EP0675050A1 - Sealing device for flexible walled container - Google Patents

Sealing device for flexible walled container Download PDF

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Publication number
EP0675050A1
EP0675050A1 EP95420082A EP95420082A EP0675050A1 EP 0675050 A1 EP0675050 A1 EP 0675050A1 EP 95420082 A EP95420082 A EP 95420082A EP 95420082 A EP95420082 A EP 95420082A EP 0675050 A1 EP0675050 A1 EP 0675050A1
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EP
European Patent Office
Prior art keywords
container
sleeve
wall
collar
corking device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95420082A
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German (de)
French (fr)
Inventor
Roland Duval
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.)
GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES
Original Assignee
GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES
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.)
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Publication date
Application filed by GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES filed Critical GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES
Publication of EP0675050A1 publication Critical patent/EP0675050A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls

Definitions

  • the present invention relates to a closure device for container with flexible walls, capable of being torn by manual action.
  • Rigid containers are more and more frequently replaced by flexible plastic containers, generally consisting of one or more heat-sealed sheets at their edges. These containers have the advantage of using significantly less material than a rigid container and of reducing the volume of waste.
  • a container of this kind is known in particular consisting of three heat-sealed sheets at their edges, two of which form the side walls of the container and the third of which, engaged between the two aforementioned sheets, forms the bottom and allows, when the container is filled , to constitute a rigid base ensuring the maintenance thereof in a vertical position.
  • the dosage of a determined quantity of product is delicate.
  • closure devices In addition, to seal the neck, these closure devices are generally permanently fixed to the container. Their cost of manufacture and installation increases that of the container and, consequently, that of the product.
  • the cross-section of the opening of the container remains limited and does not allow the flow of solid bodies which the liquid may contain, which risk blocking the opening.
  • the present invention aims to remedy all of these drawbacks.
  • the neck portion is therefore not, as in the prior art, disposed on one of the walls of the container, perpendicular to it, but is oriented parallel to the side walls of the container, being placed between them and being located substantially in the extension of the edge of these two side walls.
  • the liquid When the container is tilted for pouring, the liquid is guided by the two side walls of the container and comes naturally to engage in the neck that constitutes the device, without any particular disturbance, since this neck is located substantially in the extension from the side edge of the container.
  • the device thus allows precise and controlled pouring, without any risk of overturning.
  • the sleeve and the collar allow the container to be perfectly grasped with one hand while the perforating member is operated with the other hand.
  • This device can be placed anywhere on the container wall, proving favorable for obtaining an easy flow.
  • the aforementioned cavity is advantageously formed by folding an upper angle of the container towards the interior thereof.
  • the perforating member makes it possible to cut the walls clearly, pushing them back outside the opening of the neck. It also advantageously has a cross section sufficient to make an opening of large dimensions so that any solid bodies contained in the container, or in the liquid that the latter contains, are not likely to come and obstruct the opening.
  • the collar When the container is empty, the collar can be removed from the sleeve to free the container wall, and the device can be reused on another container.
  • the perforating member is tubular, clearly protrudes from the sleeve in the direction of the interior of the container and can be fixed to the sleeve, in which it remains engaged during pouring.
  • the perforating member thus makes it possible to channel the liquid and to stiffen the walls of the container at the level of the pouring opening. It can even serve, through the side walls of the container, as a gripping means, coming to bear against the upper heat-sealing line of the side walls of the container.
  • the sleeve can be shaped to receive a closure member such as a plug.
  • the perforating member is tubular and is extended, on the side opposite to the container, by a tubular wall forming a neck, advantageously shaped to receive a closure means such as a plug.
  • FIG. 1 represents a container 2 with flexible walls capable of being torn by manual action, and a closure device 3 which can be adapted to it.
  • the container 2 is of the type formed by heat sealing at least two sheets of synthetic material comprising, in the example shown, two side walls 2a joined at the upper level by a heat seal line 4, this line 4 forming a right angle 5 with the side 6 of the container 2.
  • the device 3 essentially consists of three parts, namely a sleeve 10, a collar 11 and a perforating member 12.
  • the sleeve 10 is tubular and comprises two parts 10a, 10b separated by a conical shoulder 10c.
  • the collar 11 is made of elastic material, in particular of suitable synthetic material, and comprises a longitudinal slot 14. Its internal diameter corresponds substantially to the external diameter of the part 10a of the sleeve 10.
  • the perforating member 12 is also tubular. It comprises two parts 12a, 12b separated by a conical shoulder 12c, the external diameters of which are such that, apart from the clearance, the internal diameters of the parts 10a, 10b of the sleeve 10.
  • the part 12a is much longer than the part 10a.
  • Its end opposite to the conical shoulder 12c is cut at an angle relative to the axis of the perforating member 12 so as to delimit a point 12d.
  • the perforating member 12 comprises a flange 15 to which a plug 16 is connected by a flexible tab 17 forming a film hinge, and a tubular wall 18 forming a neck, on which the plug 16 can be fitted.
  • a cavity 20 is first formed by folding the angle 5 towards the inside of the container 2.
  • the part 10a of the sleeve 10 is then engaged in the cavity 20 (FIG. 2), then the collar 11 is placed on this part 10a (FIG. 3) so as to trap the wall of the container 2 between it and the sleeve 10, by applying this wall around the sleeve 10.
  • This positioning of the collar makes it possible to immobilize the sleeve 10 relative to the wall of the container 2, so that a part 2b of the wall 2 is held opposite the lower opening of the sleeve 10. This placing in place also ensures a tight application of this wall against the sleeve 10.
  • the perforating member 12 is then engaged in the sleeve 10 until the shoulder 12c comes into abutment against the shoulder 10c. Thanks to the upper length of the part 12a of the perforating member 12 relative to the part 10a of the sleeve 10, the tip 12d punctures the wall 2b before said abutment of the shoulder 12c against the shoulder 10c (FIG. 4).
  • the sleeve 10 and the collar 11 allow the container 2 to be perfectly grasped with one hand during that the perforating member 12 is operated with the other hand.
  • the section of the perforating member 12 is sufficient to produce an opening of large dimensions so that any solid bodies contained in the container 2, or in the liquid which the latter contains, are not likely to come to obstruct this opening.
  • the perforating member 12 makes it possible to channel the liquid and to stiffen the walls 2a of the container 2 at the level of the pouring opening. It can even serve, through the side walls 2a, of gripping means, coming to bear against the upper heat-sealing line 4 of the walls 2a.
  • the perforating member 12 allows the walls to be sharply cut, as shown in FIG. 4, by pushing them back outside the opening of the neck.
  • the device 3 can be placed anywhere on the wall of the container 2, insofar as the cavity 20 can be formed.
  • the cavity 20 is produced by folding back the upper angle 5, so that the axis of the device 3 is oriented parallel to the side walls 2a of the container 2, in being placed between them and being located substantially in the extension of the edge 6 of the walls 2a.
  • the liquid is guided by the two walls 2a and naturally comes to engage in the neck formed by the device 3, without particular disturbance.
  • the device 3 thus allows precise and controlled pouring, without any risk of overturning.
  • the collar 11 can be removed from the sleeve to free the wall from the container, and the device can be reused on another container.
  • the plug 16 temporarily closes the neck formed by the wall 18.
  • Figure 5 shows that, according to an advantageous alternative embodiment, the three parts 10,11,12 constituting the device 3 can be connected to each other by bridges 25 of material, all of these parts 10,11,12 and bridges 25 obtainable in a single molding operation.
  • the parts 10, 11, 12 can be connected together three by three or two by two.
  • the bridges 25 can be shaped to serve as means for suspending the container 2 when the closure device is placed on it.
  • FIGS 6 to 11 show three different embodiments of the device 3 according to the invention.
  • the elements already described which are found in these embodiments are designated by the same reference numerals, for the sake of simplification.
  • FIGS. 6 and 7 show a sleeve 10 fitted with a flexible tubular wall 30 which can be turned over on itself, and which can therefore alternately occupy the position shown in FIG. 6, where this wall 30 covers the part 10b of the sleeve 10, and the position shown in FIG. 7, where it covers the part 10a of this sleeve and traps the wall of the container 2 between it and said part 10a.
  • This flexible tubular wall 30 thus replaces the collar 11 to ensure the confinement of the wall of the container between it and the sleeve 10 and tightly apply this wall around the sleeve 10.
  • Figures 8 and 9 show a sleeve 10 and a split collar 11 placed on a container 2, as previously described.
  • part 10a of sleeve 10 has a conical shape and comprises longitudinal lines 31 of inward folding of portions of the wall of this part 10a, these lines 31 being regularly distributed around the periphery of this part 10a.
  • the wall of the container 2 conforms to the shape of this part 10a, as shown in FIG. 8.
  • the perforating member 12 comes to deploy the part 10a of the sleeve 10 during its introduction, which has the effect of ensuring, on the one hand, a wide tear in the walls of the container 2 and, on the other hand, perfect retention of the perforating member 12 in the sleeve 10.
  • the lines 31 for inward folding of wall portions of the part 10a could be replaced by lines of less resistance allowing the radial bursting of the part 10a during the introduction of the perforating member 12.
  • Figures 10 and 11 show a fourth embodiment of the device 3, in which the collar for confining the wall of the container 2 between it and the sleeve 10 is constituted by two concave portions 11 of branches 32, while the sleeve 10 is integral with a branch 33 interposed between the branches 32, the branches 32 and 33 being articulated with respect to each other, for example by means of film hinges 34.
  • the sleeve 10 and the concave portions 11 have a frustoconical shape.
  • the free ends of the branches 32 comprise complementary retaining means constituted, in this example, by two holes 35 arranged in one of the branches 32 and by two corresponding shouldered studs 36, arranged in the other branch 32.
  • the sleeve 10 is intended to be engaged in the cavity 20 formed by folding the angle 5, then the two branches 32 are brought closer to the branch 33-sleeve 10 assembly and assembled one to the other by engagement of the pins 36 in the holes 35, so as to enclose the sleeve 10 and the wall of the container 2 between them.

