EP0001959A1 - Tamperproof device for container with a neck closed by a threaded cap and process for the first opening of the container - Google Patents

Tamperproof device for container with a neck closed by a threaded cap and process for the first opening of the container Download PDF

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Publication number
EP0001959A1
EP0001959A1 EP78420011A EP78420011A EP0001959A1 EP 0001959 A1 EP0001959 A1 EP 0001959A1 EP 78420011 A EP78420011 A EP 78420011A EP 78420011 A EP78420011 A EP 78420011A EP 0001959 A1 EP0001959 A1 EP 0001959A1
Authority
EP
European Patent Office
Prior art keywords
neck
blind tube
tube
container
thread
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
EP78420011A
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German (de)
French (fr)
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EP0001959B1 (en
Inventor
François Golebiewsky
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.)
Albea Tubes France SAS
Original Assignee
Cebal SAS
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Filing date
Publication date
Application filed by Cebal SAS filed Critical Cebal SAS
Publication of EP0001959A1 publication Critical patent/EP0001959A1/en
Application granted granted Critical
Publication of EP0001959B1 publication Critical patent/EP0001959B1/en
Expired 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
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/222—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure
    • 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
    • B65D2251/0071—Lower closure of the 17-type

Definitions

  • the object of the invention is a tamper-evident device for a container, the neck of which is closed by a screw cap.
  • Flexible tubes are known, the plastic neck of which is closed by a plug incorporated in the form of a blind tube.
  • the open end of the blind tube is connected to the end of the neck by a zone of less resistance which can easily be torn off by twisting.
  • the closed end of the blind tube has an outside diameter corresponding to the inside diameter of the opening made at the end of the neck by rupture of the blind tube. It is thus possible to close the neck temporarily by turning the cap over and pushing the closed end of the blind tube.
  • Capsules are also known which are screwed on with a frangible peripheral band or flange along a line of least resistance.
  • Tamper-evident devices consisting of a thin aluminum seal glued to the opening of the neck. This cover must be torn off or fractured before withdrawing the contained product. This device has the disadvantage of poor visualization. It requires unscrewing the protective cap and carefully examining the seal to check the condition of the seal. It obliges the container manufacturer to carry out an additional operation of placing and gluing the thin seal before screwing on the cap.
  • Thin plastic lids are also known which are made in one piece with the neck also made of plastic, but it is not possible to obtain plastic lids of very precise thickness, and therefore always of sufficiently small thickness.
  • Plastics are elastic materials, not very malleable. The opening of such lids requires a tool.
  • the object of the present invention is a tamper-evident device for a container, the neck of which is closed, by a screw cap, this neck being initially closed by a blind tube in the extension of the neck.
  • the open end of this blind tube is connected to the end of the neck by a weakened area.
  • This weakened area has an outer diameter smaller than that of the blind tube.
  • the blind tube is threaded according to a thread with the same axis and the same
  • the threads of the blind tube correspond to those of the neck, so that the neck and the capsule are simultaneously screwed into a double-tapped capsule.
  • the capsule in addition to its main thread complementary to the thread of the neck, has an auxiliary thread of the same axis and not even (p) complementary to the thread of the blind tube.
  • the distance between the bottom of the capsule's auxiliary thread and the lower end of its main thread is less than the distance between the end of the blind tube and the bottom of the main thread of the neck while the depth of the auxiliary thread is less than the height of the blind tube.
  • the capsule when the capsule is screwed simultaneously onto the blind tube and the neck, it is the bottom of the auxiliary thread of the capsule which abuts, first, on the closed end of the blind tube, before the screwing of the capsule on the neck is complete.
  • the blind tube is then blocked at the bottom of the capsule. If screwing is continued, the blind tube is driven by the capsule and sinks into the
  • the weakened zone connecting the blind tube to the end of the neck breaks quickly by shearing: it suffices to continue screwing for about 1/3 of a turn.
  • the weakened zone of the blind tube is generally given a thickness of about 1/3 that of the wall of the blind tube. This weakened zone corresponds to a peripheral groove reducing the thickness of material at the connection of the blind tube with the neck.
  • the outside diameter of the weakened zone is thus less than the diameter of the tube, which allows it to penetrate slightly into the neck during the sinking-shearing operation when the cap is continued to be screwed.
  • the maximum distance between the bottom of the auxiliary thread and the bottom of the main thread of the capsule can vary depending on the elasticity and brittleness of the materials. It is generally at least half a thread pitch less than the distance between the end of the blind tube and the bottom of the main thread of the neck. This allows a screwing of at least 1/2 turn after the bottom of the capsule has come up against the end of the blind tube.
  • the depth of the auxiliary tapping of the capsule must also be at least 1/2 pitch less than the height of the blind tube so that the bottom of the auxiliary thread does not come up against the end of the neck.
  • the diameter of the blind tube is generally of the order of half the diameter of the neck.
  • Such devices are easily produced in various plastics such as P.C.V, polyethylene, polypropylene; they are particularly suitable for making flexible metal or plastic tube heads.
  • the attached drawing shows, in axial section, a flexible polyethylene tube head mounted by snap-fitting or by force on a flexible tube body (1) made of aluminum.
  • the head of the flexible tube (1) has at its upper part a threaded neck (2) of conventional shape intended to be closed by a capsule (3, screwed by means of a tapping (4).
  • the neck (2) of the head is extended by a blind tube (5) the outside of which is threaded with a thread with a diameter smaller than that of the neck (2), but similarly and whose threads are in agreement.
  • This blind tube (5) is connected to the end of the neck (2) by a weakened zone (6) of reduced diameter, this both with respect to the outside diameter (D) of the neck (2) and to the diameter (d) of the blind tube (5).
  • This reduction in diameter corresponds to a peripheral groove at the connection of the blind tube (5) with the neck (2).
  • the capsule (3) itself comprises two complementary coaxial threads each with a thread of the head.
  • the main thread (4) of the capsule allows it to be screwed onto the neck (3).
  • the auxiliary thread (7) has a diameter (d) corresponding to that of the thread of the blind tube (5); its depth (1) is less than the height (h) of the blind tube (5).
  • the diameter (D) of the main thread (4) corresponds to that of the neck thread.
  • the distance (L) between the bottom (8) of the auxiliary thread (7) and the bottom of the main thread (4) is less than the distance (H) between the end of the blind tube (5) and the bottom (9) the main thread of the neck (2).
  • the screwing is slightly forced; it can continue on the neck (2) by the thread (4) but not on the tube (5) which abuts on the bottom (8).
  • the tube (5) is driven by the helical displacement of the capsule (3), which continues to be screwed onto the neck (2).
  • the weakened zone (6) sinks slightly into the end of the neck (2) by bending and undergoing a torsional force. The weakened zone (6) breaks easily by shearing without having to continue screwing more than about 1/3 of a turn, thus creating the desired perforation at the end of the neck (2).
  • H> L that is, in practice: H - L ⁇ P 2; at the same time as h - 1.
  • the capsule (3) for d L s reasons of aesthetics or ease of stacking, comprises a skirt (10) of the same external diameter as the flexible tube (1), it is important to provide a clearance ( E) between the bottom of the skirt and the shoulder of the flexible tube.
  • E clearance between the bottom of the skirt and the shoulder of the flexible tube.
  • the head of the tube with its capsule (3), in place is mounted on the flexible tube (1).
  • the tube (1) is filled from below with consumable product.
  • the bottom of the tube (1) is sealed immediately after filling and shipped to a distributor. It is easy to see from the distributor that the tube has not been fraudulently opened by simply checking the clearance (E) between skirt (10) and tube head or the clearance (H - L) between the bottom of the main thread ( 4) of the capsule and the bottom (9) of the nrincinal thread of the neck, without even have to completely unscrew the capsule.
  • the capsule can also be completely unscrewed without in any way damaging the tamper-evident device.
  • the head of the flexible tube, with its neck (2) and its blind tube (5) are made of polypropylene as well as the capsule (3).
  • the tube (1) is made of aluminum.
  • the tube (1) could equally well be made of plastic or of a metallo-plastic complex.

