EP1084060A1 - Closure with perforating means and pouring nozzle - Google Patents

Closure with perforating means and pouring nozzle

Info

Publication number
EP1084060A1
EP1084060A1 EP99923644A EP99923644A EP1084060A1 EP 1084060 A1 EP1084060 A1 EP 1084060A1 EP 99923644 A EP99923644 A EP 99923644A EP 99923644 A EP99923644 A EP 99923644A EP 1084060 A1 EP1084060 A1 EP 1084060A1
Authority
EP
European Patent Office
Prior art keywords
movable part
base
opening
teeth
packaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99923644A
Other languages
German (de)
French (fr)
Other versions
EP1084060B1 (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
Family has litigation
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Application filed by Crown Cork and Seal Technologies Corp filed Critical Crown Cork and Seal Technologies Corp
Publication of EP1084060A1 publication Critical patent/EP1084060A1/en
Application granted granted Critical
Publication of EP1084060B1 publication Critical patent/EP1084060B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal

Definitions

  • the present invention relates to a device provided with a screw cap intended for packaging. It is more particularly intended for packaging commonly called bricks and which are produced using composite sheets comprising in particular a layer of cardboard and a layer of aluminum.
  • the aforementioned type of packaging is often used because it has many advantages compared to glass or synthetic bottles. Indeed, these packages often have a parallelepiped shape, which allows optimal storage without loss of space. In addition, these packaging allow very good conservation for food products.
  • One method for opening such packages consists simply in unfolding a corner of this package and, using, for example, scissors, cutting a point so as to make an opening. An opening has thus been made in the packaging, but it is difficult to close it tightly.
  • a closure device generally comprising a base fixed on the packaging and surrounding the opening as well as a cover articulated on this base and coming to cooperate with it so as to produce a sealed closure takes place at the level of the cutout.
  • an aluminum tab is stuck on the l opening.
  • a disadvantage of this device is that it requires carrying out a opening in the packaging thus creating a solution of continuity in the wall protecting the product packaged in this packaging. The latter then has a weak point at this opening.
  • the establishment of this device on a package requires many precautions and great precision, especially when it comes to setting up the tongue made of an aluminum sheet.
  • Document EP-0 328 652 describes a device provided with a screw cap intended for a brick.
  • This device comprises a base intended to take place on a wall of the packaging and comprising a threaded neck with which a screw cap cooperates.
  • a moving part provided with a loosening blade makes it possible to cut the wall of the packaging.
  • Guide surfaces are provided at the screw cap and the moving part so that, when the screw cap is turned in the direction of its opening, the moving part is turned and its loosening blade is pressed towards the bottom so that it breaks the wall of the package in order to open a pouring orifice.
  • the object of the present invention is to provide a device making it possible to open and close a package, in particular a package made of a composite material comprising, for example cardboard and aluminum, intended to take place at a location on the package. where the aluminum is exposed or at the level of a precut, and which allows an excellent closing of the packaging after its first opening.
  • This device according to the invention will preferably have a low cost price.
  • it will advantageously present means of inviolability. Thus it will be possible to detect the first opening of this packaging.
  • the device which it offers is a device provided with a screw cap intended for a package, for example a brick, comprising: a base having a flange intended to marry the wall of the package, preferably its upper wall, and to allow the fixing, for example by gluing, of the base on the packaging and having an opening surrounded by a threaded neck, the screw cap cooperating with the threaded neck of the base for allow the packaging to be closed after its first opening, having a bottom and an outer skirt provided with at least one internal thread, and provided with cam-type means cooperating with complementary means arranged on the movable part to allow, when unscrewing, axially pushing the moving part towards the inside of the packaging, a moving part in axial translation having teeth at its end located on the side of the opening and being guided in the threaded neck between a first position where it is entirely inside the threaded neck and a second position in which the teeth are inside the packaging.
  • the moving part is molded in one piece with the base, breakable bridges connecting these two parts.
  • the base and the movable part are produced on the one hand and the screw cap on the other hand. It becomes unnecessary to carry out an operation of orienting the moving part with respect to the base.
  • the device according to the invention is therefore industrializable at high speed and requires only reduced investments.
  • the breakable bridges are located at the opening and at the base of the complementary means of the movable part to axially push this part towards the interior of the packaging.
  • the bridges can be broken when the moving part is in its first position in which it is entirely inside the threaded neck.
  • the moving part is a substantially cylindrical tubular part of circular section, one end of which is substantially in a radial plane and is provided with teeth and which has at the other end an edge inclined relative to a radial plane over at least part of the periphery of the moving part.
  • the screw cap may include a chimney extending axially from the bottom and the free edge of which is inclined relative to the bottom over at least part of its periphery.
  • a stopper will advantageously have an inclined edge with the same inclination as the edge of the moving part if it is used in combination with a moving part such as described above.
  • the free edge of the chimney is parallel to the edge of the moving part when the latter is in the retracted position in the threaded neck.
  • the moving part is a substantially cylindrical part, the edge opposite to that carrying the teeth has the shape of a helical pitch around the axis of the device and in that the free edge of the chimney is parallel to the edge of the moving part when the latter is in the retracted position in the threaded neck.
  • a preferred embodiment provides that the means for guiding the movable part with respect to the threaded neck comprise at least one rib sliding in a corresponding groove.
  • stops are provided to limit the travel of the moving part.
  • the latter is advantageously provided with a tamper-evident ring connected to the skirt of the cap.
  • the moving part can also be used as a flow regulator.
  • the moving part has teeth only on a part of the periphery of its end located on the side of the opening.
  • the present invention also relates to a molded part for the production of a device according to the invention.
  • This part constituted by the base of the device and the movable part and breakable bridges connect these two parts.
  • the molded part according to the invention is advantageously such that the teeth of the movable part are in the extended position and such that the breakable bridges are located at the opening of the base.
  • Figure 1 is a perspective view of a component of the device according to the invention
  • Figure 2 is a side view on an enlarged scale, partially in section of the part shown in Figure 1
  • FIG. 3 is a top view of the part shown in FIG. 2,
  • FIG. 4 is a view in longitudinal section of a device according to the invention in the closed position
  • FIG. 5 is a view corresponding to FIG. 4 in the open position
  • FIG. 6 is a detailed view showing the drive of the moving part of the device.
  • Figures 7 and 8 are views corresponding to Figures 4 and 5 for an alternative embodiment.
  • the device shown in Figures 4 to 6 is intended to be fixed, for example by gluing, on the upper face of a package of parallelepiped shape and generally called brick.
  • Such packaging consists of two rectangular sheets of composite material, comprising in particular a layer of cardboard and a layer of aluminum, welded to each other and folded so as to form a parallelepiped.
  • This type of packaging is known and is commonly used for the packaging of food products, in particular drinks.
  • the device according to the invention comprises a base 2, a moving part 4 and a screw cap 6.
  • the device is made of synthetic material.
  • the base 2 and the moving part 4 are molded in a single operation. This gives the part shown in Figures 1 to 3 and which is described in more detail below.
  • the base 2 includes a flange 8 of rectangular planar shape and in which a circular opening 10 is made.