Abstract

The combination stopper and dispenser consists of a sleeve (10) which is pushed into a depression formed in the wall of the container (2) and held in place by a collar (11). The portion of the container wall which covers the inner end of the sleeve can then be perforated by a second tube (12) with a sharpened tip (12d) which fixes inside the sleeve and is equipped with a pourer (18) and cap (16). The different components can be moulded together and joined by a series of connectors which are removed before use. Alternatively the lower end of the sleeve can be made conical in shape and equipped with lengthwise lines of reduced resistance so that it opens when the perforator tube is pushed through it. The sleeve and collar can be moulded in one piece with the collar in two halves and engaging with the sleeve from opposite sides. <IMAGE>

Description

La présente invention concerne un dispositif de bouchage pour récipient à parois souples, susceptibles d'être déchirées par une action manuelle.The present invention relates to a closure device for container with flexible walls, capable of being torn by manual action.

Les récipients rigides sont de plus en plus fréquemment remplacés par des récipients en matière synthétique souple, généralement constitués par une ou plusieurs feuilles thermoscellées au niveau de leurs bords. Ces récipients présentent l'avantage d'employer nettement moins de matière qu'un récipient rigide et de diminuer le volume des déchets.Rigid containers are more and more frequently replaced by flexible plastic containers, generally consisting of one or more heat-sealed sheets at their edges. These containers have the advantage of using significantly less material than a rigid container and of reducing the volume of waste.

On connaît notamment un récipient de ce genre constitué par trois feuilles thermosoudées au niveau de leurs bords, dont deux forment les parois latérales du récipient et dont la troisième, engagée entre les deux feuilles précitées, forme le fond et permet, lorsque le récipient est rempli, de constituer une embase rigide assurant le maintien de celui-ci en position verticale.A container of this kind is known in particular consisting of three heat-sealed sheets at their edges, two of which form the side walls of the container and the third of which, engaged between the two aforementioned sheets, forms the bottom and allows, when the container is filled , to constitute a rigid base ensuring the maintenance thereof in a vertical position.

