EP0931001B1 - Screw-type cap with safety and guarantee band - Google Patents

Screw-type cap with safety and guarantee band Download PDF

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Publication number
EP0931001B1
EP0931001B1 EP97941777A EP97941777A EP0931001B1 EP 0931001 B1 EP0931001 B1 EP 0931001B1 EP 97941777 A EP97941777 A EP 97941777A EP 97941777 A EP97941777 A EP 97941777A EP 0931001 B1 EP0931001 B1 EP 0931001B1
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EP
European Patent Office
Prior art keywords
retaining
safety
screw
type cap
cams
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP97941777A
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German (de)
French (fr)
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EP0931001A1 (en
Inventor
Romeo Corvaglia
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Corvaglia Product Development
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Corvaglia Product Development
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Publication of EP0931001A1 publication Critical patent/EP0931001A1/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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal
    • 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
    • B65D2401/35—Vertical or axial lines of weakness

Definitions

  • the invention relates to a screw cap with a security and guarantee tape for bottles.
  • the security tapes consist of a section in the shape of a cylinder jacket, which is connected to the lower edge of the jacket of the screw closure by connecting webs.
  • the bands can have weakening areas on their circumference, which tear when they are opened for the first time.
  • the band sections remain connected with the screw cap. But they can also be made in one piece and remain after the first opening below a retaining rib, which is located axially below the thread on the bottle neck.
  • circumferential cams are formed either on the lower edge of the same or on the inner surface thereof and in the clear cross section projecting plurality of circumferential locking cams (US-A-4,846,361). These retention cams slide over the retention rib when the bottle is being screwed on and engage under it. When the screw cap is opened, the safety strap is held back by the retaining cams, which have a retaining surface at the top, and the connecting webs between the screw cap and the safety strap break.
  • the object of the present invention was to create a safety band which can be applied to the bottle without problems on the bottler on high-performance filling machines and which, when the bottle is opened by the consumer, is properly separated from the screw cap and remains below the retaining rib on the neck of the bottle or at Reusable bottles tear and remain connected with the screw cap.
  • the axially staggered retention cams cause when uncovering significantly lower spreading forces on the security band and prevent its premature destruction.
  • Two retaining cams arranged in pairs and axially offset from each other also slide over one after the other when screwing on the screw cap the retention rib, making the safety strap, because of the oval Deformation is hardly stretched and a low axial contact pressure is necessary to allow the retaining rib to be skipped.
  • the two on top are initially Retaining cams are held back by the retention rib and they just kick there tensile forces on the connecting webs, preferably laterally the retention cams are formed and tear them through.
  • the next Retaining cams on the retaining rib and tear the neighboring ones Connecting bridges through The security band will be inclined thereby avoided, and it remains, if formed in one piece, always below the retaining rib on the bottle neck.
  • reference numeral 1 is a closure unit consisting of a screw cap 2 and a security band 3 shown schematically.
  • the closure unit 1 consists of thermoplastic and is made by injection molding.
  • the Screw cap 2 comprises a bottom 4, on which a concentric to Symmetry axis A extending sealing rib 5 can be attached.
  • On the bottom 4 is connected to a jacket 6, which is on its inside preferably divided into sections 7 threads.
  • the Formation of the screw cap 2 is generally known and is here not explained in more detail.
  • the security and guarantee tape 3 is through very thin webs 9, a few tenths of a millimeter thick, with the lower edge 8 of the jacket 6 of the screw cap 2 connected.
  • the length of the Connecting webs 9 and the distance between the upper edge 10 of the Security band is very small and is in the order of magnitude a few tenths of a millimeter.
  • the retention cams 12a and 12b and the retention cams 13a and 13b face each other diagonally, are offset by approximately 90 ° and axial, i.e. with respect to the axial extent of the security band 3 in order offset an amount a from each other.
  • the retention cams 12a and 12b are consequently closer to the lower edge 14 of the Security tape 3 as the retention cams 13a and 13b.
  • the distance a is preferably less than the height b of a circumferential retaining rib 15 on the neck 16 one e.g. Bottle made of PET 17.
  • Threaded sections 18 visible, which correspond to the corresponding Threaded sections 7 on the inside of the jacket 6 of the Screw cap 2 are intended to come into engagement.
  • the connecting webs 9 are, viewed in the circumferential direction, between the retention cam 12a, 12b; 13a, 13b.
  • the webs 9 could also film-like connections the screw cap 2 and that Hold security band 3 together.
  • the security band 3 of the first exemplary embodiment is explained below with reference to FIG. 3.
  • the closure unit 1 When the bottle 17 is closed with the closure unit 1, the latter is placed axially from above onto the bottle neck 16 and, viewed from above, rotated clockwise. Initially, the threaded sections 7 on the screw cap 2 come into engagement with the threaded sections 18 on the bottle neck 16. After approximately one revolution through 360 °, the bevelled lower edges 19 of the retaining cams 12a and 12b come into contact with the inclined upper edge of the retaining rib 15 on the bottle neck 16.
  • the security band 3 takes on an oval shape and stretches only very little and at most within the elastic limit.
  • the two retaining cams 12a and 12b are pulled radially inwards again, because at this moment the two axially offset retaining cams 13a and 13b now also come into contact with the retaining rib 15 and, analogously to the other two ribs, are pushed radially outwards.
  • the cross section of the security band 3 in turn becomes oval.
  • the two retaining cams 13a and 13b also slide over the retaining rib 15 and are then, like the two retaining cams 12a and 12b, in the cylindrical region 20 of the bottle neck 16.
  • the thin connecting webs 9 only become very little mechanically stressed because the axial pressure causes the safety band 3 with its upper edge 10 to rest against the lower edge 8 of the jacket and the connecting webs 9 are only compressed.
  • the rest of the circumference of the Security tape 3 is through the thin connecting webs 9 on the Bottom edge 10 attached tearable.
  • a predetermined breaking point 22 in shape an incision, a line of weakness or a film Reducing the wall thickness enables the Security tape 3 when opening the screw cap 2.
  • a first Retaining cam 12a is adjacent to the predetermined breaking point 22 below the Tying area X. Is preferably directly opposite the tying area X. a single or a pair of closely spaced retention cams 12b trained. Two more are offset by 90 ° Retention cams 13a, 13b.
  • the retention cams 13a and 13a and 13b are located axially further away from the lower edge 14 of the security band 3 and therefore come into contact with the retaining rib 15 earlier when opening than the retention cams 12a, 12b.
  • the webs 9 laterally Retaining cams 13a and 13b and the predetermined breaking point 22 are therefore torn from the rest.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Road Repair (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Road Paving Machines (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Catching Or Destruction (AREA)
  • Package Frames And Binding Bands (AREA)
  • Bag Frames (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Adornments (AREA)
  • Clamps And Clips (AREA)

