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EP1812298A1 - Flat self-opening closure for composite packagings or for container nozzles or bottle necks to be closed by film material - Google Patents

Flat self-opening closure for composite packagings or for container nozzles or bottle necks to be closed by film material

Info

Publication number
EP1812298A1
EP1812298A1 EP05798732A EP05798732A EP1812298A1 EP 1812298 A1 EP1812298 A1 EP 1812298A1 EP 05798732 A EP05798732 A EP 05798732A EP 05798732 A EP05798732 A EP 05798732A EP 1812298 A1 EP1812298 A1 EP 1812298A1
Authority
EP
European Patent Office
Prior art keywords
self
cap
opener
sleeve
flat
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
EP05798732A
Other languages
German (de)
French (fr)
Other versions
EP1812298B1 (en
Inventor
Gregor Ott
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 PL05798732T priority Critical patent/PL1812298T3/en
Publication of EP1812298A1 publication Critical patent/EP1812298A1/en
Application granted granted Critical
Publication of EP1812298B1 publication Critical patent/EP1812298B1/en
Active 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
    • 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
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure

Definitions

  • This invention relates to a flat self-opener closure for composite packages as well as with foil material to be sealed container neck or bottle 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 Generally, liquids are also packaged from the non-food area.
  • the closure can also be used for composite packages in which bulk goods such as sugar, semolina or all kinds of chemicals and the like are stored or packaged.
  • 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-opening closure can also be mounted on containers that are closed by a foil material, for example on all kinds of bottles made of glass or plastic or on similar containers.
  • a foil material for example on all kinds of bottles made of glass or plastic or on similar containers.
  • Such closures made of plastic are known in various designs. They form, when they are intended for a composite package, essentially a spout with radially projecting from its lower edge shoulder, which is a final closing on this spout Flange forms.
  • 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 being sealed or glued to the composite package with the underside of its overhanging edge, that is to say with the underside of its flange.
  • the free passage at the lower end of the nozzle is then closed by the paper and the sealing film of the composite package.
  • the pouring spout in turn, can be plugged or screwed onto a bottle mouth and closed on its inside with a film membrane.
  • the nozzle is equipped with an external thread on which then the threaded cap can be screwed as a closure.
  • a sleeve is arranged in the interior of the nozzle, which is pressed axially upon rotation of the screwed cap of this and is then rotated by this in the same direction of rotation.
  • the lower edge of the sleeve is equipped with one or more lancing or incisors.
  • This self-opener sleeve, the spout nozzle and the rotary cap are equipped with guide and power transmission means, which cooperate with each other such that the first time turning the rotary cap in the opening direction, the self-opening sleeve is first in the spout nozzle without rotation axially downwards bumpable and is then rotatable about its axis without axial movement.
  • the self-opener sleeve has only a single combined piercing and cutting member, so the sleeve must have a certain length in relation to their diameter, which allows their stable leadership in the spout nozzle in the axial direction, so that tilting reliable is avoided. This requires a corresponding height of the self-opener closure.
  • the self-opening sleeve must be made relatively heavy and solid to accommodate the reaction forces emanating from a single lancing and cutting member.
  • the Clearö Samuelsgarantie at such a closure is usually guaranteed by a guarantee ring is formed on a plurality of predetermined breaking points at the bottom of the cap, in which case the guarantee ring is bounced during initial assembly over a bead on the spout nozzle.
  • a guarantee ring is formed on a plurality of predetermined breaking points at the bottom of the cap, in which case the guarantee ring is bounced during initial assembly over a bead on the spout nozzle.
  • To open the cap for the first time many individual predetermined breaking points must be broken at the same time, which requires a correspondingly large amount of force.
  • this self-opener closure is to achieve a much flatter and lighter design with lower height, the self-opener sleeve. nevertheless the film opens reliably and tilting.
  • the self-opener closure should also use less plastic material thanks to its low height.
  • this self-opener closure is also intended to provide a tamper evident guarantee that is easier for the operator of the closure to overcome.
  • This first-opening guarantee should also be flatter and lighter at the same time, ie using less plastic material.
  • a flat self-opening Closure for composite packages as well as for container or bottle neck to be closed with film material consisting of a spout nozzle which is sealingly mountable on a composite package or on a container or bottle neck to be sealed with film material, an associated rotary cap and a within the spout nozzle angeord ⁇ Neten self-opener sleeve, which is displaceable by the rotary cap in rotation, wherein the self-opener sleeve at its lower edge and projecting therefrom at least one combined lancing and cutting member, and is characterized in that the self-opening sleeve on her Inside extending to the center of the sleeve extending nail-shaped projections with nail shank and nail head whose Nagelschaft and Nagelkopfunterseite are determined as guides for concentric to the cap rotation axis ange ⁇ arranged on the inside of the cap cylinder wall segments, each one to the underside of the lid form an acute angle extending inclined surface and
  • Figure 1 The self-opener closure with its three components in disassembled state in a perspective view
  • Figure 2 The self-opener closure with its three components in auseinan ⁇ derêtem state in a perspective view, but with the individual components in a cross-sectional view;
  • Figure 3 The self-opener closure in the assembled state in a perspective view, in a sectional view.
  • Figure 1 shows the self-opener closure with its three components in a disassembled state shown in perspective, the view of obliquely falling on top of the closure. It can be seen above the rotary cap 1, in the middle of the self-opening sleeve 2 and the bottom of the spout 3.
  • the rotary cap 1 is designed as a threaded cap and equipped accordingly with an internal thread, which fits on the external thread 4 on the spout 3.
  • the self-opener sleeve 2 has as its first essential feature at its lower edge and from this downwardly projecting three combined lancing and Sch ⁇ eidorgane 5-7.
  • lancing and cutting organs Two of these lancing and cutting organs, namely the lancing and cutting member 5 and 6, are diametrically opposed, while the third lancing and cutting member 7 between 85 ° and 100 ° of the circumference of the self-opening sleeve of the other two lancing and cutting members 5 and 6 removed at its lower edge 8 is formed.
  • the self-opener sleeve 2 on its inside three evenly distributed around the circumference, extending to the center of the sleeve extending, nail-shaped projections 9,10,11 with nail shank 12 and nail head 13 on.
  • the actual nail shank 12 of each of these projections 9-11 and the underside of the respective nail heads 13 act as guides and power transmission elements for three concentric with the cap rotation axis arranged on the inside of its lid cylinder wall segments, which are still visible in a further illustration of the cap 1.
  • the self-opening sleeve has a slightly projecting edge 14, ⁇ from the outside thereof on certain portions of the circumference of recesses 29 are provided.
  • axially extending ribs 15-17 are formed on the outer wall of the self-opener sleeve 2 axially extending ribs 15-17 are formed. These cooperate with corresponding axial ribs 18 and horizontal ribs 19 on the inside of the spout 3, as will be explained.
  • the self-opener sleeve 2 is used for mounting the closure in the correct rotational position in the spout 3 and then the cap 1 together with the integrally formed on the material bridges 22-24 plate 21 aufprellt on the thread 4 of the spout 2 and the element 21 is then pressed with its bolts on its underside into the holes in the spout flange 20.
  • the fine material bridges 22-24 are broken. Because these bridges of material 22-24 are arranged parallel to the spout and not all radially, they do not all break at the same time. First, the material bridge 24 is stretched and breaks, then follows the middle material bridge 23 and finally breaks the material bridge 22. This successive breaking of the material bridges 22-24 less effort is required than in previous solutions, which requires the simultaneous breaking of a variety of material bridges made. Therefore, the thus-designed first-time guarantee can be easily overcome even by older and weak people. In a variant, the middle, here arranged radially to the nozzle material bridge 23 previously 'mechanically punched, so that the finished closure only the two outer material bridges 24 and 22 must be broken successively by turning the cap 1.
  • the self-opening sleeve 2 can not rotate initially, but only move axially downwards. It deviates, when the rotary cap 1 is rotated counterclockwise when seen from above, therefore, downwards and is thus pushed in the spout 3 axially downwards, while the inclined surfaces 27 slide over the shafts 12 of the Nageiförmigen 9-11 formations until the Sliding surfaces 28 on the nail shafts 12 find a stop.
  • the self-opening sleeve 2 has been pushed so far axially downwards that it now lies with its upper edge 14 below the vertical ribs 18.
  • the horizontal ribs 19 could be passed from the upper edge 14 of the self-opening sleeve 2, because the recesses 29 in this edge opposite the horizontal ribs 19.
  • the Döffnerhülse 2 have their three piercing and cutting members 5-7 pierced a running under her foil.
  • the three lancing and cutting members 5-7 cut counterclockwise each along the hole perimeter the pouring spout 3 a cut in the film, and in total by a rotation angle of about 120 °.
  • the threaded cap 1 is further unscrewed on the spout 3 and it moves upward, so finally the cylinder wall segments 26 are above the projections 9-11 and the sliding surfaces 28 of these projections 9-11 and thus the self-opening sleeve 2 do not turn any further.
  • the two piercing and cutting members 5 and 6 are arranged at 180 ° apart, they leave a piece of film along the circumference of the spout neck 2 unauf published in a rotation of the self-opener sleeve 2 by about 120 °.
  • the foil is folded down in the spout directly around this intact piece and continues to hang in the opening without falling into the package.
  • FIG. 3 shows the closure in an axial section in the assembled state.
  • the cylinder wall segments 26 which are integrally formed on the bottom of the lid of the threaded cap 1, with the nail-shaped projections 9-11, of which only the Anformung 11 is visible here, cooperate.
  • the inclined surface 27 presses on the nail shank 12 of the adjacent Anformung 11.
  • the Döffnerhülse 2 can not rotate and is therefore inevitably pressed down, the piercing and cutting elements. 5 -7, of which only the piercing and cutting member 7 is visible here, the underlying. Pierce the foil.
  • This self-opening closure is characterized by a particularly flat Construction on.
  • the nail-shaped, in the radial direction inwardly projecting projections 9,10,11 it is possible to build the self-opening sleeve 2 is particularly easy and low. Nevertheless, it is reliably guided in the axial direction because the shafts 12 and nail heads 13 of the nail-shaped projections 9,10,11 act as guides when the rotary cap 1 with the downwardly directed cylinder wall segments 26 at these projections 9,10,11 into engagement come.
  • the self-opening sleeve 2 can be so low in ratio that the ratio of their height without the lancing and cutting members 5-7 to their inner diameter is only 1: 3, or together with the piercing and cutting members 5-7 only 1: 2.
  • the total height of the assembled closure including the lid 1, self-opener sleeve 2 and spout 3 is in relation to the inner diameter of the spout 3 only 3: 5.
  • a very flat self-opener closure is created, which also because of the filigree design of the self-opener sleeve 2 with little material and correspondingly low weight and still fully functional.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Abstract

