EP0018325A1 - Closable container made of semi-rigid material, manufacturing process and means for using it - Google Patents

Closable container made of semi-rigid material, manufacturing process and means for using it Download PDF

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Publication number
EP0018325A1
EP0018325A1 EP80810120A EP80810120A EP0018325A1 EP 0018325 A1 EP0018325 A1 EP 0018325A1 EP 80810120 A EP80810120 A EP 80810120A EP 80810120 A EP80810120 A EP 80810120A EP 0018325 A1 EP0018325 A1 EP 0018325A1
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EP
European Patent Office
Prior art keywords
neck
ring
orifice
berlingot
skirt
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.)
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Application number
EP80810120A
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German (de)
French (fr)
Inventor
Alfred Rossier
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Individual
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Individual
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Publication of EP0018325A1 publication Critical patent/EP0018325A1/en
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    • 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

Definitions

  • the present invention relates to a container made of semi-rigid material for the conservation of liquids for domestic consumption, to a method of manufacturing the container and a means of implementing this method.
  • the product according to the invention provides a solution to these problems, by proposing a carton characterized in that it has, on one of its faces, an orifice which can be re-sealed after use; to this end, the edges of the orifice are reinforced with an eyelet of rigid material, forming a neck capable of receiving a plug, or a removable capsule, capable of being replaced after use.
  • the eyelet of rigid material riveted on the orifice is characteristic in that it consists of two rings, one of which, for the upper part, forms a neck and the other, for the lower part, is a washer coming to be riveted on the lower part, or skirt of the neck, of the upper ring, with which it comes to cooperate.
  • the inside diameter of the washer is equal to the outside diameter of the neck skirt.
  • the skirt is provided with vertical slots distributed around its periphery, which allows a slight reduction in its diameter and facilitates its forced penetration into the washer.
  • the washer has, at least on its upper face, a circular bead.
  • the crown of the ring has a circular groove on its underside, so that, when the ring is pressed into the washer, the bead would cooperate with said groove.
  • the crown of the neck-neck does not have a groove on its underside, but a circular protruding bead, and the skirt of the neck-neck is smooth, that is to say that 'it does not have a bulge forming a hook.
  • This simplified embodiment of the neck ring makes it easier to mount it on the orifice of the carton by a machine.
  • this embodiment makes it possible to dispense with the washer necessary for mounting in the first embodiment described above.
  • the neck ring may be of any material suitable for shore or glued to the orifice of the cart, for example made of metal or alloy; the prototype produced by the inventor is made of rigid plastic.
  • the stopper or the capsule once pressed into the neck ring, must ensure the watertight closure of the carton.
  • it can be made of any material suitable for this use: wood, cork, rubber, metal or plastic.
  • the stopper is a semi-rigid plastic capsule.
  • the upper part of the capsule forms a collar, the lower part is a hollow cylinder comprising, on its outer periphery, at least one circular bulge of diameter at least equal to the internal diameter of the neck of the ring-neck. This bulge prevents the capsule, when it is pressed into the neck-neck, any untimely sliding upwards, which would cause the self-uncorking of the cart; this bulge contributes to the tightness of the cart.
  • the neck-neck, washer, and stopper, described here, are circular in shape, but any other shape capable of promoting the flow of a liquid contained in the carton, are conceivable: oval, triangular, or rectangular.
  • Cartons are usually made from a sheet of flexible, waterproof material, such as plasticboard. These sheets are delivered in rolls, they pass in a machine which cuts them, according to the desired size, and folds them in the shape of a carton, the edges are then heat welded, except however the top of the carton which remains open. We are therefore in the presence, for a berlingot of the "brick" type, of a rectangular parallelepiped whose upper edges are not folded down.
  • the method of manufacturing the re-sealable carton is characterized in that the neck forming the neck is introduced by pressure, on the outside face of the wall of the carton, into the orifice formed in this wall, and secured to the edges of the front orifice. that the cart is not closed.
  • a variant of this process is characterized in that the neck ring is introduced into the orifice of the wall, before the sheet is folded into the shape of a carton.
  • the riveting of the neck-neck on the edges of the orifice is obtained by pressing the washer on the face internal of the wall of the berlingot, already formed or not, and pushing it back on the skirt of the ring, until the hook of the skirt comes to grip on the bottom interior edges of the washer.
  • the circular bead of the washer by pressing on the inner wall of the carton, affects the outer face of the latter and forms a circular boss which cooperates with the groove dug in the underside of the crown of the neck-neck .
  • This peculiarity of the neck ring and the purpose of the washer is to ensure a good pinching of the edges of the wall forming the carton and thus contributes to the good sealing of the neck.
  • the skirt of the ring -hole is introduced as previously, into the orifice of the wall, and it is then forced back against the internal face of this ⁇ wall.
  • the circular boss of the crown of the neck ring having an impact on the internal face of the wall, the skirt once driven back cooperates on the circular boss. Again, good sealing of the neck is ensured.
  • the neck ring is made of plastic
  • the walls of the carton are made of plasticized cardboard.
  • the manufacturing process is then characterized in that the discharge of the plastic skirt is carried out hot on the internal wall of the carton, which causes a thermoplastic bonding of the skirt on the internal wall of the carton.
  • the neck ring could be simply glued to the edges of the orifice of the carton using an adhesive substance.
  • the fitting of the neck ring can also be carried out when the sheet of material, which is to form the carton, is not yet folded.
  • the perforation of the sheet and the fitting of the neck ring are then carried out at a place determined from the sheet, so that, when folded in the shape of a carton, the neck is on an upper face of the carton at the desired location, for example in the corner of one of the small faces of the rectangular parallelepiped formed by the berlingot.
  • the means for implementing the method described above is characterized in that it consists of a device for feeding open jibs, a press formed by two jaws, one of which, fixed, is provided with one die and the other is moved horizontally back and forth by a pneumatic piston, the jaws and piston assembly being hooked under a movable support-apron from bottom to top, actuated by another pneumatic piston , and guided by a system of sliding guides; the compressed air supply to the pneumatic pistons being ensured by two pairs of flexible pipes connected to a control cabinet containing compressed air distribution valves, the triggering of which is caused by a probe connected to the control cabinet.
  • the two jaws instead of being placed one opposite the other, will be placed one below the other.
  • the movable jaw should preferably be placed above of the sheet and making its movement from bottom to top on an axis.
  • the fixed jaw will be placed under the sheet, and it will comprise at its end, as in the previous variant, a matrix whose shape is capable of causing the discharge of the skirt of the neck-neck.
  • the cartons are already formed, but their upper part still open, when the fitting of the neck ring occurs. To do this, these cartons are brought by a mechanical transfer, for example a conveyor belt, under the system of two jaws.
  • the two jaws are fixed under a support apron which is itself driven back and forth from bottom to top by a pneumatic piston.
  • a heating body consisting of a resistance electric capable of heating the matrix in order to obtain a thermoplastic weld of the ring on the plasticized cardboard forming the wall of the carton. If you choose to simply glue the ring - neck with an adhesive material on the edge of the orifice of the carton, the heating element is useless.
  • the support apron to which the two jaws and the pneumatic piston are attached, is itself connected to a horizontal beam forming part of the frame of the machine.
  • the connection between the support apron and the beam is ensured by two sliding guide systems and by a pneumatic piston which actuates the support apron from below.
  • the beam is attached to a vertical pillar so that the pillar plus beam assembly forms a bracket.
  • the control cabinet containing the compressed air distribution valves, which supply the two pneumatic pistons. The opening and closing of these valves is triggered by electrical relay contacts, which operate each time a probe placed on the treadmill detects the presence of a carton.
  • the compressed air supply to the control cabinet is ensured by a hose connected to the container forming machine; these machines are generally also moved by compressed air.
  • the jaw and pneumatic piston assembly is fixed to the support apron 28, which can move from bottom to top by sliding in the two guide systems 29 and 30.
  • the movement of the support apron is ensured by the pneumatic piston 31 which is connected to the control cabinet by the compressed air pipes 32 and 33.
  • the guides 29 and 30 and the pneumatic piston 31 are fixed to the beam 34 which attached to the pillar 35 forms the jib frame of the machine.
  • the control cabinet 36 is fixed on the pillar, and at 37 is visible the pressure gauge allowing the control of the pressure of the air supplied by the main compressed air supply pipe 39.
  • the machine shown finds its place at the end of the production line of cartons, before the filling and closing operations of its upper part. Its supply of compressed air is ensured by a connection made to the chain, the machines of which are generally driven by this process, hence simplifying the supply of energy.
  • the re-sealable cart according to the invention has several advantages. It can be opened easily by the housewives, without part of the liquid spilling out.
  • the method of manufacturing the berlingot according to the invention allows the implementation means to be inserted either at the end of the chain for forming the berlingots, before filling and before closing their upper part, or at the start of this process. chain, before folding the sheet.
  • the animation of the means of implementation being ensured, as for the entire chain, by compressed air, the insertion of this means of implementation is all the more simplified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

