EP1399366A1 - Closing device with a piercing element - Google Patents
Closing device with a piercing elementInfo
- Publication number
- EP1399366A1 EP1399366A1 EP02727153A EP02727153A EP1399366A1 EP 1399366 A1 EP1399366 A1 EP 1399366A1 EP 02727153 A EP02727153 A EP 02727153A EP 02727153 A EP02727153 A EP 02727153A EP 1399366 A1 EP1399366 A1 EP 1399366A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piercer
- cutting
- closure device
- displacement
- container
- 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
Links
Classifications
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- 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
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- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
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- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0037—Intermediate closure(s)
- B65D2251/0056—Intermediate closure(s) of the 47-type
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0093—Membrane
- B65D2251/0096—Membrane integral with the container
Definitions
- the present invention relates to a closure device made of plastic, which can be attached over a pierceable point of a closed container and consists of a bung-shaped lower part with a cylindrical pouring spout which is connected or can be connected to the container, and a screw cap which can be pushed onto the lower part, and a cylindrical piercer, which is open on both sides in the axial direction and is displaceably mounted in the lower part, means being provided in the screw cap which move the piercer downwards in a helical manner when the screw cap is unscrewed for the first time.
- Closure devices made of plastic consisting of the three parts, as described above, namely a bung-shaped lower part with a cylindrical pouring spout, a cylindrical piercer movable therein and a screw cap, which has means for moving the piercer, are known in a wide variety of design variants.
- Such closure devices are on calibration packaging containers attached.
- the containers consist of multilayer films, which usually have one or more paper or cardboard layers, one or more plastic film layers and at least one barrier layer, for example made of aluminum.
- the packaging has correspondingly punched piercing points.
- only the innermost, compact plastic film layer and the aluminum layer have to be severed according to the puncturer of the closure device.
- Screw cap a backdrop-like screw line is mounted centrally on an inner wall, while the piercer has a similar counter-rotating thread, while at the same time the piercer is provided with cams that prevent rotation relative to the pouring spout.
- WO 99/62776 also has a practically identical solution
- Guide cam runs, the guide cam in axial engage extending grooves, while at the same time the piercer has an internal thread which interacts with a central ring wall in the screw cap, the central wall having an external thread. At the same time, there is a threaded connection between the screw cap and the pouring spout.
- WO 95/05996 International Paper Company shows a closure device in which the push-through is not just one translatory movement but a screwing movement.
- the piercer has an external thread which engages in an internal thread in the pouring spout.
- the piercer can be set into a corresponding screwing movement by means of driving means in the screw cap. If the screw cap is unscrewed, the piercer simultaneously moves downwards into the container to be opened.
- the piercer also has a large number of perforation teeth along its lower edge.
- the teeth dig into areas of the packaging that are not pre-punched. This not only requires considerably more force, but at the same time there is no perforation of the film at all, but there is a pure pulling movement on the film. While foils mostly react sensitively to perforations, most foils are extremely resistant to tensile forces.
- Figure 1 is a vertical section through the closure device in the assembled state on a container before the first opening
- Figure 2 the same closure device after the first opening with unscrewed screw cap again in the assembled state in a diametrical vertical section.
- Figure 3 shows the piercer in the manufacturing position integrally connected to the lower part again as a diametrical vertical section
- Figure 4 shows the closure device in the assembled state in the position of use, only the packaging being shown partially cut.
- FIG. 6 shows schematic cutting and bending plans for two different displacement angles ⁇ .
- the lower part 2 has a cylindrical pouring spout 20 which terminates in a lower flange 21 and has an internal thread 22 and an external thread 23.
- the flange 21 is used for the adhesive connection to the container B.
- This container consists of a multilayer, made of foils
- Pre-punch V has, which at least partially penetrates one or more layers and thus defines a target opening. To open the container B, the multilayer film in the region of the pre-punching V must therefore still be completely cut.
- Lower part 2 can on the multilayer film of the container
- the pre-punching V defines a circular area that has to lie within the opening of the cylindrical pouring spout 20.
- the diameter of the pre-cut V is a few percent smaller than the diameter of the pouring spout 20. On the other hand, the diameter of the pre-cut V corresponds almost exactly to the diameter of the piercer 3 or
- the internal thread 22 of the cylindrical pouring spout 20 is a coarse thread. This means that on the one hand the thread height is relatively large and the thread has a high pitch. Consequently, a rotation of around 360 ° or less already
- the push-through 3 is actuated by means of the
- Screw cap 4 has a cover surface 40 on which a circumferential jacket wall 41 is adjacent.
- the jacket wall 41 has an internal thread 42, which is designed as a fine thread, matching the external thread 23 of the cylindrical one
- Inner diameter of the piercer, means are formed in the shape of drivers 44.
- Screw cap 4 the driver 44 drive the piercer 3 in an opposite direction. While the screw cap 4 moves upward, the piercer is moved downward because the threads between the screw cap 4 and the lower part 2 are oriented in opposite directions to the direction of rotation of the thread between the piercer 3 and the lower part 2. At the bottom of the
- Shell wall 41 is over predetermined breaking point bridges 46
- Guarantee tape 45 molded. This is held in the secured position by retaining cams 24 and the guarantee band 45 remains here even after the first opening, as can be seen in FIG. 2.
- the piercer 3 which, as shown in FIG. 3, is advantageously made in one piece with the lower part, essentially consists of a cylindrical one
- Coarse thread is designed to match the internal thread 22 of the
- the displacement element 34 can be combined with the cutting element 33 or, as in FIGS.
- Cutting elements 33 visible.
- the cutting elements 33 which have approximately a triangular shape, open into a terminal one
- a cutting edge 37 is then integrally formed on the perforation tooth 36 on the front edge of the direction of rotation.
- Cutting edge 37 goes here with the preferred one
- Embodiment in a displacement edge 38 which thus forms the displacement element 34 and thus part of the
- Cutting element 33 is. On the inside surface of the
- Cutting element 33 above the cutting edge 37 is one Driver thickening 39 formed on which a driver 44 abuts during the first unscrewing movement of the screw cap 4 and thus sets the piercer 3 in a screwing movement.
- the solution with the displacement edge 38 is only optional.
- an additional separate displacement element 35 can be present.
- the displacement element 35 is designed to be shorter in the axial direction of the piercer 3 than the cutting element 33. Accordingly, the displacement element 35 only comes into contact with the film of the container B when the two cutting elements 33 have formed at least approximately a coherent cutting line.
- the separate displacement element 35 has otherwise approximately the shape of the cutting elements 33, but is designed with a blunt edge and has no perforation tooth but runs in a rounded arc.
- the two cutting elements 33 are one
- Dislocation angle ⁇ arranged to follow one another.
- the two perforation teeth 36 of the two cutting elements 33 are in positions a 'and b'. After a certain lead angle ⁇ , the two perforation teeth 36 touch the film to be severed
- Perforating teeth 36 cut the film and in the further course they cut through the film, one cutting element running through the cutting path from point A to point B, while the other cutting element from point B to point C is one
- Dislocation angle ⁇ has been rotated, there is a continuous cutting line of 2 ⁇ , which extends from point A to point C.
- the cutting edge 37 has at least almost completely penetrated inwards through the film of the container, and from point C on the one hand the displacement edge 38 and / or that acts
- Displacement element 35 The displacement edge now acts from point C, while the displacement element 35 lies in the area VB of the relatively close to the pre-punched area V in the area not yet severed.
