EP0554239A2 - Tube with screw cap - Google Patents

Tube with screw cap Download PDF

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Publication number
EP0554239A2
EP0554239A2 EP93890012A EP93890012A EP0554239A2 EP 0554239 A2 EP0554239 A2 EP 0554239A2 EP 93890012 A EP93890012 A EP 93890012A EP 93890012 A EP93890012 A EP 93890012A EP 0554239 A2 EP0554239 A2 EP 0554239A2
Authority
EP
European Patent Office
Prior art keywords
tube
tear
membrane
screw cap
tab
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.)
Withdrawn
Application number
EP93890012A
Other languages
German (de)
French (fr)
Other versions
EP0554239A3 (en
Inventor
Thomas Reisner
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.)
Tupack Verpackungen GmbH
Original Assignee
Tupack Verpackungen 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.)
Filing date
Publication date
Application filed by Tupack Verpackungen GmbH filed Critical Tupack Verpackungen GmbH
Publication of EP0554239A2 publication Critical patent/EP0554239A2/en
Publication of EP0554239A3 publication Critical patent/EP0554239A3/xx
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure

Definitions

  • the invention relates to a tube with a screw cap with a tear-off membrane connected to the tube opening, in which the tear-off membrane has at least one tear-off tab for pulling the membrane off the tube opening.
  • Tubes of the type mentioned at the outset have become known, for example, from German utility model G 9002262.9 or EP-B 323 370.
  • the tear-off membrane which is designed differently in each case, serves as a guarantee closure and is intended to ensure that the filling quantity and filling status of the tube contents have remained unchanged even when the screw cap has been loosened.
  • the known tear-off membranes generally consist of easily plastically deformable material and in particular of aluminum foils, which have a plastic coating on their side facing the tube mouth for the purpose of hot gluing or welding to the edge of the tube opening.
  • tear-off tabs have already been proposed.
  • the functional reliability of such a tear-off tab is only guaranteed if the tear-off tab cannot be sheared off or destroyed when the tube is screwed on or when the screw cap is placed on the tube.
  • the invention now aims to provide an embodiment of the type of a tube with screw cap mentioned at the outset, which can be used in any conventional tube with screw cap without complex post-processing and in particular without complex redesign of the tubes and in which tear-off membrane with a correspondingly long and easy to gripping tabs can be used, which are not damaged when screwing on a screw cap.
  • the training according to the invention with existing shapes should be minimal Effort for adaptations can be continued and the possibility is created to prevent the risk of damage when accommodating the tab.
  • the design according to the invention essentially consists in the tube neck carrying the external thread for the screw closure having at least one recess or groove extending in the axial direction.
  • the external thread has at least one recess or groove extending in the axial direction, a correspondingly long free space is formed for a correspondingly long tear-off tab and the possibility is created to accommodate the tab in a protected manner on the tube neck.
  • a design can be implemented with very little effort using existing molds, it being sufficient to adapt existing molds by inserting a corresponding strip for the production of such grooves. It can therefore continue to be used with the existing set of shapes after slight adaptation. The subsequent arrangement of such grooves by hot deformation does not pose any significant problems.
  • the design according to the invention makes it possible to maintain the usual thread configurations and dimensions and to continue to use the usual screw caps unchanged. All known process steps for sealing or welding or gluing the film to the edge of the tube opening can thus also be used unchanged, with the additional advantage that an easily detectable and not easily damaged tear-off tab can be safely accommodated.
  • the design is advantageously made such that the depth of the recess or groove in the radial direction essentially corresponds to the depth of the grooves of the external thread.
  • FIG. 1 shows a view of a tube according to the invention with a screw cap, the screwed-on screw cap being shown in section; 2 shows a plan view of the embodiment according to FIG. 1 with the screw cap removed; and Figure 3 shows a partial section along the line III-III of Figure 1.
  • 1 denotes a tube, an external thread 2 being provided on the tube neck, on which a screw cap 4 provided with a corresponding internal thread 3 can be screwed on.
  • the tube opening 5 is closed with a tear-off membrane 6, the tear-off membrane 6 having a tab 7.
  • the tear-off tab 7 is arranged in a recess 9 extending in the axial direction of the tube neck 8, the depth of the recess or groove 9 in the radial direction essentially corresponding to the depth of the grooves of the external thread 2. In this way, when the screw cap 4 is screwed on, the tear-off tab 7 can be accommodated in the groove 9 without risk of destruction.
  • the tear-off tab 7 extends, for example, up to the inclined tube extension 10, so that it can be easily gripped and the tear-off membrane 6 can be easily removed before the tube is used.
  • the screw cap 4 has in its inner area, for example, extensions or a circumferential projection 11 which, when the screw cap 4 is screwed on, presses the tear-off membrane or film 6 against the surface of the tube neck 8 which has the tube opening 5.

