EP1757528B1 - Tamper evident closure - Google Patents

Tamper evident closure Download PDF

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Publication number
EP1757528B1
EP1757528B1 EP06013567A EP06013567A EP1757528B1 EP 1757528 B1 EP1757528 B1 EP 1757528B1 EP 06013567 A EP06013567 A EP 06013567A EP 06013567 A EP06013567 A EP 06013567A EP 1757528 B1 EP1757528 B1 EP 1757528B1
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EP
European Patent Office
Prior art keywords
tamper evident
ring
tamper
closing cap
evident ring
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EP06013567A
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German (de)
French (fr)
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EP1757528A3 (en
EP1757528A2 (en
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Heinlein Plastik-Technik GmbH
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Heinlein Plastik-Technik GmbH
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Priority to PL06013567T priority Critical patent/PL1757528T3/en
Publication of EP1757528A2 publication Critical patent/EP1757528A2/en
Publication of EP1757528A3 publication Critical patent/EP1757528A3/en
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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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
    • B65D41/3452—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges with drive means between closure and tamper element

Definitions

  • the invention relates to a tamper-evident closure for containers with a threaded neck with the features specified in the preamble of claim 1.
  • Tamper-evident closures according to this basic configuration are used in a wide variety of applications, such as medicine vials or beverage bottles. By taking place at the first opening of the closure caps separating the tamper evident ring from the cap is visualized after reclosing that the container was already open at least once.
  • Another problem is the simple operability of the tamper-evident closure. This is often affected by the fact that the rupture webs do not tear off completely when first opened, so that upon further screwing the tamper-evident ring is deformed and partially pulled over the transfer ring shoulder. In order to avoid this, a correspondingly narrow design of the inner diameter of the tamper-evident ring produces an increased blocking effect on the transfer ring that is uniform over the circumference of the ring. This in turn leads to the problem that the tamper-evident ring can become stuck on the transferring ring shoulder when it is first opened. After resealing then sit cap and tamper-evident ring close together, so that practically no longer recognizable that the container has already been opened once. In that regard, then the reliability of the originality detection is severely impaired.
  • the invention has for its object to improve a tamper-evident closure of the generic type so that the initially mentioned problem of braking torque on the tamper-evident ring and the associated risk of zemet the rupture webs is verworfen.
  • an additional entrainment means is provided between the closure cap and the tamper-evident ring which serves to assist the transmission of torque between the closure cap and tamper-evident ring when it is slid over the transferring shoulder during initial sealing. While in tamper-evident closures according to the prior art, such as the above WO 2004/048220 A1 The Breinsmoment exerted on the tamper evident ring when sliding over the transfer ring shoulder during Warverabss must be completely absorbed by the fragile break webs takes over the subject invention, this function essentially the entrainment device.
  • the configuration of the entrainment device in the form of an undercut in the end edge of the closure cap and a hook projection engaging the end edge of the tamper-evident ring not only ensures highly effective torque transmission, but at the same time a locking of the closure cap and tamper-evident ring in the axial direction relative to one another during the screwing process for the teat Tileverides. This prevents the risk associated with the prior art that the breaker webs are broken open by the over-snap of the originality ring over the transferring ring shoulder and the axial forces exerted thereby on the ring even before the first opening.
  • the claims 5 and 6 indicate a form-technically simple realization of the Abstreifvorsprunges and the associated recess in the opposite end edge of the tamper-evident ring. This can be done by a wavy course of the parting line between cap and tamper evident ring.
  • the measure specified in claim 7 ensures that the stripping projection always comes into contact with the tamper-evident ring before reclosure, the elements of the entrainment, ie in particular the hook projection on the tamper evident ring in the undercut of the cap can engage. This would be tamper-evident ring and cap pulled together and give the impression that the tamper-evident closure is still intact.
  • the invention finally also relates to a container with a threaded neck and a tamper-evident closure according to the invention, as discussed above (claim 9).
  • the tamper-evident closure shown serves to close a container, which is only partially shown with its threaded neck 1, for example in the form of a medicine bottle made of brown glass.
  • the threaded neck 1 has at its upper end an external thread 2 ( Fig. 2 ), to which a horizontally encircling transferring ring shoulder 3 ( Fig. 4 ) follows. This has on the side of the external thread 2 a flat rising edge 4, to which on the side facing away from the external thread 2 a steep step 5 follows.
  • a cap 6 On the threaded neck 1 is a cap 6 can be screwed, which has a substantially cylindrical side wall 7 with gripping grooves 8 and a top wall 9. As is not apparent, but is usually designed so, the cap 6 on its inner side sealing ring elements which engage in the threaded neck 1 and ensure a tight closure of the container.
  • a tamper-evident ring 12 At the end edge 10 of the cap 6 is integrally connected via filigree fracture ribs 11 a tamper-evident ring 12, whose inner diameter is slightly smaller than the maximum outer diameter of the transfer ring shoulder 3.
  • Four such breaker webs 11 are distributed uniformly over the circumference of the closure cap 6 and the tamper-evident ring 12. They bridge the parting line 13 between these two elements substantially in the axial direction and are formed on the side of the cap 6 in a flat recess 14 on the cap 6.
  • the course of the parting line 13 between two adjacent rupture webs 11 is designed so that, on the one hand, at the end edge 10 of the cap 6 down in the direction of the tamper-evident ring 12 protruding, nose-shaped trained Abstreifvorsprung 15 is formed, which comes to rest in another in a shape-responsive recess 16 in the opposite end edge 17 of the tamper-evident ring 12. Following this wave-shaped course of the parting line 13 for forming the Abstreifvorsprunges 15 and the recess 16 follows to the right on Fig.
  • this entrainment device 18 has an undercut 19 in the end edge 10 of the closure cap 6 on the one hand and a hook projection 20 engaging therein on the front edge 17 of the tamper-evident ring 12 on the other hand.
  • the cap 6 is screwed onto the threaded neck 1. From the moment at which the tamper-evident ring 12 runs from above onto the transferring ring shoulder 3 with corresponding inhibition, a braking torque directed counter to the screw-on moment is exerted on the tamper-evident ring 12. As a result, the hook projection 20 engages reinforced in the peripheral direction in the undercut 19 and hooks there, so that the break webs 11 only slightly deformed and no additional torque must be absorbed.
  • the cap 6 can be overcome by the transferring from the shoulder 3 on the originality ring 12 exerted braking torque can be further screwed.
  • the hook-shaped configuration of the entrainment device 18 not only a radial, but also a locking in the axial direction of the cap 6 and tamper-evident ring 12 is achieved to each other.
  • the cap 6 When reclosing the container, the cap 6 is screwed onto the threaded neck 1.
  • the Abstreifvorsprünge 15 strike against the tamper evident ring 12 and strip it from his in Fig. 3 shown clamping position on the transfer ring shoulder 3 downwards.
  • the tamper-evident ring 12 drops down to the indicated container shoulder 21st
  • the Abstreifvorsprünge 15 are each arranged in the closing direction of rotation S of the cap 6 of the driver 18 directly leading. If this were not the case, there would be the risk that the tamper evident ring 12 happens to be in such a rotational position that upon reclosure of the cap 6 of the wiper projection 15 at the end of Aufschraubvorgangs exactly in the recess 16 in the tamper evident ring 12 and the hook projection 20 exactly in the undercut 19 come in. This would prevent stripping of the tamper-evident ring 12 from the transferring ring shoulder 3.
  • the wiper projection 15 would in each case push it downwards against the upwardly directed hook projection 20 of the tamper-evident ring 12, even if the tamper-evident ring 12 is resealed ( Fig. 3 ) exactly in the in Fig. 1 position would be.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Saccharide Compounds (AREA)
  • Cartons (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