The container for the packaging and preservation of liquids for domestic use comprises, on one of its upper faces, an orifice reinforced with a rigid ring (1) forming a throat (7), riveted onto the edges of this orifice and capable of receiving a stopper or cap which enables the container to be re-sealed after use. The ring-throat (1) is riveted on the orifice before the container is closed. In order to ensure a satisfactory seal of the throat, the ring is bonded to the edge of the orifice with the aid of an adhesive material or by means of thermofusion of the plastic ring on the plasticised wall of the container. This operation is performed by a press formed by two jaws, one of which is movable and introduces the ring-throat into the orifice of the wall of the container and the other of which, which is stationary and provided with a heated die, folds down the skirt (8) of the ring-throat on the inside of the wall of the container. <IMAGE>

Description

La présente invention a trait à un berlingot en matière semi-rigide pour la conservation de liquides de consommation domestique, à un procède de fabrication du berlingot ainsi qu'un moyen de mise en oeuvre de ce procédé.The present invention relates to a container made of semi-rigid material for the conservation of liquids for domestic consumption, to a method of manufacturing the container and a means of implementing this method.

Les problèmes posés par le conditionnement et la conservation des liquides potables d'usage domestique, comme le lait, les boissons lactées et les jus de fruits, sont nombreux. Les qualités que doivent présenter les emballages sont souvent difficilement compatibles entre elles : étanchéité et solidité, résistance à la pression notamment pour les liquides gazeux, encombrement et poids minimum, hygiène, imputrescibilité et prix de revient qui ne doit pas grever le prix du liquide contenu.There are many problems with the packaging and storage of potable liquids for household use, such as milk, milk drinks and fruit juices. The qualities that packaging must have are often difficult to reconcile with each other: tightness and solidity, resistance to pressure, in particular for gaseous liquids, size and minimum weight, hygiene, rot-proofing and cost price which should not burden the price of the liquid contained. .

On connaît les solutions apportées par le flaconnage avec les bouteilles en verre à capsule refermable ou non, les bouteilles en plastique pour l'eau de source par exemple, et les berlingots en plastique ou en carton plastifié.We know the solutions provided by bottles with glass bottles with resealable cap or not, plastic bottles for spring water for example, and plastic or plastic cardboard cartons.

Ces berlingots avaient à l'origine la forme pyramidale du bonbon portant ce nom. Pour des raisons de réduction d'encombrement et de facilité de stockage, on leur a donné la forme sous laquelle ils sont le plus connus actuellement, dite en "brique".These cartons originally had the pyramid shape of the candy bearing this name. For reasons of reduction in size and ease of storage, they have been given the form in which they are best known today, known as "brick".

L'ouverture de tels berlingots "brique" s'effectue par déchirement ou découpage d'une extrémité supérieure du carton plastifié formant le berlingot.Ce déchirement est souvent malaisé,surtout qu'à ce moment le berlingot est plein de liquide. De plus , ce système d'ouverture ne permet pas la fermeture tant soit peu étanche du récipient après son premier usage,ce qui rend malaisé,par exemple,le transport du berlingot.The opening of such "brick" cartons is effected by tearing or cutting an upper end of the plasticized cardboard forming the cart. This tearing is often awkward, especially at this time the cart is full of liquid. In addition, this opening system does not allow the tightly closed container after its first use, which makes it difficult, for example, the transport of cartons.

Le produit selon l'invention apporte une solution à ces problèmes, en proposant un berlingot caractérisé en ce qu'il présente, sur l'une de ses faces, un orifice rebouchable de façon étanche après emploi; à cette fin, les rebords de l'orifice sont renforcés d'un oeillet de matière rigide, formant goulot apte à recevoir un bouchon,ou une capsule amovible, susceptible d'être remis en place après usage.The product according to the invention provides a solution to these problems, by proposing a carton characterized in that it has, on one of its faces, an orifice which can be re-sealed after use; to this end, the edges of the orifice are reinforced with an eyelet of rigid material, forming a neck capable of receiving a plug, or a removable capsule, capable of being replaced after use.

