EP0714368B1 - Closure cap with warranty ring - Google Patents
Closure cap with warranty ring Download PDFInfo
- Publication number
- EP0714368B1 EP0714368B1 EP95918496A EP95918496A EP0714368B1 EP 0714368 B1 EP0714368 B1 EP 0714368B1 EP 95918496 A EP95918496 A EP 95918496A EP 95918496 A EP95918496 A EP 95918496A EP 0714368 B1 EP0714368 B1 EP 0714368B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- tamper
- container
- security
- closure cap
- 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.)
- Expired - Lifetime
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- 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
Definitions
- the invention relates to a closure cap made of plastic material with a guarantee ring, according to the generic term of Claim 1.
- Such caps are preferred as Screw caps designed and for closing container mouths used with external thread. With attached The cap usually grips under the guarantee ring ring-shaped projection at the container mouth, causing tearing of the guarantee ring leads when the container first is opened.
- Such guarantee closures are, for example used to securely close beverage bottles. The condition of the guarantee ring leaves the consumer recognize whether the container has already been opened.
- GB 2 199 571 A is a container closure with a Guarantee band known, which on the inside with a inner ring is provided.
- the inner ring can have a projection reach under the container mouth and thus serves as Retention element.
- By extending the guarantee ring you can the accessibility of the inner ring can be reduced, so that manipulation of the one serving as a retaining element inner ring is impossible.
- Such a construction avoids but not a simultaneous widening of the guarantee ring and inner retaining ring.
- the cap consists of a cap base and a adjoining, usually cylindrical cap wall. It is mainly designed as a screw cap, the Cap wall has a screw thread on the inside, which when closing the container with a corresponding one External thread of the container mouth engaged becomes.
- other locking systems such as Bayonet or snap locks can be used.
- the Cap wall is on its lower, facing away from the cap bottom Edge connected with a tear-off guarantee ring. This engages under a mostly ring-shaped container Projection on the neck of the container.
- the tearable connection between the guarantee ring and the cap wall Rule of individual, distributed over the circumference Predetermined breaking bars or e.g.
- the guarantee ring can also through one or more wide bars firmly attached to the cap wall be connected and at the same time a predetermined breaking point on its circumference with a reduced guarantee ring cross-section.
- Such guarantee strips are in a variety of Known embodiments, they remain even after opening of the container through the wider connecting webs with the Cap wall connected and are therefore preferred for closing reusable containers (e.g. deposit bottles).
- Such guarantee rings already offer some Protection against unauthorized manipulation, after all, when trying to stretch the risk that the predetermined breaking point of the guarantee ring tears and the intervention is displayed in this way becomes. It is therefore, in particular, guarantee rings that only pass through Breakaway webs are connected to the cap wall and the therefore remain on the container neck when opening the container, whose security is demonstrated by the present invention can be increased.
- a additional circlip provided that at least one Part of the guarantee ring and coaxial to it is arranged.
- the locking ring is only on its upper, the end facing the cap wall with the guarantee ring connected.
- the retaining ring covers at least part of it of the guarantee ring, so that it no longer comes from the outside is directly accessible. Particularly good protective effect achieved if the free end of the guarantee ring within the Circlip is located.
- the free end is the bottom, not end of the guarantee ring connected to the cap wall. Lies this inside the circlip, it means that the circlip extends beyond the guarantee ring extends below or that the lower edges of the guarantee ring and the locking ring are at least at the same height.
- a locking ring is particularly preferably used, which at least 0.5 mm above the free end of the guarantee ring extends down to below. This is the free end of the Guaranteed rings, which is the main point of attack for stretch tests on the guarantee ring is particularly effective against external ones Impacts protected.
- a mechanical guarantee tape is preferably used on the inside with at least one retaining element has a blocking area which when the container is closed engages under a projection at the container mouth. Stretching tests on the guarantee ring, which theoretically allow it to move the retaining element radially outwards are made more difficult by the additional circlip. But even if the locking ring is stretched, this leads to a slight expansion of the guarantee ring, since the two rings yes are interconnected. The coupling of guarantee ring and The circlip must therefore be kept as small as possible to ensure effective protection. In particular, should that area of the guarantee ring which is the ring-shaped Under the projection on the container neck, from the locking ring be decoupled if possible.
- the circlip is therefore preferably in one above the restricted area connected to the upper part of the guarantee ring.
- the Coupling can be further reduced if the guarantee ring between said upper area and the restricted area of the Retaining element has a section in which the guarantee band is thinner than in the upper area.
- the outside diameter of the Guaranteed rings in its upper range already mentioned is larger than the inner diameter of the locking ring.
- the circlip is placed below this area. This configuration has advantages when the circlip connected to the guarantee ring by predetermined breaking bars becomes. This preferred embodiment will be described below explained in more detail.
- the outside diameter in the upper area of the guarantee ring equal to the outer diameter of the locking ring. This allows the use of simple spraying tools the result is a visually appealing design and deformation the circlip are easier to see because the outer surface of the upper guarantee band area when viewed serves as a reference surface.
- connection between the guarantee ring and the surrounding circlip influences the strength the mechanical coupling between these two elements.
- a connection with a small cross-sectional area causes also less mechanical coupling.
- the locking ring is therefore preferred due to predetermined breaking bars with the guarantee ring connected. This has the added advantage that Stretch tests on the circlip to break these predetermined breaking bars can lead to manipulation from the outside becomes visible.
- the radial load on the circlip is far greater than that Axial load.
- a radial load on the circlip to destroy it the same and thus to a visible from the outside
- the circlip shows evidence of the manipulation according to a further preferred embodiment on his At least one predetermined breaking point with a reduced locking ring cross-section on.
- the tears Circlip at this point.
