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EP0254673A1 - Container closure provided with a tamper indicating band - Google Patents

Container closure provided with a tamper indicating band Download PDF

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Publication number
EP0254673A1
EP0254673A1 EP87810309A EP87810309A EP0254673A1 EP 0254673 A1 EP0254673 A1 EP 0254673A1 EP 87810309 A EP87810309 A EP 87810309A EP 87810309 A EP87810309 A EP 87810309A EP 0254673 A1 EP0254673 A1 EP 0254673A1
Authority
EP
European Patent Office
Prior art keywords
closure
ring
band according
safety band
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87810309A
Other languages
German (de)
French (fr)
Other versions
EP0254673B1 (en
Inventor
Theodor Schöttli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Interplastic AG
Original Assignee
Interplastic AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interplastic AG filed Critical Interplastic AG
Publication of EP0254673A1 publication Critical patent/EP0254673A1/en
Application granted granted Critical
Publication of EP0254673B1 publication Critical patent/EP0254673B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/35—Vertical or axial lines of weakness

Definitions

  • the invention relates to a security band on a container closure made of thermoplastic material according to the preamble of claim 1.
  • Security tapes also called guarantee tapes, in particular for bottle closures are known. They serve to secure the bottle contents against unauthorized opening. The safety band must therefore be easily and visibly damaged when the cap or bottle is opened for the first time.
  • Security tapes of this type have the disadvantage that they can be softened by heating, for example by hand, to such an extent that the closure together with the security tape can be removed from the bottle without damage.
  • Another disadvantage of these known closures is that the safety band gets stuck on the neck of the bottle and must be removed in a separate operation when recycling, ie before reusing or recycling the bottle.
  • Security tapes also called tamper-evident closures, are also known (FR-A-2454977) which should break when the closure is opened and should stick to it.
  • the known security tapes provided with predetermined breaking points have the disadvantage that they often break when the closure is applied to the bottle and the originality is therefore not guaranteed from the start.
  • the invention seeks to remedy this.
  • the invention solves the problem of creating a safety band for a bottle stopper made of plastic, which certainly does not suffer any damage when the closure with the band is applied to the bottle neck and when the closure is unscrewed (opening the bottle ) is at least partially detached from the closure immediately and clearly visible.
  • the advantages achieved by the invention are essentially to be seen in the fact that the security band, which is part of the closure, can be applied to the container with the closure in a single operation and with existing closure machines. Damage to the security band when the closure is screwed onto the container can be prevented thanks to the elastic connection between the band and the closure, despite large manufacturing tolerances, especially in the case of glass containers.
  • the security band is separated from the closure in two predetermined steps due to the tensile forces acting on it.
  • the severed band remains attached to the closure and is also held in a position that protrudes outwards and / or downwards from the closure. Bending back or contacting the bottle neck is due to plastic deformation of the connection bars no longer possible when opening the closure.
  • FIG. 1 A perspective view according to FIG. 1 shows a plastic closure 1 with a security band 2 in a view from below.
  • the closure 1 is not the subject of the invention, and its features with regard to the spatial shape and the sealing means necessary for a tight closure are neither shown nor explained in detail inside the closure 1.
  • the security band 2 is attached in the form of an essentially circular cylinder-shaped ring 5.
  • the ring 5 is essentially rigidly and inseparably or separably connected to the closure 1 by means of two connecting webs 7 and 9.
  • the cross section of the ring 5 is significantly reduced at point B by a constriction 11.
  • the constriction 11 preferably has at its thinnest point only the thickness of a skin.
  • the ring 5 on the constriction 11 can be narrowed by an acute-angled notch 13.
  • the connecting web 9 is located at a distance from the connecting web 7, which is preferably less than half the circumference of the ring 5.
  • the ring 5 is axially divided by an incision 15 which preferably ends at an acute angle.
  • the separation point at the incision 15 can also be bridged with a thin skin, the strength of which is negligibly small, but which optically makes the ring 5 appear in one piece before it is torn when opening or removing a ring section (indicated by broken lines).
  • the ring 5 can thus be divided into a substantially rigid and inseparably connected shorter ring section 17 and a longer ring section 19 elastically connected to the closure 1.
  • the ring section 19 is connected to the closure 1 at point A only by a very narrow connecting web 21.
  • the weakest point of the connecting web 21 is preferably precisely determined by a notch 23.
  • a tangential holding cam 25 is attached at a short distance from the incision 15 or directly thereafter on the inside.