Renforcer les bords d'un orifice pratiqué dans un maté- souple,par exemple dans des chaussures de cuir,à l'aide d'un oeillet de amtiere rigide,est en soi connu,mais le fait de placer un tel oeillet sur l'orifice d'un berlingot de façon à former un goulot obturable, est inédit.Reinforcing the edges of an orifice made in a flexible material, for example in leather shoes, using a rigid eye of material, is known per se, but the fact of placing such an eyelet on the orifice of a carton so as to form a closable neck, is new.

Dans la version préférentielle, réalisée à titre de prototype par l'inventeur, l'oeillet de matière rigide rivé sur l'orifice est caractéristique en ce qu'il est constitué de deux bagues dont l'une, pour la partie supérieure, forme goulot et l'autre, pour la partie inférieure, est une rondelle venant se river sur la partie basse, ou jupe du goulot, de la bague supérieure, avec laquelle elle vient coopérer.In the preferred version, produced as a prototype by the inventor, the eyelet of rigid material riveted on the orifice is characteristic in that it consists of two rings, one of which, for the upper part, forms a neck and the other, for the lower part, is a washer coming to be riveted on the lower part, or skirt of the neck, of the upper ring, with which it comes to cooperate.

Afin de faciliter le rivetage de la rondelle sur la bague-goulot, on a prévu sur la jupe de cette dernière unrenflement formant crochet, destiné à venir agripper le rebord intérieur bas de la rondelle.In order to facilitate the riveting of the washer on the neck-neck, provision has been made on the skirt of the latter for a swelling forming a hook, intended to grip the bottom inner rim of the washer.

Le diamètre intérieur de la rondelle est égal au diamètre extérieur de la jupe du goulot. La jupe est munie de fentes verticales réparties sur son pourtour, ce qui permet une légère diminution de son diamètre et facilite sa pénétration à force dans la rondelle.The inside diameter of the washer is equal to the outside diameter of the neck skirt. The skirt is provided with vertical slots distributed around its periphery, which allows a slight reduction in its diameter and facilitates its forced penetration into the washer.

D'autre part, la rondelle possède,au moins sur sa face supérieure, un bourrelet circulaire. La couronne de la bague possède sur sa face inférieure une rainure circulaire, de telle sorte que,lorsque la bague est enfoncée dans la rondelle, le bourrelet viendrait coopérer avec ladite rainure.On the other hand, the washer has, at least on its upper face, a circular bead. The crown of the ring has a circular groove on its underside, so that, when the ring is pressed into the washer, the bead would cooperate with said groove.

En fait, comme la bague est placée à l'extérieur de la paroi du berlingot, et la rondelle à l'intérieur, en 'oeillet', les rebords de la paroi se trouvent "pincés" entre le bourrelet de la rondelle et la rainure de la bague susdécrits. Cette particularité du dispositif a pour but d'assurer une bonne étanchéité du goulot une fois en place.In fact, as the ring is placed outside the wall of the carton, and the washer inside, in 'eyelet', the edges of the wall are "pinched" between the bead of the washer and the groove of the ring described above. This feature of the device is intended to ensure good sealing of the neck once in place.

Selon un autre mode de réalisation, la couronne de la bague-goulot ne comporte pas de rainure à sa face inférieure, mais un bourrelet circulaire en saillie, et la jupe ce la bague-goulot est lisse, c'est-à-dire qu'elle ne comporte pas de renflement formant crochet.According to another embodiment, the crown of the neck-neck does not have a groove on its underside, but a circular protruding bead, and the skirt of the neck-neck is smooth, that is to say that 'it does not have a bulge forming a hook.

Cette forme d'exécution simplifiée de la bague-goulot rend plus aisé son montage sur l'orifice du berlingot par une machine. En outre, cette forme d'exécution permet de se passer de la rondelle nécessaire pour le montage dans le premier mode de réalisation décrit précédemment.This simplified embodiment of the neck ring makes it easier to mount it on the orifice of the carton by a machine. In addition, this embodiment makes it possible to dispense with the washer necessary for mounting in the first embodiment described above.

La bague-goulot peut être en tout matériau apte à être rive ou collé sur l'orifice du berlingot, par exemple en métal ou en alliage; le prototype réalisé par l'inventeur est en plastique rigide.The neck ring may be of any material suitable for shore or glued to the orifice of the cart, for example made of metal or alloy; the prototype produced by the inventor is made of rigid plastic.

Le bouchon ou la capsule, une fois enfoncé dans la bague-goulot, doit assurer la fermeture étanche du berlingot. A cette fin, il peut être constitué de tout matériau apte à cet usage : bois, liège, caoutchouc, métal ou matière plastique. Dans sa forme préférentielle d'exécution, le bouchon est une capsule en plastique semi-rigide. La partie supérieure de la capsule forme une collerette, la partie inférieure est un cylindre creux comportant, sur son pourtour extérieur, au moins un renflement circulaire de diamètre au moins égal au diamètre interne du goulot de la bague-goulot. Ce renflement évite à la capsule, lorsqu'elle-est enfoncée dans la bague-goulot,tout glissement intempestif vers le haut, ce qui provoquerait l'autodébouchage du berlingot; ce renflement contribue à l'étanchéité du berlingot.The stopper or the capsule, once pressed into the neck ring, must ensure the watertight closure of the carton. To this end, it can be made of any material suitable for this use: wood, cork, rubber, metal or plastic. In its preferred embodiment, the stopper is a semi-rigid plastic capsule. The upper part of the capsule forms a collar, the lower part is a hollow cylinder comprising, on its outer periphery, at least one circular bulge of diameter at least equal to the internal diameter of the neck of the ring-neck. This bulge prevents the capsule, when it is pressed into the neck-neck, any untimely sliding upwards, which would cause the self-uncorking of the cart; this bulge contributes to the tightness of the cart.

Les bague-goulot,rondelle,et bouchon,décrits ici,sont de forme circulaire,mais toutes autres formes aptes à favoriser l'écoulement d'un liquide contenu dans le berlingot, sont envisageables:ovale,triangulaire,ou rectangulaire.The neck-neck, washer, and stopper, described here, are circular in shape, but any other shape capable of promoting the flow of a liquid contained in the carton, are conceivable: oval, triangular, or rectangular.

