EP2666732B1 - Screw cap for a container - Google Patents

Screw cap for a container Download PDF

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Publication number
EP2666732B1
EP2666732B1 EP20120169032 EP12169032A EP2666732B1 EP 2666732 B1 EP2666732 B1 EP 2666732B1 EP 20120169032 EP20120169032 EP 20120169032 EP 12169032 A EP12169032 A EP 12169032A EP 2666732 B1 EP2666732 B1 EP 2666732B1
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EP
European Patent Office
Prior art keywords
screw cap
cover
covering
cover portion
cap according
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.)
Active
Application number
EP20120169032
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German (de)
French (fr)
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EP2666732A1 (en
Inventor
Jan Dr.-Ing. Kirchner
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.)
Kisiko Kirchner Simon and Co GmbH
Original Assignee
Kisiko Kirchner Simon and Co GmbH
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.)
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Publication date
Application filed by Kisiko Kirchner Simon and Co GmbH filed Critical Kisiko Kirchner Simon and Co GmbH
Priority to EP20120169032 priority Critical patent/EP2666732B1/en
Publication of EP2666732A1 publication Critical patent/EP2666732A1/en
Application granted granted Critical
Publication of EP2666732B1 publication Critical patent/EP2666732B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means

Definitions

  • the invention relates to a screw cap for a container, comprising a cap member made of plastic, having a circumferential wall portion with internal thread and a lid portion connected to the wall portion, further comprising a disc-shaped sealing element which is arranged on an inner side of the lid portion and on this lies flat, wherein the sealing element has a pierceable projection, which passes through a passage in the lid portion.
  • the application of the screw cap is primarily interesting for the pharmaceutical and diagnostic field. An application for nutritional supplements, food, cosmetics or other chemical-technical areas is also possible.
  • Such a screw cap is known in practice. It finds particular use for closing containers in the form of bottles or vials use.
  • the known screw cap has a puncture closure, which forms together with the bottle a tamper-proof system.
  • the puncture solution is primarily used to introduce samples using a cannula in the container or the bottle, without removing the screw cap from the container.
  • this area of the screw cap is wiped with a disinfectant solution.
  • a screw cap having the features of the preamble of claim 1 is known from DE 10 2009 009 415 A1 known.
  • the cover covers the passage and thus the closure material for cleanliness.
  • the cover is detachable or wegflipbar of the cap part.
  • a perforated edge or a type of predetermined breaking point, for example in the form of webs is provided.
  • the cover serves on the one hand for the sterile provision of the septum closure and on the other hand for creating a freshness seal, so that it is always apparent whether the container or the septum closure has already been used. It is proposed that the cover be clipped onto the cap part after use in order to cover the septum closure and thus to protect it.
  • a closure for a container is known.
  • This closure has a lid portion with a passage.
  • a pierceable element passes through the passage.
  • the closure has a cover for passage. With the cover, a gripping means for tearing off a circular cover part is connected by a surrounding annular cover part.
  • Object of the present invention is to develop a screw cap of the type mentioned so that it forms a sterilizable system and, moreover, in the area of the lid portion and this enforcing effetstechbarem projection is secured against originality.
  • a screw cap having the features of the preamble of claim 1, characterized in that the cover with the lid portion to the projection circumferentially, sealed and is applied to the lid portion and the projection, and with the cover a gripping means for tearing off the cover of the lid portion is connected.
  • the cover therefore covers both the cover section and the pierceable projection. Contamination of this puncture site can thus not occur until the cover is torn off.
  • This arrangement of the cover with respect to the lid portion and the projection enables sterilization of the screw cap without accumulation of vapor between the lid portion and cover. The originality in the area of the cover and the lid section is guaranteed due to the tear-off solution.
  • the cover is designed in particular plate-shaped or disc-shaped. It thus largely has the shape of the lid portion.
  • the cover is injection molded onto the cover section by injection molding.
  • the cover is substantially over the entire, the lid portion facing surface on the lid portion and the projection surface. It is considered to be particularly advantageous if the cover adheres substantially over the entire, the lid portion facing surface on the lid portion and the cover adheres to the cover surface facing the projection.
  • the sealing element is preferably made of thermoplastic elastomer (TPE), in particular of TPE-V.
  • the cap member is preferably made of polypropylene (PP) or polyethylene (PE).
  • the cover and / or the gripping means are preferably made of thermoplastic elastomer (TPE), in particular of TPE-S.
  • the gripping means are designed to tear off the cover as connected to the cover gripping ring.
  • This gripping ring consists in particular of plastic.
  • the cap part is preferably designed such that it receives a tamper-evident ring in the region of the end of the wall section facing away from the cover section. If the screw cap is unscrewed from the container, the connection between wall section and tear-off ring breaks, so that this opening process is visible from the outside.
  • the material for the cover which adheres both to the cover section and to the projection of the sealing element.
  • This adhesion is especially designed so that the cover, although a sterilization process in the hot steam autoclave without peeling, survives, but still can be relatively easily peel off. After peeling off the cover no longer adheres to the lid portion and the projection of the sealing element, so that a manipulation can be detected.
  • the shape of the cover can be chosen so that easy handling can be ensured.
  • the screw cap 1 serves to unscrew on an unillustrated container, which is in particular a bottle or a very small volume having vial.
  • the screw cap has a plastic existing Cap part 2, which has a circumferential wall portion 3 with internal thread 4 and a cover portion 5 connected to the wall portion 3.
  • the screw cap 1 has a disk-shaped sealing element 6, which is arranged on an inner side of the cover section 5 and rests flat against this.
  • the sealing element 6 has a pierceable projection 7, which is cylindrical in shape and passes through a correspondingly cylindrical passage 8 sealed in the lid section 5.
  • the projection 7 has such an axial extent that it is aligned with the flat outer surface 9 of a circular cover portion 5.
  • the passage 7 of the sealing element 6 is arranged eccentrically.
  • the illustrated central recess 10 in the region of the outer surface 9 of the lid portion 5 is present under the aspect of the injection molding production of the cap part 2.
  • the sealing element 6 is provided on its side facing away from the lid section 5 with a central projection 11, which is available for assembly reasons.
  • the wall portion 3 has an undercut ring portion 12 which serves the latching receiving a tamper-evident, not illustrated Abr disposrings.
  • the handle profiles represent, and the simple rotation of the cap part 2 serve.
  • the screw cap according to the invention differs from that according to the Fig. 1 and 2 described screw cap 1 as follows, wherein in the description of the 3 and 4
  • the same reference numerals as for the screw cap according to the Fig. 1 and 2 be used:
  • a plate-shaped cover 14 thus a cover 14 arranged in the manner of a disc.
  • This lies in the area of their entire, the lid section 5 facing surface on the lid portion 5, except for the area of the recess 10 and the cover 14 facing circular surface of the projection 7.
  • the lid 14 is connected on its side facing away from the lid portion 5 with a gripping ring designed as a gripping means 15.
  • the gripping ring 15 has two ring portions 16, which are not connected to the cover 14, and two arranged between the ring portions 16 ring portions 17 which are connected to the cover 14.
  • the ring sections 16 By bending up the two ring sections 16 in the region of their connections with the ring sections 17, the ring sections 16 can be moved towards each other and can be taken there ergonomically favorable manually to exert a tensile force on the two ring sections 17 on the cover 14 to this from the cover section. 5 to separate.
  • the cover 14 and the gripping ring 15 is sprayed on the same injection molding machine in the multi-component process.
  • the arranged on the outside of the lid portion 5 cover 14 is in this case, around the projection 7 circumferentially sealed to the lid portion 5 is connected.
  • the sealing element 6 can be positioned at the appropriate time, for example, after the manufacture of the cap part 2 and before connecting the cover 14 and cap member 12 or only after the connection of cap member 2 and cover 14.
  • the Cap part 2 with sealing element 6 and the cover 14 with gripping ring 15 H are the Cap part 2 with sealing element 6 and the cover 14 with gripping ring 15 H mixeddampfsterilisierbar.
  • the puncture site forming projection 7 of the sealing element 6 is secured against originality by the arrangement of the cover plate 14 and also sterile.
  • the sealing element 6 consists for example of TPE-V.
  • the cap part 2 is preferably made of PP or PE.
  • the cover 14 is preferably made of TPE.
  • the cover plate 14 with gripping ring 15 made of TPE-S.