A self-opening closure includes a pouring sport, a screw cap and a self-opening cylinder, which is disposed inside the pouring spout and can be set rotating by the screw cap. The self-opening cylinder) on its lower rim and protruding therefrom, are three combined piercing and cutting elements. The interior of the self-opening cylinder has three nail-type integrally molded elements, evenly distributed and extending toward the center of the cylinder, which have a nail shank and a nail head. The nail shank and the bottom side of the nail head of each element acts as a guide for one of the three cylinder wall segments located on the interior of the cap, concentrically to the axis of rotation of the cap. The screw cap, on its lower rim, is connected to a flat retaining element by at least two material bridges extending non-radially in relation thereto that are configured as predetermined breaking points. The retaining element can engage with a flange on the pouring spout, in a horizontal position, with pins.

Description

Flacher Selbstöffner-Verschluss für Verbundpackunqen oder für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen Flat self-opener closure for composite packages or for container or bottle nozzles to be closed with foil material
[0001] Diese Erfindung betrifft einen flachen Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälterstutzen oder Flaschenstutzen 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. Der Verschluss kann aber auch für Verbundpackungen eingesetzt werden, in denen schüttfähige Güter wie etwa Zucker, Gries oder allerlei Chemikalien und ähnliches aufbewahrt bzw. 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 Flaschen aus Glas oder Kunststoff oder an ähnlichen Behältern. Derartige Verschlüsse aus Kunststoff sind in verschiedenen Ausführungen bekannt. 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 Flan- sches, auf die Verbundpackung dichtend aufgeschweisst oder geklebt wird. Der freie Durchgang am unteren Ende des Stutzens ist danach vom Papier und der Dichtfolie der Verbundpackung verschlossen. Im Falle eines Flaschenver¬ schlusses ist der Ausguss-Stutzen seinerseits auf eine Flaschenmündung aufsteck- oder aufschraubbar und auf seiner Innenseite mit einer Folienmembran verschlossen. Der Stutzen ist mit einem Aussengewinde ausgerüstet, auf welches dann die Gewindekappe als Verschluss aufgeschraubt werden kann.This invention relates to a flat self-opener closure for composite packages as well as with foil material to be sealed container neck or bottle 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 Generally, liquids are also packaged from the non-food area. The closure can also be used for composite packages in which bulk goods such as sugar, semolina or all kinds of chemicals and the like are stored or packaged. 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-opening closure can also be mounted on containers that are closed by a foil material, for example on all kinds of bottles made of glass or plastic or on similar containers. Such closures made of plastic are known in various designs. They form, when they are intended for a composite package, essentially a spout with radially projecting from its lower edge shoulder, which is a final closing on this spout Flange forms. 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 being sealed or glued to the composite package with the underside of its overhanging edge, that is to say with the underside of its flange. The free passage at the lower end of the nozzle is then closed by the paper and the sealing film of the composite package. In the case of a bottle closure, the pouring spout, in turn, can be plugged or screwed onto a bottle mouth and closed on its inside with a film membrane. The nozzle is equipped with an external thread on which then the threaded cap can be screwed as a closure.
[0002] Das unterhalb des aufgeschweissten oder geklebten 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 oder das Schüttgut aus dem Behälter durch den Stutzen ausgegossen bzw. ausgeschüttet werden kann. Hierzu ist im Innern des Stutzens eine Hülse angeordnet, welche beim Drehen der aufgeschraubten Kappe von dieser axial nach unten gedrückt wird und anschliessend durch diese in gleicher Umdrehungsrichtung gedreht wird. Der untere Rand der Hülse ist mit einem oder mehreren Stech- oder Schneidezähnen ausgestattet. Dadurch soll die Hülse infolge ihrer axialen Abwärtsbewegung und der folgenden Drehung eine Scheibe aus dem unter ihr durchlaufenden folienverstärkten Papier oder der dortigen Folienmembran heraus- schneiden.The below the welded or glued neck continuous film-reinforced paper or extending within the nozzle membrane must be cut open to be opened, torn or pushed away, so that the passage is released and the liquid or bulk material poured out of the container through the nozzle or can be distributed. For this purpose, a sleeve is arranged in the interior of the nozzle, which is pressed axially upon rotation of the screwed cap of this and is then rotated by this in the same direction of rotation. The lower edge of the sleeve is equipped with one or more lancing or incisors. As a result, due to its axial downward movement and the subsequent rotation, the sleeve is intended to cut out a disk from the film-reinforced paper passing through it or the film membrane there.
[0003] Herkömmliche solche Selbstöffner-Verschlüsse bestehen aus einem Ausguss-Stutzen, welcher dichtend auf eine Verbundpackung oder auf einen mit Folienmaterial zu verschliessenden Behälter- oder Flaschenstutzen montierbar ist, einer zugehörigen Drehkappe sowie einer innerhalb des Ausguss-Stutzens angeordneten Selbstöffner-Hülse, welche von der Drehkappe in Drehung versetz¬ bar ist. Neuste Konstruktionen weisen eine Selbstöffner-Hülse mit an ihrem unteren Rand und von diesem abstehend mindestens einem einzelnen kombinierten Stech- und Schneidorgan. Diese Selbstöffner-Hülse, der Ausguss- Stutzen sowie die Drehkappe sind mit Führungs- und Kraftübertragungsmitteln ausgerüstet sind, die derart miteinander zusammenwirken, dass beim erstmaligen Drehen der Drehkappe in Öffnungsrichtung die Selbstöffner-Hülse zunächst im Ausguss-Stutzen ohne Drehung axial abwärts stossbar ist und anschliessend ohne Axialbewegung um ihre Achse drehbar ist.Conventional such self-closing closures consist of a spout nozzle which is sealingly mountable on a composite package or on a container or bottle neck to be closed with film material, an associated rotary cap and arranged within the spout nozzle self-opening sleeve, which from the rotary cap in rotation versetz¬ bar is. Recent constructions have a self-opener sleeve at its lower edge and spaced therefrom at least a single one Combined lancing and cutting member. This self-opener sleeve, the spout nozzle and the rotary cap are equipped with guide and power transmission means, which cooperate with each other such that the first time turning the rotary cap in the opening direction, the self-opening sleeve is first in the spout nozzle without rotation axially downwards bumpable and is then rotatable about its axis without axial movement.
