EP1091879B1 - Closure with perforating means and pouring nozzle - Google Patents

Closure with perforating means and pouring nozzle Download PDF

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Publication number
EP1091879B1
EP1091879B1 EP99922231A EP99922231A EP1091879B1 EP 1091879 B1 EP1091879 B1 EP 1091879B1 EP 99922231 A EP99922231 A EP 99922231A EP 99922231 A EP99922231 A EP 99922231A EP 1091879 B1 EP1091879 B1 EP 1091879B1
Authority
EP
European Patent Office
Prior art keywords
flap
base
packaging
neck
pack
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.)
Expired - Lifetime
Application number
EP99922231A
Other languages
German (de)
French (fr)
Other versions
EP1091879A1 (en
Inventor
Claude Benoit-Gonin
Jean-Yves Rognard
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.)
Crown Packaging Technology Inc
Original Assignee
Crown Cork and Seal Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Crown Cork and Seal Technologies Corp filed Critical Crown Cork and Seal Technologies Corp
Publication of EP1091879A1 publication Critical patent/EP1091879A1/en
Application granted granted Critical
Publication of EP1091879B1 publication Critical patent/EP1091879B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/106—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures with devices for removing frangible parts of the pouring element or of its closure

Definitions

  • the present invention relates to a device allowing to open and close a packaging. She is more particularly intended for packaging called commonly bricks and which are made using composite sheets comprising in particular a layer of cardboard and a layer of aluminum.
  • One method of opening such packages is simply unfold a corner of this package and, by providing for example with scissors, to cut a point of so as to make an opening. We thus realized a opening in the packaging but it is difficult to close tightly.
  • a closure device generally comprising a base attached to the packaging and surrounding the opening as well as a hinged cover on this base and cooperating with this so as to achieve a tight closure comes take place at the cutout.
  • the document EP-0 291 112 describes a device for closure linked to the upper wall of a package.
  • This device comprises a base and an attached movable part at the base, preferably using a hinge.
  • the base has an opening fitted with a spout and a rim surrounding the opening.
  • the device is intended for be put in place by pushing the edge of the base to through a premarked or precut opening in the upper wall of the packaging. So the closure described in this European document is not related to the packaging before the first opening.
  • Document WO-90/09928 describes a device used to open and close a package. These measures includes a base that attaches to the top of the packaging above a precut area. A lever is pivotally connected to the base in such a way that when you rotate this lever, a portion of it lever enters the pre-cut part of the packaging. During this maneuver, another portion of the lever is place above the open part of the packaging of so as to form a spout. A removable cover is designed to be placed above the lever portion serving as a spout. So we can open and close the packaging by removing this cover.
  • the device comprises a base having an opening and a flange intended to marry the packaging wall, preferably the upper wall and to allow fixing for example by gluing the base on the packaging, the base being provided with a threaded neck surrounding its opening.
  • the device further comprises means cooperating with the base for allow the packaging to be closed after its first opening. These means include a plug having a outer skirt fitted with at least one inner net intended to cooperate with the threaded neck.
  • This device requires the realization of a pre-cut on a wall of the packaging and request correct positioning of the device allowing the opening and closing of the packaging relative to this precut.
  • the sealing achieved using of a cover snapping onto a base is not as good as the seal that you get with a screw cap.
  • the object of the present invention is therefore to provide a device for opening and closing a packaging, in particular packaging made of a material composite comprising for example cardboard and aluminum, which requires neither the presence of an opening in this packaging or the presence of a precut, and which allows excellent closure of the packaging after first opening. This reclosure will be done using a screw cap.
  • the device according to the invention will advantageously present means inviolability. Thus, it will be possible to detect the first opening of the packaging.
  • a shutter presenting cutting parts on its face intended to be turned towards the packaging, is pivotally mounted in the neck between a initial position in which it is inside of the neck and a pivoted position in which it is intended to be at least partially inside packaging, and the chimney associated with the means, cooperating with the base to allow closure of the packaging after its first opening, presents a diameter and height such as a complete screwing of the plug on the threaded neck allows parts to be pushed cutting the shutter through the wall of the packaging.
  • the device according to the invention therefore allows a hand to open the packaging without the need to provide a precut on the packaging and other share to close the packaging perfectly thanks to the presence of a screw cap.
  • the cap allows, in a conventional manner, to ensure closure and opening the package, like a bottle.
  • the latter is advantageously, in its initial position, substantially parallel to the flange opening and the parts the shutter are designed to be flush with the wall of packaging. In this way, as soon as the shutter is moved towards the packaging wall, the cutting parts attack this wall.
  • the component comprises a rib on its face opposite to the face comprising the cutting parts and on the side opposite the axis of pivoting of the flap, so that when the cap, the chimney comes first in contact with the rib.
  • the effort transmitted by the chimney or similar to the cap is first transmitted to the cutting parts opposite the axis of pivoting. All this effort is therefore exerted the farthest possible from this axis, thus creating a torque maximum on the flap at the start of the movement of pivoting.
  • This is interesting, because it is precisely at beginning of the cutting of the packaging wall that the resistance to penetration is the most important.
  • the presence of this rib allows to focus the effort on only part of the cutting means and not to distribute it over all these means. This optimizes also, from the point of view of the axial force to be exerted, the distribution of efforts.
  • the shutter is as close as possible to the wall of the package and is one piece with the base, it is advantageously fixed on the face inner neck of the base by a hinge film.
  • a such part can be for example made by molding of a synthetic material.
  • the cutting parts of the flap are teeth pointed.
  • the base of the threaded neck is provided with snap-in means allowing maintenance of the flap in its open position.
  • the component does not risk thus to close again when pouring product out of packaging.
  • the device according to the invention is such that the skirt of the cap has a ring at its free end inviolability.
  • This embodiment is particularly well suited to this device.
  • the ring tamper-evident is connected to the cap skirt by a tearable area. The screwing of the cap on the neck of the basis is thus done without risk of dissociation.
  • One embodiment provides that the ring tamper-evident has inverted tabs.
  • the threaded neck of the base preferably has a peripheral groove cutting the threads of its thread.
  • the threaded neck is preferably mounted so asymmetrical on the base flange.
  • FIG. 1 shows part of a package 2, provided on its upper face with a device according to the invention.
  • This packaging is parallelepiped. It is made of two rectangular sheets of material composite, comprising in particular a layer of cardboard and a layer of aluminum, welded together and folded so as to form a parallelepiped.
  • This guy packaging is known and is commonly used for packaging of food products, especially drinks.
  • the device according to the invention comprises a base 4 and a cap 6. It is fixed on the packaging 2 using an adhesive joint 8.
  • the base 4 has a flange 10 of planar shape rectangular and in which an opening is made circular 12.
  • One face of the flange 10 is planar and is intended to come to marry the shape of the upper face of packaging. It attaches to the latter using the joint glue 8.
  • a circular cylindrical neck 14 extends around the opening 12 on the side of the flange 10 opposite the glue joint 8.
  • the neck 14 is threaded on its outer face. he comprises for example three nets 16 which stop at level of the flange 10. These threads 16 are interrupted at one given height, near flange 10, by a groove peripheral 18. The function of this groove 18 is explained below.
  • the upper edge 20 of the neck 14 is made of so that it allows to pour a liquid cleanly leaving the packaging and passing inside the neck 14.
  • a flap 22 is arranged in the neck 14, parallel to the flange 10 and near the opening 12.
  • This flap 22 is pivotally mounted around a film hinge 24 placed on the inside wall of the neck 14.
  • a breakable bridge 26 is provided opposite of the hinge 24. This bridge 26 connects the flap to the wall inside of collar 14.
  • the shape of the flap 22 is particularly visible on the Figure 7 where it is shown in top view. Its shape general is circular. On the side of the film 24 hinge, recesses 28 are made so that the flap 22 has edges 30 substantially perpendicular to the film hinge 24.
  • the flap 22 On the packaging side 2, the flap 22 has a set of sharp, cutting teeth 32. These teeth 32 are arranged at the periphery of the flap 22, except in the area of the recesses 28. The tips of the teeth 32 are flush with the surface of the package 2, or else are very close to the latter.
  • the flap 22 On the side opposite the packaging 2, that is to say towards the plug 6, the flap 22 has a rib 34 projecting perpendicular to the plane of the flap. The height of this rib 34 is maximum opposite the film hinge 24 and decreases when approaching the latter.
  • the plug 6 has a bottom 36, a skirt 38, a first chimney 40, a second chimney 42 and a inviolability belt 44.
  • the skirt 38 extends around the periphery of the bottom 36. It has threads on its inner face 46 intended to cooperate with the threads 16 of the neck 14. We so find as many threads 46 on the skirt of the cap that of nets 16 on the neck 14. In the present example, so there are three nets 46.
  • the height of the skirt 38 roughly corresponds to the height of the neck 14 ( Figure 5). It is very slightly higher, so that when fully screwed in, the stop is made at the bottom of skirt 38 and flange 10 and not at the level upper edge 20 of neck 14 and bottom 36.
  • the first chimney 40 is intended to ensure the sealing of the plug 6. Its outer surface comes cooperate with the inner surface of the neck 14, at the level the upper edge 20 to achieve, in known manner, a seal. To guarantee a perfect seal, it is possible to provide a slightly larger diameter for the outer surface of the first chimney 40 only for the inside diameter of the neck 14.
  • the second chimney 42 is larger than the first 40. Its height is of the same order of magnitude as that of the skirt 38. Its diameter is less than that of the first chimney 40 and corresponds substantially to the diameter of the flap 22 with which it is intended to cooperate.
  • the second chimney 42 On its outer face, the second chimney 42 has, near its free edge, a rod 48.
  • the tamper-evident belt 44 is connected to the lower edge, that is to say opposite to the bottom 36, of the skirt 38. The connection is made by a tearable zone 50.
  • the tamper-evident belt 44 shown in FIGS. 1 7 has on its inner surface a rod 52.
  • Figure 8 shows an alternative embodiment of the inviolability belt 44.
  • the tamper-evident belt has, on its inner face, tabs 54. These are attached to the tamper-evident belt by its edge free opposite the tearable zone 50 and are folded towards the interior, so as to form an acute angle with the inviolability belt.
  • the ends of the tabs 54 during a first screwing of the cap on the neck 14, come to bear against the belt 44 during the passage on the threads 16, then when the belt tamper evident 44 abuts on the flange 10, the free ends of the tongues 54, by elasticity, are housed in the peripheral groove 18.
  • the tamper-evident belt 44 has a gripping tab 56.
  • the gripping tab 56 is grasped by the gripping tab 56 and to pull it to cause the tear-off zone to be torn 50 and therefore the separation of the tamper-evident ring 44 from the skirt 38.
  • FIGS. 1, 6 and 7 it can be seen that the opening 12 is not centered relative to the flange 10. This makes it possible to identify the position of the film hinge 24 even when the cap 6 is screwed onto the base 4
  • the opening 12, and therefore also the neck 14, is equidistant from the large edges of the flange 10 but is closer to one small edge than the other.
  • the hinge 24 is on the side of a wall of the packaging.
  • the device according to the invention comprises, as already indicated, three pieces.
  • the base 4 and the plug 6 are for example molded parts obtained by molding by injection of a synthetic material. After molding and demoulding, the cap 6 is screwed on the base 4, until that the tamper-evident ring 44 abuts against the flange 10.
  • the device is glued to the packaging 2 using of the adhesive joint 8.
  • the flange 10 then comes to marry the corresponding wall of the packaging and ensuring the connection between the device according to the invention and the packaging 2 ( Figures 1 and 3).
  • the tamper-evident belt 44 is removed by grasping the tab 56 and tearing the tearable zone 50 over the entire periphery of the skirt 38. It therefore becomes possible to screw the plug 6 more fully onto the neck 14 of the base 4.
  • the free end of the second chimney 42 comes into contact with the rib 34 produced on the flap 22 (FIG. 4).
  • the trigger guard 26 is broken, the flap begins to pivot around the film hinge 24 and the teeth 32 come to attack the wall of the package 2.
  • the presence of the rib 34 of unequal height makes it possible to first press the teeth 32 located opposite the film hinge 24. A relatively high torque is therefore transmitted to the flap 22. This facilitates its opening.
  • the flap 22 continues to pivot until it reaches the position shown in Figures 5 and 6, where the flap 22 has rotated 90 ° from its initial position and is completely open.
  • the cutting of the wall of the packaging is done gradually.
  • the couple exerted on the flap decreases but at the same time, the resistance exerted by the wall decreases.
  • the part of the flap closest to the film hinge 24 is housed in a recess 58 of suitable shape made in the inner wall of the neck 14.
  • a recess 58 of suitable shape made in the inner wall of the neck 14.
  • two flanges 60 having for example each one a hook shape under which comes snap an edge 30 of the flap 22. The latter is then maintained in open position, despite elastic forces exerted by the cut wall of the package and which tend to return the flap to its position original.
  • Most of the shutter is located at inside the package 2.
  • the plug 6 can be unscrewed and screwed back without the shutter 22 moving.
  • the flap 22 opens against a wall of the packaging.
  • the consumer screws the cap the first time after removing a possible tamper-evident ring.
  • the operation is then the same as with a classic bottle with a screw cap: unscrew the cap to open the packaging and screw it back to close it.
  • the device according to the invention described above has many advantages. It can be set up on a packaging before first use. It's not not the consumer who places this device on packaging.
  • the described embodiment allows a low overall height.
  • the size is the same for the same opening diameter as with a classic cap adapted on a bottle.
  • the opening device does not disturb the flow liquid coming out of the package.
  • the device according to the invention also has an inviolability which makes it possible to detect a first opening the packaging.
  • the flap could have a different shape, for example in shape of a triangle, and be arranged differently in the device. It could for example be already tilted when the cutting parts attack the wall of packaging rather than being substantially parallel to this wall.
  • the presence of the flange on the flap is optional. It allows a progressive attack of the packaging wall. We can also consider an attack simultaneously over the entire cutting contour, but we can also have cutting parts of heights different to have a "progressive" attack.
  • Pointed teeth could be replaced, possibly partially replaced, by others cutting means such as, for example, blades.
  • Fixing the flap on the inside collar through a film hinge allows have only one piece to form the base and the flap and obtain this part by molding, for example by pressure molding of a synthetic material.

