mehr. Alternativ kann der Selbstöffner-Verschluss auch an Behältern montiert werden, die von einem Folienmaterial verschlossen sind, etwa an allerlei Behältern aus Glas oder Kunststoff oder an ähnlichen Behältern, die zum Ausgiessen des Inhalts über eine mehr oder weniger definierte Achse gekippt werden. Derartige Verschlüsse aus Kunststoff sind in verschiedenen Ausführungen bekannt, allerdings ohne spezifisch definierten Lufteinlasskanal. Sie bilden, wenn sie für eine Verbundpackung bestimmt sind, im wesentlichen einen Ausguss-Stutzen mit von seinem unteren Rand radial auskragender Schulter, die an diesem Ausguss-Stutzen einen abschliessenden Flansch bildet. Der Stutzen ist mit einem Aussengewinde ausgerüstet, auf welches eine Gewindekappe als Verschluss aufgeschraubt werden kann. Ein solcher Selbstöffner-Verschluss wird auf die Verbundpackung aufgeflanscht, indem er mit der Unterseite seines auskragenden Randes, also mit der Unterseite seines Flansches, auf die Verbundpackung dichtend aufgeschweisst oder aufgeklebt wird. Der freie Durchgang am unteren Ende des Stutzens ist danach vom Laminat oder der Dichtfolie der Verbundpackung verschlossen.This invention relates to a self-opener closure with air inlet duct for composite packages as well as with foil material to be sealed container neck of all kinds. It is especially thought of liquid packages in the form of such composite packages of foil-coated paper, in which about milk, fruit juices, all kinds of non-alcoholic drinks or in general Liquids are also packaged from the non-food area. This film-coated paper is a laminate material, such as a paper or board web coated with plastic such as polyethylene and / or aluminum. Common volumes of such packages range from 2OcI to 2 liters and more. Alternatively, the self-opener closure can also be mounted on containers which are closed by a film material, for example on all kinds of containers made of glass or plastic or similar containers, which are tilted over a more or less defined axis for pouring the contents. Such plastic closures are known in various designs, but without specifically defined air inlet duct. They form, when they are intended for a composite package, essentially a spout with radially projecting shoulder from its lower edge, which forms a final flange at this spout. The nozzle is equipped with an external thread on which a threaded cap can be screwed as a closure. Such a self-opening closure is flanged onto the composite package by using the underside of its projecting edge, so with the underside of its flange, is sealingly welded or glued to the composite package. The free passage at the lower end of the nozzle is then closed by the laminate or the sealing film of the composite package.

[0002] Das unterhalb des aufgeschweissten Stutzens durchgehende folienverstärkte Papier oder die innerhalb des Stutzens verlaufende Folienmembran muss zum Öffnen aufgeschnitten, aufgerissen oder weggedrückt werden, damit der Durchgang freigegeben wird und die Flüssigkeit aus dem Behälter durch den Stutzen ausgegossen werden kann. Hierzu ist im Innern des Stutzens eine Hülse angeordnet, welche beim Drehen der aufgeschraubten Kappe von dieser angetrieben wird. Durch Führungen an der Innenseite des Stutzens und an der Aussenseite der Hülse bewegt sich diese beim Wegschrauben der Gewindekappe, das heisst wenn diese sich gegenüber der Flüssigkeitspackung nach oben verschiebt, stetig nach unten. Der untere Rand der Hülse ist mit einem oder mehreren Schneidezähnen ausgestattet. Dadurch schneidet die Hülse infolge ihrer Bewegung eine Scheibe aus dem unter ihr durchlaufenden folienverstärkten Papier oder der dortigen Folienmembran heraus und drückt diese anschliessend nach unten. Es gibt Selbstöffner-Hülsen, welche aufgrund der Antriebsmittel rein axial abwärts gestossen werden. Andere vollführen anschliessend eine reine Rotation. Ebenfalls existieren solche, bei denen diese beiden Bewegungen zu einer Schraubenlinienform oder zu einer Spirale mit zunächst grosser und allmählich kleiner werdenden Steigung überlagert sind.The below the welded nozzle continuous film-reinforced paper or extending within the nozzle membrane film must be cut open to be opened, torn or pushed away, so that the passage is released and the liquid can be poured out of the container through the nozzle. For this purpose, a sleeve is arranged in the interior of the nozzle, which is driven when turning the screwed cap of this. By guides on the inside of the nozzle and on the outside of the sleeve, this moves when unscrewing the threaded cap, that is, when this moves against the liquid pack upwards, steadily down. The lower edge of the sleeve is equipped with one or more incisors. As a result, the sleeve cuts out as a result of their movement a disc from the film-reinforced paper passing through it or the membrane membrane there and then pushes it downwards. There are self-opening sleeves, which are pushed purely axially downwards due to the drive means. Others then do a pure rotation. Also, there are those in which these two movements are superimposed into a helical shape or a spiral with initially large and gradually decreasing slope.