Les berlingots sont généralement fabriqués à partir d'une feuille de matériau souple et étanche, comme du carton plastifié. Ces feuilles sont livrées en rouleaux, elles passent dans une machine qui les découpe, selon la taille désirée, et les plie en forme de berlingot, les rebords sont ensuite soudés à chaud, sauf toutefois le haut du berlingot qui reste ouvert. On est donc alors en présence, pour un berlingot du type "brique", d'un parallélépipède rectangle dont les bords supérieurs ne sont pas rabattus.Cartons are usually made from a sheet of flexible, waterproof material, such as plasticboard. These sheets are delivered in rolls, they pass in a machine which cuts them, according to the desired size, and folds them in the shape of a carton, the edges are then heat welded, except however the top of the carton which remains open. We are therefore in the presence, for a berlingot of the "brick" type, of a rectangular parallelepiped whose upper edges are not folded down.

Le procédé de fabrication du berlingot rebouchable est caractérisé en ce que la bague formant goulot est introduite par pression,sur la face extérieure de la paroi du berlingot, dans l'orifice pratiqué dans cette paroi, et solidarisée sur les rebords de l'orifice avant que le berlingot ne soit refermé. Une variante de ce procédé est caractérisée en ce que la bague-goulot est introduite dans l'orifice de la paroi,avant que la feuille ne soit pliée en forme de berlingot.The method of manufacturing the re-sealable carton is characterized in that the neck forming the neck is introduced by pressure, on the outside face of the wall of the carton, into the orifice formed in this wall, and secured to the edges of the front orifice. that the cart is not closed. A variant of this process is characterized in that the neck ring is introduced into the orifice of the wall, before the sheet is folded into the shape of a carton.

Un orifice ayant été perforé dans la partie supérieure de la paroi, une machine agissant à la façon d'une pince à oeillet place la bague-goulot sur l'orifice et introduit par pression la jupe du goulot vers l'intérieur du berlingot.An orifice having been perforated in the upper part of the wall, a machine acting as eyelet pliers places the neck ring on the orifice and introduces by pressure the skirt of the neck towards the inside of the carton.

Si l'on choisit la forme d'exécution où la bague.- goulot est rivetée à l'aide d'une rondelle, le rivetage de la bague-goulot sur les rebords de l'orifice est obtenu en pressant la rondelle sur la face interne de la paroi du berlingot, déjà formé ou non, et en la refoulant sur la jupe de la bague,jusqu'à ce que le crochet de la jupe vienne s'agripper sur les bords intérieurs bas de la rondelle. Le bourrelet circulaire de la rondelle, en se pressant sur la paroi interne du berlingot, se répercute sur la face externe de celui-ci et forme un bossage circulaire qui coopère avec la rainure creusée dans la face inférieure de la couronne de la bague-goulot. Cette particularité de la bague-goulot et de la rondelle a pour but d'assurer un bon pincement des- rebords de la paroi formant le berlingot et contribue ainsi à la bonne étanchéité du goulot.If one chooses the embodiment where the ring - neck is riveted using a washer, the riveting of the neck-neck on the edges of the orifice is obtained by pressing the washer on the face internal of the wall of the berlingot, already formed or not, and pushing it back on the skirt of the ring, until the hook of the skirt comes to grip on the bottom interior edges of the washer. The circular bead of the washer, by pressing on the inner wall of the carton, affects the outer face of the latter and forms a circular boss which cooperates with the groove dug in the underside of the crown of the neck-neck . This peculiarity of the neck ring and the purpose of the washer is to ensure a good pinching of the edges of the wall forming the carton and thus contributes to the good sealing of the neck.

Si l'on choisit la forme simplifiée de la bague-goulot, c'est-à-dire comportant un bourrelet circulaire sur la face inférieure de sa couronne et une jupe de goulot droite, sans crochet à la base, la jupe de la bague-goulot est introduit comme précédemment, dans l'orifice de la paroi, et elle est ensuite refoulée par pression contre la face interne de cett< paroi. Le bossage circulaire de la couronne de la bague-goulot,se répercutant sur la face interne de la paroi, la jupe une fois refoulée vient coopérer sur le bossage circulaire. Là encore, une bonne étanchéité du goulot est assurée.If we choose the simplified form of the neck ring, that is to say comprising a circular bead on the underside of its crown and a straight neck skirt, without hook at the base, the skirt of the ring -hole is introduced as previously, into the orifice of the wall, and it is then forced back against the internal face of this <wall. The circular boss of the crown of the neck ring, having an impact on the internal face of the wall, the skirt once driven back cooperates on the circular boss. Again, good sealing of the neck is ensured.

Selon le mode préférentiel d'exécution, la bague-goulot est en plastique, et les parois du berlingot sont en carton plastifié. Le procédé de fabrication est alors caractérisé en ce que le refoulement de la jupe en plastique est effectué à chaud sur la paroi interne du berlingot, ce qui provoque un collage thermoplastique de la jupe sur la paroi interne du berlingot.According to the preferred embodiment, the neck ring is made of plastic, and the walls of the carton are made of plasticized cardboard. The manufacturing process is then characterized in that the discharge of the plastic skirt is carried out hot on the internal wall of the carton, which causes a thermoplastic bonding of the skirt on the internal wall of the carton.

Selon une autre variante du procédé de fabrication, la bague-goulot pourrait être simplement collée sur les rebords de l'orifice du berlingot à l'aide d'une substance adhésive.According to another variant of the manufacturing process, the neck ring could be simply glued to the edges of the orifice of the carton using an adhesive substance.

Selon une variante du procédé de fabrication, vue ci-dessus, la pose de la bague-goulot peut aussi être effectuée lorsque la feuille de matériau, qui doit former le berlingot, n'est pas encore pliée. La perforation de la feuille et la pose de la bague-goulot sont alors effectuées à un endroit déterminé de la feuille, de façon à ce que, une fois pliée en forme de berlingot, le goulot se trouve sur une face supérieure du berlingot à l'endroit désiré, par exemple dans l'angle d'une des petites faces du parallélépipède rectangle formé par le berlingot.According to a variant of the manufacturing process, seen above, the fitting of the neck ring can also be carried out when the sheet of material, which is to form the carton, is not yet folded. The perforation of the sheet and the fitting of the neck ring are then carried out at a place determined from the sheet, so that, when folded in the shape of a carton, the neck is on an upper face of the carton at the desired location, for example in the corner of one of the small faces of the rectangular parallelepiped formed by the berlingot.