Abstract

The invention concerns a device comprising: a base (4) with a flange (10) matching the package wall shape for fixing the base (4). Said base has an opening (12) and is provided with a threaded neck (14) enclosing it; a flap (22), with cutting parts (32) on its surface facing the package, and mounted pivoting in the neck between a position inside the neck (14) and a position wherein it is partly inside the package (2); a top (6), co-operating with the base (4), having an outer skirt (38) provided with at least one internal thread (46) and a vent (42) such that when the top (6) is wholly screwed on the threaded neck (14) the flap (22) cutting parts (32) are thrust through the package (2) wall.

Description

La présente invention concerne un dispositif permettant d'ouvrir et de refermer un emballage. Elle est plus particulièrement destinée aux emballages appelés couramment briques et qui sont réalisés à l'aide de feuilles composites comportant notamment une couche de carton et une couche d'aluminium.The present invention relates to a device allowing to open and close a packaging. She is more particularly intended for packaging called commonly bricks and which are made using composite sheets comprising in particular a layer of cardboard and a layer of aluminum.

Le type d'emballage précité est souvent utilisé car il présente de nombreux avantages par rapport à des bouteilles de verre ou de matière synthétique. En effet, ces emballages ont souvent une forme parallélépipédique, ce qui permet un stockage optimal sans perte de place. De plus, ces emballages permettent une très bonne conservation pour les produits alimentaires.The above type of packaging is often used because it has many advantages over glass or synthetic bottles. Indeed, these packages often have a parallelepiped shape, which allows optimal storage without loss of space. Of more, these packaging allow a very good conservation for food products.

Toutefois, des problèmes se posent lorsque l'on souhaite équiper un tel emballage d'un dispositif permettant à la fois son ouverture et aussi sa fermeture.However, problems arise when wishes to equip such packaging with a device allowing both its opening and also its closing.

Un procédé pour ouvrir de tels emballages consiste simplement à déplier un coin de cet emballage et, en se munissant par exemple de ciseaux, de couper une pointe de manière à réaliser une ouverture. On a ainsi réalisé une ouverture dans l'emballage mais il est difficile de la refermer de manière étanche.One method of opening such packages is simply unfold a corner of this package and, by providing for example with scissors, to cut a point of so as to make an opening. We thus realized a opening in the packaging but it is difficult to close tightly.