  • Another holding cam 25 can also be arranged directly after the constriction 11 or at a short distance from it. Further holding cams 25 can also be provided at regular or irregular intervals on the inside of the ring sections 17 and 19.
  • the ring section 19 is connected to the closure 1 by at least one predetermined breaking point 27, for example a thread-like web, or a differently designed, breakable connection. There is no holding cam directly above the predetermined breaking point 27 25 attached.
  • the web 27 is preferably between two 25 holding cams.
  • the ring 5 lying at a distance from the edge 3 of the closure 1 has support cams 29 directed against the edge 3 of the closure 1 at substantially regular intervals.
  • the free end 31 of the support cams 29 is at a short distance - as shown in FIG. 4 - or in direct contact with the edge 3.
  • a foot 30 is preferably attached to the support cams 29, so that a wide contact surface for the edge 3 of the closure 1 arises.
  • the contact surface can run parallel or inclined to the edge 3.
  • the ring 5 can be provided with a circumferential rib 33.
  • the rib 33 can also be interrupted at the point A and the cross section of the constriction 11 can also be reduced.
  • FIG. 2 which shows a section through the closure along the edge 3
  • the shorter length of the ring section 17 with the two webs 7 and 9 connecting this ring section and the adjacent incision 15 or the constriction 11 is clearly visible.
  • the holding cams 25 are designed to overflow into the ring 5 essentially without transition.
  • the predetermined breaking point 27 has a smallest diameter that is approximately two to ten times less than the thickness d of the ring 5.
  • a ring 5 with circumferential support 30 can also be provided.
  • the cross section of such a circumferential support 30 is shown in FIG. In this embodiment, there is no need to form a rib 33 because the ring 5 has sufficient stability per se.
  • the flanks of the support 30 do not have to run in a straight line; they can also be arcuate (in broken lines in Figure 5 indicated) or kinked.
  • the closure 1 with the securing band 2 attached to it is screwed onto the thread 43 of a bottle 41 or another opening provided with a thread 43 in a conventional manner with a sealing machine.
  • the shorter ring section 17 essentially remains in its position relative to the closure 1.
  • the longer ring section 19 is pushed radially outwards by the thread 43 and in particular by the circumferential bead 37 following the thread 43 at the mouth 39.
  • the elastic connection at point A, in particular the thin connecting web 21 and the predetermined breaking point 27 and the constriction 11 enable this radial movement without being damaged in the process.
  • the ring section 19 and 17 springs back into the original position and hooks on the underside of the bead 37, the flank of which lies essentially radially to the bottle neck 39.
  • the ring 5 is always supported by the support cams 29 or the circumferential support 30 on the closure 1.
  • the retaining cams 25 come into axial contact from below with the essentially radially extending lower flank of the bead 37 and are held back by the latter. Due to the forces acting on the ring section 19 via the retaining cams 25, the part of the ring section 19 located behind the predetermined breaking point 27 in the direction of rotation is held back under the bead 37 on the bottle neck 39, while the closure 1 is guided axially upward. With increasing distance between the ring portion 19 and the edge 3 of the closure 1, the tensile force becomes the target break 27 so big that it tears. Now the ring section 19 held only on the constriction 11 and on the web 21 is held between the two connection points under the bead 37 of the bottle 1.
  • connection When the closure 1 is unscrewed further, or at the latest when the closure 1 is removed, the connection also tears at the constriction 11.
  • the connection at point A is retained since the notch 23 allows the ring section 19 to be pivoted like a hinge.
  • the plastic deformation of the connecting web 21 has the effect that the ring section 19 partially separated from the closure 1 cannot spring back into the original position and / or can easily be torn off. Once the security band 2 has been torn open, it cannot be put back on the closure 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Der Verschluss (1) ist mit einem umlaufenden Sicherheitsband (2) versehen, welches aus einem zweiteiligen Ring (5) besteht. Der längere Ringabschnitt (19) ist durch eine Einschnürung (11) und einen dünnen Verbindungssteg (21) sowie durch eine Sollbruchstelle (27) mit dem Rand (3) des Verschlusses (1) verbunden. Die Haltenocken (25) werden beim Öffnen vom Wulst (37) am Hals (39) der Flasche (41) zurückgehalten und reissen zuerst die Sollbruchstelle (27) und anschliessend die Einschnurung (11) durch. Das Sicherheitsband (2) bleibt mit dem Verschluss (1) durch den Steg (21) verbunden.The closure (1) is provided with a circumferential security band (2) which consists of a two-part ring (5). The longer ring section (19) is connected to the edge (3) of the closure (1) by a constriction (11) and a thin connecting web (21) and by a predetermined breaking point (27). The holding cams (25) are held back by the bead (37) on the neck (39) of the bottle (41) when they are opened and first tear the predetermined breaking point (27) and then the constriction (11). The security band (2) remains connected to the closure (1) by the web (21).