[0003] Solche herkömmlichen Selbstöffner-Verschlüsse sind noch verbesserungsfähig, besonders was das Ausgiessverhalten anbetrifft. Weil diese Selbstöffner-Verschlüsse keinen definierten Lufteinlass beim Ausgiessen bilden, erfolgt das Ausgiessen bei starker Kipplage schwallweise, was in der Praxis unangenehm ist und zum Verschütten von Inhalt führt.Such conventional self-opener closures are still capable of improvement, especially as regards the pouring behavior. Because these self-opener closures do not form a defined air inlet during pouring, the pouring out occurs in the event of heavy tilting, which is unpleasant in practice and leads to the spilling of contents.

[0004] Die Aufgabe der vorliegenden Erfindung ist es, einen Selbstöffner- Verschluss für Verbundpackungen oder für mit Folienmaterial zu verschliessende oder bereits mit Folienmaterial verschlossene Behälterstutzen zu schaffen, der ein sauberes und kontrolliertes und stetiges Ausgiessen des Flüssigkeitsinhaltes erlaubt.The object of the present invention is to provide a self-opener closure for composite packages or sealed with film material or sealed with foil material container neck, the one clean and controlled and steady pouring of the liquid contents allowed.

[0005] Diese Aufgabe wird gelöst von einem Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälterstutzen, bestehend aus einem Ausguss-Stutzen, welcher dichtend auf eine Verbundpackung oder auf einen mit Folienmaterial zu verschliessenden Behälterstutzen montierbar ist, einer zugehörigen Drehkappe sowie einer innerhalb des Ausguss-Stutzens angeordneten Selbstöffner-Hülse, welche von der Drehkappe in Drehung versetzbar ist, und der sich dadurch auszeichnet, dass die Selbstöffner-Hülse zur Bildung eines Lufteinlass-Kanals am oberen Rand eine Einbuchtung bildet, welche gegen unten kleiner wird und in den unteren, in Draufsicht kreisförmigen Rand ausläuft.This object is achieved by a self-opener closure for composite packages as well as for sealing with foil material container neck, consisting of a spout nozzle, which is sealingly mounted on a composite package or on a sealing material with foil container neck, an associated rotary cap and a arranged inside the spout neck self-opening sleeve, which is displaceable by the rotary cap in rotation, and which is characterized in that the self-opening sleeve to form an air inlet channel at the upper edge forms a recess which is smaller towards the bottom and in the lower, in plan view circular edge expires.

[0006] In den Figuren ist eine vorteilhafte Ausführung dieses Selbstöffner-Verschlusses in verschiedenen Ansichten dargestellt. Anhand dieser Figuren wird der Selbstöffner-Verschluss nachfolgend im Einzelnen beschrieben und seine Funktion wird erläutert und erklärt.In the figures, an advantageous embodiment of this self-opener closure is shown in different views. With reference to these figures, the self-opener shutter will be described in detail below and its function will be explained and explained.

Es zeigt:It shows:

Figur 1 : Die Selbstöffner-Hülse des Verschlusses perspektivisch dargestellt, mit der dem Betrachter zugewandten Stelle mit der Einbuchtung;Figure 1: The self-opener sleeve of the closure shown in perspective, with the viewer facing the point with the indentation;

Figur 2: Den Selbstöffner-Verschluss von schräg unten gesehen, mit der inliegenden Selbstöffner-Hülse in ihrem Ausgangszustand;Figure 2: The self-opener closure seen obliquely from below, with the in-lying self-opening sleeve in its initial state;