Ces récipients présentent l'inconvénient de ne pouvoir être utilisés qu'en temps que cartouche de recharge d'un récipient rigide.These containers have the disadvantage that they can only be used as a refill cartridge for a rigid container.

Pour remédier à cet inconvénient, il est connu de rapporter un goulot muni d'un bouchon de fermeture sur l'une des faces latérales du récipient, ladite paroi étant percée au regard du goulot. Il est également connu de prévoir un dispositif comprenant un goulot sur une partie apte à venir contre l'une des parois du récipient, et un organe perforateur sur une autre partie apte à venir contre l'autre paroi du récipient, en face du goulot. Le rapprochement des deux parties du dispositif permet de venir perforer la ou les parois du récipient en face du goulot.To overcome this drawback, it is known to attach a neck provided with a closure cap on one of the lateral faces of the container, said wall being pierced facing the neck. It is also known to provide a device comprising a neck on a part capable of coming against one of the walls of the container, and a perforating member on another part capable of coming against the other wall of the container, opposite the neck. The bringing together of the two parts of the device makes it possible to perforate the wall or walls of the container opposite the neck.

Ces dispositifs présentent l'inconvénient important de rendre le versement relativement approximatif, avec risque de débordement, compte tenu de leur positionnement sur le récipient et de la souplesse des parois de celui-ci. Il est en effet difficile de contrôler le versement surtout en début ou en fin de versage, et il est fréquent que le liquide s'écoule le long de la paroi du récipient.These devices have the significant drawback of making the payment relatively approximate, with the risk of overflow, given their positioning on the container and the flexibility of the walls thereof. It is indeed difficult to control the pouring especially at the beginning or at the end of pouring, and it is frequent that the liquid flows along the wall of the container.

Le dosage d'une quantité déterminée de produit est délicat.The dosage of a determined quantity of product is delicate.

L'écoulement est également perturbé par la découpe irrégulière des parois en cas de perforation de celles-ci. Des fragments peuvent se détacher et se mélanger au liquide.The flow is also disturbed by the irregular cutting of the walls in the event of perforation thereof. Fragments can come off and mix with the liquid.

De plus, pour assurer l'étanchéité du goulot, ces dispositifs de bouchage sont généralement fixés de manière définitive sur le récipient. Leur coût de fabrication et de mise en place augmente celui du récipient et, par conséquent, celui du produit.In addition, to seal the neck, these closure devices are generally permanently fixed to the container. Their cost of manufacture and installation increases that of the container and, consequently, that of the product.

En outre, en cas de perforation, la section de l'ouverture du récipient reste limitée et ne permet pas l'écoulement de corps solides que peut contenir le liquide, qui risquent de venir obstruer l'ouverture.In addition, in the event of perforation, the cross-section of the opening of the container remains limited and does not allow the flow of solid bodies which the liquid may contain, which risk blocking the opening.

La présente invention vise à remédier à l'ensemble de ces inconvénients.The present invention aims to remedy all of these drawbacks.

A cette fin, le dispositif qu'elle concerne, du type comprenant une partie formant goulot apte à être fixée à la paroi du récipient et un organe permettant de perforer ladite paroi, comprend :

  • un manchon destiné à être engagé dans une cavité formée par repliage, vers l'intérieur du récipient, d'une partie de la paroi de ce récipient ;
  • un collier apte à être engagé sur le manchon et la paroi du récipient délimitant la cavité de manière à emprisonner cette paroi entre lui et le manchon en appliquant étroitement cette paroi autour du manchon et
  • un organe perforateur apte à être engagé au travers du manchon et à venir perforer la partie de paroi du récipient se trouvant en face de l'ouverture inférieure du manchon.
To this end, the device which it concerns, of the type comprising a neck-forming part capable of being fixed to the wall of the container and a member making it possible to perforate said wall, comprises:
  • a sleeve intended to be engaged in a cavity formed by folding, towards the interior of the container, a part of the wall of this container;
  • a collar capable of being engaged on the sleeve and the wall of the container delimiting the cavity so as to trap this wall between it and the sleeve by applying this wall closely around the sleeve and
  • a perforating member able to be engaged through the sleeve and to perforate the wall part of the container located opposite the lower opening of the sleeve.

La partie formant goulot n'est donc pas, comme dans la technique antérieure, disposée sur l'une des parois du récipient, perpendiculairement à celle-ci, mais se trouve orientée parallèlement aux parois latérales du récipient, en étant placée entre celles-ci et en étant située sensiblement dans le prolongement du bord de ces deux parois latérales.The neck portion is therefore not, as in the prior art, disposed on one of the walls of the container, perpendicular to it, but is oriented parallel to the side walls of the container, being placed between them and being located substantially in the extension of the edge of these two side walls.

Lorsque le récipient est incliné en vue du versage, le liquide est guidé par les deux parois latérales du récipient et vient naturellement s'engager dans le goulot que constitue le dispositif, sans perturbation particulière, étant donné que ce goulot est situé sensiblement dans le prolongement du bord latéral du récipient. Le dispositif permet ainsi un versage précis et contrôlé, sans aucun risque de renversement.When the container is tilted for pouring, the liquid is guided by the two side walls of the container and comes naturally to engage in the neck that constitutes the device, without any particular disturbance, since this neck is located substantially in the extension from the side edge of the container. The device thus allows precise and controlled pouring, without any risk of overturning.

La mise en place du collier permet d'immobiliser le manchon par rapport à la paroi du récipient et d'assurer une application étanche de cette paroi contre ce manchon.The establishment of the collar makes it possible to immobilize the sleeve relative to the wall of the container and to ensure a sealed application of this wall against this sleeve.

