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EP1254059A2 - Closure cap for standard glass ring - Google Patents

Closure cap for standard glass ring

Info

Publication number
EP1254059A2
EP1254059A2 EP01903856A EP01903856A EP1254059A2 EP 1254059 A2 EP1254059 A2 EP 1254059A2 EP 01903856 A EP01903856 A EP 01903856A EP 01903856 A EP01903856 A EP 01903856A EP 1254059 A2 EP1254059 A2 EP 1254059A2
Authority
EP
European Patent Office
Prior art keywords
insert
capsule
capsule according
skirt
typically
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
EP01903856A
Other languages
German (de)
French (fr)
Other versions
EP1254059B1 (en
Inventor
Jacques Granger
Jean-Marie Bourreau
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.)
Amcor Flexibles Capsules France SAS
Original Assignee
Pechiney Emballage Alimentaire
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pechiney Emballage Alimentaire filed Critical Pechiney Emballage Alimentaire
Publication of EP1254059A2 publication Critical patent/EP1254059A2/en
Application granted granted Critical
Publication of EP1254059B1 publication Critical patent/EP1254059B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0492—Threaded or like caps or cap-like covers secured by rotation formed by several elements connected together
    • 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
    • B65D49/00—Arrangements or devices for preventing refilling of containers
    • B65D49/02—One-way valves
    • B65D49/04—Weighted valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]

Definitions

  • the invention relates to the field of capsules and more specifically screw closure capsules intended to close containers or bottles whose glass ring has a thread.
  • bottles are typically bottles of aperitifs, liqueurs, alcohols, alcoholic beverages, the consumption of which is typically staggered, which requires being able to close and open, possibly a large number of times, said bottles.
  • These capsules most often include a tamper-evident or guarantee strip.
  • Some of these capsules are made of plastic, as described in European patent n ° 0107 680 to the applicant, and typically intended for the closure of plastic water bottles.
  • the screw closure caps intended for the closure of aperitifs, alcohols and spirits include a threaded plastic insert fixed inside a blank. capsule, typically metallic, so that no thread is visible on the outside.
  • a first problem posed by capsules of the state of the art is the need to use containers, typically bottles, having an expensive glass ring as it is specifically adapted to this type of capsule. These capsules are known under the brand name Supaluxe ® and there is therefore a specific glass ring standard for these capsules.
  • a second problem is the cost of the insert, in particular the material cost of the insert.
  • the plastic insert of the closure caps of the prior art has a certain thickness which required the development of a specific glass ring.
  • the object of the invention is a closure cap with a thin skirted insert which makes it possible simultaneously to use standard glassware rings and to reduce the material cost of the insert and of the bottle.
  • the closure cap comprises a capsule blank, typically provided with a head and a skirt, and a plastic insert with a threaded skirt fixed to said blank, and is characterized in that said threaded skirt includes an internal thread whose bottom has a thickness ranging from 0.40 mm to 0.150 mm.
  • said thickness ranges from 0.25 mm to 0.20 mm.
  • the ratio between the thickness of the thread at its top and at its bottom is between 2 and 10.
  • the inserts according to the invention can have a height ranging from 10 mm to 20 mm.
  • a typical insert of the invention has a skirt height between 12 and 14 mm, the thickness at the bottom of the thread of the skirt of said insert being between 0.15 and 0.30 mm, and a weight typically between 0 , 8 and 1.5 g, these characteristics being those which correspond to a standard glass ring according to French standard NF H35-103, with a diameter typically ranging from 30 to 31.5 mm in the case of the most common diameters, or according to any other ISO, CEN or AFNOR standard from ring to glass or plastic screws capable of receiving a capsule.
  • the capsule of the invention is characterized in fact by the fact that the insert has a very thin skirt, so as to simultaneously solve all the problems of the invention.
  • the inserts of the prior art have the following characteristics:
  • the Applicant has observed that, in the inserts according to the invention, and unlike the inserts of the state of the art, the insert alone would not have sufficient mechanical characteristics to ensure screwing and sealing.