Abstract

A safety band (3) of a sealing unit (1) has two retaining noses (12a, 12b; 13a, 13b) arranged in diagonally facing pairs. The retaining noses (12a, 12b; 13a, 13b) standing out on the clear opening of the safety band (3) are axially displaced. When the bottle (17) is closed, the pair of retaining noses (12a, 12b) is first split and then glides on the retaining rib (15). After that the retaining noses (13a, 13b) that are displaced 90 DEG are split and also glide beneath the retaining rib (15). When the bottle is opened the retaining noses (13a, 13b) are first retained on the retaining rib (15) and the connecting webs (9) to the screw-type cap (2) are broken. Afterwards, the remaining webs (9) are also broken once the axially offset retaining noses (12a, 12b) are obstructed by the retaining rib (15).

Description

Die Erfindung betrifft einen Schraubverschluss mit einem Sicherheits- und Garantieband für Flaschen.The invention relates to a screw cap with a security and guarantee tape for bottles.

Sicherheits- und Garantiebänder sind heute an den meisten Schraubverschlüssen ausgebildet, um das erste Öffnen der Flasche anzuzeigen und um zu verhindern, dass durch Unbefugte, der Inhalt der Flasche kontaminiert werden kann. Die Sicherheitsbänder bestehen aus einem zylindermantelförmigen Abschnitt, der durch Verbindungsstege mit der Unterkante des Mantels des Schraubverschlusses verbunden ist. Die Bänder können an ihrem Umfang Schwächungsbereiche aufweisen, welche beim erstmaligen Öffnen reissen. Die Bandabschnitte bleiben mit dem Schraubverschluss verbunden. Sie können aber auch einstückig hergestellt sein und verbleiben nach dem erstmaligen Öffnen unterhalb einer Rückhalterippe, die sich axial unterhalb des Gewindes am Flaschenhals befindet. Bei den herkömmlichen Sicherheits- und Garantiebändern sind entweder an der Unterkante derselben oder an deren Innenfläche über den Umfang verteilt und in den lichten Querschnitt ragende Vielzahl, über den Umfang verteilt angeordnete Flückhaltenocken ausgebildet (US-A-4,846,361). Diese Rückhaltenocken gleiten beim Aufschrauben des Deckels beim Abfüller der Flasche über die Rückhalterippe und rasten unter derselben ein. Beim Öffnen des Schraubverschlusses wird das Sicherheitsband von den Rückhaltenocken, die oben eine Rückhaltefläche aufweisen, zurückgehalten und die Verbindungsstege zwischen dem Schraubverschluss und dem Sicherheitsband brechen. Beim Aufschrauben oder Aufdeckeln des Schraubverschlusses beim Abfüller der Flasche können durch den Widerstand von jeweils gleichzeitig vier Rückhaltenocken, der beim Passieren der Nocken über die Rückhalterippe auftritt, durch die grosse Spreizung Probleme entstehen, und das Sicherheitsband kann, wenn es schräg gestellt wird, zwischen den Flaschenhals und den Mantel des Schraubverschlusses gedrückt und verklemmt werden. Das Sicherheitsband oder die Verbindungsstege zum Verschluss können bereits beim Schliessvorgang reissen. Das Sicherheitsband verliert dabei seinen Zweck. Bei Hochleistungsabfüllanlagen kann ein Defekt der genannten Art zum Stillstand der gesamten Anlage führen.
Aber auch beim Öffnen der Schraubdeckel reissen die bekannten Sicherheitsbänder häufig nur einseitig oder werden teilweise über die Rückhalterippe hinausgezogen. Beim Wiederverschliessen verklemmt sich das Sicherheitsband zwischen Flaschenhals und dem Mantel des Schraubverschlusses, so dass ein dichter Wiederverschluss nicht möglich ist, wenn nicht zuvor das Sicherheitsband von Hand entfernt oder zurückgeschoben wird.
Die im Internationalen Recherchenbericht genannte FR-A-2 682 357 weist zwei aneinandergrenzende Gruppen von Rückhaltenocken verschiedener Höhe auf, wodurch die zu vermeidende Schrägstellung des Sicherheitsbandes geradezu gefördert wird.