The closure a tamper evident ring (12) fastened at the front edge of a screw cap by a breaking bar. A strip projection (15) is formed at the front edge of the screw cap and protruded towards the direction of the tamper evident ring. The tamper evident ring is stripped downward with the aid of the strip projection during clamping on the transferring shoulder, when the screw cap is relocked by the transferring shoulder, where clamping takes place during first opening of the closure. An independent claim is also included for a container with a threaded neck.

Description

Die Erfindung betrifft einen Originalitätsverschluss für Behälter mit einem Gewindehals mit den im Oberbegriff des Patentanspruches 1 angegebenen Merkmalen.The invention relates to a tamper-evident closure for containers with a threaded neck with the features specified in the preamble of claim 1.

Originalitätsverschlüsse gemäß dieser Grundkonfiguration werden in unterschiedlichsten Einsatzgebieten, wie beispielsweise Medikamentenfläschchen oder Getränkeflaschen verwendet. Durch das beim Erstöffnen der Verschlusskappen erfolgende Abtrennen des Originalitätsringes von der Kappe wird nach dem Wiederverschließen visualisiert, dass der Behälter bereits zumindest einmal geöffnet war.Tamper-evident closures according to this basic configuration are used in a wide variety of applications, such as medicine vials or beverage bottles. By taking place at the first opening of the closure caps separating the tamper evident ring from the cap is visualized after reclosing that the container was already open at least once.

DE 8434870 U offenbart einen solchen Originalitätsring. DE 8434870 U discloses such a tamper evident ring.

An solche Originalitätsverschlüsse werden nun unterschiedlichste Anforderungen gestellt. So muss beim Erstverschließen des Behälters mit dem Originalitätsverschluss, das in aller Regel maschinell in einer Befüllanlage erfolgt, gewährleistet sein, dass die Anbindung des Originalitätsverschlusses an die Kappe nicht beim Überschieben des Originalitätsringes über die Transferringschulter am Gewindehals bereits zerstört wird. Die Auslegung des Untermaßes des Innendurchmessers des Originalitätsringes gegenüber dem Außendurchmesser der Transferringschulter muss so gewählt sein, dass einerseits beim Erstverschließen während des Überschiebens des Originalitätsringes über die Transferringschulter keine so große Hemmung auftritt, dass das damit verbundene Bremsdrehmoment auf den Originalitätsring so groß wird, dass die Bruchstege zur Anwendung des Ringes an die Kappen hier bereits zerstört werden. Andererseits muss diese Auslegung für eine ausreichende Blockierung des Originalitätsringes in seiner Position hinter der Transferringschulter sowohl sorgen, damit beim Erstöffnen des Originalitätsverschlusses eine zuverlässige Abtrennung des Originalitätsringes von der Verschlusskappe erfolgt.At such tamper-evident closures now a variety of demands are made. Thus, when first closing the container with the tamper-evident closure, which usually takes place mechanically in a filling system, it must be ensured that the connection of the tamper-evident closure to the cap is not already destroyed when the tamper-evident ring is pushed over the transferring ring shoulder on the threaded neck. The interpretation of the undersize of the inner diameter of the tamper evident ring relative to the outer diameter of the transfer ring shoulder must be chosen so that on the one hand during Erstverschließen during the sliding over the tamper evident ring on the transfer ring shoulder so much inhibition occurs that the associated brake torque on the tamper evident ring is so large that the Bridges to apply the ring to the caps here already destroyed. On the other hand, this interpretation must ensure sufficient blocking of the tamper evident ring in its position behind the transfer ring shoulder, thus at the first opening the tamper-evident closure a reliable separation of the tamper-evident ring of the cap takes place.