- the cut-out area is now pressed down into the container like a flap.
- the pre-punching V serves practically as
- Lead angle ⁇ be at least 90 °, but this is practically not enough and the actual minimum size of the Dislocation angle ⁇ must be greater than 100 °.
- the offset angle must of course also be less than 180 ° to ensure that the cutting line is not all-round and consequently an entire rondelle is cut out of the film, which could fall into the container.
- the maximum offset angle ⁇ should be approximately 170 °.
- the solutions shown in FIGS. 5 and 6 correspond to realistic specifications. If a separate displacement element 35 is used, the offset angle can be rather small, because in this case the displacement element can already press on the film shortly before the cutting element in the direction of rotation has reached point C, whereby the film is pressed slightly downwards and this creates a somewhat longer coherent cutting line than the theoretical cutting line.
- the perforation takes place here only at two points. This has the advantage that the force required is lower. At the same time, there is also a real cutting movement.
- the cutting edge 37 namely performs both a movement component perpendicular to the cutting line and a component in the direction of the cutting line. But because the pre-cut V is also relatively close to the relatively rigid connection of the film to the flange 21 of the lower part 2, there is a certain shear force.
- the steepness of the coarse thread between the piercer 3 and the lower part 2 must be aligned with the geometry of the cutting elements.
- the purely vertical length of the cutting edge 37 must be equal to the thread pitch, which corresponds to the angle ⁇ . The latter is particularly true when the displacement element is combined with the cutting element.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Cartons (AREA)
- Adornments (AREA)
- Telephone Function (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Prostheses (AREA)
- Lock And Its Accessories (AREA)
- Push-Button Switches (AREA)
Abstract
A closing device arranged above a pierceable point of a closed container including a lower part with a cylindrical discharge nozzle, a screw cover and a piercing element. The piercing element, which is open on both sides, is displaced downwards in an axial direction in a screw-like manner in a screw cover in the lower part of the closing device. The piercing element has two cutting elements offset at an angle which produce a continuous, interconnected cutting line, and a displacing element which shifts a partially cut-out tab of the container from a region of the discharge nozzle.
Description
Verschlussvorrichtung mit einem Durchstosser Closure device with a piercer
Die vorliegende Erfindung betrifft eine Verschlussvorrichtung aus Kunststoff, die über einer durchstossbaren Stelle eines geschlossenen Behältnisses anbringbar ist und aus einem spundförmigen Unterteil mit zylindrischem Ausgussstutzen besteht, der mit dem Behältnis verbunden oder verbindbar ist, und einer Schraubkappe, die auf den Unterteil aufschiebbar ist, sowie einem zylindrischen Durchstosser, der in axialer Richtung beidseitig offen ist und im Unterteil verschiebbar gelagert ist, wobei in der Schraubkappe Mittel vorhanden sind, die bei der erstmaligen Abschraubbewegung der Schraubkappe den Durchstosser schraubenförmig nach unten bewegen .The present invention relates to a closure device made of plastic, which can be attached over a pierceable point of a closed container and consists of a bung-shaped lower part with a cylindrical pouring spout which is connected or can be connected to the container, and a screw cap which can be pushed onto the lower part, and a cylindrical piercer, which is open on both sides in the axial direction and is displaceably mounted in the lower part, means being provided in the screw cap which move the piercer downwards in a helical manner when the screw cap is unscrewed for the first time.
Verschlussvorrichtungen aus Kunststoff bestehend aus den drei Teilen, wie oben beschrieben, nämlich einem spundförmigen Unterteil mit zylindrischem Ausgussstutzen, einem darin beweglichen zylindrischen Durchstosser und einer Schraubkappe, welche Mittel aufweist, um den Durchstosser zu bewegen, sind in verschiedensten Ausführungsvarianten bekannt . Solche Verschlussvorrichtungen werden auf
eichverpackungsbehältnissen angebracht. Die Behältnisse bestehen aus mehrlagigen Folien, die üblicherweise eine oder mehrere Papier- oder Kartonschichten, eine oder mehrere Kunststofffolienschichten und mindestens eine Sperrschicht, beispielsweise aus Aluminium besitzen. Im Bereich der anzubringenden Verschlussvorrichtungen weisen die Verpackungen entsprechend vorgestanzte Durchstossstellen auf. Üblicherweise muss entsprechend der Durchstosser der Verschlussvorrichtung meist nur noch die zuinnerst liegende, kompakte Kunststofffolienschicht und die Aluminiumschicht durchtrennen .Closure devices made of plastic consisting of the three parts, as described above, namely a bung-shaped lower part with a cylindrical pouring spout, a cylindrical piercer movable therein and a screw cap, which has means for moving the piercer, are known in a wide variety of design variants. Such closure devices are on calibration packaging containers attached. The containers consist of multilayer films, which usually have one or more paper or cardboard layers, one or more plastic film layers and at least one barrier layer, for example made of aluminum. In the area of the closure devices to be attached, the packaging has correspondingly punched piercing points. Usually, only the innermost, compact plastic film layer and the aluminum layer have to be severed according to the puncturer of the closure device.
Bei den meisten bekannten Ausführungsformen ist derIn most known embodiments, the
Durchstosser so geführt, dass der Durchstosser lediglich eine translatorische Bewegung zum Innern der Verpackung hin ausübt. Beispielsweise zeigt die EP-A-0 ' 328 ' 652 (ToppanThe pusher is guided in such a way that the pusher only exerts a translatory movement towards the inside of the packaging. For example, EP-A-0 '328' 652 (Toppan
Printing Co. Ltd.) eine Lösung auf, bei der in derPrinting Co. Ltd.) found a solution in which
Schraubkappe eine kulissenartige Schraubenlinie zentrisch auf einer inneren Wand angebracht ist, während der Durchstosser ein ähnliches gegenläufiges Gewinde aufweist, während gleichzeitig der Durchstosser mit Nocken versehen ist, die ein Verdrehen relativ zum Ausgussspund verhindern. Eine praktisch gleich wirkende Lösung ist auch aus der WO 99/62776Screw cap a backdrop-like screw line is mounted centrally on an inner wall, while the piercer has a similar counter-rotating thread, while at the same time the piercer is provided with cams that prevent rotation relative to the pouring spout. WO 99/62776 also has a practically identical solution
(Crown Cork and Seal Technologies Corp.) bekannt. Auch aus der GB-A-2241224 ist eine Verschlussvorrichtung bekannt mit einem spundförmigen Ausguss, in dem ein Durchstosser mit(Crown Cork and Seal Technologies Corp.). From GB-A-2241224 a closure device is known with a bung-shaped spout, in which a piercer
Führungsnocken läuft, wobei die Führungsnocken in axial
verlaufenden Nuten eingreifen, während gleichzeitig der Durchstosser ein Innengewinde aufweist, welches mit einer zentrischen Ringwand in der Schraubkappe zusammenwirkt, wobei die zentrische Wand ein Aussengewinde aufweist. Gleichzeitig besteht eine GewindeVerbindung zwischen der Schraubkappe und dem Ausgussspund.Guide cam runs, the guide cam in axial engage extending grooves, while at the same time the piercer has an internal thread which interacts with a central ring wall in the screw cap, the central wall having an external thread. At the same time, there is a threaded connection between the screw cap and the pouring spout.
