EP0210138A2 - Plastic closure with a tamper-proof strip - Google Patents

Plastic closure with a tamper-proof strip Download PDF

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Publication number
EP0210138A2
EP0210138A2 EP86810329A EP86810329A EP0210138A2 EP 0210138 A2 EP0210138 A2 EP 0210138A2 EP 86810329 A EP86810329 A EP 86810329A EP 86810329 A EP86810329 A EP 86810329A EP 0210138 A2 EP0210138 A2 EP 0210138A2
Authority
EP
European Patent Office
Prior art keywords
cap
guarantee band
guarantee
closure
plastic closure
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
EP86810329A
Other languages
German (de)
French (fr)
Other versions
EP0210138B1 (en
EP0210138A3 (en
Inventor
Werner F. Dubach
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.)
Alfatechnic AG
Original Assignee
Alfatechnic AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfatechnic AG filed Critical Alfatechnic AG
Priority to AT86810329T priority Critical patent/ATE62639T1/en
Publication of EP0210138A2 publication Critical patent/EP0210138A2/en
Publication of EP0210138A3 publication Critical patent/EP0210138A3/en
Application granted granted Critical
Publication of EP0210138B1 publication Critical patent/EP0210138B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/25—Non-metallic tear-off strips

Definitions

  • Guarantee tapes on plastic closures serve as a guarantee of integrity for a product packaged in a container with a plastic closure. So far, guarantee tapes are only known on two-part plastic closures. In the case of such closures, which consist of a separate lower part and a cap that can be placed thereon, the guarantee band is connected to the lower part via webs and completely wrap around the closure, that is to say by 360 degrees.
  • Form-locking means arranged on the guarantee band make it impossible to open the cap before the guarantee band is torn.
  • the guarantee band can also be fastened to the cap and engage positively in the lower part.
  • the present invention relates to a plastic closure consisting of a lower part and a cap connected to it in one piece via a hinge and a guarantee band arranged on the lower closure part.
  • a plastic closure of the type mentioned which is characterized in that on Closure part of a guarantee band is arranged which extends at most over half the circumference around the cap and in this area extends at least approximately according to the height of the cap, the guarantee band being arranged symmetrically to the hinge on its opposite side of the cap.
  • Such a closure can have a nose arranged on the cap, which protrudes approximately by the thickness of the guarantee band and engages in a positive recess in the guarantee band in the closed state.
  • the guarantee band can absorb pressure forces of the cap in the opening direction, such as occur during transport and due to pressure differences. In this way, the snap hinge closure can withstand the pressure even without additional locking elements when pasteurizing or sterilizing the packaged product.
  • a further advantageous embodiment provides that a lateral recessed grip that runs into the cap surface is formed in the cap.
  • cap of the plastic closure according to the invention is provided on the side opposite the hinge with a pressure trough which is completely covered by the guarantee band when the closure is closed, a simple opening aid is obtained.
  • the guarantee band lies as close as possible to the cap, the risk of the guarantee band being inadvertently broken is low.
  • the guarantee band is connected to the lower closure part via webs, the length of which corresponds at least approximately to the material thickness of the guarantee band.
  • the design of the guarantee band according to the invention always causes a tear perpendicular to the band when it is torn off Force component running in the direction of the web.
  • This force component causes a large notch effect on the webs, by means of which the sealing tape is attached to the lower part. This apparently insignificant fact makes it possible for the first time to manufacture a plastic closure with a guarantee tape made of polypropylene.
  • FIGS. 1-5 show one and the same closure in different views, the sealing tape being present in FIGS. 1-4, the same being removed in FIG. 5.
  • the closure consists of a lower part 1, a cap 2 and a hinge 3 pivotally connecting the two parts.
  • a guarantee band molded onto the lower part 1 is designated by 4.
  • the guarantee band 4 is located opposite the hinge 3 and extends around half the circumference of the cap.
  • the guarantee band 4 is aligned symmetrically or centrally with respect to the hinge 3.
  • the height of the guarantee band 4 corresponds approximately to the height of the cap 2.
  • the upper edge of the cap 2 is rounded and the curve 5 only runs below the top edge of the guarantee band into the vertical, cylindrical wall of the cap. A small upper edge area of the guarantee band 4 can thus be detected. This makes it possible to grasp one end of the guarantee band and pull it radially downward.
  • a second way of removing the guarantee band 4 is to slide your thumb diagonally over the cap 2 away from the hinge 3 and to strip the guarantee band 4 downwards.
  • the guarantee band 4 can also cover an opening aid. The same can be seen in FIG. 5, in which the same closure is shown in the open position, in which the sealing tape has already been removed.
  • the opening aid consists of an indentation or depression of the depression 7 in the vertical side wall of the cap 2.
  • a bead 8 remaining in the upper edge region of the cap 2 makes it easier to exert an upward force with the finger in order to open the closure.
  • FIGs 6 to 8 show a solution to this problem.
  • the cap 2 there is a side recessed recessed as recessed grip 9, which runs into the surface of the cap 2. Due to its lateral arrangement, the recessed grip 9 is only partially covered by the guarantee tape 4 (FIG. 7).
  • the recessed grip 9, which can be clearly seen from above (FIG. 8), allows the guarantee band to be gripped behind with one finger, so that it can be easily torn off.
  • the outwardly inclined depression 9 in turn also causes the sealing tape 4 to be pulled off radially downward.
  • the connecting webs 6 between the guarantee tape 4 and the lower part 1 can only be seen in the view from above.
  • FIGS. 9 to 11 A detailed variant of the plastic closure with a guarantee band is shown in FIGS. 9 to 11.
  • the features of the closure which are insignificant for the invention are not dealt with.
  • the one-piece closure is drawn in all the figures in the fully opened state as it is sprayed.
  • Figure 9 you can see the lower part 1 from below and the cap 2 from above.
  • the webs 6, via which the guarantee band 4 is connected to the lower part 1, are clearly recognizable.
  • the cap 2 instructs a nose 10 on the side opposite the film hinge 3.
  • This nose 10 serves the position of use of the closure, that is to say after removal of the sealing tape 4, as an opening aid.
  • the nose 10 protrudes from the cap 2 by slightly more than the thickness of the guarantee tape 4.
  • a recess 11 is left free.
  • the nose 10 engages in this recess 11. Once the nose 10 has snapped into the recess 11, the cap 2 cannot be swung open without destroying the guarantee band.
  • the guarantee band can absorb considerable forces that act on the inside of the cap from the container. Such forces always occur when there is overpressure in the closed container. Such overprints are always generated when a product is to be sterilized or pasteurized in a container closed with the closure. This problem was not solved for all plastic closures with snap hinge, unless an additional locking was provided. Closures with locks are in the However, handling is inconvenient, complicated in design and consequently expensive to manufacture. It is an additional merit of the present invention to have solved this troublesome problem simply and inexpensively.
  • a protruding shaped element can be provided on the inside of the guarantee band, which corresponds to the nose 10. This shaped element can snap into a corresponding recess in the cap 2, which in turn forms a closure that is secure against pressure from the inside.
  • connection between the guarantee band and cap can not only be made by webs.
  • the connection can also be made along the entire connection line and weakened accordingly by predetermined breaking points or perforations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Package Frames And Binding Bands (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