  • One face of the flange 8 is planar and is intended to conform to the shape of the upper face of the packaging. It attaches to the latter using for example a glue joint.
  • a circular cylindrical neck 12 extends around the opening 10 on the side of the flange 8 opposite the face intended to come into contact with the packaging.
  • the neck 12 is threaded on its outer face. It comprises for example a thread 14.
  • It further comprises a peripheral rib 16 disposed between the threads 14 and the flange 8. This rib 16 is intended to cooperate with a tamper-evident ring which will be described later.
  • the upper edge 18 of the neck 12 is produced so that it allows to pour cleanly a liquid coming out of the packaging and passing inside the neck 12.
  • the inner face of the neck 12 has two ribs 20 extending axially, diametrically opposite. These ribs are substantially rectangular ( Figure 3) and extend from the opening
  • the moving part 4 is of generally circular cylindrical shape. Its outside diameter is slightly smaller than the diameter of the opening 10 in which it is made to slide.
  • the lower end of the moving part 4 that is to say the end which, in the mounting position and intended to be on the side of the packaging, is provided on a part of its periphery with teeth 22. These the latter are intended to perforate the wall of the packaging on which the device according to the invention will be disposed.
  • Note in Figure 1 an area of the lower end of the movable part 4 not provided with teeth. On section views, this area is not visible because it is part of the cut part of part 4.
  • the upper end of the movable part 4 is in an inclined plane relative to the plane of the opening 10.
  • the height of the movable part on the left in Figures 2 to 5 is substantially greater than the height of this part 4 on the right in these same figures.
  • the outer face of the moving part 4 has two grooves 24 extending axially over the entire height of the moving part 4. These grooves are diametrically opposite and of rectangular section, they are intended to cooperate with the ribs 20 of the threaded neck 12 for guiding the moving part 4.
  • a first series of four stops 26 is located just above the teeth 22.
  • the second series of stops also has four stops 28 and is located above the first series of stops 26 at a distance substantially equal to the height difference between, in the figures, the left part of the moving part 4 and the right part of this part. This difference in height corresponds substantially to the stroke of the moving part 4.
  • a device of known type making it possible to break the flow of a liquid, for example a drink, passing through the interior of the moving part 4.
  • This device comprises a pin 30 extending axially in the center of the moving part 4 as well as three connecting rods 32 connecting the central stud 30 to the inner wall of the moving part 4.
  • the outer face of the movable part has a shoulder 34 delimiting the cam-type zone of the movable part of the body of this part carrying the teeth 22.
  • the base 2 and the moving part 4 are molded in a single operation.
  • the part constituted by the base 2 and the movable part 4 is as shown in FIGS. 1 to 3.
  • Breakable bridges 35 connect at the level of the opening 10 the base 2 to the movable part 4.
  • Both the lower stops 26 that the upper stops 28 of the moving part are located outside of the base 2.
  • the outside diameter of the moving part 4 is slightly greater than the diameter of the opening 10 while being however less than the inside diameter of the neck 12.
  • the movable part is returned to the interior of the base 4.
  • the upper stops 28 then the lower stops 26 therefore pass through the opening 10. This thus engages the movable part 4 towards the inside of the base 2. In this position, the teeth 22 are protected so that they cannot become dull before mounting the base 2 on a package.
  • the plug 6 has a bottom 38, a skirt 40, a first chimney 42, a second chimney 44 and a tamper-evident belt 46.
  • the skirt 40 extends at the periphery of the bottom 38. It has threads 48 on its inner face intended to cooperate with the threads 14 of the neck 12. There are therefore as many threads 48 on the skirt of the plug as there are threads 14 on the neck 12.
  • the first chimney 42 is intended to seal the plug 6. Its outer surface cooperates with the inner surface of the neck 12, at the upper edge 18 to achieve, in known manner, a seal. To guarantee a perfect seal, it is possible to provide a slightly larger diameter for the outside surface of the first chimney 42 than for the inside diameter of the neck 12.
  • the second chimney 44 is intended to come to cooperate with the part of the movable part 4 located above the shoulder 34 to control the movement of the movable part 4 in the manner of a cam.
  • the second chimney takes the same shape as the part of the movable part 4 located above the shoulder 34.
  • this second chimney has the general shape of a cylindrical tube of circular section extending from the bottom 38 and truncated by a plane inclined relative to the bottom 38. The inclination of this plane relative to the bottom 38 corresponds to the inclination of the plane truncating the moving part 4 relative to the opening 10.
  • the tamper-evident belt 46 is connected to the lower edge, that is to say opposite the bottom 38, of the skirt 40.
  • the connection between the belt 46 and the skirt 40 is made by breakable bridges.
  • the tamper-evident belt has tongues 50 turned towards the inside of the stopper 6. These tongues 50 come to cooperate with the peripheral rib 16 to allow a first opening of the stopper 6 to be seen.
  • the moving part 4 is then pushed inside the base 2.
  • the assembly shown in section in FIG. 4 is thus produced by breaking the bridges 35.
  • the second chimney presses on the edge of the moving part 4 which faces it.
  • the ribs 20 made at the neck 12 and the grooves 24 produced at the movable part 4 the latter cannot rotate with the plug 6. It can only move in axial translation in the direction causing the teeth 22 to exit.
  • the lower stops 26 hinder this translation but do not prevent it not.
  • the resistance created by these lower stops 26 is low compared to the resistance exerted on the teeth 22, which, to exit, must penetrate the packaging by crossing the wall thereof in order to provide an opening therein.
  • Figures 7 and 8 show a variant of the device shown in Figures 4 and 5. The same references are used here to represent the identical elements.
  • the free edge of the chimney 44, opposite the bottom 38 is in the form of a helix.
  • This propeller has a pitch h.
  • the free end of the movable part 4 opposite the teeth 22 also has an edge in the form of a helix of pitch h.
  • the operation of this device is the same as that of the device described above. The only difference lies in the fact that to achieve the complete stroke of the movable part 4 in translation, it is necessary to rotate the plug 6 through 360 ° while in the embodiment of Figures 3 and 4, 180 ° are sufficient .
  • This device is also produced in two stages of molding. As before, the moving part 4 and the base 2 are molded in a single step.
  • the devices described above are of a low cost price. Indeed, two molding operations are sufficient to achieve them. The investments to be made to produce such a device are therefore limited. In addition, the assembly operations required then to make this device are limited since there is no point in orienting the moving part 4 relative to the base 2. As a result, it can be industrialized at high speed because the operation d orientation is a manufacturing step that would be performed manually.
  • this device is very simple. Indeed, for the user who unscrews the cap 6, everything happens as if he was unscrewing a cap from a bottle. Only the torque to be exerted to unblock the plug 6 during the first opening is greater than for unscrewing an ordinary plug.
  • the screw cap described above is a cap having a tamper-evident ring with inverted lips. Another type of inviolability can be chosen. It is even possible to have a stopper here without a tamper-evident device.
  • the grooves and ribs allowing guiding in translation of the moving part could have a different shape, for example triangular, from that described above.
  • the number of these grooves / ribs may be different from two.

Abstract

The invention concerns a device comprising a base (2) with a flange (8), an opening (10) enclosed with a threaded neck (12). The screw cap (6) co-operates with the threaded neck (12) to close the package after it has been open once and has a bottom (38) and a skirt (40) provided with a thread (48). The device further comprises a part (4) mobile in translation with teeth (22) at its end located on the opening (10) side and guided into the threaded neck (12). The screw cap (6) is provided with cam-type means (44) co-operating with matching means arranged on the mobile part (4) to enable, when it is unscrewed, to thrust axially the mobile piece (4) inside the package. The mobile part (4) is moulded in one single piece with the base (2), with breakable hasps connecting the two parts.