Figur 3: Den kompletten Selbstöffner-Verschluss mit seinen drei Teilen, nämlich der Deckelkappe, dem Ausguss-Stutzen und der Selbstöffner-Hülse, nach dem Losschrauben und Entfernen der Deckelkappe;Figure 3: The complete self-opener closure with its three parts, namely the lid cap, the spout nozzle and the self-opening sleeve, after unscrewing and removing the cover cap;

Figur 4: Den Selbstöffner-Verschluss in einem diametralen Schnitt dargstellt;FIG. 4 shows the self-opening closure in a diametrical section;

Figur 5: Eine Selbstöffner-Hülse mit einer Variante, nämlich einer Ausschneidung an der Einbuchtung;Figure 5: A self-opening sleeve with a variant, namely a Cutout at the dent;

Figur 6: Den kompletten Selbstöffner-Verschluss mit seinen drei Teilen von schräg unten gesehen, nämlich der Deckelkappe, dem Ausguss- Stutzen und der Selbstöffner-Hülse, nach dem Losschrauben und wieder Aufsetzen der Deckelkappe;Figure 6: The complete self-opener closure with its three parts viewed obliquely from below, namely the lid cap, the spout nozzle and the self-opening sleeve, after unscrewing and replacing the cover cap;

Figur 7: Den geöffneten Selbstöffner-Verschluss montiert auf eine Verbundpackung.Figure 7: The opened self-opener closure mounted on a composite package.

[0007] In Figur 1 ist die Selbstöffner-Hülse 1 dieses Selbstöffner-Verschlusses als gesondertes Teil dargestellt. Der untere Rand 6 bildet mehrere Schneidezähne 2 aus, die je in eine scharfe Kante auslaufen. Diese Schneidezähne 2 dienen zum Anstechen einer unter dem Selbstöffner-Verschluss verlaufenden Folie und zu deren anschliessendem Aufschneiden, sodass eine Scheibe nahezu rundum ausgeschnitten wird. Als Besonderheit bildet diese Selbstöffner-Hülse 1 an ihrem oberen Rand 5 eine Einbuchtung 4, welche gegen den unteren Rand 6 der Selbstöffner-Hülse hin kleiner wird und schliesslich in den von oben gesehen kreisförmigen unteren Rand ausläuft. Diese Einbuchtung 4 ist gewölbt, was hier mit den unterbrochenen Hilfslinien 3 angedeutet ist, und bildet die Form einer Schaufel oder eines Löffels. Gegen den unteren Rand 6 der Selbstöffner-Hülse 1 hin weist sie einen immer kleiner werdenden Radius ihrer Wölbungskrümmung auf und mündet schliesslich in den unteren Rand 6 ein. Die Rundung bzw. Krümmung dieser Einbuchtung 4 muss aber nicht überall gleich gross sein, sondern kann wie im gezeigten Beispiel auf einer Seite der Rundung annähernd eine Ecke bilden, die hier mit einer unterbrochenen Hilfslinie 7 angedeutet ist. Damit wird im oberen Bereich der Einbuchtung 4, auf der Aussenseite der Hülse 1 , eine Schulter 8 gebildet, welche als Anschlagfläche für einen Antriebs-Nocken an der Innenseite der Deckelkappe dient. In einer anderen Ausführung kann auf der in Umfangsrichtung der Selbstöffner-Hülse gegenüberliegenden Seite eine Schulter gebildet sein, sodass dann der Antriebsnocken die Einbuchtung 4 von innerhalb der Selbstöffner-Hülse 1 her angreift und also von aussen an die dort konvexe Einbuchtung 4 anschlägt. [0008] Die Figur 2 zeigt den montagefertigen Selbstöffner-Verschlusses aus Deckelkappe 9, Ausguss-Stutzen 10 und Selbstöffner-Hülse 1. Diese lagert vollständig im Innern des Ausguss-Stutzens 10. Weil man in der Figur 2 den Verschluss von schräg unten sieht, erkennt man gleichwohl die Schneidezähne 2 mit ihren scharfen Kanten und die Einbuchtung 4, die hier von der Innenseite der Selbstöffner-Hülse 1 her sichtbar ist.In Figure 1, the self-opening sleeve 1 of this self-opener closure is shown as a separate part. The lower edge 6 forms a plurality of incisors 2, each of which expire in a sharp edge. These incisors 2 are used to puncture a running under the self-opening shutter slide and their subsequent slicing, so that a disc is cut almost all around. As a special feature, this self-opener sleeve 1 forms at its upper edge 5 a recess 4, which becomes smaller towards the lower edge 6 of the self-opening sleeve and finally ends in the circular lower edge seen from above. This indentation 4 is curved, which is here indicated by the broken auxiliary lines 3, and forms the shape of a blade or a spoon. Towards the lower edge 6 of the self-opening sleeve 1, it has an ever decreasing radius of its curvature of curvature and finally leads into the lower edge 6. However, the curvature or curvature of this indentation 4 does not have to be the same size everywhere, but can, as in the example shown, approximately form a corner on one side of the rounding, which is indicated here by a broken auxiliary line 7. Thus, a shoulder 8 is formed in the upper region of the indentation 4, on the outside of the sleeve 1, which serves as a stop surface for a drive cam on the inside of the lid cap. In another embodiment, a shoulder may be formed on the opposite side in the circumferential direction of the self-opener sleeve, so that then the drive cam engages the indentation 4 from within the self-opener sleeve 1 ago and thus abuts from the outside to the convex indentation 4 there. FIG. 2 shows the ready-to-mount self-opening closure from cover cap 9, pouring spout 10 and self-opening sleeve 1. It stores completely inside the spout-spout 10. Because in FIG. 2 the closure is seen obliquely from below, Nevertheless, one recognizes the incisors 2 with their sharp edges and the indentation 4, which is visible here from the inside of the self-opening sleeve 1 forth.