A one piece plastic closure comprises a base which is attachable to a container and a cap attached to the base of the closure by a hinge. A safety band is molded together with the base, to which it may be attached by webs. The safety band overlays approximately half the perimeter of the cap and its height is generally the same as that of the cap itself. In this way, the cap cannot be grasped in the area opposite the hinge, and thus cannot be opened. A lug may additionally be provided on the cap which is engageable in a corresponding recess in the safety band to provide the closure in a closed and sealed condition, thus holding the closure and preventing it from opening under the effect of excess pressure in the container.

Description

Garantiebänder an Kunststoffverschlüssen dienen als Unversehrtheitsgarantie für ein, in einem Behälter mit Kunststoffverschluss verpacktes Produkt. Bisher sind Garantiebänder lediglich an zweiteiligen Kunststoffverschlüssen bekannt. Bei solchen Verschlüssen, die aus einem getrennten Unterteil und einer darauf aufsetzbaren Kappe bestehen, ist das Garantieband über Stege mit dem Unterteil verbunden und umschlingen den Verschluss vollständig, das heisst um 360 Grad.Guarantee tapes on plastic closures serve as a guarantee of integrity for a product packaged in a container with a plastic closure. So far, guarantee tapes are only known on two-part plastic closures. In the case of such closures, which consist of a separate lower part and a cap that can be placed thereon, the guarantee band is connected to the lower part via webs and completely wrap around the closure, that is to say by 360 degrees.

Am Garantieband angeordnete Formschlussmittel verunmöglichen das Oeffnen der Kappe bevor das Garantieband gerissen wird. Das Garantieband kann auch an der Kappe befestigt sein und formschlüssig im Unterteil eingreifen. Schliesslich sind auch Lösungen bekannt, bei denen das Garantieband am Unterteil angespritzt ist und so weit hochgezogen, dass ein Zugriff zur Kappe verunmöglicht ist, bevor nicht das Garantieband entfernt wurde.Form-locking means arranged on the guarantee band make it impossible to open the cap before the guarantee band is torn. The guarantee band can also be fastened to the cap and engage positively in the lower part. Finally, solutions are also known in which the guarantee tape is molded onto the lower part and pulled up so far that access to the cap is impossible until the guarantee tape has been removed.