- You can also have several Predetermined breaking points distributed over the circumference of the retaining ring to be ordered. At the predetermined breaking point, it can e.g. B. a vertical notch, preferably on the inside act of the circlip. This has the advantage that the Outer surface of the circlip in its original condition also in The area of the predetermined breaking points is smooth, so that an injury of these predetermined breaking points is immediately visible.
- the closure cap shown in Figure 1 consists of a Cap base 1 and a subsequent cylindrical Cap wall 2. This is at its lower edge through predetermined breaking bars 4 connected with a guarantee ring 3.
- Figure 1 is only partially shown in section by a Break line delimited part bottom right shows the view the screw cap from the outside.
- the lower part of the guarantee ring 3 is of an additional, Surround coaxially to this arranged locking ring 7.
- the free end 9 of the guarantee ring lies within the Circlip 7. It is therefore difficult to reach from the outside without removing the circlip 7.
- the locking ring has several vertical notches 10, in the area of which its cross section is reduced is. These are predetermined breaking points, which at Break the radial load on the circlip. Through the Arrangement of the notches 10 on the inside of the locking ring 7, its outer surface remains smooth. The break up a predetermined breaking point or a notch 10 is therefore from immediately recognizable from the outside.
- the guarantee ring 3 has an upper area 11 in which to be Outside diameter larger than the inside diameter of the circlip 7 is. This enables the connection of the circlip 7 and ring 3 through approximately parallel to the cap axis standing predetermined breaking webs 8, which are clearly visible from the outside are. These predetermined breaking webs 8 are distributed over the circumference arranged and connect the upper edge of the locking ring with said upper area 11 of the guarantee ring.
- the guarantee ring 3 has a circumferential on its inner surface Retaining element 5 with a locking surface 6, which according to the Mounting the closure has an annular projection on the Under the container mouth. Between the restricted area 6 and the guarantee ring has a section 12 in the upper region 11 with reduced wall thickness. This contributes to the mechanical coupling between the locking ring 7 and the part 5 of the guarantee ring under the container mouth to reduce.
- Figure 2 shows the view of that shown in Figure 1 Screw cap from below.
- the circlip 7 surrounds this lower end 5 of the guarantee ring.
- Its vertical notches 10 are wedge-shaped, with the front tip this wedge only through a thin plastic skin from the The outer surface of the circlip is separated.
- the in Figure 1 The predetermined breaking bars 4 and 8 are shown in this illustration not visible. In contrast, the one starting from the cap bottom 1 Inner seal 14 shown and within the guarantee ring individual sections 13 of the screw thread can be seen.
- FIG 3 is the side view of an alternative embodiment the screw cap according to the invention shown.
- the locking ring consists of individual ring sector-shaped Elements that are separated by predetermined breaking webs 18 are connected. These predetermined breaking webs 18 take over the function the vertical notch shown in Figure 1 10. Sie break open under radial load on the retaining ring, see above that attempts at manipulation become visible from the outside.
- a section of this screw cap is in section in Figure 4 shown.
- the connection between the circlip and the inner guarantee ring 3a which is made of a further number of arranged distributed over the circumference Breakaway webs 21 exist.
- Each of these predetermined breaking bars 21 connects one of the upper predetermined breaking webs 18a of the securing ring with the guarantee ring 3a.
- the guarantee ring 3a itself is analogous to that stated in FIG. 1 through predetermined breaking webs 4 with the cap wall 2 of the closure connected.
- there is a fixed connecting web 15 provided that the guarantee ring 3a at a point of the Connects circumference permanently with the cap wall 2.
- the guarantee ring has a vertical predetermined breaking point 16 with a reduced guarantee ring cross-section on. In this example, this only exists from two thin webs 19, which when opened for the first time of the container tear, so that the guarantee ring from the Container mouth is torn off and even after opening the Container through the connecting element 15 with the cap wall 2 remains connected.
- the retaining elements 20 reach under when the closure is in place a bulge at the container mouth, they correspond in their function the retaining element shown in Figure 1 5.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Pens And Brushes (AREA)
Abstract
Description
Die Erfindung betrifft eine Verschlusskappe aus Kunststoffmaterial
mit einem Garantiering, gemäss dem Oberbegriff von
Anspruch 1. Solche Verschlusskappen werden bevorzugt als
Schraubkappen ausgebildet und zum Verschliessen von Behältermündungen
mit Aussengewinde verwendet. Bei aufgesetzter
Verschlusskappe untergreift der Garantiering einen meist
ringförmigen Vorsprung an der Behältermündung, was zum Abreissen
des Garantierings führt, wenn der Behälter erstmals
geöffnet wird. Solche Garantieverschlüsse werden beispielsweise
zum sicheren Verschliessen von Getränkeflaschen verwendet.
Der Zustand des Garantierings lässt den Konsumenten
erkennen, ob der Behälter bereits geöffnet wurde.The invention relates to a closure cap made of plastic material
with a guarantee ring, according to the generic term of
Insbesondere in der Getränkeindustrie, aber auch beim Verpacken von z. B. pharmazeutischen Produkten, wird grosser Wert auf die Sicherheit und Zuverlässigkeit solcher Garantieverschlüsse gelegt. Manipulationen am Garantieband, welche das unbemerkte Oeffnen des Verschlusses ermöglichen könnten, müssen daher durch geeignete Massnahmen erschwert und nach Möglichkeit ausgeschlossen werden.Especially in the beverage industry, but also in packaging from Z. B. pharmaceutical products, is getting bigger Emphasis on the security and reliability of such guarantee closures placed. Tampering with the guarantee band, which that could allow the closure to go unnoticed, must therefore be made difficult by appropriate measures and Possibility to be excluded.