Le manchon et le collier permettent de parfaitement saisir le récipient d'une main pendant que l'on manoeuvre l'organe perforateur de l'autre main.The sleeve and the collar allow the container to be perfectly grasped with one hand while the perforating member is operated with the other hand.

Ce dispositif peut être placé à un endroit quelconque de la paroi de récipient s'avérant favorable pour l'obtention d'un écoulement facile. En particulier, la cavité précitée est avantageusement formée en repliant un angle supérieur du récipient en direction de l'intérieur de celui-ciThis device can be placed anywhere on the container wall, proving favorable for obtaining an easy flow. In particular, the aforementioned cavity is advantageously formed by folding an upper angle of the container towards the interior thereof.

L'organe perforateur permet de découper nettement les parois, en les repoussant en dehors de l'ouverture du goulot. Il présente de plus, avantageusement, une section suffisante pour réaliser une ouverture de dimensions importantes afin que d'éventuels corps solides contenus dans le récipient, ou dans le liquide que celui-ci contient, ne risquent pas de venir obstruer l'ouverture.The perforating member makes it possible to cut the walls clearly, pushing them back outside the opening of the neck. It also advantageously has a cross section sufficient to make an opening of large dimensions so that any solid bodies contained in the container, or in the liquid that the latter contains, are not likely to come and obstruct the opening.

Lorsque le récipient est vide, le collier peut être retiré du manchon pour libérer la paroi du récipient, et le dispositif peut être réutilisé sur un autre récipient.When the container is empty, the collar can be removed from the sleeve to free the container wall, and the device can be reused on another container.

Suivant une forme de réalisation préférée de l'invention, l'organe perforateur est tubulaire, dépasse nettement du manchon en direction de l'intérieur du récipient et peut être fixé au manchon, dans lequel il reste engagé au cours du versage. L'organe perforateur permet ainsi de canaliser le liquide et de rigidifier les parois du récipient au niveau de l'ouverture de versage. Il peut même servir, au travers des parois latérales du récipient, de moyen de préhension, en venant en appui contre la ligne supérieure de thermoscellage des parois latérales du récipient.According to a preferred embodiment of the invention, the perforating member is tubular, clearly protrudes from the sleeve in the direction of the interior of the container and can be fixed to the sleeve, in which it remains engaged during pouring. The perforating member thus makes it possible to channel the liquid and to stiffen the walls of the container at the level of the pouring opening. It can even serve, through the side walls of the container, as a gripping means, coming to bear against the upper heat-sealing line of the side walls of the container.

Le manchon peut être conformé pour recevoir un organe de fermeture tel qu'un bouchon. Suivant une forme de réalisation préférée de l'invention, l'organe perforateur est tubulaire et se prolonge, du côté opposé au récipient, par une paroi tubulaire formant goulot, avantageusement conformée pour recevoir un moyen de fermeture tel qu'un bouchon.The sleeve can be shaped to receive a closure member such as a plug. According to a preferred embodiment of the invention, the perforating member is tubular and is extended, on the side opposite to the container, by a tubular wall forming a neck, advantageously shaped to receive a closure means such as a plug.

Pour sa bonne compréhension, l'invention va être à nouveau décrite ci-dessous en référence au dessin schématique annexé représentant, à titre d'exemples non limitatifs, plusieurs formes de réalisation du dispositif de bouchage pour récipient à parois souples qu'elle concerne.

  • La figure 1 en est une vue en perspective éclatée, selon une première forme de réalisation, avec l'angle supérieur d'un récipient sur lequel il est destiné à être mis en place ;
  • les figures 2 à 4 en sont des vues en coupe longitudinale, au cours de trois phases successives de mise en place sur ce récipient ;
  • la figure 5 en est une vue en perspective selon une variante de réalisation ;
  • les figures 6 et 7 en sont des vues en coupe longitudinale, au cours de deux phases successives de mise en place sur le récipient, selon une deuxième forme de réalisation ;
  • les figures 8 et 9 en sont des vues en coupe longitudinale, au cours de deux phases successives de mise en place sur ce récipient, selon une troisième forme de réalisation et
  • les figures 10 et 11 en sont des vues en perspective, respectivement avant et après mise en place sur un récipient, selon une quatrième forme de réalisation.
For a good understanding, the invention will be described again below with reference to the appended diagrammatic drawing representing, by way of nonlimiting examples, several embodiments of the closure device for container with flexible walls which it concerns.
  • Figure 1 is an exploded perspective view, according to a first embodiment, with the upper corner of a container on which it is intended to be placed;
  • Figures 2 to 4 are views in longitudinal section, during three successive phases of implementation on this container;
  • Figure 5 is a perspective view according to an alternative embodiment;
  • Figures 6 and 7 are views in longitudinal section, during two successive phases of implementation on the container, according to a second embodiment;
  • FIGS. 8 and 9 are views in longitudinal section thereof, during two successive phases of positioning on this container, according to a third embodiment and
  • Figures 10 and 11 are perspective views, respectively before and after placement on a container, according to a fourth embodiment.

La figure 1 représente un récipient 2 à parois souples susceptibles d'être déchirées par une action manuelle, et un dispositif de bouchage 3 pouvant être adapté sur lui.FIG. 1 represents a container 2 with flexible walls capable of being torn by manual action, and a closure device 3 which can be adapted to it.

Le récipient 2 est du type constitué par thermosoudage d'au moins deux feuilles de matériau synthétique comprenant, dans l'exemple représenté, deux parois latérales 2a réunies au niveau supérieur par une ligne de thermosoudage 4, cette ligne 4 formant un angle droit 5 avec le côté latéral 6 du récipient 2.The container 2 is of the type formed by heat sealing at least two sheets of synthetic material comprising, in the example shown, two side walls 2a joined at the upper level by a heat seal line 4, this line 4 forming a right angle 5 with the side 6 of the container 2.

Le dispositif 3 est constitué essentiellement par trois pièces, à savoir un manchon 10, un collier 11 et un organe perforateur 12.The device 3 essentially consists of three parts, namely a sleeve 10, a collar 11 and a perforating member 12.