Abstract

Dispositif d'inviolabilité rendant manifeste la première ouverture d'un récipient à capsule vissée. Ce dispositif est constitué par un prolongement du goulot (2) en forme de tube borgne (5). Ce tube borgne (5) est brisé au cours de la première ouverture et reste dans la capsule (3). Ce dispositif sera particulièrement utilisé dans les fabrications de tubes souples pour produits pharamceutiques ou diététiques.Tamper-evident device making manifest the first opening of a container with a screw cap. This device consists of an extension of the neck (2) in the form of a blind tube (5). This blind tube (5) is broken during the first opening and remains in the capsule (3). This device will be particularly used in the manufacture of flexible tubes for pharamceutical or dietetic products.

Description

L'objet de l'invention est un dispositif d'inviolabilité pour récipient dont le goulot est fermé par une capsule vissée.The object of the invention is a tamper-evident device for a container, the neck of which is closed by a screw cap.

On connaît divers dispositifs d'inviolabilité garantissant au consommateur que le récipient qu'il achète n'a pas été frauduleusement ouvert, que le contenu n'a pas été pollué ou même soutiré et remplacé par un produit sans valeur.Various tamper-evident devices are known guaranteeing the consumer that the container he is buying has not been fraudulently opened, that the content has not been polluted or even withdrawn and replaced by a worthless product.

On connaît des tubes souples dont le goulot en matière plastique est obturé par un bouchon incorporé en forme de tube borgne. L'extrémité ouverte du tube borgne est relié à l'extrémité du goulot par une zone de moindre résistance que l'on peut aisément arracher par torsion. L'extrémité fermée du tube borgne a un diamètre extérieur correspondant au diamètre intérieur de l'ouverture pratiquée à l'extrémité du goulot par rupture du tube borgne. On peut ainsi refermer provisoirement le goulot en retournant le bouchon et en enfonçant l'extrémité fermée du tube borgne.Flexible tubes are known, the plastic neck of which is closed by a plug incorporated in the form of a blind tube. The open end of the blind tube is connected to the end of the neck by a zone of less resistance which can easily be torn off by twisting. The closed end of the blind tube has an outside diameter corresponding to the inside diameter of the opening made at the end of the neck by rupture of the blind tube. It is thus possible to close the neck temporarily by turning the cap over and pushing the closed end of the blind tube.

Cependant, ce bouchage n'est pas pleinement satisfaisant car l'enfoncement à force de l'extrémité du tube borgne dans le goulot constitue un mode d'assemblage très rudimentaire.However, this blockage is not fully satisfactory because the forced insertion of the end of the blind tube into the neck constitutes a very rudimentary mode of assembly.