Aus der US-4,147,268 ist eine Verschlusskappe der genannten Art bekannt, welche einen zusätzlichen Schutzring aufweist. Dieser Schutzring ist an seinem oberen Ende fest mit der Kappenwand verbunden. Er erstreckt sich von dort aus bis zum oberen Ende des Garantierings nach unten und schützt dabei die den Garantiering mit der Kappenwand verbindenden Stege vor Manipulationen. Dagegen ist der Garantiering selbst und insbesondere dessen unterer, die Behältermündung untergreifender Teil, nach wie vor direkt von aussen zugänglich. Versuche welche darauf abzielen den Behälter durch Manipulationen am Garantiering unbemerkt zu öffnen, werden durch den Schutzring nicht behindert. Denkbar sind z. B. Dehnversuche mit dem Ziel, den Garantiering beim Oeffnen des Behälters unbeschadet über den Vorsprung der Behältermündung zu bringen.From US-4,147,268 is a closure cap of the above Type known, which has an additional protective ring. This guard ring is fixed at its upper end with the Cap wall connected. It extends from there to top of the guarantee ring down and protects the webs connecting the guarantee ring to the cap wall from manipulation. In contrast, the guarantee ring itself and especially its lower one, which grips under the container mouth Part, still directly accessible from the outside. Attempting to manipulate the container can be opened unnoticed at the guarantee ring by does not hinder the guard ring. Are conceivable, for. B. stretching tests with the aim of the guarantee ring when opening the container undamaged over the protrusion of the container mouth bring.
Aus der GB 2 199 571 A ist ein Behälterverschluss mit einem Garantieband bekannt, welches auf seiner Innenseite mit einem inneren Ring versehen ist. Der innere Ring kann einen Vorsprung an der Behältermündung untergreifen und dient so als Rückhalteelement. Durch Verlängerung des Garantierings kann die Zugänglichkeit des inneren Rings verringert werden, so dass ein Manipulieren des als Rückhalteelement dienenden inneren Rings unmöglich ist. Eine solche Konstruktion vermeidet aber nicht ein gleichzeitiges Aufweiten von Garantiering und innerem Rückhaltering.GB 2 199 571 A is a container closure with a Guarantee band known, which on the inside with a inner ring is provided. The inner ring can have a projection reach under the container mouth and thus serves as Retention element. By extending the guarantee ring you can the accessibility of the inner ring can be reduced, so that manipulation of the one serving as a retaining element inner ring is impossible. Such a construction avoids but not a simultaneous widening of the guarantee ring and inner retaining ring.
Es ist daher eine Aufgabe der Erfindung die Nachteile des
Bekannten zu vermeiden und eine Kunststoff-Verschlusskappe zu
schaffen, deren Garantiering besser gegen unbemerkte Manipulationen
geschützt ist. Diese Aufgabe wird erfindungsgemäss
durch eine Verschlusskappe mit den Merkmalen von Anspruch 1
gelöst.It is therefore an object of the invention to overcome the disadvantages of
Avoid acquaintances and a plastic cap too
create their guarantee ring better against unnoticed manipulation
is protected. This object is achieved according to the invention
by a closure cap with the features of
Die Verschlusskappe besteht aus einem Kappenboden und einer daran anschliessenden, in der Regel zylindrischen Kappenwand. Sie wird vorwiegend als Schraubkappe ausgebildet, wobei die Kappenwand innenseitig ein Schraubgewinde aufweist, welches beim Verschliessen des Behälters mit einem dazu korrespondierenden Aussengewinde der Behältermündung in Eingriff gebracht wird. Es können jedoch auch andere Verschlussysteme wie z.B. Bajonett- oder Schnappverschlüsse verwendet werden. Die Kappenwand ist an ihrem unteren, vom Kappenboden abgewandten Rand mit einem abreissbaren Garantiering verbunden. Dieser untergreift bei verschlossenem Behälter einen meist ringförmigen Vorsprung an dem Behälterhals. Die abreissbare Verbindung zwischen Garantiering und Kappenwand besteht in der Regel aus einzelnen, über den Umfang verteilt angeordneten Sollbruchstegen oder z.B auch aus einer Sollbruch-Verbindung, mit einem Wandabschnitt mit reduzierter, beispielsweise zu einem Film verdünnter Wandstärke, der beim erstmaligen Öffnen des Verschlusses reisst. Der Garantiering kann ausserdem durch einen oder mehrere breite Stege fest mit der Kappenwand verbunden sein und gleichzeitig an seinem Umfang eine Sollbruchstelle mit reduziertem Garantiering-Querschnitt aufweisen. Derartige Garantiestreifen sind in einer Vielzahl von Ausführungsformen bekannt, sie bleiben auch nach dem Oeffnen des Behälters durch die breiteren Verbindungsstege mit der Kappenwand verbunden und werden daher bevorzugt zum Verschliessen von Mehrwegbehältern (z. B. Pfandflaschen) verwendet. Derartige Garantieringe bieten bereits einen gewissen Schutz vor unbefugten Manipulationen, besteht doch bei Dehnversuchen die Gefahr, dass die Sollbruchstelle des Garantierings reisst und der Eingriff auf diese Weise angezeigt wird. Es sind daher insbesondere Garantieringe, die nur durch Sollbruchstege mit der Kappenwand verbunden sind und die daher beim Oeffnen des Behälters auf dem Behälterhals verbleiben, deren Sicherheit sich durch die vorliegende Erfindung erhöhen lässt.The cap consists of a cap base and a adjoining, usually cylindrical cap wall. It is mainly designed as a screw cap, the Cap wall has a screw thread on the inside, which when closing the container with a corresponding one External thread of the container mouth engaged becomes. However, other locking systems such as Bayonet or snap locks can be used. The Cap wall is on its lower, facing away from the cap bottom Edge connected with a tear-off guarantee ring. This engages under a mostly ring-shaped container Projection on the neck of the container. The tearable connection between the guarantee ring and the cap wall Rule of individual, distributed over the circumference Predetermined breaking bars or e.g. from a predetermined breaking connection, with a wall section with reduced, for example too a film of thinned wall thickness, which is the first time you open it of the closure tears. The guarantee ring can also through one or more wide bars firmly attached to the cap wall be connected and at the same time a predetermined breaking point on its circumference with a reduced guarantee ring cross-section. Such guarantee strips are in a variety of Known embodiments, they remain even after opening of the container through the wider connecting webs with the Cap wall connected and are therefore preferred for closing reusable containers (e.g. deposit bottles). Such guarantee rings already offer some Protection against unauthorized manipulation, after all, when trying to stretch the risk that the predetermined breaking point of the guarantee ring tears and the intervention is displayed in this way becomes. It is therefore, in particular, guarantee rings that only pass through Breakaway webs are connected to the cap wall and the therefore remain on the container neck when opening the container, whose security is demonstrated by the present invention can be increased.