La pose de la bague-goulot intervenant,selon cette variante du procédé, à un moment où la feuille est encore à plat, cela facilite les opérations de rivetage ou collage de la bague-goulot.The installation of the neck ring intervening, according to this variant of the method, at a time when the sheet is still flat, this facilitates the operations of riveting or bonding of the neck ring.

Le moyen de mise en oeuvre du procédé décrit ci-dessus est caractérisé en ce qu'il est constitué d'un dispositif d'amenée desberlingots ouverts, d'une presse formée de deux mâchoires dont l'une, fixe, est pourvue d'une matrice et l'autre est animée d'un mouvement horizontal de va-et-vient, par un piston pneumatique, l'ensemble mâchoires et piston étant accroché sous un tablier-support mobile de bas en haut, actionné par un autre piston pneumatique, et guidé par un système de guides à coulissement; l'alimentation en air comprimé des pistons pneumatiques étant assurée par deux paires de tuyaux flexibles reliés à une armoire de commande contenant des valves de distribution d'air comprimé, dont le déclenchement est provoqué par un palpeur relié à l'armoire de commande.The means for implementing the method described above is characterized in that it consists of a device for feeding open jibs, a press formed by two jaws, one of which, fixed, is provided with one die and the other is moved horizontally back and forth by a pneumatic piston, the jaws and piston assembly being hooked under a movable support-apron from bottom to top, actuated by another pneumatic piston , and guided by a system of sliding guides; the compressed air supply to the pneumatic pistons being ensured by two pairs of flexible pipes connected to a control cabinet containing compressed air distribution valves, the triggering of which is caused by a probe connected to the control cabinet.

Dans le cas où on choisit la variante du mode d'exécution qui consiste à placer la bague-goulot sur la feuille non encore pliée, les deux mâchoires, au lieu d'être placées l'une en face de l'autre, seront placées l'une en dessous de l'autre. La mâchoire mobile sera de préférence placée au-dessus de la feuille et effectuant son mouvement de bas en haut sur un axe. La mâchoire fixe sera placée sous la feuille, et elle comportera à son extrémité, comme dans la variante précédente, une matrice dont la forme est apte à provoquer le refoulement de la jupe de la bague-goulot. Selon le procédé préférentiel d'exécution, les berlingots sont déjà formés, mais leur partie supérieure encore ouverte, au moment où intervient la pose de la bague-goulot. Pour ce faire, ces berlingots sont amenés par un transfert mécanique, par exemple un tapis roulant, sous le système des deux mâchoires. Celles-ci doivent pouvoir s'abaisser vers l'intérieur du berlingot pour poser la bague-goulot quelques centimètres en dessous du rebord supérieur de la feuille formant le berlingot. A cette fin, les deux mâchoires sont fixées sous un tablier-support qui est lui-même animé d'un mouvement de va-et-vient de bas en haut par un piston pneumatique. Selon le mode préférentiel d'exécution où l'on choisit des bagues-goulots en plastique, rivées à chaud, une des deux mâchoires, et de préférence celle fixe supportant la matrice, est pourvue d'un corps de chauffe constitué d'une résistance électrique apte à chauffer la matrice afin d'obtenir une soudure thermoplastique de la bague sur le carton plastifié formant la paroi du berlingot. Si l'on choisit de coller simplement la bague - goulot à l'aide d'une matière adhésive sur le rebord de l'orifice du berlingot, le corps de chauffe est inutile.If we choose the variant of the embodiment which consists of placing the neck ring on the sheet not yet folded, the two jaws, instead of being placed one opposite the other, will be placed one below the other. The movable jaw should preferably be placed above of the sheet and making its movement from bottom to top on an axis. The fixed jaw will be placed under the sheet, and it will comprise at its end, as in the previous variant, a matrix whose shape is capable of causing the discharge of the skirt of the neck-neck. According to the preferred method of execution, the cartons are already formed, but their upper part still open, when the fitting of the neck ring occurs. To do this, these cartons are brought by a mechanical transfer, for example a conveyor belt, under the system of two jaws. These must be able to lower towards the inside of the carton to place the neck-ring a few centimeters below the upper edge of the sheet forming the carton. To this end, the two jaws are fixed under a support apron which is itself driven back and forth from bottom to top by a pneumatic piston. According to the preferred embodiment where one chooses plastic neck rings, hot riveted, one of the two jaws, and preferably the fixed one supporting the matrix, is provided with a heating body consisting of a resistance electric capable of heating the matrix in order to obtain a thermoplastic weld of the ring on the plasticized cardboard forming the wall of the carton. If you choose to simply glue the ring - neck with an adhesive material on the edge of the orifice of the carton, the heating element is useless.

Le tablier-support,auquel sont accrochés les deux mâchoires et le piston pneumatique,est lui-même relié à une poutrelle horizontale formant une partie du bâti de la machine. La liaison entre le tablier-support et la poutrelle est assurée par deux systèmes de guide à coulissement et par un piston pneumatique qui actionne de bas en haut le tablier-support.The support apron, to which the two jaws and the pneumatic piston are attached, is itself connected to a horizontal beam forming part of the frame of the machine. The connection between the support apron and the beam is ensured by two sliding guide systems and by a pneumatic piston which actuates the support apron from below.

La poutrelle est fixée à un pilier vertical de façon que l'ensemble pilier plus poutrelle forme une potence. Au pilier est également fixée l'armoire de commande contenant les valves de distribution d'air comprimé, qui alimentent les deux pistons pneumatiques. L'ouverture et la fermeture de ces valves sont déclenchées par des contacts électriques à relais, qui fonctionnent à chaque fois qu'un palpeur placé sur le tapis roulant détecte la présence d'un berlingot.The beam is attached to a vertical pillar so that the pillar plus beam assembly forms a bracket. To the pillar is also fixed the control cabinet containing the compressed air distribution valves, which supply the two pneumatic pistons. The opening and closing of these valves is triggered by electrical relay contacts, which operate each time a probe placed on the treadmill detects the presence of a carton.

L'alimentation en air comprimé de l'armoire de commande est assurée par un tuyau relié à la machine à former les berlingots ; ces machines étant généralement mues également par de l'air comprimé.The compressed air supply to the control cabinet is ensured by a hose connected to the container forming machine; these machines are generally also moved by compressed air.