Description

FERMETURE AYANT MOYENS DE PERFORATION ET EMBOUT VERSEUR CLOSURE HAVING PUNCHING MEANS AND POURING END
La présente invention concerne un dispositif muni d'un bouchon à vis destiné à 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 provided with a screw cap intended for packaging. It is more particularly intended for packaging commonly called bricks and which are produced 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 aforementioned type of packaging is often used because it has many advantages compared to glass or synthetic bottles. Indeed, these packages often have a parallelepiped shape, which allows optimal storage without loss of space. In addition, these packaging allow 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 it is desired 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 for opening such packages consists simply in unfolding a corner of this package and, using, for example, scissors, cutting a point so as to make an opening. An opening has thus been made in the packaging, but it is difficult to close it 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 the packaging and to provide the latter with a closing device. A cut is then made in a wall of the package, preferably the upper wall. A closure device generally comprising a base fixed on the packaging and surrounding the opening as well as a cover articulated on this base and coming to cooperate with it so as to produce a sealed closure takes place at the level of the cutout. In order to keep the qualities of good preservation of food products in the packaging, due in particular to the presence of an aluminum layer inside the packaging, an aluminum tab is stuck on the l opening. Thus, to open the packaging, simply open the lid, by rotating it on the base, and remove the glued tab made from 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.A disadvantage of this device is that it requires carrying out a opening in the packaging thus creating a solution of continuity in the wall protecting the product packaged in this packaging. The latter then has a weak point at this opening. In addition, the establishment of this device on a package requires many precautions and great precision, especially when it comes to setting up the tongue made of an aluminum sheet.
Le document EP-0 328 652 décrit un dispositif muni d'un bouchon à vis destiné à une brique. Ce dispositif comporte une base destinée à venir prendre place sur une paroi de l'emballage et comportant un col fileté avec lequel coopère un bouchon à vis. Une pièce mobile munie d'une lame de descellement permet de réaliser la découpe de la paroi de l'emballage. Des surfaces de guidage sont ménagées au niveau du bouchon à vis et de la pièce mobile de telle sorte que, lorsqu'on tourne le bouchon à vis dans la direction de son ouverture, la pièce mobile est tournée et sa lame de descellement est pressée vers le bas de manière à ce que celle-ci rompe la paroi de l'emballage afin d'ouvrir un orifice de versement.Document EP-0 328 652 describes a device provided with a screw cap intended for a brick. This device comprises a base intended to take place on a wall of the packaging and comprising a threaded neck with which a screw cap cooperates. A moving part provided with a loosening blade makes it possible to cut the wall of the packaging. Guide surfaces are provided at the screw cap and the moving part so that, when the screw cap is turned in the direction of its opening, the moving part is turned and its loosening blade is pressed towards the bottom so that it breaks the wall of the package in order to open a pouring orifice.
Ce dispositif permet de réaliser une découpe dans la paroi de l'emballage et de réaliser une bonne étanchéité. Toutefois, son prix de revient est élevé car il nécessite la fabrication de trois pièces minimum. La présente invention a 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, destiné à prendre place à un emplacement sur l'emballage où l'aluminium est mis à nu ou au niveau d'une prédécoupe, et qui permet une excellente fermeture de l'emballage après sa première ouverture. Ce dispositif selon l'invention aura de préférence un coût de revient peu élevé. En outre, il présentera de manière avantageuse des moyens d'inviolabilité. Ainsi il sera possible de détecter la première ouverture de cet emballage.This device makes it possible to cut out the wall of the packaging and to achieve good sealing. However, its cost price is high because it requires the manufacture of at least three pieces. The object of the present invention is to provide a device making it possible to open and close a package, in particular a package made of a composite material comprising, for example cardboard and aluminum, intended to take place at a location on the package. where the aluminum is exposed or at the level of a precut, and which allows an excellent closing of the packaging after its first opening. This device according to the invention will preferably have a low cost price. In addition, it will advantageously present means of inviolability. Thus it will be possible to detect the first opening of this packaging.
À cet effet, le dispositif qu'elle propose est un dispositif muni d'un bouchon à vis destiné à un emballage, par exemple une brique, comportant : une base présentant 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 et présentant une ouverture entourée d'un col fileté, le bouchon à vis, coopérant avec le col fileté de la base pour permettre une fermeture de l'emballage après sa première ouverture, présentant un fond ainsi qu'une jupe extérieure munie d'au moins un filet intérieur, et muni de moyens de type came coopérant avec des moyens complémentaires disposés sur la pièce mobile pour permettre, lors d'un dévissage, de pousser axialement la pièce mobile vers l'intérieur de l'emballage, une pièce mobile en translation axiale présentant des dents à son extrémité se trouvant du côté de l'ouverture et étant guidée dans le col fileté entre une première position où elle se trouve entièrement à l'intérieur du col fileté et une seconde position dans laquelle les dents se trouvent à l'intérieur de l'emballage.To this end, the device which it offers is a device provided with a screw cap intended for a package, for example a brick, comprising: a base having a flange intended to marry the wall of the package, preferably its upper wall, and to allow the fixing, for example by gluing, of the base on the packaging and having an opening surrounded by a threaded neck, the screw cap cooperating with the threaded neck of the base for allow the packaging to be closed after its first opening, having a bottom and an outer skirt provided with at least one internal thread, and provided with cam-type means cooperating with complementary means arranged on the movable part to allow, when unscrewing, axially pushing the moving part towards the inside of the packaging, a moving part in axial translation having teeth at its end located on the side of the opening and being guided in the threaded neck between a first position where it is entirely inside the threaded neck and a second position in which the teeth are inside the packaging.
Selon l'invention, la pièce mobile est moulée en une seule pièce avec la base, des pontets ruptibles reliant ces deux pièces.According to the invention, the moving part is molded in one piece with the base, breakable bridges connecting these two parts.
Ainsi, pour réaliser le dispositif selon l'invention, on réalise d'une part la base et la pièce mobile et d'autre part le bouchon à vis. Il devient inutile de réaliser une opération d'orientation de la pièce mobile par rapport à la base. Le dispositif selon l'invention est de ce fait industrialisable à haute cadence et ne nécessite que des investissements réduits. Dans une première forme de réalisation, les pontets ruptibles se trouvent au niveau de l'ouverture et à la base des moyens complémentaires de la pièce mobile pour pousser axialement cette pièce vers l'intérieur de l'emballage.Thus, to produce the device according to the invention, the base and the movable part are produced on the one hand and the screw cap on the other hand. It becomes unnecessary to carry out an operation of orienting the moving part with respect to the base. The device according to the invention is therefore industrializable at high speed and requires only reduced investments. In a first embodiment, the breakable bridges are located at the opening and at the base of the complementary means of the movable part to axially push this part towards the interior of the packaging.