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

Description

Die Erfindung betrifft eine Schraubkappe für ein Behältnis, mit einem aus Kunststoff bestehenden Kappenteil, das einen umlaufenden Wandungsabschnitt mit Innengewinde und einen mit dem Wandungsabschnitt verbundenen Deckelabschnitt aufweist, ferner mit einem scheibenförmigen Dichtelement, das auf einer Innenseite des Deckelabschnitts angeordnet ist und an diesem flächig anliegt, wobei das Dichtelement einen durchstechbaren Vorsprung aufweist, der einen Durchgang im Deckelabschnitt durchsetzt.The invention relates to a screw cap for a container, comprising a cap member made of plastic, having a circumferential wall portion with internal thread and a lid portion connected to the wall portion, further comprising a disc-shaped sealing element which is arranged on an inner side of the lid portion and on this lies flat, wherein the sealing element has a pierceable projection, which passes through a passage in the lid portion.

Die Anwendung der Schraubkappe ist vornehmlich für den pharmazeutischen und diagnostischen Bereich interessant. Eine Anwendung für Nährungsergänzungspräparate, Lebensmittel, Kosmetik oder andere chemisch-technische Bereiche ist aber auch möglich.The application of the screw cap is primarily interesting for the pharmaceutical and diagnostic field. An application for nutritional supplements, food, cosmetics or other chemical-technical areas is also possible.

Eine derartige Schraubkappe ist aus der Praxis bekannt. Sie findet insbesondere zum Verschließen von Behältnissen in Form von Flaschen oder Fläschchen Verwendung.Such a screw cap is known in practice. It finds particular use for closing containers in the form of bottles or vials use.