On comprendra mieux l'invention à l'aide de la description suivante, faite à titre d'exemple, qui renvoie aux planches de dessin ci-jointes, sur lesquelles :

  • la fig. 1 montre la partie supérieure d'un berlingot du type "brique", avec un orifice rebouchable, ici une bague-goulot 1, les fentes 9 de la jupe du goulot 8 sont visibles ;
  • la fig. 2 montre un autre type de berlingot selon l'invention, dont la partie supérieure est un prisme à base triangulaire ;
  • la fig. 3 montre une coupe en perspective d'une réalisation de la bague-goulot 1 sur laquelle on voit la couronne 4 de la bague et la rainure circulaire 5 creusée dans la face inférieure de la couronne, le goulot 7, la jupe 8 du goulot se terminant par un renflement circulaire formant crochet 6, et les fentes verticales 9 pratiquées dans la jupe ;
  • la fig. 4 est une coupe en perspective de la rondelle 2, pourvue de bourrelets circulaires supérieurs et inférieurs 10 a et 10 b ;
  • la fig. 5 est une vue en plan d'une forme d'exécution de la capsule de bouchage 3, avec sa collerette 11 et deux renflements circulaires 11 et 13 formant segment d'étanchéité
  • la fig. 6 montre une vue schématique d'une coupe plane de la partie supérieure d'un berlingot, munie d'un orifice dans lequel va être introduit la bague-goulot 1 ;
  • la fig. 7 montre une vue schématique d'une coupe plane, avec la bague-goulot enfoncée dans l'orifice du berlin- got et prête à recevoir la rondelle 2 ; sur
  • la fig. 8 la rondelle a été rivée sur la jupe de la bague-gou- lot 1 ; on remarque que le bourrelet 10 de la rondelle 2 coopère avec la rainure 5 de la bague-goulot, assurant un bon pincement des rebords de l'orifice du berlingot ; la capsule 3 a été représentée prête à venir boucher le goulot du berlingot ;
  • les fig. 9, 10 et 11 montrent une vue schématique d'une coupe plane d'une forme simplifiée de la bague-goulot 1, destinée plus particulièrement à être montée sur l'orifice par une machine : la partie inférieure de la couronne 4 comporte à la place de la rainure un bourrelet circulaire 16 ;
  • la fig.10 montre la bague-goulot 1 enfoncée dans l'orifice du berlingot ;
  • la fig.ll montre la bague-goulot 1 rivée sur les rebords de l'orifice du berlingot, par refoulement de la jupe 8;
  • la fig.12 montre une vue schématique en coupe de la matrice 22;
  • la fig.13 montre un berlingot dont le haut est encore ouvert, sur lequel la bague-goulot 1 vient d'être posée ;
  • la fig.14 montre un schéma en plan d'un moyen de mise en oeuvre du procédé de fabrication, sur lequel sont visibles le berlingot 20, déjà formé mais encore ouvert en haut, amené sur un tapis roulant 19 ; les deux mâchoires 21 et 23 de la presse dont l'une, 21, est fixe et se termine par la matrice 22 ; l'autre, 23, mobile sur la glissière "en queue d'aigle" 24, est actionnée par le piston pneumatique 25 alimenté en air comprimé par les tuyaux souples 26 et 27 reliés à l'armoire de commande 36; les pistons pneumatiques sont déclenchés lorsque le palpeur 38,relié à 1' armoire de commande par le fils 40, détecte la présence d'un berlingot sous les machoires 21 et 23 ; la machoire 21 est boulonnée sur le tablier-support mobile 28,ce qui permet son réglage latéral vers la gauche ou la droite.
The invention will be better understood using the following description, given by way of example, which refers to the attached drawing boards, on which:
  • fig. 1 shows the upper part of a "brick" type carton, with a re-sealable orifice, here a neck ring 1, the slots 9 of the skirt of the neck 8 are visible;
  • fig. 2 shows another type of berlingot according to the invention, the upper part of which is a tri-prism angular;
  • fig. 3 shows a section in perspective of an embodiment of the ring-neck 1 on which we see the crown 4 of the ring and the circular groove 5 hollowed out in the underside of the crown, the neck 7, the skirt 8 of the neck ending with a circular bulge forming a hook 6, and the vertical slots 9 formed in the skirt;
  • fig. 4 is a perspective section of the washer 2, provided with upper and lower circular beads 10 a and 10 b;
  • the fi g. 5 is a plan view of an embodiment of the closure cap 3, with its flange 11 and two circular bulges 11 and 13 forming a sealing segment
  • fig. 6 shows a schematic view of a flat section of the upper part of a carton, provided with an orifice into which the neck ring 1 will be introduced;
  • fig. 7 shows a schematic view of a flat section, with the neck-neck pressed into the orifice of the berlin- g and ready to receive the washer 2; sure
  • fig. 8 the washer was riveted on the skirt of the ring- g or lot 1; we note that the bead 10 of the washer 2 cooperates with the groove 5 of the neck ring, ensuring a good pinching of the edges of the orifice of the carton; the capsule 3 has been shown ready to plug the neck of the carton;
  • fig. 9, 10 and 11 show a schematic view of a section plane of a simplified form of the neck ring 1, intended more particularly to be mounted on the orifice by a machine: the lower part of the crown 4 comprises instead of the groove a circular bead 16;
  • Fig.10 shows the neck ring 1 pressed into the orifice of the carton;
  • Fig.ll shows the neck-neck 1 riveted on the edges of the orifice of the carton, by discharge of the skirt 8;
  • Fig.12 shows a schematic sectional view of the matrix 22;
  • Fig.13 shows a cart whose top is still open, on which the neck ring 1 has just been placed;
  • Fig.14 shows a plan diagram of a means of implementing the manufacturing process, on which are visible the cart 20, already formed but still open at the top, brought on a conveyor belt 19; the two jaws 21 and 23 of the press, one of which, 21, is fixed and ends in the die 22; the other, 23, movable on the "eagle tail" slide 24, is actuated by the pneumatic piston 25 supplied with compressed air by the flexible pipes 26 and 27 connected to the control cabinet 36; the pneumatic pistons are triggered when the probe 38, connected to the control cabinet by the wire 40, detects the presence of a carton under the jaws 21 and 23; the jaw 21 is bolted to the movable support apron 28, which allows its lateral adjustment to the left or to the right.