Um Manipulationen am Garantiering zu erschweren, ist ein zusätzlicher Sicherungsring vorgesehen, der wenigstens einen Teil des Garantierings umschliessend und koaxial zu diesem angeordnet ist. Der Sicherungsring ist dabei nur an seinem oberen, der Kappenwand zugewandten Ende mit dem Garantiering verbunden. Der Sicherungsring verdeckt wenigstens einen Teil des Garantierings, so dass dieser von aussen nicht mehr direkt zugänglich ist. Besonders gute Schutzwirkung wird erzielt, wenn das freie Ende des Garantierings innerhalb des Sicherungsrings liegt. Das freie Ende ist das untere, nicht mit der Kappenwand verbundene Ende des Garantierings. Liegt dieses innerhalb des Sicherungsrings, so bedeutet dies, dass sich der Sicherungsring über den Garantiering hinaus nach unten erstreckt oder dass die Unterkanten des Garantierings und des Sicherungsrings zumindest auf gleicher Höhe liegen. Besonders bevorzugt wird ein Sicherungsring verwendet, der sich wenigstens 0,5 mm über das freie Ende des Garantierings hinaus nach unter erstreckt. Damit ist das freie Ende des Garantierings, welches der Haupt-Angriffspunkt für Dehnversuche am Garantiering ist, besonders wirksam gegen äussere Einwirkungen geschützt.To make manipulation of the guarantee ring difficult, is a additional circlip provided that at least one Part of the guarantee ring and coaxial to it is arranged. The locking ring is only on its upper, the end facing the cap wall with the guarantee ring connected. The retaining ring covers at least part of it of the guarantee ring, so that it no longer comes from the outside is directly accessible. Particularly good protective effect achieved if the free end of the guarantee ring within the Circlip is located. The free end is the bottom, not end of the guarantee ring connected to the cap wall. Lies this inside the circlip, it means that the circlip extends beyond the guarantee ring extends below or that the lower edges of the guarantee ring and the locking ring are at least at the same height. A locking ring is particularly preferably used, which at least 0.5 mm above the free end of the guarantee ring extends down to below. This is the free end of the Guaranteed rings, which is the main point of attack for stretch tests on the guarantee ring is particularly effective against external ones Impacts protected.
Bevorzugt wird ein mechanisches Garantieband verwendet, das an seiner Innenseite wenigstens ein Rückhalteelement mit einer Sperrfläche aufweist, welche bei verschlossenem Behälter einen Vorsprung an der Behältermündung untergreift. Dehnversuche am Garantiering, welche es theoretisch erlauben das Rückhalteelement radial nach aussen zu verlagern, sollen durch den zusätzlichen Sicherungsring erschwert werden. Aber auch wenn der Sicherungsring gedehnt wird führt dies zu einer leichten Aufweitung des Garantierings, da die beiden Ringe ja miteinander verbunden sind. Die Kopplung von Garantiering und Sicherungsring muss daher möglichst klein gehalten werden, um einen wirksamen Schutz zu gewährleisten. Insbesondere sollte jener Bereich des Garantierings, welcher den ringförmigen Vorsprung am Behälterhals untergreift, von dem Sicherungsring möglichst entkoppelt sein. Der Sicherungsring wird daher vorzugsweise in einem oberhalb der Sperrfläche liegenden oberen Bereich des Garantierings mit diesem verbunden. Die Kopplung lässt sich weiter verringern, wenn der Garantiering zwischen dem genannten oberen Bereich und der Sperrfläche des Rückhalteelements einen Abschnitt aufweist, in dem das Garantieband dünner als im oberen Bereich ist.A mechanical guarantee tape is preferably used on the inside with at least one retaining element has a blocking area which when the container is closed engages under a projection at the container mouth. Stretching tests on the guarantee ring, which theoretically allow it to move the retaining element radially outwards are made more difficult by the additional circlip. But even if the locking ring is stretched, this leads to a slight expansion of the guarantee ring, since the two rings yes are interconnected. The coupling of guarantee ring and The circlip must therefore be kept as small as possible to ensure effective protection. In particular, should that area of the guarantee ring which is the ring-shaped Under the projection on the container neck, from the locking ring be decoupled if possible. The circlip is therefore preferably in one above the restricted area connected to the upper part of the guarantee ring. The Coupling can be further reduced if the guarantee ring between said upper area and the restricted area of the Retaining element has a section in which the guarantee band is thinner than in the upper area.