Die bekannte Schraubkappe weist einen Durchstichverschluss auf, der gemeinsam mit der Flasche ein originalitätsgesichertes System bildet. Die Durchstichlösung wird vornehmlich dafür verwendet, um Proben mit Hilfe einer Kanüle in das Behältnis bzw. die Flasche einzubringen, ohne dabei die Schraubkappe vom Behältnis zu entfernen.The known screw cap has a puncture closure, which forms together with the bottle a tamper-proof system. The puncture solution is primarily used to introduce samples using a cannula in the container or the bottle, without removing the screw cap from the container.

Um die Sterilität der Schraubkappe im Bereich des Deckelabschnitts und des diese durchsetzenden, durchstechbaren Vorsprungs vor dem Durchstechen mittels einer Kanüle zu gewährleisten, wird in der Praxis dieser Bereich der Schraubkappe mit einer Desinfektionslösung abgewischt.In order to ensure the sterility of the screw cap in the region of the lid portion and the penetrating, pierceable projection before piercing by means of a cannula, in practice this area of the screw cap is wiped with a disinfectant solution.

Aus der Praxis ist ferner ein System bekannt, bei dem ein in der Anschaffung teurer Gummistopfen von einem Verschluss auf einer Flasche gehalten wird. Um eine Verschmutzung des Stopfens an der Einstichstelle zu vermeiden, wird ein Kunststoffdeckelchen aufgesteckt. Nachteile dieses Systems sind darin zu sehen, dass sich beim Heißdampfsterilisieren im Autoklaven häufig Dampf unter dem Deckel sammelt, der nach dem Abkühlen als Kondensat ausfällt, ferner wegen kleiner Öffnungen unter dem Deckel keine Sterilität gewährleistet werden kann, überdies es sich nicht um originalitätsgesichertes System handelt. Bei einem anderen bekannten System wird eine Aluminiumfolie verwendet, die in der Regel durch Heißsiegeln auf die Oberfläche aufgebracht wird. Dies ist ein zusätzlicher Arbeitsgang, der üblicherweise nicht unmittelbar in die Prozesskette integriert wird und somit aufwendig ist. Weiterhin sind Abreißlaschen der Aluminiumfolie meist so klein und zerknittert, dass eine Handhabung dieses Systems im Laborbereich mit Handschuhen schwierig ist.From practice, a system is also known in which a purchase in expensive rubber stopper is held by a closure on a bottle. To avoid contamination of the plug at the injection site, a plastic lid is attached. Disadvantages of this system can be seen in the fact that in hot steam sterilization in the autoclave often collects steam under the lid, which precipitates after cooling as condensate, also because of small openings under the lid no sterility can be ensured, moreover, it is not tamper-proof system , In another known system, an aluminum foil is used, which is usually applied to the surface by heat sealing. This is an additional operation, which is usually not integrated directly into the process chain and thus is expensive. Furthermore, tear-off tabs of the aluminum foil are usually so small and wrinkled that handling this system in the laboratory area with gloves is difficult.

Eine Schraubkappe, die die Merkmale des Oberbegriffs des Patentanspruchs 1 aufweist, ist aus der DE 10 2009 009 415 A1 bekannt. Bei dieser überdeckt die Abdeckung den Durchgang und somit das Verschlussmaterial zur Reinhaltung. Die Abdeckung ist von dem Kappenteil lösbar bzw. wegflipbar. Zum Entfernen der Abdeckung ist insbesondere ein perforierter Rand bzw. eine Art Sollbruchstelle, beispielsweise in Form von Stegen, vorgesehen. Die Abdeckung dient einerseits zur sterilen Bereithaltung des Septumverschlusses und andererseits zur Schaffung eines Frischesiegels, so dass stets erkennbar ist, ob das Behältnis bzw. der Septumverschluss bereits benutzt worden ist. Es wird vorgeschlagen, die Abdeckung nach Gebrauch wieder auf das Kappenteil aufzuklipsen, um den Septumverschluss abzudecken und somit zu schützen.A screw cap having the features of the preamble of claim 1 is known from DE 10 2009 009 415 A1 known. In this case, the cover covers the passage and thus the closure material for cleanliness. The cover is detachable or wegflipbar of the cap part. To remove the cover, in particular a perforated edge or a type of predetermined breaking point, for example in the form of webs, is provided. The cover serves on the one hand for the sterile provision of the septum closure and on the other hand for creating a freshness seal, so that it is always apparent whether the container or the septum closure has already been used. It is proposed that the cover be clipped onto the cap part after use in order to cover the septum closure and thus to protect it.

Aus der WO 2009/141326 A1 ist ein Verschluss für ein Behältnis bekannt. Dieser Verschluss weist einen Deckelabschnitt mit einem Durchgang auf. Hierbei durchsetzt ein durchstechbares Element den Durchgang. Der Verschluss weist eine Abdeckung für den Durchgang auf. Mit der Abdeckung ist ein Greifmittel zum Abreißen eines kreisförmigen Abdeckungsteils von einem diese umgebenden ringförmigen Abdeckungsteil verbunden.From the WO 2009/141326 A1 a closure for a container is known. This closure has a lid portion with a passage. Here, a pierceable element passes through the passage. The closure has a cover for passage. With the cover, a gripping means for tearing off a circular cover part is connected by a surrounding annular cover part.