Diese letztgenannte Lösung gemäss der GB-A-2241224 arbeitet nicht mit einer durchstossbaren Stelle in der Verpackung sondern der Ausgussspund ist bereits von innen an der Verpackungsinnenwand angeschweisst und eine zusätzliche Folie ist auf dem Flansch des AusgussSpundes innen angebracht . Eine solche Verschlussfolie kann beliebige Eigenschaften aufweisen, die von der eigentlichen Verpackung abweichen. Entsprechend kann die Gestalt des Durchstossers praktisch beliebig sein, wie beispielsweise in der Lösung gemäss der Figur 1 jener Publikation, oder es können auch mehrere Perforationszähne am Umfang des Durchstossers vorgesehen sein. Völlig analog ist auch in der Ausführungsform gemäss der EP-A-0 ' 328 ' 652 ein Durchstosser gezeigt, der eine Vielzahl von Perforationszähnen am unteren Rand aufweist. Selbiges trifft auch zu auf die ebenfalls bereits genannte WO 99/62776.This latter solution according to GB-A-2241224 does not work with a pierceable point in the packaging but the pouring spout is already welded to the inside of the packaging from the inside and an additional film is attached to the flange of the pouring spout on the inside. Such a sealing film can have any properties that differ from the actual packaging. Correspondingly, the shape of the piercer can be practically arbitrary, as for example in the solution according to FIG. 1 of that publication, or several perforation teeth can also be provided on the circumference of the piercer. Completely analogously, a piercer is also shown in the embodiment according to EP-A-0 '328' 652, which has a plurality of perforation teeth at the lower edge. The same also applies to WO 99/62776, which has also already been mentioned.
Im Gegensatz zu den vorgenannten Schutzrechten zeigt die WO 95/05996 (International Paper Company) eine Verschlussvorrichtung, bei der der Durchstosser nicht nur eine rein
translatorische Bewegung durchführt sondern eine Schraubbewegung. Der Durchstosser weist entsprechend ein Aussengewinde auf, welches in ein Innengewinde im Ausgussspund eingreifend geführt ist. Der Durchstosser ist durch Mitnehmemittel in der Schraubkappe in eine entsprechende Schraubbewegung versetzbar. Wird die Schraubkappe abgeschraubt, so bewegt sich gleichzeitig der Durchstosser in einer Schraubbewegung abwärts in das zu öffnende Behältnis. Völlig analog den bisher bekannten Lösungen hat auch hier der Durchstosser entlang seinem unteren Rand eine Vielzahl von Perforationszahnen.In contrast to the aforementioned property rights, WO 95/05996 (International Paper Company) shows a closure device in which the push-through is not just one translatory movement but a screwing movement. Correspondingly, the piercer has an external thread which engages in an internal thread in the pouring spout. The piercer can be set into a corresponding screwing movement by means of driving means in the screw cap. If the screw cap is unscrewed, the piercer simultaneously moves downwards into the container to be opened. Completely analogous to the previously known solutions, the piercer also has a large number of perforation teeth along its lower edge.
Praktisch sämtliche auf dem Markt heute erhältlichen Verschlussvorrichtungen der hier interessierenden Art haben zu grossen Problemen Anlass gegeben, Während erste, hier nicht dokumentierte, Lösungen praktisch ohne Perforationszähne arbeiteten und bei denen die Behältniswand irgendwo zerstört wurde, glaubte man mit den Perforationszähnen das Problem in den Griff zu bekommen. Dies trifft jedoch nicht zu. Einer der Hauptgründe liegt darin, dass sämtliche Lösungen einen grossen Kraftaufwand beim Öffnen erfordern. Praktisch bei sämtlichen Lösungen werden über den gesamten Umfang gleichzeitig viele Stellen der Folien perforiert. Würden sich die Zähne genau an jenen Stellen befinden, die sich vertikal über der vorgetrennten Folie befinden, so wäre vermutlich eine solche Lösung gangbar. Dies würde jedoch eine auf praktisch einen Zehntel Millimeter genaue Befestigung der
Verschlussvorrichtung auf das Behältnis verlangen. Dies ist aber schlicht unmöglich. Entsprechend graben sich die Zähne auch in Bereiche der Verpackung ein, die nicht vorgestanzt sind. Hierzu ist nicht nur wesentlich mehr Kraft erforderlich, sondern gleichzeitig findet gar keine Perforation der Folie mehr statt, sondern es erfolgt eine reine Zugbewegung auf die Folie. Während Folien meistens sensibel auf Perforationen reagieren, sind die meisten Folien ausserordentlich widerstandsfähig gegenüber Zugkräften.Virtually all of the closure devices of the type of interest available on the market today have given rise to major problems, while the first, not documented, solutions worked practically without perforation teeth and in which the container wall was destroyed somewhere, the problem was believed to be under control with the perforation teeth to get. However, this is not the case. One of the main reasons is that all solutions require a lot of effort when opening. In practically all solutions, many areas of the film are perforated over the entire circumference. If the teeth were located exactly at those points that are vertically above the pre-cut foil, such a solution would probably be feasible. This would, however, be an attachment of practically a tenth of a millimeter Request closure device on the container. But this is simply impossible. Accordingly, the teeth dig into areas of the packaging that are not pre-punched. This not only requires considerably more force, but at the same time there is no perforation of the film at all, but there is a pure pulling movement on the film. While foils mostly react sensitively to perforations, most foils are extremely resistant to tensile forces.
Bei der Ausführung gemäss der WO 95/05996 wurde nicht erkannt, dass bei der hier gezeigten Lösung im wesentlichen eine Schneidwirkung erzielt wird statt einer Durchstosswirkung. Entsprechend ist an und für sich bereits das Konzept mit einer Vielzahl von Perforationszähnen widersinnig. Hinzu kommt, dass bereits mit einem kleinen Drehwinkel der gesamte innere Bereich aus der Verpackung herausgeschnitten ist und in den Inhalt des Behältnisses fällt. Dies ist nicht nur unerwünscht und unhygienisch, sondern führt zusätzlich dazu, dass während des Ausschenkens der lose Teil immer wieder in den Ausgussbereich gelangt und zu unkontrollierbaren Ausgusseigenschaften führt.In the implementation according to WO 95/05996, it was not recognized that the solution shown here essentially achieves a cutting effect instead of a puncturing effect. Accordingly, the concept with a large number of perforation teeth is in itself absurd. In addition, the entire inner area is cut out of the packaging with a small angle of rotation and falls into the contents of the container. This is not only undesirable and unsanitary, but also leads to the loose part repeatedly coming into the pouring area during pouring and leading to uncontrollable pouring properties.
Es ist folglich die Aufgabe der vorliegenden Erfindung, eine Verschlussvorrichtung der eingangs genannten Art derart zu verbessern, dass ein leichtes Öffnen möglich ist, bei dem
gleichzeitig die weiteren vorher beschriebenen Nachteile vermieden werden können.It is therefore the object of the present invention to improve a closure device of the type mentioned at the outset in such a way that easy opening is possible in which at the same time the other disadvantages described above can be avoided.
Diese Aufgabe löst eine Verschlussvorrichtung, welche die Merkmale des Patentanspruches 1 aufweist .This object is achieved by a closure device which has the features of patent claim 1.