Der hier vorliegenden Erfindung lag die Aufgabe zugrunde, ein Sicherheitsband zu schaffen, das beim Abfüller auf Hochleistungsabfüllmaschinen störungsfrei auf die Flasche aufgebracht werden kann und das beim Öffnen der Flasche durch den Konsumenten sich einwandfrei vom Schraubverschluss trennt und unterhalb der Rückhalterippe auf dem Flaschenhals zurückbleibt oder bei Mehrwegflaschen reisst und mit dem Schraubverschluss verbunden bleibt. Safety and guarantee tapes are formed on most screw caps today to indicate the first opening of the bottle and to prevent the contents of the bottle from being contaminated by unauthorized persons. The security tapes consist of a section in the shape of a cylinder jacket, which is connected to the lower edge of the jacket of the screw closure by connecting webs. The bands can have weakening areas on their circumference, which tear when they are opened for the first time. The band sections remain connected with the screw cap. But they can also be made in one piece and remain after the first opening below a retaining rib, which is located axially below the thread on the bottle neck. In the case of the conventional security and guarantee tapes, circumferential cams are formed either on the lower edge of the same or on the inner surface thereof and in the clear cross section projecting plurality of circumferential locking cams (US-A-4,846,361). These retention cams slide over the retention rib when the bottle is being screwed on and engage under it. When the screw cap is opened, the safety strap is held back by the retaining cams, which have a retaining surface at the top, and the connecting webs between the screw cap and the safety strap break. When unscrewing or opening the screw cap on the bottler of the bottle, the resistance of four retaining cams at the same time, which occurs when the cams pass over the retaining rib, can cause problems due to the large spread, and the security band can, if it is tilted, between the Bottle neck and the jacket of the screw cap are pressed and jammed. The safety band or the connecting bars for the closure can tear during the closing process. The security band loses its purpose. In high-performance filling systems, a defect of the type mentioned can lead to the entire system coming to a standstill.
But even when the screw cap is opened, the known security tapes often tear only on one side or are partially pulled out over the retaining rib. When reclosing, the safety band is jammed between the bottle neck and the jacket of the screw cap, so that a tight reclosure is not possible unless the safety band is first removed or pushed back by hand.
The FR-A-2 682 357 mentioned in the international search report has two adjoining groups of retaining cams of different heights, which virtually promotes the inclination of the safety band to be avoided.
The object of the present invention was to create a safety band which can be applied to the bottle without problems on the bottler on high-performance filling machines and which, when the bottle is opened by the consumer, is properly separated from the screw cap and remains below the retaining rib on the neck of the bottle or at Reusable bottles tear and remain connected with the screw cap.

Gelöst wird diese Aufgabe durch ein Sicherheits- und Garantieband gemäss den Merkmalen des Patentanspruches 1.This task is solved by a security and guarantee tape according to the features of claim 1.

Die axial versetzt angeordneten Rückhaltenocken bewirken beim Aufdeckeln wesentlich geringere Spreizkräfte auf das Sicherheitsband und verhindern dessen vorzeitige Zerstörung.The axially staggered retention cams cause when uncovering significantly lower spreading forces on the security band and prevent its premature destruction.