Il est aussi connu de réaliser une ouverture dans l'emballage et de munir celle-ci d'un dispositif de fermeture. Une découpe est alors réalisée dans une paroi de l'emballage, de préférence la paroi supérieure. Un dispositif de fermeture comportant généralement une base fixée sur l'emballage et entourant l'ouverture ainsi qu'un couvercle articulé sur cette base et venant coopérer avec celle-ci de manière à réaliser une fermeture étanche vient prendre place au niveau de la découpe. Pour conserver à l'emballage ses qualités de bonne conservation de produits alimentaires, dues notamment à la présence d'une couche d'aluminium à l'intérieur de l'emballage, on vient coller, de manière pelable, une languette en aluminium sur l'ouverture réalisée. Ainsi, pour ouvrir l'emballage, il suffit d'ouvrir le couvercle, en le faisant pivoter sur la base, et de retirer la languette collée et réalisée dans une feuille d'aluminium. En refermant le couvercle sur la base, on réalise ainsi une fermeture relativement étanche.It is also known to make an opening in packaging and provide it with a closing. A cut is then made in a wall packaging, preferably the top wall. A closure device generally comprising a base attached to the packaging and surrounding the opening as well as a hinged cover on this base and cooperating with this so as to achieve a tight closure comes take place at the cutout. To keep at packaging its qualities of good conservation of products food, due in particular to the presence of a layer aluminum inside the packaging, we just stick, peelable, an aluminum tab on the opening made. So, to open the package, it just open the cover, turning it on the base, and remove the glued tab made in aluminum foil. By closing the cover on the base, a relatively tight closure is thus produced.

Un inconvénient de ce dispositif est qu'il oblige à réaliser une ouverture dans l'emballage créant ainsi une solution de continuité dans la paroi protégeant le produit conditionné dans cet emballage. Ce dernier comporte alors un point faible au niveau de cette ouverture. De plus, la mise en place de ce dispositif sur un emballage demande de nombreuses précautions et une grande précision, notamment lorsqu'il s'agit de mettre en place la languette réalisée dans une feuille en aluminium.One drawback of this device is that it forces to make an opening in the packaging thus creating a continuity solution in the wall protecting the product packed in this package. The latter then comprises a weak point at this opening. In addition, the installation of this device on a packaging request for numerous precautions and great precision, in particular when it comes to putting in place the tongue made in aluminum foil.

Le document EP- 0 291 112 décrit un dispositif de fermeture lié à la paroi supérieure d'un emballage. Ce dispositif comprend une base et une partie mobile attachée à la base, de préférence à l'aide d'une charnière. La base est munie d'une ouverture équipée d'un bec verseur et d'un rebord entourant l'ouverture. Le dispositif est destiné à être mis en place en poussant le rebord de la base à travers une ouverture prémarquée ou prédécoupée dans la paroi supérieure de l'emballage. Ainsi, le dispositif de fermeture décrit dans ce document européen n'est pas relié à l'emballage avant la première ouverture.The document EP-0 291 112 describes a device for closure linked to the upper wall of a package. This device comprises a base and an attached movable part at the base, preferably using a hinge. The base has an opening fitted with a spout and a rim surrounding the opening. The device is intended for be put in place by pushing the edge of the base to through a premarked or precut opening in the upper wall of the packaging. So the closure described in this European document is not related to the packaging before the first opening.

Le document WO-90/09928 décrit un dispositif servant à ouvrir et à refermer un emballage. Ce dispositif comprend une base qui se fixe à la partie supérieure de l'emballage au-dessus d'une zone prédécoupée. Un levier est relié de manière pivotante à la base de telle manière que lorsque l'on fait pivoter ce levier, une portion de ce levier pénètre dans la partie prédécoupée de l'emballage. Lors de cette manoeuvre, une autre portion du levier se place au-dessus de la partie ouverte de l'emballage de manière à former un bec-verseur. Un couvercle amovible est prévu pour se placer au-dessus de la portion du levier servant de bec-verseur. Ainsi, on peut ouvrir et refermer l'emballage en enlevant ce couvercle.Document WO-90/09928 describes a device used to open and close a package. These measures includes a base that attaches to the top of the packaging above a precut area. A lever is pivotally connected to the base in such a way that when you rotate this lever, a portion of it lever enters the pre-cut part of the packaging. During this maneuver, another portion of the lever is place above the open part of the packaging of so as to form a spout. A removable cover is designed to be placed above the lever portion serving as a spout. So we can open and close the packaging by removing this cover.

De même, la demande WO-96/l185 décrit un dispositif permettant d'ouvrir et de fermer un emballage. Selon cette demande, le dispositif comporte une base présentant une ouverture et un flasque destinés à épouser la paroi de l'emballage de préférence la paroi supérieure et à permettre la fixation par exemple par collage de la base sur l'emballage, la base étant munie d'un col fileté entourant son ouverture. Selon ce document, le dispositif comprend en outre des moyens coopérant avec la base pour permettre une fermeture de l'emballage après sa première ouverture. Ces moyens comportent un bouchon présentant une jupe extérieure munie d'au moins - un filet intérieur destiné à coopérer avec le col fileté.Similarly, application WO-96/1185 describes a device for opening and closing a package. According to this request, the device comprises a base having an opening and a flange intended to marry the packaging wall, preferably the upper wall and to allow fixing for example by gluing the base on the packaging, the base being provided with a threaded neck surrounding its opening. According to this document, the device further comprises means cooperating with the base for allow the packaging to be closed after its first opening. These means include a plug having a outer skirt fitted with at least one inner net intended to cooperate with the threaded neck.

Ce dispositif nécessite la réalisation d'une prédécoupe au niveau d'une paroi de l'emballage et demande un juste positionnement du dispositif permettant l'ouverture et la fermeture de l'emballage par rapport à cette prédécoupe. En outre, l'étanchéité réalisée à l'aide d'un couvercle venant s'encliqueter sur une base n'est pas aussi bonne que l'étanchéité que l'on obtient avec un bouchon vissé.This device requires the realization of a pre-cut on a wall of the packaging and request correct positioning of the device allowing the opening and closing of the packaging relative to this precut. In addition, the sealing achieved using of a cover snapping onto a base is not as good as the seal that you get with a screw cap.

La présente invention a alors pour but de fournir un dispositif permettant d'ouvrir et de refermer un emballage, notamment un emballage réalisé dans un matériau composite comprenant par exemple du carton et de l'aluminium, qui nécessite ni la présence d'une ouverture dans cet emballage ni la présence d'une prédécoupe, et qui permet une excellente fermeture de l'emballage après sa première ouverture. Cette refermeture se fera à l'aide d'un bouchon vissé. Le dispositif selon l'invention présentera de manière avantageuse des moyens d'inviolabilité. Ainsi, il sera possible de détecter la première ouverture de l'emballage.The object of the present invention is therefore to provide a device for opening and closing a packaging, in particular packaging made of a material composite comprising for example cardboard and aluminum, which requires neither the presence of an opening in this packaging or the presence of a precut, and which allows excellent closure of the packaging after first opening. This reclosure will be done using a screw cap. The device according to the invention will advantageously present means inviolability. Thus, it will be possible to detect the first opening of the packaging.

À cet effet, le dispositif permettant d'ouvrir et de fermer un emballage proposé par l'invention, comportant :

  • une base présentant une ouverture et un flasque destiné à épouser la paroi de l'emballage, de préférence sa paroi supérieure, et à permettre la fixation, par exemple par collage, de la base sur l'emballage, la base étant munie d'un col fileté entourant son ouverture,
  • des moyens, coopérant avec la base pour permettre une fermeture de l'emballage après sa première ouverture, ces moyens comportant un bouchon présentant une jupe extérieure munie d'au moins un filet intérieur destiné à coopérer avec le col fileté, ainsi qu'une cheminée, ou similaire, s'étendant parallèlement à la jupe.
To this end, the device for opening and closing a package proposed by the invention, comprising:
  • a base having an opening and a flange intended to match the wall of the packaging, preferably its upper wall, and to allow the fixing, for example by gluing, of the base on the packaging, the base being provided with a threaded collar surrounding its opening,
  • means, cooperating with the base to allow the packaging to be closed after its first opening, these means comprising a plug having an outer skirt provided with at least one internal thread intended to cooperate with the threaded neck, as well as a chimney , or the like, extending parallel to the skirt.