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

Abstract

In the case of a tube (1) with a screw cap having a tear-off membrane (6) connected to the tube opening, the tear-off membrane (6) having at least one tear tab (7) for peeling off the membrane (6) from the tube opening, the tube neck bearing the outer thread (2) for the screw cap has at least one recess or groove (9) extending in the axial direction and, as a result, the tear tab can be arranged in the region of the tube neck in a protected manner with the cap screwed on (Fig 1). <IMAGE>

Description

Die Erfindung bezieht sich auf eine Tube mit Schraubverschluß mit einer mit der Tubenöffnung verbundenen Abreißmembran, bei welcher die Abreißmembran wenigstens eine Abreißlasche zum Abziehen der Membran von der Tubenöffnung aufweist.The invention relates to a tube with a screw cap with a tear-off membrane connected to the tube opening, in which the tear-off membrane has at least one tear-off tab for pulling the membrane off the tube opening.

Tuben der eingangs genannten Art sind beispielsweise aus dem deutschen Gebrauchsmuster G 9002262.9 oder der EP-B 323 370 bekanntgeworden. Die jeweils unterschiedlich ausgestaltete Abreißmembran dient hiebei als Garantieverschluß und soll sicherstellen, daß Füllmenge und Füllzustand des Tubeninhaltes auch dann unverändert geblieben sind, wenn die Schraubkappe gelöst wurde.Tubes of the type mentioned at the outset have become known, for example, from German utility model G 9002262.9 or EP-B 323 370. The tear-off membrane, which is designed differently in each case, serves as a guarantee closure and is intended to ensure that the filling quantity and filling status of the tube contents have remained unchanged even when the screw cap has been loosened.

Die bekannten Abreißmembrane bestehen in der Regel aus plastisch leicht deformierbarem Material und insbesondere aus Aluminiumfolien, welche an ihrer der Tubenmündung zugewandten Seite eine Plastikbeschichtung zum Zwecke der Heißverklebung bzw. der Verschweißung mit dem Rand der Tubenöffnung aufweisen. Um derartige Abreißmembrane leicht von der Tubenöffnung abziehen zu können, sind bereits Abreißlaschen vorgeschlagen worden. Die Funktionssicherheit einer derartigen Abreißlasche ist allerdings nur dann gewährleistet, wenn die Abreißlasche beim Zuschrauben der Tube bzw. beim Aufsetzen der Schraubkappe auf die Tube nicht abgeschert oder zerstört werden kann.The known tear-off membranes generally consist of easily plastically deformable material and in particular of aluminum foils, which have a plastic coating on their side facing the tube mouth for the purpose of hot gluing or welding to the edge of the tube opening. In order to be able to pull off such a tear-off membrane easily from the tube opening, tear-off tabs have already been proposed. However, the functional reliability of such a tear-off tab is only guaranteed if the tear-off tab cannot be sheared off or destroyed when the tube is screwed on or when the screw cap is placed on the tube.

Um eine funktionsfähige Abreißlasche sicherzustellen, wurde aus diesem Grund in dem deutschen Gebrauchsmuster G 9002262.9 bereits vorgeschlagen, die Abreißlasche vor dem Aufschrauben der Kappe parallel zur Ebene der Abreißmembran zurückzufalten, so daß sie beim Aufschrauben der Kappe zwischen der Außenseite der Abreißmembran und der Innenseite der aufschraubbaren Kappe zu liegen kommt. Wenn bei einer derartigen Ausbildung ein hinreichender Abstand zwischen der Innenseite der aufschraubbaren Kappe und der Abreißmembran sichergestellt wird, kann eine Beschädigung weitestgehend ausgeschlossen werden, wobei allerdings Voraussetzung ist, daß das Zurückbiegen der Lasche in die genannte Position vor dem Verschrauben der Kappe exakt genug erfolgt und keine Teile über den Rand der Tubenöffnung vorragen. Derartige vorragende Teile könnten nämlich beim Aufschrauben der Kappe durch das Gewinde leicht beschädigt werden. Bei einer derartigen Ausbildung muß die Versiegelung bzw. Verklebung oder Verschweißung der Membran mit der Tubenöffnung vor dem Aufschrauben der Kappe erfolgen und es kann nicht, wie bei anderen Ausbildungen vorgeschlagen, ein nachträgliches Verschweißen nach dem Aufsetzen der Kappe vorgenommen werden.In order to ensure a functional tear-off tab, it was already proposed in German utility model G 9002262.9 to fold the tear-off tab back parallel to the level of the tear-off membrane before screwing on the cap, so that when the cap is screwed on, it lies between the outside of the tear-off membrane and the inside of the screw-on membrane Cap comes to rest. If such a design ensures a sufficient distance between the inside of the screw-on cap and the tear-off membrane, damage can largely be ruled out, although it is a prerequisite that the tab is bent back in the position mentioned before the screwing of the cap is made precisely enough and no parts protrude beyond the edge of the tube opening. Such protruding parts could in fact be easily damaged by the thread when the cap is screwed on. With such a design, the sealing or gluing or welding of the membrane to the tube opening must take place before the cap is screwed on, and it cannot be carried out after the cap has been put on, as suggested in other designs.