Le manchon 10 est tubulaire et comprend deux parties 10a,10b séparées par un épaulement conique 10c.The sleeve 10 is tubular and comprises two parts 10a, 10b separated by a conical shoulder 10c.

Le collier 11 est en matériau élastique, notamment en matière synthétique appropriée, et comprend une fente longitudinale 14. Son diamètre interne correspond sensiblement au diamètre externe de la partie 10a du manchon 10.The collar 11 is made of elastic material, in particular of suitable synthetic material, and comprises a longitudinal slot 14. Its internal diameter corresponds substantially to the external diameter of the part 10a of the sleeve 10.

L'organe perforateur 12 est également tubulaire. Il comprend deux parties 12a,12b séparées par un épaulement conique 12c, dont les diamètres externes sont tels qu'ils correspondent, au jeu près, aux diamètres internes des parties 10a,10b du manchon 10. La partie 12a est nettement plus longue que la partie 10a. Son extrémité opposée à l'épaulement conique 12c est taillée selon un angle par rapport à l'axe de l'organe perforateur 12 de manière à délimiter une pointe 12d. Du côté opposé à cette extrémité, l'organe perforateur 12 comprend une collerette 15 à laquelle est relié un bouchon 16 par une patte flexible 17 formant charnière-film, et une paroi tubulaire 18 formant goulot, sur laquelle le bouchon 16 peut être emmanché.The perforating member 12 is also tubular. It comprises two parts 12a, 12b separated by a conical shoulder 12c, the external diameters of which are such that, apart from the clearance, the internal diameters of the parts 10a, 10b of the sleeve 10. The part 12a is much longer than the part 10a. Its end opposite to the conical shoulder 12c is cut at an angle relative to the axis of the perforating member 12 so as to delimit a point 12d. On the side opposite this end, the perforating member 12 comprises a flange 15 to which a plug 16 is connected by a flexible tab 17 forming a film hinge, and a tubular wall 18 forming a neck, on which the plug 16 can be fitted.

Comme le montrent les figures 2 à 4, pour la mise en place du dispositif 3 sur le récipient 2, une cavité 20 est tout d'abord formée par repliage de l'angle 5 vers l'intérieur du récipient 2. La partie 10a du manchon 10 est ensuite engagée dans la cavité 20 (figure 2), puis le collier 11 est mis en place sur cette partie 10a (figure 3) de manière à emprisonner la paroi du récipient 2 entre lui et le manchon 10, en appliquant étroitement cette paroi autour du manchon 10.As shown in Figures 2 to 4, for the establishment of the device 3 on the container 2, a cavity 20 is first formed by folding the angle 5 towards the inside of the container 2. The part 10a of the sleeve 10 is then engaged in the cavity 20 (FIG. 2), then the collar 11 is placed on this part 10a (FIG. 3) so as to trap the wall of the container 2 between it and the sleeve 10, by applying this wall around the sleeve 10.

Cette mise en place du collier permet d'immobiliser le manchon 10 par rapport à la paroi du récipient 2, de telle sorte qu'une partie 2b de la paroi 2 se trouve maintenue en face de l'ouverture inférieure du manchon 10. Cette mise en place assure également une application étanche de cette paroi contre le manchon 10.This positioning of the collar makes it possible to immobilize the sleeve 10 relative to the wall of the container 2, so that a part 2b of the wall 2 is held opposite the lower opening of the sleeve 10. This placing in place also ensures a tight application of this wall against the sleeve 10.

L'organe perforateur 12 est alors engagé dans le manchon 10 jusqu'à venue de l'épaulement 12c en butée contre l'épaulement 10c. Grâce à la longueur supérieure de la partie 12a de l'organe perforateur 12 par rapport à la partie 10a du manchon 10, la pointe 12d vient perforer la paroi 2b avant ladite venue en butée de l'épaulement 12c contre l'épaulement 10c (figure 4).The perforating member 12 is then engaged in the sleeve 10 until the shoulder 12c comes into abutment against the shoulder 10c. Thanks to the upper length of the part 12a of the perforating member 12 relative to the part 10a of the sleeve 10, the tip 12d punctures the wall 2b before said abutment of the shoulder 12c against the shoulder 10c (FIG. 4).

Le manchon 10 et le collier 11 permettent de parfaitement saisir le récipient 2 avec une main pendant que l'on manoeuvre l'organe perforateur 12 avec l'autre main.The sleeve 10 and the collar 11 allow the container 2 to be perfectly grasped with one hand during that the perforating member 12 is operated with the other hand.

La section de l'organe perforateur 12 est suffisante pour réaliser une ouverture de dimensions importantes afin que d'éventuels corps solides contenus dans le récipient 2, ou dans le liquide que celui-ci contient, ne risquent pas de venir obstruer cette ouverture. En outre, l'organe perforateur 12 permet de canaliser le liquide et de rigidifier les parois 2a du récipient 2 au niveau de l'ouverture de versage. Il peut même servir, au travers des parois latérales 2a, de moyen de préhension, en venant en appui contre la ligne supérieure de thermoscellage 4 des parois 2a.The section of the perforating member 12 is sufficient to produce an opening of large dimensions so that any solid bodies contained in the container 2, or in the liquid which the latter contains, are not likely to come to obstruct this opening. In addition, the perforating member 12 makes it possible to channel the liquid and to stiffen the walls 2a of the container 2 at the level of the pouring opening. It can even serve, through the side walls 2a, of gripping means, coming to bear against the upper heat-sealing line 4 of the walls 2a.

L'organe perforateur 12 permet de découper nettement les parois, ainsi que cela apparaît sur la figure 4, en les repoussant en dehors de l'ouverture du goulot.The perforating member 12 allows the walls to be sharply cut, as shown in FIG. 4, by pushing them back outside the opening of the neck.

