EP2256056A1 - Tamper-evident bung seal for bung container - Google Patents

Tamper-evident bung seal for bung container Download PDF

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Publication number
EP2256056A1
EP2256056A1 EP10162832A EP10162832A EP2256056A1 EP 2256056 A1 EP2256056 A1 EP 2256056A1 EP 10162832 A EP10162832 A EP 10162832A EP 10162832 A EP10162832 A EP 10162832A EP 2256056 A1 EP2256056 A1 EP 2256056A1
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EP
European Patent Office
Prior art keywords
bung
sealing cap
plug
locking
clamping sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10162832A
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German (de)
French (fr)
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EP2256056B1 (en
EP2256056B2 (en
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Schuetz GmbH and Co KGaA
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Schuetz GmbH and Co KGaA
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Application filed by Schuetz GmbH and Co KGaA filed Critical Schuetz GmbH and Co KGaA
Publication of EP2256056A1 publication Critical patent/EP2256056A1/en
Publication of EP2256056B1 publication Critical patent/EP2256056B1/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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • B65D39/082—Bung-rings and bungs for bung-holes
    • B65D39/088—Bungs with special means facilitating handling thereof
    • 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
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/024—Closures in which a part has to be ruptured to gain access to the contents
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • B65D55/08—Annular elements encircling container necks
    • B65D55/0863—Plastic snap-on cap-like collars having frangible parts

Definitions

  • the invention relates to a bung stopper for bung container, in particular for bung barrels made of plastic for liquids, with a screwed into a formed as a threaded nozzle spigot of the container bung plug made of plastic or metal and a snap-on plug on the sealing cap made of plastic for the detection of tampering, wherein the cup-shaped bung stopper a cylindrical outer wall having an external thread, are arranged on the inner circumference Jardineleingreifgraphy for a socket wrench concentric with the plug central axis, which extend radially and axially into the plug well of the bung plug.
  • the sealing cap of one in the EP 1 697 224 B1 described bung stopper of the generic type for bung container has elastic legs which extend axially into the plug well and have a radially projecting foot.
  • the elastic legs of the sealing cap dip into the plug well and the leg feet lock with radial undercuts formed at the base of the key engagement eyelets.
  • the outer diameter of the circularly arranged leg feet of the sealing cap is greater than the inner diameter of the circularly arranged, outwardly curved inner walls of the key gripping lugs of the bung plug with the undercuts for engaging the leg feet of the sealing cap.
  • the invention has for its object to develop a suitable for automatic filling systems for bung, in particular bung barrels, bung closure.
  • the bung stopper 1 after the FIGS. 1 to 3 for bung 2 made of plastic such as bung casks for liquids is formed by a trained as a threaded spigot 3 of the container 2, a screwed into the bung 3 bung stopper 4 made of plastic or metal and a snap-on stoppers 4 snap-on sealing cap 5 made of plastic for the detection of tampering.
  • the bung stopper 4 is sealed by means of a sealing ring 6 in the bung 3.
  • the cup-shaped bung stopper 4 has a cylindrical outer wall 7 with an external thread 8, on the inner circumference 9 key gripping lugs 10 are arranged for a socket wrench concentric to the plug central axis 11-11 extending radially and axially into the plug recess 12 of the bung 4.
  • a concentric, limited elastic clamping sleeve 16 is connected by Abr predominantlystegen 15, which extends axially into the plug recess 12 and at its inner end 17 has a radially projecting into the plug recess 12, annular locking element 18 for locking with ring segment-shaped in the plug recess 12 radially projecting counter-latching elements 19 at the lower portion 20 of the outwardly curved, cylinder-segment-shaped inner walls 21 of the key locking eyelets 10th
  • the annular detent element 18 of the clamping sleeve 16 of the sealing cap 5 and the ring-segment-shaped counter-locking elements 19 on the key-locking eyelets 10 of the bung stopper 4 have hook-shaped cross-sectional profiles 22, 23.
  • the outer diameter D 1 of the annular locking element 18 on the clamping sleeve 16 of the sealing cap 5 is approximately equal to the diameter D 2 of the inner walls 21 of the key locking eyes 10 of the bung stopper 4, such that when snapping the sealing cap 5 on the screwed into the bung 3 bung stopper 4 the annular detent element 18 is guided at the inner end 17 of the clamping sleeve 16 of the sealing cap 4 before locking with the counter-locking elements 19 on the inner walls 21 of the key locking eyelets 10 of the bung stopper 4 through the inner walls 21 of the key locking eyelets 10.
  • sealing cap 5 and bung stopper 4 when the sealing cap is snapped onto the bung stopper makes it possible to mechanically close the bung nipples 3 of bunghouses 2 in automatic filling plants, in particular for bung drums.
  • the annular detent element 18 at the inner end 17 of the clamping sleeve 16 of the sealing cap 5 and the ring segment-shaped counter-locking elements 19 have a tongue-shaped cross-sectional profile at the key locking eyelets 10 of the bung stopper 4.
  • the annular locking element 18 at the inner end 17 of the clamping sleeve 16 of the sealing cap 5 with preferably three toothed rings 24 for locking with three corresponding toothed ring segments 25 of the counter-locking elements 19 are provided on the key locking eyelets 10 of the bung stopper 4.
  • the clamping sleeve 16 of the sealing cap 5 is connected except by the tear-off webs 15 by a pull-tab 26 with the sealing cap 14, wherein the pull-tab 26 is integrated into the sealing cap 14.
  • the sealing cap 5 is provided with an outer tear-off tab 27, which is integrally formed on a tear-off ring 28 which is connected by tear-off webs 29 and a holding web 30 to the downwardly directed outer edge 31 of the sealing cap 5.