Aufgabe der vorliegenden Erfindung ist es, eine Schraubkappe der eingangs genannten Art so weiterzubilden, dass diese ein sterilisierbares System bildet und überdies im Bereich von Deckelabschnitt und diesen durchsetzendem durchstechbarem Vorsprung originalitätsgesichert ist.Object of the present invention is to develop a screw cap of the type mentioned so that it forms a sterilizable system and, moreover, in the area of the lid portion and this enforcing durchstechbarem projection is secured against originality.

Gelöst wird die Aufgabe bei einer Schraubkappe, die die Merkmale des Oberbegriffs des Patentanspruchs 1 aufweist, dadurch, dass die Abdeckung mit dem Deckelabschnitt, um den Vorsprung umlaufend, abgedichtet verbunden ist und am Deckelabschnitt und an dem Vorsprung anliegt, sowie mit der Abdeckung ein Greifmittel zum Abreißen der Abdeckung von dem Deckelabschnitt verbunden ist.The object is achieved in a screw cap having the features of the preamble of claim 1, characterized in that the cover with the lid portion to the projection circumferentially, sealed and is applied to the lid portion and the projection, and with the cover a gripping means for tearing off the cover of the lid portion is connected.

Bei der erfindungsgemäßen Schraubkappe deckt somit die Abdeckung sowohl den Deckelabschnitt als auch den durchstechbaren Vorsprung ab. Eine Kontaminierung dieser Einstichstelle kann somit bis zum Abreißen der Abdeckung nicht erfolgen. Diese Anordnung der Abdeckung bezüglich des Deckelabschnitts und des Vorsprungs ermöglicht eine Sterilisierbarkeit der Schraubkappe ohne Ansammlung von Dampf zwischen Deckelabschnitt und Abdeckung. Die Originalität im Bereich der Abdeckung und des Deckelabschnitts ist aufgrund der Abreißlösung gewährleistet.In the case of the screw cap according to the invention, the cover therefore covers both the cover section and the pierceable projection. Contamination of this puncture site can thus not occur until the cover is torn off. This arrangement of the cover with respect to the lid portion and the projection enables sterilization of the screw cap without accumulation of vapor between the lid portion and cover. The originality in the area of the cover and the lid section is guaranteed due to the tear-off solution.

Die Abdeckung ist insbesondere plattenförmig bzw. scheibenförmig gestaltet. Sie weist somit weitgehend die Form des Deckelabschnitts auf.The cover is designed in particular plate-shaped or disc-shaped. It thus largely has the shape of the lid portion.

Besonders vorteilhaft ist es, wenn die Abdeckung durch Aufspritzen im Spritzguss an den Deckelabschnitt geformt ist. Vorzugsweise liegt die Abdeckung im Wesentlichen über die gesamte, dem Deckelabschnitt zugewandte Fläche am Deckelabschnitt und dem Vorsprung flächig an. Als besonders vorteilhaft wird es angesehen, wenn die Abdeckung im Wesentlichen über deren gesamte, dem Deckelabschnitt zugewandte Fläche am Deckelabschnitt haftet und die Abdeckung an der der Abdeckung zugewandten Fläche des Vorsprungs haftet.It is particularly advantageous if the cover is injection molded onto the cover section by injection molding. Preferably, the cover is substantially over the entire, the lid portion facing surface on the lid portion and the projection surface. It is considered to be particularly advantageous if the cover adheres substantially over the entire, the lid portion facing surface on the lid portion and the cover adheres to the cover surface facing the projection.

Das Dichtelement besteht vorzugsweise aus thermoplastischem Elastomer (TPE), insbesondere aus TPE-V. Das Kappenteil besteht vorzugsweise aus Polypropylen (PP) oder aus Polyethylen (PE). Die Abdeckung und/oder das Greifmittel bestehen vorzugsweise aus thermoplastischem Elastomer (TPE), insbesondere aus TPE-S.The sealing element is preferably made of thermoplastic elastomer (TPE), in particular of TPE-V. The cap member is preferably made of polypropylene (PP) or polyethylene (PE). The cover and / or the gripping means are preferably made of thermoplastic elastomer (TPE), in particular of TPE-S.

Um die Abdeckung ergonomisch besonders günstig ergreifen und vom Deckelabschnitt abreißen zu können, sieht es eine bevorzugte Weiterbildung der Erfindung vor, dass die Greifmittel zum Abreißen der Abdeckung als mit der Abdeckung verbundener Greifring ausgebildet sind. Dieser Greifring besteht insbesondere aus Kunststoff.In order to take the cover ergonomically particularly favorable and to be able to tear off the lid portion, it provides a preferred development of the invention that the gripping means are designed to tear off the cover as connected to the cover gripping ring. This gripping ring consists in particular of plastic.