Par ailleurs, grâce à l'invention, le dispositif 3 peut être placé à un endroit quelconque de la paroi du récipient 2, dans la mesure où la cavité 20 peut être formée. Toutefois, avantageusement, ainsi que le montrent les figures 1 à 4, la cavité 20 est réalisée en repliant l'angle supérieur 5, de telle sorte que l'axe du dispositif 3 se trouve orienté parallèlement aux parois latérales 2a du récipient 2, en étant placé entre celles-ci et en étant situé sensiblement dans le prolongement du bord 6 des parois 2a.Furthermore, thanks to the invention, the device 3 can be placed anywhere on the wall of the container 2, insofar as the cavity 20 can be formed. However, advantageously, as shown in FIGS. 1 to 4, the cavity 20 is produced by folding back the upper angle 5, so that the axis of the device 3 is oriented parallel to the side walls 2a of the container 2, in being placed between them and being located substantially in the extension of the edge 6 of the walls 2a.

Ainsi, lorsque le récipient 2 est incliné en vue du versage, le liquide est guidé par les deux parois 2a et vient naturellement s'engager dans le goulot que forme le dispositif 3, sans perturbation particulière. Le dispositif 3 permet ainsi un versage précis et contrôlé, sans aucun risque de renversement.Thus, when the container 2 is inclined for pouring, the liquid is guided by the two walls 2a and naturally comes to engage in the neck formed by the device 3, without particular disturbance. The device 3 thus allows precise and controlled pouring, without any risk of overturning.

Lorsque le récipient 2 est vide, le collier 11 peut être retiré du manchon pour libérer la paroi du récipient, et le dispositif peut être réutilisé sur un autre récipient.When the container 2 is empty, the collar 11 can be removed from the sleeve to free the wall from the container, and the device can be reused on another container.

Le bouchon 16 permet de clore temporairement le goulot que constitue la paroi 18.The plug 16 temporarily closes the neck formed by the wall 18.

La figure 5 montre que, selon une variante de réalisation avantageuse, les trois pièces 10,11,12 constituant le dispositif 3 peuvent être reliées les unes aux autres par des ponts 25 de matière, l'ensemble de ces pièces 10,11,12 et ponts 25 pouvant être obtenu en une seule opération de moulage. Bien entendu, les pièces 10,11,12 peuvent être reliées entre elles trois par trois ou deux à deux. Les ponts 25 peuvent être conformés pour servir de moyens de suspension du récipient 2 lorsque le dispositif de bouchage est mis en place sur lui.Figure 5 shows that, according to an advantageous alternative embodiment, the three parts 10,11,12 constituting the device 3 can be connected to each other by bridges 25 of material, all of these parts 10,11,12 and bridges 25 obtainable in a single molding operation. Of course, the parts 10, 11, 12 can be connected together three by three or two by two. The bridges 25 can be shaped to serve as means for suspending the container 2 when the closure device is placed on it.

Les figures 6 à 11 représentent trois formes de réalisation différentes du dispositif 3 selon l'invention. Sur ces figures, les éléments déjà décrits qui se retrouvent dans ces formes de réalisation sont désignés par les mêmes références numériques, par souci de simplification.Figures 6 to 11 show three different embodiments of the device 3 according to the invention. In these figures, the elements already described which are found in these embodiments are designated by the same reference numerals, for the sake of simplification.

Les figures 6 et 7 montrent un manchon 10 équipé d'une paroi souple tubulaire 30 pouvant être retournée sur elle-même, et pouvant donc occuper alternativement la position représentée à la figure 6, où cette paroi 30 recouvre la partie 10b du manchon 10, et la position représentée à la figure 7, où elle recouvre la partie 10a de ce manchon et vient emprisonner la paroi du récipient 2 entre elle et ladite partie 10a.FIGS. 6 and 7 show a sleeve 10 fitted with a flexible tubular wall 30 which can be turned over on itself, and which can therefore alternately occupy the position shown in FIG. 6, where this wall 30 covers the part 10b of the sleeve 10, and the position shown in FIG. 7, where it covers the part 10a of this sleeve and traps the wall of the container 2 between it and said part 10a.

Cette paroi tubulaire souple 30 se substitue ainsi au collier 11 pour assurer l'emprisonnement de la paroi du récipient entre elle et le manchon 10 et appliquer étroitement cette paroi autour du manchon 10.This flexible tubular wall 30 thus replaces the collar 11 to ensure the confinement of the wall of the container between it and the sleeve 10 and tightly apply this wall around the sleeve 10.

Les figures 8 et 9 représentent un manchon 10 et un collier fendu 11 mis en place sur un récipient 2, comme cela a précédemment été décrit. Dans la forme de réalisation spécifiquement représentée, la partie 10a du manchon 10 présente une forme conique et comprend des lignes longitudinales 31 de repliage vers l'intérieur de portions de la paroi de cette partie 10a, ces lignes 31 étant régulièrement réparties sur le pourtour de cette partie 10a.Figures 8 and 9 show a sleeve 10 and a split collar 11 placed on a container 2, as previously described. In the embodiment specifically shown, part 10a of sleeve 10 has a conical shape and comprises longitudinal lines 31 of inward folding of portions of the wall of this part 10a, these lines 31 being regularly distributed around the periphery of this part 10a.

Lors de l'introduction du manchon 10 dans la cavité 20, la paroi du récipient 2 vient épouser la forme de cette partie 10a, comme le montre la figure 8. L'organe perforateur 12 vient déployer la partie 10a du manchon 10 lors de son introduction, ce qui a pour effet d'assurer, d'une part, une déchirure large des parois du récipient 2 et, d'autre part, un parfait maintien de l'organe de perforation 12 dans le manchon 10.When the sleeve 10 is introduced into the cavity 20, the wall of the container 2 conforms to the shape of this part 10a, as shown in FIG. 8. The perforating member 12 comes to deploy the part 10a of the sleeve 10 during its introduction, which has the effect of ensuring, on the one hand, a wide tear in the walls of the container 2 and, on the other hand, perfect retention of the perforating member 12 in the sleeve 10.