Bei der Wahl des Versetzungswinkels α ist bei einer Grosse von weniger als 180° sichergestellt, dass keine vollständige Heraustrennung des Verpackungsbereiches erfolgen kann, während bei der Wahl des Versetzungswinkels um mehr als 100° sichergestellt ist, dass im Moment da das Verdrängungselement wirksam wird, mehr als der halbe Umfang durchtrennt ist und somit der bereits durchtrennte Teil wegklappbar ist. Letzteres wäre an sich bereits gegeben, auch dann wenn der Versetzungswinkel weniger als 100° betragen würde, doch wäre einerseits die Gefahr gross, dass das Verdrängungselement nicht nur den bereits abgetrennten Bereich zur Seite schiebt sondern gleichzeitig auch den noch nicht durchtrennten Bereich zum Reissen bringen würde. Schliesslich aber würde auch bei einem Versetzungswinkel von unter 100° der offene Ausgussbereich zu stark eingeschränkt.When choosing the offset angle α with a size of less than 180 ° it is ensured that the packaging area cannot be completely separated out, while when selecting the offset angle by more than 100 ° it is ensured that at the moment when the displacement element becomes effective, more than half the circumference is severed and thus the part that has already been severed can be folded away. The latter would already exist in itself, even if the offset angle were less than 100 °, but on the one hand there would be a great risk that the displacement element would not only push the already separated area aside but would also cause the area that had not yet been separated to tear , Ultimately, however, the open pouring area would be restricted too much even with an offset angle of less than 100 °.
Weitere vorteilhafte Ausgestaltungsformen des Erfindungsgegenstandes gehen aus den abhängigen Ansprüchen hervor und deren Bedeutung und Wirkungsweise ist in der nachfolgenden Beschreibung unter Bezug auf die beiliegende Zeichnung erläutert .
In der Zeichnung ist eine bevorzugte Ausführungsform des Erfindungsgegenstandes dargestellt. Es zeigt:Further advantageous embodiments of the subject matter of the invention emerge from the dependent claims and their meaning and mode of action is explained in the following description with reference to the accompanying drawings. A preferred embodiment of the subject matter of the invention is shown in the drawing. It shows:
Figur 1 einen Vertikalschnitt durch die Verschlussvorrichtung im montierten Zustand auf einem Behältnis vor der erstmaligen Öffnung undFigure 1 is a vertical section through the closure device in the assembled state on a container before the first opening and
Figur 2 dieselbe Verschlussvorrichtung nach der erstmaligen Öffnung mit abgeschraubter Schraubkappe wiederum im montierten Zustand in einem diametralen Vertikalschnitt.Figure 2 the same closure device after the first opening with unscrewed screw cap again in the assembled state in a diametrical vertical section.
Figur 3 zeigt den Durchstosser in der Herstellungslage einstückig verbunden mit dem Unterteil wiederum als diametralen Vertikalschnitt, währendFigure 3 shows the piercer in the manufacturing position integrally connected to the lower part again as a diametrical vertical section, while
Figur 4 die Verschlussvorrichtung im montierten Zustand in der Gebrauchslage zeigt, wobei lediglich die Verpackung teilweise geschnitten dargestellt ist.Figure 4 shows the closure device in the assembled state in the position of use, only the packaging being shown partially cut.
Figur 5 undFigure 5 and
Figur 6 stellen schematische Schneid- und Biegepläne dar für zwei verschiedene Versetzungswinkel α.FIG. 6 shows schematic cutting and bending plans for two different displacement angles α.
Obwohl sich die Erfindung im wesentlichen nur mit derAlthough the invention is essentially only with the
Ausgestaltung des Durchstossers beschäftigt, ist zum besserenThe design of the push through is better
Verständnis der gesamte Aufbau der Verschlussvorrichtung 1 bestehend aus drei Teilen dargelegt. Dies sind ein UnterteilUnderstanding of the entire structure of the closure device 1 consisting of three parts. These are a bottom part
2, der haftend auf ein Behältnis B angebracht ist, ein schraubbeweglich darin gelagerter Durchstosser 3 und eine den
Unterteil 2 übergreifende Schraubkappe 4. Der Unterteil 2 hat einen zylindrischen Ausgussstutzen 20, der endständig in einen unteren Flansch 21 übergeht und ein Innengewinde 22 sowie ein Aussengewinde 23 aufweist. Der Flansch 21 dient der haftenden Verbindung mit dem Behältnis B. Dieses Behältnis besteht aus einer mehrlagigen, aus Folien gefertigten2, which is adhesively attached to a container B, a push-through 3 mounted therein and a Screw cap 4 spanning lower part 2. The lower part 2 has a cylindrical pouring spout 20 which terminates in a lower flange 21 and has an internal thread 22 and an external thread 23. The flange 21 is used for the adhesive connection to the container B. This container consists of a multilayer, made of foils
Weichpackung, wobei die mehrlagige Folie eine sogenannteSoft pack, the multilayer film being a so-called
Vorstanzung V aufweist, die eine oder mehrere Lagen mindestens teilweise durchsetzt und so eine Sollöffnung definiert. Zur Öffnung des Behältnisses B muss folglich die mehrlagige Folie im Bereiche der Vorstanzung V noch vollständig durchtrennt werden. Der Flansch 21 desPre-punch V has, which at least partially penetrates one or more layers and thus defines a target opening. To open the container B, the multilayer film in the region of the pre-punching V must therefore still be completely cut. The flange 21 of the
Unterteiles 2 kann auf der mehrlagigen Folie des BehältnissesLower part 2 can on the multilayer film of the container
B aufgeschweisst oder aufgeklebt sein. Die Vorstanzung V definiert eine Kreisfläche, die innerhalb der Öffnung des zylindrischen Ausgussstutzens 20 zu liegen hat. DerB welded or glued on. The pre-punching V defines a circular area that has to lie within the opening of the cylindrical pouring spout 20. The
Durchmesser der Vorstanzung V ist um einige Prozente kleiner als der Durchmesser des Ausgussstutzens 20. Hingegen entspricht der Durchmesser der Vorstanzung V ziemlich genau dem Durchmesser des Durchstossers 3 beziehungsweise derThe diameter of the pre-cut V is a few percent smaller than the diameter of the pouring spout 20. On the other hand, the diameter of the pre-cut V corresponds almost exactly to the diameter of the piercer 3 or
Kreisbahn, den die Schneideelemente des Durchstossers bei ihrer Bewegung definieren. Das Innengewinde 22 des zylindrischen Ausgussstutzens 20 ist ein Grobgewinde. Dies bedeutet, dass einerseits die Gewindehöhe relativ gross ist und das Gewinde eine hohe Steigung aufweist. Folglich wird bereits durch eine Drehung von rund 360° oder weniger derCircular path defined by the cutting elements of the piercer as they move. The internal thread 22 of the cylindrical pouring spout 20 is a coarse thread. This means that on the one hand the thread height is relatively large and the thread has a high pitch. Consequently, a rotation of around 360 ° or less already
Durchstosser 3 von seiner ursprünglichen Montagelage, wie in
Figur 1 dargestellt, in die untere Benutzungslage gemäss Figur 2 bewegt. Demgegenüber ist das Aussengewinde 23 als sogenanntes Feingewinde realisiert. Entsprechend weist das Gewinde 23 nur eine geringe Höhe der Gewindeflanken auf und die Steigung des Gewindes ist flach. Um die Schraubkappe 4 abzudrehen, muss diese folglich mehrere Umdrehungen machen.Pierce 3 from its original mounting position, as in Figure 1 shown, moved to the lower position of use according to Figure 2. In contrast, the external thread 23 is realized as a so-called fine thread. Accordingly, the thread 23 has only a small height of the thread flanks and the pitch of the thread is flat. To unscrew the screw cap 4, it must therefore make several turns.