De plus, l'extrémité du bouchon a pu être pollué par des contacts incontrôlables.In addition, the end of the plug could have been polluted by uncontrollable contacts.

On connaît aussi des capsules vissées avec une bande ou collerette périphérique fracturable le long d'une ligne de moindre résistance.Capsules are also known which are screwed on with a frangible peripheral band or flange along a line of least resistance.

On connaît aussi des dispositifs d'inviolabilité consistant en un opercule mince en aluminium collé sur l'ouverture du goulot. Cet opercule doit être arraché ou fracturé avant de soutirer le produit contenu. Ce dispositif a l'inconvénient d'une mauvaise visualisation. Il oblige à dévisser la capsule de protection et à examiner attentivement l'opercule pour vérifier l'état de l'opercule. Il oblige le fabricant de récipient à effectuer une opération supplémentaire de mise en place et collage de l'opercule mince avant vissage du bouchon.Tamper-evident devices are also known, consisting of a thin aluminum seal glued to the opening of the neck. This cover must be torn off or fractured before withdrawing the contained product. This device has the disadvantage of poor visualization. It requires unscrewing the protective cap and carefully examining the seal to check the condition of the seal. It obliges the container manufacturer to carry out an additional operation of placing and gluing the thin seal before screwing on the cap.

On connaît aussi des opercules minces en matière plastique fabriqués d'une seule pièce avec le goulot également en matière plastique mais on ne peut obtenir des opercules en plastique d'épaisseur bien précise, et donc, toujours d'épaisseur suffisamment faible. Les matières plastiques sont des matériaux élastiques, peu malléables. L'ouverture de tels opercules nécessite un outil.Thin plastic lids are also known which are made in one piece with the neck also made of plastic, but it is not possible to obtain plastic lids of very precise thickness, and therefore always of sufficiently small thickness. Plastics are elastic materials, not very malleable. The opening of such lids requires a tool.

L'objet de la présente invention est un dispositif d'inviolabilité pour récipient, dont le goulot est fermé, par une capsule vissée, ce goulot étant initialement obturé par un tube borgne dans le prolongement du goulot. L'extrémité ouverte de ce tube borgne est reliée à l'extrémité du goulot par une zone affaiblie. Cette zone affaiblie a un diamètre extérieur inférieur à celui du tube borgne. Le tube borgne est fileté selon un filetage de même axe et de mêmeThe object of the present invention is a tamper-evident device for a container, the neck of which is closed, by a screw cap, this neck being initially closed by a blind tube in the extension of the neck. The open end of this blind tube is connected to the end of the neck by a weakened area. This weakened area has an outer diameter smaller than that of the blind tube. The blind tube is threaded according to a thread with the same axis and the same

pas que le filetage du goulot, les filets du tube borgne correspondant à ceux du goulot, en sorte que goulot et capsule se vissent en même temps dans une capsule à double taraudage. Pour cela, la capsule, en plus de son taraudage principal complémentaire du filetage du goulot, comporte un taraudage auxiliaire de même axe et même pas (p) complémentaire du filetage du tube borgne. La distance entre le fond du taraudage auxiliaire de la capsule et l'extrémité inférieure de son taraudage principal est inférieure à la distance entre l'extrémité du tube borgne et le bas du filetage principal du goulot tandis que la profondeur du taraudage auxiliaire est inférieure à la hauteur du tube borgne. Ainsi, lorsque l'on visse la capsule simultanément sur le tube borgne et le goulot, c'est le fond du filetage auxiliaire de la capsule qui bute, en premier, sur l'extrémité fermée du tube borgne, avant que le vissage de la capsule sur le goulot ne soit total. Le tube borgne est alors bloqué au fond de la capsule. Si l'on poursuit le vissage, le tube borgne est entraîné par la capsule et s'enfonce dans lenot just the thread of the neck, the threads of the blind tube correspond to those of the neck, so that the neck and the capsule are simultaneously screwed into a double-tapped capsule. For this, the capsule, in addition to its main thread complementary to the thread of the neck, has an auxiliary thread of the same axis and not even (p) complementary to the thread of the blind tube. The distance between the bottom of the capsule's auxiliary thread and the lower end of its main thread is less than the distance between the end of the blind tube and the bottom of the main thread of the neck while the depth of the auxiliary thread is less than the height of the blind tube. Thus, when the capsule is screwed simultaneously onto the blind tube and the neck, it is the bottom of the auxiliary thread of the capsule which abuts, first, on the closed end of the blind tube, before the screwing of the capsule on the neck is complete. The blind tube is then blocked at the bottom of the capsule. If screwing is continued, the blind tube is driven by the capsule and sinks into the

goulot avec un mouvement hélicoïdal. La zone affaiblie reliant le tube borgne à l'extrémité du goulot se rompt rapidement par cisaillement : il suffit de poursuivre le vissage pendant environ 1/3 de tour. Pour assurer une rupture aisée, on donne généralement à la zone affaiblie du tube borgne, une épaisseur d'environ 1/3 de celle de la paroi du tube borgne. Cette zone affaiblie correspond à un sillon périphérique réduisant l'épaisseur de matière au niveau du raccordement du tube borgne avec le goulot. Le diamètre extérieur de la zone affaiblin est ainsi inférieur au diamètre du tube, ce qui lui permet de pénétrer légèrement dans le goulot au cours de l'opération d'enfoncement- cisaillement lorsque l'on continue à visser la capsule.neck with a helical movement. The weakened zone connecting the blind tube to the end of the neck breaks quickly by shearing: it suffices to continue screwing for about 1/3 of a turn. To ensure easy rupture, the weakened zone of the blind tube is generally given a thickness of about 1/3 that of the wall of the blind tube. This weakened zone corresponds to a peripheral groove reducing the thickness of material at the connection of the blind tube with the neck. The outside diameter of the weakened zone is thus less than the diameter of the tube, which allows it to penetrate slightly into the neck during the sinking-shearing operation when the cap is continued to be screwed.