Selon l'invention, un volet, présentant des parties coupantes sur sa face destinée à être tournée vers l'emballage, est monté pivotant dans le col entre une position initiale dans laquelle il se trouve à l'intérieur du col et une position pivotée dans laquelle il est destiné à se trouver au moins partiellement à l'intérieur de l'emballage, et la cheminée associée aux moyens, coopérant avec la base pour permettre une fermeture de l'emballage après sa première ouverture, présente un diamètre et une hauteur tels qu'un vissage complet du bouchon sur le col fileté permette de pousser les parties coupantes du volet à travers la paroi de l'emballage.According to the invention, a shutter, presenting cutting parts on its face intended to be turned towards the packaging, is pivotally mounted in the neck between a initial position in which it is inside of the neck and a pivoted position in which it is intended to be at least partially inside packaging, and the chimney associated with the means, cooperating with the base to allow closure of the packaging after its first opening, presents a diameter and height such as a complete screwing of the plug on the threaded neck allows parts to be pushed cutting the shutter through the wall of the packaging.

Le dispositif selon l'invention permet donc d'une part d'ouvrir l'emballage sans qu'il soit nécessaire de prévoir une prédécoupe au niveau de l'emballage et d'autre part de refermer parfaitement l'emballage grâce à la présence d'un bouchon à vis.The device according to the invention therefore allows a hand to open the packaging without the need to provide a precut on the packaging and other share to close the packaging perfectly thanks to the presence of a screw cap.

Pour ouvrir l'emballage, il suffit de visser à fond le bouchon de manière à ce que la cheminée, ou similaire, vienne appuyer sur le volet et fasse pénétrer les parties coupantes dans la paroi de l'emballage. Il faut prévoir une course suffisante de la cheminée pour provoquer une ouverture dans la paroi de l'emballage qui permette un écoulement du produit conditionné dans l'emballage. Après la première ouverture, le bouchon permet, de manière classique, d'assurer la fermeture et l'ouverture de l'emballage, comme pour une bouteille.To open the packaging, just screw on melts the plug so that the chimney, or similar, come and press the shutter and let it penetrate the cutting parts in the packaging wall. he sufficient travel of the chimney must be provided for cause an opening in the wall of the package which allows a flow of the conditioned product in packaging. After the first opening, the cap allows, in a conventional manner, to ensure closure and opening the package, like a bottle.

Pour optimiser la course du volet, ce dernier est avantageusement, dans sa position initiale, sensiblement parallèle à l'ouverture du flasque et les parties coupantes du volet sont destinées à affleurer la paroi de l'emballage. De cette manière, dès que le volet est déplacé en direction de la paroi de l'emballage, les parties coupantes viennent attaquer cette paroi.To optimize the flap stroke, the latter is advantageously, in its initial position, substantially parallel to the flange opening and the parts the shutter are designed to be flush with the wall of packaging. In this way, as soon as the shutter is moved towards the packaging wall, the cutting parts attack this wall.

De manière préférentielle, le volet comporte une nervure sur sa face opposée à la face comportant les parties coupantes et sur le côté opposé à l'axe de pivotement du volet, de telle sorte que lors du vissage du bouchon, la cheminée vienne en premier lieu en contact avec la nervure. De cette façon, l'effort transmis par la cheminée ou similaire au bouchon est tout d'abord transmis aux parties coupantes se trouvant à l'opposé de l'axe de pivotement. Tout cet effort s'exerce donc le plus loin possible de cet axe, créant ainsi un couple de rotation maximum sur le volet à l'amorce du mouvement de pivotement. Ceci est intéressant, car c'est justement au début du découpage de la paroi de l'emballage que la résistance à la pénétration est la plus importante. De plus, la présence de cette nervure permet de concentrer l'effort sur une partie seulement des moyens coupants et de ne pas le répartir sur tous ces moyens. Ceci optimise aussi, du point de vue de l'effort axial à exercer, la répartition des efforts.Preferably, the component comprises a rib on its face opposite to the face comprising the cutting parts and on the side opposite the axis of pivoting of the flap, so that when the cap, the chimney comes first in contact with the rib. In this way, the effort transmitted by the chimney or similar to the cap is first transmitted to the cutting parts opposite the axis of pivoting. All this effort is therefore exerted the farthest possible from this axis, thus creating a torque maximum on the flap at the start of the movement of pivoting. This is interesting, because it is precisely at beginning of the cutting of the packaging wall that the resistance to penetration is the most important. Of more, the presence of this rib allows to focus the effort on only part of the cutting means and not to distribute it over all these means. This optimizes also, from the point of view of the axial force to be exerted, the distribution of efforts.

Pour que le volet se trouve au plus près de la paroi de l'emballage et ne forme qu'une seule pièce avec la base, il est avantageusement fixé sur la face intérieure du col de la base par un film charnière. Une telle pièce peut être par exemple réalisée par moulage d'une matière synthétique.So that the shutter is as close as possible to the wall of the package and is one piece with the base, it is advantageously fixed on the face inner neck of the base by a hinge film. A such part can be for example made by molding of a synthetic material.

Dans une forme de réalisation du dispositif selon l'invention, les parties coupantes du volet sont des dents pointues.In one embodiment of the device according to the invention, the cutting parts of the flap are teeth pointed.

De manière avantageuse, la base du col fileté est munie de moyens d'encliquetage permettant un maintien du volet dans sa position ouverte. Le volet ne risque pas ainsi de se refermer lorsqu'on verse du produit hors de l'emballage.Advantageously, the base of the threaded neck is provided with snap-in means allowing maintenance of the flap in its open position. The component does not risk thus to close again when pouring product out of packaging.

Dans une forme de réalisation préférentielle, le dispositif selon l'invention est tel que la jupe du bouchon est munie à son extrémité libre d'une bague d'inviolabilité. Cette forme de réalisation est particulièrement bien adaptée au présent dispositif. En effet, on peut prévoir une bague d'inviolabilité dont la hauteur correspond à la course axiale du bouchon nécessaire pour ouvrir correctement l'emballage. Ainsi, on place avant la première ouverture le bouchon sur le col fileté en le vissant jusqu'à ce que la bague d'inviolabilité vienne en butée contre le flasque de la base. La dimension de la cheminée, ou similaire, est déterminée pour que dans cette position, elle vienne affleurer le volet. Une fois la bague d'inviolabilité retirée, il suffit de visser le bouchon jusqu'à ce que le bord libre de la jupe vienne en butée contre le flasque de la base pour être sûr que l'emballage est bien ouvert.In a preferred embodiment, the device according to the invention is such that the skirt of the cap has a ring at its free end inviolability. This embodiment is particularly well suited to this device. In Indeed, one can provide a tamper-evident ring whose height corresponds to the axial travel of the plug necessary to properly open the package. So, we place the cap on the neck before the first opening threaded by screwing it until the ring of inviolability comes into abutment against the flange of the based. The size of the chimney, or similar, is determined that in this position she would come flush with the shutter. Once the tamper-evident ring removed, simply screw on the cap until the free edge of the skirt comes into abutment against the flange of the base to be sure the package is open.

Dans une forme de réalisation préférée, la bague d'inviolabilité est reliée à la jupe du bouchon par une zone déchirable. Le vissage du bouchon sur le col de la base se fait ainsi sans risque de désolidarisation.In a preferred embodiment, the ring tamper-evident is connected to the cap skirt by a tearable area. The screwing of the cap on the neck of the basis is thus done without risk of dissociation.

Pour faciliter le retrait de la bague, celle-ci présente avantageusement une patte de préhension.To facilitate removal of the ring, it advantageously has a grip tab.

Une forme de réalisation prévoit que la bague d'inviolabilité comporte des languettes retournées.One embodiment provides that the ring tamper-evident has inverted tabs.

Pour coopérer avec une bague d'inviolabilité tout en permettant un excellent vissage du bouchon lors de la découpe de la paroi de l'emballage, le col fileté de la base comporte de préférence une rainure périphérique coupant les filets de son filetage.To cooperate with a tamper-evident ring all allowing an excellent screwing of the cap during the cutting of the packaging wall, the threaded neck of the base preferably has a peripheral groove cutting the threads of its thread.

Afin de pouvoir repérer la position du volet et de son axe de pivotement même lorsque le bouchon est fermé, le col fileté est monté de préférence de manière asymétrique sur le flasque de la base.In order to be able to identify the position of the flap and its pivot axis even when the cap is closed, the threaded neck is preferably mounted so asymmetrical on the base flange.

De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé, représentant à titre d'exemple non limitatif une forme de réalisation préférentielle d'un dispositif permettant d'ouvrir et de refermer un emballage selon l'invention.