Die vorliegende Erfindung betrifft einen Kunststoffver­schluss bestehend aus einem Unterteil und einer einstückig über ein Scharnier damit verbundene Kappe und einem am Verschlussunterteil angeordneten Garantieband.The present invention relates to a plastic closure consisting of a lower part and a cap connected to it in one piece via a hinge and a guarantee band arranged on the lower closure part.

Die Schwierigkeit ist jedoch, dass bei der Schwenkbewegung der Kappe das Siegelband im Wege ist. Diese Erkenntnis führte dazu, dass in Fachkreisen einteilige, insbesondere Schnappscharnier-Verschlüsse als ungeeignet betrachtet wurden, falls eine Unversehrtheits­garantie vorgesehen sein sollte.The difficulty, however, is that the sealing tape is in the way when the cap swivels. This finding led to the fact that one-piece, in particular snap hinge closures, were considered unsuitable by experts, should a guarantee of integrity be provided.

Es ist die Aufgabe der vorliegenden Erfindung einen Kunststoffverschluss gemäss Oberbegriff des Patentanspruches mit Garantieband zu schaffen, der besonders einfach und preiswert ist.It is the object of the present invention to provide a plastic closure according to the preamble of the claim with a guarantee band, which is particularly simple and inexpensive.

Diese Aufgabe löst ein Kunststoffverschluss der eingangs genannten Art, der sich dadurch auszeichnet, dass am Verschlussteil ein Garantieband angeordnet ist, das maximal über den halben Umfang um die Kappe und in diesem Bereich mindestens annähernd entsprechend der Höhe der Kappe sich erstreckend verläuft, wobei das Garantieband symmetrisch zum Scharnier an dessen gegenüberliegender Seite der Kappe angeordnet ist.This task is solved by a plastic closure of the type mentioned, which is characterized in that on Closure part of a guarantee band is arranged which extends at most over half the circumference around the cap and in this area extends at least approximately according to the height of the cap, the guarantee band being arranged symmetrically to the hinge on its opposite side of the cap.

Ein solcher Verschluss kann an der Kappe eine Nase angeordnet haben, die etwa um die Dicke des Garantiebandes vorsteht und im geschlossenen Zustand in einer formschlüssigen Aussparung im Garantieband eingreift. Bei einer solchen Ausgestaltung kann das Garantieband Druckkräfte der Kappe in Oeffnungsrichtung aufnehmen, wie sie beim Transport und durch Druckunterschiede auftreten. Auf diese Weise vermag der Schnappscharnier-Verschluss auch ohne zusätzliche Verriegelungsorgane bei der Pasteurisierung oder Sterilisierung des abgepackten Produktes dem Druck standhalten.Such a closure can have a nose arranged on the cap, which protrudes approximately by the thickness of the guarantee band and engages in a positive recess in the guarantee band in the closed state. In such an embodiment, the guarantee band can absorb pressure forces of the cap in the opening direction, such as occur during transport and due to pressure differences. In this way, the snap hinge closure can withstand the pressure even without additional locking elements when pasteurizing or sterilizing the packaged product.

Eine weitere vorteilhafte Ausgestaltungsform sieht vor, dass in der Kappe eine seitliche, in die Kappenober­fläche auslaufende Griffmulde geformt ist. Diese Vertiefung ermöglicht es das Garantieband zu ergreifen, auch ohne dass dieses eine zusätzliche Aufreisslasche aufweist. Ein weiterer Vorteil besteht darin, dass das so ergriffene Garantieband schräg nach unten abgerissen wird, wodurch die Kerbwirkung am Material im Bereich der Stege vergrössert wird.A further advantageous embodiment provides that a lateral recessed grip that runs into the cap surface is formed in the cap. These Deepening enables the guarantee band to be gripped even without an additional tear-open tab. Another advantage is that the guarantee tape gripped in this way is torn off obliquely downwards, thereby increasing the notch effect on the material in the area of the webs.

Versieht man die Kappe des erfindungsgemässen Kunststoff­verschlusses in der dem Scharnier gegenüberliegenden Seite mit einer Drückmulde, die im geschlossenen Zustand des Verschlusses vom Garantieband vollständig verdeckt ist, so erhält man eine einfache Oeffnungshilfe.If the cap of the plastic closure according to the invention is provided on the side opposite the hinge with a pressure trough which is completely covered by the guarantee band when the closure is closed, a simple opening aid is obtained.

Liegt das Garantieband möglichst nahe an der Kappe an, so ist die Gefahr, dass das Garantieband unabsichtlich versehrtwird, gering. Dies kann dadurch erreicht werden, dass das Garantieband über Stege mit dem Verschlussunterteil verbunden ist, deren Länge mindestens annähernd der Materialdicke des Garantiebandes entspricht.If the guarantee band lies as close as possible to the cap, the risk of the guarantee band being inadvertently broken is low. This can be achieved in that the guarantee band is connected to the lower closure part via webs, the length of which corresponds at least approximately to the material thickness of the guarantee band.