Eine derartige weitere Ausbildung eines Garantieverschlusses ist der EP-B 323 370 zu entnehmen. Bei dieser bekannten Ausbildung wird ein Deckel mit zwei äußeren Schichten auf Kunststoffbasis vorgeschlagen, welcher mit einer Andrückumfangsschulter der Kappe in bestimmter Weise zusammenwirken soll. Bei dieser bekannten Ausbildung werden die Laschen über den Rand des Halses in radialer Richtung abwärts umgebogen, wobei allerdings eine spezielle Ausbildung des Tubenhalses und eine spezielle Ausgestaltung des Gewindes erforderlich ist, um sicherzustellen, daß die umgeschlagenen Ränder oberhalb des ersten Gewindeganges zu liegen kommen. Im übrigen wurde bei dieser bekannten Ausbildung die Länge der Abreißlaschen relativ kurz gewählt, um ein Eintauchen der Laschen in den mit Gewinde ausgestatteten Teil zu verhindern, da dort eine große Beschädigungsgefahr bestünde.Such a further embodiment of a guarantee closure can be found in EP-B 323 370. In this known design, a cover with two outer layers on a plastic basis is proposed, which is intended to cooperate in a certain way with a pressure circumferential shoulder of the cap. In this known design, the tabs are bent downward over the edge of the neck in the radial direction, although a special design of the tube neck and a special design of the thread are required to ensure that the folded edges come to lie above the first thread. In addition, the length of the tear-off tabs in this known design was chosen to be relatively short in order to prevent the tabs from being immersed in the threaded part, since there would be a great risk of damage there.