Eine weitere Problematik liegt in der einfachen Betätigbarkeit des Originalitätsverschlusses. Diese wird oftmals dadurch beeinträchtigt, dass die Bruchstege beim Erstöffnen nicht vollzählig abreißen, so dass beim weiteren Aufschrauben der Originalitätsring deformiert und teilweise über die Transferringschulter gezogen wird. Um dies zu vermeiden, wird durch eine entsprechend enge Auslegung des Innendurchmessers des Originalitätsringes eine erhöhte und über den Ringumfang gleichmäßige Blockierwirkung auf den Transferring erzeugt. Dies wiederum führt zur Problematik, dass sich der Originalitätsring beim Erstöffnen auf der Transferringschulter festklemmen kann. Nach dem Wiederverschließen sitzen dann Verschlusskappe und Originalitätsring eng aneinander, so dass praktisch nicht mehr erkennbar ist, dass der Behälter bereits einmal geöffnet wurde. Insoweit wird dann die Zuverlässigkeit der Originalitätserkennung stark beeinträchtigt.Another problem is the simple operability of the tamper-evident closure. This is often affected by the fact that the rupture webs do not tear off completely when first opened, so that upon further screwing the tamper-evident ring is deformed and partially pulled over the transfer ring shoulder. In order to avoid this, a correspondingly narrow design of the inner diameter of the tamper-evident ring produces an increased blocking effect on the transfer ring that is uniform over the circumference of the ring. This in turn leads to the problem that the tamper-evident ring can become stuck on the transferring ring shoulder when it is first opened. After resealing then sit cap and tamper-evident ring close together, so that practically no longer recognizable that the container has already been opened once. In that regard, then the reliability of the originality detection is severely impaired.

Ein Lösungsansatz für diese Problematik lässt der in der WO 2004/048220 A1 gezeigte Originalitätsverschluss erkennen. Dieser weist über den Innenumfang seines Originalitätsringes verteilt angeordnete, nach innen abstehende Rastelemente auf, die mit entsprechenden Gegenelementen am Außenumfang des Gewindehalses so kooperieren, dass beim Erstöffnen der Verschlusskappe der Originalitätsring drehblockiert wird. Insoweit erfolgt das Brechen der Bruchstege unmittelbar am Beginn des Abschraubens der Verschlusskappe und nicht erst durch das Auflaufen des Originalitätsringes auf die Transferringschulter und die dabei auftretende Blockierung des Originalitätsringes in Rotations- und Axialrichtung.An approach to this problem can be found in the WO 2004/048220 A1 Detect originality closure shown. This has distributed over the inner circumference of its Originalitätsringes arranged inwardly projecting locking elements, which cooperate with corresponding counter-elements on the outer circumference of the threaded neck so that when first opening the cap of the tamper-evident ring is blocked. In that regard, breaking the break webs takes place immediately at the beginning of unscrewing the cap and not only by the emergence of the tamper-evident ring on the transferring shoulder and the blocking of the tamper evident ring in the rotation and axial direction.

Problematisch bei dem vorstehenden Stand der Technik ist die sehr filigrane Ausbildung der Rastelemente am Originalitätsring, was einen extrem hohen Aufwand bei der Erstellung des Formwerkzeuges für den Originalitätsverschluss mit sich bringt. Ferner bedingen die Gegenrastelemente am Gewindehalsbehälter eine Behälter-Spezialausführung, was zusätzlichen Aufwand mit sich bringt.The problem with the above prior art is the very filigree design of the locking elements on the originality ring, which brings an extremely high effort in the creation of the mold for the tamper-evident closure. Furthermore, the counter-locking elements on the threaded neck container require a special container design, which brings with it additional effort.

Der Erfindung liegt die Aufgabe zugrunde, einen Originalitätsverschluss der gattungsgemäßen Art so zu verbessern, dass die eingangs erwähnte Problematik des Bremsdrehmomentes auf dem Originalitätsring und die damit verbunden gefahr der zestörung der Bruchstege verwieden wird.The invention has for its object to improve a tamper-evident closure of the generic type so that the initially mentioned problem of braking torque on the tamper-evident ring and the associated risk of zestörung the rupture webs is verworfen.