Les lignes 31 de repliage vers l'intérieur de portions de paroi de la partie 10a pourraient être remplacées par des lignes de moindre résistance permettant l'éclatement radial de la partie 10a lors de l'introduction de l'organe de perforation 12.The lines 31 for inward folding of wall portions of the part 10a could be replaced by lines of less resistance allowing the radial bursting of the part 10a during the introduction of the perforating member 12.

Les figures 10 et 11 représentent une quatrième forme de réalisation du dispositif 3, dans laquelle le collier d'emprisonnement de la paroi du récipient 2 entre lui et le manchon 10 est constitué par deux portions concaves 11 de branches 32, tandis que le manchon 10 est solidaire d'une branche 33 interposée entre les branches 32, les branches 32 et 33 étant articulées les unes par rapport aux autres, par exemple au moyen de charnières-films 34.Figures 10 and 11 show a fourth embodiment of the device 3, in which the collar for confining the wall of the container 2 between it and the sleeve 10 is constituted by two concave portions 11 of branches 32, while the sleeve 10 is integral with a branch 33 interposed between the branches 32, the branches 32 and 33 being articulated with respect to each other, for example by means of film hinges 34.

Dans l'exemple représenté aux figures 10 et 11, le manchon 10 et les portions concaves 11 ont une forme tronconique.In the example shown in Figures 10 and 11, the sleeve 10 and the concave portions 11 have a frustoconical shape.

En outre, les extrémités libres des branches 32 comprennent des moyens complémentaires de retenue constitués, dans cet exemple, par deux trous 35 aménagés dans l'une des branches 32 et par deux tétons épaulés 36 correspondants, aménagés dans l'autre branche 32.In addition, the free ends of the branches 32 comprise complementary retaining means constituted, in this example, by two holes 35 arranged in one of the branches 32 and by two corresponding shouldered studs 36, arranged in the other branch 32.

Comme le montre la figure 11, le manchon 10 est destiné à être engagé dans la cavité 20 formée par repliage de l'angle 5, puis les deux branches 32 sont rapprochées de l'ensemble branche 33-manchon 10 et assemblées l'une à l'autre par engagement des tétons 36 dans les trous 35, de manière à enserrer le manchon 10 et la paroi du récipient 2 entre elles.As shown in FIG. 11, the sleeve 10 is intended to be engaged in the cavity 20 formed by folding the angle 5, then the two branches 32 are brought closer to the branch 33-sleeve 10 assembly and assembled one to the other by engagement of the pins 36 in the holes 35, so as to enclose the sleeve 10 and the wall of the container 2 between them.

Claims (11)