L'ensemble mâchoire et piston pneumatique est fixé au tablier-support 28, qui peut effectuer un mouvement de bas en haut en coulissant dans les deux systèmes de guidage 29 et 30. Le mouvement du tablier-support est assuré par le piston pneumatique 31 qui est relié à l'armoire de commande par les tuyaux d'air comprimé 32 et 33. Les guides 29 et 30 et le piston pneumatique 31 sont fixés sur la poutrelle 34 qui rattachée au pilier 35 forme le bâti en potence de la machine. L'armoire de commande 36 est fixée sur le pilier, et en 37 est visible le manomètre permettant le contrôle de la pression de l'air amené par le tuyau 39 d'alimentation principale en air comprimé.The jaw and pneumatic piston assembly is fixed to the support apron 28, which can move from bottom to top by sliding in the two guide systems 29 and 30. The movement of the support apron is ensured by the pneumatic piston 31 which is connected to the control cabinet by the compressed air pipes 32 and 33. The guides 29 and 30 and the pneumatic piston 31 are fixed to the beam 34 which attached to the pillar 35 forms the jib frame of the machine. The control cabinet 36 is fixed on the pillar, and at 37 is visible the pressure gauge allowing the control of the pressure of the air supplied by the main compressed air supply pipe 39.

La machine représentée trouve sa place au bout de la chaîne de fabrication des berlingots, avant les opérations de remplissage et de fermeture de sa partie haute. Son alimentation en air comprimé est assurée par un branchement effectué sur la chaîne dont les machines sont généralement animées par ce procédé, d'où simplification de l'apport en énergie.The machine shown finds its place at the end of the production line of cartons, before the filling and closing operations of its upper part. Its supply of compressed air is ensured by a connection made to the chain, the machines of which are generally driven by this process, hence simplifying the supply of energy.

Le berlingot rebouchable selon l'invention présente plusieurs avantages. Il peut être ouvert de façon aisée par les ménagères, sans qu'une partie du liquide se répande.The re-sealable cart according to the invention has several advantages. It can be opened easily by the housewives, without part of the liquid spilling out.

Comme il est refermable de façon étanche, son transport avec le contenu en est grandement facilité. Il a été constaté, lors d'essais de résistance à la pression, qu'un berlingot réalisé comme prototype par l'inventeur peut résister à la pression occasionnée par l'empilement sur lui d'une cinquantaine de berlingots contenant chacun environ 1 litre de liquide. La marge de sécurité nécessaire pour le stockage de berlingots selon l'invention, est donc largement suffisante.As it is resealable, its transport with the contents is greatly facilitated. It has been found, during pressure resistance tests, that a cart produced as a prototype by the inventor can withstand the pressure caused by the stacking on it of fifty cartons each containing about 1 liter of liquid. The safety margin necessary for the storage of cartons according to the invention is therefore largely sufficient.

Le procédé de fabrication du berlingot selon l'invention permet au moyen de mise en oeuvre d'être inséré soit à la fin de la chaîne de formation des berlingots, avant le remplissage et avant la fermeture de leur partie supérieure, soit au début de cette chaîne, avant pliage de la feuille. L'animation du moyen de mise en oeuvre étant assurée,comme pour l'ensemble de la chaîne, par de l'air comprimé, l'insertion de ce moyen de mise en oeuvre est d'autant simplifiée.The method of manufacturing the berlingot according to the invention allows the implementation means to be inserted either at the end of the chain for forming the berlingots, before filling and before closing their upper part, or at the start of this process. chain, before folding the sheet. The animation of the means of implementation being ensured, as for the entire chain, by compressed air, the insertion of this means of implementation is all the more simplified.

Claims (14)