Description

Gegenstand der Erfindung ist ein Sicherheitsband an einem Gebin­deverschluss aus thermoplastischem Kunststoff gemäss Oberbegriff des Patentanspruches 1.The invention relates to a security band on a container closure made of thermoplastic material according to the preamble of claim 1.

Sicherheitsbänder, auch Garantiebänder genannt, insbesondere für Flaschenverschlüsse sind bekannt. Sie dienen dazu, den Flaschen­inhalt gegen unbefugtes Öffnen zu sichern. Das Sicherheitsband muss demzufolge beim erstmaligen Oeffnen des Verschlusses bzw. der Flasche leicht erkennbar beschädigt werden.Security tapes, also called guarantee tapes, in particular for bottle closures are known. They serve to secure the bottle contents against unauthorized opening. The safety band must therefore be easily and visibly damaged when the cap or bottle is opened for the first time.

Die meisten heute verwendeten Sicherheitsbänder bestehen aus einem Ring, der mittels einer Vielzahl von dünnen Stegen am Man­tel des Verscnlusses befestigt ist und in etwa den gleichen Aus­sen- und Innendurchmesser des Mantels aufweist. Nach dem Auf­schrauben des Verschlusses auf eine Flasche wird das Sicher­heitsband mittels Wärme eingeschrumpft und legt sich so unter­halb der wulstförmigen Rippe am Flaschenhals an. Beim Öffnen des Verschlusses brechen die Verbindungsstege zum Verschluss. Das Sicherheitsband bleibt am Flaschenhals hängen.Most security tapes used today consist of a ring which is fastened to the jacket of the closure by means of a multiplicity of thin webs and has approximately the same outside and inside diameter of the jacket. After screwing the cap onto a bottle, the security band is shrunk in with heat and thus lies on the bottle neck below the beaded rib. When the lock is opened, the connecting webs to the lock break. The security band gets stuck on the bottle neck.

Sicherheitsbänder dieser Gattung haben den Nachteil, dass sie durch Erwärmen, z.B. mit der Hand, so weit erweicht werden kön­nen, dass der Verschluss zusammen mit dem Sicherheitsband ohne Beschädigung von der Flasche abgenommen werden kann. Ein weite­rer Nachteil dieser bekannten Verschlüsse besteht darin, dass das Sicherheitsband auf dem Flaschenhals hängen bleibt und beim Re-cycling, d.h. vor einer Wiederverwendung oder Wiederverwer­tung der Flasche, in einem separaten Arbeitsgang entfernt werden muss.Security tapes of this type have the disadvantage that they can be softened by heating, for example by hand, to such an extent that the closure together with the security tape can be removed from the bottle without damage. Another disadvantage of these known closures is that the safety band gets stuck on the neck of the bottle and must be removed in a separate operation when recycling, ie before reusing or recycling the bottle.

Es sind auch Sicherheitsbänder, auch Originalitätsverschlüsse genannt, bekannt (FR-A-2454977), die beim Öffnen des Verschlus­ses brechen und an diesem hängen bleiben sollten. Die mit Soll­bruchstellen versehenen bekannten Sicherheitsbänder haben den Nachteil, dass sie bereits beim Aufbringen des Verschlusses auf die Flasche häufig brechen und so die Originalität von Anfang an nicht gewährleistet ist.Security tapes, also called tamper-evident closures, are also known (FR-A-2454977) which should break when the closure is opened and should stick to it. The known security tapes provided with predetermined breaking points have the disadvantage that they often break when the closure is applied to the bottle and the originality is therefore not guaranteed from the start.

Hier will die Erfindung Abhilfe schaffen.The invention seeks to remedy this.

Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, löst die Aufgabe, ein Sicherheitsband für einen Flaschenver­schluss aus Kunststoff zu schaffen, der beim Aufbringen des Ver­schlusses mit dem Band auf den Flaschenhals mit Sicherheit kei­nen Schaden erleidet und beim Aufdrehen des Verschlusses (Oeff­nen der Flasche) sofort und gut sichtbar mindestens teilweise vom Verschluss abgelöst wird.The invention, as characterized in the claims, solves the problem of creating a safety band for a bottle stopper made of plastic, which certainly does not suffer any damage when the closure with the band is applied to the bottle neck and when the closure is unscrewed (opening the bottle ) is at least partially detached from the closure immediately and clearly visible.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass das Sicherheitsband, das Teil des Ver­schluss ist, mit dem Verschluss in einem einzigen Arbeitsgang und mit bestehenden Verschlussmaschinen auf das Gebinde aufge­bracht werden kann. Eine Beschädigung des Sicherheitsbandes wäh­rend des Aufschraubens des Verschlusses auf das Gebinde kann dank der elastischen ausgestalteten Verbindung des Bandes mit dem Verschluss trotz grosser Fertigungstoleranzen, insbesondere bei Galsgebinden, verhindert werden. Beim Öffnen des Verschlus­ses wird das Sicherheitsband infolge der auf dieses aufwirkenden Zugkräfte in zwei im voraus bestimmten Schritten vom Verschluss abgetrennt. Das abgetrennte Band verbleibt am Verschluss hängen und zudem in nach aussen und/oder nach unten abstehender Lage zum Verschluss gehalten. Ein Zurückbiegen oder Anlegen an den Flaschenhals ist infolge plastischer Verformung des Verbindungs­ steges beim Öffnen des Verschlusses nicht mehr möglich.The advantages achieved by the invention are essentially to be seen in the fact that the security band, which is part of the closure, can be applied to the container with the closure in a single operation and with existing closure machines. Damage to the security band when the closure is screwed onto the container can be prevented thanks to the elastic connection between the band and the closure, despite large manufacturing tolerances, especially in the case of glass containers. When the closure is opened, the security band is separated from the closure in two predetermined steps due to the tensile forces acting on it. The severed band remains attached to the closure and is also held in a position that protrudes outwards and / or downwards from the closure. Bending back or contacting the bottle neck is due to plastic deformation of the connection bars no longer possible when opening the closure.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Merkmalen der abhängigen Ansprüche enthalten.Further advantageous embodiments of the invention are contained in the features of the dependent claims.