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

Abstract

The closure plug (1) has an elastic clamping sleeve (16) fastened to an inner side (13) of a sealing cap disk (14). The sleeve has an annular locking element (18) radially protruded into the cavity to lock the sleeve with a ring segment-like counter-locking element (19). Outer diameter (D1) of the locking element is approximately equal to diameter (D2) of a cylinder segment-like inner wall (21) such that the locking element at an inner end (17) of the sleeve is guided before locking with the counter-locking element by the inner wall during fixing a sealing cap (5) on a bung-hole plug (4).

Description

Die Erfindung betrifft einen Spundstopfenverschluss für Spundbehälter, insbesondere für Spundfässer aus Kunststoff für Flüssigkeiten, mit einem in einen als Gewindestutzen ausgebildeten Spundstutzen des Behälters einschraubbaren Spundstopfen aus Kunststoff oder Metall sowie einer auf den Spundstopfen aufrastbaren Siegelkappe aus Kunststoff zum Nachweis von Manipulationen, wobei der becherförmige Spundstopfen eine zylindrische Außenwand mit einem Außengewinde aufweist, an deren Innenumfang Schlüsseleingreifösen für einen Steckschlüssel konzentrisch zur Stopfenmittelachse angeordnet sind, die sich radial und axial in die Stopfenmulde des Spundstopfens erstrecken.The invention relates to a bung stopper for bung container, in particular for bung barrels made of plastic for liquids, with a screwed into a formed as a threaded nozzle spigot of the container bung plug made of plastic or metal and a snap-on plug on the sealing cap made of plastic for the detection of tampering, wherein the cup-shaped bung stopper a cylindrical outer wall having an external thread, are arranged on the inner circumference Schlüsseleleingreifösen for a socket wrench concentric with the plug central axis, which extend radially and axially into the plug well of the bung plug.