  • Figure 1 en est une vue en perspective en position sur un emballage,
  • Figure 2 est une vue de côté montrant les divers éléments constitutifs du dispositif selon l'invention,
  • Figure 3 est une vue en coupe à échelle agrandie selon la ligne de coupe III-III de la figure 1,
  • Figure 4 et 5 sont des vues correspondant à la figure 3 au cours de deux étapes d'ouverture de l'emballage,
  • Figure 6 est une vue en perspective d'une partie du dispositif selon l'invention en position ouverte,
  • Figure 7 est une vue de dessus de la pièce montrée à la figure 6 en position fermée, et
  • Figure 8 est une vue de côté à échelle agrandie de la base du dispositif selon l'invention montrant, également en coupe, un dispositif d'inviolabilité associé.
    • In any case, the invention will be clearly understood with the aid of the description which follows, with reference to the appended diagrammatic drawing, representing by way of nonlimiting example a preferred embodiment of a device making it possible to open and close a package according to the invention.
  • Figure 1 is a perspective view in position on a package,
  • FIG. 2 is a side view showing the various constituent elements of the device according to the invention,
  • FIG. 3 is a sectional view on an enlarged scale along the section line III-III of FIG. 1,
  • FIGS. 4 and 5 are views corresponding to FIG. 3 during two stages of opening the packaging,
  • FIG. 6 is a perspective view of part of the device according to the invention in the open position,
  • Figure 7 is a top view of the part shown in Figure 6 in the closed position, and
  • Figure 8 is a side view on an enlarged scale of the base of the device according to the invention showing, also in section, an associated tamper-evident device.

    • La figure 1 montre une partie d'un emballage 2, muni sur sa face supérieure d'un dispositif selon l'invention. Cet emballage est parallélépipèdique. Il est constitué de deux feuilles rectangulaires en matériau composite, comportant notamment une couche de carton et une couche d'aluminium, soudées l'une à l'autre et pliées de manière à former un parallélépipède. Ce type d'emballage est connu et est couramment utilisé pour le conditionnement de produits alimentaires, notamment des boissons.FIG. 1 shows part of a package 2, provided on its upper face with a device according to the invention. This packaging is parallelepiped. It is made of two rectangular sheets of material composite, comprising in particular a layer of cardboard and a layer of aluminum, welded together and folded so as to form a parallelepiped. This guy packaging is known and is commonly used for packaging of food products, especially drinks.

    Le dispositif selon l'invention comporte une base 4 et un bouchon 6. Il est fixé sur l'emballage 2 à l'aide d'un joint de colle 8.The device according to the invention comprises a base 4 and a cap 6. It is fixed on the packaging 2 using an adhesive joint 8.

    La base 4 comporte un flasque 10 de forme plane rectangulaire et dans lequel est réalisée une ouverture circulaire 12. Une face du flasque 10 est plane et est destinée à venir épouser la forme de la face supérieure de l'emballage. Elle se fixe à ce dernier à l'aide du joint de colle 8. Un col 14 cylindrique circulaire s'étend autour de l'ouverture 12 du côté du flasque 10 opposé au joint de colle 8.The base 4 has a flange 10 of planar shape rectangular and in which an opening is made circular 12. One face of the flange 10 is planar and is intended to come to marry the shape of the upper face of packaging. It attaches to the latter using the joint glue 8. A circular cylindrical neck 14 extends around the opening 12 on the side of the flange 10 opposite the glue joint 8.

    Le col 14 est fileté sur sa face extérieure. Il comporte par exemple trois filets 16 qui s'arrêtent au niveau du flasque 10. Ces filets 16 sont interrompus à une hauteur donnée, près du flasque 10, par une rainure périphérique 18. La fonction de cette rainure 18 est expliquée plus loin.The neck 14 is threaded on its outer face. he comprises for example three nets 16 which stop at level of the flange 10. These threads 16 are interrupted at one given height, near flange 10, by a groove peripheral 18. The function of this groove 18 is explained below.

    Le bord supérieur 20 du col 14 est réalisé de telle sorte qu'il permette de verser proprement un liquide sortant de l'emballage et passant à l'intérieur du col 14.The upper edge 20 of the neck 14 is made of so that it allows to pour a liquid cleanly leaving the packaging and passing inside the neck 14.

    Avant la première ouverture de l'emballage 2, un volet 22 est disposé dans le col 14, parallèlement au flasque 10 et à proximité de l'ouverture 12. Ce volet 22 est monté pivotant autour d'une charnière film 24 placée sur la paroi intérieure du col 14. Pour maintenir le volet 22 dans la position de fermeture représentée sur les figures 3 et 7, un pontet ruptible 26 est prévu à l'opposé de la charnière 24. Ce pontet 26 relie le volet à la paroi intérieure du col 14.Before the first opening of the package 2, a flap 22 is arranged in the neck 14, parallel to the flange 10 and near the opening 12. This flap 22 is pivotally mounted around a film hinge 24 placed on the inside wall of the neck 14. To maintain the flap 22 in the closed position shown on the Figures 3 and 7, a breakable bridge 26 is provided opposite of the hinge 24. This bridge 26 connects the flap to the wall inside of collar 14.

    La forme du volet 22 est notamment visible sur la figure 7 où il est montré en vue de dessus. Sa forme générale est circulaire. Du côté de la charnière film 24, des évidements 28 sont réalisés de telle sorte que le volet 22 présente des bords 30 sensiblement perpendiculaires à la charnière film 24.The shape of the flap 22 is particularly visible on the Figure 7 where it is shown in top view. Its shape general is circular. On the side of the film 24 hinge, recesses 28 are made so that the flap 22 has edges 30 substantially perpendicular to the film hinge 24.

    Du côté de l'emballage 2, le volet 22 présente un ensemble de dents 32 pointues et coupantes. Ces dents 32 sont disposées à la périphérie du volet 22, sauf dans la zone des évidements 28. Les pointes des dents 32 affleurent la surface de l'emballage 2, ou bien sont très proches de celle-ci.
    Du côté opposé à l'emballage 2, c'est-à-dire vers le bouchon 6, le volet 22 présente une nervure 34 faisant saillie perpendiculairement au plan du volet. La hauteur de cette nervure 34 est maximale à l'opposé de la charnière film 24 et décroít lorsqu'on s'approche de celle-ci.    On the packaging side 2, the flap 22 has a set of sharp, cutting teeth 32. These teeth 32 are arranged at the periphery of the flap 22, except in the area of the recesses 28. The tips of the teeth 32 are flush with the surface of the package 2, or else are very close to the latter.
    On the side opposite the packaging 2, that is to say towards the plug 6, the flap 22 has a rib 34 projecting perpendicular to the plane of the flap. The height of this rib 34 is maximum opposite the film hinge 24 and decreases when approaching the latter.

    Le bouchon 6 comporte un fond 36, une jupe 38, une première cheminée 40, une seconde cheminée 42 ainsi qu'une ceinture d'inviolabilité 44.The plug 6 has a bottom 36, a skirt 38, a first chimney 40, a second chimney 42 and a inviolability belt 44.

    La jupe 38 s'étend à la périphérie du fond 36. Elle présente sur sa face intérieure des filets 46 destinés à coopérer avec les filets 16 du col 14. On retrouve donc autant de filets 46 sur la jupe du bouchon que de filets 16 sur le col 14. Dans le présent exemple, on a donc trois filets 46. La hauteur de la jupe 38 correspond sensiblement à la hauteur du col 14 (figure 5). Elle est très légèrement supérieure, de telle sorte que lors d'un vissage à fond, la butée se réalise au niveau du bas de la jupe 38 et du flasque 10 et non au niveau du bord supérieur 20 du col 14 et du fond 36.The skirt 38 extends around the periphery of the bottom 36. It has threads on its inner face 46 intended to cooperate with the threads 16 of the neck 14. We so find as many threads 46 on the skirt of the cap that of nets 16 on the neck 14. In the present example, so there are three nets 46. The height of the skirt 38 roughly corresponds to the height of the neck 14 (Figure 5). It is very slightly higher, so that when fully screwed in, the stop is made at the bottom of skirt 38 and flange 10 and not at the level upper edge 20 of neck 14 and bottom 36.