Weitere Vorteile ergeben sich, wenn der Aussendurchmesser des Garantierings in seinem bereits genannten oberen Bereich grösser als der Innendurchmesser des Sicherungsrings ist. Der Sicherungsring wird dabei unterhalb dieses Bereichs angeordnet. Diese Konfiguration hat Vorteile, wenn der Sicherungsring durch Sollbruchstege mit dem Garantiering verbunden wird. Diese bevorzugt Ausführungsform wird nachstehend noch näher erläutert. Bei einer besonders bevorzugten Ausführungsform ist der Aussendurchmesser im oberen Bereich des Garantierings gleich dem Aussendurchmesser des Sicherungsrings. Dies erlaubt die Verwendung einfacher Spritzwerkzeuge, es ergibt sich ein optisch ansprechendes Design und Verformungen des Sicherungsrings sind leichter erkennbar, da die Aussenfläche des oberen Garantieband-Bereichs bei der Betrachtung als Referenzfläche dient. Further advantages result if the outside diameter of the Guaranteed rings in its upper range already mentioned is larger than the inner diameter of the locking ring. Of the The circlip is placed below this area. This configuration has advantages when the circlip connected to the guarantee ring by predetermined breaking bars becomes. This preferred embodiment will be described below explained in more detail. In a particularly preferred embodiment is the outside diameter in the upper area of the guarantee ring equal to the outer diameter of the locking ring. This allows the use of simple spraying tools the result is a visually appealing design and deformation the circlip are easier to see because the outer surface of the upper guarantee band area when viewed serves as a reference surface.
Auch die Stärke der Verbindung zwischen dem Garantiering und dem diesen umgebenden Sicherungsring beeinflusst die Stärke der mechanischen Kopplung zwischen diesen zwei Elementen. Eine Verbindung mit kleiner Querschnittsfläche verursacht auch eine geringere mechanische Kopplung. Der Sicherungsring wird daher bevorzugt durch Sollbruchstege mit dem Garantiering verbunden. Dies hat den zusätzlichen Vorteil, dass Dehnversuche am Sicherungsring zum Bruch dieser Sollbruchstege führen können, so dass die Manipulation von aussen sichtbar wird.Also the strength of the connection between the guarantee ring and the surrounding circlip influences the strength the mechanical coupling between these two elements. A connection with a small cross-sectional area causes also less mechanical coupling. The locking ring is therefore preferred due to predetermined breaking bars with the guarantee ring connected. This has the added advantage that Stretch tests on the circlip to break these predetermined breaking bars can lead to manipulation from the outside becomes visible.
Tatsächlich ist jedoch, insbesondere bei Dehnversuchen, die radiale Belastung des Sicherungsrings weit grösser als dessen Belastung in axialer Richtung. Um sicher zu stellen, dass auch eine radiale Belastung des Sicherungsrings zur Zerstörung desselben und damit zu einem von aussen sichtbaren Beweis für die Manipulation führt, weist der Sicherungsring nach einer weiteren bevorzugten Ausführungsform an seinem Umfang wenigstens eine Sollbruchstelle mit reduziertem Sicherungsring-Querschnitt auf. Bei radialer Belastung reisst der Sicherungsring an dieser Stelle. Es können auch mehrere Sollbruchstellen über den Umfang des Sicherungsrings verteilt angeordnet werden. Bei der Sollbruchstelle kann es sich z. B. um eine vertikale Einkerbung, vorzugsweise an der Innenseite des Sicherungsrings handeln. Dies hat den Vorteil, dass die Aussenfläche des Sicherungsrings im Original-Zustand auch im Bereich der Sollbruchstellen glatt ist, so dass eine Verletzung dieser Sollbruchstellen sofort sichtbar wird.In fact, especially when stretching, the radial load on the circlip is far greater than that Axial load. To ensure, that also a radial load on the circlip to destroy it the same and thus to a visible from the outside The circlip shows evidence of the manipulation according to a further preferred embodiment on his At least one predetermined breaking point with a reduced locking ring cross-section on. In the event of radial loading, the tears Circlip at this point. You can also have several Predetermined breaking points distributed over the circumference of the retaining ring to be ordered. At the predetermined breaking point, it can e.g. B. a vertical notch, preferably on the inside act of the circlip. This has the advantage that the Outer surface of the circlip in its original condition also in The area of the predetermined breaking points is smooth, so that an injury of these predetermined breaking points is immediately visible.
Die Erfindung ist im folgenden anhand von Ausführungsbeispielen näher erläutert. Es zeigen:
Figur 1- die Schnittdarstellung einer Kunststoff-Verschlusskappe mit einem Garantiering, welcher teilweise von einem Sicherungsring umgeben ist,
Figur 2- die Ansicht der in
Figur 1 dargestellten Verschlusskappe von unten, - Figur 3
- die Seitenansicht einer alternativen Schraubkappe mit Garantiering und Sicherungsring, und
Figur 4- die Schnittdarstellung des Garantierings der in Figur 3 gezeigten Verschlusskappe.
- Figure 1
- the sectional view of a plastic cap with a guarantee ring, which is partially surrounded by a locking ring,
- Figure 2
- the view of the closure cap shown in Figure 1 from below,
- Figure 3
- the side view of an alternative screw cap with guarantee ring and locking ring, and
- Figure 4
- the sectional view of the guarantee ring of the closure cap shown in Figure 3.
Die in Figur 1 dargestellte Verschlusskappe besteht aus einem
Kappenboden 1 und einer daran anschliessenden, zylindrischen
Kappenwand 2. Diese ist an ihrem unteren Rand durch Sollbruchstege
4 mit einem Garantiering 3 verbunden. Die Figur 1
ist nur teilweise im Schnitt dargestellt, die durch eine
Bruchlinie eingegrenzte Partie unten rechts zeigt die Ansicht
der Schraubkappe von aussen.The closure cap shown in Figure 1 consists of a
Der untere Teil des Garantierings 3 ist von einem zusätzlichen,
koaxial zu diesem angeordneten Sicherungsring 7 umgeben.