  • the Applicant has observed that an insert according to the invention, even with a very thin skirt, having in itself weak mechanical characteristics, could fulfill the expected functions with regard in particular to screwing and sealing in to the extent that it was secured to a capsule blank, or at least to a skirt having the required mechanical characteristics.
  • the insert considered as an entity, was made integral with the capsule blank in rotation, since it was necessary for the manual screwing or unscrewing force exerted on the blank outside is transmitted to the inside insert.
  • the Applicant has therefore found that it was sufficient for the insert to retain a thread of sufficient thickness - typically of the order of 1 mm, and a skirt of thin thickness - typically 0.2 mm, but just sufficient to allow the formation of said insert and its manipulation.
  • the Applicant has therefore found that the net could play its technical functions, simply on condition that it is secured to a blank with sufficient mechanical characteristics, the thin skirt used for the manufacture and handling of the insert, and n 'providing only a secondary contribution to the mechanical strength of the net, therefore being virtually no longer necessary.
  • the inserts according to the invention are not only an improvement or a improvement of known inserts. They are in fact a new generation of inserts. These inserts result from exploratory tests undertaken with no real hope of success because outside the field considered realistic by those skilled in the art, taking into account foreseeable problems, whether it is to form inserts with such a thin skirt, to assemble insert as light and to obtain the same properties of use as those obtained with the insert of the prior art.
  • FIG. 1 is an axial sectional view of a capsule (1) according to the invention crimped onto a standard glass ring and provided with an attached seal (4).
  • the blank (2) and the insert (3) are presented with a space between them, while they are closely connected. It is the same in the following figures.
  • FIG. 2 is a view in axial section of the insert of the capsule of FIG. 1.
  • Figure 3 is a partial view in axial section of a capsule according to the invention similar to that of Figure 1, wherein said insert consists of a skirt.
  • FIG. 4 is a partial view in axial section of a capsule according to the invention analogous to that of FIG. 1, in which said blank consists of a skirt
  • FIG. 4a is a method of assembling a capsule according to figure 4.
  • FIG. 5 similar to FIG. 4, represents a capsule in which the head of the insert carries a sealing lip which replaces the attached seal of the capsules of the preceding figures.
  • the inserts have a shutter (35).
  • the skirt (31) of said insert (3) is fixed to the skirt (21) of said blank (2) by gluing, typically by means of an adhesive layer, by force fitting or by heat sealing.
  • bonding is used.
  • This bonding can be obtained either by using an adhesive layer ensuring the connection between said insert and said blank, typically a layer of adhesive which can be applied hot, known as “hot-melt”, or by using a blank having a surface. interior able to adhere to said insert.
  • hot-melt a layer of adhesive which can be applied hot
  • said insert (3) can comprise a head (30) typically provided with an inner lip (33) ensuring the sealing of the closure.
  • an attached seal (4) integrated into the capsule and held at the bottom of the capsule by a rib (34), can seal the closure.
  • said insert (3) can be constituted simply by a threaded skirt (31), as illustrated in FIG. 3.
  • the insert can comprise a shutter (35).
  • said blank (2) can be chosen from metal blanks, typically aluminum, metalloplastic blanks made of multilayer material, blanks formed by stamping or by rolling the corresponding material into a strip, and capable of being crimped under the counter - neck of the neck.
  • the mechanical characteristics of these blanks must be sufficient in particular to ensure the crimping of the capsule and to contain the radial or axial forces which are exerted on the insert during the screwing or unscrewing of the capsule.
  • the thicknesses of these blanks can range from 100 ⁇ m to 300 ⁇ m depending on the specific mechanical characteristics of the materials used.
  • Said blank (2) can be constituted by a skirt (21), as illustrated in FIGS. 4 and 4a.