[0004] Wenn die Selbstöffner-Hülse jedoch bloss ein einzelnes kombiniertes Stech- und Schneidorgan aufweist, so muss die Hülse im Verhältnis zu ihrem Durchmesser eine bestimmte Länge haben, welche ihre stabile Führung im Ausguss-Stutzen in axialer Richtung erlaubt, sodass ein Verkanten zuverlässig vermieden wird. Das bedingt eine entsprechende Bauhöhe des Selbstöffner- Verschlusses. Ausserdem muss die Selbstöffner-Hülse relativ schwer und solide ausgeführt sein, um die Reaktionskräfte aufzunehmen, die von einem einzelnen Stech- und Schneidorgan ausgehen. Die Erstöffnungsgarantie an einem solchen Verschluss wird meist gewährleistet, indem am unteren Rand der Kappe ein Garantiering über eine Vielzahl von Sollbruchstellen angeformt ist, wobei dann der Garantiering bei der Erstmontage über einen Wulst am Ausguss-Stutzen geprellt wird. Zum erstmaligen Öffnen der Kappe müssen viele einzelne Sollbruchstellen gleichzeitig gebrochen werden, was einen entsprechend grossen Krafteinsatz erfordert.However, if the self-opener sleeve has only a single combined piercing and cutting member, so the sleeve must have a certain length in relation to their diameter, which allows their stable leadership in the spout nozzle in the axial direction, so that tilting reliable is avoided. This requires a corresponding height of the self-opener closure. In addition, the self-opening sleeve must be made relatively heavy and solid to accommodate the reaction forces emanating from a single lancing and cutting member. The Erstöffnungsgarantie at such a closure is usually guaranteed by a guarantee ring is formed on a plurality of predetermined breaking points at the bottom of the cap, in which case the guarantee ring is bounced during initial assembly over a bead on the spout nozzle. To open the cap for the first time many individual predetermined breaking points must be broken at the same time, which requires a correspondingly large amount of force.
[0005] Die grundsätzliche Aufgabe dieses Selbstöffner-Verschluss ist es, eine wesentlich flachere und leichtere Ausführung mit geringerer Bauhöhe zu erzielen, wobei die Selbstöffner-Hülse. trotzdem die Folie zuverlässig und Verkantung öffnet. Der Selbstöffner-Verschluss soll dank seiner geringen Bauhöhe auch weniger Kunststoffmaterial beanspruchen. In einer besonderen Ausführung soll dieser Selbstöffner-Verschluss darüber hinaus eine Erstöffnungsgarantie bieten, die für den Bediener des Verschlusses leichter zu überwinden ist. Diese Erstöffnungsgarantie soll zudem ebenfalls flacher und gleichzeitig leichter, das heisst unter Einsatz von weniger Kunststoffmaterial ausgeführt sein.The basic object of this self-opener closure is to achieve a much flatter and lighter design with lower height, the self-opener sleeve. nevertheless the film opens reliably and tilting. The self-opener closure should also use less plastic material thanks to its low height. In a particular embodiment, this self-opener closure is also intended to provide a tamper evident guarantee that is easier for the operator of the closure to overcome. This first-opening guarantee should also be flatter and lighter at the same time, ie using less plastic material.
[0006] Diese grundsätzliche Aufgabe wird gelöst von einem flachen Selbstöffner- Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen, bestehend aus einem Ausguss-Stutzen, welcher dichtend auf eine Verbundpackung oder auf einen mit Folienmaterial zu verschliessenden Behälter- oder Flaschenstutzen montierbar ist, einer zugehörigen Drehkappe sowie einer innerhalb des Ausguss-Stutzens angeord¬ neten Selbstöffner-Hülse, welche von der Drehkappe in Drehung versetzbar ist, wobei die Selbstöffner-Hülse an ihrem unteren Rand und von diesem abstehend mindestens ein kombiniertes Stech- und Schneidorgan aufweist, und sich dadurch auszeichnet, dass die Selbstöffner-Hülse an ihrer Innenseite sich zum Zentrum der Hülse erstreckende nageiförmige Anformungen mit Nagelschaft und Nagelkopf aufweist, deren Nagelschaft und Nagelkopfunterseite als Führungen für konzentrisch zur Kappendrehachse auf der Innenseite des Kappendeckels ange¬ ordnete Zylinderwandsegmente bestimmt sind, die je eine zur Deckelunterseite spitzwinklig verlaufende Schrägfläche und eine daran anschliessende senkrecht zur Deckelfläche verlaufende Schiebefläche bilden. Die spezielle Ausführung der Erstöffnungsgarantie geht aus den abhängigen Ansprüchen hervor.[0006] This basic object is achieved by a flat self-opening Closure for composite packages as well as for container or bottle neck to be closed with film material, consisting of a spout nozzle which is sealingly mountable on a composite package or on a container or bottle neck to be sealed with film material, an associated rotary cap and a within the spout nozzle angeord¬ Neten self-opener sleeve, which is displaceable by the rotary cap in rotation, wherein the self-opener sleeve at its lower edge and projecting therefrom at least one combined lancing and cutting member, and is characterized in that the self-opening sleeve on her Inside extending to the center of the sleeve extending nail-shaped projections with nail shank and nail head whose Nagelschaft and Nagelkopfunterseite are determined as guides for concentric to the cap rotation axis ange¬ arranged on the inside of the cap cylinder wall segments, each one to the underside of the lid form an acute angle extending inclined surface and an adjoining perpendicular to the lid surface sliding surface. The special execution of the first-opening guarantee is evident from the dependent claims.
[0007] In den Figuren ist eine vorteilhafte Ausführung dieses Selbstöffner-Ver¬ schlusses für Verbundpackungen in verschiedenen Ansichten dargestellt. Anhand dieser Figuren wird dieser Selbstöffner-Verschluss nachfolgend im einzelnen be¬ schrieben und seine Funktion wird erläutert und erklärt.In the figures, an advantageous embodiment of this self-opening closure for composite packings is shown in different views. Based on these figures, this self-opening closure will be described in detail below and its function will be explained and explained.
Es zeigt:It shows:
Figur 1 : Den Selbstöffner-Verschluss mit seinen drei Bestandteilen in demontiertem Zustand in einer perspektivischen Darstellung;Figure 1: The self-opener closure with its three components in disassembled state in a perspective view;