Diese Aufgabe wird durch die im Kennzeichnungsteil des Anspruches 1 angegebenen Merkmale gelöst. Demnach ist eine zusätzliche Mitnehmereinrichtung zwischen der Verschlusskappe und dem Originalitätsring vorgesehen, die zur Unterstützung der Drehmomentübertragung zwischen Verschlusskappe und Originalitätsring bei dessen Überschieben über die Transferringschulter während des Erstverschließens dient. Während bei Originalitätsverschlüssen gemäß dem Stand der Technik, wie beispielsweise der oben genannten WO 2004/048220 A1 das auf den Originalitätsring beim Überschieben über die Transferringschulter während des Erstverschließens ausgeübte Breinsmoment komplett von den empfindlichen Bruchstegen aufgenommen werden muss, übernimmt beim Erfindungsgegenstand diese Funktion im Wesentlichen die Mitnehmereinrichtung. Damit kann eine engere Auslegung des Originalitätsringes gegenüber der Transferringschulter gewählt werden, was wiederum die Zuverlässigkeit der Abtrennung des Originalitätsringes beim Erstöffnen erhöht. Die Ausgestaltung der Mitnehmereinrichtung in Form einer Hinterschneidung im Stirnrand der Verschlusskappe und eines darin eingreifenden Hakenvorsprungs an der Stirnkante des Originalitätsrings sorgt nämlich nicht nur für eine hochwirksame Drehmomentübertragung, sondern gleichzeitig auch für eine Verriegelung von Verschlusskappe und Originalitätsring in axialer Richtung zueinander während des Schraubvorgangs für das Erstverschließen. Dies beugt dem beim Stand der Technik bestehenden Risiko vor, dass beim Erstverschließen die Bruchstege durch das Überschnappen des Originalitätsrings über die Transferringschulter und die dadurch auf den Ring ausgeübten Axialkräfte bereits vor dem Erstöffnen aufgebrochen werden.This object is achieved by the features stated in the characterizing part of claim 1. Accordingly, an additional entrainment means is provided between the closure cap and the tamper-evident ring which serves to assist the transmission of torque between the closure cap and tamper-evident ring when it is slid over the transferring shoulder during initial sealing. While in tamper-evident closures according to the prior art, such as the above WO 2004/048220 A1 The Breinsmoment exerted on the tamper evident ring when sliding over the transfer ring shoulder during Erstverschließens must be completely absorbed by the fragile break webs takes over the subject invention, this function essentially the entrainment device. Thus, a tighter interpretation of the tamper-evident ring relative to the transferring shoulder can be chosen, which in turn increases the reliability of the separation of the tamper-evident ring on initial opening. Namely, the configuration of the entrainment device in the form of an undercut in the end edge of the closure cap and a hook projection engaging the end edge of the tamper-evident ring not only ensures highly effective torque transmission, but at the same time a locking of the closure cap and tamper-evident ring in the axial direction relative to one another during the screwing process for the teat Erstverschließen. This prevents the risk associated with the prior art that the breaker webs are broken open by the over-snap of the originality ring over the transferring ring shoulder and the axial forces exerted thereby on the ring even before the first opening.

Die mit der engeren Auslegung des Originalitätsringes verschärfte Problematik des Festklemmens des Originalitätsringes auf der Transferringschulter während des Erstöffnens wird durch die gemäß Anspruch 4 vorgesehenen Abstreltvorsprünge gelöst. Diese sind an den Stirnrand der Verschlusskappe in Richtung zum Originalitätsring vorstehend angeformt, mit den Hilfe der Originalitätsring im Falle eines insbesondere beim Erstöffnen erfolgenden Festklemmens auf der Transferringschulter beim Wiederverschließen der Verschlusskappe von der Transferringschulter nach unten abgestreift wird. Der Ring fällt damit von der Transferringschulter weg nach unten auf den Behälterhals, wo er mit deutlichem Abstand zur Verschlusskappe auf der Behälterschulter zu liegen kommt. Auch im Falle eines späteren mutwilligen manuellen Festklemmens des Originalitätsringes auf der Transferringschulter tritt der vorstehende Sicherungsmechanismus in Funktion und stößt den Originalitätsring wieder von der Transferringschulter nach unten. Die Verbesserung der Zuverlässigkeit der Erstöffnungskennung wird dabei durch eine formtechnisch einfache Maßnahme erzielt, die insbesondere auch keine Änderung an der Auslegung des Behälters mit seinem Gewindehals erfordert.The tightened with the narrower interpretation of the originality ring problem of clamping the tamper-evident ring on the transfer ring shoulder during initial opening is achieved by the Abstreltvorsprünge provided in accordance with claim 4. These are integrally formed on the end edge of the closure cap in the direction of the tamper-evident ring, with the help of the tamper-evident ring in the case of a particular first-time clamping on the transferring ring shoulder when reclosing the cap of the transferring ring shoulder is stripped down. The ring thus falls from the transferring ring shoulder down to the neck of the container, where it comes to lie with a clear distance from the cap on the container shoulder. Also in case of a later willful manual clamping of the tamper evident ring on the transferring shoulder, the protruding securing mechanism operates and pushes the tamper evident ring back from the transferring shoulder. The improvement of the reliability of the Erstöffnungskennung is achieved by a technically simple measure that requires in particular no change to the design of the container with its threaded neck.