  • said insert (3) is formed from a plastic material which is both injection moldable, suitable for food contact, and which has mechanical characteristics, and in particular a hardness, at 25 ° C. at least equal to that of the EP. It is thus possible to use PE or mixtures of PE, PP, all materials which meet the required requirements and which form part of the least expensive plastics, or even PET or PBT.
  • said plastic material is a polyolefin comprising an inorganic filler intended to increase the mechanical characteristics of said plastic material.
  • the content by weight% of said filler in said plastic material can range from 5 to 50%.
  • said plastic material can be PP and said content by weight can be between 35 and 45%.
  • mineral filler typically micronized, can be taken.
  • talc typically micronized
  • a flexural modulus of 4490 MPa is obtained.
  • other mineral fillers can be taken, such as phyllosilicates.
  • said threaded skirt (31) of said insert can be discontinuous in the axial plane, so that the fixing of said capsule to said threaded neck, operation called capping, can be carried out by simple axial pressure, without it being necessary to screw said capsule to said threaded neck.
  • the capsule (1) according to the invention can comprise means for ensuring one or more of the following complementary functions: - indication of first opening, with a weakening line,
  • Another object of the invention is a method of manufacturing capsules (1) according to the invention. In this process: a) we supply capsule blanks (2), b) we mold said inserts (3), c) we insert the inserts (3) in the blanks (2) to form said capsules (1) , typically using a layer of hot melt. d) assembling, typically with said insert, other elements possibly present in the capsule such as an attached seal (4), a filling device or an anti-sagging device.
  • a mandrel with an expandable core is used, so that it can be extracted from the mold without unscrewing.
  • the blanks for capsules can be formed by stamping or by rolling and lateral welding of strip or sheet materials of required thickness and structure.
  • Capsules were produced according to FIGS. 1 to 5.
  • the injection molding (3) was used for injection molding of a mixture of LDPE and HDPE 50/50 by weight.
  • Inserts have also been molded from PP copolymer and PET, as well as PP loaded at 40% by volume with talc, as a thermoplastic molding material.
  • All the inserts (3) had a skirt (31) whose dimensions are shown in FIG. 2.
  • a blank made of aluminum alloy 0.21 mm thick and 60 mm high was used as the blank (2).
  • Hot-melt type adhesive was used to attach the inserts to the blanks.
  • a standard commercial seal (4) was used.
  • the various elements were assembled on line as follows:
  • the capsule (1) according to the invention has a double advantage, since it is in itself more economical than a standard capsule, and since it can be used on standard bottles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention concerns a closure cap (1) comprising a cap blank (2), typically provided with a top (20) and a skirt (21), and a plastic insert (3) with threaded skirt (31) fixed to said blank (2). The invention is characterised in that said threaded skirt (31) comprises an internal thread (32) whereof the base (320) has a thickness ranging between 0.40 mm to 0.150 mm.

Description

CAPSULE DE BOUCHAGE POUR BAGUE DE VERRERIE STANDARD CAPPING CAP FOR STANDARD GLASS RING
DOMAINE DE L'INVENTIONFIELD OF THE INVENTION
L'invention concerne le domaine des capsules et plus spécialement les capsules de bouchage à vis destinées à fermer des récipients ou des bouteilles dont la bague de verrerie comporte un filetage.The invention relates to the field of capsules and more specifically screw closure capsules intended to close containers or bottles whose glass ring has a thread.
Ces bouteilles sont typiquement des bouteilles d'apéritifs, de liqueurs, d'alcools, de boissons alcoolisées, dont la consommation est typiquement échelonnée, ce qui nécessite de pouvoir fermer et ouvrir, éventuellement un grand nombre de fois lesdites bouteilles. Ces capsules comprennent le plus souvent une bande d'inviolabilité ou de garantie.These bottles are typically bottles of aperitifs, liqueurs, alcohols, alcoholic beverages, the consumption of which is typically staggered, which requires being able to close and open, possibly a large number of times, said bottles. These capsules most often include a tamper-evident or guarantee strip.