[0009] Die Figur 3 zeigt alle Teile dieses Selbstöffner-Verschlusses nach dessen Öffnung. Oben sieht man die Deckelkappe 9, darunter den Ausguss-Stutzen 10 und unten, aus demselben herausragend, die Selbstöffner-Hülse 1. Die Deckelkappe 9 wurde mit einer Linksdrehung vom Ausguss-Stutzen 10 losgeschraubt und entfernt. Beim Losschrauben wurde die Selbstöffner-Hülse 1 im gleichen Drehsinn mitgenommen. Sie führte daher ebenfalls eine Linksdrehung aus und wurde infolge von Führungsmitteln nach unten gedreht, bis sie die hier gezeigte Endposition erreichte. In dieser Endposition ragen die Schneidezähne aus dem Ausguss-Stutzen 10 heraus, und die Einbuchtung 4 hat den unteren Rand des Ausguss-Stutzens 10 etwa zur Hälfte passiert. In dieser Lage bildet die Einbuchtung 4 einen Lufteinlasskanal beim Ausgiessen. Der Selbstöffner- Verschluss wird so auf eine Packung montiert, dass die Einbuchtung 4 bei geöffnetem Verschluss, wenn die Packung zum Ausgiessen gekippt wird, im oberen Zenit des Verschlusses zu liegen kommt. Die für das Hinunterdrehen der Selbstöffner-Hülse 1 nötige Drehung der Deckelkappe 9 erstreckt sich um etwa 120°. Danach gleitet der hier nicht sichtbare Antriebsnocken an der Unterseite der Deckelkappe 9 aus der Einbuchtung 4 heraus und dreht hernach leer weiter. Der Verschluss wird daher in einer solchen Drehlage auf der Packung positioniert, dass die Einbuchtung 4 von oben auf den Verschluss gesehen zunächst auf etwa 10.00 Uhr steht, wenn das Ausgiessen über die Stelle 12.00 Uhr am Verschluss- Stutzen erfolgen muss. Wird dann die Drehkappe 9 im Gegenuhrzeigersinn gedreht, so wird die Selbstöffnerhülse 1 gleichsinnig um 120° auf die Position 06.00 Uhr gedreht und steht dann in Kipplage der Verbundpackung im oberen Zenit des Ausguss-Stutzens 10. [0010] Die Figur 4 zeigt den Selbstöffner-Verschluss mit Lufteinlasskanal in einem diametralen Schnitt, wobei die Schnittflächen schraffiert dargestellt sind. In dieser Darstellung erkennt man den Antriebs-Nocken 11 , der auf der Innenseite der Deckelkappe 9 axial angeformt ist. Dieser Antriebs-Nocken 11 greift in der gezeigten Ausführung des Verschlusses in die konkave Einbuchtung 4 an der Selbstöffner-Hülse 1 hinein, liegt also aussen an der Selbstöffner-Hülse 1 an. Die Deckelkappe 9 ist über ein Aussengewinde 12 auf den Ausguss-Stutzen 10 aufgeschraubt. Die Selbstöffner-Hülse 1 ist hingegen an der Innenwand dieses Ausguss-Stutzens 10 gehalten und geführt. Eine an dieser Innenwand angeformte Auskragung 13 greift in entsprechende Führungsmittel an der Aussenseite der Selbstöffner-Hülse 1 ein. Wird die Deckelkappe 9 von oben gesehen im Gegenuhrzeigersinn gedreht, so schlägt der Antriebsnocken 11 an der Schulter 8 an der Einbuchtung 4 an und dreht somit die Selbstöffner-Hülse 1 im gleichen Drehsinn mit und die Selbstöffner-Hülse 1 gleitet nach unten, das heisst sie vollführt zum Beispiel eine schraubenlinienförmige Bewegung nach unten. In der Endlage liegt die Einbuchtung 4 so, dass ein Teil noch im Innern des Ausguss- Stutzens 10 liegt, während der andere unten aus dem Ausguss-Stutzen 10 herausragt, wie das in Figur 3 schon gezeigt ist.Figure 3 shows all parts of this self-opener closure after its opening. Above you can see the lid cap 9, including the spout nozzle 10 and bottom, from the same outstanding, the self-opener sleeve 1. The lid cap 9 was unscrewed with a left turn from the spout nozzle 10 and removed. When unscrewing the self-opening sleeve 1 was taken in the same direction. It therefore also made a left turn and was turned downwards as a result of guide means until it reached the end position shown here. In this end position, the incisors protrude from the spout nozzle 10, and the indentation 4 has passed the lower edge of the spout nozzle 10 about halfway. In this position, the indentation 4 forms an air inlet channel during pouring. The self-opener closure is mounted on a package such that when the closure is opened, when the package is tipped for pouring, the indentation 4 comes to lie in the upper zenith of the closure. The necessary for the turning down of the self-opening sleeve 1 rotation of the lid cap 9 extends by about 120 °. Thereafter, the drive cam not visible here slides out of the indentation 4 on the underside of the lid cap 9 and then continues to rotate empty. The closure is therefore positioned in such a rotational position on the package, that the indentation 4 is seen from the top of the closure initially at about 10:00 o'clock, if the pouring over the place 12.00 o'clock on the closure neck must be made. If then the rotary cap 9 is rotated counterclockwise, the self-opening sleeve 1 is rotated in the same direction by 120 ° to the position 06.00 clock and is then in tilting position of the composite package in the upper zenith of the spout-neck 10th FIG. 4 shows the self-opener closure with air inlet channel in a diametrical section, the sectional areas being shown hatched. In this illustration, one recognizes the drive cam 11, which is formed axially on the inside of the cover cap 9. This drive cam 11 engages in the embodiment of the closure shown in the concave indentation 4 on the self-opener sleeve 1 in, so it is on the outside of the self-opener sleeve 1 at. The cover cap 9 is screwed onto the pouring spout 10 via an external thread 12. The self-opener sleeve 1, however, is held and guided on the inner wall of this spout-neck 10. An integrally formed on this inner wall projection 13 engages in corresponding guide means on the outside of the self-opening sleeve 1 a. If the cover cap 9 is rotated counterclockwise when seen from above, the drive cam 11 abuts on the shoulder 8 on the indentation 4 and thus rotates the self-opening sleeve 1 in the same direction of rotation and the self-opening sleeve 1 slides downwards, that is to say performs, for example, a helical downward movement. In the end position, the indentation 4 is such that one part is still inside the spout 10, while the other bottom protrudes from the spout 10, as shown in Figure 3 already.