Das Kappenteil ist vorzugsweise so gestaltet, dass es im Bereich des dem Deckelabschnitt abgewandten Endes des Wandungsabschnitts einen eine Originalitätssicherung darstellenden Abreißring aufnimmt. Wird die Schraubkappe vom Behältnis abgeschraubt, reißt die Verbindung zwischen Wandungsabschnitt und Abreißring, so dass dieser Öffnungsvorgang von außen sichtbar ist.The cap part is preferably designed such that it receives a tamper-evident ring in the region of the end of the wall section facing away from the cover section. If the screw cap is unscrewed from the container, the connection between wall section and tear-off ring breaks, so that this opening process is visible from the outside.

Mittels der erfindungsgemäßen Schraubkappe bzw. deren Weiterbildungen wird somit ein originalitätsgesichertes, sterilisierbares System geschaffen, das den Durchstichverschluss und die aufgespritzte Abdeckung insbesondere in Form der Abdeckplatte bzw. Abdeckscheibe aufweist. Wesentliche Aspekte sind dabei:

  • Die Abdeckung wird in Mehrkomponentenverfahren gleich auf der Spritzgießmaschine mit aufgespritzt.
  • Durch das Mehrkomponentenverfahren ist eine Verschmutzung unter der Scheibe nahezu ausgeschlossen.
  • Die Schraubkappe mit der Abdeckung sind heißdampfsterilisierbar.
  • Die Einstichstelle ist originalitätsgesichert und steril.
  • Die Originalität zwischen Schraubkappe und Flasche wird durch den Abreißring gewährleistet.
  • Es ist eine leichte Handhabbarkeit auch unter Laborbedingungen, somit beim Tragen von Handschuhen, gewährleistet.
By means of the screw cap according to the invention or its further developments, a tamper-evident, sterilizable system is thus created, which has the puncture closure and the sprayed-on cover, in particular in the form of the cover plate or cover plate. Essential aspects are:
  • The cover is sprayed on in multi-component process right on the injection molding machine.
  • The multi-component process virtually eliminates contamination under the pane.
  • The screw cap with the cover can be steam sterilized.
  • The puncture site is tamper-evident and sterile.
  • The originality between screw cap and bottle is ensured by the tear-off ring.
  • It is easy to handle even under laboratory conditions, thus when wearing gloves, guaranteed.

Von besonderer Bedeutung ist bei der erfindungsgemäßen Schraubkappe bzw. deren Weiterbildungen die Verwendung des Materials für die Abdeckung, die sowohl auf dem Decklabschnitt als auch auf dem Vorsprung des Dichtelements haftet. Diese Haftung ist insbesondere derart ausgelegt, dass die Abdeckung zwar einen Sterilisierungsvorgang im Heißdampfautoklaven, ohne sich abzulösen, übersteht, aber sich trotzdem relativ leicht abziehen lässt. Nach dem Abziehen haftet die Abdeckung nicht mehr auf dem Deckelabschnitt und dem Vorsprung des Dichtelements, so dass eine Manipulation detektiert werden kann. Im Spritzgießprozess kann die Form der Abdeckung so gewählt werden, dass eine leichte Handhabung gewährleistet werden kann.Of particular importance in the screw cap according to the invention or its developments is the use of the material for the cover, which adheres both to the cover section and to the projection of the sealing element. This adhesion is especially designed so that the cover, although a sterilization process in the hot steam autoclave without peeling, survives, but still can be relatively easily peel off. After peeling off the cover no longer adheres to the lid portion and the projection of the sealing element, so that a manipulation can be detected. In the injection molding process, the shape of the cover can be chosen so that easy handling can be ensured.

Bei der erfindungsgemäßen Schraubkappe und deren Weiterbildungen sind folgende wesentliche Vorteile zu verzeichnen:

  1. 1. Kostengünstige, prozessintegrierte Herstellung im Mehrkomponentenverfahren.
  2. 2. Kontaminationsarme Einstichstelle.
  3. 3. Sterilisierbarkeit.
  4. 4. Sterilität bis zum Kunden ist gewährleistet.
  5. 5. Einfache Handhabung beim Kunden.
  6. 6. Manipulationssicheres Originalitätssystem.
In the screw cap according to the invention and its developments, the following significant advantages can be observed:
  1. 1. Cost-effective, process-integrated production in a multi-component process.
  2. 2. Low-contamination puncture site.
  3. 3. Sterilisability.
  4. 4. Sterility to the customer is guaranteed.
  5. 5. Easy handling at the customer.
  6. 6. Tamper-evident originality system.

Weitere Merkmale der Erfindung sind in den Unteransprüchen, der Beschreibung der Figuren und den Figuren selbst dargestellt, wobei bemerkt wird, dass alle Einzelmerkmale und alle Kombinationen von Einzelmerkmalen erfindungswesentlich sind.Further features of the invention are set forth in the subclaims, the description of the figures and the figures themselves, wherein it is noted that all individual features and all combinations of individual features are essential to the invention.

In den Figuren ist die Erfindung unter Hinweis auf den Stand der Technik anhand eines Ausführungsbeispiels dargestellt, ohne hierauf beschränkt zu sein.In the figures, the invention is illustrated with reference to the prior art using an exemplary embodiment, without being limited thereto.