Im folgenden wird die Erfindung anhand von lediglich einem Aus­führungsbeispiel näher erläutert. Es zeigen:

  • Figur 1 eine perspektivische Darstellung eines Verschlusses mit einem Sicherheitsband,
  • Figur 2 einen Querschnitt durch den Verschluss entlang Linie II-II in Figur 1,
  • Figur 3 einen Flaschenhals mit einem von diesem abgeschraubten Verschluss, dessen Sicherheitsband aufgebrochen ist,
  • Figur 4 ein vergrössert dargestellter Ausschnitt des Bandes mit einem Stütznocken und
  • Figur 5 ein vergrössert dargestellter Ausschnitt eines Bandes mit umlaufend gleichbleibendem Querschnitt.
The invention is explained in more detail below with the aid of only one exemplary embodiment. Show it:
  • FIG. 1 shows a perspective illustration of a closure with a security band,
  • FIG. 2 shows a cross section through the closure along line II-II in FIG. 1,
  • FIG. 3 shows a bottle neck with a closure unscrewed from it, the security band of which has been broken open,
  • Figure 4 is an enlarged section of the band with a support cam and
  • FIG. 5 shows an enlarged section of a band with a constant cross-section.

In der perspektivischen Darstellung nach Figur 1 ist ein Kunst­stoffverschluss 1 mit einem Sicherheitsband 2 in einer Ansicht von unten dargestellt. Der Verschluss 1 ist nicht Gegenstand der Erfindung, und es werden dessen Merkmale bezüglich der Raumform und der für einen dichten Verschluss notwendigen Dichtungsmittel im Innern des Verschlusses 1 weder dargestellt noch näher erläu­tert.
Am Rand 3 an der offenen Seite des Verschlusses 1 ist das Si­cherheitsband 2 in Gestalt eines im wesentlichen kreiszylinder­mantelförmigen Ringes 5 angebracht. Der Ring 5 ist mittels zweier Verbindungsstege 7 und 9 im wesentlichen starr und un­trennbar oder trennbar mit dem Verschluss 1 verbunden. Unmittel­bar beim Verbindungssteg 7 ist an der Stelle B der Querschnitt des Ringes 5 durch eine Einschnurung 11 wesentlich verkleinert. Die Einschnürung 11 weist an ihrer dünnsten Stelle vorzugsweise nur noch die Dicke einer Haut auf. Zusätzlich zur Wandstärken­verringerung kann der Ring 5 an der Einschnürung 11 durch eine spitzwinklige Kerbe 13 verengt sein. Der Verbindungssteg 9 be­findet sich in einem Abstand vom Verbindungssteg 7, der vorzugs­weise geringer ist als der halbe Umfang des Ringes 5.A perspective view according to FIG. 1 shows a plastic closure 1 with a security band 2 in a view from below. The closure 1 is not the subject of the invention, and its features with regard to the spatial shape and the sealing means necessary for a tight closure are neither shown nor explained in detail inside the closure 1.
At the edge 3 on the open side of the closure 1, the security band 2 is attached in the form of an essentially circular cylinder-shaped ring 5. The ring 5 is essentially rigidly and inseparably or separably connected to the closure 1 by means of two connecting webs 7 and 9. Immediately at the connecting web 7, the cross section of the ring 5 is significantly reduced at point B by a constriction 11. The constriction 11 preferably has at its thinnest point only the thickness of a skin. In addition to the reduction in wall thickness, the ring 5 on the constriction 11 can be narrowed by an acute-angled notch 13. The connecting web 9 is located at a distance from the connecting web 7, which is preferably less than half the circumference of the ring 5.

Seitlich des Verbindungssteges 9 an der mit A bezeichneten Stel­le ist der Ring 5 durch einen vorzugsweise in einen spitzen Win­kel auslaufenden Einschnitt 15 axial geteilt. Die Trennstelle beim Einschnitt 15 kann auch mit einer dünnen Haut überbrückt sein, deren Festigkeit vernachlässigbar klein ist, die aber op­tisch den Ring 5 einteilig erscheinen lässt, bevor dieser beim Öffnen oder Entfernen eines Ringabschnittes zerrissen wird (in gebrochenen Linien angedeutet).To the side of the connecting web 9 at the point designated by A, the ring 5 is axially divided by an incision 15 which preferably ends at an acute angle. The separation point at the incision 15 can also be bridged with a thin skin, the strength of which is negligibly small, but which optically makes the ring 5 appear in one piece before it is torn when opening or removing a ring section (indicated by broken lines).

Der Ring 5 kann damit in einen im wesentlichen starr und un­trennbar mit dem Verschluss 1 verbundenen kürzeren Ringabschnitt 17 und einen mit dem Verschluss 1 elastisch verbundenen längeren Ringabschnitt 19 geteilt werden. Der Ringabschnitt 19 ist an der Stelle A nur durch einen sehr schmalen Verbindungssteg 21 mit dem Verschluss 1 verbunden. Vorzugsweise wird die schwächste Stelle des Verbindungssteges 21 durch eine Kerbe 23 exakt be­stimmt.The ring 5 can thus be divided into a substantially rigid and inseparably connected shorter ring section 17 and a longer ring section 19 elastically connected to the closure 1. The ring section 19 is connected to the closure 1 at point A only by a very narrow connecting web 21. The weakest point of the connecting web 21 is preferably precisely determined by a notch 23.