La distance maximale entre le fond du taraudage auxiliaire et le bas du taraudage principal de la capsule peut varier selon l'élasticité et la fragilité des matériaux. Elle est généralement inférieure d'au moins un demi-pas de filetage à la distance entre l'extrémité du tube borgne et le bas du filetage principal du goulot. Ceci permet un vissage d'au moins 1/2 tour après que le fond de la capsule ait buté sur l'extrémité du tube borgne. La profondeur du taraudage auxiliaire de la capsule doit également être inférieure d'au moins 1/2 pas à la hauteur du tube borgne pour que le bas du filetage auxiliaire ne bute pas sur l'extrémité du goulot.The maximum distance between the bottom of the auxiliary thread and the bottom of the main thread of the capsule can vary depending on the elasticity and brittleness of the materials. It is generally at least half a thread pitch less than the distance between the end of the blind tube and the bottom of the main thread of the neck. This allows a screwing of at least 1/2 turn after the bottom of the capsule has come up against the end of the blind tube. The depth of the auxiliary tapping of the capsule must also be at least 1/2 pitch less than the height of the blind tube so that the bottom of the auxiliary thread does not come up against the end of the neck.

Le diamètre du tube borgne est généralement de l'ordre de la moitié du diamètre du goulot.The diameter of the blind tube is generally of the order of half the diameter of the neck.

De tels dispositifs sont aisément réalisables en matières plastiques diverses tels que P.C.V, polyéthylène, polypropylène ; ils sont particulièrement adaptés à la réalisation de têtes de tubes souples métalliques ou en plastique.Such devices are easily produced in various plastics such as P.C.V, polyethylene, polypropylene; they are particularly suitable for making flexible metal or plastic tube heads.

L'invention sera mieux comprise par la description ci-après d'un exemple particulier, ainsi que par le dessin joint.The invention will be better understood from the following description of a particular example, as well as from the accompanying drawing.

Le dessin joint représente, en coupe axiale, une tête de tube souple en polyéthylène monté par encliquetage ou à force sur un corps de tube souple (1) en aluminium.The attached drawing shows, in axial section, a flexible polyethylene tube head mounted by snap-fitting or by force on a flexible tube body (1) made of aluminum.

La tête du tube souple (1) comporte à sa partie supérieure un goulot fileté (2) de forme classique prévu pour être fermé par une capsule (3, vissée au moyen d'un taraudage (4).The head of the flexible tube (1) has at its upper part a threaded neck (2) of conventional shape intended to be closed by a capsule (3, screwed by means of a tapping (4).

Le goulot (2) de la tête est prolongé par un tube borgne (5) dont l'extérieur est fileté selon un filetage de diamètre inférieur à celui du goulot (2), mais de même pas et dont les filets sont en concordance.The neck (2) of the head is extended by a blind tube (5) the outside of which is threaded with a thread with a diameter smaller than that of the neck (2), but similarly and whose threads are in agreement.

La base de ce tube borgne (5) est relié à l'extrémité du goulot (2) par une zone affaiblie (6) de diamètre réduit, ceci tant par rapport au diamètre extérieur (D) du goulot (2) qu'au diamètre (d) du tube borgne (5). Cette réduction de diamètre correspond à un sillon périphérique au niveau du raccordement du tube borgne (5) avec le goulot (2).The base of this blind tube (5) is connected to the end of the neck (2) by a weakened zone (6) of reduced diameter, this both with respect to the outside diameter (D) of the neck (2) and to the diameter (d) of the blind tube (5). This reduction in diameter corresponds to a peripheral groove at the connection of the blind tube (5) with the neck (2).

La capsule (3) comporte elle-même deux taraudages coaxiaux complémentaires chacun d'un filetage de la tête. Le taraudage principal (4) de la capsule permet son vissage sur le goulot (3). Le taraudage auxiliaire (7) a un diamètre (d) correspondant à celui du filetage du tube borgne (5) ; sa profondeur (1) est inférieure à la hauteur (h) du tube borgne (5).The capsule (3) itself comprises two complementary coaxial threads each with a thread of the head. The main thread (4) of the capsule allows it to be screwed onto the neck (3). The auxiliary thread (7) has a diameter (d) corresponding to that of the thread of the blind tube (5); its depth (1) is less than the height (h) of the blind tube (5).