Les pontets peuvent être rompus lorsque la pièce mobile est dans sa première position dans laquelle elle se trouve entièrement à l'intérieur du col fileté.The bridges can be broken when the moving part is in its first position in which it is entirely inside the threaded neck.
Dans une forme de réalisation préférée, la pièce mobile est une pièce tubulaire sensiblement cylindrique de section circulaire dont une extrémité se situe sensiblement dans un plan radial et est munie de dents et qui présente au niveau de l'autre extrémité un bord incliné par rapport à un plan radial sur au moins une partie de la périphérie de la pièce mobile.In a preferred embodiment, the moving part is a substantially cylindrical tubular part of circular section, one end of which is substantially in a radial plane and is provided with teeth and which has at the other end an edge inclined relative to a radial plane over at least part of the periphery of the moving part.
Le bouchon à vis peut comporter une cheminée s'étendant axialement à partir du fond et dont le bord libre est incliné par rapport au fond sur au moins une partie de sa périphérie. Un tel bouchon présentera avantageusement un bord incliné de même inclinaison que le bord de la pièce mobile s'il est utilisé en combinaison avec une pièce mobile telle que décrite ci-dessus. De préférence, dans ce dernier cas, le bord libre de la cheminée est parallèle au bord de la pièce mobile lorsque cette dernière est en position rentrée dans le col fileté.The screw cap may include a chimney extending axially from the bottom and the free edge of which is inclined relative to the bottom over at least part of its periphery. Such a stopper will advantageously have an inclined edge with the same inclination as the edge of the moving part if it is used in combination with a moving part such as described above. Preferably, in the latter case, the free edge of the chimney is parallel to the edge of the moving part when the latter is in the retracted position in the threaded neck.
Dans une autre forme de réalisation, la pièce mobile est une pièce sensiblement cylindrique dont le bord opposé à celui portant les dents présente la forme d'un pas d'hélice autour de l'axe du dispositif et en ce que le bord libre de la cheminée est parallèle au bord de la pièce mobile lorsque cette dernière est en position rentrée dans le col fileté.In another embodiment, the moving part is a substantially cylindrical part, the edge opposite to that carrying the teeth has the shape of a helical pitch around the axis of the device and in that the free edge of the chimney is parallel to the edge of the moving part when the latter is in the retracted position in the threaded neck.
Une forme de réalisation préférentielle prévoit que les moyens de guidage de la pièce mobile par rapport au col fileté comportent au moins une nervure glissant dans une rainure correspondante. On peut prévoir la nervure dans le col fileté et la rainure sur la pièce mobile ou inversement.A preferred embodiment provides that the means for guiding the movable part with respect to the threaded neck comprise at least one rib sliding in a corresponding groove. We can provide the rib in the threaded neck and the groove on the moving part or vice versa.
Avantageusement, des butées sont prévues pour limiter la course de la pièce mobile. Pour détecter une première ouverture du bouchon à vis, ce dernier est avantageusement muni d'une bague d'inviolabilité reliée à la jupe du bouchon.Advantageously, stops are provided to limit the travel of the moving part. To detect a first opening of the screw cap, the latter is advantageously provided with a tamper-evident ring connected to the skirt of the cap.
La pièce mobile peut également servir de régulateur de débit. Avantageusement, la pièce mobile ne présente des dents que sur une partie de la périphérie de son extrémité se trouvant du côté de l'ouverture.The moving part can also be used as a flow regulator. Advantageously, the moving part has teeth only on a part of the periphery of its end located on the side of the opening.
La présente invention concerne aussi une pièce moulée pour la réalisation d'un dispositif selon l'invention. Cette pièce constituée par la base du dispositif et la pièce mobile et des pontets ruptibles relient ces deux pièces.The present invention also relates to a molded part for the production of a device according to the invention. This part constituted by the base of the device and the movable part and breakable bridges connect these two parts.
La pièce moulée selon l'invention est avantageusement telle que les dents de la pièce mobile se trouvent en position sortie et telle que les pontets ruptibles se situent au niveau de l'ouverture de la base.The molded part according to the invention is advantageously such that the teeth of the movable part are in the extended position and such that the breakable bridges are located at the opening of the base.
De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant une pièce moulée et deux formes de réalisation d'un dispositif selon l'invention.In any case, the invention will be clearly understood with the aid of the description which follows, with reference to the appended schematic drawing representing a molded part and two embodiments of a device according to the invention.
Figure 1 est une vue en perspective d'un composant du dispositif selon l'invention, Figure 2 est une vue de côté à échelle agrandie, partiellement en coupe de la pièce représentée sur la figure 1 Figure 3 est une vue de dessus de la pièce montrée à la figure 2,Figure 1 is a perspective view of a component of the device according to the invention, Figure 2 is a side view on an enlarged scale, partially in section of the part shown in Figure 1 FIG. 3 is a top view of the part shown in FIG. 2,
Figure 4 est une vue en coupe longitudinale d'un dispositif selon l'invention en position de fermeture, Figure 5 est une vue correspondant à la figure 4 en position ouverte,FIG. 4 is a view in longitudinal section of a device according to the invention in the closed position, FIG. 5 is a view corresponding to FIG. 4 in the open position,
Figure 6 est une vue de détail montrant l'entraînement de la pièce en mouvement du dispositif, etFIG. 6 is a detailed view showing the drive of the moving part of the device, and
Figures 7 et 8 sont des vues correspondant aux figures 4 et 5 pour une variante d'exécution.Figures 7 and 8 are views corresponding to Figures 4 and 5 for an alternative embodiment.
Le dispositif représenté sur les figures 4 à 6 est destiné à être fixé, par exemple par collage, sur la face supérieure d'un emballage de forme parallélépipédique et généralement appelé brique. Un tel emballage 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.The device shown in Figures 4 to 6 is intended to be fixed, for example by gluing, on the upper face of a package of parallelepiped shape and generally called brick. Such packaging consists of two rectangular sheets of composite material, comprising in particular a layer of cardboard and a layer of aluminum, welded to each other and folded so as to form a parallelepiped. This type of packaging is known and is commonly used for the packaging of food products, in particular drinks.