Auf dem Ringabschnitt 19 ist in geringem Abstand zum Einschnitt 15 oder direkt an diesen anschliessend auf der Innenseite ein tangential verlaufender Haltenocken 25 angebracht. Ein weiterer Haltenocken 25 kann ebenfalls direkt anschliessend an die Ein­schnürung 11 oder in einem geringen Abstand zu dieser angeordnet sein. Weitere Haltenocken 25 können in regelmässigen oder unre­gelmässigen Abständen ebenfalls auf der Innenseite der Ringab­schnitte 17 und 19 vorgesehen sein.On the ring section 19, a tangential holding cam 25 is attached at a short distance from the incision 15 or directly thereafter on the inside. Another holding cam 25 can also be arranged directly after the constriction 11 or at a short distance from it. Further holding cams 25 can also be provided at regular or irregular intervals on the inside of the ring sections 17 and 19.

Etwa in der Mitte zwischen der Einschnürung 11 und der Stelle A ist der Ringabschnitt 19 durch mindestens eine Sollbruchstelle 27, z.B. einen fadenförmigen Steg, oder eine anders ausgebilde­te, definiert aufbrechbare Verbindung mit dem Verschluss 1 ver­bunden. Direkt über der Sollbruchstelle 27 ist kein Haltenocken 25 angebracht. Der Steg 27 liegt vorzugsweise zwischen zwei 25 Haltenocken.Approximately in the middle between the constriction 11 and the point A, the ring section 19 is connected to the closure 1 by at least one predetermined breaking point 27, for example a thread-like web, or a differently designed, breakable connection. There is no holding cam directly above the predetermined breaking point 27 25 attached. The web 27 is preferably between two 25 holding cams.

Der in einem Abstand zum Rand 3 des Verschlusses 1 liegende Ring 5 weist in im wesentlichen regelmässigen Abständen gegen den Rand 3 des Verschlusses 1 gerichtete Stütznocken 29 auf. Das freie Ende 31 der Stütznocken 29 liegt in geringem Abstand - wie in Figur 4 gezeigt - oder in direkter Berührung mit der Kante 3. Vorzugsweise ist an den Stütznocken 29 ein Fuss 30 angebracht, so dass eine breite Auflagefläche fur den Rand 3 des Verschlus­ses 1 entsteht. Die Auflagefläche kann parallel oder geneigt zum Rand 3 verlaufen.The ring 5 lying at a distance from the edge 3 of the closure 1 has support cams 29 directed against the edge 3 of the closure 1 at substantially regular intervals. The free end 31 of the support cams 29 is at a short distance - as shown in FIG. 4 - or in direct contact with the edge 3. A foot 30 is preferably attached to the support cams 29, so that a wide contact surface for the edge 3 of the closure 1 arises. The contact surface can run parallel or inclined to the edge 3.

Zur Erhöhung der Festigkeit des Ringes 5 bzw. der Ringabschnitte 17 und 19 kann der Ring 5 mit einer umlaufenden Rippe 33 vorse­hen sein. Auch die Rippe 33 kann an der Stelle A unterbrochen und bei der Einschnürung 11 kann deren Querschnitt ebenfalls verringert sein.To increase the strength of the ring 5 or the ring sections 17 and 19, the ring 5 can be provided with a circumferential rib 33. The rib 33 can also be interrupted at the point A and the cross section of the constriction 11 can also be reduced.

In der Figur 2, welche einen Schnitt durch den Verschluss ent­lang der Kante 3 darstellt, ist deutlich die geringere Länge des Ringabschnittes 17 mit den beiden diesen Ringabschnitt verbin­denden Stegen 7 und 9 sowie dem benachbart liegenden Einschnitt 15 bzw. der Einschnürung 11 sichtbar.
Die Haltenocken 25 sind im wesentlichen übergangsfrei in den Ring 5 überlaufend ausgebildet. Die Sollbruchstelle 27 weist einen kleinsten Durchmesser auf, der ca. zwei- bis zehnmal ge­ringer ist als die Dicke d des Ringes 5.In FIG. 2, which shows a section through the closure along the edge 3, the shorter length of the ring section 17 with the two webs 7 and 9 connecting this ring section and the adjacent incision 15 or the constriction 11 is clearly visible.
The holding cams 25 are designed to overflow into the ring 5 essentially without transition. The predetermined breaking point 27 has a smallest diameter that is approximately two to ten times less than the thickness d of the ring 5.

Anstelle eines Ringes 5 mit auf dem Umfang verteilten Stütz­nocken 29 kann auch ein Ring 5 mit umlaufender Abstützung 30 vorgesehen werden.
In Figur 5 ist der Querschnitt einer solchen umlaufenden Abstüt­zung 30 gezeigt. Bei dieser Ausgestaltung kann auf die Ausbil­dung einer Rippe 33 verzichtet werden, weil der Ring 5 an sich eine genügende Stabilität aufweist.
Die Flanken der Abstützung 30 müssen nicht geradlinig verlaufen; sie können auch bogenförmig (in gebrochenen Linien in Figur 5 angedeutet) oder geknickt ausgebildet sein.Instead of a ring 5 with support cams 29 distributed over the circumference, a ring 5 with circumferential support 30 can also be provided.
The cross section of such a circumferential support 30 is shown in FIG. In this embodiment, there is no need to form a rib 33 because the ring 5 has sufficient stability per se.
The flanks of the support 30 do not have to run in a straight line; they can also be arcuate (in broken lines in Figure 5 indicated) or kinked.