Figur 2: Den Selbstöffner-Verschluss mit seinen drei Bestandteilen in auseinan¬ dergenommenem Zustand in einer perspektivischen Darstellung, jedoch mit den einzelnen Bestandteilen in je einer Schnittdarstellung;Figure 2: The self-opener closure with its three components in auseinan¬ dergenommenem state in a perspective view, but with the individual components in a cross-sectional view;
Figur 3: Den Selbstöffner-Verschluss in zusammengesetztem Zustand in einer perspektivischen Darstellung, in einer Schnittdarstellung. [0008] Die Figur 1 zeigt den Selbstöffner-Verschluss mit seinen drei Bestandteilen in auseinandergenommenem Zustand perspektivisch gesehen dargestellt, wobei der Blick von schräg oben auf den Verschluss fällt. Man erkennt oben die Drehkappe 1 , in der Mitte die Selbstöffner-Hülse 2 und unten den Ausguss- Stutzen 3. Die Drehkappe 1 ist als Gewindekappe ausgeführt und entsprechend mit einem Innengewinde ausgerüstet, welches auf das Aussengewinde 4 am Ausguss-Stutzen 3 passt. Die Selbstöffner-Hülse 2 weist als erstes wesentliches Merkmal an ihrem unteren Rand und von diesem nach unten abstehend drei kombinierte Stech- und Schήeidorgane 5-7 auf. Zwei dieser Stech- und Schneid¬ organe, nämlich das Stech- und Schneidorgan 5 und 6, liegen einander diametral gegenüber, während das dritte Stech- und Schneidorgan 7 zwischen 85° und 100° des Umfanges der Selbstöffner-Hülse von den beiden anderen Stech- und Schneidorganen 5 und 6 entfernt an ihrem unteren Rand 8 angeformt ist.Figure 3: The self-opener closure in the assembled state in a perspective view, in a sectional view. Figure 1 shows the self-opener closure with its three components in a disassembled state shown in perspective, the view of obliquely falling on top of the closure. It can be seen above the rotary cap 1, in the middle of the self-opening sleeve 2 and the bottom of the spout 3. The rotary cap 1 is designed as a threaded cap and equipped accordingly with an internal thread, which fits on the external thread 4 on the spout 3. The self-opener sleeve 2 has as its first essential feature at its lower edge and from this downwardly projecting three combined lancing and Schήeidorgane 5-7. Two of these lancing and cutting organs, namely the lancing and cutting member 5 and 6, are diametrically opposed, while the third lancing and cutting member 7 between 85 ° and 100 ° of the circumference of the self-opening sleeve of the other two lancing and cutting members 5 and 6 removed at its lower edge 8 is formed.
[0009] Weiter weist die Selbstöffner-Hülse 2 an ihrer Innenseite drei um den Umfang gleichmässig verteilt angeordnete, sich zum Zentrum der Hülse erstreckende, nageiförmige Anformungen 9,10,11 mit Nagelschaft 12 und Nagelkopf 13 auf. Der eigentliche Nagelschaft 12 jeder dieser Anformungen 9-11 sowie die Unterseite der jeweiligen Nagelköpfe 13 wirken als Führungen und Kraftübertragungselemente für drei konzentrisch zur Kappendrehachse auf der Innenseite ihres Deckels angeordnete Zylinderwandsegmente, die in einer weiteren Darstellung der Kappe 1 noch sichtbar werden. Am oberen Rand weist die Selbstöffner-Hülse 2 einen leicht auskragenden Rand 14 auf, von dessen Aussenseite her über gewisse Abschnitte des Umfanges Ausnehmungen 29 vorhanden ■ sind. An der Aussenwand der Selbstöffner-Hülse 2 sind axial verlaufende Rippen 15-17 angeformt. Diese wirken mit entsprechenden axialen Rippen 18 und horizontalen Rippen 19 an der Innenseite des Ausguss-Stutzens 3 zusammen, wie das noch erklärt wird.Next, the self-opener sleeve 2 on its inside three evenly distributed around the circumference, extending to the center of the sleeve extending, nail-shaped projections 9,10,11 with nail shank 12 and nail head 13 on. The actual nail shank 12 of each of these projections 9-11 and the underside of the respective nail heads 13 act as guides and power transmission elements for three concentric with the cap rotation axis arranged on the inside of its lid cylinder wall segments, which are still visible in a further illustration of the cap 1. At the upper edge 2, the self-opening sleeve has a slightly projecting edge 14, ■ from the outside thereof on certain portions of the circumference of recesses 29 are provided. On the outer wall of the self-opener sleeve 2 axially extending ribs 15-17 are formed. These cooperate with corresponding axial ribs 18 and horizontal ribs 19 on the inside of the spout 3, as will be explained.
[0010] Am Ausguss-Stutzen 3 erkennt man den Flansch 20. Auf der hier vorderen Seite des Flansches 20 liegt auf demselben eine Platte 21 auf, die mittels Bolzen an seiner Unterseite auf dem Flansch 20 eingerastet ist, indem der Flansch 20 zu diesen Bolzen passende Löcher aufweist, in welchen die Bolzen eingeführt sind. An diesem Element 21 erkennt man drei feine Materialbrücken 22-24, die hier parallel zueinander angeordnet sind, sodass also mindestens die beiden äusseren 22,24 jedenfalls nicht radial zum Ausguss-Stutzen 3 verlaufen. Ursprünglich, das heisst am fertig montierten Verschluss sind diese Material brücken 22-24 einstückig mit dem unteren Rand 25 der Kappe 1 verbunden. Die Selbstöffner- Hülse 2 wird für die Montage des Verschlusses in richtiger Drehlage in den Ausguss-Stutzen 3 eingesetzt und hernach wird die Kappe 1 mitsamt der an ihm über die Materialbrücken 22-24 angeformten Platte 21 auf das Gewinde 4 des Ausguss-Stutzens 2 aufgeprellt und das Element 21 wird hernach mit seinen Bolzen an seiner Unterseite in die Löcher im Ausguss-Stutzenflansch 20 gepresst.On the spout-neck 3 you can see the flange 20. On the front side of the flange 20 is on the same plate 21, which is locked by means of bolts on its underside on the flange 20 by the flange 20 to this bolt has matching holes in which the bolts are inserted. At this element 21 can be seen three fine material bridges 22-24, which are arranged here parallel to each other, so that at least the two outer 22,24 anyway not radially to the spout 3 run. Originally, that is, on the fully assembled closure, these material bridges 22-24 are integrally connected to the lower edge 25 of the cap 1. The self-opener sleeve 2 is used for mounting the closure in the correct rotational position in the spout 3 and then the cap 1 together with the integrally formed on the material bridges 22-24 plate 21 aufprellt on the thread 4 of the spout 2 and the element 21 is then pressed with its bolts on its underside into the holes in the spout flange 20.