1. Berlingot en matière semi-rigide pour la conservation de liquides de consommation domestique, caractérisé en ce qu'il présente, sur l'une de ses faces, un orifice rebouchable de façon étanche après emploi.1. Berlingot in semi-rigid material for the conservation of liquids for domestic consumption, characterized in that it has, on one of its faces, a re-sealable orifice after use. 2. Berlingot selon la revendication 1, caractérisé en ce que les rebords de l'orifice sont renforcés par un oeillet de matière rigide (1) formant goulot apte à recevoir une capsule amovible (3).2. Berlingot according to claim 1, characterized in that the edges of the orifice are reinforced by an eyelet of rigid material (1) forming a neck capable of receiving a removable capsule (3). 3. Berlingot selon les revendications 1 et 2, caractérisé en ce que l'oeillet rigide est constitué, pour sa partie supérieure,.d'une bague formant goulot (1) et, pour sa partie inférieure, d'une rondelle (2) comportant, sur chacune de ses faces supérieure et inférieure, un bourrelet (lOa et lOb).3. Berlingot according to claims 1 and 2, characterized in that the rigid eyelet consists, for its upper part, of a ring forming a neck (1) and, for its lower part, a washer (2) comprising, on each of its upper and lower faces, a bead (lOa and lOb). 4. Berlingot selon les revendications 1, 2 et 3, caractérisé en ce que la bague formant goulot est constituée, pour sa partie haute, d'une couronne (4) creusée à sa face inférieure d'une rainure (5) et, pour sa partie basse, d'une jupe (8).4. Berlingot according to claims 1, 2 and 3, characterized in that the neck-forming ring consists, for its upper part, of a crown (4) hollowed out on its underside with a groove (5) and, for its lower part, a skirt (8). 5. Berlingot selon les revendications de 1 à 4, caractérisé en ce que la jupe (8) de la bague-goulot présente des fentes verticales (9).5. Berlingot according to claims 1 to 4, characterized in that the skirt (8) of the neck ring has vertical slots (9). 6. Berlingot selon les revendications de 1 à 5, caractérisé en ce que la jupe (8) de la bague (1) se termine par un renflement formant crochet sur toute sa circonférence extérieure.6. Berlingot according to claims 1 to 5, characterized in that the skirt (8) of the ring (1) ends in a bulge forming a hook over its entire outer circumference. 7. Berlingot selon les revendications 1 et 2, caractérisé en ce que la couronne (4) de la bague-goulot (1) comporte, sur sa face intérieure, un bourrelet circulaire en saillie (16).7. Berlingot according to claims 1 and 2, characterized in that the crown (4) of the neck ring (1) comprises, on its inner face, a projecting circular bead (16). 8. Berlingot selon les revendications 1 et 2, caractérisé en ce que la capsule amovible comporte sur son pourtour deux renflements (12 et 13) formant segment d'étanchéité.8. Berlingot according to claims 1 and 2, characterized in that the removable capsule has on its periphery two bulges (12 and 13) forming a sealing segment. 9. Procédé de fabrication d'un berlingot selon les revendications 1 et 2, caractérisé en ce que la bague formant goulot (1) est introduite par pression, sur la face extérieure de la paroi du berlingot, dans l'orifice pratiqué dans cette paroi, et solidarisée sur les rebords de l'orifice avant que le berlingot ne soit refermé.9. A method of manufacturing a container according to claims 1 and 2, characterized in that the neck forming neck (1) is introduced by pressure, on the outer face of the wall of the container, in the orifice formed in this wall , and secured to the edges of the orifice before the cart is closed. 10. Procédé selon la revendication 9, caractérisé en ce que la bague-goulot est introduite dans l'orifice de la paroi avant que la feuille ne soit pliée en forme de berlingot.10. Method according to claim 9, characterized in that the neck-neck is introduced into the orifice of the wall before the sheet is folded in the form of cartons. 11. Procédé selon-la revendication 9, caractérisé en ce que la solidarisation de la bague-goulot,sur les rebords de l'orifice, est obtenue par rivetage, en passant la rondelle (2) sur la face interne de la paroi du berlingot et en la refoulant sur la jupe (8) de la bague (1), jusqu'à ce que les crochets (6) viennent s'agripper sur les bords intérieurs bas de la rondelle (2).11. Method according to claim 9, characterized in that the joining of the neck-neck, on the edges of the orifice, is obtained by riveting, passing the washer (2) on the internal face of the wall of the carton and pushing it back on the skirt (8) of the ring (1), until the hooks (6) come to grip on the bottom interior edges of the washer (2). 12. Procédé de fabrication selon les revendications 9 et 10, caractérisé en ce que la jupe ( 8) de la bague-goulot est refoulée à pression contre la face interne de la paroi du berlingot, jusqu'à ce que la jupe (8) vienne s'appliquer sur le bourrelet circulaire en saillie (16).12. The manufacturing method according to claims 9 and 10, characterized in that the skirt (8) of the neck ring is pressurized against the internal face of the wall of the carton, until the skirt (8) is applied to the projecting circular bead (16). 13. Procédé de fabrication selon les revendications 9 et 10, caractérisé en ce que le refoulement de la jupe (8) , en plastique, est effectué à chaud sur la paroi interne plastifiée du berlingot, provoquant un thermo-collage.13. The manufacturing method according to claims 9 and 10, characterized in that the discharge of the skirt (8), made of plastic, is carried out hot on the internal plasticized wall of the carton, causing heat bonding. 14. Moyen de mise en oeuvre du procédé selon les revendications 9, 12 et 13, caractérisé en ce qu'il est constitué d'un dispositif d'amenée (19) des berlingots ouverts, d'une presse formée de deux mâchoires (21 et 23) dont l'une, fixe, est pourvue d'une matrice (22) et l'autre est animée d'un mouvement horizontal de va-et-vient, par un piston pneumatique (25), l'ensemble mâchoire et piston étant accroché sous- un tablier-support (28) mobile de bas en haut, actionné par un piston pneumatique (31) et guidé par deux systèmes de guidage (29 et 30); l'alimentation en air comprimé des pistons pneumatiques (25 et 31) étant assurée par les tuyaux flexibles (26, 27 et 32, 33) reliés à une armoire de commande (36) contenant des valves de distribution d'air comprimé, dont le déclenchement est provoqué par un palpeur (38) relié à l'armoire de commande (36).14. Means of implementing the method according to claims 9, 12 and 13, characterized in that it consists of a feeding device (19) of the open cartons, of a press formed by two jaws (21 and 23) one of which, fixed, is provided with a matrix (22) and the other is driven in a horizontal movement back and forth, by a pneumatic piston (25), the jaw assembly and piston being hooked under a support apron (28) movable from bottom to top, actuated by a pneumatic piston (31) and guided by two guide systems (29 and 30); the compressed air supply to the pneumatic pistons (25 and 31) being ensured by the flexible hoses (26, 27 and 32, 33) connected to a control cabinet (36) containing compressed air distribution valves, the tripping is caused by a probe (38) connected to the control cabinet (36).
EP80810120A 1979-04-19 1980-04-08 Closable container made of semi-rigid material, manufacturing process and means for using it Withdrawn EP0018325A1 (en)

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CH3670/79 1979-04-19
CH367079 1979-04-19

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FR683143A (en) * 1930-05-02 1930-06-06 Ver Stahlwerke Ag Receptacle of iron or other metal with threaded plug
FR792499A (en) * 1934-10-05 1935-12-31 Improvements in the manufacture of containers for oil and similar products
FR986727A (en) * 1949-03-16 1951-08-03 Plastic articles
DE1095644B (en) * 1955-12-05 1960-12-22 Seal Spout Corp Machine for fastening a pouring spout in a wall of an open-topped container made of cardboard, cardboard or the like.
FR1354674A (en) * 1963-04-26 1964-03-06 American Flange & Mfg Improvements to sealing rings for packaging containers

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998668A (en) * 1985-02-05 1991-03-12 Tetra Pak International Ab Pack for liquids
US5158633A (en) * 1985-02-05 1992-10-27 Tetra Pak International Ab Method for producing an opening means on a pack for liquids
DE3808303A1 (en) * 1988-03-12 1989-09-21 Pkl Verpackungssysteme Gmbh SQUARE FLAT GINGLE PACK AND METHOD FOR THE PRODUCTION THEREOF
EP0342729A1 (en) * 1988-05-20 1989-11-23 The Procter & Gamble Company Moisture impervious carton having one piece pouring spout sealed to innermost & outermost surfaces
US4909434A (en) * 1988-05-20 1990-03-20 The Procter & Gamble Company Moisture impervious carton having one-piece pouring spout sealed to innermost and outermost surfaces
FR2645502A1 (en) * 1989-04-07 1990-10-12 Vinipak Container made from plastic-coated cardboard with a welded pouring lip and its method of manufacture
US5125886A (en) * 1989-12-15 1992-06-30 The Procter & Gamble Company One piece pouring spout sealed to innermost and outermost surfaces of moisture impervious carton
EP0505388A1 (en) * 1989-12-15 1992-09-30 Procter & Gamble Improved one piece pouring spout sealed to innermost and outermost surfaces of moisture impervious carton.
EP0505388A4 (en) * 1989-12-15 1993-11-03 The Procter & Gamble Company Improved one piece pouring spout sealed to innermost and outermost surfaces of moisture impervious carton
EP0448329A1 (en) * 1990-03-19 1991-09-25 Unilever Plc Container fitting
CN106778515A (en) * 2016-11-24 2017-05-31 北京华航无线电测量研究所 A kind of flange axial direction leakage field array signal automatic identifying method

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