Le dispositif selon l'invention comporte une base 2, une pièce mobile 4 et un bouchon à vis 6. De manière préférée, le dispositif est réalisé en matière synthétique. Afin de n'avoir que deux opérations de moulage, pour obtenir les trois pièces indiquées ci-dessus, la base 2 et la pièce mobile 4 sont moulées en une seule opération. On obtient alors la pièce représentée aux figures 1 à 3 et qui est décrite plus en détail ci- après.The device according to the invention comprises a base 2, a moving part 4 and a screw cap 6. Preferably, the device is made of synthetic material. In order to have only two molding operations, to obtain the three parts indicated above, the base 2 and the moving part 4 are molded in a single operation. This gives the part shown in Figures 1 to 3 and which is described in more detail below.
La base 2 comporte un flasque 8 de forme plane rectangulaire et dans lequel est réalisée une ouverture circulaire 10. Une face du flasque 8 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 par exemple d'un joint de colle. Un col 12 cylindrique circulaire s'étend autour de l'ouverture 10 du côté du flasque 8 opposé à la face destinée à venir au contact de l'emballage. Le col 12 est fileté sur sa face extérieure. Il comporte par exemple un filet 14. Il comporte en outre une nervure périphérique 16 disposée entre les filets 14 et le fiasque 8. Cette nervure 16 est destinée à coopérer avec une bague d'inviolabilité qui sera décrite plus loin.The base 2 includes a flange 8 of rectangular planar shape and in which a circular opening 10 is made. One face of the flange 8 is planar and is intended to conform to the shape of the upper face of the packaging. It attaches to the latter using for example a glue joint. A circular cylindrical neck 12 extends around the opening 10 on the side of the flange 8 opposite the face intended to come into contact with the packaging. The neck 12 is threaded on its outer face. It comprises for example a thread 14. It further comprises a peripheral rib 16 disposed between the threads 14 and the flange 8. This rib 16 is intended to cooperate with a tamper-evident ring which will be described later.
Le bord supérieur 18 du col 12 est réalisé de telle sorte qu'il permette de verser proprement un liquide sortant de l'emballage et passant à l'intérieur du col 12.The upper edge 18 of the neck 12 is produced so that it allows to pour cleanly a liquid coming out of the packaging and passing inside the neck 12.
La face intérieure du col 12 présente deux nervures 20 s'étendant axialement, diamétralement opposées. Ces nervures sont sensiblement rectangulaires (figure 3) et s'étendent à partir de l'ouvertureThe inner face of the neck 12 has two ribs 20 extending axially, diametrically opposite. These ribs are substantially rectangular (Figure 3) and extend from the opening
10 jusqu'à environ la moitié de la hauteur du col 12. Ces nervures 20 sont destinées à permettre le guidage de la pièce mobile 4.10 to about half the height of the neck 12. These ribs 20 are intended to allow the moving part 4 to be guided.
La pièce mobile 4 est de forme générale cylindrique circulaire. Son diamètre extérieur est légèrement inférieur au diamètre de l'ouverture 10 dans laquelle elle est amenée à coulisser.The moving part 4 is of generally circular cylindrical shape. Its outside diameter is slightly smaller than the diameter of the opening 10 in which it is made to slide.
L'extrémité inférieure de la pièce mobile 4, c'est-à-dire l'extrémité qui en position de montage et destinée à se trouver du côté de l'emballage, est munie sur une partie de sa périphérie de dents 22. Ces dernières sont destinées à venir perforer la paroi de l'emballage sur lequel le dispositif selon l'invention sera disposé. On remarque sur la figure 1 une zone de l'extrémité inférieure de la pièce mobile 4 non munie de dents. Sur les vues en coupe, cette zone n'est pas visible car elle fait partie de la partie coupée de la pièce 4.The lower end of the moving part 4, that is to say the end which, in the mounting position and intended to be on the side of the packaging, is provided on a part of its periphery with teeth 22. These the latter are intended to perforate the wall of the packaging on which the device according to the invention will be disposed. Note in Figure 1 an area of the lower end of the movable part 4 not provided with teeth. On section views, this area is not visible because it is part of the cut part of part 4.
Dans la forme de réalisation des figures 1 à 6, l'extrémité supérieure de la pièce mobile 4 se trouve dans un plan incliné par rapport au plan de l'ouverture 10. Ainsi, la hauteur de la pièce mobile à gauche sur les figures 2 à 5 est sensiblement supérieure à la hauteur de cette pièce 4 à droite sur ces mêmes figures.In the embodiment of Figures 1 to 6, the upper end of the movable part 4 is in an inclined plane relative to the plane of the opening 10. Thus, the height of the movable part on the left in Figures 2 to 5 is substantially greater than the height of this part 4 on the right in these same figures.
La face extérieure de la pièce mobile 4 présente deux rainures 24 s'étendant axialement sur toute la hauteur de la pièce mobile 4. Ces rainures sont diamétralement opposées et de section rectangulaire, elles sont destinées à coopérer avec les nervures 20 du col fileté 12 pour assurer le guidage de la pièce mobile 4.The outer face of the moving part 4 has two grooves 24 extending axially over the entire height of the moving part 4. These grooves are diametrically opposite and of rectangular section, they are intended to cooperate with the ribs 20 of the threaded neck 12 for guiding the moving part 4.
On trouve également sur la face extérieure de la pièce mobile 4 deux séries de butées. Une première série de quatre butées 26 se trouve juste au-dessus des dents 22. La deuxième série de butées comporte également quatre butées 28 et se trouve au-dessus de la première série de butées 26 à une distance sensiblement égale à la différence de hauteur entre, sur les figures, la partie gauche de la pièce mobile 4 et la partie droite de cette pièce. Cette différence de hauteur correspond sensiblement à la course de la pièce mobile 4. Au centre de la pièce mobile, se trouve un dispositif de type connu permettant de briser le flux d'un liquide, par exemple une boisson, passant par l'intérieur de la pièce mobile 4. Ce dispositif comporte un téton 30 s'étendant axialement au centre de la pièce mobile 4 ainsi que trois tiges de liaison 32 reliant le téton central 30 à la paroi intérieure de la pièce mobile 4.There are also two sets of stops on the outside of the moving part 4. A first series of four stops 26 is located just above the teeth 22. The second series of stops also has four stops 28 and is located above the first series of stops 26 at a distance substantially equal to the height difference between, in the figures, the left part of the moving part 4 and the right part of this part. This difference in height corresponds substantially to the stroke of the moving part 4. In the center of the moving part, there is a device of known type making it possible to break the flow of a liquid, for example a drink, passing through the interior of the moving part 4. This device comprises a pin 30 extending axially in the center of the moving part 4 as well as three connecting rods 32 connecting the central stud 30 to the inner wall of the moving part 4.