Le diamètre (D) du taraudage principal (4) correspond à celui du filetage du goulot. La distance (L) entre le fond (8) du taraudage auxiliaire (7) et le bas du taraudage principal (4) est inférieure à la distance (H) entre l'extrémité du tube borgne (5) et le bas (9) du filetage principal du goulot (2). Ainsi, lors du premier vissage de la capsule (3) sur la tête du tube souple avant utilisation du contenu, les deux taraudages (4 et 7) de même pas, et dont les filets se correspondent, se vissent simultanément sur le goulot (2) et le tube borgne (5). L'extrémité du tube borgne (5) vient buter en premier sur le fond (8) du taraudage auxiliaire (7) avant vissage complet de la capsule jusqu'au bas (9) du goulot (2). Il importe seulement, lors de ce premier vissage, d'exercer un effort limité pour que le vissage s'arrête sans forcer dès que le fond (8) du taraudage auxiliaire bute sur l'extrémité du tube borgne (5).The diameter (D) of the main thread (4) corresponds to that of the neck thread. The distance (L) between the bottom (8) of the auxiliary thread (7) and the bottom of the main thread (4) is less than the distance (H) between the end of the blind tube (5) and the bottom (9) the main thread of the neck (2). Thus, during the first screwing of the capsule (3) on the head of the flexible tube before use of the content, the two threads (4 and 7) of the same pitch, and whose threads correspond, are simultaneously screwed onto the neck (2 ) and the blind tube (5). The end of the blind tube (5) abuts first on the bottom (8) of the auxiliary thread (7) before fully screwing the capsule to the bottom (9) of the neck (2). It is only important, during this first screwing, to exert a limited force so that the screwing stops without forcing as soon as the bottom (8) of the auxiliary tapping abuts on the end of the blind tube (5).

Pour effectuer une perforation dans le goulot et pouvoir utiliser le contenu du récipient, on force légèrement le vissage ; il peut se poursuivre sur le goulot (2) par le taraudage (4) mais non sur le tube (5) qui bute sur le fond (8). Le tube (5) est entraîné par le déplacement hélicoïdal de la capsule (3), qui continue à se visser sur le goulot (2). La zone affaiblie (6) s'enfonce légèrement dans l'extrémité du goulot (2) en fléchissant et en subissant un effort de torsion. La zone affaiblie (6) se rompt aisément par cisaillement sans que l'on ait à poursuivre le vissage plus de 1/3 de tour environ, créant ainsi la perforation souhàitée à l'extrémité du goulot (2).To make a hole in the neck and be able to use the contents of the container, the screwing is slightly forced; it can continue on the neck (2) by the thread (4) but not on the tube (5) which abuts on the bottom (8). The tube (5) is driven by the helical displacement of the capsule (3), which continues to be screwed onto the neck (2). The weakened zone (6) sinks slightly into the end of the neck (2) by bending and undergoing a torsional force. The weakened zone (6) breaks easily by shearing without having to continue screwing more than about 1/3 of a turn, thus creating the desired perforation at the end of the neck (2).

On comprend aisément que, pour que cette opération soit possible, il importe que la capsule (3) en se vissant ne vienne pas buter sur le bas (9) du filetage principal du goulot (2) ni sur l'extrémité du goulot lui-même avant que la zone affaiblie (6) ait subi un effort de torsion-cisaillement suffisant. Plus simplement, il importe d'avoir H > L soit, en pratique : H - L ≥ P 2; en même temps que h - 1 . H - LIt is easily understood that, for this operation to be possible, it is important that the capsule (3) by screwing does not come to abut on the bottom (9) of the main thread of the neck (2) nor on the end of the neck itself- even before the weakened area (6) has undergone sufficient torsional-shear stress. More simply, it is important to have H> L that is, in practice: H - L ≥ P 2; at the same time as h - 1. H - L

On conçoit également que si la capsule (3), pour dLs raisons d'esthétique ou de facilité de gerbage, comporte une jupe (10) de même diamètre extérieur que le tube souple (1), il importe de prévoir un jeu (E) entre le bas de la jupe et l'épaule du tube souple. On doit avoir sensiblement : E # H - L.It is also understood that if the capsule (3), for d L s reasons of aesthetics or ease of stacking, comprises a skirt (10) of the same external diameter as the flexible tube (1), it is important to provide a clearance ( E) between the bottom of the skirt and the shoulder of the flexible tube. We must have substantially: E # H - L.

Ainsi, l'utilisation de ce dispositif est particulièrement facile. La capsule (3) est vissée simultanément sur le goulot (2) et le tube borgne

  • (5) jusqu'à ce que l'extrémité du tube borgne (5) bute sans forcer sur
  • le fond (8) du taraudage auxiliaire (7).
Thus, the use of this device is particularly easy. The capsule (3) is screwed simultaneously onto the neck (2) and the blind tube
  • (5) until the end of the blind tube (5) abuts without forcing on
  • the bottom (8) of the auxiliary thread (7).

La tête du tube avec sa capsule (3), en place est montée sur le tube souple (1). Le tube (1) est rempli, par le bas, de produit consommable. Selon le procédé habituel avec les tubes souples, le bas du tube (1) est scellé immédiatement après remplissage et expédié chez un distributeur. Il est facile de constater chez le distributeur que le tube n'a pas été frauduleusement ouvert par simple vérification du jeu (E) entre jupe (10) et tête de tube ou du jeu (H - L) entre le bas du taraudage principal (4) de la capsule et le bas (9) du filetage nrincinal du goulot, sans même avoir à dévisser complètement la capsule. On peut également dévisser complètement la capsule sans détériorer en aucune façon le dispositif d'inviolabilité.The head of the tube with its capsule (3), in place is mounted on the flexible tube (1). The tube (1) is filled from below with consumable product. According to the usual process with flexible tubes, the bottom of the tube (1) is sealed immediately after filling and shipped to a distributor. It is easy to see from the distributor that the tube has not been fraudulently opened by simply checking the clearance (E) between skirt (10) and tube head or the clearance (H - L) between the bottom of the main thread ( 4) of the capsule and the bottom (9) of the nrincinal thread of the neck, without even have to completely unscrew the capsule. The capsule can also be completely unscrewed without in any way damaging the tamper-evident device.