Die Betätigung des Durchstossers 3 erfolgt mittels derThe push-through 3 is actuated by means of the
Schraubkappe 4. Die Schraubkappe 4 hat eine Deckfläche 40, an der eine umlaufende Mantelwand 41 angrenzt. Die Mantelwand 41 weist ein Innengewinde 42 auf, welches als Feingewinde gestaltet ist, passend zum Aussengewinde 23 des zylindrischenScrew cap 4. The screw cap 4 has a cover surface 40 on which a circumferential jacket wall 41 is adjacent. The jacket wall 41 has an internal thread 42, which is designed as a fine thread, matching the external thread 23 of the cylindrical one
Ausgussstutzens. An der Unterseite der Deckfläche 40 ist eine konzentrisch zur Mantelwand 41 verlaufende Ringwand 43 angeformt. An dieser konzentrischen Ringwand 43, die einenPouring spout. On the underside of the top surface 40, an annular wall 43 which is concentric with the jacket wall 41 is formed. On this concentric ring wall 43, the one
Durchmesser aufweist, der kleiner ist als ' derHas diameter which is less than 'the
Innendurchmesser des Durchstossers, sind Mittel angeformt in der Gestalt von Mitnehmern 44. Bei einer Drehung derInner diameter of the piercer, means are formed in the shape of drivers 44. When the
Schraubkappe 4 treiben die Mitnehmer 44 den Durchstosser 3 in eine gegenläufige Richtung. Während die Schraubkappe 4 sich nach oben bewegt, wird der Durchstosser nach unten bewegt, weil die Gewinde zwischen Schraubkappe 4 und Unterteil 2 gegenläufig orientiert sind zur Drehrichtung des Gewindes zwischen Durchstosser 3 und Unterteil 2. Unten an derScrew cap 4, the driver 44 drive the piercer 3 in an opposite direction. While the screw cap 4 moves upward, the piercer is moved downward because the threads between the screw cap 4 and the lower part 2 are oriented in opposite directions to the direction of rotation of the thread between the piercer 3 and the lower part 2. At the bottom of the
Mantelwand 41 ist über Sollbruchstellenbrücken 46 einShell wall 41 is over predetermined breaking point bridges 46
Garantieband 45 angeformt. Dieses wird von Rückhaltenocken 24 in der gesicherten Lage gehalten und das Garantieband 45
verbleibt hier auch nach der erstmaligen Öffnung, wie dies in der Figur 2 ersichtlich ist.Guarantee tape 45 molded. This is held in the secured position by retaining cams 24 and the guarantee band 45 remains here even after the first opening, as can be seen in FIG. 2.
Der Durchstosser 3, der wie in Figur 3 dargestellt, vorteilhafterweise einstückig mit dem Unterteil gefertigt ist, besteht im wesentlichen aus einem zylindrischenThe piercer 3, which, as shown in FIG. 3, is advantageously made in one piece with the lower part, essentially consists of a cylindrical one
Ringwandteil 31 mit einem Aussengewinde 32, das wiederum alsRing wall part 31 with an external thread 32, which in turn as
Grobgewinde gestaltet ist, passend zum Innengewinde 22 desCoarse thread is designed to match the internal thread 22 of the
Unterteiles 2. An diesen Ringwandteil 31 angeformt sind mindestens zwei Schneideelemente 33 und mindestens einLower part 2. At least two cutting elements 33 and at least one are molded onto this ring wall part 31
Verdrängungselement 34,35. Das Verdrängungselement 34 kann mit dem Schneideelement 33 kombiniert sein oder, wie in denDisplacement element 34.35. The displacement element 34 can be combined with the cutting element 33 or, as in FIGS
Figuren 2 bis 4 ersichtlich, als separates Element 35 gestaltet sein. In den SchnittZeichnungen gemäss den FigurenFigures 2 to 4 can be seen, designed as a separate element 35. In the sectional drawings according to the figures
1 bis 3 ist jeweils nur ein Schneideelement 33 erkennbar.1 to 3, only one cutting element 33 can be seen in each case.
Lediglich in der Seitenansicht gemäss der Figur 4 sind beideOnly in the side view according to FIG. 4 are both
Schneideelemente 33 sichtbar. Die Schneideelemente 33, die etwa eine dreieckige Form haben, münden in einen endständigenCutting elements 33 visible. The cutting elements 33, which have approximately a triangular shape, open into a terminal one
Perforierungszahn 36. Ein Pfeil D zeigt jeweils diePerforation tooth 36. An arrow D shows the
Drehrichtung des Durchstossers an. An der der Drehrichtung vorderen Kante ist direkt am Perforierungszahn 36 anschliessend eine Schneidekante 37 angeformt. DieDirection of rotation of the piercer. A cutting edge 37 is then integrally formed on the perforation tooth 36 on the front edge of the direction of rotation. The
Schneidekante 37 geht hier bei der bevorzugtenCutting edge 37 goes here with the preferred one
Ausführungsform in eine Verdrängungskante 38 über, die somit hier das Verdrängungselement 34 bildet und somit Teil desEmbodiment in a displacement edge 38, which thus forms the displacement element 34 and thus part of the
Schneideelementes 33 ist. Auf der Innenfläche desCutting element 33 is. On the inside surface of the
Schneideelementes 33 oberhalb der Schneidekante 37 ist eine
Mitnehmerverdickung 39 angeformt, an der ein Mitnehmer 44 während der erstmaligen Abschraubbewegung der Schraubkappe 4 anliegt und somit den Durchstosser 3 in eine Schraubbewegung versetzt. Die Lösung mit der Verdrängungskante 38 ist lediglich optional. Wie bereits erwähnt, und hier ebenfalls realisiert, kann ein zusätzliches separates Verdrängungselement 35 vorhanden sein. Das Verdrängungselement 35 ist in axialer Richtung des Durchstossers 3 kürzer ausgestaltet als das Schneideelement 33. Entsprechend kommt das Verdrängungselement 35 mit der Folie des Behältnisses B erst in Berührung, wenn die beiden Schneideelemente 33 mindestens annähernd eine zusammenhängende Schneidelinie gebildet haben. Das separate Verdrängungselement 35 hat ansonsten etwa die Form der Schneideelemente 33, ist jedoch stumpfkantig gestaltet und weist keinen Perforierungszahn auf sondern verläuft in einen gerundeten Bogen.Cutting element 33 above the cutting edge 37 is one Driver thickening 39 formed on which a driver 44 abuts during the first unscrewing movement of the screw cap 4 and thus sets the piercer 3 in a screwing movement. The solution with the displacement edge 38 is only optional. As already mentioned, and also implemented here, an additional separate displacement element 35 can be present. The displacement element 35 is designed to be shorter in the axial direction of the piercer 3 than the cutting element 33. Accordingly, the displacement element 35 only comes into contact with the film of the container B when the two cutting elements 33 have formed at least approximately a coherent cutting line. The separate displacement element 35 has otherwise approximately the shape of the cutting elements 33, but is designed with a blunt edge and has no perforation tooth but runs in a rounded arc.