Die Siegelkappe eines in der EP 1 697 224 B1 beschriebenen Spundstopfenverschlusses der gattungsgemäßen Art für Spundbehälter weist elastische Schenkel auf, die sich axial in die Stopfenmulde erstrecken und einen radial vorstehenden Fuß besitzen. Beim Aufrasten der Siegelkappe auf den in den Spundstutzen eines Spundbehälters eingeschraubten Spundstopfen tauchen die elastischen Schenkel der Siegelkappe in die Stopfenmulde ein und die Schenkelfüße verrasten mit radialen Hinterschneidungen, die an der Basis der Schlüsseleingreifösen gebildet sind. Der äußere Durchmesser der kreisförmig angeordneten Schenkelfüße der Siegelkappe ist größer als der Innendurchmesser der kreisförmig angeordneten, nach außen gewölbten Innenwände der Schlüsseleingreifösen des Spundstopfens mit den Hinterschneidungen zum Einrasten der Schenkelfüße der Siegelkappe. Diese Geometrie des Verschlussstopfens und der Siegelkappe führt zu Schwierigkeiten beim Aufrasten der Siegelkappe auf den Verschlussstopfen in automatischen Abfüllanlagen für Flüssigkeiten, da zu Beginn des Aufrastvorgangs die elastischen Schenkel der Siegelkappe mit den Rastfüßen auf den oberen Rand der Schlüsseleingreifösen des Spundstopfens des zu verschließenden Behälters auftreffen und nicht durch die Innenwände der Schlüsseleingreifösen des Spundstopfens geführt sind sondern zunächst so weit zusammengedrückt werden müssen, dass die Rastfüße mit den Innenwänden der Schlüsseleingreifösen in Eingriff gelangen können.The sealing cap of one in the EP 1 697 224 B1 described bung stopper of the generic type for bung container has elastic legs which extend axially into the plug well and have a radially projecting foot. When the sealing cap is snapped onto the bung plug screwed into the bung of a bung container, the elastic legs of the sealing cap dip into the plug well and the leg feet lock with radial undercuts formed at the base of the key engagement eyelets. The outer diameter of the circularly arranged leg feet of the sealing cap is greater than the inner diameter of the circularly arranged, outwardly curved inner walls of the key gripping lugs of the bung plug with the undercuts for engaging the leg feet of the sealing cap. This geometry of the sealing plug and the Sealing cap leads to difficulties in snapping the seal cap on the stopper in automatic filling systems for liquids, since at the beginning of Aufrastvorgangs the elastic legs of the sealing cap with the locking feet on the upper edge of the key gripping lugs of the bung of the container to be closed hitting and not through the inner walls of the key gripping eyelets the bung stopper are guided but first must be compressed so far that the locking feet can engage with the inner walls of the key locking eyelets.

Der Erfindung liegt die Aufgabe zugrunde, einen für automatische Abfüllanlagen für Spundbehälter, insbesondere Spundfässer, geeigneten Spundstopfenverschluss zu entwickeln.The invention has for its object to develop a suitable for automatic filling systems for bung, in particular bung barrels, bung closure.

Diese Aufgabe wird erfindungsgemäß gelöst durch einen Spundstopfenverschluss für Spundbehälter mit den Merkmalen des Patentanspruchs 1.This object is achieved by a bung stopper for bung container with the features of claim 1.

Die Unteransprüche beinhalten vorteilhafte und zweckmäßige Weiterbildungen der Erfindung.The subclaims contain advantageous and expedient developments of the invention.

Die Erfindung ist nachstehend anhand von Zeichnungsfiguren erläutert, die folgendes darstellen:

Fig.1
einen Längsschnitt einer ersten Ausführungsform eines Spundstopfenverschlusses für einen Spundbehälter,
Fig. 2
die Draufsicht des Spundstopfens,
Fig. 3
eine perspektivische Innenansicht der Siegelkappe des Spundstopfens und
Fig. 4
einen Längsschnitt einer zweiten Ausführungsform des Spundstopfenverschlusses.
The invention is explained below with reference to drawings, which show:
Fig.1
a longitudinal section of a first embodiment of a bung stopper for a bung container,
Fig. 2
the top view of the bung plug,
Fig. 3
an interior perspective view of the sealing cap of the bung stopper and
Fig. 4
a longitudinal section of a second embodiment of the bung stopper.

Der Spundstopfenverschluss 1 nach den Figuren 1 bis 3 für Spundbehälter 2 aus Kunststoff wie Spundfässer für Flüssigkeiten wird durch einen als Gewindestutzen ausgebildeten Spundstutzen 3 des Behälters 2, einen in den Spundstutzen 3 einschraubbaren Spundstopfen 4 aus Kunststoff oder Metall sowie eine auf den Spundstopfen 4 aufrastbare Siegelkappe 5 aus Kunststoff zum Nachweis von Manipulationen gebildet. Der Spundstopfen 4 ist mittels eines Dichtringes 6 in dem Spundstutzen 3 abgedichtet.The bung stopper 1 after the FIGS. 1 to 3 for bung 2 made of plastic such as bung casks for liquids is formed by a trained as a threaded spigot 3 of the container 2, a screwed into the bung 3 bung stopper 4 made of plastic or metal and a snap-on stoppers 4 snap-on sealing cap 5 made of plastic for the detection of tampering. The bung stopper 4 is sealed by means of a sealing ring 6 in the bung 3.