Die erfindungsgemässe Gestaltungsform des Garantiebandes bewirkt beim Abreissen desselben immer eine senkrecht zur Stegrichtung verlaufende Kraftkomponente. Diese Kraft­komponente bewirkt eine grosse Kerbwirkung auf die Stege, mittels denen das Siegelband am Unterteil befestigt ist. Diese scheinbar unwesentliche Tatsache ermöglicht es, erstmals einen Kunststoffverschluss mit Garantieband aus Polypropylen zu fertigen.The design of the guarantee band according to the invention always causes a tear perpendicular to the band when it is torn off Force component running in the direction of the web. This force component causes a large notch effect on the webs, by means of which the sealing tape is attached to the lower part. This apparently insignificant fact makes it possible for the first time to manufacture a plastic closure with a guarantee tape made of polypropylene.

In der Zeichnung sind einige Ausführungsbeispiele des Erfindungsgegenstandes dargestellt und an Hand der nachfolgenden Beschreibung erläutert.

  • Figur 1 zeigt einen auf einem Behältnis aufgesetzten Verschluss mit Siegelband im geschlossenen Zustand von vorne,
  • Figur 2 von der Seite,
  • Figur 3 von hinten und
  • Figur 4 denselben Verschluss von oben. In
  • Figur 5 ist der Verschluss im geöffneten Zustand von der Seite dargestellt.
  • Figur 6 zeigt ein Behältnis mit aufgesetztem Verschluss im geschlossenen Zustand mit Garantieband, mit einer seitlichen Vertiefung in der Kappe, von hinten
  • Figur 7 von der Seite und
  • Figur 8 von oben. In
  • Figur 9 ist ein anderer Verschluss in geöffneter Lage dargestellt, wobei man den Unterteil von unten und die Kappe von oben erkennt.
  • Figur 10 zeigt den Verschluss in gleicher Lage in Seitenansicht und
  • Figur 11 im Längsschnitt entlang der Linie I-I in Figur 9
In the drawing, some embodiments of the subject matter of the invention are shown and explained using the following description.
  • FIG. 1 shows a closure with sealing tape placed on a container in the closed state from the front,
  • Figure 2 from the side,
  • Figure 3 from behind and
  • Figure 4 the same closure from above. In
  • Figure 5 shows the closure in the open state from the side.
  • Figure 6 shows a container with a closure in the closed state with a guarantee tape, with a lateral recess in the cap, from behind
  • Figure 7 from the side and
  • Figure 8 from above. In
  • FIG. 9 shows another closure in the open position, the lower part being recognizable from below and the cap from above.
  • Figure 10 shows the closure in the same position in side view and
  • FIG. 11 in longitudinal section along line II in FIG. 9

In den Figuren 1-5 ist ein und derselbe Verschluss in verschiedenen Ansichten dargestellt, wobei in den Figuren 1-4 das Siegelband vorhanden, in Figur 5 dasselbe entfernt ist. Der Verschluss besteht aus einem Unterteil 1, einer Kappe 2 und einem, die beiden Teile schwenkbar verbindenen Scharnier 3. Ein am Unterteil 1 angespritztes Garantieband ist mit 4 bezeichnet. Das Garantieband 4 ist dem Scharnier 3 gegenüber gelegen und erstreckt sich um den halben Umfang der Kappe. Das Garantieband 4 ist gegenüber dem Scharnier 3 symmetrisch beziehungsweise zentrisch ausgerichtet. Die Höhe des Garantiebandes 4 entspricht etwa der Höhe der Kappe 2. Der obere Rand der Kappe 2 ist gerundet und die Rundung 5 verläuft erst unterhalb der Oberkante des Garantiebandes in die vertikale, zylindrische Wand der Kappe. Ein geringer oberer Randbereich des Garantiebandes 4 kann somit erfasst werden. Dies ermöglicht es, ein Ende des Garantiebandes zu fassen und nach unten radial abzuziehen. Eine zweite Art das Garantieband 4 zu entfernen, besteht darin, dass man mit dem Daumen diagonal über die Kappe 2 vom Scharnier 3 weg hinüberstreicht und dabei das Garantieband 4 nach unten abstreift.FIGS. 1-5 show one and the same closure in different views, the sealing tape being present in FIGS. 1-4, the same being removed in FIG. 5. The closure consists of a lower part 1, a cap 2 and a hinge 3 pivotally connecting the two parts. A guarantee band molded onto the lower part 1 is designated by 4. The guarantee band 4 is located opposite the hinge 3 and extends around half the circumference of the cap. The guarantee band 4 is aligned symmetrically or centrally with respect to the hinge 3. The height of the guarantee band 4 corresponds approximately to the height of the cap 2. The upper edge of the cap 2 is rounded and the curve 5 only runs below the top edge of the guarantee band into the vertical, cylindrical wall of the cap. A small upper edge area of the guarantee band 4 can thus be detected. This makes it possible to grasp one end of the guarantee band and pull it radially downward. A second way of removing the guarantee band 4 is to slide your thumb diagonally over the cap 2 away from the hinge 3 and to strip the guarantee band 4 downwards.