Mit Bezug auf die Figuren 5 und 6 ist nachfolgend dieWith reference to Figures 5 and 6 is the following
Wirkungsweise der erfindungsgemässen Verschlussvorrichtung erläutert. Die beiden Schneideelemente 33 sind um einenOperation of the closure device according to the invention explained. The two cutting elements 33 are one
Versetzungswinkel α einander nachlaufend angeordnet. In derDislocation angle α arranged to follow one another. In the
Ausgangsposition vor der erstmaligen Öffnung derStarting position before the first opening of the
Verschlussvorrichtung befinden sich die beiden Perforierungs- zähne 36 der beiden Schneideelemente 33 auf den Positionen a' und b'. Nach einem gewissen Vorlaufswinkel ß berühren die beiden Perforierungszähne 36 die zu durchtrennende Folie desClosure device, the two perforation teeth 36 of the two cutting elements 33 are in positions a 'and b'. After a certain lead angle β, the two perforation teeth 36 touch the film to be severed
Behältnisses an den Punkten A und B. In Bezug auf die
Drehrichtung D läuft der Perforierungszahn des einenContainer at points A and B. Regarding the Direction of rotation D runs the perforation tooth of one
Schneideelementes dem Perforierungszahn des zweitenCutting element the perforation tooth of the second
Schneideelementes um einen Versetzungswinkel α vor. Bei der weiteren Drehung in Richtung D durchstossen dieCutting element by an offset angle α before. With further rotation in direction D pierce the
Perforierungszähne 36 die Folie und im weiteren Verlauf durchtrennen sie die Folie, wobei das eine Schneideelement den Schneideweg vom Punkt A zum Punkt B durchläuft, während das andere Schneideelement vom Punkt B zum Punkt C einePerforating teeth 36 cut the film and in the further course they cut through the film, one cutting element running through the cutting path from point A to point B, while the other cutting element from point B to point C is one
Schneidelinie anlegt. Sobald der Durchstosser somit um denCreates cutting line. As soon as the bumpers are around
Versetzungswinkel α verdreht worden ist, ergibt sich eine zusammenhängende Schneidelinie von 2α, die sich von Punkt A bis zum Punkt C erstreckt. In dieser Position ist mindestens annähernd vollständig die Schneidekante 37 durch die Folie des Behältnisses nach innen eingedrungen und ab Punkt C wirkt nun einerseits die Verdrängungskante 38 und/oder dasDislocation angle α has been rotated, there is a continuous cutting line of 2α, which extends from point A to point C. In this position, the cutting edge 37 has at least almost completely penetrated inwards through the film of the container, and from point C on the one hand the displacement edge 38 and / or that acts
Verdrängungselement 35. Die Verdrängungskante wirkt nun ab dem Punkt C, während das Verdrängungselement 35 im Bereich VB der relativ nahe der Vorstanzung V im noch nicht durchgetrennten Bereich liegt. Einer Klappe gleich wird nun der freigeschnittene Bereich nach unten in das Behältnis gedrückt. Hierbei dient die Vorstanzung V praktisch alsDisplacement element 35. The displacement edge now acts from point C, while the displacement element 35 lies in the area VB of the relatively close to the pre-punched area V in the area not yet severed. The cut-out area is now pressed down into the container like a flap. The pre-punching V serves practically as
Biegelinie. Deutlich ist diese Situation beispielsweise in der Figur 2 ersichtlich. Je nach Wahl des Versetzungswinkels α ist der verbleibende, nicht durchtrennte Bereich derBending line. This situation can be clearly seen, for example, in FIG. 2. Depending on the choice of the offset angle α, the remaining, not severed area is the
Vorstanzung V grösser oder kleiner. Theoretisch muss derPunch V larger or smaller. Theoretically, the
Vorlaufswinkel α mindestens 90° betragen, doch genügt dies praktisch nicht und die tatsächliche Mindestgrösse des
Versetzungswinkels α muss grösser als 100° sein. Der Versetzungswinkel muss selbstverständlich aber auch kleiner als 180° sein, um sicherzustellen, dass die Schnittlinie nicht umlaufend ist und folglich eine gesamte Rondelle aus der Folie herausgeschnitten wird, die in das Behältnis hinein fallen könnte. Realistischerweise dürfte der maximale Versetzungswinkel α etwa 170° sein. Die in den Figuren 5 und 6 gezeigten Lösungen entsprechen realistischen Angaben. Wird mit einem separaten Verdrängerelement 35 gearbeitet, so kann der Versetzungswinkel eher kleiner sein, weil in diesem Fall das Verdrängungselement bereits auf die Folie drücken kann kurz bevor das in Drehrichtung vordere Schneidelement den Punkt C erreicht hat, wodurch die Folie geringfügig nach unten gedrückt wird und somit eine etwas längere zusammenhängende Schneidlinie entsteht als die theoretische Schneidlinie.Lead angle α be at least 90 °, but this is practically not enough and the actual minimum size of the Dislocation angle α must be greater than 100 °. The offset angle must of course also be less than 180 ° to ensure that the cutting line is not all-round and consequently an entire rondelle is cut out of the film, which could fall into the container. Realistically, the maximum offset angle α should be approximately 170 °. The solutions shown in FIGS. 5 and 6 correspond to realistic specifications. If a separate displacement element 35 is used, the offset angle can be rather small, because in this case the displacement element can already press on the film shortly before the cutting element in the direction of rotation has reached point C, whereby the film is pressed slightly downwards and this creates a somewhat longer coherent cutting line than the theoretical cutting line.
Im Vergleich zu den bisher bekannten Durchstossern mit einer Vielzahl von Perforierungszahnen erfolgt die Perforation hier nur an zwei Punkten. Dies hat den Vorteil, dass die erforderliche Kraft geringer ist . Gleichzeitig erfolgt hier auch eine echte Schneidbewegung. Die Schneidkante 37 führt nämlich sowohl eine Bewegungskomponente senkrecht zur Schneidelinie als auch eine Komponente in Richtung der Schneidelinie durch. Weil aber die Vorstanzung V auch relativ nahe der relativ starren Verbindung der Folie mit dem Flansch
21 des Unterteiles 2 verläuft, erfolgt eine gewisse Scherkraft.In comparison to the previously known punches with a large number of perforation teeth, the perforation takes place here only at two points. This has the advantage that the force required is lower. At the same time, there is also a real cutting movement. The cutting edge 37 namely performs both a movement component perpendicular to the cutting line and a component in the direction of the cutting line. But because the pre-cut V is also relatively close to the relatively rigid connection of the film to the flange 21 of the lower part 2, there is a certain shear force.
Selbstverständlich muss die Steilheit des Grobgewindes zwischen dem Durchstosser 3 und dem Unterteil 2 auf die Geometrie der Schneideelemente ausgerichtet sein. Die rein vertikale Länge der Schneidkante 37 muss gleich der Gewindesteigung sein, die dem Winkel α entspricht. Letzteres trifft insbesondere dann zu, wenn das Verdrängungselement mit dem Schneidelement kombiniert ist.
Of course, the steepness of the coarse thread between the piercer 3 and the lower part 2 must be aligned with the geometry of the cutting elements. The purely vertical length of the cutting edge 37 must be equal to the thread pitch, which corresponds to the angle α. The latter is particularly true when the displacement element is combined with the cutting element.