Der becherförmige Spundstopfen 4 weist eine zylindrische Außenwand 7 mit einem Außengewinde 8 auf, an deren Innenumfang 9 Schlüsseleingreifösen 10 für einen Steckschlüssel konzentrisch zur Stopfenmittelachse 11-11 angeordnet sind, die sich radial und axial in die Stopfenmulde 12 des Spundstopfens 4 erstrecken.The cup-shaped bung stopper 4 has a cylindrical outer wall 7 with an external thread 8, on the inner circumference 9 key gripping lugs 10 are arranged for a socket wrench concentric to the plug central axis 11-11 extending radially and axially into the plug recess 12 of the bung 4.

An die Innenseite 13 der Siegelkappenscheibe 14 ist mittels Abreißstegen 15 eine konzentrische, begrenzt elastische Klemmhülse 16 angebunden, die sich axial in die Stopfenmulde 12 erstreckt und an ihrem inneren Ende 17 ein radial in die Stopfenmulde 12 vorspringendes, ringförmiges Rastelement 18 aufweist zum Verrasten mit ringsegmentförmigen, in die Stopfenmulde 12 radial vorspringenden Gegenrastelementen 19 am unteren Abschnitt 20 der nach außen gewölbten, zylindersegmentförmigen Innenwände 21 der Schlüsseleingreifösen 10.To the inner side 13 of the sealing cap 14 a concentric, limited elastic clamping sleeve 16 is connected by Abreißstegen 15, which extends axially into the plug recess 12 and at its inner end 17 has a radially projecting into the plug recess 12, annular locking element 18 for locking with ring segment-shaped in the plug recess 12 radially projecting counter-latching elements 19 at the lower portion 20 of the outwardly curved, cylinder-segment-shaped inner walls 21 of the key locking eyelets 10th

Das ringförmige Rastelement 18 der Klemmhülse 16 der Siegelkappe 5 und die ringsegmentförmigen Gegenrastelemente 19 an den Schlüsseleingreifösen 10 des Spundstopfens 4 weisen hakenförmige Querschnittsprofile 22, 23 auf.The annular detent element 18 of the clamping sleeve 16 of the sealing cap 5 and the ring-segment-shaped counter-locking elements 19 on the key-locking eyelets 10 of the bung stopper 4 have hook-shaped cross-sectional profiles 22, 23.

Der Außendurchmesser D1 des ringförmigen Rastelementes 18 an der Klemmhülse 16 der Siegelkappe 5 ist annähernd gleich dem Durchmesser D2 der Innenwände 21 der Schlüsseleingreifösen 10 des Spundstopfens 4, derart, dass beim Aufrasten der Siegelkappe 5 auf den in den Spundstutzen 3 eingeschraubten Spundstopfen 4 das ringförmige Rastelement 18 am inneren Ende 17 der Klemmhülse 16 der Siegelkappe 4 vor dem Verrasten mit den Gegenrastelementen 19 an den Innenwänden 21 der Schlüsseleingreifösen 10 des Spundstopfens 4 durch die Innenwände 21 der Schlüsseleingreifösen 10 geführt ist.The outer diameter D 1 of the annular locking element 18 on the clamping sleeve 16 of the sealing cap 5 is approximately equal to the diameter D 2 of the inner walls 21 of the key locking eyes 10 of the bung stopper 4, such that when snapping the sealing cap 5 on the screwed into the bung 3 bung stopper 4 the annular detent element 18 is guided at the inner end 17 of the clamping sleeve 16 of the sealing cap 4 before locking with the counter-locking elements 19 on the inner walls 21 of the key locking eyelets 10 of the bung stopper 4 through the inner walls 21 of the key locking eyelets 10.

Diese Funktionsweise von Siegelkappe 5 und Spundstopfen 4 beim Aufrasten der Siegelkappe auf den Spundstopfen ermöglicht ein maschinelles Verschließen der Spundstutzen 3 von Spundbehältern 2 in automatischen Abfüllanlagen, insbesondere für Spundfässer.This mode of operation of sealing cap 5 and bung stopper 4 when the sealing cap is snapped onto the bung stopper makes it possible to mechanically close the bung nipples 3 of bunghouses 2 in automatic filling plants, in particular for bung drums.