Zwei paarweise und axial versetzt zueinander angeordnete Rückhaltenocken gleiten beim Aufschrauben des Schraubdeckels ebenfalls nacheinander über die Rückhalterippe, wodurch das Sicherheitsband, wegen der ovalen Verformung kaum gedehnt wird und eine geringe axiale Anpresskraft notwendig ist, um das Überspringen der Rückhalterippe zu ermöglichen. Beim Öffnen der Flasche werden vorerst die beiden obenliegenden Haltenocken von der Rückhalterippe zurückgehalten, und es treten nur dort Zugkräfte auf die Verbindungsstege auf, die vorzugsweise seitlich der Rückhaltenocken ausgebildet sind und reissen diese durch. Sobald die ersten Verbindungsstege gerissen sind gelangen die nächsten Rückhaltenocken an die Rückhalterippe und reissen die benachbarten Verbindungsstege durch. Eine Schrägstellung des Sicherheitsbandes wird dadurch vermieden, und es bleibt, falls einteilig ausgebildet, stets unterhalb der Rückhalterippe auf dem Flaschenhals zurück. Ein Sicherheitsband mit Sollbruchstelle und Anbindung an den Schraubverschluss bleibt an letzterem hängen.Two retaining cams arranged in pairs and axially offset from each other also slide over one after the other when screwing on the screw cap the retention rib, making the safety strap, because of the oval Deformation is hardly stretched and a low axial contact pressure is necessary to allow the retaining rib to be skipped. When opening the bottle, the two on top are initially Retaining cams are held back by the retention rib and they just kick there tensile forces on the connecting webs, preferably laterally the retention cams are formed and tear them through. As soon as the first connecting webs are torn, the next Retaining cams on the retaining rib and tear the neighboring ones Connecting bridges through. The security band will be inclined thereby avoided, and it remains, if formed in one piece, always below the retaining rib on the bottle neck. On Security band with predetermined breaking point and connection to the Screw cap sticks to the latter.

Die Erfindung wird im folgenden anhand eines Ausführungsbeispieles erläutert. Es zeigen

Figur 1
einen axialen Querschnitt durch einen Schraubverschluss mit Sicherheits- und Garantieband sowie darunter den Hals einer PET-Flasche,
Figur 2
einen Querschnitt längs Linie II-II zwischen der Unterkante des Mantels des Schraubverschlusses und der Oberkante des Sicherheitsbandes,
Figur 3
einen Querschnitt längs Linie II-II durch das Sicherheitsband in Figur 1 während des Aufschraubens des Deckel,
Figur 4
eine perspektivische Darstellung der Verschlusseinheit nach Fig. 1-3,
Figur 5
einen Querschnitt längs Linie lll-lll zwischen der Unterkante des Mantels des Schraubverschlusses und der Oberkante des Sicherheitsbandes in Figur 6,
Figur 6
eine perspektivische Darstellung einer weiteren Ausgestaltung der Erfindung mit einem angebundenen Sicherheitsband.
The invention is explained below using an exemplary embodiment. Show it
Figure 1
an axial cross section through a screw cap with security and guarantee band and underneath the neck of a PET bottle,
Figure 2
a cross section along line II-II between the lower edge of the jacket of the screw cap and the upper edge of the security band,
Figure 3
2 shows a cross section along line II-II through the security band in FIG. 1 while the cover is being screwed on,
Figure 4
1 shows a perspective illustration of the closure unit according to FIGS. 1-3,
Figure 5
6 shows a cross section along line III-III between the lower edge of the jacket of the screw closure and the upper edge of the security band in FIG. 6,
Figure 6
a perspective view of another embodiment of the invention with a tied security band.

In den Figuren 1 und 2 ist mit Bezugszeichen 1 eine Verschlusseinheit bestehend aus einem Schraubverschluss 2 und einem Sicherheitsband 3 schematisch dargestellt. Die Verschlusseinheit 1 besteht aus thermoplastischem Kunststoff und wird durch Spritzen hergestellt. Der Schraubverschluss 2 umfasst einen Boden 4, an dem eine konzentrisch zur Symmetrie-Achse A verlaufende Dichtungsrippe 5 angebracht sein kann. An den Boden 4 schliesst ein Mantel 6 an, der auf seiner Innenseite vorzugsweise in Abschnitte aufgeteilte Gewindegänge 7 trägt. Die Ausbildung des Schraubverschlusses 2 ist allgemein bekannt und wird hier nicht näher erläutert. Das Sicherheits- und Garantieband 3 ist durch sehr dünne, wenige Zehntelsmillimeter dicke Stege 9 mit der Unterkante 8 des Mantels 6 des Schraubverschlusses 2 verbunden. Die Länge der Verbindungsstege 9 bzw. der Abstand zwischen der Oberkante 10 des Sicherheitsbandes ist sehr gering und liegt in der Grössenordnung von einigen Zehntelsmillimetern.In Figures 1 and 2, reference numeral 1 is a closure unit consisting of a screw cap 2 and a security band 3 shown schematically. The closure unit 1 consists of thermoplastic and is made by injection molding. The Screw cap 2 comprises a bottom 4, on which a concentric to Symmetry axis A extending sealing rib 5 can be attached. On the bottom 4 is connected to a jacket 6, which is on its inside preferably divided into sections 7 threads. The Formation of the screw cap 2 is generally known and is here not explained in more detail. The security and guarantee tape 3 is through very thin webs 9, a few tenths of a millimeter thick, with the lower edge 8 of the jacket 6 of the screw cap 2 connected. The length of the Connecting webs 9 and the distance between the upper edge 10 of the Security band is very small and is in the order of magnitude a few tenths of a millimeter.