[0011] Wenn hernach die Kappe 1 in Öffnungsrichtung, das heisst von oben gesehen im Gegenuhrzeigersinn gedreht wird, wie das mit Pfeilen auf der Kappenoberseite angezeigt ist, werden zunächst die feinen Materialbrücken 22-24 gebrochen. Weil diese Materialbrücken 22-24 parallel zum Ausguss-Stutzen angeordnet sind und nicht alle radial, brechen sie nicht alle gleichzeitig. Zuerst wird die Materialbrücke 24 gespannt und bricht, hernach folgt die mittlere Materialbrücke 23 und schliesslich bricht noch die Materialbrücke 22. Durch dieses aufeinanderfolgende Brechen der Materialbrücken 22-24 ist weniger Kraftaufwand nötig als bei bisherigen Lösungen, welche das gleichzeitige Brechen einer Vielzahl von Materialbrücken nötig machte. Deshalb kann die so gestaltete Erstöffnungsgarantie auch von älteren und schwächlichen Menschen ohne weiteres überwunden werden. In einer Variante kann auch die mittlere, hier radial zum Stutzen angeordnete Materialbrücke 23 zuvor ' maschinell durchgestanzt werden, sodass am fertigen Verschluss nur noch die beiden äusseren Materialbrücken 24 und 22 nacheinander durch Drehen der Kappe 1 gebrochen werden müssen.If afterwards the cap 1 is rotated in the opening direction, that is, seen from above in the counterclockwise direction, as indicated by arrows on the cap top, first the fine material bridges 22-24 are broken. Because these bridges of material 22-24 are arranged parallel to the spout and not all radially, they do not all break at the same time. First, the material bridge 24 is stretched and breaks, then follows the middle material bridge 23 and finally breaks the material bridge 22. This successive breaking of the material bridges 22-24 less effort is required than in previous solutions, which requires the simultaneous breaking of a variety of material bridges made. Therefore, the thus-designed first-time guarantee can be easily overcome even by older and weak people. In a variant, the middle, here arranged radially to the nozzle material bridge 23 previously 'mechanically punched, so that the finished closure only the two outer material bridges 24 and 22 must be broken successively by turning the cap 1.
[0012] In Figur 2 sieht man den Selbstöffner-Verschluss mit seinen drei Bestandteilen in auseinandergenommenem Zustand in einer perspektivischen Darstellung. Hier sind die einzelnen Bestandteile je in einer Schnittdarstellung gezeigt, nämlich in einem Axialschnitt. Im Gegensatz zur Figur 1 sieht man hier Teile der drei konzentrisch zur Kappendrehachse auf der Innenseite des Deckels angeordneten Zylinderwandsegmente 26. Diese Zylinderwandsegmente 26 weisen alle eine spitzwinklig zur Deckelunterseite verlaufende Schrägfläche 27 auf, an welche eine zur Deckelunterseite senkrecht verlaufende Schiebefläche 28 anschliesst. Beim zusammengesetzten Verschluss und wenn die Drehkappe 1 im Gegenuhrzeigersinn gedreht wird, wirkt diese Schrägfläche 27 auf denIn Figure 2 you can see the self-opener closure with its three components in disassembled state in a perspective view. Here, the individual components are each shown in a sectional view, namely in an axial section. In contrast to Figure 1 you can see here Parts of the three concentric with the cap rotation axis on the inside of the lid arranged cylinder wall segments 26. These cylinder wall segments 26 all have an acute angle to the underside of the lid extending inclined surface 27, to which a bottom of the lid perpendicular sliding surface 28 connects. In the assembled closure and when the rotary cap 1 is rotated counterclockwise, this inclined surface 27 acts on the
Nagelschaft 12 der nageiförmigen Anformung 11 an der Innenwand derNagelschaft 12 of the nail-shaped Anformung 11 on the inner wall of the
Selbstöffner-Hülse' '2. Das Gleiche trifft zu für die Schrägflächen 27 der zwei weiteren Zylinderwandsegmente 26. Weil die Zylinderwandsegmente 26 an den nageiförmigen Ausformungen 9-11 geführt sind, können sie nicht durch eineSelf-opener sleeve '' 2. The same applies to the inclined surfaces 27 of the two other cylinder wall segments 26. Because the cylinder wall segments 26 are guided on the nail-shaped formations 9-11, they can not by a
Verbiegung gegen innen ausweichen. Diese Führung durch die Anformungen 9-11 ermöglicht es, dass die Zylinderwandsegmente 26 wesentlich dünner und somit leichter ausgeführt werden können als bei bisherigen Konstruktionen.Dodge bending against inside. This guidance through the projections 9-11 makes it possible for the cylinder wall segments 26 to be made substantially thinner and thus lighter than in previous constructions.
[0013] Wegen der Führungsrippen an der Aussenseite der Selbstöffner-Hülse 2 sowie jener an der Innenseite des Ausguss-Stutzens 3 kann sich die Selbstöffner- Hülse 2 zunächst nicht drehen, sondern nur axial nach unten verschieben. Sie weicht, wenn die Drehkappe 1 von oben gesehen im Gegenuhrzeigersinn gedreht wird, deshalb nach unten aus und wird also im Ausguss-Stutzen 3 axial nach unten geschoben, während die Schrägflächen 27 über die Schäfte 12 der nageiförmigen Ausformungen 9-11 gleiten, bis die Schiebeflächen 28 an den Nagelschäften 12 einen Anschlag finden.Because of the guide ribs on the outside of the self-opening sleeve 2 and that on the inside of the spout neck 3, the self-opening sleeve 2 can not rotate initially, but only move axially downwards. It deviates, when the rotary cap 1 is rotated counterclockwise when seen from above, therefore, downwards and is thus pushed in the spout 3 axially downwards, while the inclined surfaces 27 slide over the shafts 12 of the Nageiförmigen 9-11 formations until the Sliding surfaces 28 on the nail shafts 12 find a stop.
[0014] Dabei ist aber die Selbstöffner-Hülse 2 soweit axial nach unten geschoben worden, dass sie nunmehr mit ihrem oberen Rand 14 unterhalb der vertikalen Rippen 18 liegt. Die horizontalen Rippen 19 konnten vom oberen Rand 14 der Selbstöffnerhülse 2 passiert werden, weil die Ausnehmungen 29 in diesem Rand den horizontalen Rippen 19 gegenüberlagen. Im Zuge dieses axialen Niederstossens der Selbstöffnerhülse 2 haben ihre drei Stech- und Schneidorgane 5-7 eine unter ihr verlaufende Folie durchstochen. Beim weiteren Drehen der Kappe 1 in Löserichtung wird die Selbstöffnerhülse 2 nicht weiter abwärtsgestossen, sondern jetzt rein horizontal gedreht. Dabei schneiden die drei Stech- und Schneidorgane 5-7 im Gegenuhrzeigersinn je längs des Lochumfangs des Ausgiess-Stutzens 3 einen Schnitt in die Folie, und zwar insgesamt um einen Drehwinkel von ca. 120°. Über ca. diesen Drehbereich wird die Gewindekappe 1 auf dem Ausguss-Stutzen 3 weiter losgeschraubt und bewegt sich dabei aufwärts, sodass schliesslich die Zylinderwandsegmente 26 über den Anformungen 9-11 liegen und deren Schiebeflächen 28 diese Anformungen 9-11 und somit die Selbstöffner-Hülse 2 nicht mehr weiterdrehen. Weil die zwei Stech- und Schneidorgane 5 und 6 um 180° voneinander entfernt angeordnet sind, lassen sie bei einer Drehung der Selbstöffner-Hülse 2 um ca. 120° ein Stück Folie längs