Die Ansprüche 5 und 6 kennzeichnen eine formtechnisch einfache Realisierung des Abstreifvorsprunges und der dazugehörigen Ausnehmung in der gegenüberliegenden Stirnkante des Originalitätsringes. Dies kann durch einen welligen Verlauf der Trennfuge zwischen Verschlusskappe und Originalitätsring erfolgen.The claims 5 and 6 indicate a form-technically simple realization of the Abstreifvorsprunges and the associated recess in the opposite end edge of the tamper-evident ring. This can be done by a wavy course of the parting line between cap and tamper evident ring.

Durch die im Anspruch 7 angegebene Maßnahme wird gewährleistet, dass der Abstreifvorsprung grundsätzlich in Kontakt mit dem Originalitätsring gelangt, bevor beim Wiederverschließen die Elemente der Mitnehmereinrichtung, also insbesondere der Hakenvorsprung am Originalitätsring in die Hinterschneidung der Verschlusskappe in Eingriff kommen kann. Damit würden Originalitätsring und Verschlusskappe aneinander gezogen und der Eindruck erweckt werden, dass der Originalitätsverschluss noch unversehrt ist.The measure specified in claim 7 ensures that the stripping projection always comes into contact with the tamper-evident ring before reclosure, the elements of the entrainment, ie in particular the hook projection on the tamper evident ring in the undercut of the cap can engage. This would be tamper-evident ring and cap pulled together and give the impression that the tamper-evident closure is still intact.

Die Erfindung bezieht sich schließlich auch auf einen Behälter mit einem Gewindehals und einem erfindungsgemäßen Originalitätsverschluss, wie er vorstehend erörtert wurde (Anspruch 9).The invention finally also relates to a container with a threaded neck and a tamper-evident closure according to the invention, as discussed above (claim 9).

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der ein Ausführungsbeispiel anhand der beigefügten Zeichnungen näher erläutert wird. Es zeigen:

Fig. 1 bis 4
Seitenansichten des Originalitätsverschlusses mit Behälter- Gewindehals in aufeinander folgenden Stadien des Erstverschlie- ßens, nach dem Erstöffnen, während des Wiederverschließens und nach dem Wiederverschließen.
Further features, details and advantages of the invention will become apparent from the following description in which an embodiment with reference to the accompanying drawings is explained in more detail. Show it:
Fig. 1 to 4
Side views of the tamper-evident closure with container threaded neck in successive stages of initial sealing, after initial opening, during resealing and after resealing.

Der gezeigte Originalitätsverschluss dient zum Schließen eines nur teilweise mit seinem Gewindehals 1 dargestellten Behälters beispielsweise in Form einer Medikamentenflasche aus Braunglas. Der Gewindehals 1 weist an seinem oberen Ende ein Außengewinde 2 (Fig. 2) auf, dem eine horizontal umlaufende Transferringschulter 3 (Fig. 4) folgt. Diese weist auf der Seite des Außengewindes 2 eine flach ansteigende Flanke 4 auf, an die sich auf der dem Außengewinde 2 abgewandten Seite eine steile Stufe 5 anschließt.The tamper-evident closure shown serves to close a container, which is only partially shown with its threaded neck 1, for example in the form of a medicine bottle made of brown glass. The threaded neck 1 has at its upper end an external thread 2 ( Fig. 2 ), to which a horizontally encircling transferring ring shoulder 3 ( Fig. 4 ) follows. This has on the side of the external thread 2 a flat rising edge 4, to which on the side facing away from the external thread 2 a steep step 5 follows.

Auf den Gewindehals 1 ist eine Verschlusskappe 6 aufschraubbar, die eine im Wesentlichen zylindrische Seitenwand 7 mit Griffrillen 8 und eine Deckwand 9 aufweist. Wie nicht näher erkennbar, jedoch üblicherweise so ausgestaltet ist, weist die Verschlusskappe 6 auf ihrer Innenseite Dichtringelemente auf, die in den Gewindehals 1 eingreifen und für einen dichten Verschluss des Behälters sorgen.On the threaded neck 1 is a cap 6 can be screwed, which has a substantially cylindrical side wall 7 with gripping grooves 8 and a top wall 9. As is not apparent, but is usually designed so, the cap 6 on its inner side sealing ring elements which engage in the threaded neck 1 and ensure a tight closure of the container.

An den Stirnrand 10 der Verschlusskappe 6 ist über filigrane Bruchstege 11 einstückig ein Originalitätsring 12 angebunden, dessen Innendurchmesser etwas kleiner als der maximale Außendurchmesser der Transferringschulter 3 ist. Vier derartige Bruchstege 11 sind gleichmäßig über den Umfang der Verschlusskappe 6 bzw. des Originalitätsrings 12 verteilt. Sie überbrücken die Trennfuge 13 zwischen diesen beiden Elementen im Wesentlichen in axialer Richtung und sind auf Seiten der Verschlusskappe 6 in einer flachen Aussparung 14 an die Verschlusskappe 6 angeformt.At the end edge 10 of the cap 6 is integrally connected via filigree fracture ribs 11 a tamper-evident ring 12, whose inner diameter is slightly smaller than the maximum outer diameter of the transfer ring shoulder 3. Four such breaker webs 11 are distributed uniformly over the circumference of the closure cap 6 and the tamper-evident ring 12. They bridge the parting line 13 between these two elements substantially in the axial direction and are formed on the side of the cap 6 in a flat recess 14 on the cap 6.