Auf der inneren Mantelfläche 11 des Sicherheitsbandes 3 sind im dargestellten Beispiel zwei Rückhaltenockenpaare 12a, 12b; 13a, 13b ausgebildet. Die Rückhaltenocken 12a und 12b sowie die Rückhaltenocken 13a und 13b liegen sich diagonal gegenüber, sind um ca. 90° versetzt und axial, d.h. bezüglich der axialen Ausdehnung des Sicherheitsbandes 3, um einen Betrag a gegeneinander versetzt. Die Rückhaltenocken 12a und 12b liegen folglich um den Betrag a näher an der Unterkante 14 des Sicherheitsbandes 3 als die Rückhaltenocken 13a und 13b. Der Abstand a ist vorzugsweise kleiner als die Höhe b einer umlaufenden Rückhalterippe 15 am Hals 16 einer z.B. Aus PET hergestellten Flasche 17. Auf dem Hals 16 der Flasche 17 sind vom Flaschenhals 16 nach aussen ragende Gewindeabschnitte 18 sichtbar, welche mit den entsprechenden Gewindeabschnitten 7 auf der Innenseite des Mantels 6 des Schraubverschlusses 2 in Eingriff zu gelangen bestimmt sind.On the inner lateral surface 11 of the security band 3 are in example shown two pairs of retaining cams 12a, 12b; 13a, 13b educated. The retention cams 12a and 12b and the retention cams 13a and 13b face each other diagonally, are offset by approximately 90 ° and axial, i.e. with respect to the axial extent of the security band 3 in order offset an amount a from each other. The retention cams 12a and 12b are consequently closer to the lower edge 14 of the Security tape 3 as the retention cams 13a and 13b. The distance a is preferably less than the height b of a circumferential retaining rib 15 on the neck 16 one e.g. Bottle made of PET 17. On the neck 16 of the bottle 17 protrude outward from the bottle neck 16 Threaded sections 18 visible, which correspond to the corresponding Threaded sections 7 on the inside of the jacket 6 of the Screw cap 2 are intended to come into engagement.

Die Verbindungsstege 9 liegen, in Umfangsrichtung betrachtet, zwischen dem Rückhaltenocken 12a, 12b; 13a, 13b. Alternativ zu den Stegen 9 könnten auch filmartige Verbindungen den Schraubverschluss 2 und das Sicherheitsband 3 zusammenhalten.The connecting webs 9 are, viewed in the circumferential direction, between the retention cam 12a, 12b; 13a, 13b. As an alternative to the webs 9 could also film-like connections the screw cap 2 and that Hold security band 3 together.