Lorsque le consommateur veut utiliser le contenu, il force d'environ 1/3 de tour le vissage de la capsule (3). La zone affaiblie (6) se rompt facilement. En dévissant ensuite la capsule (3), le tube borgne

  • (5) reste hloqué contre le fond de la capsule. Au cours des rebouchages ultérieurs, la base du tube borgne (5) au niveau de la zone affaiblie
  • (6) servira de joint d'étanchéité sur le goulot. La base du tube borgne
  • (5) n'a pu être polluée par aucun élément extérieur.
When the consumer wants to use the content, it forces the screwing of the capsule (3) by about 1/3 of a turn. The weakened area (6) breaks easily. Then unscrewing the cap (3), the blind tube
  • (5) remains locked against the bottom of the capsule. During subsequent fillings, the base of the blind tube (5) at the level of the weakened zone
  • (6) will serve as a seal on the neck. The base of the blind tube
  • (5) could not have been polluted by any external element.

Dans l'exemple représenté, la tête du tube souple, avec son goulot (2) et son tube borgne (5) sont en polypropylène ainsi que la capsule (3). Le tube (1) est en aluminium.In the example shown, the head of the flexible tube, with its neck (2) and its blind tube (5) are made of polypropylene as well as the capsule (3). The tube (1) is made of aluminum.

Les dimensions des éléments de la tête du tube sont sensiblement les suivantes :

Figure imgb0001
The dimensions of the elements of the head of the tube are substantially as follows:
Figure imgb0001

Le tube (1) pourrait aussi bien être réalisé en matière plastique ou en complexe métallo-plastique.The tube (1) could equally well be made of plastic or of a metallo-plastic complex.

Claims (8)

1°) Dispositif d'inviolabilité pour récipient dont le goulot est fermé par une capsule vissée, l'orifice de ce goulot étant initialement obturé par un tube borgne fileté extérieurement dont l'extrémité ouverte est reliée à l'extrémité du goulot par une zone affaiblie, dont le diamètre est inférieur à celui du tube borgne, tandis que la capsule comporte un double taraudage, l'un complémentaire du filetage du goulot, l'autre complémentaire du filetage du tube borgne, caractérisé en ce que les deux taraudages ont même axe et même pas (p) et que leurs filets sont en concordance, ce qui permet leur vissage simultané, en ce que la distance (L) entre le fond (8) du taraudage auxiliaire (7) et le bas du taraudage principal (4) est inférieure à la distance (H) entre l'extrémité du tube borgne et le bas (9) du filetage principal (4) du goulot, tandis que la profondeur (1) du taraudage auxiliaire est inférieure à la hauteur (h) du tube borgne (5), la capsule (3) se vissant simultanément sur le goulot (2) et le tube borgne (5) et venant buter en premier par le fond (8) de son taraudage auxiliaire sur l'extrémité fermée du tube borgne (5).1 °) Tamper-evident device for a container whose neck is closed by a screw cap, the orifice of this neck being initially closed by an externally threaded blind tube whose open end is connected to the end of the neck by a zone weakened, whose diameter is less than that of the blind tube, while the capsule comprises a double thread, one complementary to the thread of the neck, the other complementary to the thread of the blind tube, characterized in that the two threads have the same axis and not even (p) and that their threads are in concordance, which allows their simultaneous screwing, in that the distance (L) between the bottom (8) of the auxiliary thread (7) and the bottom of the main thread (4 ) is less than the distance (H) between the end of the blind tube and the bottom (9) of the main thread (4) of the neck, while the depth (1) of the auxiliary thread is less than the height (h) of the blind tube (5), the capsule (3) screwing simultaneously on the go ulot (2) and the blind tube (5) and abutting first by the bottom (8) of its auxiliary thread on the closed end of the blind tube (5). 2°) Dispositif selon revendication 1, caractérisé en ce que l'épaisseur (e) de la zone affaiblie est sensiblement le 1/6 de l'épaisseur de la paroi du tube borgne (5). 2 °) Device according to claim 1, characterized in that the thickness (e) of the weakened zone is substantially 1/6 the thickness of the wall of the blind tube (5). 3°) Dispositif selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les valeurs H-L et h-1 sont l'une et l'autre au moins égales à p. 23 °) Device according to any one of claims 1 or 2, characterized in that the values H-L and h-1 are both at least equal to p. 2 4°) Dispositif selon l'une quelconque des revendications 1, 2 ou 3, caractérisé en ce que le diamètre extérieur (d) du tube borgne est sensiblement égal à la moitié du diamètre (D) du goulot.4 °) Device according to any one of claims 1, 2 or 3, characterized in that the outside diameter (d) of the blind tube is substantially equal to half the diameter (D) of the neck. 5°) Dispositif selon l'une quelconque des revendications 1, 2, 3 ou 4, caractérisé en ce que le goulot du récipient et la capsule sont en matière plastique tel que polypropylfne, polyéthylène, P.C.V.5 °) Device according to any one of claims 1, 2, 3 or 4, characterized in that the neck of the container and the capsule are made of plastic material such as polypropylene, polyethylene, P.C.V. 6°) Dispositif selon l'une quelconque des revendications 1, 2, 3, 4 ou 5. caractérisé en ce que le goulot du récipient est une tête en plastique encliquetée ou emmanchée à force sur un tube métallique (1).6 °) Device according to any one of claims 1, 2, 3, 4 or 5. characterized in that the neck of the container is a plastic head snapped or force fitted on a metal tube (1). 7°) Dispositif selon l'une quelconque des revendications 1, 2, 3, 4 ou 5, caractérisé en ce que le goulot du récipient est une tête en plastique surmoulée ou soudée sur un corps de tube souple en matière plastique ou en complexe métallo-plastique.7 °) Device according to any one of claims 1, 2, 3, 4 or 5, characterized in that the neck of the container is a plastic head overmolded or welded to a flexible tube body made of plastic or metal complex -plastic. b°) Procédé de bouchage inviolable de récipient fermé par une capsule vissée et dont l'orifice du goulot est initialement obturé par un tube borgne dont l'extrémité ouverte est reliée à l'extrémité du goulot par une zone affaiblie de diamètre réduit, caractérisé en ce que, pour effectuer la première ouverture du récipient, on bloque le tube borgne dans le fond de la capsule et que l'on rompt la zone affaiblie par torsion et enfoncement dans le goulot de cette zone affaiblie.b °) Method of tamper-evident closure of a container closed by a screw cap and the opening of the neck of which is initially closed by a blind tube whose open end is connected to the end of the neck by a weakened zone of reduced diameter, characterized in that, to effect the first opening of the container, the blind tube is blocked in the bottom of the capsule and that the weakened area is broken by twisting and sinking into the neck of this weakened area.
EP78420011A 1977-10-28 1978-10-16 Tamperproof device for container with a neck closed by a threaded cap and process for the first opening of the container Expired EP0001959B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7733345 1977-10-28
FR7733345A FR2407141A1 (en) 1977-10-28 1977-10-28 INVIOLABILITY DEVICE FOR CONTAINERS WHOSE THOUGHT IS CLOSED BY A SCREWED CAPSULE