Das freie Ende 9 des Garantierings liegt innerhalb des
Sicherungsrings 7. Es ist daher von aussen nur schwer erreichbar,
ohne den Sicherungsring 7 zu entfernen. An seiner
Innenseite weist der Sicherungsring mehrere vertikale Einkerbungen
10 auf, in deren Bereich sein Querschnitt reduziert
ist. Es handelt sich dabei um Sollbruchstellen, welche bei
radialer Belastung des Sicherungsrings aufbrechen. Durch die
Anordnung der Einkerbungen 10 auf der Innenseite des Sicherungsrings
7 bleibt seine Aussenfläche glatt. Das Aufbrechen
einer Sollbruchstelle bzw. einer Einkerbung 10 ist daher von
aussen sofort erkennbar.The lower part of the guarantee ring 3 is of an additional,
Surround coaxially to this arranged locking
Der Garantiering 3 hat einen oberen Bereich 11, in dem sein
Aussendurchmesser grösser als der Innendurchmesser des Sicherungsrings
7 ist. Dies ermöglicht die Verbindung von Sicherungsring
7 und Garantiering 3 durch etwa parallel zur Kappenachse
stehende Sollbruchstege 8, die von aussen gut sichtbar
sind. Diese Sollbruchstege 8 sind über den Umfang verteilt
angeordnet und verbinden den oberen Rand des Sicherungsrings
mit dem genannten oberen Bereich 11 des Garantierings.The guarantee ring 3 has an
An seiner Innenfläche hat der Garantiering 3 ein umlaufendes
Rückhalteelement 5 mit einer Sperrfläche 6, welche nach der
Montage des Verschlusses einen ringförmigen Vorsprung an der
Behältermündung untergreift. Zwischen der Sperrfläche 6 und
dem oberen Bereich 11 hat der Garantiering einen Abschnitt 12
mit reduzierter Wandstärke. Dieser trägt mit dazu bei, die
mechanische Kopplung zwischen dem Sicherungsring 7 und dem
die Behältermündung untergreifenden Teil 5 des Garantierings
zu reduzieren.The guarantee ring 3 has a circumferential on its inner
Figur 2 zeigt die Ansicht der in Figur 1 dargestellten
Schraubkappe von unten. Der Sicherungsring 7 umgibt das
untere Ende 5 des Garantierings. Seine vertikalen Einkerbungen
10 sind keilförmig ausgeprägt, wobei die vordere Spitze
dieses Keils nur durch eine dünne Kunststoffhaut von der
Aussenfläche des Sicherungsrings getrennt ist. Die in Figur 1
gezeigten Sollbruchstege 4 und 8 sind in dieser Darstellung
nicht erkennbar. Dagegen ist die vom Kappenboden 1 ausgehende
Innendichtung 14 eingezeichnet und innerhalb des Garantierings
sind einzelne Abschnitte 13 des Schraubgewindes erkennbar.Figure 2 shows the view of that shown in Figure 1
Screw cap from below. The
In Figur 3 ist die Seitenansicht einer alternativen Ausführungsform
der erfindungsgemässen Schraubkappe dargestellt.
Hier besteht der Sicherungsring aus einzelnen ringsektorförmigen
Elementen, die durch Sollbruchstege 18 miteinander
verbunden sind. Diese Sollbruchstege 18 übernehmen die Funktion
der in Figur 1 gezeigten vertikalen Einkerbung 10. Sie
brechen bei radialer Belastung des Sicherungsrings auf, so
dass Manipulationsversuche von aussen sichtbar werden. In Figure 3 is the side view of an alternative embodiment
the screw cap according to the invention shown.
Here, the locking ring consists of individual ring sector-shaped
Elements that are separated by predetermined breaking
Ein Ausschnitt dieser Schraubkappe ist in Figur 4 im Schnitt
dargestellt. Hier ist die Verbindung zwischen dem Sicherungsring
und dem inneren Garantiering 3a sichtbar, welche aus
einer weiteren Anzahl von über den Umfang verteilt angeordneten
Sollbruchstegen 21 besteht. Jeder dieser Sollbruchstege
21 verbindet einen der oberen Sollbruchstege 18a des Sicherungsrings
mit dem Garantiering 3a.A section of this screw cap is in section in Figure 4
shown. Here is the connection between the circlip
and the inner guarantee ring 3a, which is made of
a further number of arranged distributed over the
Der Garantiering 3a selbst ist analog dem zu Figur 1 gesagten
durch Sollbruchstege 4 mit der Kappenwand 2 des Verschlusses
verbunden. Zusätzlich ist ein fester Verbindungssteg 15
vorgesehen, welcher den Garantiering 3a an einer Stelle des
Umfangs dauerhaft mit der Kappenwand 2 verbindet. Direkt
neben dem Verbindungselement 15 weist der Garantiering eine
vertikale Sollbruchstelle 16 mit reduziertem Garantiering-Querschnitt
auf. Dieser besteht in diesem Beispiel lediglich
aus zwei dünnen Stegen 19, welche beim erstmaligen Oeffnen
des Behälters reissen, so dass der Garantiering von der
Behältermündung abgerissen wird und auch nach dem Oeffnen des
Behälters durch das Verbindungselement 15 mit der Kappenwand
2 verbunden bleibt.The guarantee ring 3a itself is analogous to that stated in FIG. 1
through predetermined breaking
Die Rückhalteelemente 20 untergreifen bei aufgesetztem Verschluss
einen Wulst an der Behältermündung, sie entsprechen
in ihrer Funktion dem in Figur 1 gezeigten Rückhalteelement
5.The retaining
Claims (9)
- Closure cap of a plastic material for closure of a container opening, with a cap base (1) and a cylindrical cap wall (2) emanating from said cap base and connected at its lowermost edge with a frangible anti-tamper ring (3) possessing retaining elements (5, 20) to engage beneath a protrusion on the container mouth, characterized by a security ring (7) surrounding at least a portion of and arranged coaxially in relation to said anti-tamper ring (3), said security ring being connected to the anti-tamper ring (3) only at its end oriented towards the cap wall (2).