Wie aus Fig. 1 deutlich wird, ist der Verlauf der Trennfuge 13 zwischen zwei benachbarten Bruchstegen 11 so ausgelegt, dass zum einen am Stirnrand 10 der Verschlusskappe 6 ein nach unten in Richtung zum Originalitätsring 12 vorstehender, nasenförmig ausgebildeter Abstreifvorsprung 15 ausgebildet ist, der zum anderen in einer formentsprechenden Ausnehmung 16 in der gegenüberliegenden Stirnkante 17 des Originalitätsrings 12 zu liegen kommt. In Anschluss an diesen wellenförmigen Verlauf der Trennfuge 13 zur Ausbildung des Abstreifvorsprunges 15 und der Ausnehmung 16 folgt nach rechts bezogen auf Fig. 1 ein finnenförmiger Abschnitt der Trennfuge 13, womit eine als ganzes mit 18 bezeichnet Mitnehmereinrichtung zwischen Verschlusskappe 6 und Originalitätsring 12 ausgebildet ist. Im Detail weist diese Mitnehmereinrichtung 18 eine Hinterschneidung 19 im Stirnrand 10 der Verschlusskappe 6 einerseits sowie einen darin eingreifenden Hakenvorsprung 20 an der Stirnkante 17 des Originalitätsrings 12 andererseits auf.How out Fig. 1 becomes clear, the course of the parting line 13 between two adjacent rupture webs 11 is designed so that, on the one hand, at the end edge 10 of the cap 6 down in the direction of the tamper-evident ring 12 protruding, nose-shaped trained Abstreifvorsprung 15 is formed, which comes to rest in another in a shape-responsive recess 16 in the opposite end edge 17 of the tamper-evident ring 12. Following this wave-shaped course of the parting line 13 for forming the Abstreifvorsprunges 15 and the recess 16 follows to the right on Fig. 1 a fin-shaped portion of the parting line 13, whereby a designated as a whole with 18 entrainment between cap 6 and tamper-evident ring 12 is formed. In detail, this entrainment device 18 has an undercut 19 in the end edge 10 of the closure cap 6 on the one hand and a hook projection 20 engaging therein on the front edge 17 of the tamper-evident ring 12 on the other hand.

Wie besonders aus Fig. 4 deutlich wird, sind zwei Abstreifvorsprünge 15 mit benachbarten Mitnehmereinrichtungen 18 um 180° versetzt an der Verschlusskappe 6 bzw. am Originalitätsring 12 angeordnet. Eine größere Anteil, wie beispielsweise drei oder vier solcher Paare mit einem Versatz von 120° bzw. 90° ist machbar.How special Fig. 4 becomes clear, two Abstreifvorsprünge 15 with adjacent driver devices 18 offset by 180 ° on the cap 6 and the tamper-evident ring 12 are arranged. A larger proportion, such as three or four such pairs with a displacement of 120 ° or 90 ° is feasible.

Die Funktion des Originalitätsverschlusses wird im Folgenden näher erläutert. Während des Erstverschließens wird die Verschlusskappe 6 auf den Gewindehals 1 aufgeschraubt. Ab dem Moment, zu dem der Originalitätsring 12 von oben auf die Transferringschulter 3 unter entsprechender Hemmung aufläuft, wird ein dem Aufschraubmoment entgegengerichtetes Bremsdrehmoment auf den Originalitätsring 12 ausgeübt. Dadurch greift der Hakenvorsprung 20 in Peripherrichtung verstärkt in die Hinterschneidung 19 ein und verhakt sich dort, so dass die Bruchstege 11 lediglich leicht deformiert und kein zusätzliches Drehmoment aufnehmen müssen. Die Verschlusskappe 6 kann unter Überwinden des von der Transferringschulter 3 auf den Originalitätsring 12 ausgeübten Bremsmomentes weiter aufgeschraubt werden. Durch die hakenförmige Ausgestaltung der Mitnehmereinrichtung 18 wird dabei nicht nur eine radiale, sondern auch eine Verriegelung in axialer Richtung von Verschlusskappe 6 und Originalitätsring 12 zueinander erzielt. Dies bedeutet in vorteilhafter Weise, dass im Moment des Überschnappens des Originalitätsrings 12 über die steile Stufe 5 der Transferringschulter 3 die Axialkräfte, die den Originalitätsring 12 plötzlich nach unten von der Verschlusskappe 6 wegdrücken wollen, von der Mitnehmereinrichtung 18 aufgenommen werden. Damit wird einem versehentlichen Brechen der Bruchstege 11 vorgebeugt.The function of the tamper-evident closure will be explained in more detail below. During Erstverschließens the cap 6 is screwed onto the threaded neck 1. From the moment at which the tamper-evident ring 12 runs from above onto the transferring ring shoulder 3 with corresponding inhibition, a braking torque directed counter to the screw-on moment is exerted on the tamper-evident ring 12. As a result, the hook projection 20 engages reinforced in the peripheral direction in the undercut 19 and hooks there, so that the break webs 11 only slightly deformed and no additional torque must be absorbed. The cap 6 can be overcome by the transferring from the shoulder 3 on the originality ring 12 exerted braking torque can be further screwed. The hook-shaped configuration of the entrainment device 18 not only a radial, but also a locking in the axial direction of the cap 6 and tamper-evident ring 12 is achieved to each other. This means in an advantageous manner that at the moment of Überschnappens the tamper evident ring 12 on the steep step 5 of the transfer ring shoulder 3, the axial forces that want to push the tamper evident ring 12 suddenly downward away from the cap 6, are taken up by the entrainment device 18. This prevents accidental breakage of the break webs 11.