des Umfangs des Ausguss-Stutzens 2 unaufgeschnitten. Die Folie wird im Ausguss- Stutzen genau um dieses unversehrt bleibende Stück nach unten geklappt und hängt weiterhin in der Öffnung, ohne in die Verpackung hineinzufallen.In this case, however, the self-opening sleeve 2 has been pushed so far axially downwards that it now lies with its upper edge 14 below the vertical ribs 18. The horizontal ribs 19 could be passed from the upper edge 14 of the self-opening sleeve 2, because the recesses 29 in this edge opposite the horizontal ribs 19. In the course of this axial Niederstossens the Selbstöffnerhülse 2 have their three piercing and cutting members 5-7 pierced a running under her foil. Upon further rotation of the cap 1 in the release direction, the self-opening sleeve 2 is not further pushed down, but now turned purely horizontally. The three lancing and cutting members 5-7 cut counterclockwise each along the hole perimeter the pouring spout 3 a cut in the film, and in total by a rotation angle of about 120 °. About about this range of rotation, the threaded cap 1 is further unscrewed on the spout 3 and it moves upward, so finally the cylinder wall segments 26 are above the projections 9-11 and the sliding surfaces 28 of these projections 9-11 and thus the self-opening sleeve 2 do not turn any further. Because the two piercing and cutting members 5 and 6 are arranged at 180 ° apart, they leave a piece of film along the circumference of the spout neck 2 unaufgeschnitten in a rotation of the self-opener sleeve 2 by about 120 °. The foil is folded down in the spout directly around this intact piece and continues to hang in the opening without falling into the package.
[0015] Die Figur 3 schliesslich zeigt den Verschluss in einem Axialschnitt in. zusammengesetztem Zustand. Man sieht hier, wie die Zylinderwand-Segmente 26, die unten am Deckel der Gewindekappe 1 angeformt sind, mit den nageiförmigen Anformungen 9-11 , von denen hier nur die eine Anformung 11 sichtbar ist, zusammenwirken. Wird also aus dieser Position heraus die Deckelkappe 1 in Löserichtung gedreht, so drückt die schräg verlaufende Fläche 27 auf den Nagelschaft 12 der anliegenden Anformung 11. Die Selbstöffnerhülse 2 kann nicht mitdrehen und wird demzufolge zwangsläufig nach unten gedrückt, wobei die Stech- und Schneideorgane 5-7, von denen hier nur das Stech- und Schneidorgan 7 sichtbar ist, die darunterliegende. Folie durchstechen. Diese Bewegung setzt sich fort, bis die Drehkappe 1 sich soweit gedreht und gleichzeitig axial nach oben bewegt hat, bis die vertikale Fläche 28 am Nagelschaft 12 der Anformung 11 ansteht. Weil die Selbstöffner-Hülse 2 unterdessen axial nach abwärts bewegt wurde, kann sie jetzt in der Horizontalen drehen und entsprechend wird sie beim weiteren Drehen der Drehkappe 1 von den vertikalen Schiebeflächen 28 von oben gesehen im Gegenuhrzeigersinn gedreht, wodurch die Stech- und Schneidelemente 7-9 aus der von ihnen angestochenen Folie nahezu vollständig ein kreisförmiges Stück ausschneiden, welches in der Endphase der Drehung nach unten geklappt wird.Finally, FIG. 3 shows the closure in an axial section in the assembled state. It can be seen here, as the cylinder wall segments 26 which are integrally formed on the bottom of the lid of the threaded cap 1, with the nail-shaped projections 9-11, of which only the Anformung 11 is visible here, cooperate. Thus, if the lid cap 1 is rotated in the release direction from this position, the inclined surface 27 presses on the nail shank 12 of the adjacent Anformung 11. The Selbstöffnerhülse 2 can not rotate and is therefore inevitably pressed down, the piercing and cutting elements. 5 -7, of which only the piercing and cutting member 7 is visible here, the underlying. Pierce the foil. This movement continues until the rotary cap 1 has rotated so far and at the same time has moved axially upward until the vertical surface 28 is present on the nail shank 12 of the Anformung 11. Meanwhile, because the self-opener sleeve 2 has been moved axially downwards, it is now able to rotate horizontally and, correspondingly, as the rotary cap 1 is further rotated by the vertical sliding surfaces 28 as seen from above, it is rotated counterclockwise, whereby the lancing and cutting elements 7 9 almost completely cut out a circular piece from the film that is pierced by it, which is folded downwards in the final phase of the rotation.
[0016] Dieser Selbstöffner-Verschluss zeichnet sich durch eine besonders flache Bauweise auf. Durch die nageiförmigen, in radialer Richtung nach innen abstehenden Anformungen 9,10,11 wird es möglich, die Selbstöffnerhülse 2 besonders leicht und niedrig zu bauen. Trotzdem ist sie zuverlässig in der axialen Richtung geführt, weil die Schäfte 12 und Nagelköpfe 13 der nageiförmigen Anformungen 9,10,11 als Führungen wirken, wenn die Drehkappe 1 mit den nach unten gerichteten Zylinderwandsegmenten 26 an diesen Anformungen 9,10,11 in Eingriff kommen. Die Selbstöffnerhülse 2 kann im Verhältnis so niedrig sein, dass das Verhältnis ihrer Höhe ohne die Stech- und Schneidorgane 5-7 zu ihrem Innendurchmesser bloss 1 :3 beträgt, oder mitsamt der Stech- und Schneidorgane 5-7 bloss 1 :2. Die gesamte Bauhöhe des zusammengesetzten Verschlusses einschliesslich Deckelkappe 1 , Selbstöffner-Hülse 2 und Ausguss-Stutzen 3 beträgt im Verhältnis zum Innendurchmesser des Ausguss-Stutzens 3 bloss 3:5. Somit ist ein sehr flacher Selbstöffner-Verschluss geschaffen, der ausserdem wegen der filigranen Gestaltung der Selbstöffner-Hülse 2 mit wenig Material und entsprechend wenig Gewicht auskommt und trotzdem voll funktionstüchtig ist. This self-opening closure is characterized by a particularly flat Construction on. By the nail-shaped, in the radial direction inwardly projecting projections 9,10,11, it is possible to build the self-opening sleeve 2 is particularly easy and low. Nevertheless, it is reliably guided in the axial direction because the shafts 12 and nail heads 13 of the nail-shaped projections 9,10,11 act as guides when the rotary cap 1 with the downwardly directed cylinder wall segments 26 at these projections 9,10,11 into engagement come. The self-opening sleeve 2 can be so low in ratio that the ratio of their height without the lancing and cutting members 5-7 to their inner diameter is only 1: 3, or together with the piercing and cutting members 5-7 only 1: 2. The total height of the assembled closure including the lid 1, self-opener sleeve 2 and spout 3 is in relation to the inner diameter of the spout 3 only 3: 5. Thus, a very flat self-opener closure is created, which also because of the filigree design of the self-opener sleeve 2 with little material and correspondingly low weight and still fully functional.