[0011] Die Einbuchtung 4 bildet in ihrer Endlage einen Lufteinlasskanal beim Ausgiessen. Wird also die Verbundpackung in Ausgiesslage gekippt, so fliesst sofort Luft von aussen durch diesen so gebildeten Lufteinlasskanal in das Innere der Verbundpackung. Die Einbuchtung 4 ist so geformt, dass sich der Lufteinlasskanal gegen das Behälterinnere hin verjüngt und im Behälterinnern mit einer Radialkomponente zum Ausguss-Stutzen abgelenkt wird. Durch die Verjüngung wird die Luftströmung dort beschleunigt, und beim weiteren Kippen der Verbundpackung vermag die Flüssigkeit diesen eintretenden Luftstrahl nicht wesentlich zu stören, sodass er erhalten bleibt. Die Einbuchtung 4 bildet mit ihrer dem Inneren des Ausguss-Stutzens 1 zugewandten Seite einen Strömungswiderstand für den austretenden Flüssigkeitsstrahl. Das wirkt sich strömungsdynamisch positiv aus, indem der Strahl so geformt wird, dass er den einströmenden Luflstrom nicht wesentlich zu stören vermag und ein stetiges Ausströmen der Flüssigkeit erzielt wird. [0012] Die Figur 5 zeigt eine alternative Ausformung der Einbuchtung 4 an der Selbstöffner-Hülse 1. Diese Einbuchtung 4 ist nämlich an ihrem oberen Rand 14 parabelförmig ausgeschnitten. Es hat sich gezeigt, dass sich ein solcher parabelförmiger oberer Rand 14 günstig auf die Strömungsverhältnisse beim Ausgiessen auswirkt. In Figur 6 sieht man diese Selbstöffner-Hülse in den Verschluss eingebaut, und zwar in ihrer Endlage, nach dem öffnen des Selbstöffner-Verschlusses, hier mit hernach wieder aufgeschraubter Deckelkappe. Ein unterer Teil der Einbuchtung 4 ragt hier unten aus dem Ausguss-Stutzen 10 heraus, während ein oberer Teil noch in den Ausguss-Stutzen 10 hineinragt. Allerdings erkennt man hier nur einen Teil des oberen parabelförmigen Randes 14 der Einbuchtung 4. Beim Ausgiessen strömt die Flüssigkeit an diesem parabelförmigen Rand 14 vorbei und wird von ihm zu einer annähernd ebenen Strahlfläche geformt, sodass also der Flüssigkeitsstrah! auf dieser beim Ausgiessen oberen Seite gewissermassen eine Sekante im Ausguss-Stutzen 10 bildet. Das gewährt der eintretenden Luft Platz und sie strömt in der Folge durch die Einbuchtung 4 in das Innere der Verbundpackung und sorgt hiermit für einen stetigen Ausgiess-Strahl. Es ist klar, dass sich auch mit anders geformten Einbuchtungen und anders geformten Rändern ähnliche Resultate erzielen lassen.The indentation 4 forms in its end position an air inlet channel during pouring. If, therefore, the composite package is tilted in the pouring position, then air flows from the outside through this formed air inlet channel into the interior of the composite package. The indentation 4 is shaped so that the air inlet channel tapers against the container interior and is deflected inside the container with a radial component to the spout nozzle. By rejuvenating the air flow is accelerated there, and the further tilting of the composite packing, the liquid can not significantly disturb this incoming air jet, so that it is maintained. The indentation 4, with its side facing the interior of the pouring spout 1, forms a flow resistance for the exiting liquid jet. This has a positive effect on flow dynamics by shaping the jet so that it can not significantly disturb the inflowing air flow and a steady outflow of the liquid is achieved. 5 shows an alternative embodiment of the indentation 4 on the self-opening sleeve 1. This indentation 4 is namely cut parabolic at its upper edge 14. It has been shown that such a parabolic upper edge 14 has a favorable effect on the flow conditions during pouring. In Figure 6 you can see this self-opener sleeve installed in the closure, in its end position, after opening the self-opener closure, here with screwed back afterwards cap. A lower part of the indentation 4 protrudes down here from the spout nozzle 10, while an upper part still protrudes into the spout nozzle 10. However, one recognizes here only a part of the upper parabolic edge 14 of the recess 4. During pouring, the liquid flows past this parabolic edge 14 and is formed by him to an approximately flat jet surface, so that the liquid jet! on this when pouring the upper side, so to speak, a secant forms in the spout nozzle 10. This allows the incoming air space and it flows in the sequence through the indentation 4 in the interior of the composite package, thus ensuring a steady pouring stream. It is clear that similar results can be achieved with differently shaped indentations and differently shaped edges.