Liste der BezugszahlenList of reference numbers
1 Verschlussvorrichtung B Behältnis1 closure device B container
2 Unterteil V Vorstanzung2 lower part V pre-cut
3 Durchstosser3 pushers
4 Schraubkappe4 screw cap
20 Ausgussstutzen zylindrisch20 pouring spouts cylindrical
21 Flansch21 flange
22 Innengewinde22 internal thread
23 Aussengewinde23 external thread
24 Rückhaltenocken24 retention cams
31 Ringwandteil zylindrisch31 ring wall part cylindrical
32 Aussengewinde32 external thread
33 Schneideelemente33 cutting elements
34 Verdrängungse1ement34 displacement element
35 Separates Verdrängungselement35 Separate displacement element
36 Perforierungszahn36 perforation tooth
37 Schneidekante37 cutting edge
38 Verdrängungskante38 displacement edge
39 Mitnehmerverdickung39 Driver thickening
40 Deckfläche40 deck area
41 Mantelwand41 jacket wall
42 Innengewinde42 internal thread
43 Konzentrische Ringwand43 Concentric ring wall
44 Mitnehmer44 drivers
45 Garantieband45 guarantee tape
46 Sollbruchstellenbrücken
46 predetermined breaking points
Claims
Eine über einer durchstossbaren Stelle eines geschlossenen Behältnisses (B) anbringbare Verschlussvorrichtung (1) aus Kunststoff, bestehend aus einem spundförmigen Unterteil (2) mit zylindrischem Ausgussstutzen (20) , der mit dem Behältnis verbunden oder verbindbar ist, und einer Schraubkappe (4) , die auf den Unterteil (2) aufschraubbar ist, sowie einem zylindrischen Durchstosser (3) , der in axialer Richtung beid- seitig offen ist und im Unterteil verschiebbar gelagert ist, wobei in der Schraubkappe (4) Mittel (44) vorhanden sind, die bei der erstmaligen Abschraubbewegung der Schraubkappe den Durchstosser (3) schraubenförmig nach unten bewegen, dadurch gekennzeichnet, dass der Durchstosser (3) mit mindestens zwei Schneideelementen (33) ausgerüstet ist, die um einen Versetzungswinkel (α) von weniger als 180° und mehr als 100° einander nachlaufend angeordnet sind, so dass nach einer Drehung des Durchstossers um den Versetzungswinkel eine zusammenhängende Schnittlinie von 2α entstanden ist, und dass nun im nicht durchgetrennten Bereich ein Verdrängungselement (34,35,38) wirkt, welches den teilweise ausgeschnittenen Lappen des Behältnisses aus dem Bereich desA plastic closure device (1) which can be attached over a pierceable point of a closed container (B), consisting of a bung-shaped lower part (2) with a cylindrical pouring spout (20) which can be connected or connected to the container, and a screw cap (4), which can be screwed onto the lower part (2), as well as a cylindrical piercer (3), which is open on both sides in the axial direction and is slidably mounted in the lower part, whereby means (44) are present in the screw cap (4) the first unscrewing movement of the screw cap, move the piercer (3) downward in a helical manner, characterized in that the piercer (3) is equipped with at least two cutting elements (33) which are offset by an offset angle (α) of less than 180 ° and more than 100 ° are arranged to follow one another, so that after a rotation of the piercer by the offset angle, a coherent cutting line of 2α has arisen, and that a displacement element (34, 35, 38) now acts in the non-severed area, which removes the partially cut-out flap of the container from the area of the
Ausgussstutzens (20) schiebt. Pouring spout (20) pushes.
2. Verschlussvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Verdrängungselement mit dem vorlaufenden Schneideelement (33) zu einem Element2. Closure device according to claim 1, characterized in that the displacement element with the leading cutting element (33) to one element
(34,38) kombiniert ist.(34,38) is combined.
3. Verschlussvorrichtung nach Anspruch 2 , dadurch gekennzeichnet, dass das vorlaufende Schneideelement3. Closure device according to claim 2, characterized in that the leading cutting element
(33) eine Schneidekante (37) hat, die in eine als Verdrängungselement wirkende Verdrängungskante (38) übergeht, wobei die Schneidekante (37) so lang ist, dass bei der Schraubbewegung nach einer Drehung (D) des Durchstossers (3) um mindestens annähernd den Versetzungswinkel α die Verdrängungskante (38) den nicht durchtrennten Bereich des Behältnisses (B) aus dem Bereich des Ausgussstutzens (20) schiebt.(33) has a cutting edge (37) which merges into a displacement edge (38) which acts as a displacement element, the cutting edge (37) being so long that during the screwing movement after rotation (D) of the piercer (3) by at least approximately the displacement angle α pushes the displacement edge (38) the non-severed area of the container (B) out of the area of the pouring spout (20).
4. Verschlussvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass in Drehrichtung des Durchstossers4. Closure device according to claim 1, characterized in that in the direction of rotation of the piercer
(3) dem vorderen Schneideelement (33) vorlaufend ein vom Schneideelement getrenntes Verdrängungselement (35) vorhanden ist.(3) leading to the front cutting element (33) there is a displacement element (35) separate from the cutting element.
5. Verschlussvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die beiden Schneideelemente (33) und das Verdrängungselement (35) integral mit dem Durchstosser (3) verbunden sind. 5. Closure device according to claim 4, characterized in that the two cutting elements (33) and the displacement element (35) are integrally connected to the piercer (3).
6. Verschlussvorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die beiden Schneideelemente (33) und das Verdrängungselement (34) konzentrisch zur Mantelwand des zylindrischen Durchstossers (3) zum Zentrum hin annähernd um die Wandstärke des Ringwandteiles (31) versetzt sind.6. Closure device according to claim 1, characterized in that the two cutting elements (33) and the displacement element (34) are offset concentrically to the jacket wall of the cylindrical piercer (3) towards the center approximately by the wall thickness of the ring wall part (31).
7. Verschlussvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Durchstosser (3) mit den Schneideelementen (33) eine axiale Länge hat, die maximal der axialen Länge des zylindrischen Ausgussstutzens (20) entspricht.7. Closure device according to claim 1, characterized in that the piercer (3) with the cutting elements (33) has an axial length which corresponds at most to the axial length of the cylindrical pouring spout (20).