Die Erfindung zielt nun darauf ab, eine Ausbildung der eingangs genannten Art einer Tube mit Schraubverschluß zu schaffen, welche ohne aufwendige Nachbearbeitung und insbesondere ohne aufwendige Neugestaltung der Formen bei beliebigen konventionellen Tuben mit Schraubverschluß Verwendung finden kann und bei welcher Abreißmembrane mit entsprechend langen und leicht zu ergreifenden Laschen zum Einsatz gelangen können, welche beim Aufschrauben einer Schraubkappe nicht beschädigt werden. Insbesondere soll durch die erfindungsgemäße Ausbildung mit bestehenden Formen unter geringstem Aufwand für Adaptierungen weitergearbeitet werden können und die Möglichkeit geschaffen werden, die Beschädigungsgefahr bei der Unterbringung der Lasche hintanzuhalten. Zur Lösung dieser Aufgabe besteht die erfindungsgemäße Ausbildung im wesentlichen darin, daß der das Außengewinde für den Schraubverschluß tragende Tubenhals wenigstens eine sich in axialer Richtung erstreckende Ausnehmung bzw. Nut aufweist. Dadurch, daß das Außengewinde wenigstens eine sich in axialer Richtung erstreckende Ausnehmung bzw. Nut aufweist, wird ein entsprechend langer Freiraum für eine dementsprechend lange Abreißlasche gebildet und es wird die Möglichkeit geschaffen, die Lasche in geschützter Weise am Tubenhals unterzubringen. Eine derartige Ausbildung kann mit überaus geringem Aufwand mit bestehenden Formen realisiert werden, wobei es genügt, bestehende Formen durch Einsetzen einer entsprechenden Leiste für die Herstellung derartiger Nuten zu adaptieren. Es kann somit mit dem bestehenden Formensatz nach geringfügiger Adaptierung weitergearbeitet werden. Auch die nachträgliche Anordnung derartiger Nuten durch Heißverformung stellt keine wesentlichen Probleme dar. Die Ausbildung gemäß der Erfindung ermöglicht es, die üblichen Gewindekonfigurationen und Dimensionen beizubehalten und auch die üblichen Schraubkappen unverändert weiterzuverwenden. Es sind somit auch alle bekannten Verfahrensschritte für das Versiegeln bzw. Verschweißen oder Verkleben der Folie mit dem Rand der Tubenöffnung unverändert anwendbar, wobei sich der Zusatzvorteil einstellt, daß eine leicht erfaßbare und beim Aufschrauben nicht ohne weiteres beschädigbare Abreißlasche sicher untergebracht werden kann.The invention now aims to provide an embodiment of the type of a tube with screw cap mentioned at the outset, which can be used in any conventional tube with screw cap without complex post-processing and in particular without complex redesign of the tubes and in which tear-off membrane with a correspondingly long and easy to gripping tabs can be used, which are not damaged when screwing on a screw cap. In particular, the training according to the invention with existing shapes should be minimal Effort for adaptations can be continued and the possibility is created to prevent the risk of damage when accommodating the tab. To achieve this object, the design according to the invention essentially consists in the tube neck carrying the external thread for the screw closure having at least one recess or groove extending in the axial direction. Characterized in that the external thread has at least one recess or groove extending in the axial direction, a correspondingly long free space is formed for a correspondingly long tear-off tab and the possibility is created to accommodate the tab in a protected manner on the tube neck. Such a design can be implemented with very little effort using existing molds, it being sufficient to adapt existing molds by inserting a corresponding strip for the production of such grooves. It can therefore continue to be used with the existing set of shapes after slight adaptation. The subsequent arrangement of such grooves by hot deformation does not pose any significant problems. The design according to the invention makes it possible to maintain the usual thread configurations and dimensions and to continue to use the usual screw caps unchanged. All known process steps for sealing or welding or gluing the film to the edge of the tube opening can thus also be used unchanged, with the additional advantage that an easily detectable and not easily damaged tear-off tab can be safely accommodated.

Um die Beschädigungsgefahr gänzlich ausschließen zu können, ist die Ausbildung mit Vorteil so getroffen, daß die Tiefe der Ausnehmung bzw. Nut in radialer Richtung im wesentlichen der Tiefe der Rillen des Außengewindes entspricht.In order to be able to completely exclude the risk of damage, the design is advantageously made such that the depth of the recess or groove in the radial direction essentially corresponds to the depth of the grooves of the external thread.

Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. In dieser zeigen: Fig.1 eine Ansicht einer erfindungsgemäßen Tube mit Schraubverschluß, wobei die aufgeschraubte Schraubkappe im Schnitt dargestellt ist; Fig.2 eine Draufsicht auf die Ausführungsform gemäß Fig.1 bei abgenommener Schraubkappe; und Fig.3 einen teilweisen Schnitt nach der Linie III-III der Fig.1.The invention is explained below with reference to an embodiment shown in the drawing. In this 1 shows a view of a tube according to the invention with a screw cap, the screwed-on screw cap being shown in section; 2 shows a plan view of the embodiment according to FIG. 1 with the screw cap removed; and Figure 3 shows a partial section along the line III-III of Figure 1.

In der Zeichnung ist mit 1 eine Tube bezeichnet, wobei am Tubenhals ein Außengewinde 2 vorgesehen ist, an welchem eine mit einem entsprechenden Innengewinde 3 versehene Schraubkappe 4 aufschraubbar ist. Die Tubenöffnung 5 ist mit einer Abreißmembran 6 abgeschlossen, wobei die Abreißmembran 6 eine Lasche 7 aufweist. Die Abreißlasche 7 ist in einer sich in axialer Richtung des Tubenhalses 8 erstreckenden Ausnehmung 9 angeordnet, wobei die Tiefe der Ausnehmung bzw. Nut 9 in radialer Richtung im wesentlichen der Tiefe der Rillen des Außengewindes 2 entspricht. Derart kann bei aufgeschraubter Schraubkappe 4 die Abreißlasche 7 ohne Gefahr einer Zerstörung in der Nut 9 aufgenommen werden.In the drawing, 1 denotes a tube, an external thread 2 being provided on the tube neck, on which a screw cap 4 provided with a corresponding internal thread 3 can be screwed on. The tube opening 5 is closed with a tear-off membrane 6, the tear-off membrane 6 having a tab 7. The tear-off tab 7 is arranged in a recess 9 extending in the axial direction of the tube neck 8, the depth of the recess or groove 9 in the radial direction essentially corresponding to the depth of the grooves of the external thread 2. In this way, when the screw cap 4 is screwed on, the tear-off tab 7 can be accommodated in the groove 9 without risk of destruction.