Diese Art der Oeffnung ist insbesondere dann möglich, wenn der Verschluss aus Polypropylen gefertigt ist. Polypropylen weist dank seiner Macromolekül-Struktur einen relativ hohen Elastizitätsmodul auf, jedoch eine relativ geringe Kerbschlagzähigkeit. Die Gestaltung des Garantiebandes, die Verbindung des Bandes über Stege mit dem Unterteil und das Fehlen einer Aufreisslasche bewirken beim Entfernen des Garantiebandes immer eine grosse Kerbwirkung auf das Material. Nur aus diesem Grunde ist es erstmals möglich, einen Kunststoffverschluss mit Garantieband aus Polypropylen zu verwenden. Die Stege 6, mit denen das Garantieband mit dem Unterteil 1 verbunden ist, sind lediglich in Figur 4 erkennbar. Sie liegen annähernd in der Trennebene zwischen Kappe 2 und Unterteil 1 und werden durch das Garantieband 4 verdeckt.This type of opening is particularly possible if the closure is made of polypropylene. Thanks to its macromolecular structure, polypropylene has a relatively high modulus of elasticity, but a relatively low impact strength. The design of the guarantee band, the connection of the band via webs to the lower part and the lack of a tear-open tab always result in a large notch effect on the material when the guarantee band is removed. This is the only reason why it is possible for the first time to use a plastic closure with a polypropylene guarantee band. The webs 6, with which the guarantee tape with connected to the lower part 1 can only be seen in FIG. 4. They are approximately in the parting plane between cap 2 and lower part 1 and are covered by the guarantee tape 4.

Ohne das Garantieband 4 zu entfernen lässt sich die Kappe 2 nicht fassen und somit auch nicht öffnen. Das Garantieband 4 kann auch eine Oeffnungshilfe verdecken. Dieselbe ist in Figur 5 ersichtlich, in welcher derselbe Verschluss in geöffneter Lage dargestellt ist, bei dem das Siegelband bereits entfernt wurde.Without removing the guarantee tape 4, the cap 2 cannot be grasped and therefore cannot be opened. The guarantee band 4 can also cover an opening aid. The same can be seen in FIG. 5, in which the same closure is shown in the open position, in which the sealing tape has already been removed.

Die Oeffnungshilfe besteht aus einer Einbuchtung oder Vertiefung der Drückmulde 7 in der vertikalen Seitenwand der Kappe 2. Ein im oberen Randbereich der Kappe 2 verbleibender Wulst 8 erleichert es, mit dem Finger eine nach oben gerichtete Kraft auszuüben, um den Verschluss zu öffnen.The opening aid consists of an indentation or depression of the depression 7 in the vertical side wall of the cap 2. A bead 8 remaining in the upper edge region of the cap 2 makes it easier to exert an upward force with the finger in order to open the closure.

Bei kleineren Verschlüssen kann die Entfernung des Garantiebandes 4 relativ problematisch sein, weil es sich schlechtfassen lässt. Die Figuren 6 bis 8 zeigen eine Lösung dieses Problems. In der Kappe 2 ist seitlich eine gewölbte Vertiefung als Griffmulde 9 eingelassen, die in die Oberfläche der Kappe 2 ausläuft. Durch seine seitliche Anordnung wird die Griffmulde 9 durch das Garantieband 4 nur teilweise verdeckt (Figur 7). Die Griffmulde 9, die von oben deutlich erkennbar ist (Figur 8), erlaubt das Hintergreifen des Garantiebandes mit einem Finger, so dass es sich wiederum leicht abreissen lässt. Auch die nach aussen geneigte Vertiefung 9 bewirkt wiederum, dass das Siegelband 4 nach unten radial abgezogen wird. Die Verbindungsstege 6 zwischen dem Garantieband 4 und dem Unterteil 1 sind nur in der Ansicht von oben erkennbar.With smaller closures, the removal of the guarantee tape 4 can be relatively problematic because it is difficult to grasp. Figures 6 to 8 show a solution to this problem. In the cap 2 there is a side recessed recessed as recessed grip 9, which runs into the surface of the cap 2. Due to its lateral arrangement, the recessed grip 9 is only partially covered by the guarantee tape 4 (FIG. 7). The recessed grip 9, which can be clearly seen from above (FIG. 8), allows the guarantee band to be gripped behind with one finger, so that it can be easily torn off. The outwardly inclined depression 9 in turn also causes the sealing tape 4 to be pulled off radially downward. The connecting webs 6 between the guarantee tape 4 and the lower part 1 can only be seen in the view from above.