Nachdem der Originalitätsring 12 die Transferringschulter 3 überschritten hat, wird die Verschlusskappe 6 am Gewindehals 1 angezogen und der Behälter ist entsprechend erstverschlossen, wie dies in Fig. 1 gezeigt ist.After the tamper-evident ring 12 has passed the transfer ring shoulder 3, the cap 6 is tightened on the threaded neck 1 and the container is accordingly first locked, as shown in FIG Fig. 1 is shown.

Beim Erstöffnen der Verschlusskappe 6 wird der Originalitätsring 12 mitgedreht und nach oben gezogen, bis er an der Transferringschulter 3 festklemmt. Durch das Weiterdrehen der Verschlusskappe 6 reißen die Bruchstege 11 und die Verschlusskappe 6 kann ohne den Originalitätsring 12 abgenommen werden. Der Behälter ist - wie in Fig. 2 gezeigt - geöffnet.When first opening the cap 6 of the tamper-evident ring 12 is rotated and pulled up until it clamps to the transfer ring shoulder 3. By further rotation of the cap 6 tear the break webs 11 and the cap 6 can be removed without the tamper evident ring 12. The container is - as in Fig. 2 shown - opened.

Beim Wiederverschließen des Behälters wird die Verschlusskappe 6 auf den Gewindehals 1 aufgeschraubt. Dabei schlagen die Abstreifvorsprünge 15 gegen den Originalitätsring 12 an und streifen diesen von seiner in Fig. 3 gezeigten Klemmposition auf der Transferringschulter 3 nach unten ab. Der Originalitätsring 12 fällt nach unten bis auf die angedeutete Behälterschulter 21.When reclosing the container, the cap 6 is screwed onto the threaded neck 1. The Abstreifvorsprünge 15 strike against the tamper evident ring 12 and strip it from his in Fig. 3 shown clamping position on the transfer ring shoulder 3 downwards. The tamper-evident ring 12 drops down to the indicated container shoulder 21st

Wie aus Fig. 1 und 3 deutlich wird, sind die Abstreifvorsprünge 15 jeweils in Schließdrehrichtung S der Verschlusskappe 6 der Mitnehmereinrichtung 18 unmittelbar voreilend angeordnet. Wäre dies nicht der Fall, bestünde das Risiko, dass der Originalitätsring 12 zufällig in einer solchen Rotationsposition steht, dass beim Wiederverschließen der Verschlusskappe 6 der Abstreifvorsprung 15 am Ende des Aufschraubvorgangs genau in die Ausnehmung 16 im Originalitätsring 12 und der Hakenvorsprung 20 genau in die Hinterschneidung 19 einlaufen. Damit würde ein Abstreifen des Originalitätsrings 12 von der Transferringschulter 3 unterbunden. Durch die unmittelbare Nachbarschaft von Abstreifvorsprung 15 und Mitnehmereinrichtung 18 würde jedoch in jedem Fall durch ein Anschlagen des Abstreifvorsprunges 15 an den nach oben gerichteten Hakenvorsprung 20 des Originalitätsrings 12 letzterer nach unten weggeschoben, auch wenn der Originalitätsring 12 beim Wiederverschließen (Fig. 3) exakt in der in Fig. 1 gezeigten Position stehen würde.How out Fig. 1 and 3 becomes clear, the Abstreifvorsprünge 15 are each arranged in the closing direction of rotation S of the cap 6 of the driver 18 directly leading. If this were not the case, there would be the risk that the tamper evident ring 12 happens to be in such a rotational position that upon reclosure of the cap 6 of the wiper projection 15 at the end of Aufschraubvorgangs exactly in the recess 16 in the tamper evident ring 12 and the hook projection 20 exactly in the undercut 19 come in. This would prevent stripping of the tamper-evident ring 12 from the transferring ring shoulder 3. However, due to the immediate vicinity of the wiper projection 15 and the driver device 18, the wiper projection 15 would in each case push it downwards against the upwardly directed hook projection 20 of the tamper-evident ring 12, even if the tamper-evident ring 12 is resealed ( Fig. 3 ) exactly in the in Fig. 1 position would be.