ETAT DE LA TECHNIQUESTATE OF THE ART
On connaît déjà un grand nombre de capsules de bouchage.A large number of stopper capsules are already known.
Certaines de ces capsules sont en matière plastique, comme décrit dans le brevet européen n° 0107 680 au de la demanderesse, et typiquement destinées au bouchage de bouteilles d'eau en matière plastique.Some of these capsules are made of plastic, as described in European patent n ° 0107 680 to the applicant, and typically intended for the closure of plastic water bottles.
D'autres sont métalliques, comme décrites dans les demandes de brevet français n° 9705182 ou 9706009 au nom de la demanderesse, et typiquement destinées au bouchage de bouteilles d'alcools, apéritifs et spiritueux. Ces capsules comprennent un insert plastique fileté.Others are metallic, as described in French patent applications No. 9705182 or 9706009 in the name of the applicant, and typically intended for corking bottles of alcohols, aperitifs and spirits. These capsules include a threaded plastic insert.
PROBLEMES POSESPROBLEMS POSED
Les capsules de bouchage à vis destinées au bouchage des apéritifs, alcools et spiritueux comprennent un insert fileté en matière plastique fixé à l'intérieur d'une ébauche de capsule, typiquement métallique, de sorte qu'aucun filetage n'est apparent extérieurement.The screw closure caps intended for the closure of aperitifs, alcohols and spirits include a threaded plastic insert fixed inside a blank. capsule, typically metallic, so that no thread is visible on the outside.
Un premier problème posé par les capsules de l'état de la technique est la nécessité d'utiliser des récipients, typiquement des bouteilles, présentant une bague de verrerie coûteuse car spécifiquement adaptée à ce type de capsule. Ces capsules sont connues sous la marque Supaluxe ® et il existe donc une norme de bague de verrerie spécifique pour ces capsules.A first problem posed by capsules of the state of the art is the need to use containers, typically bottles, having an expensive glass ring as it is specifically adapted to this type of capsule. These capsules are known under the brand name Supaluxe ® and there is therefore a specific glass ring standard for these capsules.
Un second problème est le coût de l'insert, notamment le coût matière de l'insert. En effet, l'insert plastique des capsules de bouchage de l'état de la technique présente une certaine épaisseur qui a nécessité la mise au point d'une bague de verrerie spécifique.A second problem is the cost of the insert, in particular the material cost of the insert. Indeed, the plastic insert of the closure caps of the prior art has a certain thickness which required the development of a specific glass ring.
L'objet de l'invention est une capsule de bouchage à insert à jupe mince permettant simultanément d'utiliser des bagues de verrerie standard et de réduire le coût matière de l'insert et de la bouteille.The object of the invention is a closure cap with a thin skirted insert which makes it possible simultaneously to use standard glassware rings and to reduce the material cost of the insert and of the bottle.
DESCRIPTION DE L'INVENTIONDESCRIPTION OF THE INVENTION
Selon l'invention, la capsule de bouchage comprend une ébauche de capsule, typiquement dotée d'une tête et d'une jupe, et un insert en matière plastique à jupe filetée fixé à ladite ébauche, et est caractérisée en ce que ladite jupe filetée comprend un filet intérieur dont le fond présente une épaisseur allant de 0,40 mm à 0,150 mm.According to the invention, the closure cap comprises a capsule blank, typically provided with a head and a skirt, and a plastic insert with a threaded skirt fixed to said blank, and is characterized in that said threaded skirt includes an internal thread whose bottom has a thickness ranging from 0.40 mm to 0.150 mm.
De préférence, ladite épaisseur va de 0,25 mm à 0,20 mm. Dans les capsules selon l'invention, le rapport entre l'épaisseur du filet à son sommet et à son fond est compris entre 2 et 10.Preferably, said thickness ranges from 0.25 mm to 0.20 mm. In the capsules according to the invention, the ratio between the thickness of the thread at its top and at its bottom is between 2 and 10.
Il est de préférence compris entre 5 et 9.It is preferably between 5 and 9.