Im folgenden wird die Funktionsweise des erfindungsgemässen Ver­schlusses 1 bzw. des aus dem Ring 5 gebildeten Sicherheitsbandes 2 näher erläutert.The mode of operation of the closure 1 according to the invention and of the security band 2 formed from the ring 5 is explained in more detail below.

Der Verschluss 1 mit dem daran angebrachten Sicherungsband 2 wird in herkömmlicher Weise mit einer Verschlussmaschine auf das Gewinde 43 einer Flasche 41 oder eines anderen eine Öffnung mit einem Gewinde 43 versehenen Behälters aufgeschraubt. Beim Auf­schrauben des Verschlusses 1 behält der kürzere Ringabschnitt 17 seine Lage zum Verschluss 1 im wesentlichen bei. Der längere Ringabschnitt 19 wird durch das Gewinde 43 und im besonderen durch den dem Gewinde 43 folgenden umlaufenden Wulst 37 an der Mündung 39 radial nach aussen gedrängt. Die elastische Verbin­dung an der Stelle A, insbesondere der dünne Verbindungssteg 21 und die Sollbruchstelle 27 sowie die Einschnürung 11 ermöglichen diese radiale Bewegung, ohne dabei Schaden zu nehmen.The closure 1 with the securing band 2 attached to it is screwed onto the thread 43 of a bottle 41 or another opening provided with a thread 43 in a conventional manner with a sealing machine. When the closure 1 is screwed on, the shorter ring section 17 essentially remains in its position relative to the closure 1. The longer ring section 19 is pushed radially outwards by the thread 43 and in particular by the circumferential bead 37 following the thread 43 at the mouth 39. The elastic connection at point A, in particular the thin connecting web 21 and the predetermined breaking point 27 and the constriction 11 enable this radial movement without being damaged in the process.

Sobald die Haltenocken 25 uber den Wulst 37 an der Mündung 39 hinwegbewegt sind, d.h. sich unterhalb des Wulstes 37 befinden, springt der Ringabschnitt 19 und 17, sofern Nocken vorhanden sind, in die ursprüngliche Lage zurück und verhakt sich an der Unterseite des Wulstes 37, dessen untenliegende Flanke im we­sentlichen radial zum Flaschenhals 39 verläuft. Während des Auf­schraubens wird der Ring 5 stets von den Stütznocken 29 bzw. der umlaufenden Abstützung 30 am Verschluss 1 gestützt.As soon as the holding cams 25 have moved over the bead 37 at the mouth 39, i.e. are located below the bead 37, the ring section 19 and 17, if there are cams, springs back into the original position and hooks on the underside of the bead 37, the flank of which lies essentially radially to the bottle neck 39. During the screwing on, the ring 5 is always supported by the support cams 29 or the circumferential support 30 on the closure 1.

Beim Aufdrehen des Verschlusses 1 zum Öffnen der Flasche gelan­gen die Haltenocken 25 axial von unten in Anlage mit der im we­sentlichen radial verlaufenden unteren Flanke des Wulstes 37 und werden von dieser zuruckgehalten. Durch die uber die Haltenocken 25 auf den Ringabschnitt 19 wirkenden Kräfte wird der in Dreh­richtung gesehen hinter der Sollbruchstelle 27 befindliche Teil des Ringabschnittes 19 unter dem Wulst 37 am Flaschenhals 39 zuruckgehalten, während der Verschluss 1 axial nach oben geführt wird. Mit zunehmendem Abstand zwischen dem Ringabschnitt 19 und dem Rand 3 des Verschlusses 1 wird die Zugkraft auf die Soll­ bruchstelle 27 so gross, dass diese reisst. Nun wird der nur noch an der Einschnürung 11 und am Steg 21 gehaltene Ringab­schnitt 19 zwischen den beiden Verbindungsstellen unter dem Wulst 37 der Flasche 1 gehalten. Beim weiteren Aufdrehen des Verschlusses 1 oder spätestens beim Abnehmen des Verschlusses 1 reisst die Verbindung auch an der Einschnürung 11. Die Verbin­dung an der Stelle A bleibt erhalten, da die Kerbe 23 erlaubt, dass der Ringabschnitt 19 scharnierartig geschwenkt wird. Die plastische Verformung des Verbindungssteges 21 bewirkt, dass der vom Verschluss 1 teilweise abgetrennte Ringabschnitt 19 nicht in die ursprüngliche Lage zurückfedern und/oder leicht abgerissen werden kann.
Das einmal aufgerissene Sicherheitsband 2 kann auch nicht zum Schein wieder an den Verschluss 1 angelegt werden.When the cap 1 is opened to open the bottle, the retaining cams 25 come into axial contact from below with the essentially radially extending lower flank of the bead 37 and are held back by the latter. Due to the forces acting on the ring section 19 via the retaining cams 25, the part of the ring section 19 located behind the predetermined breaking point 27 in the direction of rotation is held back under the bead 37 on the bottle neck 39, while the closure 1 is guided axially upward. With increasing distance between the ring portion 19 and the edge 3 of the closure 1, the tensile force becomes the target break 27 so big that it tears. Now the ring section 19 held only on the constriction 11 and on the web 21 is held between the two connection points under the bead 37 of the bottle 1. When the closure 1 is unscrewed further, or at the latest when the closure 1 is removed, the connection also tears at the constriction 11. The connection at point A is retained since the notch 23 allows the ring section 19 to be pivoted like a hinge. The plastic deformation of the connecting web 21 has the effect that the ring section 19 partially separated from the closure 1 cannot spring back into the original position and / or can easily be torn off.
Once the security band 2 has been torn open, it cannot be put back on the closure 1.