Es zeigt:

Fig. 1
eine Schraubkappe gemäß Stand der Technik, in einer räumlichen Ansicht, schräg von oben gesehen,
Fig. 2
die in Fig. 1 gezeigte Schraubkappe, veranschaulicht für eine Hälfte der Schraubkappe, geschnitten in einem Mittellängsschnitt,
Fig. 3
die erfindungsgemäße Schraubkappe, veranschaulicht in einer räumlichen Darstellung, schräg von oben gesehen, entsprechend der Darstellung in Fig. 1,
Fig. 4
die eine Hälfte der erfindungsgemäßen Schraubkappe, veranschaulicht bei Schnittanordnung gemäß Fig. 2.
It shows:
Fig. 1
a screw cap according to the prior art, in a spatial view, viewed obliquely from above,
Fig. 2
in the Fig. 1 shown screw cap, illustrated for one half of the screw cap, cut in a central longitudinal section,
Fig. 3
the screw cap according to the invention, illustrated in a three-dimensional view, seen obliquely from above, as shown in FIG Fig. 1 .
Fig. 4
one half of the screw cap according to the invention, illustrated in sectional arrangement according to Fig. 2 ,

Die Schraubkappe 1 gemäß Stand der Technik nach den Fig. 1 und 2 dient dem Aufschrauben auf ein nicht veranschaulichtes Behältnis, bei dem es sich insbesondere um eine Flasche oder ein sehr geringes Volumen aufweisendes Fläschchen handelt. Die Schraubkappe weist ein aus Kunststoff bestehendes Kappenteil 2 auf, das einen umlaufenden Wandungsabschnitt 3 mit Innengewinde 4 und einen mit dem Wandungsabschnitt 3 verbundenen Deckelabschnitt 5 aufweist. Ferner weist die Schraubkappe 1 ein scheibenförmiges Dichtelement 6 auf, das auf einer Innenseite des Deckelabschnitts 5 angeordnet ist und an diesem flächig anliegt. Das Dichtelement 6 weist einen durchstechbaren Vorsprung 7 auf, der zylindrisch gestaltet ist und einen entsprechend zylindrischen Durchgang 8 im Deckelabschnitt 5 abgedichtet durchsetzt. Der Vorsprung 7 weist eine solche Axialerstreckung auf, das er mit der ebenen äußeren Fläche 9 eines kreisförmigen Deckelabschnitts 5 fluchtet. Der Durchgang 7 des Dichtelements 6 ist exzentrisch angeordnet. Die veranschaulichte zentrale Vertiefung 10 im Bereich der äußeren Fläche 9 des Deckelabschnitts 5 ist unter dem Aspekt der spritztechnischen Herstellung des Kappenteils 2 vorhanden. Das Dichtelement 6 ist auf seiner dem Deckelabschnitt 5 abgewandten Seite mit einem zentralen Vorsprung 11 versehen, der aus Montagegründen vorhanden ist. Im Bereich des dem Deckelabschnitt 5 abgewandten Endes weist der Wandungsabschnitt 3 einen hinterschnittenen Ringabschnitt 12 auf, der dem rastierenden Aufnehmen eines eine Originalitätssicherung darstellenden, nicht veranschaulichten Abreißrings dient. Im Bereich seiner äußeren Fläche ist der Wandungsabschnitt 3 über seinen Umfang mit einer Vielzahl in Längsrichtung des Kappenteils 2 verlaufenden Vertiefungen 13, die Griffprofilierungen darstellen, und dem einfachen Drehen des Kappenteils 2 dienen, versehen.The screw cap 1 according to the prior art according to Fig. 1 and 2 serves to unscrew on an unillustrated container, which is in particular a bottle or a very small volume having vial. The screw cap has a plastic existing Cap part 2, which has a circumferential wall portion 3 with internal thread 4 and a cover portion 5 connected to the wall portion 3. Furthermore, the screw cap 1 has a disk-shaped sealing element 6, which is arranged on an inner side of the cover section 5 and rests flat against this. The sealing element 6 has a pierceable projection 7, which is cylindrical in shape and passes through a correspondingly cylindrical passage 8 sealed in the lid section 5. The projection 7 has such an axial extent that it is aligned with the flat outer surface 9 of a circular cover portion 5. The passage 7 of the sealing element 6 is arranged eccentrically. The illustrated central recess 10 in the region of the outer surface 9 of the lid portion 5 is present under the aspect of the injection molding production of the cap part 2. The sealing element 6 is provided on its side facing away from the lid section 5 with a central projection 11, which is available for assembly reasons. In the region of the end facing away from the lid portion 5, the wall portion 3 has an undercut ring portion 12 which serves the latching receiving a tamper-evident, not illustrated Abreißrings. In the region of its outer surface of the wall portion 3 is provided over its circumference with a plurality in the longitudinal direction of the cap part 2 extending recesses 13, the handle profiles represent, and the simple rotation of the cap part 2 serve.