Comme on l'aperçoit sur les figures, la face extérieure de la pièce mobile présente un épaulement 34 délimitant la zone de type came de la pièce mobile du corps de cette pièce portant les dents 22. Comme déjà indiqué plus haut, la base 2 et la pièce mobile 4 sont moulées en une seule opération. En sortie de moulage, la pièce constituée par la base 2 et la pièce mobile 4 est telle que représentée sur les figures 1 à 3. Des pontets ruptibles 35 relient au niveau de l'ouverture 10 la base 2 à la pièce mobile 4. Tant les butées inférieures 26 que les butées supérieures 28 de la pièce mobile se trouvent à l'extérieur de la base 2. Au niveau des butées, le diamètre extérieur de la pièce mobile 4 est légèrement supérieur au diamètre de l'ouverture 10 tout en étant cependant inférieur au diamètre intérieur du col 12. Au niveau de l'ouverture 10, on a donc sur la base 2 un petit épaulement 36. Ce dernier est destiné à servir de contrebutee aux butées inférieures 26 et supérieures 28.As can be seen in the figures, the outer face of the movable part has a shoulder 34 delimiting the cam-type zone of the movable part of the body of this part carrying the teeth 22. As already indicated above, the base 2 and the moving part 4 are molded in a single operation. At the outlet of the molding, the part constituted by the base 2 and the movable part 4 is as shown in FIGS. 1 to 3. Breakable bridges 35 connect at the level of the opening 10 the base 2 to the movable part 4. Both the lower stops 26 that the upper stops 28 of the moving part are located outside of the base 2. At the stops, the outside diameter of the moving part 4 is slightly greater than the diameter of the opening 10 while being however less than the inside diameter of the neck 12. At the opening 10, there is therefore on the base 2 a small shoulder 36. The latter is intended to serve as a buttress for the lower stops 26 and upper 28.
Après le moulage de cette pièce, on vient rentrer la pièce mobile à l'intérieur de la base 4. Les butées supérieures 28 puis les butées inférieures 26 passent donc à travers l'ouverture 10. On réalise ainsi un encliquetage de la pièce mobile 4 vers l'intérieur de la base 2. Dans cette position, les dents 22 sont protégées de telle sorte qu'elles ne puissent pas s'émousser avant le montage de la base 2 sur un emballage.After the molding of this part, the movable part is returned to the interior of the base 4. The upper stops 28 then the lower stops 26 therefore pass through the opening 10. This thus engages the movable part 4 towards the inside of the base 2. In this position, the teeth 22 are protected so that they cannot become dull before mounting the base 2 on a package.
Le bouchon 6 comporte un fond 38, une jupe 40, une première cheminée 42, une seconde cheminée 44 ainsi qu'une ceinture d'inviolabilité 46.The plug 6 has a bottom 38, a skirt 40, a first chimney 42, a second chimney 44 and a tamper-evident belt 46.
La jupe 40 s'étend à la périphérie du fond 38. Elle présente sur sa face intérieure des filets 48 destinés à coopérer avec les filets 14 du col 12. On retrouve donc autant de filets 48 sur la jupe du bouchon que de filets 14 sur le col 12. La hauteur de la jupe 40, y compris la ceinture d'inviolabilité 46, correspond sensiblement à la hauteur du col 12 (figure 4). La première cheminée 42 est destinée à assurer l'étanchéité du bouchon 6. Sa surface extérieure vient coopérer avec la surface intérieure du col 12, au niveau du bord supérieur 18 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 42 que pour le diamètre intérieur du col 12.The skirt 40 extends at the periphery of the bottom 38. It has threads 48 on its inner face intended to cooperate with the threads 14 of the neck 12. There are therefore as many threads 48 on the skirt of the plug as there are threads 14 on the neck 12. The height of the skirt 40, including the tamper-evident belt 46, corresponds substantially to the height of the neck 12 (Figure 4). The first chimney 42 is intended to seal the plug 6. Its outer surface cooperates with the inner surface of the neck 12, at the upper edge 18 to achieve, in known manner, a seal. To guarantee a perfect seal, it is possible to provide a slightly larger diameter for the outside surface of the first chimney 42 than for the inside diameter of the neck 12.
La seconde cheminée 44 est destinée à venir coopérer avec la partie de la pièce mobile 4 se trouvant au-dessus de l'épaulement 34 pour commander à la manière de came le déplacement de la pièce mobile 4.The second chimney 44 is intended to come to cooperate with the part of the movable part 4 located above the shoulder 34 to control the movement of the movable part 4 in the manner of a cam.
La seconde cheminée reprend la même forme que la partie de la pièce mobile 4 se trouvant au-dessus de l'épaulement 34. En effet, cette seconde cheminée présente une forme générale d'un tube cylindrique de section circulaire s'étendant à partir du fond 38 et tronquée par un plan incliné par rapport au fond 38. L'inclinaison de ce plan par rapport au fond 38 correspond à l'inclinaison du plan tronquant la pièce mobile 4 par rapport à l'ouverture 10.The second chimney takes the same shape as the part of the movable part 4 located above the shoulder 34. In fact, this second chimney has the general shape of a cylindrical tube of circular section extending from the bottom 38 and truncated by a plane inclined relative to the bottom 38. The inclination of this plane relative to the bottom 38 corresponds to the inclination of the plane truncating the moving part 4 relative to the opening 10.
Lorsque le bouchon 6 est entièrement vissé sur le col 12, le bord libre de la seconde cheminée 44 est parallèle au bord non muni de dents de la pièce mobile 4. Ces deux bords se font face.When the plug 6 is fully screwed onto the neck 12, the free edge of the second chimney 44 is parallel to the edge not provided with teeth of the moving part 4. These two edges face each other.
La ceinture d'inviolabilité 46 est reliée au bord inférieur, c'est-à- dire opposé au fond 38, de la jupe 40. La liaison entre la ceinture 46 et la jupe 40 est réalisée par des pontets ruptibles. La ceinture d'inviolabilité comporte des languettes 50 retournées vers l'intérieur du bouchon 6. Ces languettes 50 viennent coopérer avec la nervure périphérique 16 pour permettre de visualiser une première ouverture du bouchon 6.The tamper-evident belt 46 is connected to the lower edge, that is to say opposite the bottom 38, of the skirt 40. The connection between the belt 46 and the skirt 40 is made by breakable bridges. The tamper-evident belt has tongues 50 turned towards the inside of the stopper 6. These tongues 50 come to cooperate with the peripheral rib 16 to allow a first opening of the stopper 6 to be seen.
Le fonctionnement du dispositif selon l'invention représenté sur les figures 4 et 5 est alors le suivant :The operation of the device according to the invention shown in Figures 4 and 5 is then as follows:
Une fois l'ensemble représenté sur les figures 1 à 3 et le bouchon 6 moulés, ce dernier est vissé sur le col fileté 12 de la base 2.Once the assembly shown in FIGS. 1 to 3 and the plug 6 molded, the latter is screwed onto the threaded neck 12 of the base 2.
La pièce mobile 4 est alors poussée à l'intérieur de la base 2. On réalise ainsi l'ensemble montré en coupe sur la figure 4 en rompant les pontets 35.The moving part 4 is then pushed inside the base 2. The assembly shown in section in FIG. 4 is thus produced by breaking the bridges 35.
Lorsque le bouchon 6 est dévissé pour la première fois, la seconde cheminée vient appuyer sur le bord de la pièce mobile 4 qui lui fait face. De par les nervures 20 réalisées au niveau du col 12 et des rainures 24 réalisées au niveau de la pièce mobile 4, cette dernière ne peut pas tourner avec le bouchon 6. Elle peut uniquement se déplacer en translation axiale dans le sens faisant sortir les dents 22. Les butées inférieures 26 gênent cette translation mais ne l'empêchent pas. La résistance créée par ces butées inférieures 26 est faible par rapport à la résistance s'exerçant sur les dents 22, qui pour sortir, doivent pénétrer dans l'emballage en traversant la paroi de celui-ci afin d'y ménager une ouverture.When the plug 6 is unscrewed for the first time, the second chimney presses on the edge of the moving part 4 which faces it. By the ribs 20 made at the neck 12 and the grooves 24 produced at the movable part 4, the latter cannot rotate with the plug 6. It can only move in axial translation in the direction causing the teeth 22 to exit. The lower stops 26 hinder this translation but do not prevent it not. The resistance created by these lower stops 26 is low compared to the resistance exerted on the teeth 22, which, to exit, must penetrate the packaging by crossing the wall thereof in order to provide an opening therein.