Claims (10)

1. Sicherheitsband an einem Gebindeverschluss aus Kunststoff, welches Sicherheitsband aus einem umlaufenden Ring besteht, der durch mehrere Stege mit dem Flaschenverschluss verbunden und beim Öffnen der Flasche vom Verschluss abtrennbar ist, dadurch gekennzeichnet, dass der Ring (5) aus zwei ungleich langen Ringabschnitten (17 und 19) besteht, die an den Stel­len (A und B) am Umfang durch eine örtlich begrenzte, den gesamten Ringquerschnitt örtlich verkleinernde Einschnurung (11) bzw. einen Einschnitt (15) erzeugt werden.1. Safety band on a plastic container closure, which safety band consists of a circumferential ring which is connected to the bottle closure by several webs and can be separated from the closure when the bottle is opened, characterized in that the ring (5) consists of two ring sections of different lengths ( 17 and 19), which are generated at points (A and B) on the circumference by means of a locally limited constriction (11) or an incision (15) that locally reduces the entire ring cross section. 2. Sicherheitsband nach Anspruch 1, dadurch gekennzeichnet, dass der Ringabschnitt (17) im wesentlichen starr und un­trennbar oder trennbar mit Stegen (7 und 9) mit dem Ver­schluss (1) verbunden und der zweite Ringabschnitt (19) durch einen elastisch ausgebildeten Steg (21) und durch die Einschnürung (11), die die beiden Ringabschnitte (17 und 19) direkt miteinander verbindet, mit dem Verschluss (1) verbun­den ist.2. Safety band according to claim 1, characterized in that the ring section (17) is essentially rigid and inseparable or separable with webs (7 and 9) with the closure (1) and the second ring section (19) by an elastically designed web ( 21) and through the constriction (11), which connects the two ring sections (17 and 19) directly to one another, is connected to the closure (1). 3. Sicherheitsband nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Abschnitt (17) des Ringes (5) an den Enden durch Stege (7 und 9) im wesentlichen starr und untrennbar oder trennbar mit dem Verschluss (1) verbunden ist.3. Safety band according to one of claims 1 or 2, characterized in that the section (17) of the ring (5) at the ends by webs (7 and 9) is essentially rigid and inseparable or separable from the closure (1) . 4. Sicherheitsband nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass die Ringabschnitte (17 und 19) mindes­tens je einen gegen den Verschluss (1) gerichteten, jedoch nicht mit diesem verbundenen Stütznocken (29) oder einer um­laufenden Abstützung (30) aufweisen.4. Safety band according to one of claims 2 or 3, characterized in that the ring sections (17 and 19) each have at least one against the closure (1) but not connected to this support cam (29) or a circumferential support (30) . 5. Sicherheitsband nach Anspruch 4, dadurch gekennzeichnet, dass am Stütznocken (29) bzw. die umlaufende Abstützung (30) ein eine breite Auflagefläche bildender Fuss (30) angebracht ist, dessen dem Rand (3) des Verschlusses (1) zugewendete Auflagefläche parallel oder geneigt verläuft.5. Safety band according to claim 4, characterized in that on the support cam (29) or the circumferential support (30) a foot (30) forming a wide support surface is attached, the support surface facing the edge (3) of the closure (1) is parallel or inclined. 6. Sicherheitsband nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass am Ring (5) eine Verstärkungsrippe (33) angebracht ist.6. Security band according to one of claims 1 to 5, characterized in that on the ring (5) a reinforcing rib (33) is attached. 7. Sicherheitsband nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass am Ringabschnitt (19) mindestens ein den Ringabschnitt (19) mit dem Verschluss (1) verbindende Sollbruchstelle (27) oder ein fadenförmiger Steg angebracht ist.7. Security band according to one of claims 2 to 6, characterized in that at least one of the ring section (19) with the closure (1) connecting predetermined breaking point (27) or a thread-like web is attached to the ring section (19). 8. Sicherheitsband nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass auf der Innenseite des Ringes (5) ein oder mehrere tangential ausgerichtete Haltenocken (25) ange­bracht sind.8. Safety band according to one of claims 1 to 7, characterized in that on the inside of the ring (5) one or more tangentially aligned holding cams (25) are attached. 9. Sicherheitsband nach Anspruch 8, dadurch gekennzeichnet, dass am Ringabschnitt (19) je ein Haltenocken (25) unmittel­bar im Anschluss an die Einschnürung (11) und/oder an die Stelle (A) beim Einschnitt (15) anschliessend angeordnet ist.9. Safety band according to claim 8, characterized in that on the ring section (19) a holding cam (25) immediately after the constriction (11) and / or at the point (A) at the incision (15) is then arranged. 10. Sicherheitsband nach Anspruch 8 oder Anspruch 9, dadurch ge­kennzeichnet, dass im Bereich direkt über der Sollbruchstel­le (27) kein Haltenocken (25) angebracht ist.10. Safety band according to claim 8 or claim 9, characterized in that in the area directly above the predetermined breaking point (27) no holding cam (25) is attached.
EP87810309A 1986-07-11 1987-05-25 Container closure provided with a tamper indicating band Expired - Lifetime EP0254673B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2794/86 1986-07-11
CH279486 1986-07-11