8. Verschlusselement nach Anspruch 4, dadurch gekennzeichnet, dass das Verdrängungselement (35) um die axiale Distanz kürzer als die beiden Schneideelemente8. Closure element according to claim 4, characterized in that the displacement element (35) is shorter by the axial distance than the two cutting elements
(33) ist, welche der axialen Bewegungsstrecke entspricht, die die beiden Schneideelemente (33) bei einer Verdrehung des Durchstossers (3) um den Versetzungswinkel α zurückgelegt haben. (33), which corresponds to the axial movement distance that the two cutting elements (33) have covered during a rotation of the piercer (3) by the offset angle α.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH118201 | 2001-06-27 | ||
| CH11822001 | 2001-06-27 | ||
| PCT/CH2002/000307 WO2003002419A1 (en) | 2001-06-27 | 2002-06-10 | Closing device with a piercing element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1399366A1 true EP1399366A1 (en) | 2004-03-24 |
| EP1399366B1 EP1399366B1 (en) | 2006-10-04 |
Family
ID=4561817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02727153A Expired - Lifetime EP1399366B1 (en) | 2001-06-27 | 2002-06-10 | Closing device with a piercing element |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6851576B2 (en) |
| EP (1) | EP1399366B1 (en) |
| CN (1) | CN1251932C (en) |
| AT (1) | ATE341494T1 (en) |
| AU (1) | AU2002257483B2 (en) |
| BR (1) | BR0210540A (en) |
| CA (1) | CA2451751A1 (en) |
| DE (1) | DE50208344D1 (en) |
| DK (1) | DK1399366T3 (en) |
| ES (1) | ES2274030T3 (en) |
| IL (2) | IL159592A0 (en) |
| RU (1) | RU2288146C2 (en) |
| WO (1) | WO2003002419A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012212776A1 (en) | 2012-07-20 | 2014-01-23 | Robert Bosch Gmbh | Plastic closure for opening an aseptically closed plastic tube bag |
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| CN100431928C (en) * | 2002-05-31 | 2008-11-12 | Sig技术有限公司 | Self-opening closure for composite packagings or for container connection pieces closed by a film material |
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| WO2011031639A1 (en) * | 2009-09-08 | 2011-03-17 | Calibre Closures Llc | Improved reclosable dispensing closure |
| DE102009045119A1 (en) * | 2009-09-29 | 2011-04-28 | Robert Bosch Gmbh | Closure device made of plastic |
| DE102009045124A1 (en) * | 2009-09-29 | 2011-03-31 | Robert Bosch Gmbh | Closure device made of plastic |
| DE102010028518A1 (en) * | 2010-05-04 | 2011-11-10 | Robert Bosch Gmbh | closure device |
| DE102010035219A1 (en) * | 2010-08-24 | 2012-03-01 | Siemens Healthcare Diagnostics Products Gmbh | Closure device for a reagent container |
| US8459502B2 (en) | 2010-09-03 | 2013-06-11 | Calibre Closures, LLC | Reclosable dispensing closure with vent |
| WO2012082610A1 (en) * | 2010-12-14 | 2012-06-21 | Illinois Tool Works Inc. | Piercing cap assembly |
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| US8646659B2 (en) | 2011-08-24 | 2014-02-11 | Calibre Closures Llc | Dispensing container for dispensing predetermined amounts of product |
| US8720717B2 (en) | 2012-02-02 | 2014-05-13 | Ball Corporation | End closure with full panel opening |
| DE102012012937B3 (en) | 2012-06-29 | 2013-03-21 | Sig Technology Ag | Composite package e.g. parallelepiped cardboard/plastic composite package for pourable products e.g. orange juice, has cutting element provided for tearing a tearing line formed in opening region |
| CH708742A1 (en) | 2013-10-25 | 2015-04-30 | Terxo Ag | Self-opening closure for opening and reclosing a package. |
| KR101381356B1 (en) * | 2013-10-28 | 2014-04-04 | 주식회사 청아람 | Capsule cap for beverage containers |
| CN106132837B (en) | 2014-03-07 | 2019-05-14 | 鲍尔公司 | End cap with big opening ring pull tab |
| US10632520B2 (en) | 2014-03-07 | 2020-04-28 | Ball Corporation | End closure with large opening ring pull tab |
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| US20160345619A1 (en) * | 2014-12-02 | 2016-12-01 | Monarch Media Llc. | Coconut removal device and method therefor |
| TWI687352B (en) * | 2015-06-08 | 2020-03-11 | 日商美樂迪安股份有限公司 | Container with outflow port and manufacturing method thereof |
| CN105329535A (en) * | 2015-12-02 | 2016-02-17 | 赵曼羽 | Bottle cap with function of rotating to automatically open sealing film |
| US10301057B2 (en) | 2016-07-11 | 2019-05-28 | Calibre Closures Llc | Dispensing container with internal squeeze limiting member |
| CN108502350A (en) * | 2018-05-07 | 2018-09-07 | 深圳市通产丽星股份有限公司 | Packing container |
| IT201800010569A1 (en) * | 2018-11-26 | 2020-05-26 | Easy Plast S R L | Opening / closing device for a container for pourable products |
| ES2799100A1 (en) * | 2019-06-10 | 2020-12-14 | Nypro Inc | Plug and spout tied (Machine-translation by Google Translate, not legally binding) |
| US11059633B2 (en) | 2019-10-31 | 2021-07-13 | Cheer Pack North America | Flip-top closure for container |
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2002
- 2002-06-10 CN CN02813144.4A patent/CN1251932C/en not_active Expired - Fee Related
- 2002-06-10 DK DK02727153T patent/DK1399366T3/en active
- 2002-06-10 AU AU2002257483A patent/AU2002257483B2/en not_active Ceased
- 2002-06-10 RU RU2004102050/12A patent/RU2288146C2/en not_active IP Right Cessation
- 2002-06-10 DE DE50208344T patent/DE50208344D1/en not_active Expired - Lifetime
- 2002-06-10 BR BR0210540-3A patent/BR0210540A/en not_active IP Right Cessation
- 2002-06-10 CA CA002451751A patent/CA2451751A1/en not_active Abandoned
- 2002-06-10 WO PCT/CH2002/000307 patent/WO2003002419A1/en active IP Right Grant
- 2002-06-10 ES ES02727153T patent/ES2274030T3/en not_active Expired - Lifetime
- 2002-06-10 US US10/481,716 patent/US6851576B2/en not_active Expired - Fee Related
- 2002-06-10 EP EP02727153A patent/EP1399366B1/en not_active Expired - Lifetime
- 2002-06-10 IL IL15959202A patent/IL159592A0/en active IP Right Grant
- 2002-06-10 AT AT02727153T patent/ATE341494T1/en not_active IP Right Cessation
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2003
- 2003-12-25 IL IL159592A patent/IL159592A/en not_active IP Right Cessation
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012212776A1 (en) | 2012-07-20 | 2014-01-23 | Robert Bosch Gmbh | Plastic closure for opening an aseptically closed plastic tube bag |
| WO2014012692A1 (en) | 2012-07-20 | 2014-01-23 | Robert Bosch Gmbh | Plastic closure for opening an aseptically sealed tubular plastic bag |
| US10676261B2 (en) | 2017-09-07 | 2020-06-09 | Silgan White Cap LLC | Closure assembly |
| US11718457B2 (en) | 2017-09-07 | 2023-08-08 | Silgan White Cap LLC | Closure assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2274030T3 (en) | 2007-05-16 |
| IL159592A0 (en) | 2004-06-01 |
| BR0210540A (en) | 2004-06-22 |
| AU2002257483B2 (en) | 2006-11-30 |
| ATE341494T1 (en) | 2006-10-15 |
| RU2288146C2 (en) | 2006-11-27 |
| US20040149786A1 (en) | 2004-08-05 |
| CN1522216A (en) | 2004-08-18 |
| IL159592A (en) | 2008-04-13 |
| WO2003002419A1 (en) | 2003-01-09 |
| EP1399366B1 (en) | 2006-10-04 |
| CN1251932C (en) | 2006-04-19 |
| RU2004102050A (en) | 2005-03-10 |
| DK1399366T3 (en) | 2007-01-15 |
| DE50208344D1 (en) | 2006-11-16 |
| US6851576B2 (en) | 2005-02-08 |
| CA2451751A1 (en) | 2003-01-09 |
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