Publications (2)

Publication Number Publication Date
EP0001959A1 true EP0001959A1 (en) 1979-05-16
EP0001959B1 EP0001959B1 (en) 1981-01-07

Family

ID=9197310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78420011A Expired EP0001959B1 (en) 1977-10-28 1978-10-16 Tamperproof device for container with a neck closed by a threaded cap and process for the first opening of the container

Country Status (12)

Country Link
US (1) US4157765A (en)
EP (1) EP0001959B1 (en)
JP (1) JPS54103189A (en)
AU (1) AU4103278A (en)
BR (1) BR7807087A (en)
CA (1) CA1099667A (en)
CH (1) CH626580A5 (en)
DE (1) DE2860433D1 (en)
ES (1) ES474507A1 (en)
FR (1) FR2407141A1 (en)
IT (1) IT1160005B (en)
ZA (1) ZA786050B (en)

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GB2118153A (en) * 1982-04-15 1983-10-26 Steripak Limited Containers
FR2542286A1 (en) * 1983-03-07 1984-09-14 Cebal Container with tamper-evident cover which can be torn by means of a key inside the cap
EP0119145A1 (en) * 1983-03-07 1984-09-19 Cebal Closure device for a container having a neck and provided with a closure cap
EP0194068A2 (en) * 1985-02-28 1986-09-10 Waverley Pharmaceutical Limited Bottles
FR2586403A1 (en) * 1985-08-23 1987-02-27 Wheeling Stamping Co CONTAINER COMPRISING A DEVICE THAT MAKES ANY OPENING HANDLING
US4901873A (en) * 1982-08-03 1990-02-20 Automatic Liquid Packaging, Inc. Container with insert having a fully or partially encapsulating seal with a frangible web formed against said insert
EP0355471A1 (en) * 1988-08-18 1990-02-28 Greiter Ag Tube
DE3830224A1 (en) * 1988-09-06 1990-03-15 Tetra Pak Gmbh PACKAGING CONTAINER FOR FOODSTUFFS
GB2225000A (en) * 1988-11-22 1990-05-23 Naoki Hotta Medical liquid container
GB2239009A (en) * 1989-12-15 1991-06-19 Montgomery Daniel & Son Ltd Container closure
CN105073596A (en) * 2013-01-25 2015-11-18 东罐兴业株式会社 Container sealing device