Die Funktionsweise des Sicherheitsbandes 3 des ersten Ausführungsbeispieles wird nachfolgend anhand der Figur 3 erklärt. Beim Verschliessen der Flasche 17 mit der Verschlusseinheit 1 wird letztere von oben axial auf den Flaschenhals 16 aufgesetzt und, von oben gesehen, im Uhrzeigersinn gedreht. Dabei gelangen vorerst die Gewindeabschnitte 7 am Schraubverschluss 2 in Eingriff mit den Gewindeabschnitten 18 am Flaschenhals 16. Nach ca. einer Umdrehung um 360° gelangen die angeschrägten Unterkanten 19 der Rückhaltenocken 12a und 12b in Kontakt mit der geneigten Oberkante der Rückhalterippe 15 am Flaschenhals 16. Beim Weiterdrehen und dadurch axialen Vorschub der Verschlusseinheit 1 werden die beiden Rückhaltenocken 12a und 12b radial nach aussen gedrückt und gleichzeitig die beiden um ca. 90° versetzten Rückhaltenocken 13a und 13b nach innen gezogen. Das Sicherheitsband 3 nimmt dabei eine ovale Gestalt an und dehnt sich nur äusserst wenig und höchstens innerhalb der Elastizitätsgrenze. Sobald die beiden Scheitel S1 auf den Rückhaltenocken 12a und 12b sowie der Scheitel S2 auf der Rückhalterippe 15 übereinander hinweggegleitet sind, werden die beiden Rückhaltenocken 12a und 12b radial wieder nach innen gezogen, weil zu diesem Moment die beiden axial versetzt angeordneten Rückhaltenocken 13a und 13b nun auch in Kontakt mit der Rückhalterippe 15 gelangen und analog den beiden anderen Rippen radial nach aussen gedrängt werden. Dabei wird der Querschnitt des Sicherheitsbandes 3 wiederum oval. Schon nach kurzer Zeit gleiten auch die beiden Rückhaltenocken 13a und 13b über die Rückhalterippe 15 hinweg und befinden sich danach, wie auch die beiden Rückhaltenocken 12a und 12b, im zylindrischen Bereich 20 des Flaschenhalses 16. Beim Schliessen der Flasche 16 werden die dünnen Verbindungsstege 9 nur sehr wenig mechanisch beansprucht, weil durch den axialen Druck das Sicherheitsband 3 mit seiner Oberkante 10 an der Unterkante 8 des Mantels anliegt und die Verbindungsstege 9 dabei nur gestaucht werden.The functioning of the security band 3 of the first exemplary embodiment is explained below with reference to FIG. 3. When the bottle 17 is closed with the closure unit 1, the latter is placed axially from above onto the bottle neck 16 and, viewed from above, rotated clockwise. Initially, the threaded sections 7 on the screw cap 2 come into engagement with the threaded sections 18 on the bottle neck 16. After approximately one revolution through 360 °, the bevelled lower edges 19 of the retaining cams 12a and 12b come into contact with the inclined upper edge of the retaining rib 15 on the bottle neck 16. When the locking unit 1 is rotated further and thereby axially advanced, the two retaining cams 12a and 12b are pressed radially outwards and at the same time the two retaining cams 13a and 13b, which are offset by approximately 90 °, are pulled inwards. The security band 3 takes on an oval shape and stretches only very little and at most within the elastic limit. As soon as the two vertices S 1 on the retaining cams 12a and 12b and the apex S 2 on the retaining rib 15 have slid over one another, the two retaining cams 12a and 12b are pulled radially inwards again, because at this moment the two axially offset retaining cams 13a and 13b now also come into contact with the retaining rib 15 and, analogously to the other two ribs, are pushed radially outwards. The cross section of the security band 3 in turn becomes oval. After a short time, the two retaining cams 13a and 13b also slide over the retaining rib 15 and are then, like the two retaining cams 12a and 12b, in the cylindrical region 20 of the bottle neck 16. When the bottle 16 is closed, the thin connecting webs 9 only become very little mechanically stressed because the axial pressure causes the safety band 3 with its upper edge 10 to rest against the lower edge 8 of the jacket and the connecting webs 9 are only compressed.

Beim Öffnen des Schraubverschlusses gelangen vorerst die beiden einander diagonal gegenüberliegenden Rückhaltenocken 13a und 13b in Kontakt mit der Rückhalterippe 15 am Flaschenhals 16. Da aber weder an den Rückhaltenocken 13a und 13b noch an der Rückhalterippe 15 geneigte Flächen aufeinandertreffen und ein Auseinanderschieben der beiden Teile wie beim Aufschrauben bzw. Verschliessen ermöglichen, sondern die Rückhalterippe 15 die Rückhaltenocken 13a und 13b nicht passieren lässt, werden letztere zurückgehalten und die seitlich der Rückhaltenocken 13a und 13b liegenden Verbindungsstege 9 entzweigerissen. Beim Weiterdrehen, beispielsweise um eine Viertels- oder Halbdrehung, gelangen dann auch die Rückhaltenocken 12a und 12b in Anlage an die Rückhalterippe 15. Wegen den bereits gerissenen Stegen 9 wird das Sicherheitsband 3 wieder oval verformt und zieht dabei die nun in Eingriff gelangenden Rückhaltenocken 12a, 12b unter die Rückhalterippe 15. Dabei werden die restlichen Verbindungsstege 9 gerissen. Das Sicherheitsband 3 verbleibt nun im Bereich 20 unterhalb der Rückhalterippe 15. Ohne das nun abgerissene Sicherheitsband 3 kann der Schraubverschluss 2 zum Wiederverschliessen der Flasche 17 auf deren Hals 16 aufgeschraubt werden.When the screw cap is opened, the two come together for the time being diagonally opposite retention cams 13a and 13b in contact with the retaining rib 15 on the bottle neck 16. But since neither Retaining cams 13a and 13b still inclined on the retaining rib 15 The surfaces meet and the two parts are pushed apart like when screwing or closing, but the Retaining rib 15 does not allow the retention cams 13a and 13b to pass, the latter are retained and the side of the retaining cams 13a and 13b lying connecting webs 9 torn in two. When turning on, for example, a quarter or a half turn, then also get the retention cams 12a and 12b abut against the retention rib 15. Because of the already torn webs 9, the security band 3 is again deformed oval and thereby pulls those now engaged Retaining cams 12a, 12b under the retaining rib 15. The remaining connecting webs 9 torn. The security band 3 remains now in area 20 below the retaining rib 15. Without that now torn security band 3, the screw cap 2 for Reclosure the bottle 17 screwed onto the neck 16 become.