Bei einer weiteren nicht dargestellten Ausführungsform des Spundstopfenverschlusses besitzen das ringförmige Rastelement 18 am inneren Ende 17 der Klemmhülse 16 der Siegelkappe 5 und die ringsegmentförmigen Gegenrastelemente 19 an den Schlüsseleingreifösen 10 des Spundstopfens 4 ein zungenförmiges Querschnittsprofil.In a further embodiment, not shown, of the bung stopper the annular detent element 18 at the inner end 17 of the clamping sleeve 16 of the sealing cap 5 and the ring segment-shaped counter-locking elements 19 have a tongue-shaped cross-sectional profile at the key locking eyelets 10 of the bung stopper 4.

Bei der in Figur 4 dargestellten weiteren Ausführungsform des Spundstopfenverschlusses 1 ist das ringförmige Rastelement 18 am inneren Ende 17 der Klemmhülse 16 der Siegelkappe 5 mit vorzugsweise drei Zahnringen 24 zum Verrasten mit drei entsprechenden Zahnringsegmenten 25 der Gegenrastelemente 19 an den Schlüsseleingreifösen 10 des Spundstopfens 4 ausgestattet.At the in FIG. 4 shown further embodiment of the bung stopper 1, the annular locking element 18 at the inner end 17 of the clamping sleeve 16 of the sealing cap 5 with preferably three toothed rings 24 for locking with three corresponding toothed ring segments 25 of the counter-locking elements 19 are provided on the key locking eyelets 10 of the bung stopper 4.

Die Klemmhülse 16 der Siegelkappe 5 ist außer durch die Abreißstege 15 durch eine Aufreißlasche 26 mit der Siegelkappenscheibe 14 verbunden, wobei die Aufreißlasche 26 in die Siegelkappenscheibe 14 integriert ist.The clamping sleeve 16 of the sealing cap 5 is connected except by the tear-off webs 15 by a pull-tab 26 with the sealing cap 14, wherein the pull-tab 26 is integrated into the sealing cap 14.

Die Siegelkappe 5 ist mit einer äußeren Abreißlasche 27 ausgestattet, die an einen Abreißring 28 angeformt ist, der durch Abreißstege 29 und einen Haltesteg 30 an den nach unten gerichteten äußeren Rand 31 der Siegelkappe 5 angebunden ist.The sealing cap 5 is provided with an outer tear-off tab 27, which is integrally formed on a tear-off ring 28 which is connected by tear-off webs 29 and a holding web 30 to the downwardly directed outer edge 31 of the sealing cap 5.

Beim Abreißen der Siegelkappe 5 von dem Spundstopfen 4 mittels der Abreißlasche 27 werden zuerst die Abreißstege 29 des Abreißringes 28 der Abreißlasche 27 zerstört und danach werden die Abreißstege 15, mit denen die Klemmhülse 16 an die Siegelkappenscheibe 14 angebunden ist, durchtrennt. Bei diesem Abreißvorgang sorgen der Haltesteg 30 des Abreißringes 28 der Abreißlasche 27 und die in die Siegelkappenscheibe 14 integrierte Aufreißlasche 26, die mit der Klemmhülse 16 verbunden ist, dafür, dass der Abreißring 28 mit der Abreißlasche 27, die Siegelkappenscheibe 14 und die Klemmhülse 16 der Siegelkappe 5 lose miteinander verbunden bleiben und damit die Siegelkappe 5 mit ihren einzelnen Bestandteilen auf eine einfache Weise von dem Spundstopfen 4 entfernt werden kann.When tearing off the sealing cap 5 from the bung stopper 4 by means of the tear-off tab 27, the tear-off webs 29 of the tear-off ring 28 of the tear-off tab 27 are destroyed first and then the tear-off webs 15, with which the clamping sleeve 16 is connected to the sealing cap disk 14, are severed. In this tearing off the holding web 30 of the tear-off 28 of the tear-off 27 and integrated into the sealing cap 14 tear tab 26 which is connected to the clamping sleeve 16, ensure that the tear-off 28 with the tear-off tab 27, the sealing cap 14 and the clamping sleeve 16 of Seal cap 5 loosely connected to each other and thus the sealing cap 5 can be removed with their individual components in a simple manner from the bung stopper 4.