[0013] In Figur 7 ist der geöffnete Selbstöffner-Verschluss auf einer Verbundpackung 15 zu sehen. Wie man erkennt, liegt dabei die Einbuchtung 4 in der Selbstöffner-Hülse 1 genau im oberen Zenit in Bezug auf die Kipplage zum Ausgiessen. In dieser Ansicht erkennt man im gezeigten Beispiel eine schraubenlinienförmig verlaufende Auskragung 13 an der Innenseite des Ausguss-Stutzens 10. Diese Führung zum Erzwingen einer Abwärtsbewegung der Selbstöffner-Hülse 1 beim Wegschrauben der Drehkappe kann jedoch auch anders gestaltet sein. Jedenfalls wird die Selbstöffner-Hülse 1 abwärts bewegt, bis sie die hier gezeigte Endlage erreicht. Die Einbuchtung 4 bildet auf ihrer gegen die Innenseite des Ausguss-Stutzens gerichteten Aussenseite einen Luftkanal für die einströmende Luft. Der eintretende Luftstrahl wie auch der austretende Flüssigkeitsstrahl werden durch diese Einbuchtung 4 so geformt, dass der Flüssigkeitsstrahl stetig bleibt und ohne Schwalle zu erzeugen ausströmt. In Figure 7, the open self-opener closure on a composite package 15 can be seen. As can be seen, while the indentation 4 in the self-opening sleeve 1 is exactly in the upper zenith with respect to the tilting position for pouring. In this view can be seen in the example shown a helically extending projection 13 on the inside of the spout-neck 10. This guide for forcing a downward movement of the self-opener sleeve 1 when unscrewing the rotary cap can also be designed differently. In any case, the self-opening sleeve 1 is moved downward until it reaches the end position shown here. The indentation 4 forms on its directed against the inside of the spout nozzle outside an air channel for the incoming air. The incoming air jet as well as the exiting liquid jet are formed by this indentation 4 so that the liquid jet remains steady and flows without generating spills.