- Closure cap according to claim 1, characterized in that the free end (9) of the anti-tamper ring (3) lies within the security ring (7).
- Closure cap according to one of the claims 1 or 2, characterized in that the anti-tamper ring (3) possesses on its inner side at least one retaining element (5) with a locking surface (6), said locking surface engaging beneath the protrusion on the container mouth when the container is closed, and that the security ring-is connected with the anti-tamper strip in an area lying above the locking surface of said anti-tamper strip.
- Closure cap according to claim 3, characterized in that, between the upper area (11) and the locking surface (6) of the retaining element (5), the anti-tamper ring possesses a section wherein the anti-tamper strip is thinner than in said upper area.
- Closure cap according to one of the claims 1 to 4, characterized in that the outer diameter of the anti-tamper ring (3) in its upper area (11) is greater than the inside diameter of the security ring and that the security ring (7) is arranged beneath this area (11).
- Closure cap according to one of the claims 1 to 5, characterized in that the security ring (7) possesses on its circumference at least one frangible point (10) with reduced security-ring cross section.
- Closure cap according to claim 6, characterized in that, in the area of the frangible point, the security ring (7) possesses on its inside a vertical notch (10).
- Closure cap according to one of the claims 1 to 7, characterized in that the security ring (7) is connected to the anti-tamper ring (3) by means of frangible bridge pieces (8) and/or by means of a frangible point with a wall section of reduced thickness.
- Closure cap according to one of the claims 1 to 8, characterized in that the anti-tamper ring is connected to the cap wall by means of frangible bridge pieces only, so that said ring remains on the container neck when the container is opened for the first time.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH203594 | 1994-06-27 | ||
CH2035/94 | 1994-06-27 | ||
PCT/CH1995/000120 WO1996000171A1 (en) | 1994-06-27 | 1995-05-26 | Closure cap with warranty ring |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0714368A1 EP0714368A1 (en) | 1996-06-05 |
EP0714368B1 true EP0714368B1 (en) | 1998-07-29 |
Family
ID=4224409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95918496A Expired - Lifetime EP0714368B1 (en) | 1994-06-27 | 1995-05-26 | Closure cap with warranty ring |
Country Status (15)
Country | Link |
---|---|
US (1) | US5715959A (en) |
EP (1) | EP0714368B1 (en) |
JP (1) | JPH09502411A (en) |
KR (1) | KR960703776A (en) |
CN (1) | CN1129925A (en) |
AT (1) | ATE168955T1 (en) |
AU (1) | AU685276B2 (en) |
BR (1) | BR9506045A (en) |
CA (1) | CA2167602A1 (en) |
DE (1) | DE59502975D1 (en) |
HU (1) | HUT74665A (en) |
MX (1) | MX9600746A (en) |
NZ (1) | NZ285363A (en) |
PL (1) | PL313225A1 (en) |
WO (1) | WO1996000171A1 (en) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6981602B2 (en) * | 1997-08-01 | 2006-01-03 | Portola Packaging, Inc. | Tamper evident bottle cap |
US6068151A (en) * | 1998-08-03 | 2000-05-30 | Fabricas Monterrey, S.A. De C.V. | Tamper-indicating plastic closure having pilfer band |
US6381928B1 (en) | 2000-05-26 | 2002-05-07 | Owens-Illinois Closure Inc. | Tamper-indicating closure and container package |
US6568548B1 (en) * | 2000-06-19 | 2003-05-27 | Rexam Medical Packaging Inc. | Closure with tamper-indicating band |
US8495854B2 (en) * | 2001-09-04 | 2013-07-30 | Obrist Closures Switzerland Gmbh | Crown-like twist-off closure |
US6877624B2 (en) * | 2002-01-02 | 2005-04-12 | Erie County Plastics | Method of injection molding closure with continuous internal rigid rib, closure made thereby having a lead-in structure and mold for forming same |
US20040045925A1 (en) * | 2002-09-11 | 2004-03-11 | Seidita Thomas M. | Tamper evident closure with locking band |
US7637384B2 (en) * | 2002-08-09 | 2009-12-29 | Crown Packaging Technology, Inc. | Tamper evident closure with locking band and container therefor |
US20050167389A1 (en) * | 2004-02-04 | 2005-08-04 | Price Michael L. | Closure with improved resistance to deformation during opening |
EP1728726B1 (en) * | 2004-03-22 | 2012-05-09 | Hosokawa Yoko Co., Ltd. | Opening/closing cap and method of producing the same |
US7527161B2 (en) * | 2004-12-01 | 2009-05-05 | Fisher Scientific Company L.L.C. | Cap closure |
CN100542903C (en) * | 2007-01-01 | 2009-09-23 | 无锡市巨龙塑化有限公司 | Plastic packaging box with auto-lock function |
KR101310891B1 (en) * | 2007-12-28 | 2013-09-25 | 니혼 야마무라가라스 가부시키가이샤 | Synthetic resin cap |
HUE040345T2 (en) * | 2008-04-30 | 2019-03-28 | Closure Systems Int Inc | Tamper-evident package with improved opening performance |
DE102008030692B3 (en) * | 2008-07-01 | 2009-11-26 | Kunststoffwerk Kremsmünster GmbH | Plastic cap |