Eine detailliert dargestellte Variante des Kunststoffverschlusses mit Garantieband ist in den Figuren 9 bis 11 dargestellt. Auf die für die Erfindung unwesentlichen Merkmale des Verschlusses wird nicht eingegangen. Der einteilige Verschluss ist in sämtlichen Figuren im vollständig geöffneten Zustand, wie er gespritzt wird, gezeichnet. In Figur 9 sieht man den Unterteil 1 von unten und die Kappe 2 von oben. Deutlich erkennbar sind die Stege 6, über die das Garantieband 4 mit dem Unterteil 1 verbunden ist. Die Kappe 2 weist an der dem Filmscharnier 3 gegenüberliegenden Seite eine Nase 10 auf. Diese Nase 10 dient der Gebrauchslage des Verschlusses, das heisst nach Entfernung des Siegelbandes 4, als Oeffnungshilfe. Die Nase 10 steht gegenüber der Kappe 2 um etwas mehr als die Dicke des Garantiebandes 4 vor. Am unteren Randbereich des Garantiebandes 4 ist eine Aussparung 11 frei gelassen. In diese Aussparung 11 greift die Nase 10 im geschlossenen Zustand des Verschlusses, wie in Figur 10 gestrichelt eingezeichnet, ein. Hat die Nase 10 einmal in der Aussparung 11 eingerastet, so lässt sich die Kappe 2 nicht aufschwenken ohne dabei das Garantieband zu zerstören.A detailed variant of the plastic closure with a guarantee band is shown in FIGS. 9 to 11. The features of the closure which are insignificant for the invention are not dealt with. The one-piece closure is drawn in all the figures in the fully opened state as it is sprayed. In Figure 9 you can see the lower part 1 from below and the cap 2 from above. The webs 6, via which the guarantee band 4 is connected to the lower part 1, are clearly recognizable. The cap 2 instructs a nose 10 on the side opposite the film hinge 3. This nose 10 serves the position of use of the closure, that is to say after removal of the sealing tape 4, as an opening aid. The nose 10 protrudes from the cap 2 by slightly more than the thickness of the guarantee tape 4. At the lower edge area of the guarantee tape 4, a recess 11 is left free. In the closed state of the closure, as shown in broken lines in FIG. 10, the nose 10 engages in this recess 11. Once the nose 10 has snapped into the recess 11, the cap 2 cannot be swung open without destroying the guarantee band.

Das Garantieband vermag erhebliche Kräfte, die vom Behältnis innen auf die Kappe wirken, aufzunehmen. Solche Kräfte treten immer dann auf, wenn im verschlossenen Behältnis Ueberdruck herrscht. Solche Ueberdrucke erzeugt man immer dann, wenn ein Produkt in einem mit dem Verschluss abgeschlossenes Behältnis sterilisiert oder pasteurisiert werden soll. Dieses Problem war bei allen Kunststoffverschlüssen mit Schnappscharnier ungelöst, falls nicht eine zusätzliche Verriegelung vorgesehen wurde. Verschlüsse mit Verriegelungen sind in der Handhabung jedoch unbequem, in der Gestaltung kompliziert und folglich in der Herstellung teuer. Es ist ein zusätzlicher Verdienst der vorliegenden Erfindung, dieses leidige Problem einfach und preiswert gelöst zu haben.The guarantee band can absorb considerable forces that act on the inside of the cap from the container. Such forces always occur when there is overpressure in the closed container. Such overprints are always generated when a product is to be sterilized or pasteurized in a container closed with the closure. This problem was not solved for all plastic closures with snap hinge, unless an additional locking was provided. Closures with locks are in the However, handling is inconvenient, complicated in design and consequently expensive to manufacture. It is an additional merit of the present invention to have solved this troublesome problem simply and inexpensively.

Zum gleichen Resultat kommt man auch, wenn man die kinematische Umkehrung der obigen Lösung realisiert. An der Innenseite des Garantiebandes kann ein vorstehendes Formelement vorgesehen sein, welches der Nase 10 entspricht. Dieses Formelement kann in einer entsprechenden Aussparung in der Kappe 2 einrasten, womit wiederum ein gegen Druck von innen sicherer Verschluss gebildet ist.The same result can also be achieved if the kinematic inversion of the above solution is realized. A protruding shaped element can be provided on the inside of the guarantee band, which corresponds to the nose 10. This shaped element can snap into a corresponding recess in the cap 2, which in turn forms a closure that is secure against pressure from the inside.

Schliesslich sei noch vermerkt, dass die Verbindung zwischen Garantieband und Kappe nicht nur durch Stege erfolgen kann. Die Verbindung kann auch entlang der gesamten Verbindungslinie erfolgen und entsprechend geschwächt werden durch Sollbruchstellen oder Perforationen.Finally, it should be noted that the connection between the guarantee band and cap can not only be made by webs. The connection can also be made along the entire connection line and weakened accordingly by predetermined breaking points or perforations.