Bei der Ausgestaltung der Erfindung nach den Figuren 5 und 6 ist das Sicherheitsband 3 im Bereich (X) unlösbar mit dem Mantel 6 des Schraubverschlusses 2 verbunden. Der übrige Umfangsbereich des Sicherheitsbandes 3 ist durch die dünnen Verbindungsstege 9 an der Unterkante 10 reissbar befestigt. Eine Sollbruchstelle 22 in Gestalt eines Einschnittes, einer Schwächungslinie oder einer filmartigen Verkleinerung der Wandstärke ermöglicht das Reissen des Sicherheitsbandes 3 beim Öffnen des Schraubverschlusses 2. Ein erster Rückhaltenocken 12a liegt benachbart der Sollbruchstelle 22 unter dem Anbindebereich X. Vorzugsweise direkt gegenüber dem Anbindebereich X ist ein einzelner oder ein Paar eng beieinander liegender Rückhaltenocken 12b ausgebildet. Um 90° versetzt dazu liegen zwei weitere Rückhaltenocken 13a,13b. Die Rückhaltenocken 13a bzw. 13a und 13b liegen axial weiter entfernt vom unteren Rand 14 des Sicherheitsbandes 3 und gelangen deshalb beim Öffnen früher in Anlage mit der Rückhalterippe 15 als die Rückhaltenocken 12a,12b. Die Stege 9 seitlich der Rückhaltenocken 13a und 13b sowie die Sollbruchstelle 22 werden deshalb vor den übrigen gerissen.In the embodiment of the invention according to FIGS. 5 and 6, this is Security tape 3 in the area (X) cannot be detached from the jacket 6 of the Screw cap 2 connected. The rest of the circumference of the Security tape 3 is through the thin connecting webs 9 on the Bottom edge 10 attached tearable. A predetermined breaking point 22 in shape an incision, a line of weakness or a film Reducing the wall thickness enables the Security tape 3 when opening the screw cap 2. A first Retaining cam 12a is adjacent to the predetermined breaking point 22 below the Tying area X. Is preferably directly opposite the tying area X. a single or a pair of closely spaced retention cams 12b trained. Two more are offset by 90 ° Retention cams 13a, 13b. The retention cams 13a and 13a and 13b are located axially further away from the lower edge 14 of the security band 3 and therefore come into contact with the retaining rib 15 earlier when opening than the retention cams 12a, 12b. The webs 9 laterally Retaining cams 13a and 13b and the predetermined breaking point 22 are therefore torn from the rest.

Claims (7)

  1. Screw-type cap (2) having a safety and guarantee band (3) for bottles, wherein the annular safety band is connected to the skirt of the screw-type cap by webs (9) and carries, on its inner face, retaining cams that project into the clear opening, characterised in that, on the safety band (3), a first pair of retaining cams (13a, 13b) are arranged diagonally opposite one another and at least one further retaining cam (12a) is arranged offset by approximately 90° and displaced axially by an amount (a).
  2. Screw-type cap having a safety and guarantee band according to claim 1, characterised in that at least two pairs of retaining cams (12a, 12b; 13a, 13b) that lie diagonally opposite one another and that are axially displaced relative to one another are arranged on the safety band (3).
  3. Screw-type cap having a safety and guarantee band according to either claim 1 or claim 2, characterised in that the axial displacement (a) of the retaining cams (12a, 12b; 13a, 13b) is smaller than the height (b) of a retaining rib (15) on the neck (16) of the bottle (17).
  4. Screw-type cap having a safety and guarantee band according to any one of claims 1 to 3, characterised in that the webs (9), viewed in the circumferential direction, lie between the retaining cams (12a, 12b; 13a, 13b).
  5. Screw-type cap having a safety and guarantee band according to any one of claims 1 to 4, characterised in that in each case two webs (9) lie between the retaining cams (12a, 12b; 13a, 13b).
  6. Screw-type cap having a safety and guarantee band according to any one of claims 1 to 5, characterised in that the safety band (3) has a strong, non-tearing fastening region (X) to the skirt (6) of the screw-type cap (2) and a predetermined breaking point (22).
  7. Screw-type cap having a safety and guarantee band according to claim 6, characterised in that a retaining cam (12b) is arranged diagonally opposite the fastening region (X).
EP97941777A 1996-10-09 1997-10-07 Screw-type cap with safety and guarantee band Expired - Lifetime EP0931001B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH244896 1996-10-09
CH244896 1996-10-09
PCT/CH1997/000377 WO1998015465A1 (en) 1996-10-09 1997-10-07 Screw-type cap with safety and guarantee band

Publications (2)

Publication Number Publication Date
EP0931001A1 EP0931001A1 (en) 1999-07-28
EP0931001B1 true EP0931001B1 (en) 2000-06-28