    La première cheminée 40 est destinée à assurer l'étanchéité du bouchon 6. Sa surface extérieure vient coopérer avec la surface intérieure du col 14, au niveau du bord supérieur 20 pour réaliser, de manière connue, une étanchéité. Pour garantir une parfaite étanchéité, il est possible de prévoir un diamètre légèrement plus grand pour la surface extérieure de la première cheminée 40 que pour le diamètre intérieur du col 14.The first chimney 40 is intended to ensure the sealing of the plug 6. Its outer surface comes cooperate with the inner surface of the neck 14, at the level the upper edge 20 to achieve, in known manner, a seal. To guarantee a perfect seal, it is possible to provide a slightly larger diameter for the outer surface of the first chimney 40 only for the inside diameter of the neck 14.

    La seconde cheminée 42 est plus grande que la première 40. Sa hauteur est du même ordre de grandeur que celle de la jupe 38. Son diamètre est inférieur à celui de la première cheminée 40 et correspond sensiblement au diamètre du volet 22 avec lequel elle est destinée à coopérer. Sur sa face extérieure, la seconde cheminée 42 présente, à proximité de son bord libre, un jonc 48.
    La ceinture d'inviolabilité 44 est reliée au bord inférieur, c'est-à-dire opposé au fond 36, de la jupe 38. La liaison est réalisée par une zone déchirable 50. La ceinture d'inviolabilité 44 représentée sur les figures 1 à 7 comporte sur sa surface intérieure un jonc 52. Celui-ci est destiné à coopérer avec la rainure périphérique 18 de manière à empêcher un dévissage du bouchon 6 après un premier vissage à fond du bouchon 6 avec sa ceinture 44 sur le col 14. Il faut donc retirer la ceinture d'inviolabilité 44 pour pouvoir dévisser le bouchon 6. Le jonc 52 et la rainure 18 sont placés de telle sorte que, lors du premier vissage du bouchon 6 sur le col 14, le jonc 52 se trouve à la hauteur de la rainure 18 lorsque la ceinture d'inviolabilité 44 vient buter contre le flasque 10.    The second chimney 42 is larger than the first 40. Its height is of the same order of magnitude as that of the skirt 38. Its diameter is less than that of the first chimney 40 and corresponds substantially to the diameter of the flap 22 with which it is intended to cooperate. On its outer face, the second chimney 42 has, near its free edge, a rod 48.
    The tamper-evident belt 44 is connected to the lower edge, that is to say opposite to the bottom 36, of the skirt 38. The connection is made by a tearable zone 50. The tamper-evident belt 44 shown in FIGS. 1 7 has on its inner surface a rod 52. This is intended to cooperate with the peripheral groove 18 so as to prevent the cap 6 from being unscrewed after a first screwing down of the cap 6 with its belt 44 on the neck 14. It is therefore necessary to remove the tamper-evident belt 44 in order to be able to unscrew the cap 6. The rod 52 and the groove 18 are placed so that, when the cap 6 is first screwed onto the neck 14, the rod 52 is at the height of the groove 18 when the tamper-evident belt 44 abuts the flange 10.

    La figure 8 montre une variante de réalisation de la ceinture d'inviolabilité 44. Dans cette forme de réalisation, la ceinture d'inviolabilité comporte, sur sa face intérieure, des languettes 54. Ces dernières sont rattachées à la ceinture d'inviolabilité par son bord libre opposé à la zone déchirable 50 et sont repliées vers l'intérieur, de manière à former un angle aigu avec la ceinture d'inviolabilité. Les extrémités des languettes 54, lors d'un premier vissage du bouchon sur le col 14, viennent en appui contre la ceinture 44 lors du passage sur les filets 16, puis lorsque la ceinture d'inviolabilité 44 vient en butée sur le flasque 10, les extrémités libres des languettes 54, par élasticité, viennent se loger dans la rainure périphérique 18.Figure 8 shows an alternative embodiment of the inviolability belt 44. In this form of embodiment, the tamper-evident belt has, on its inner face, tabs 54. These are attached to the tamper-evident belt by its edge free opposite the tearable zone 50 and are folded towards the interior, so as to form an acute angle with the inviolability belt. The ends of the tabs 54, during a first screwing of the cap on the neck 14, come to bear against the belt 44 during the passage on the threads 16, then when the belt tamper evident 44 abuts on the flange 10, the free ends of the tongues 54, by elasticity, are housed in the peripheral groove 18.

    Dans ces deux variantes, la ceinture d'inviolabilité 44 présente une patte de préhension 56. Ainsi, pour arracher la ceinture d'inviolabilité, il suffit de saisir la patte de préhension 56 et de la tirer pour provoquer le déchirement de la zone déchirable 50 et donc la séparation de la bague d'inviolabilité 44 de la jupe 38.
    Sur les figures 1, 6 et 7, on peut constater que l'ouverture 12 n'est pas centrée par rapport au flasque 10. Ceci permet de repérer la position de la charnière film 24 même lorsque le bouchon 6 est vissé sur la base 4. Dans le cas présent, l'ouverture 12, et donc aussi le col 14, est à équidistance des grands bords du flasque 10 mais est plus proche d'un petit bord que de l'autre. Lorsque le dispositif est alors positionné sur l'emballage, à l'emplacement destiné à le recevoir, la charnière 24 se trouve du côté d'une paroi de l'emballage.    In these two variants, the tamper-evident belt 44 has a gripping tab 56. Thus, to tear off the tamper-evident belt, it suffices to grasp the gripping tab 56 and to pull it to cause the tear-off zone to be torn 50 and therefore the separation of the tamper-evident ring 44 from the skirt 38.
    In FIGS. 1, 6 and 7, it can be seen that the opening 12 is not centered relative to the flange 10. This makes it possible to identify the position of the film hinge 24 even when the cap 6 is screwed onto the base 4 In the present case, the opening 12, and therefore also the neck 14, is equidistant from the large edges of the flange 10 but is closer to one small edge than the other. When the device is then positioned on the packaging, at the location intended to receive it, the hinge 24 is on the side of a wall of the packaging.

    Le fonctionnement du dispositif selon l'invention est décrit ci-après.The operation of the device according to the invention is described below.

    Le dispositif selon l'invention comporte, comme déjà indiqué, trois pièces. La base 4 et le bouchon 6 sont par exemple des pièces moulées obtenues par moulage par injection d'une matière synthétique. Après moulage et démoulage, le bouchon 6 est vissé sur la base 4, jusqu'à ce que la bague d'inviolabilité 44 vienne buter contre le flasque 10.The device according to the invention comprises, as already indicated, three pieces. The base 4 and the plug 6 are for example molded parts obtained by molding by injection of a synthetic material. After molding and demoulding, the cap 6 is screwed on the base 4, until that the tamper-evident ring 44 abuts against the flange 10.

    Le dispositif est collé sur l'emballage 2 à l'aide du joint de colle 8. Le flasque 10 vient alors épouser la paroi correspondante de l'emballage et assurer la liaison entre le dispositif selon l'invention et l'emballage 2 (figures 1 et 3).The device is glued to the packaging 2 using of the adhesive joint 8. The flange 10 then comes to marry the corresponding wall of the packaging and ensuring the connection between the device according to the invention and the packaging 2 (Figures 1 and 3).

    Pour ouvrir l'emballage 2, la ceinture d'inviolabilité 44 est retirée en saisissant la patte 56 et en déchirant la zone déchirable 50 sur toute la périphérie de la jupe 38. Il devient dès lors possible de visser le bouchon 6 plus à fond sur le col 14 de la base 4.
    Lorsque ce vissage est amorcé, l'extrémité libre de la seconde cheminée 42 vient au contact de la nervure 34 réalisée sur le volet 22 (figure 4). Le pontet 26 est rompu, le volet commence à pivoter autour de la charnière film 24 et les dents 32 viennent attaquer la paroi de l'emballage 2. La présence de la nervure 34 de hauteur inégale, permet d'enfoncer tout d'abord les dents 32 se trouvant à l'opposé de la charnière film 24. Un couple relativement élevé est transmis de ce fait au volet 22. Ceci facilite son ouverture.     To open the packaging 2, the tamper-evident belt 44 is removed by grasping the tab 56 and tearing the tearable zone 50 over the entire periphery of the skirt 38. It therefore becomes possible to screw the plug 6 more fully onto the neck 14 of the base 4.
    When this screwing is initiated, the free end of the second chimney 42 comes into contact with the rib 34 produced on the flap 22 (FIG. 4). The trigger guard 26 is broken, the flap begins to pivot around the film hinge 24 and the teeth 32 come to attack the wall of the package 2. The presence of the rib 34 of unequal height, makes it possible to first press the teeth 32 located opposite the film hinge 24. A relatively high torque is therefore transmitted to the flap 22. This facilitates its opening.