Claims (9)

  1. Tamper evident closure for containers with a threaded neck (1), comprising
    - a closing cap (6) which can be screwed onto the threaded neck (1),
    - a tamper evident ring (12) attached to the end face (10) of the closing cap (6) by means of breaking bars (11),
    - a transfer ring shoulder (3) formed on the threaded neck (1) over which the tamper evident ring (12) can be pushed on the first closure of the container, such that when opening the closing cap (6) for the first time the tamper evident ring (12) can be blocked by the transfer ring shoulder (3) from movement during opening and can be separated by breaking the breaking bars (11) of the closing cap (6) and
    - at least one catch mechanism (18) arranged between the closing cap (6) and tamper evident ring (12) and functioning during the first closure for supporting the transfer of torque between the closing cap (6) and tamper evident ring (12) when pushing the latter over the transfer ring shoulder (3) during the first closure,
    characterised in that the at least one catch mechanism (18) is formed by an undercut (19) in the end face (10) of the closing cap (6) and a hook projection (20) engaging therein on the end face (17) of the tamper evident ring (12).
  2. Taper evident closure according to claim 1, characterised in that the hook projection (20) and undercut (19) operate together such that in the engaged position in addition to the transfer of torque there also a locking of the closing cap (6) and tamper evident ring (12) in axial direction relative to one another.
  3. Tamper evident closure according to claim 1 or 2, characterised in that the hook projection (20) and the undercut (19) are formed by a fin-like path of the joint (13) between the closing cap (6) and tamper evident ring (12).
  4. Tamper evident closure according to one of the preceding claims, characterised by at least one scraping projection (15) formed on the end face (10) of the closing cap (6) and projecting in the direction of the tamper evident ring (12), by means of which the tamper evident ring (12) can be scraped downwards from the transfer ring shoulder (3) in case of jamming, especially during the first opening, on the transfer ring shoulder (3) when reclosing the closing cap (6)
  5. Tamper evident closure according to claim 4, characterised in that the at least one scraping projection (15) is designed to be nose-like and in the attached position of the tamper evident ring (12) is arranged in a suitably shaped recess (16) in the opposite end face (17) of the tamper evident ring (12).
  6. Tamper evident closure according to claim 5, characterised in that the scraping projection (15) and the recess (16) are formed by a wave-like path of the joint (13) between the closing cap (6) and tamper evident ring (12).
  7. Tamper evident closure according to one of claims 4 to 6, characterised in that the at least one scraping projection (15) is arranged in relation to the at least one catch mechanism (18) leading directly in closing direction (S) of the closing cap (6).
  8. Tamper evident closure according to one of claims 4 to 7, characterised in that two scraping projections (15) and catch mechanisms (18) are arranged offset by 180 ° on the closing cap (6) or the tamper evident ring (12).
  9. Container with a threaded neck, characterised by a tamper evident closure according to one of the preceding claims.
EP06013567A 2005-08-26 2006-06-30 Tamper evident closure Active EP1757528B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06013567T PL1757528T3 (en) 2005-08-26 2006-06-30 Tamper evident closure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005040745A DE102005040745A1 (en) 2005-08-26 2005-08-26 Tamper evident closure for containers

Publications (3)

Publication Number Publication Date
EP1757528A2 EP1757528A2 (en) 2007-02-28
EP1757528A3 EP1757528A3 (en) 2008-07-16
EP1757528B1 true EP1757528B1 (en) 2011-12-28

Family

ID=37451063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06013567A Active EP1757528B1 (en) 2005-08-26 2006-06-30 Tamper evident closure

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EP (1) EP1757528B1 (en)
AT (1) ATE539006T1 (en)
DE (1) DE102005040745A1 (en)
ES (1) ES2379093T3 (en)
PL (1) PL1757528T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019025539A2 (en) 2017-08-02 2019-02-07 Kettenbach Gmbh & Co. Kg Application system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019219884B3 (en) 2019-12-17 2020-08-27 Heinlein Plastik-Technik Gmbh Dosing closure device for bottles and caps
JP7471155B2 (en) * 2020-06-24 2024-04-19 ライオン株式会社 cap
DE102021000404A1 (en) 2021-01-28 2022-07-28 Claus-Thomas Eberhardt Plastic tamper-evident cap
DE102022212823B4 (en) 2022-11-29 2024-06-06 Heinlein Plastik-Technik Gmbh Cap for liquid container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233805A1 (en) * 1982-09-11 1984-03-15 Hans 8801 Schillingsfürst Heinlein SEALING CAP, ESPECIALLY FOR BOTTLE-LIKE CONTAINERS, WITH AN ORGINALITY SECURING ELEMENT
DE8434870U1 (en) * 1984-11-28 1985-01-24 Golde GmbH Spritzgußwerk, 8192 Geretsried Tamper-evident plastic screw cap
US5033632A (en) * 1990-06-08 1991-07-23 Lincoln Mold And Die Corporation Tamper-evident closure with angled breakaway tabs
EP1389587B1 (en) * 2001-04-13 2017-09-27 Yoshino Kogyosho Co., Ltd. Bottle with a screw cap of synthetic resin
US20040045925A1 (en) * 2002-09-11 2004-03-11 Seidita Thomas M. Tamper evident closure with locking band

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019025539A2 (en) 2017-08-02 2019-02-07 Kettenbach Gmbh & Co. Kg Application system
DE102017117557A1 (en) 2017-08-02 2019-02-07 3lmed GmbH application system
US11648582B2 (en) 2017-08-02 2023-05-16 3lmed GmbH Application system

Also Published As

Publication number Publication date
PL1757528T3 (en) 2012-05-31
ES2379093T3 (en) 2012-04-20
ATE539006T1 (en) 2012-01-15
EP1757528A3 (en) 2008-07-16
DE102005040745A1 (en) 2007-03-01
EP1757528A2 (en) 2007-02-28

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