Claims

Patentansprüche claims 1. Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälterstutzen, bestehend aus einem Ausguss-Stutzen (10), welcher dichtend auf eine Verbundpackung (15) oder auf einen mit Folienmaterial zu verschliessenden Behälterstutzen montierbar ist, einer zugehörigen Drehkappe (9) sowie einer innerhalb des Ausguss-Stutzens (10) angeordneten Selbstöffner-Hülse (1), welche von der Drehkappe (9) in Bewegung versetzbar ist, dadurch gekennzeichnet, dass die Selbstöffner- Hülse (1 ) zur Bildung eines Lufteinlass-Kanals am oberen Rand eine Einbuchtung (4) bildet, welche gegen unten kleiner wird und in den unteren, in Draufsicht kreisförmigen Rand (6) ausläuft.1. A self-opener closure for composite packages and for container neck to be closed with foil material, consisting of a pour spout (10) which can be mounted sealingly on a composite package (15) or on a container neck to be closed with foil material, an associated rotary cap (9) and a self-opener sleeve (1) disposed within the spout (10), which is displaceable in motion by the rotary cap (9), characterized in that the self-opening sleeve (1) forms an air inlet channel at the upper edge forms a recess (4), which is smaller towards the bottom and in the lower, in plan view circular edge (6) expires. 2. Selbstöffner-Verschluss nach Anspruch 1 , dadurch gekennzeichnet, dass die Selbstöffner-Hülse (1 ) um einen definierten Winkel im Ausguss-Stutzen (10) verdrehbar ist, sodass der Selbstöffner-Verschluss derart montierbar ist, dass er nach Öffnung mit der Einbuchtung (4) an der Selbytöffner-Hülse (1) im oberen Zenit in Bezug auf den Ausguss-Stutzen in dessen Ausgiesslage auf der Verpackung sitzt.2. Self-closing closure according to claim 1, characterized in that the self-opener sleeve (1) is rotatable about a defined angle in the spout nozzle (10), so that the self-opening closure is mountable such that it after opening with the indentation (4) sits on the Selbytöffner sleeve (1) in the upper zenith with respect to the spout nozzle in its pouring position on the packaging. 3. Selbstöffner-Verschluss nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Einbuchtung (4) an der Selbstöffner-Hülse (1 ) eine gewölbte Form aufweist.3. Self-opening closure according to one of the preceding claims, characterized in that the indentation (4) on the self-opener sleeve (1) has a curved shape. 4. Selbstöffner-Verschluss nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Einbuchtung (4) an der Selbstöffner-Hülse (1) schaufei- oder löffeiförmig ausgebildet ist, und gegen den unteren Rand (6) der Selbstöffner-Hülse (1 ) hin mit kleiner werdendem Krümmungsradius ausläuft und schliesslich in den unteren Rand (6) einmündet. 4. Self-opening closure according to one of the preceding claims, characterized in that the indentation (4) on the self-opening sleeve (1) schaufei- or spoon-shaped, and against the lower edge (6) of the self-opener sleeve (1) expires with decreasing radius of curvature and finally opens into the lower edge (6). 5. Selbstöffner-Verschluss nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Einbuchtung (4) an der Selbstöffner-Hülse (1) eine eckige Querschnittsform aufweist.5. Self-closing closure according to claim 1 or 2, characterized in that the indentation (4) on the self-opening sleeve (1) has a polygonal cross-sectional shape. 