    En continuant le vissage du bouchon 6 sur le col 14, le volet 22 continue à pivoter jusqu'à atteindre la position représentée sur les figures 5 et 6, où le volet 22 a pivoté de 90° par rapport à sa position initiale et est complètement ouvert. Le découpage de la paroi de l'emballage se fait progressivement. Le couple exercé sur le volet diminue mais dans le même temps, la résistance exercée par la paroi diminue. En exerçant une force axiale sensiblement constante sur le bouchon 6, c'est-à-dire en exerçant un couple de serrage constant sur celui-ci, on arrive à une ouverture totale du volet 22 et à un découpage de la paroi de l'emballage.Continuing to screw the cap 6 onto the neck 14, the flap 22 continues to pivot until it reaches the position shown in Figures 5 and 6, where the flap 22 has rotated 90 ° from its initial position and is completely open. The cutting of the wall of the packaging is done gradually. The couple exerted on the flap decreases but at the same time, the resistance exerted by the wall decreases. By exerting an axial force substantially constant on the plug 6, that is to say in exerting a constant tightening torque on it, we reaches a complete opening of the flap 22 and a cutting of the packaging wall.

    En fin de pivotement du volet 22, la partie du volet se trouvant au plus près de la charnière film 24 vient se loger dans un évidement 58 de forme adaptée réalisé dans la paroi intérieure du col 14. Sur les bords de cet évidement 58 se trouvent deux rebords 60 présentant par exemple chacun une forme de crochet sous lequel vient s'encliqueter un bord 30 du volet 22. Ce dernier est alors maintenu en position ouverte, malgré les forces élastiques exercées par la paroi découpée de l'emballage et qui tendent à faire revenir le volet dans sa position d'origine. La plus grande partie du volet se trouve à l'intérieur de l'emballage 2.At the end of pivoting of the flap 22, the part of the flap closest to the film hinge 24 is housed in a recess 58 of suitable shape made in the inner wall of the neck 14. On the edges of this recess 58 are two flanges 60 having for example each one a hook shape under which comes snap an edge 30 of the flap 22. The latter is then maintained in open position, despite elastic forces exerted by the cut wall of the package and which tend to return the flap to its position original. Most of the shutter is located at inside the package 2.

    Une fois le volet encliqueté dans sa position ouverte, le bouchon 6 peut être dévissé et revissé sans que le volet 22 ne bouge.
    Avantageusement, le volet 22 vient s'ouvrir contre une paroi de l'emballage. Ainsi, lorsque du liquide sort par le dispositif selon l'invention hors de l'emballage, le volet ne gêne pas le flux de liquide et les forces tendant à refermer le volet sont minimisées au cours de ce versage.    Once the shutter is snapped into its open position, the plug 6 can be unscrewed and screwed back without the shutter 22 moving.
    Advantageously, the flap 22 opens against a wall of the packaging. Thus, when liquid leaves the device according to the invention out of the packaging, the flap does not interfere with the flow of liquid and the forces tending to close the flap are minimized during this pouring.

    En conclusion, pour ouvrir la première fois un emballage muni d'un dispositif selon l'invention, le consommateur visse une première fois à fond le bouchon après avoir retiré une éventuelle bague d'inviolabilité. Le fonctionnement est ensuite le même qu'avec une bouteille classique munie d'un bouchon à vis : il faut dévisser le bouchon pour ouvrir l'emballage et le revisser pour le fermer.In conclusion, to open the first time a packaging fitted with a device according to the invention, the consumer screws the cap the first time after removing a possible tamper-evident ring. The operation is then the same as with a classic bottle with a screw cap: unscrew the cap to open the packaging and screw it back to close it.

    Le dispositif selon l'invention décrit ci-dessus présente de nombreux avantages. Il peut être mis en place sur un emballage avant une première utilisation. Ce n'est pas le consommateur qui place ce dispositif sur l'emballage.The device according to the invention described above has many advantages. It can be set up on a packaging before first use. It's not not the consumer who places this device on packaging.

    La forme de réalisation décrite permet un faible encombrement en hauteur. Pour le diamètre, l'encombrement est le même pour un même diamètre d'ouverture qu'avec un bouchon classique adapté sur une bouteille.The described embodiment allows a low overall height. For the diameter, the size is the same for the same opening diameter as with a classic cap adapted on a bottle.

    Le dispositif d'ouverture ne perturbe pas le flux de liquide sortant de l'emballage. De plus, il est possible de placer le col avec son bec verseur au plus près d'une paroi de l'emballage, de telle sorte qu'il est possible de verser du liquide hors de l'emballage sans que le liquide ne vienne au contact d'un bord de l'emballage.The opening device does not disturb the flow liquid coming out of the package. In addition, it is possible to place the neck with its spout at most near a wall of the package, so that it is possible to pour liquid out of the package without the liquid does not come into contact with an edge of the packaging.

    Le dispositif selon l'invention possède également une inviolabilité qui permet de détecter une première ouverture de l'emballage.The device according to the invention also has an inviolability which makes it possible to detect a first opening the packaging.

    Comme il va de soi, l'invention ne se limite pas à la forme de réalisation décrite ci-dessus et à sa variante ; elle en embrasse au contraire toutes les autres variantes dans le cadre des revendications ci-après. Ainsi par exemple, dans un tel dispositif, le volet pourrait présenter une forme différente, par exemple en forme de triangle, et être disposé différemment dans le dispositif. Il pourrait par exemple être déjà incliné lorsque les parties coupantes attaquent la paroi de l'emballage plutôt que d'être parallèle sensiblement à cette paroi.It goes without saying that the invention is not limited to the embodiment described above and at its variant ; on the contrary it embraces all the others variants within the scope of the claims below. So for example, in such a device, the flap could have a different shape, for example in shape of a triangle, and be arranged differently in the device. It could for example be already tilted when the cutting parts attack the wall of packaging rather than being substantially parallel to this wall.

    La présence du rebord sur le volet est optionnelle. Elle permet une attaque progressive de la paroi de l'emballage. On peut aussi envisager une attaque simultanée sur tout le contour de découpage, mais on peut également avoir des parties coupantes de hauteurs différentes pour avoir une attaque "progressive".The presence of the flange on the flap is optional. It allows a progressive attack of the packaging wall. We can also consider an attack simultaneously over the entire cutting contour, but we can also have cutting parts of heights different to have a "progressive" attack.

    Les dents pointues pourraient être remplacées, éventuellement partiellement remplacées, par d'autres moyens coupants comme par exemple des lames.Pointed teeth could be replaced, possibly partially replaced, by others cutting means such as, for example, blades.

    Le fait de fixer le volet sur la face intérieure du col par l'intermédiaire d'une charnière film permet de n'avoir qu'une seule pièce pour former la base et le volet et d'obtenir cette pièce par moulage, par exemple par moulage sous pression d'une matière synthétique. Bien entendu, il est aussi envisageable de prévoir deux pièces distinctes reliées par exemple par un axe.Fixing the flap on the inside collar through a film hinge allows have only one piece to form the base and the flap and obtain this part by molding, for example by pressure molding of a synthetic material. Well of course, it is also possible to provide two rooms distinct linked for example by an axis.

    Il est bien entendu optionnel de prévoir un encliquetage dans la position ouverte du volet. Dans certaines applications, il n'est peut-être pas utile de maintenir le volet en position ouverte. Dans d'autres, il n'est peut-être pas utile de prévoir une ouverture à 90° de ce volet. On ne sortirait pas du cadre de l'invention en modifiant la course angulaire du volet qui est de 90° environ dans l'exemple de réalisation préférentiel décrit ci-dessus.
    La seconde cheminée du dispositif décrit pourrait être remplacée par d'autres moyens permettant de pousser le volet vers l'intérieur de l'emballage. On pourrait ainsi remplacer cette cheminée par un ou plusieurs doigts qui transmettraient un effort axial au volet.    It is of course optional to provide a snap in the open position of the flap. In some applications, it may not be useful to keep the shutter in the open position. In others, it may not be useful to provide a 90 ° opening of this flap. It would not be departing from the scope of the invention to modify the angular travel of the flap which is approximately 90 ° in the preferred embodiment described above.
    The second chimney of the device described could be replaced by other means allowing the shutter to be pushed towards the interior of the packaging. This chimney could thus be replaced by one or more fingers which would transmit an axial force to the flap.