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EP0050490B1 (en) * 1980-10-17 1986-08-27 U.G. CLOSURES & PLASTICS LIMITED Sterile pack
US4778072A (en) * 1982-11-29 1988-10-18 Coninental Can Company, Inc. Pressure release tamper indicating feature for closure
US4598839A (en) * 1983-02-01 1986-07-08 Peerless Tube Company Tamper evident squeeze tube
FR2574372B1 (en) * 1984-12-11 1987-09-18 Cebal MOUTH CONTAINER IN PLASTIC MATERIAL WITH TOP OF SMOOTH INVIOLABILITY SEAL WITH CAP AND OPENING METHOD
US4732287A (en) * 1986-11-17 1988-03-22 R.J.S. Industries, Inc. Container and applicator for fluids
DE3735909A1 (en) * 1987-10-23 1989-05-03 Hansen Bernd DRIP BOTTLE AND METHOD FOR THEIR PRODUCTION
FR2645125B1 (en) * 1989-03-28 1991-07-26 Simon Patrick SEALED CLOSURE DEVICE FOR CONTAINERS AND METHOD FOR THE PRODUCTION THEREOF
FR2653746A1 (en) * 1989-10-26 1991-05-03 Merck Sharp & Dohme STERILE PACKAGING ASSEMBLY FOR DISPENSING LIQUID, AND METHOD FOR MANUFACTURING SUCH A ASSEMBLY.
FR2692556B1 (en) * 1992-06-19 1996-05-15 Cebal TUBE OF PLASTIC MATERIAL HAVING A TEAR-OFF LID, SAID TUBE WITH CAPSULE AND USES THEREOF.
US5427275A (en) * 1992-09-26 1995-06-27 Hansen; Bernd Dispenser cap with piercer
DE60007718T2 (en) * 1999-06-24 2004-12-09 Tuboplast Hispania, S.A. CONTAINER WITH ORIGINAL LOCK
ITMO20020204A1 (en) * 2002-07-16 2004-01-16 Lameplast Spa CONTAINER FOR THE PACKAGING OF FLUID OR PASTOUS PRODUCTS, PARTICULARLY COSMETIC, MEDICINAL AND SIMILAR
JP4599052B2 (en) * 2003-11-14 2010-12-15 有限会社三木製作所 Food containers and container caps
CN102114937B (en) * 2006-04-28 2013-11-06 东罐兴业株式会社 Cap and container with cap
US20110132941A1 (en) * 2009-12-08 2011-06-09 Kim Sang Soon Spout for a pouch
JP7366491B2 (en) * 2019-05-23 2023-10-23 株式会社吉野工業所 barrier cap

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US2317420A (en) * 1940-12-20 1943-04-27 American Can Co Container
FR1241061A (en) * 1958-11-26 1960-09-09 S E B Establishment Guarantee capping device for tubes and tubular containers
US3784045A (en) * 1971-10-26 1974-01-08 Automatic Liquid Packaging Permanently sealed containers and end caps therefor

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Publication number Priority date Publication date Assignee Title
US2295865A (en) * 1940-11-18 1942-09-15 Rentschler Erwin Container spout
US2317420A (en) * 1940-12-20 1943-04-27 American Can Co Container
FR1241061A (en) * 1958-11-26 1960-09-09 S E B Establishment Guarantee capping device for tubes and tubular containers
US3784045A (en) * 1971-10-26 1974-01-08 Automatic Liquid Packaging Permanently sealed containers and end caps therefor

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118153A (en) * 1982-04-15 1983-10-26 Steripak Limited Containers
US4901873A (en) * 1982-08-03 1990-02-20 Automatic Liquid Packaging, Inc. Container with insert having a fully or partially encapsulating seal with a frangible web formed against said insert
FR2542286A1 (en) * 1983-03-07 1984-09-14 Cebal Container with tamper-evident cover which can be torn by means of a key inside the cap
EP0119145A1 (en) * 1983-03-07 1984-09-19 Cebal Closure device for a container having a neck and provided with a closure cap
FR2546484A2 (en) * 1983-03-07 1984-11-30 Cebal Container with tamper-proof cover with a flared skirt which can be torn off by means of a key inside the cap.
EP0194068A2 (en) * 1985-02-28 1986-09-10 Waverley Pharmaceutical Limited Bottles
EP0194068A3 (en) * 1985-02-28 1987-09-30 Schering Health Care Limited Bottles
FR2586403A1 (en) * 1985-08-23 1987-02-27 Wheeling Stamping Co CONTAINER COMPRISING A DEVICE THAT MAKES ANY OPENING HANDLING
EP0355471A1 (en) * 1988-08-18 1990-02-28 Greiter Ag Tube
AT398954B (en) * 1988-08-18 1995-02-27 Greiter Ag TUBE
DE3830224A1 (en) * 1988-09-06 1990-03-15 Tetra Pak Gmbh PACKAGING CONTAINER FOR FOODSTUFFS
GB2225000A (en) * 1988-11-22 1990-05-23 Naoki Hotta Medical liquid container
GB2225000B (en) * 1988-11-22 1992-10-28 Naoki Hotta Medical liquid container
GB2239009A (en) * 1989-12-15 1991-06-19 Montgomery Daniel & Son Ltd Container closure
GB2239009B (en) * 1989-12-15 1993-12-15 Montgomery Daniel & Son Ltd Closure for liquid container
CN105073596A (en) * 2013-01-25 2015-11-18 东罐兴业株式会社 Container sealing device
US10086980B2 (en) 2013-01-25 2018-10-02 Tokan Kogyo Co., Ltd. Container sealing device

Also Published As

Publication number Publication date
CA1099667A (en) 1981-04-21
ZA786050B (en) 1979-12-27
IT7829048A0 (en) 1978-10-24
CH626580A5 (en) 1981-11-30
IT1160005B (en) 1987-03-04
AU4103278A (en) 1980-05-01
JPS54103189A (en) 1979-08-14
FR2407141A1 (en) 1979-05-25
DE2860433D1 (en) 1981-02-26
BR7807087A (en) 1979-05-08
EP0001959B1 (en) 1981-01-07
US4157765A (en) 1979-06-12
ES474507A1 (en) 1979-02-16
FR2407141B1 (en) 1982-02-26

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