Claims (9)

1. Kunststoffverschluss bestehend aus einem Unterteil (1) und einer einstückig über ein Scharnier (3) damit verbundenen Kappe (2), dadurch gekennzeichnet, dass am Unterteil ein Garantieband (4) angeordnet ist das maximal über den halben Umfang um die Kappe (2) und in diesem Bereich mindestens annähernd entsprechend der Höhe der Kappe sich erstreckt, wobei das Garantieband (4) symmetrisch zum Scharnier (3) angeordnet ist.1. Plastic closure consisting of a lower part (1) and a cap (2) connected to it in one piece via a hinge (3), characterized in that a guarantee band (4) is arranged on the lower part that extends over the half of the circumference around the cap (2 ) and extends in this area at least approximately according to the height of the cap, the guarantee band (4) being arranged symmetrically to the hinge (3). 2. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass an der Kappe (2) mindestens eine Nase (10) angeordnet ist, die vorsteht und im geschlossenen Zustand in eine formschlüssige Aussparung (11) in das Garantieband (4) eingreift.2. Plastic closure according to claim 1, characterized in that on the cap (2) at least one nose (10) is arranged, which protrudes and engages in the closed state in a positive recess (11) in the guarantee band (4). 3. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass in der Kappe (2) eine Griffmulde (9) geformt ist.3. Plastic closure according to claim 1, characterized in that a recessed grip (9) is formed in the cap (2). 4. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass in der dem Scharnier (3) gegenüberliegenden Seite der Kappe (2) eine Drückmulde (7) vorgesehen ist, die im geschlossenen Zustand des Verschlusses vom Garantieband (4) vollständig verdeckt ist.4. Plastic closure according to claim 1, characterized in that in the hinge (3) opposite side of the cap (2) a pressure trough (7) is provided which is completely covered by the guarantee tape (4) in the closed state of the closure. 5. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass das Garantieband (4) über Stege mit dem Verschlussunterteil verbunden ist, deren Länge mindestens annähernd der Dicke des Garantiebandes entspricht.5. Plastic closure according to claim 1, characterized in that the guarantee band (4) is connected via webs to the lower closure part, the length of which corresponds at least approximately to the thickness of the guarantee band. 6. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass derselbe aus Polypropylen gefertigt ist.6. Plastic closure according to claim 1, characterized in that it is made of polypropylene. 7. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass am Garantieband(4) mindestens ein vorstehendes Formelement vorgesehen ist, welches im geschlossenen Zustand in Aussparungen in der Kappe eingreift.7. Plastic closure according to claim 1, characterized in that on the guarantee band (4) at least a protruding shaped element is provided which engages in recesses in the cap in the closed state. 8. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindung zwischen dem Unterteil und dem Garantieband durch Solldurchbruchstellen geschwächt ist.8. Plastic closure according to claim 1, characterized in that the connection between the lower part and the guarantee band is weakened by predetermined breakthrough points. 9. Kunststoffverschluss nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindung zwischen Unterteil und dem Garantieband durch Perforationen geschwächt ist.9. Plastic closure according to claim 1, characterized in that the connection between the lower part and the guarantee band is weakened by perforations.
EP86810329A 1985-07-23 1986-07-21 Plastic closure with a tamper-proof strip Expired - Lifetime EP0210138B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86810329T ATE62639T1 (en) 1985-07-23 1986-07-21 PLASTIC CLOSURE WITH GUARANTEE STRIP.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3189/85A CH667059A5 (en) 1985-07-23 1985-07-23 PLASTIC LOCK WITH GUARANTEE BAND.
CH3189/85 1985-07-23

Publications (3)

Publication Number Publication Date
EP0210138A2 true EP0210138A2 (en) 1987-01-28
EP0210138A3 EP0210138A3 (en) 1988-08-03
EP0210138B1 EP0210138B1 (en) 1991-04-17

Family

ID=4250560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86810329A Expired - Lifetime EP0210138B1 (en) 1985-07-23 1986-07-21 Plastic closure with a tamper-proof strip

Country Status (11)

Country Link
US (1) US4696408A (en)
EP (1) EP0210138B1 (en)
JP (2) JPS6278064A (en)
AT (1) ATE62639T1 (en)
AU (1) AU593266B2 (en)
CA (1) CA1266624A (en)
CH (1) CH667059A5 (en)
DE (1) DE3678762D1 (en)
DK (1) DK164037C (en)
IL (1) IL79394A0 (en)
ZA (1) ZA865288B (en)

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EP0621199A1 (en) * 1993-04-22 1994-10-26 Colgate-Palmolive Company Closure with tamper evidence structure
WO1994027881A1 (en) * 1993-05-21 1994-12-08 Universal Container Corporation Dropper dispenser
FR2707958A1 (en) * 1993-07-21 1995-01-27 Kerplas Snc Dispensing cap made of plastic material for bottle, tube or similar, provided with a tamper evident device
FR2715381A1 (en) * 1994-01-26 1995-07-28 Kerplas Snc Container with security cap
EP0649380B2 (en) † 1993-05-06 2000-01-26 Taplast S.P.A. Plastic cap for dispensing liquids
DE4407468B4 (en) * 1994-03-05 2005-07-21 Röhm GmbH & Co. KG Process for the extrusion of plastic sheets
ITRE20110089A1 (en) * 2011-10-24 2013-04-25 Pibiplast S P A SAFETY CLOSURE
CH713025A1 (en) * 2016-10-12 2018-04-13 Fostag Formenbau Ag Plastic closure with an integrity guarantee element.