Die erfindungsgemäße Schraubkappe unterscheidet sich von der gemäß der Fig. 1 und 2 beschriebenen Schraubkappe 1 wie folgt, wobei bei der Beschreibung der Fig. 3 und 4 der Einfachheit halber für die entsprechend ausgebildeten Bauteile der Schraubkappe dieselben Bezugsziffern wie zur Schraubkappe gemäß der Fig. 1 und 2 verwendet werden:The screw cap according to the invention differs from that according to the Fig. 1 and 2 described screw cap 1 as follows, wherein in the description of the 3 and 4 For simplicity, for the correspondingly formed components of the screw cap the same reference numerals as for the screw cap according to the Fig. 1 and 2 be used:

So ist auf der Außenseite des Deckelabschnitts 5, somit der äußeren Fläche 9 zugewandt, eine plattenförmige Abdeckung 14, somit eine Abdeckung 14 in Art einer Scheibe angeordnet. Diese liegt im Bereich ihrer gesamten, dem Deckelabschnitt 5 zugewandten Fläche am Deckelabschnitt 5 an, bis auf den Bereich der Vertiefung 10 und die der Abdeckung 14 zugewandte kreisförmige Fläche des Vorsprungs 7. Der Deckel 14 ist auf seiner dem Deckelabschnitt 5 abgewandten Seite mit einem als Greifring ausgebildeten Greifmittel 15 verbunden. Konkret weist der Greifring 15 zwei Ringabschnitte 16 auf, die nicht mit der Abdeckung 14 verbunden sind, sowie zwei zwischen den Ringabschnitten 16 angeordnete Ringabschnitte 17, die mit der Abdeckung 14 verbunden sind. Durch Hochbiegen der beiden Ringabschnitte 16 im Bereich deren Verbindungen mit den Ringabschnitten 17 lassen sich die Ringabschnitte 16 aufeinander zu bewegen und können dort ergonomisch günstig manuell ergriffen werden, um eine Zugkraft über die beiden Ringabschnitte 17 auf die Abdeckscheibe 14 auszuüben, um diese vom Deckelabschnitt 5 zu trennen.Thus, on the outside of the lid portion 5, thus facing the outer surface 9, a plate-shaped cover 14, thus a cover 14 arranged in the manner of a disc. This lies in the area of their entire, the lid section 5 facing surface on the lid portion 5, except for the area of the recess 10 and the cover 14 facing circular surface of the projection 7. The lid 14 is connected on its side facing away from the lid portion 5 with a gripping ring designed as a gripping means 15. Specifically, the gripping ring 15 has two ring portions 16, which are not connected to the cover 14, and two arranged between the ring portions 16 ring portions 17 which are connected to the cover 14. By bending up the two ring sections 16 in the region of their connections with the ring sections 17, the ring sections 16 can be moved towards each other and can be taken there ergonomically favorable manually to exert a tensile force on the two ring sections 17 on the cover 14 to this from the cover section. 5 to separate.

Bei der Herstellung des Kappenteils 1 wird im Mehrkomponentenverfahren die Abdeckscheibe 14 und der Greifring 15 gleich auf der Spritzgießmaschine mit aufgespritzt. Die auf der Außenseite des Deckelabschnitts 5 angeordnete Abdeckung 14 ist hierbei, um den Vorsprung 7 umlaufend, abgedichtet mit dem Deckelabschnitt 5 verbunden. Hierdurch ist eine Verschmutzung unter der Abdeckscheibe 14 nahezu ausgeschlossen. Das Dichtelement 6 kann zu gegebener Zeit positioniert werden, beispielsweise nach dem Herstellen des Kappenteils 2 und vor dem Verbinden von Abdeckung 14 und Kappenteil 12 oder aber erst nach dem Herstellen der Verbindung von Kappenteil 2 und Abdeckung 14. Bei der Herstellung der Schraubkappe 1 sind das Kappenteil 2 mit Dichtelement 6 und die Abdeckung 14 mit Greifring 15 heißdampfsterilisierbar. Der die Einstichstelle bildende Vorsprung 7 des Dichtelements 6 ist originalitätsgesichert von der Anordnung der Abdeckscheibe 14 und überdies steril. Das Dichtelement 6 besteht beispielsweise aus TPE-V. Das Kappenteil 2 besteht vorzugsweise aus PP oder PE. Die Abdeckscheibe 14 besteht vorzugsweise aus TPE. Insbesondere besteht die Abdeckscheibe 14 mit Greifring 15 aus TPE-S. Durch die Verwendung des Materials für die Abdeckscheibe 14, die sowohl auf dem Deckelabschnitt 5 des Kappenteils 2 als auch auf dem Dichtmaterial, somit dem Vorsprung 7 des Dichtelementes 6 haftet, ist gewährleistet, dass die Abdeckscheibe 14 zwar einen Sterilisationsvorgang in Heißdampfautoklaven übersteht, ohne sich abzulösen, sich aber trotzdem relativ leicht vom Kappenteil 2 abziehen lässt. Nach dem Abziehen haftet die Abdeckung nicht mehr auf dem Kappenteil 2, so dass eine Manipulation detektiert werden kann. Im Spritzgießprozess kann die Form der Abdeckscheibe so gewählt werden, dass eine leichte Handhabung gewährleistet ist.In the production of the cap part 1, the cover 14 and the gripping ring 15 is sprayed on the same injection molding machine in the multi-component process. The arranged on the outside of the lid portion 5 cover 14 is in this case, around the projection 7 circumferentially sealed to the lid portion 5 is connected. As a result, contamination under the cover 14 is almost impossible. The sealing element 6 can be positioned at the appropriate time, for example, after the manufacture of the cap part 2 and before connecting the cover 14 and cap member 12 or only after the connection of cap member 2 and cover 14. In the manufacture of the screw cap 1 are the Cap part 2 with sealing element 6 and the cover 14 with gripping ring 15 Heißdampfsterilisierbar. The puncture site forming projection 7 of the sealing element 6 is secured against originality by the arrangement of the cover plate 14 and also sterile. The sealing element 6 consists for example of TPE-V. The cap part 2 is preferably made of PP or PE. The cover 14 is preferably made of TPE. In particular, the cover plate 14 with gripping ring 15 made of TPE-S. By the use of the material for the cover plate 14, both on the cover portion 5 of the cap part 2 and on the sealing material, thus the Protrusion 7 of the sealing element 6 adheres, it is ensured that the cover plate 14, although a sterilization process in hot steam autoclave without peeling, but still relatively easy to deduct from the cap part 2. After removal, the cover no longer adheres to the cap part 2, so that a manipulation can be detected. In the injection molding process, the shape of the cover can be chosen so that an easy handling is guaranteed.