Lorsque le bouchon a effectué une rotation de 180°, on arrive à la position représentée sur la figure 5. Les dents 22 ont pénétré à l'intérieur de l'emballage en réalisant une ouverture dans la paroi de celui-ci. Les butées supérieures 28 reposent contre l'épaulement 36. Lors de ce dévissage, la bague d'inviolabilité 46 s'est désolidarisée de la jupe 40.When the plug has rotated 180 °, we arrive at the position shown in Figure 5. The teeth 22 have entered the interior of the package by making an opening in the wall thereof. The upper stops 28 rest against the shoulder 36. During this unscrewing, the tamper-evident ring 46 is detached from the skirt 40.
En continuant le dévissage du bouchon, la seconde cheminée 44 n'entraîne plus la pièce mobile 4. On réalise alors uniquement l'ouverture du dispositif pour permettre au liquide se trouvant dans l'emballage que l'on vient d'ouvrir de sortir de ce dernier.By continuing to unscrew the plug, the second chimney 44 no longer drives the moving part 4. The device is then only opened to allow the liquid in the packaging that has just been opened to exit from this last.
Il est possible de refermer cet emballage en vissant simplement le bouchon 6 sur le col 12. La pièce mobile 4 à l'intérieur de la base 2 ne gêne absolument pas ce vissage. Les figures 7 et 8 représentent une variante du dispositif représenté sur les figures 4 et 5. Les mêmes références sont utilisées ici pour représenter les éléments identiques.It is possible to close this packaging by simply screwing the cap 6 onto the neck 12. The movable part 4 inside the base 2 does not in any way interfere with this screwing. Figures 7 and 8 show a variant of the device shown in Figures 4 and 5. The same references are used here to represent the identical elements.
La différence entre cette variante d'exécution et la variante précédente réside dans les moyens permettant de déplacer la pièce mobile 4. Ces différences se trouvent donc au niveau de l'extrémité de la pièce mobile 4 opposée aux dents 22 ainsi qu'au niveau de la seconde cheminéeThe difference between this variant and the previous variant resides in the means making it possible to move the moving part 4. These differences are therefore found at the end of the moving part 4 opposite the teeth 22 as well as at the second chimney
44.44.
Dans la variante des figures 4 et 5, avant la première ouverture du bouchon 6, la pièce mobile 4 et la seconde cheminée 44 sont séparées par un plan incliné par rapport à l'axe du dispositif. Dans la variante des figures 7 et 8, la seconde cheminée 44 fait face à la pièce mobile 4 le long d'une hélice.In the variant of Figures 4 and 5, before the first opening of the plug 6, the movable part 4 and the second chimney 44 are separated by a plane inclined relative to the axis of the device. In the variant of Figures 7 and 8, the second chimney 44 faces the movable part 4 along a propeller.
En effet, dans cette forme de réalisation, le bord libre de la cheminée 44, opposé au fond 38 est en forme d'hélice. Cette hélice présente un pas h. De même, l'extrémité libre de la pièce mobile 4 opposée aux dents 22 présente elle-aussi un bord en forme d'hélice de pas h. Le fonctionnement de ce dispositif est le même que celui du dispositif décrit précédemment. La seule différence réside dans le fait que pour réaliser la course complète de la pièce mobile 4 en translation, il est nécessaire de réaliser une rotation du bouchon 6 sur 360° tandis que dans le mode de réalisation des figures 3 et 4, 180° suffisent.Indeed, in this embodiment, the free edge of the chimney 44, opposite the bottom 38 is in the form of a helix. This propeller has a pitch h. Similarly, the free end of the movable part 4 opposite the teeth 22 also has an edge in the form of a helix of pitch h. The operation of this device is the same as that of the device described above. The only difference lies in the fact that to achieve the complete stroke of the movable part 4 in translation, it is necessary to rotate the plug 6 through 360 ° while in the embodiment of Figures 3 and 4, 180 ° are sufficient .
Ce dispositif est également réalisé en deux étapes de moulage. De même que précédemment, la pièce mobile 4 et la base 2 sont moulées en une seule étape.This device is also produced in two stages of molding. As before, the moving part 4 and the base 2 are molded in a single step.
Les dispositifs décrits ci-dessus sont d'un prix de revient peu élevé. En effet, deux opérations de moulage suffisent pour les réaliser. Les investissements à réaliser pour produire un tel dispositif sont donc restreints. De plus, les opérations d'assemblage nécessaires alors pour réaliser ce dispositif sont limitées puisqu'il est inutile d'orienter la pièce mobile 4 par rapport à la base 2. De ce fait, il est industrialisable à haute cadence car l'opération d'orientation est une étape de fabrication qui serait réalisée manuellement.The devices described above are of a low cost price. Indeed, two molding operations are sufficient to achieve them. The investments to be made to produce such a device are therefore limited. In addition, the assembly operations required then to make this device are limited since there is no point in orienting the moving part 4 relative to the base 2. As a result, it can be industrialized at high speed because the operation d orientation is a manufacturing step that would be performed manually.
De plus, l'utilisation de ce dispositif est très simple. En effet, pour l'utilisateur qui dévisse le bouchon 6, tout se passe comme s'il dévissait un bouchon d'une bouteille. Seul le couple à exercer pour déboucher le bouchon 6 lors de la première ouverture est plus important que pour le dévissage d'un bouchon ordinaire.In addition, the use of this device is very simple. Indeed, for the user who unscrews the cap 6, everything happens as if he was unscrewing a cap from a bottle. Only the torque to be exerted to unblock the plug 6 during the first opening is greater than for unscrewing an ordinary plug.
Comme il va de soi, l'invention ne se limité pas aux deux formes de réalisation décrites ci-dessus à titre d'exemples non limitatifs ; elle en embrasse au contraire toutes les variantes dans le cadre des revendications ci-après.It goes without saying that the invention is not limited to the two embodiments described above by way of nonlimiting examples; on the contrary, it embraces all variants thereof within the scope of the claims below.
Ainsi, on ne sortirait pas du cadre de l'invention en modifiant les moyens permettant l'entraînement en translation de la pièce mobile. De même, pour le guidage de cette pièce mobile, il existe d'autres solutions que d'avoir une rainure sur la pièce mobile et une nervure sur la base. Le bouchon à vis décrit ci-dessus est un bouchon présentant une bague d'inviolabilité à lèvres retournées. Un autre type d'inviolabilité peut être choisi. Il est même envisageable d'avoir ici un bouchon sans dispositif d'inviolabilité.Thus, it would not go beyond the scope of the invention to modify the means allowing the moving part to be driven in translation. Similarly, for guiding this moving part, there are other solutions than having a groove on the moving part and a rib on the base. The screw cap described above is a cap having a tamper-evident ring with inverted lips. Another type of inviolability can be chosen. It is even possible to have a stopper here without a tamper-evident device.
Les rainures et nervures permettant le guidage en translation de la pièce mobile pourraient présenter une forme différente, par exemple triangulaire, de celle décrite ci-dessus. Le nombre de ces rainures/nervures peut être différent de deux. The grooves and ribs allowing guiding in translation of the moving part could have a different shape, for example triangular, from that described above. The number of these grooves / ribs may be different from two.