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JPH0621885Y2 (en) * 1988-05-11 1994-06-08 株式会社吉野工業所 Containers with lid plates that are elastically inverted
JPH0621886Y2 (en) * 1988-05-30 1994-06-08 株式会社吉野工業所 Containers with lid plates that are elastically inverted
JPH082125Y2 (en) * 1988-09-05 1996-01-24 株式会社吉野工業所 Containers with lid plates that are elastically inverted
FR2649678B1 (en) * 1989-07-12 1991-09-27 Bouchons Plastiques STOPPER WITH TEARABLE GUARANTEE STRIP
DE8911643U1 (en) * 1989-09-29 1991-02-07 Zeller Plastik GmbH, 5583 Zell Plastic closure for container and bottle mouths
US5246145A (en) * 1990-05-03 1993-09-21 Nalge Company Liquid dropper spout having lockable pivoted closure cap
US5328058A (en) * 1990-05-03 1994-07-12 Nalge Company Dropper bottle assembly with squeeze cap
CH680782A5 (en) * 1990-06-08 1992-11-13 Createchnic Ag
CH683174A5 (en) * 1991-02-12 1994-01-31 Createchnic Ag Plastic closure with tamper-evident element.
CH683417A5 (en) * 1991-06-21 1994-03-15 Createchnic Ag Snap hinge closure with tamper-evident band.
CH683611A5 (en) * 1991-09-10 1994-04-15 Zeller Plastik Koehn Graebner Methods and tools for producing a closure for containers as well as by the process produced closure.
CH686300A5 (en) * 1992-08-06 1996-02-29 Createchnic Ag Plastic closure with tamper-evident element.
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DE20207423U1 (en) * 2002-05-10 2002-08-29 Seaquist-Löffler Kunststoffwerk GmbH, 94078 Freyung Hinged lid closure with tamper-evident device for containers containing flowable goods
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Cited By (11)

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Publication number Priority date Publication date Assignee Title
EP0621199A1 (en) * 1993-04-22 1994-10-26 Colgate-Palmolive Company Closure with tamper evidence structure
EP0649380B2 (en) † 1993-05-06 2000-01-26 Taplast S.P.A. Plastic cap for dispensing liquids
WO1994027881A1 (en) * 1993-05-21 1994-12-08 Universal Container Corporation Dropper dispenser
FR2707958A1 (en) * 1993-07-21 1995-01-27 Kerplas Snc Dispensing cap made of plastic material for bottle, tube or similar, provided with a tamper evident device
FR2715381A1 (en) * 1994-01-26 1995-07-28 Kerplas Snc Container with security cap
DE4407468B4 (en) * 1994-03-05 2005-07-21 Röhm GmbH & Co. KG Process for the extrusion of plastic sheets
ITRE20110089A1 (en) * 2011-10-24 2013-04-25 Pibiplast S P A SAFETY CLOSURE
EP2586722A1 (en) * 2011-10-24 2013-05-01 Pibiplast S.P.A. Safety closure
CH713025A1 (en) * 2016-10-12 2018-04-13 Fostag Formenbau Ag Plastic closure with an integrity guarantee element.
WO2018069153A1 (en) 2016-10-12 2018-04-19 Fostag Formenbau Ag Plastic closure having an integrity guarantee element
US11292641B2 (en) 2016-10-12 2022-04-05 Mühlemann Ip Gmbh Plastic closure for a container having an integrity guarantee element

Also Published As

Publication number Publication date
JPH0744508U (en) 1995-11-21
EP0210138B1 (en) 1991-04-17
IL79394A0 (en) 1986-10-31
ATE62639T1 (en) 1991-05-15
AU6042386A (en) 1987-01-29
DK164037B (en) 1992-05-04
DE3678762D1 (en) 1991-05-23
AU593266B2 (en) 1990-02-08
DK317186D0 (en) 1986-07-03
DK317186A (en) 1987-01-24
EP0210138A3 (en) 1988-08-03
DK164037C (en) 1992-09-28
JP2543571Y2 (en) 1997-08-06
CA1266624A (en) 1990-03-13
CH667059A5 (en) 1988-09-15
JPS6278064A (en) 1987-04-10
US4696408A (en) 1987-09-29
ZA865288B (en) 1987-03-25

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