Claims (11)

  1. Screw cap (1) for a container, having a cap part (2), composed of plastic, which has an encircling wall portion (3) having an internal thread (4), and a cover portion (5) which is connected to the wall portion (3), furthermore having a disc-shaped sealing element (6) which is arranged on and lies in a two-dimensional manner against an inner side of the cover portion (5), wherein the sealing element (6) has a pierceable protrusion (7) which passes through a passage (8) in the cover portion (5), wherein a covering (14) of plastic, which is connected to the cap part (2) in an encircling manner around the protrusion (7), is arranged on an outer side of the cover portion (5), characterized in that, in an encircling manner around the protrusion (7), the covering (14) is sealed to the cover portion (5) and lies against the cover portion (5) and against the protrusion (7), and a gripping means (15) for tearing off the covering (14) from the cover portion (5) is connected to the covering (14).
  2. Screw cap according to Claim 1, characterized in that the covering (14) is formed by being applied to the cover portion (5) in an injection-moulding process.
  3. Screw cap according to Claim 1 or 2, characterized in that the covering (14), substantially across its entire face which faces the cover portion (5), lies in a two-dimensional manner against the cover portion (5) and the protrusion (7).
  4. Screw cap according to one of Claims 1 to 3, characterized in that the covering (14), substantially across its entire face which faces the cover portion (5), adheres to the cover portion (5).
  5. Screw cap according to one of Claims 1 to 4, characterized in that the covering (14) adheres to that face of the protrusion (7) that faces the covering (14).
  6. Screw cap according to one of Claims 1 to 5, characterized in that the gripping means (15) for tearing off the covering (14) are configured as a gripping ring (15) which is connected to the covering (14) and which is composed of, in particular, plastic.
  7. Screw cap according to one of Claims 1 to 6, characterized in that the sealing element (6) is composed of thermoplastic elastomer (TPE), in particular of TPE-V.
  8. Screw cap according to one of Claims 1 to 7, characterized in that the cap part (2) is composed of polypropylene (PP) or of polyethylene (PE).
  9. Screw cap according to one of Claims 1 to 8, characterized in that the covering (14) is composed of thermoplastic elastomer (TPE), in particular of TPE-S.
  10. Screw cap according to one of Claims 1 to 9, characterized in that the gripping means (15) is composed of thermoplastic elastomer (TPE), in particular of TPE-S.
  11. Screw cap according to one of Claims 1 to 10, characterized in that, in the region of that end of the wall portion (3) that faces away from the cover portion (5), the cap part (2) accommodates a tear-off ring representing a tamper-proof sealing.
EP20120169032 2012-05-23 2012-05-23 Screw cap for a container Active EP2666732B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20120169032 EP2666732B1 (en) 2012-05-23 2012-05-23 Screw cap for a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20120169032 EP2666732B1 (en) 2012-05-23 2012-05-23 Screw cap for a container

Publications (2)

Publication Number Publication Date
EP2666732A1 EP2666732A1 (en) 2013-11-27
EP2666732B1 true EP2666732B1 (en) 2014-05-14

Family

ID=46318845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120169032 Active EP2666732B1 (en) 2012-05-23 2012-05-23 Screw cap for a container

Country Status (1)

Country Link
EP (1) EP2666732B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878808A (en) * 1957-03-26 1959-03-24 Baxter Laboratories Inc Parenteral solution container closure
ITBO20080313A1 (en) * 2008-05-21 2009-11-22 Brev Angela Srl PERFORTABLE CLOSURE FOR CONTAINER
DE102009009415A1 (en) * 2009-02-18 2010-08-26 Heipha Gmbh Container with a septum closure and cap with septum closure

Also Published As

Publication number Publication date
EP2666732A1 (en) 2013-11-27

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