Claims

Patentansprüche claims
1. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen, be¬ stehend aus einem Ausguss-Stutzen (3), welcher dichtend auf eine Verbundpackung oder auf einen mit Folienmaterial zu verschliessenden Behälter- oder Flaschenstutzen montierbar ist, einer zugehörigen Drehkappe1. A flat self-opener closure for composite packs and container or bottle stubs to be closed with film material, consisting of a pour spout (3) which can be mounted sealingly on a composite pack or on a container or bottle neck to be closed with film material, an associated rotary cap
(1 ) sowie einer innerhalb des Ausguss-Stutzens (3) angeordneten Selbstöffner-Hülse (2), welche von der Drehkappe (1 ) in Drehung versetzbar ist, wobei die Selbstöffner-Hülse (2) an ihrem unteren Rand und von diesem abstehend mindestens ein kombiniertes Stech- und Schneidorgan (5,6,7) aufweist, dadurch gekennzeichnet, dass die Selbstöffner-Hülse (2) an ihrer(1) and a self-opener sleeve (2) disposed within the spout nozzle (3) which is rotatable by the rotary cap (1), the self-opener sleeve (2) projecting at least at its lower edge and from there a combined lancing and cutting member (5,6,7), characterized in that the self-opener sleeve (2) on its
Innenseite sich zum Zentrum der Hülse erstreckende nageiförmige Anformungen (9,10,11) mit Nagelschaft (12) und Nagelkopf (13) aufweist, deren Nagelschaft (12) und Nagelkopfunterseite als Führungen für konzentrisch zur Kappendrehachse auf der Innenseite des Kappendeckels angeordnete Zylinderwandsegmente (26) bestimmt sind, die je eine zurInner side extending to the center of the sleeve Nageiförmige projections (9,10,11) with nail shank (12) and nail head (13), the nail shank (12) and Nagelkopfunterseite as guides for concentric to the cap rotation axis on the inside of the cap lid arranged cylinder wall segments (26 ) are determined, each one for
Deckelunterseite spitzwinklig verlaufende Schrägfläche (27) und eine daran anschliessende senkrecht zur Deckelfläche verlaufende Schiebefläche (28) bilden.Cover underside extending at an acute angle inclined surface (27) and an adjoining perpendicular to the lid surface extending sliding surface (28).
2. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach Anspruch 1 , dadurch gekennzeichnet, und dass die Drehkappe (1 ) zur Schaffung einer Erstöffnungs-Garantie an ihrem unteren Rand über mindestens zwei nicht-radial zu ihr verlaufende, als Sollbruchstellen zu wirken bestimmte Materialbrücken (22,23,24) mit einem flachen2. Flat self-opener closure for composite packages as well as with foil material to be sealed container or bottle neck according to claim 1, characterized in that the rotary cap (1) to provide a Erstöffnungs warranty at its lower edge over at least two non-radially to her extending, to act as predetermined breaking points certain material bridges (22,23,24) with a flat
Halteelement (21 ) verbunden ist, das mittels Bolzen an seiner Unterseite auf dem Flansch (20) des Ausguss-Stutzens (3) liegend mit demselben verbindbar ist. Holding element (21) is connected, which is by means of bolts on its underside on the flange (20) of the spout-neck (3) lying connected to the same.
3. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Selbstöffner-Hülse (2) an ihrem unteren Rand und von diesem abstehend drei kombinierte Stech- und Schneidorgane (5,6,7) aufweist, welche an zwei einander gegenüberliegenden Stellen des Umfangs sowie an einer Stelle zwischen denselben angeordnet sind, und dass die Selbstöffner-Hülse (2) an ihrer Innenseite drei um den Umfang gleichmässig verteilt angeordnete, sich zum Zentrum der Hülse erstreckende nageiförmige Anformungen (9,10,11 ) mit Nagelschaft (12) und Nagelkopf (13) aufweist, deren Nagelschaft (12) und Nagelkopfunterseite als Führungen für drei konzentrisch zur Kappendrehachse auf der Innenseite des Kappendeckels angeordnete Zylinderwandsegmente (26) bestimmt sind.3. Flat self-opener closure for composite packs and for container material to be sealed with container or bottle neck according to one of the preceding claims, characterized in that the self-opening sleeve (2) at its lower edge and projecting from this three combined lancing and cutting organs ( 5,6,7), which are arranged at two opposite points of the circumference and at a position between the same, and that the self-opener sleeve (2) arranged on its inside three evenly distributed around the circumference, to the center of the sleeve extending nail-like projections (9,10,11) with nail shank (12) and nail head (13) whose nail shank (12) and nail head underside as guides for three concentric to the cap rotation axis on the inside of the cap lid arranged cylinder wall segments (26) are determined.
4. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit .Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach einem der. vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Verhältnis der Höhe der Selbstöffnerhülse (2) ohne die Stech- und Schneideorgane (5,6,7) zu ihrem Innendurchmesser bloss 1 :3 beträgt.4. Flat self-opener closure for composite packages as well as container or bottle neck to be closed with .Folienmaterial after one of. preceding claims, characterized in that the ratio of the height of the self-opening sleeve (2) without the lancing and cutting members (5,6,7) to its inner diameter is only 1: 3.
5. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die nageiförmigen Anformungen (9,10,11 ) drei radial an der Innenseite der5. Flat self-opener closure for composite packages as well as with foil material to be sealed container or bottle neck according to one of the preceding claims, characterized in that the nageiförmigen projections (9,10,11) three radially on the inside of the
Selbstöffner-Hülse (2) abstehende Gebilde sind, die je einen Nagelschaft (12) und einen drauf sitzenden Nagelkopf (13) aufweisen, welcher den Nagelschaft (12) seitlich allseitig überragt.Self-opener sleeve (2) protruding structures are, each having a nail shank (12) and a seated nail head (13), which projects beyond the nail shank (12) on all sides.
6. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass an der Aussenwand der Selbstöffnerhülse (2) mehrere axial verlaufende Rippen (15-17) angeformt sind, die mit axialen Rippen (18) an der Innenwand des Ausguss-Stutzens (2) zusammenwirken und dadurch als Verdrehsicherung wirken, solange die Selbstöffner-Hülse (2) nicht von der Drehkappe (1 ) in ihre unterste Position im Ausguss-Stutzen (3) gestossen ist. 56. Flat self-opener closure for composite packages as well as with foil material to be sealed container or bottle neck according to one of the preceding claims, characterized in that on the outer wall of the self-opening sleeve (2) a plurality of axially extending ribs (15-17) are formed, which cooperate with axial ribs (18) on the inner wall of the spout nozzle (2) and thereby act as anti-rotation, as long as the self-opener sleeve (2) from the rotary cap (1) in their lowest Position in the spout nozzle (3) is encountered. 5
7. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Verhältnis der Gesamthöhe des zusammengesetzten Verschlusses7. Flat self-opener closure for composite packages and for sealing with foil material container or bottle neck according to one of the preceding claims, characterized in that the ratio of the total height of the composite closure
10 einschliesslich Deckelkappe (1 ), Selbstöffner-Hülse (2) und Ausguss-Stutzen10 including lid cap (1), self-opening sleeve (2) and spout
(3) zum Innendurchmesser des Ausguss-Stutzens(3) bloss 3:5 beträgt.(3) to the inner diameter of the spout nozzle (3) is only 3: 5.
8. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach8. Flat self-opener closure for composite packages as well as container or bottle nozzles to be closed with foil material
, 15 einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass die, 15 one of claims 2 to 7, characterized in that the
Deckelkappe (1 ) mit dem flachen Halteelement (21) an ihrem unteren Rand (25) einstückig über wenigstens zwei parallel zueinander verlaufende Materialbrücken (22,24) gespritzt ist, welche das Halteelement (21 ) mit dem unteren Rand der Deckelkappe (1 ) verbinden.Cover cap (1) with the flat retaining element (21) at its lower edge (25) integrally molded over at least two parallel material bridges (22,24) which connect the holding element (21) with the lower edge of the cover cap (1) ,
2020
9. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach Anspruch 8, dadurch gekennzeichnet, dass die Deckelkappe. (1) mit dem flachen Halteelement (21 ) an ihrem unteren Rand einstückig über drei9. Flat self-opener closure for composite packages as well as with foil material to be sealed container or bottle neck according to claim 8, characterized in that the cover cap. (1) with the flat retaining element (21) at its lower edge in one piece over three
25 parallel zueinander verlaufende Materialbrücken (22,24) gespritzt ist, welche das Halteelement (21 ) mit dem unteren Rand der Deckelkappe (1 ) verbinden, wobei die mittlere radiale Materialbrücke (23) durchgestanzt ist.25 parallel to each other material bridges (22,24) is injected, which connect the holding element (21) with the lower edge of the cover cap (1), wherein the middle radial material bridge (23) is punched through.
10. Flacher Selbstöffner-Verschluss für Verbundpackungen sowie für mit 30 Folienmaterial zu verschliessende Behälter- oder Flaschenstutzen nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Deckelkappe (1 ) mit dem flachen Halteelement (21 ) an ihrem unteren Rand einstückig über wenigstens zwei parallel zueinander verlaufende Materialbrücken (22,24) gespritzt ist, welche das Halteelement (21) mit dem unteren Rand der Deckelkappe (1) verbinden, und dass das Halteelement (21 ) an seiner Unterseite mindestens einen senkrecht abstehenden Bolzen aufweist, welcher in ein zugehöriges Loch im Flansch (20) des Ausguss- Stutzens (3) einpasst. 10. Flat self-opener closure for composite packages as well as for 30 foil material to be sealed container or bottle neck according to one of claims 2 to 9, characterized in that the cover cap (1) with the flat retaining element (21) at its lower edge in one piece over at least two parallel to each other Material bridges (22,24) is injection-molded, which connect the holding element (21) with the lower edge of the cover cap (1), and that the holding element (21) has at its underside at least one vertically projecting pin, which in an associated hole in the flange (20) of the spout (3) fits.
EP05798732A 2004-11-15 2005-11-04 Flat self-opening closure for composite packagings or for container nozzles or bottle necks to be closed by film material Active EP1812298B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05798732T PL1812298T3 (en) 2004-11-15 2005-11-04 Flat self-opening closure for composite packagings or for container nozzles or bottle necks to be closed by film material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH18752004 2004-11-15
PCT/CH2005/000644 WO2006050624A1 (en) 2004-11-15 2005-11-04 Flat self-opening closure for composite packagings or for container nozzles or bottle necks to be closed by film material