Publications (2)

Publication Number Publication Date
EP0254673A1 true EP0254673A1 (en) 1988-01-27
EP0254673B1 EP0254673B1 (en) 1990-04-18

Family

ID=4241734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87810309A Expired - Lifetime EP0254673B1 (en) 1986-07-11 1987-05-25 Container closure provided with a tamper indicating band

Country Status (5)

Country Link
US (1) US4744479A (en)
EP (1) EP0254673B1 (en)
DE (1) DE3762328D1 (en)
ES (1) ES2016114B3 (en)
IL (1) IL82789A0 (en)

Cited By (3)

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GB2255553A (en) * 1991-05-08 1992-11-11 Ultimos Desarrollos Bottle cap with tamper evident ring seal
EP0703155A1 (en) 1994-09-20 1996-03-27 PELLICONI ABRUZZO S.r.l. Plastic closure with tamper evident ring
EP0799772A1 (en) * 1996-04-03 1997-10-08 Weiss K.G. Plastic screw cap and method for manufacturing the same

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DE58904871D1 (en) * 1988-11-28 1993-08-12 Crown Cork Ag SCREW CAP WITH WARRANTY TAPE.
US5248050A (en) * 1990-04-27 1993-09-28 Crown Cork Ag Cap having expandable guarantee strip
NO911503L (en) * 1990-04-27 1991-10-28 Crown Cork Ag SCREW SHAPE WITH A WARRANTY TABLE EXTENDED BY PRECISION TURNING UP.
US5176270A (en) * 1991-05-22 1993-01-05 Guala S.P.A. Tamperproof closure for bottles and the like
US5853095A (en) * 1992-12-18 1998-12-29 White Cap, Inc. Tamper evident splitting closure
JP3051637B2 (en) * 1993-07-19 2000-06-12 株式会社吉野工業所 cap
ES1028707U (en) * 1993-09-03 1995-03-01 Novembal Sa Screwcap with tamper evidence band, package provided with such a cap, method of making such a cap and such a package.
FR2710325B1 (en) * 1993-09-22 1995-12-08 Jacques Perchepied Screw cap.
FR2718714B1 (en) * 1994-04-15 1996-07-19 Rical Sa Screw cap for plugging the neck of a container.
US5484071A (en) * 1994-05-23 1996-01-16 Zumbuhl; Bruno Tamper indicating ring construction for closures
US5957315A (en) * 1996-12-17 1999-09-28 Japan Crown Cork Co., Ltd. Plastic container closure with tamper evident properties
JP3847868B2 (en) * 1996-12-17 2006-11-22 日本クラウンコルク株式会社 Synthetic resin container lid with tamper evident characteristics
DE19827242A1 (en) 1998-06-18 1999-12-30 Mouldtec Kunststoff Gmbh Sealing cap, in particular screw cap made of plastic with a guarantee band
US6053344A (en) 1998-07-02 2000-04-25 Owens-Illinois Closure Inc. Tamper-indicating closure and method of manufacture
ITBS20060190A1 (en) * 2006-10-27 2008-04-28 Guala Pack Spa CAP FOR CONTAINER WITH SEALED GUARANTEE
US10377534B2 (en) * 2016-02-02 2019-08-13 Niagara Bottling, Llc Tamper evidence bridges
US11214410B2 (en) 2016-02-02 2022-01-04 Niagara Bottling, Llc Tamper evidence container closure
WO2018020532A1 (en) 2016-07-29 2018-02-01 株式会社吉野工業所 Container
US11597556B2 (en) 2018-07-30 2023-03-07 Niagara Bottling, Llc Container preform with tamper evidence finish portion
US11214414B2 (en) * 2019-09-18 2022-01-04 Silgan White Cap LLC Tamper evident flip cap
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container
US20220041339A1 (en) * 2020-08-07 2022-02-10 Niagara Bottling, Llc Single anchor closure

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GB2255553A (en) * 1991-05-08 1992-11-11 Ultimos Desarrollos Bottle cap with tamper evident ring seal
EP0703155A1 (en) 1994-09-20 1996-03-27 PELLICONI ABRUZZO S.r.l. Plastic closure with tamper evident ring
EP0799772A1 (en) * 1996-04-03 1997-10-08 Weiss K.G. Plastic screw cap and method for manufacturing the same

Also Published As

Publication number Publication date
IL82789A0 (en) 1987-12-20
DE3762328D1 (en) 1990-05-23
ES2016114B3 (en) 1990-10-16
EP0254673B1 (en) 1990-04-18
US4744479A (en) 1988-05-17

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