1 - Dispositif de bouchage pour récipient à parois souples, susceptibles d'être déchirées par une action manuelle, du type comprenant une partie formant goulot apte à être fixée à la paroi du récipient et un organe permettant de perforer ladite paroi, caractérisé en ce qu'il comprend : - un manchon (10) destiné à être engagé dans une cavité (20) formée par repliage, vers l'intérieur du récipient (2), d'une partie (5) de la paroi (2a) de ce récipient (2) ; - un collier (11,30) apte à être engagé sur le manchon (10) et la paroi (2a) du récipient (2) délimitant la cavité (20) de manière à emprisonner cette paroi (2a) entre lui et le manchon (10) en appliquant étroitement cette paroi (2a) autour du manchon (10) et - un organe perforateur (12) apte à être engagé au travers du manchon (10) et à venir perforer la partie (2b) de paroi (2a) du récipient (2) se trouvant en face de l'ouverture inférieure du manchon (10). 1 - Closure device for container with flexible walls, capable of being torn by manual action, of the type comprising a neck-forming part capable of being fixed to the wall of the container and a member making it possible to perforate said wall, characterized in that 'He understands : - A sleeve (10) intended to be engaged in a cavity (20) formed by folding, towards the interior of the container (2), of a part (5) of the wall (2a) of this container (2); - A collar (11.30) capable of being engaged on the sleeve (10) and the wall (2a) of the container (2) delimiting the cavity (20) so as to trap this wall (2a) between it and the sleeve ( 10) by applying this wall (2a) tightly around the sleeve (10) and - A perforating member (12) able to be engaged through the sleeve (10) and to perforate the part (2b) of the wall (2a) of the container (2) located opposite the lower opening of the sleeve (10 ). 2 - Dispositif de bouchage selon la revendication 1, caractérisé en ce que l'organe perforateur (12) est tubulaire, dépasse nettement du manchon (10) en direction de l'intérieur du récipient (2) et peut être fixé au manchon (10), dans lequel il reste engagé au cours du versage. 2 - Corking device according to claim 1, characterized in that the perforating member (12) is tubular, clearly protrudes from the sleeve (10) towards the interior of the container (2) and can be fixed to the sleeve (10 ), in which it remains engaged during the pouring. 3 - Dispositif de bouchage selon l'une des revendications 1 ou 2, caractérisé en ce que l'organe perforateur (12) est tubulaire et se prolonge, du côté opposé au récipient (2), par une paroi tubulaire (18) formant goulot, avantageusement conformée pour recevoir un moyen de fermeture (16) tel qu'un bouchon. 3 - Corking device according to one of claims 1 or 2, characterized in that the perforating member (12) is tubular and is extended, on the side opposite to the container (2), by a tubular wall (18) forming a neck , advantageously shaped to receive a closing means (16) such as a plug. 4 - Dispositif de bouchage selon l'une des revendications 1 à 3, caractérisé en ce que les pièces (10,11,12) qui le constituent sont reliées les unes aux autres par des ponts (25) de matière, l'ensemble de ces pièces (10,11,12) et ponts (25) pouvant être obtenu en une seule opération de moulage. 4 - Corking device according to one of claims 1 to 3, characterized in that the parts (10,11,12) which constitute it are connected to each other by bridges (25) of material, the assembly of these parts (10,11,12) and bridges (25) obtainable in a single molding operation. 5 - Dispositif de bouchage selon la revendication 1, caractérisé en ce que le collier est constitué par une paroi souple tubulaire (30) pouvant être retournée sur elle-même. 5 - Corking device according to claim 1, characterized in that the collar is constituted by a flexible tubular wall (30) which can be turned over on itself. 6 - Dispositif de bouchage selon l'une des revendications 1 à 5, caractérisé en ce que le manchon (10) présente une forme conique et comprend des lignes longitudinales (31) de repliage vers l'intérieur de portions de la paroi de ce manchon (10), ces lignes (31) étant régulièrement réparties sur le pourtour de cette pièce. 6 - Corking device according to one of claims 1 to 5, characterized in that the sleeve (10) has a conical shape and comprises longitudinal lines (31) for inward folding of portions of the wall of this sleeve (10), these lines (31) being regularly distributed around the periphery of this part. 7 - Dispositif de bouchage selon la revendication 1, caractérisé en ce que le collier (11) est formé par deux portions concaves de branches (32) et en ce que le manchon (10) est solidaire d'une branche (33) interposée entre les branches (32), les branches (32,33) étant articulées les unes par rapport aux autres. 7 - Corking device according to claim 1, characterized in that the collar (11) is formed by two concave portions of branches (32) and in that the sleeve (10) is integral with a branch (33) interposed between the branches (32), the branches (32,33) being articulated with respect to each other. 8 - Dispositif de bouchage selon l'une des revendications 1 à 7, caractérisé en ce que l'organe perforateur (12) dépasse nettement du manchon (10) en direction de l'intérieur du récipient (2) lorsqu'il est engagé dans le manchon (10), de manière à rigidifier les parois du récipient au niveau de l'ouverture de versage et/ou de manière à constituer, au travers des parois latérales du récipient (2), un moyen de préhension du récipient (2) en venant en appui contre la ligne supérieure de thermoscellage des parois latérales de celui-ci. 8 - Corking device according to one of claims 1 to 7, characterized in that the perforating member (12) clearly protrudes from the sleeve (10) towards the interior of the container (2) when it is engaged in the sleeve (10), so as to stiffen the walls of the container at the pouring opening and / or so as to constitute, through the side walls of the container (2), a means for gripping the container (2) coming to bear against the upper heat-sealing line of the side walls thereof. 9 - Dispositif de bouchage selon la revendication 4, caractérisé en ce qu'au moins un des ponts (25) de matière est conformé pour servir de moyen de suspension du récipient (2) lorsque le dispositif est mis en place sur celui-ci. 9 - Corking device according to claim 4, characterized in that at least one of the bridges (25) of material is shaped to serve as a means of suspending the container (2) when the device is placed on it. 10 - Dispositif de bouchage selon l'une des revendications 1 à 9, caractérisé en ce le manchon (10) et le collier (11) sont conformés pour permettre de parfaitement saisir le récipient (2) d'une main pendant que l'on manoeuvre l'organe perforateur (12) de l'autre main. 10 - Corking device according to one of claims 1 to 9, characterized in that the sleeve (10) and the collar (11) are shaped to allow to perfectly grip the container (2) with one hand while one operates the perforating member (12) with the other hand. 11 - Dispositif de bouchage selon l'une des revendications 1 à 10, caractérisé en ce qu'il est conformé pour pouvoir être placé à un endroit quelconque de la paroi du récipient (2). 11 - Corking device according to one of claims 1 to 10, characterized in that it is shaped to be able to be placed at any location on the wall of the container (2).
EP95420082A 1994-03-29 1995-03-29 Sealing device for flexible walled container Withdrawn EP0675050A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9404071A FR2718113B1 (en) 1994-03-29 1994-03-29 Closing device for container with flexible walls.
FR9404071 1994-03-29

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EP0675050A1 true EP0675050A1 (en) 1995-10-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000817A1 (en) * 1995-06-21 1997-01-09 Elopak Systems Ag Pouring device for a container
WO1999002423A1 (en) * 1997-07-08 1999-01-21 Farid El Massioui Fluid package with self-contained straw
DE102004028758A1 (en) * 2004-06-16 2006-01-05 Georg Menshen Gmbh & Co. Kg Container with spout
WO2012047143A1 (en) * 2010-10-05 2012-04-12 Lindén International AB Sealing arrangement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146438B (en) * 1960-05-14 1963-03-28 Neumalin Fabrik A W Neumann Process for welding a withdrawal mouthpiece onto a bulging plastic pack
US3128913A (en) * 1964-04-14 Container spout having its outlet passage sealed by
DE9217062U1 (en) * 1992-08-04 1993-02-25 Cho, Conling, Taichung, Tw

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128913A (en) * 1964-04-14 Container spout having its outlet passage sealed by
DE1146438B (en) * 1960-05-14 1963-03-28 Neumalin Fabrik A W Neumann Process for welding a withdrawal mouthpiece onto a bulging plastic pack
DE9217062U1 (en) * 1992-08-04 1993-02-25 Cho, Conling, Taichung, Tw

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000817A1 (en) * 1995-06-21 1997-01-09 Elopak Systems Ag Pouring device for a container
WO1999002423A1 (en) * 1997-07-08 1999-01-21 Farid El Massioui Fluid package with self-contained straw
DE102004028758A1 (en) * 2004-06-16 2006-01-05 Georg Menshen Gmbh & Co. Kg Container with spout
WO2012047143A1 (en) * 2010-10-05 2012-04-12 Lindén International AB Sealing arrangement
CN103328338A (en) * 2010-10-05 2013-09-25 林登国际股份有限公司 Sealing arrangement
US8807401B2 (en) 2010-10-05 2014-08-19 Lindén International AB Sealing arrangement
CN103328338B (en) * 2010-10-05 2015-11-25 林登国际股份有限公司 Water-tight equipment

Also Published As

Publication number Publication date
FR2718113B1 (en) 1996-06-07
FR2718113A1 (en) 1995-10-06

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