JP5945503B2 (en) * | 2010-08-09 | 2016-07-05 | 日本山村硝子株式会社 | Resin cap |
US8763830B2 (en) * | 2010-10-15 | 2014-07-01 | Closure Systems International Inc. | Tamper-evident closure having tamper-indicating pilfer band with projections and package including the tamper-evident closure |
JP5808115B2 (en) * | 2011-02-23 | 2015-11-10 | 日本クロージャー株式会社 | Easy opening and closing plastic cap and combination of it and container |
CN102826288B (en) * | 2012-09-19 | 2015-05-06 | 东莞日之泉蒸馏水有限公司 | Sealing anti-theft bottle cover |
CN103523367B (en) * | 2013-11-04 | 2015-12-02 | 深圳市通产丽星股份有限公司 | Antitheft packing container |
PE20170005A1 (en) | 2014-02-14 | 2017-03-04 | Closure Systems Int Inc | IMPROVED TAMPER-PROOF CLOSURE |
JP6655976B2 (en) * | 2015-12-18 | 2020-03-04 | 石田プレス工業株式会社 | Resin cap for medicinal bottle |
GB201608251D0 (en) * | 2016-05-11 | 2016-06-22 | Obrist Closures Switzerland | Closure |
PL235676B1 (en) * | 2017-07-25 | 2020-10-05 | Viki Plast Spolka Akcyjna | Screw cap for a bottle or other container |
US10407225B2 (en) | 2017-11-07 | 2019-09-10 | Closure Systems International Inc. | Closure and package that vents at high pressure |
JP7195091B2 (en) * | 2018-09-13 | 2022-12-23 | 日本山村硝子株式会社 | Synthetic resin cap |
CN113853343B (en) * | 2019-04-05 | 2024-06-14 | 耐普罗公司 | Tethered cap and spout |
MX2022003309A (en) | 2019-10-07 | 2022-04-12 | Closure Systems Int Inc | Flip-top closure. |
US11059633B2 (en) | 2019-10-31 | 2021-07-13 | Cheer Pack North America | Flip-top closure for container |
USD996968S1 (en) | 2021-05-17 | 2023-08-29 | Closure Systems International Inc. | Closure |
USD996967S1 (en) | 2021-05-17 | 2023-08-29 | Closure Systems International Inc. | Closure |
US12004637B2 (en) * | 2021-05-25 | 2024-06-11 | Jackson Langseth Perrault | Water bottle seat |
US11970319B2 (en) | 2022-05-10 | 2024-04-30 | Closure Systems International Inc. | Anti-rotational and removal closure |
US11945625B2 (en) | 2022-06-24 | 2024-04-02 | Closure Systems International Inc. | Package with closure |
US11801977B1 (en) | 2022-12-02 | 2023-10-31 | Closure Systems International Inc. | Package with one-piece closure |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2530699A1 (en) * | 1975-07-10 | 1977-01-20 | Zeller Plastik Koehn Graebner | ORIGINAL LOCKING FOR RESERVOIR SLEEVES |
FR2421119A1 (en) * | 1978-03-28 | 1979-10-26 | Captocap Ltd | INVIOLABLE PLASTIC CAP |
DE8509960U1 (en) * | 1985-04-03 | 1985-05-15 | Georg Menshen & Co Kg, 5950 Finnentrop | Tamper-evident closure for containers and the like. |
US4664278A (en) * | 1986-06-25 | 1987-05-12 | Owens-Illinois, Inc. | Tamper indicating package |
GB2199571A (en) * | 1987-01-08 | 1988-07-13 | Metal Closures Ltd | Closures for containers |
US4805791A (en) * | 1988-05-04 | 1989-02-21 | Continental White Cap, Inc. | Band with lock ring for tamper-evident cap |
US4930647A (en) * | 1989-01-24 | 1990-06-05 | Continental Plastics, Inc. | Tamper indicating closure system utilizing axially extending ratchet |
US5573128A (en) * | 1994-04-27 | 1996-11-12 | Japan Crown Cork Co., Ltd. | Tamper-evident plastic cap with engaging stopper pieces |
-
1995
- 1995-05-26 MX MX9600746A patent/MX9600746A/en not_active Application Discontinuation
- 1995-05-26 WO PCT/CH1995/000120 patent/WO1996000171A1/en active IP Right Grant
- 1995-05-26 KR KR1019960700851A patent/KR960703776A/en not_active Application Discontinuation
- 1995-05-26 AT AT95918496T patent/ATE168955T1/en not_active IP Right Cessation
- 1995-05-26 HU HU9600457A patent/HUT74665A/en unknown
- 1995-05-26 CN CN95190576A patent/CN1129925A/en active Pending
- 1995-05-26 AU AU24431/95A patent/AU685276B2/en not_active Ceased
- 1995-05-26 PL PL95313225A patent/PL313225A1/en unknown
- 1995-05-26 NZ NZ285363A patent/NZ285363A/en unknown
- 1995-05-26 DE DE59502975T patent/DE59502975D1/en not_active Expired - Fee Related
- 1995-05-26 EP EP95918496A patent/EP0714368B1/en not_active Expired - Lifetime
- 1995-05-26 JP JP8502685A patent/JPH09502411A/en active Pending
- 1995-05-26 BR BR9506045A patent/BR9506045A/en not_active Application Discontinuation
- 1995-05-26 CA CA002167602A patent/CA2167602A1/en not_active Abandoned
- 1995-05-26 US US08/591,630 patent/US5715959A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996000171A1 (en) | 1996-01-04 |
CA2167602A1 (en) | 1995-12-28 |
AU685276B2 (en) | 1998-01-15 |
MX9600746A (en) | 1997-04-30 |
US5715959A (en) | 1998-02-10 |
HUT74665A (en) | 1997-01-28 |
PL313225A1 (en) | 1996-06-10 |
AU2443195A (en) | 1996-01-19 |
KR960703776A (en) | 1996-08-31 |
HU9600457D0 (en) | 1996-04-29 |
CN1129925A (en) | 1996-08-28 |
DE59502975D1 (en) | 1998-09-03 |
ATE168955T1 (en) | 1998-08-15 |
EP0714368A1 (en) | 1996-06-05 |
NZ285363A (en) | 1997-02-24 |
BR9506045A (en) | 1997-08-05 |
JPH09502411A (en) | 1997-03-11 |
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