    On peut également imaginer un dispositif selon l'invention sans bague d'inviolabilité. Il suffit alors de ne pas visser à fond le bouchon avant le premier usage. Toutefois, comme il ressort de la description ci-dessus, la présence d'une telle bague est avantageuse dans ce dispositif. Cependant, il est envisageable d'utiliser d'autres types de bagues d'inviolabilité que celles décrites et revendiquées.We can also imagine a device according to the invention without a tamper-evident ring. Then just do not tighten the cap fully before first use. However, as is apparent from the description above, the presence of such a ring is advantageous in this device. However, it is possible to use other types of tamper evident rings than those described and claimed.

    Claims (12)

    1. Device which makes it possible to open and close a pack (2), comprising:
      a base (4) which has an opening (12) and a flange (10) designed to correspond to the shape of the wall of the pack, and preferably its upper wall, and to permit securing, for example by gluing, of the base (4) onto the pack (2), the base (4) being provided with a threaded neck (14) which surrounds its opening (12);
      means (6) which co-operate with the base in order to permit closure of the pack (2) after it has been opened for the first time, these means comprising a stopper (6) which has an outer skirt (38) provided with at least one inner thread (46) which is designed to co-operate with the threaded neck (14), as well as a sleeve (42) or the like which extends parallel to the skirt (38),
      characterised in that a flap (22), which has cutting parts (32) on its surface which is designed to be turned towards the pack, is fitted such as to pivot in the neck between an initial position in which it is in the interior of the neck (14) and a pivoted position in which it is designed to be at least partially inside the pack (2), and
      in that the sleeve which is associated with the means, which co-operates with the base (4) in order to permit closure of the pack (2) after it has been opened for the first time, has a diameter and a height such that full screwing of the stopper (6) onto the threaded neck (14) makes it possible to push the cutting parts (32) of the flap (22) through the wall of the pack (2).
    2. Device according to claim 1, characterised in that in its initial position the flap (22) is substantially parallel to the opening (12) in the flange (10), and the cutting parts (32) of the flap (22) are designed to be flush with the wall of the pack (2).
    3. Device according to claim 1 or claim 2, characterised in that the flap (22) comprises a rib (34) on its surface opposite the surface which comprises the cutting parts (32) and on the side opposite the swivel pin of the flap, such that when the stopper (6) is screwed, the sleeve (42) comes into contact firstly with the rib (34).
    4. Device according to any one of claims 1 to 3, characterised in that the flap (22) is secured onto the inner surface of the neck of the base by a hinge film (24).
    5. Device according to any one of claims 1 to 4, characterised in that the cutting parts of the flap (22) are pointed teeth (32).
    6. Device according to any one of claims 1 to 5, characterised in that the base of the threaded neck (14) is provided with snap-on means (60) which allow the flap (22) to be kept in its open position.
    7. Device according to any one of claims 1 to 5, characterised in that the skirt (38) of the stopper is provided at its free end with an anti-tampering ring (44).
    8. Device according to claim 7, characterised in that the anti-tampering ring (44) is connected to the skirt (38) of the stopper by an area (50) which can be torn.
    9. Device according to claim 7 or claim 8, characterised in that the anti-tampering ring (44) has a grasping tab (56).
    10. Device according to any one of claims 7 to 9, characterised in that the anti-tampering ring (44) has turned-back tongues (54).
    11. Device according to any one of claims 7 to 10, characterised in that the threaded neck (14) of the base preferably comprises a peripheral groove (18) which intersects the threads (16) of its thread.
    12. Device according to any one of claims 1 to 11, characterised in that the threaded neck (14) is fitted asymmetrically on the flange (10) of the base.
    EP99922231A 1998-06-04 1999-05-27 Closure with perforating means and pouring nozzle Expired - Lifetime EP1091879B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR9807197A FR2779418B1 (en) 1998-06-04 1998-06-04 DEVICE FOR OPENING AND CLOSING A PACKAGE
    FR9807197 1998-06-04
    PCT/FR1999/001248 WO1999062775A1 (en) 1998-06-04 1999-05-27 Closure with perforating means and pouring nozzle

    Publications (2)

    Publication Number Publication Date
    EP1091879A1 EP1091879A1 (en) 2001-04-18
    EP1091879B1 true EP1091879B1 (en) 2002-11-06

    Family

    ID=9527151

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99922231A Expired - Lifetime EP1091879B1 (en) 1998-06-04 1999-05-27 Closure with perforating means and pouring nozzle

    Country Status (6)

    Country Link
    EP (1) EP1091879B1 (en)
    AT (1) ATE227228T1 (en)
    AU (1) AU3935699A (en)
    DE (1) DE69903815T2 (en)
    FR (1) FR2779418B1 (en)
    WO (1) WO1999062775A1 (en)

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    WO2014001507A1 (en) * 2012-06-29 2014-01-03 Sig Technology Ag Composite pack with a pouring element, and blank for producing such a pack

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    EP1127798B1 (en) * 2000-02-25 2005-12-14 SIG Combibloc International AG Pouring spout attachment with automatic opening feature
    GB0125296D0 (en) 2001-10-20 2001-12-12 Rexam Containers Ltd Pouring spout feature
    GB0125900D0 (en) * 2001-10-29 2001-12-19 Rexam Containers Ltd Pouring spout feature
    ATE420824T1 (en) * 2005-08-25 2009-01-15 Riwisa Ag GAS-TIGHT SOCKET CLOSURE WITH OPENING DEVICE
    DE102007057863A1 (en) * 2007-11-29 2009-06-04 Sig Technology Ag Self-opening and resealable pouring spout made of plastic for application on a package for liquids
    DE102010025158A1 (en) 2010-06-25 2011-12-29 Sigismund Laskowski Pouring device with automatic opening feature
    CH704661A1 (en) * 2011-03-17 2012-09-28 Terxo Ag Selbstöffnerverschluss with flap.
    DE102011080209A1 (en) * 2011-08-01 2013-02-07 Robert Bosch Gmbh Cutting device for container cases
    WO2014046633A2 (en) * 2012-09-21 2014-03-27 Emi̇rcan Necat A screwed cover embodiment having apparatus of foil-cutting and folding to the inner part in the aseptic liquid cardboard packages
    ITUA20162141A1 (en) 2016-03-31 2017-10-01 Bormioli Pharma Spa CLOSING CAPS
    CN110040353A (en) * 2019-04-05 2019-07-23 徐勇 A kind of bottle cap

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    FR1416483A (en) * 1964-09-22 1965-11-05 Telescopic shutters forming plugs
    US4526283A (en) * 1983-08-22 1985-07-02 Skinner Robert A Package closure
    US4807787A (en) 1987-05-12 1989-02-28 The Procter & Gamble Company Easy-open/reclosure device having deformable pour spout
    US4915290A (en) 1989-02-27 1990-04-10 Combibloc, Inc. Package closure
    WO1992000884A1 (en) * 1990-07-10 1992-01-23 Combibloc, Inc. Package closure and package preparation
    SE469025B (en) * 1991-09-04 1993-05-03 Tetra Alfa Holdings OPENING DEVICE FOR A PACKAGING CONTAINER
    IT1274057B (en) * 1994-10-12 1997-07-14 Ingenius Srl PERFECTED DISPENSER FOR A LIQUID CONTAINER.
    IT1290079B1 (en) * 1997-03-14 1998-10-19 Tetra Laval Holdings & Finance RE-SEALABLE OPENING DEVICE FOR PACKAGING FOR VERSABLE FOOD PRODUCTS

    Cited By (3)

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    Publication number Priority date Publication date Assignee Title
    WO2014001507A1 (en) * 2012-06-29 2014-01-03 Sig Technology Ag Composite pack with a pouring element, and blank for producing such a pack
    RU2623990C2 (en) * 2012-06-29 2017-06-29 Сиг Текнолоджи Аг Composite material packaging with a pouring element and a workpiece to manufacture such a packaging
    US9738427B2 (en) 2012-06-29 2017-08-22 Sig Technology Ag Composite pack having a pouring element, and blank for producing such pack

    Also Published As

    Publication number Publication date
    FR2779418A1 (en) 1999-12-10
    DE69903815D1 (en) 2002-12-12
    AU3935699A (en) 1999-12-20
    EP1091879A1 (en) 2001-04-18
    ATE227228T1 (en) 2002-11-15
    DE69903815T2 (en) 2003-02-27
    FR2779418B1 (en) 2000-07-13
    WO1999062775A1 (en) 1999-12-09

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