6. Selbstöffner-Verschluss nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Einbuchtung (4) nach dem Losschrauben der Deckelkappe zum Teil im Innern des Ausguss-Stutzens (10) und zum Teil unterhalb desselben liegt.6. Self-opening closure according to one of the preceding claims, characterized in that the indentation (4) after unscrewing the cover cap partly in the interior of the spout nozzle (10) and partly below it. 7. Selbstöffner-Verschluss nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Einbuchtung an ihrem oberen Rand (14) ausgeschnitten ist.7. Self-opening closure according to one of the preceding claims, characterized in that the indentation is cut out at its upper edge (14). 8. Selbstöffner-Verschluss nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Einbuchtung auf ihrer einen Seite einen radialen Abschnitt zur Bildung einer Schulter (8) zum Anschlagen eines von der Deckelkappe nach unten ragenden Antriebsnockens (11 ) bildet.8. Self-opening closure according to one of the preceding claims, characterized in that the indentation forms on its one side a radial portion for forming a shoulder (8) for striking a cap protruding downwardly from the drive cam (11). 9. Selbstöffner-Verschluss nach Anspruch 7, dadurch gekennzeichnet, dass der Antriebsnocken (11) aussen an der Selbstöffner-Hülse (1) in das Innere der dort konkaven Einbuchtung (4) eingreift.9. self-closing closure according to claim 7, characterized in that the drive cam (11) on the outside of the self-opening sleeve (1) engages in the interior of the concave recess (4) there. 10. Selbstöffner-Verschluss nach Anspruch 7, dadurch gekennzeichnet, dass der Antriebsnocken (11 ) innen an der Selbstöffner-Hülse (1) von aussen an die dort konvexe Einbuchtung (4) anschlägt. 10. Self-opening closure according to claim 7, characterized in that the drive cam (11) strikes the inside of the self-opener sleeve (1) from the outside to the convex indentation (4) there.
EP08772910A 2007-08-22 2008-08-08 Self-opening closure with air inlet channel for composite packaging or for container necks to be sealed with foil material Not-in-force EP2178765B1 (en)

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CH01318/07A CH699909B1 (en) 2007-08-22 2007-08-22 Self-opening closure with air inlet duct for composite packs or foil material to be sealed container neck.
PCT/CH2008/000339 WO2009023976A1 (en) 2007-08-22 2008-08-08 Self-opening closure with air inlet channel for composite packaging or for container necks to be sealed with foil material

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CN101835691B (en) 2011-10-12
ZA201000852B (en) 2010-10-27
EG25222A (en) 2011-11-17
US20100237073A1 (en) 2010-09-23
TWD113302S1 (en) 2006-10-11
EP2178765B1 (en) 2011-06-08
BRPI0815632A2 (en) 2015-02-18
CA2698997A1 (en) 2009-02-26
CH699909B1 (en) 2010-05-31
ATE512067T1 (en) 2011-06-15
RU2010102997A (en) 2011-09-27
RU2468974C2 (en) 2012-12-10
PT2178765E (en) 2011-09-05
BRPI0815632B1 (en) 2018-06-19
US8459478B2 (en) 2013-06-11
HRP20110627T1 (en) 2011-09-30
CN101835691A (en) 2010-09-15
CA2698997C (en) 2014-12-16
PL2178765T3 (en) 2011-11-30
MX2010002000A (en) 2010-07-02
WO2009023976A1 (en) 2009-02-26
ES2367406T3 (en) 2011-11-03

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