Claims (6)

Spundstopfenverschluss für Spundbehälter, insbesondere für Spundfässer aus Kunststoff für Flüssigkeiten, mit einem in einen als Gewindestutzen ausgebildeten Spundstutzen des Behälters einschraubbaren Spundstopfen aus Kunststoff oder Metall sowie einer auf den Spundstopfen aufrastbaren Siegelkappe aus Kunststoff zum Nachweis von Manipulationen, wobei der becherförmige Spundstopfen eine zylindrische Außenwand mit einem Außengewinde aufweist, an deren Innenumfang Schlüsseleingreifösen für einen Steckschlüssel konzentrisch zur Stopfenmittelachse angeordnet sind, die sich radial und axial in die Stopfenmulde des Spundstopfens erstrecken, gekennzeichnet durch eine mittels Abreißstegen (15) an die Innenseite (13) der Siegelkappenscheibe (14) angebundene, zentrische, begrenzt elastische Klemmhülse (16), die sich axial in die Stopfenmulde (12) erstreckt und an ihrem inneren Ende (17) ein radial in die Stopfenmulde (12) vorspringendes, ringförmiges Rastelement (18) aufweist zum Verrasten mit ringsegmentförmigen, in die Stopfenmulde (12) radial vorspringenden Gegenrastelementen (19) am unteren Abschnitt (20) der nach außen gewölbten, zylindersegmentförmigen Innenwände (21) der Schlüsseleingreifösen (10), wobei der Außendurchmesser (D1) des ringförmigen Rastelementes (18) an der Klemmhülse (16) der Siegelkappe (5) annähernd gleich dem Durchmesser (D2) der Innenwände (21) der Schlüsseleingreifösen (10) des Spundstopfens (4) ist, derart, dass beim Aufrasten der Siegelkappe (5) auf den in den Spundstutzen (3) eingeschraubten Spundstopfen (4) das ringförmige Rastelement (18) am inneren Ende (17) der Klemmhülse (16) der Siegelkappe (5) vor dem Verrasten mit den Gegenrastelementen (19) an den Innwänden (21) der Schlüsseleingreifösen (10) des Spundstopfens (3) durch die Innenwände (21) der Schlüsseleingreifösen (10) geführt ist.Bung stoppers for bung containers, in particular for bung barrels made of plastic for liquids, with a screwed into a nozzle formed as a spigot of the container bung plug made of plastic or metal and a snap-on plug on the sealing cap made of plastic for the detection of tampering, wherein the cup-shaped bung plug a cylindrical outer wall with an external thread, on whose inner circumference key gripping eyelets for a socket wrench are arranged concentrically to the plug central axis, which extend radially and axially into the plug recess of the plug, characterized by a tear-off webs (15) on the inside (13) of the sealing disc (14), Centric, limited elastic clamping sleeve (16) which extends axially into the plug recess (12) and at its inner end (17) has a radially into the plug recess (12) projecting annular locking element (18) for Locking with ring segment-shaped, in the plug recess (12) radially projecting counter-latching elements (19) at the lower portion (20) of the outwardly curved, cylinder-segment-shaped inner walls (21) of the key locking eyes (10), wherein the outer diameter (D 1 ) of the annular latching element (18 ) on the clamping sleeve (16) of the sealing cap (5) is approximately equal to the diameter (D 2 ) of the inner walls (21) of the key gripping eyelets (10) of the bung stopper (4), such that when the sealing cap (5) engages on the in the bung (3) screwed bung stopper (4) the annular detent element (18) at the inner end (17) of the clamping sleeve (16) of the sealing cap (5) before locking with the counter - locking elements (19) on the Innwänden (21) Key gripping lugs (10) of the bung plug (3) through the inner walls (21) of the key gripping lugs (10) is guided. Spundstopfenverschluss nach Anspruch 1, dadurch gekennzeichnet, dass das ringförmige Rastelement (18) am inneren Ende (17) der Klemmhülse (16) der Siegelkappe (5) und die ringsegmentförmigen Gegenrastelemente (19) an den Schlüsseleingreifösen (10) des Spundstopfens (4) hakenförmige Querschnittsprofile (22, 23) aufweisen.Bung stopper according to claim 1, characterized in that the annular detent element (18) at the inner end (17) of the clamping sleeve (16) of the sealing cap (5) and the ring segment-shaped counter-latching elements (19) on the key gripping eyelets (10) of the bung plug (4) hook-shaped Cross-sectional profiles (22, 23) have. Spundstopfenverschluss nach Anspruch 1, dadurch gekennzeichnet, dass das ringförmige Rastelement (18) am inneren Ende (17) der Klemmhülse (16) der Siegelkappe (5) und die ringsegmentförmigen Gegenrastelemente (19) an den Schlüsseleingreifösen (10) des Spundstopfens (4) ein zungenförmiges Querschnittsprofil besitzen.A bung stopper according to claim 1, characterized in that the annular detent element (18) at the inner end (17) of the clamping sleeve (16) of the sealing cap (5) and the ring segment-shaped counter-latching elements (19) on the key locking eyelets (10) of the bung stopper (4) have tongue-shaped cross-sectional profile. Spundstopfenverschluss nach Anspruch 1, dadurch gekennzeichnet, dass das ringförmige Rastelement (18) am inneren Ende (17) der Klemmhülse (16) der Siegelkappe (5) mit mehreren Zahnringen (24) zum Verrasten mit entsprechenden Zahnringsegmenten (25) der Gegenrastelemente (19) an den Schlüsseleingreifösen (10) des Spundstopfens (4) ausgestattet ist.Bung stopper according to claim 1, characterized in that the annular latching element (18) at the inner end (17) of the clamping sleeve (16) of the sealing cap (5) with a plurality of toothed rings (24) for locking with corresponding toothed ring segments (25) of the counter-latching elements (19) at the key gripping lugs (10) of the bung stopper (4) is equipped. Spundstopfenverschluss nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Klemmhülse (16) der Siegelkappe (5) über Abreißstege (15) und eine in die Siegelkappenscheibe (14) integrierte Aufreißlasche (26) mit der Siegelkappenscheibe (14) verbunden ist.Bung stopper according to one of claims 1 to 4, characterized in that the clamping sleeve (16) of the sealing cap (5) via tear-off webs (15) and in the sealing cap (14) integrated tear tab (26) with the sealing cap (14) is connected. Spundstopfenverschluss nach einem der Ansprüche 1 bis 5, gekennzeichnet durch eine äußere Abreißlasche (27), die an einen Abreißring (28) angeformt ist, der durch Abreißstege (29) und einen Haltesteg (30) an den nach unten gerichteten äußeren Rand (31) der Siegelkappe (5) angebunden ist.A bung stopper according to any one of claims 1 to 5, characterized by an outer tear-off tab (27) attached to a Abreißring (28) is formed, which is connected by tear-off webs (29) and a holding web (30) to the downwardly directed outer edge (31) of the sealing cap (5).
EP10162832.9A 2009-05-27 2010-05-14 Tamper-evident bung seal for bung container Active EP2256056B2 (en)

Applications Claiming Priority (1)

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DE102009022800A DE102009022800B3 (en) 2009-05-27 2009-05-27 Bung plug closure for bung container

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EP2256056B1 EP2256056B1 (en) 2011-06-22
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EP (1) EP2256056B2 (en)
KR (1) KR101231102B1 (en)
AT (1) ATE513754T1 (en)
DE (1) DE102009022800B3 (en)
ES (1) ES2368480T5 (en)
SA (1) SA110310389B1 (en)

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ES2368480T5 (en) 2018-11-16
KR101231102B1 (en) 2013-02-07
EP2256056B1 (en) 2011-06-22
US10059490B2 (en) 2018-08-28
ES2368480T3 (en) 2011-11-17
US20100301046A1 (en) 2010-12-02
ATE513754T1 (en) 2011-07-15
DE102009022800B3 (en) 2010-08-19
EP2256056B2 (en) 2018-07-04
KR20100128235A (en) 2010-12-07
US20170152077A1 (en) 2017-06-01
SA110310389B1 (en) 2013-12-22

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