Claims

REVENDICATIONS
1 Dispositif muni d'un bouchon à vis (6) destiné un emballage, par exemple une brique, comportant : une base (2) présentant un flasque (8) 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 (2) sur l'emballage et présentant une ouverture (10) entourée d'un col fileté (12), le bouchon à vis (6), coopérant avec le col fileté (12) de la base (2) pour permettre une fermeture de l'emballage après sa première ouverture, présentant un fond (38) ainsi qu'une jupe (40) extérieure munie d'au moins un filet (48) intérieur, et muni de moyens (44) de type came coopérant avec des moyens complémentaires disposés sur la pièce mobile (4) pour permettre, lors d'un dévissage, de pousser axialement la pièce mobile (4) vers l'intérieur de l'emballage, une pièce mobile (4) en translation axiale présentant des dents1 device provided with a screw cap (6) intended for a package, for example a brick, comprising: a base (2) having a flange (8) intended to match the wall of the package, preferably its upper wall, and allowing the fixing, for example by gluing, of the base (2) on the packaging and having an opening (10) surrounded by a threaded neck (12), the screw cap (6), cooperating with the neck threaded (12) of the base (2) to allow the packaging to be closed after its first opening, having a bottom (38) as well as an outer skirt (40) provided with at least one inner thread (48), and provided with cam-type means (44) cooperating with complementary means arranged on the movable part (4) to allow, during unscrewing, to axially push the movable part (4) towards the interior of the packaging, a movable part (4) in axial translation having teeth
(22) à son extrémité se trouvant du côté de l'ouverture (10) et étant guidée dans le col fileté (12) entre une première position où elle se trouve entièrement à l'intérieur du col fileté (12) et une seconde position dans laquelle les dents (22) se trouvent à l'intérieur de l'emballage, caractérisé en ce que la pièce mobile (4) est moulée en une seule pièce avec la base (2), des pontets ruptibles (35) reliant ces deux pièces.(22) at its end located on the side of the opening (10) and being guided in the threaded neck (12) between a first position where it is entirely inside the threaded neck (12) and a second position in which the teeth (22) are inside the package, characterized in that the movable part (4) is molded in one piece with the base (2), breakable bridges (35) connecting these two rooms.
2. Dispositif selon la revendication 1 , caractérisé en ce que les pontets ruptibles se trouvent au niveau de l'ouverture (10) et à la base des moyens complémentaires de la pièce mobile (4) pour pousser axialement cette pièce vers l'intérieur de l'emballage.2. Device according to claim 1, characterized in that the breakable bridges are located at the opening (10) and at the base of the complementary means of the moving part (4) for axially pushing this part inwards. packaging.
3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que les pontets (35) sont rompus lorsque la pièce mobile est dans sa première position dans laquelle elle se trouve entièrement à l'intérieur du col fileté (12).3. Device according to one of claims 1 or 2, characterized in that the bridges (35) are broken when the movable part is in its first position in which it is entirely inside the threaded neck (12).
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la pièce mobile (4) est une pièce tubulaire sensiblement cylindrique de section circulaire tronquée par un plan incliné par rapport à l'axe du dispositif dont une extrémité se situe sensiblement dans un plan radial et est munie de dents (22) et qui présente au niveau de l'autre extrémité un bord incliné par rapport à un plan radial sur au moins une partie de la périphérie de la pièce mobile, et en ce que le bouchon à vis (6) comporte une cheminée (44) s'étendant axialement à partir du fond (38) et dont le bord libre est incliné par rapport au fond (38) et est parallèle au bord de la pièce mobile (4) lorsque cette dernière est en position rentrée dans le col fileté (12).4. Device according to one of claims 1 to 3, characterized in that the movable part (4) is a substantially cylindrical tubular part of circular section truncated by a plane inclined relative to the axis of the device, one end of which is located substantially in a radial plane and is provided with teeth (22) and which has at the other end an edge inclined relative to a radial plane on at least part of the periphery of the moving part, and in that the screw cap (6) comprises a chimney (44) extending axially from the bottom (38) and whose free edge is inclined relative to the bottom (38) and is parallel to the edge of the moving part (4) when the latter is in the retracted position in the threaded neck (12).
5. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la pièce mobile (4) est une pièce sensiblement cylindrique dont le bord opposé à celui portant les dents (22) présente la forme d'un pas d'hélice autour de l'axe du dispositif et en ce que le bord libre de la cheminée (44) est parallèle au bord de la pièce mobile (4) lorsque cette dernière est en position rentrée dans le col fileté (12).5. Device according to one of claims 1 to 3, characterized in that the movable part (4) is a substantially cylindrical part, the edge opposite to that carrying the teeth (22) has the shape of a helical pitch around the axis of the device and in that the free edge of the chimney (44) is parallel to the edge of the moving part (4) when the latter is in the retracted position in the threaded neck (12).
6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que les moyens de guidage de la pièce mobile (4) par rapport au col fileté (12) comportent au moins une nervure (20) glissant dans une rainure (24) correspondante.6. Device according to one of claims 1 to 5, characterized in that the means for guiding the movable part (4) relative to the threaded neck (12) comprise at least one rib (20) sliding in a groove (24 ) corresponding.
7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que des butées (26,28) sont prévues pour limiter la course de la pièce mobile (4).7. Device according to one of claims 1 to 6, characterized in that stops (26,28) are provided to limit the stroke of the movable part (4).
8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le bouchon à vis (6) est muni d'une bague d'inviolabilité (46) reliée à la jupe (40) du bouchon.8. Device according to one of claims 1 to 7, characterized in that the screw cap (6) is provided with a tamper-evident ring (46) connected to the skirt (40) of the cap.
9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que la pièce mobile (4) sert également de régulateur de débit.9. Device according to one of claims 1 to 8, characterized in that the movable part (4) also serves as a flow regulator.
10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que la pièce mobile ne présente des dents (22) que sur une partie de la périphérie de son extrémité se trouvant du côté de l'ouverture (10).10. Device according to one of claims 1 to 9, characterized in that the movable part has teeth (22) only on a part of the periphery of its end located on the side of the opening (10).
1 1. Pièce moulée pour la réalisation d'un dispositif selon l'une des revendications 1 à 10, caractérisée en ce qu'elle est constituée par la base (2) du dispositif et la pièce mobile (4) et en ce que des pontets ruptibles relient ces deux pièces.1 1. Molded part for the production of a device according to one of claims 1 to 10, characterized in that it is constituted by the base (2) of the device and the movable part (4) and in that breakable bridges connect these two parts.
12. Pièce moulée selon la revendication 1 1 , caractérisée en ce que les dents (22) de la pièce mobile (4) se trouvent en position sortie et en ce que les pontets ruptibles se situent au niveau de l'ouverture (10) de la base (2). 12. Molded part according to claim 1 1, characterized in that the teeth (22) of the movable part (4) are in the extended position and in that the breakable bridges are located at the opening (10) of the base (2).
EP99923644A 1998-06-02 1999-05-31 Closure with perforating means and pouring nozzle Revoked EP1084060B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9807123A FR2779127B1 (en) 1998-06-02 1998-06-02 DEVICE WITH A SCREW CAP FOR PACKAGING
FR9807123 1998-06-02
PCT/FR1999/001274 WO1999062776A1 (en) 1998-06-02 1999-05-31 Closure with perforating means and pouring nozzle

Publications (2)

Publication Number Publication Date
EP1084060A1 true EP1084060A1 (en) 2001-03-21
EP1084060B1 EP1084060B1 (en) 2004-03-03

Family

ID=9527083

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Application Number Title Priority Date Filing Date
EP99923644A Revoked EP1084060B1 (en) 1998-06-02 1999-05-31 Closure with perforating means and pouring nozzle

Country Status (6)

Country Link
EP (1) EP1084060B1 (en)
AT (1) ATE260814T1 (en)
AU (1) AU4043799A (en)
DE (1) DE69915285T2 (en)
FR (1) FR2779127B1 (en)
WO (1) WO1999062776A1 (en)

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WO2012034838A1 (en) 2010-09-15 2012-03-22 Robert Bosch Gmbh Closeable opening device for a sealed package
DE102011017797A1 (en) 2011-04-29 2012-10-31 Robert Bosch Gmbh Closable opening device for sealed package containing flowing medium, comprises spout fitting with cylindrical pipe section, flange, inner threading and outer threading, where cylindrical cutting element is provided with multiple recesses
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US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly
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Also Published As

Publication number Publication date
FR2779127B1 (en) 2000-07-13
DE69915285T2 (en) 2004-07-22
WO1999062776A1 (en) 1999-12-09
FR2779127A1 (en) 1999-12-03
EP1084060B1 (en) 2004-03-03
DE69915285D1 (en) 2004-04-08
AU4043799A (en) 1999-12-20
ATE260814T1 (en) 2004-03-15

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