Family

ID=4234068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97941777A Expired - Lifetime EP0931001B1 (en) 1996-10-09 1997-10-07 Screw-type cap with safety and guarantee band

Country Status (18)

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EP (1) EP0931001B1 (en)
KR (1) KR20000048996A (en)
CN (1) CN1091731C (en)
AT (1) ATE194121T1 (en)
AU (1) AU721558B2 (en)
BR (1) BR9711889A (en)
CA (1) CA2267787C (en)
CZ (1) CZ291896B6 (en)
DE (2) DE59701954D1 (en)
ES (1) ES2149612T3 (en)
GR (1) GR3034456T3 (en)
HK (1) HK1021169A1 (en)
IL (1) IL129371A0 (en)
PL (1) PL191811B1 (en)
PT (1) PT931001E (en)
SK (1) SK283598B6 (en)
TR (1) TR199900805T2 (en)
WO (1) WO1998015465A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003261155A (en) * 2002-03-04 2003-09-16 Alcoa Closure Systems Japan Ltd Synthetic resin cap
DE102006027097A1 (en) * 2006-06-10 2007-12-13 Mht Mold & Hotrunner Technology Ag Container, has signet ring that protrudes over outer surface of circular cylindrical section and rotates circular cylindrical section in circumferential direction, where signet ring exhibits section with reduced extension
DE202008003820U1 (en) 2007-12-10 2008-05-29 Aiysh, Jehad Screw cap for bottles
CA2718965A1 (en) 2008-03-18 2009-09-24 Jehad Aiysh Screw closure for bottles
IT1390868B1 (en) * 2008-07-24 2011-10-19 Sacmi Coop Mecc Imola Societa' Coop MEANS OF CAPSULE
GB201409834D0 (en) 2014-06-03 2014-07-16 Obrist Closures Switzerland A closure for a container,a tamper indicating band, a combination and a method
RU2604441C2 (en) * 2014-08-07 2016-12-10 Аль Ибтикар Пекаджин энд Инвестмент Ко., Лтд. Method for safe and tight sealing with application of protective band and lock for closing bottle neck
DE102019112259B3 (en) * 2019-05-10 2020-04-09 CCT - SYS GmbH Plastic screw cap for bottles
CN111271662A (en) * 2020-03-24 2020-06-12 横店集团得邦照明股份有限公司 Beam-adjustable PAR lamp and implementation method thereof

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Publication number Priority date Publication date Assignee Title
IT1166774B (en) * 1978-05-26 1987-05-06 Plastivit Sa PLASTIC MATERIAL CAP AND TOOL FOR ITS INJECTION FORMING
DE2856433A1 (en) * 1978-12-28 1980-07-17 Kornfeld Anton Security gap for bottles - with breaking piece separating opposite-hand threads
DE3439212A1 (en) * 1984-08-17 1986-02-27 Schöttli AG, Diessenhofen Screw closure with originality safeguard made of plastic and injection mould for producing caps
US4846361A (en) * 1988-08-01 1989-07-11 Owens-Illinois Closure Inc. Tamper-indicating closure for a container and improved capping without top loading
US4923073A (en) * 1989-01-30 1990-05-08 H-C Industries, Inc. Tamper-indicating plastic closure
FR2682357A1 (en) * 1991-10-10 1993-04-16 Stiplast Sarl Tamper evidence device for a stopper made of plastic material used for packing mineral water
IT1271496B (en) * 1993-11-29 1997-05-30 Bruno Taddei SCREW CAP IN PRINTED SYNTHETIC RESIN, WITH GUARANTEE SEAL

Also Published As

Publication number Publication date
ATE194121T1 (en) 2000-07-15
AU4374697A (en) 1998-05-05
CZ291896B6 (en) 2003-06-18
HK1021169A1 (en) 2000-06-02
IL129371A0 (en) 2000-02-17
BR9711889A (en) 2000-01-18
KR20000048996A (en) 2000-07-25
CA2267787A1 (en) 1998-04-16
EP0931001A1 (en) 1999-07-28
PL332600A1 (en) 1999-09-27
GR3034456T3 (en) 2000-12-29
DE59701954D1 (en) 2000-08-03
WO1998015465A1 (en) 1998-04-16
CN1231641A (en) 1999-10-13
TR199900805T2 (en) 1999-07-21
PT931001E (en) 2000-11-30
SK44499A3 (en) 2003-07-01
CZ9901190A3 (en) 2000-11-15
SK283598B6 (en) 2003-10-07
DE19781083D2 (en) 2000-06-15
CA2267787C (en) 2007-05-15
PL191811B1 (en) 2006-07-31
AU721558B2 (en) 2000-07-06
ES2149612T3 (en) 2000-11-01
CN1091731C (en) 2002-10-02

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