Die Abreißlasche 7 erstreckt sich dabei beispielsweise bis zum geneigt verlaufenden Tubenansatz 10, so daß sie leicht ergriffen werden kann und die Abreißmembran 6 vor Verwendung der Tube leicht entfernt werden kann.The tear-off tab 7 extends, for example, up to the inclined tube extension 10, so that it can be easily gripped and the tear-off membrane 6 can be easily removed before the tube is used.

Die Schraubkappe 4 weist in ihrem inneren Bereich beispielsweise Fortsätze bzw. einen in Umfangsrichtung verlaufenden Vorsprung 11 auf, welcher bei aufgeschraubter Schraubkappe 4 die Abreißmembran bzw. Folie 6 an die die Tubenöffnung 5 aufweisende Fläche des Tubenhalses 8 andrückt.The screw cap 4 has in its inner area, for example, extensions or a circumferential projection 11 which, when the screw cap 4 is screwed on, presses the tear-off membrane or film 6 against the surface of the tube neck 8 which has the tube opening 5.

Claims (2)

Tube (1) mit Schraubverschluß mit einer mit der Tubenöffnung verbundenen Abreißmembran (6), bei welcher die Abreißmembran (6) wenigstens eine Abreißlasche (7) zum Abziehen der Membran von der Tubenöffnung aufweist, dadurch gekennzeichnet, daß der das Außengewinde (2) für den Schraubverschluß tragende Tubenhals wenigstens eine sich in axialer Richtung erstreckende Ausnehmung bzw. Nut (9) aufweist.Tube (1) with screw cap with a tear-off membrane (6) connected to the tube opening, in which the tear-off membrane (6) has at least one tear-off tab (7) for pulling the membrane away from the tube opening, characterized in that the external thread (2) for the tube neck carrying the screw closure has at least one recess or groove (9) extending in the axial direction. Tube nach Anspruch 1, dadurch gekennzeichnet, daß sich die Tiefe der Ausnehmung bzw. Nut (9) in radialer Richtung im wesentlichen der Tiefe der Rillen des Außengewindes (2) entspricht.Tube according to claim 1, characterized in that the depth of the recess or groove (9) in the radial direction corresponds substantially to the depth of the grooves of the external thread (2).
EP93890012A 1992-01-28 1993-01-28 Tube with screw cap Withdrawn EP0554239A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT137/92 1992-01-28
AT13792 1992-01-28

Publications (2)

Publication Number Publication Date
EP0554239A2 true EP0554239A2 (en) 1993-08-04
EP0554239A3 EP0554239A3 (en) 1994-02-02

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ID=3482515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93890012A Withdrawn EP0554239A2 (en) 1992-01-28 1993-01-28 Tube with screw cap

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Country Link
EP (1) EP0554239A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998034847A2 (en) * 1997-02-07 1998-08-13 Dental-Kosmetik Gmbh Dresden Rotationally clamping closure for a container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523689A (en) * 1984-02-27 1985-06-18 Herman Laub Reusable tamper-proof container
EP0323370A1 (en) * 1987-12-23 1989-07-05 Cebal Packing comprising a tube, a threaded cap, and an inner closure to be welded on the neck of the tube, an method of closing said tube
US4872571A (en) * 1989-01-23 1989-10-10 Crecelius Ross E Container pour spout with peelable tamper-proof seal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523689A (en) * 1984-02-27 1985-06-18 Herman Laub Reusable tamper-proof container
EP0323370A1 (en) * 1987-12-23 1989-07-05 Cebal Packing comprising a tube, a threaded cap, and an inner closure to be welded on the neck of the tube, an method of closing said tube
US4872571A (en) * 1989-01-23 1989-10-10 Crecelius Ross E Container pour spout with peelable tamper-proof seal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998034847A2 (en) * 1997-02-07 1998-08-13 Dental-Kosmetik Gmbh Dresden Rotationally clamping closure for a container
WO1998034847A3 (en) * 1997-02-07 1998-11-26 Dental Kosmetik Gmbh Dresden Rotationally clamping closure for a container
US6257430B1 (en) 1997-02-07 2001-07-10 Dental-Kosmetik Gmbh Dresden Twist-on closure mechanism for container

Also Published As

Publication number Publication date
EP0554239A3 (en) 1994-02-02

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