Publications (2)

Publication Number Publication Date
EP1812298A1 true EP1812298A1 (en) 2007-08-01
EP1812298B1 EP1812298B1 (en) 2009-09-23

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EP05798732A Active EP1812298B1 (en) 2004-11-15 2005-11-04 Flat self-opening closure for composite packagings or for container nozzles or bottle necks to be closed by film material

Country Status (16)

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US (1) US20080105640A1 (en)
EP (1) EP1812298B1 (en)
KR (1) KR101259195B1 (en)
CN (1) CN100584704C (en)
AT (1) ATE443665T1 (en)
AU (1) AU2005304245B2 (en)
BR (1) BRPI0518924B1 (en)
CA (1) CA2585650C (en)
DE (1) DE502005008205D1 (en)
EA (1) EA009862B1 (en)
ES (1) ES2333806T3 (en)
HR (1) HRP20070178B1 (en)
MX (1) MX2007005516A (en)
PL (1) PL1812298T3 (en)
TW (1) TWI356795B (en)
WO (1) WO2006050624A1 (en)

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Also Published As

Publication number Publication date
HRP20070178B1 (en) 2011-11-30
EP1812298B1 (en) 2009-09-23
EA200700729A1 (en) 2007-12-28
CN101056799A (en) 2007-10-17
HRP20070178A2 (en) 2007-07-31
AU2005304245A1 (en) 2006-05-18
BRPI0518924A2 (en) 2008-12-16
KR101259195B1 (en) 2013-04-29
CA2585650A1 (en) 2006-05-18
ES2333806T3 (en) 2010-03-01
TWI356795B (en) 2012-01-21
KR20070084215A (en) 2007-08-24
AU2005304245B2 (en) 2011-10-13
US20080105640A1 (en) 2008-05-08
PL1812298T3 (en) 2010-02-26
TW200621579A (en) 2006-07-01
DE502005008205D1 (en) 2009-11-05
BRPI0518924B1 (en) 2018-01-23
EA009862B1 (en) 2008-04-28
CA2585650C (en) 2013-02-12
CN100584704C (en) 2010-01-27
MX2007005516A (en) 2007-05-18
WO2006050624A1 (en) 2006-05-18
ATE443665T1 (en) 2009-10-15

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