Les inserts selon l'invention peuvent présenter une hauteur allant de 10 mm à 20 mm.The inserts according to the invention can have a height ranging from 10 mm to 20 mm.
Un insert typique de l'invention présente une hauteur de jupe comprise entre 12 et 14 mm, l'épaisseur en fond de filet de la jupe dudit insert étant comprise entre 0,15 et 0,30 mm, et un poids typiquement compris entre 0,8 et 1 ,5 g, ces caractéristiques étant celles qui correspondent à une bague de verrerie standard selon la norme française NF H35- 103, avec un diamètre allant typiquement 30 à 31,5 mm dans le cas des diamètres les plus courants, ou selon toute autre norme ISO, CEN ou AFNOR de bague à vis en verre ou en matière plastique pouvant recevoir une capsule. La capsule de l'invention se caractérise en effet par le fait que l'insert présente une jupe très mince, de manière à résoudre simultanément tous les problèmes de l'invention. Par comparaison, les inserts de l'état de la technique présentent les caractéristiques suivantes :A typical insert of the invention has a skirt height between 12 and 14 mm, the thickness at the bottom of the thread of the skirt of said insert being between 0.15 and 0.30 mm, and a weight typically between 0 , 8 and 1.5 g, these characteristics being those which correspond to a standard glass ring according to French standard NF H35-103, with a diameter typically ranging from 30 to 31.5 mm in the case of the most common diameters, or according to any other ISO, CEN or AFNOR standard from ring to glass or plastic screws capable of receiving a capsule. The capsule of the invention is characterized in fact by the fact that the insert has a very thin skirt, so as to simultaneously solve all the problems of the invention. By comparison, the inserts of the prior art have the following characteristics:
- épaisseur en fond de filet : 3 mm - épaisseur en sommet de filet : 4 mm- thickness at the bottom of the net: 3 mm - thickness at the top of the net: 4 mm
- hauteur de jupe : 25 mm- skirt height: 25 mm
- poids : de 4 à 5 g- weight: from 4 to 5 g
La simple comparaison de ces données montre l'immense écart entre les inserts selon l'état de la technique et selon l'invention. Suite à ses essais et à ses travaux, la demanderesse a constaté qu'il était possible, moyennant des adaptations, et contrairement à ce qu'elle croyait initialement :A simple comparison of these data shows the immense difference between the inserts according to the state of the art and according to the invention. Following its tests and its work, the plaintiff found that it was possible, with adaptations, and contrary to what it initially believed:
- de mouler un insert à jupe de faible épaisseur, du moins dans certaines limites,- to mold a thin skirted insert, at least within certain limits,
- de manipuler et assembler en ligne des inserts, même très légers, avec des ébauches de capsules, - d'obtenir une capsule finale fonctionnant correctement sur bague de verrerie standard, tant en ce qui concerne le vissage que l'étanchéité, à condition que l'assemblage dudit insert et de ladite ébauche soit solide.- to handle and assemble in line inserts, even very light ones, with capsule blanks, - to obtain a final capsule functioning correctly on a standard glass ring, both with regard to screwing and sealing, provided that the assembly of said insert and said blank is solid.
En effet, la demanderesse a observé que, dans les inserts selon l'invention, et contrairement aux inserts de l'état de la technique, l'insert seul ne présenterait pas les caractéristiques mécaniques suffisantes pour assurer le vissage et l'étanchéité. Par contre, la demanderesse a observé qu'un insert selon l'invention, même avec une jupe très mince, présentant en lui-même de faibles caractéristiques mécaniques, pouvait remplir les fonctions attendues en ce qui concerne notamment le vissage et l'étanchéité dans la mesure où il était solidarisé à une ébauche de capsule, ou du moins à une jupe présentant les caractéristiques mécaniques requises. Dans les capsules selon l'état de la technique, l'insert, considéré comme une entité, était rendu solidaire de l'ébauche de capsule en rotation, puisqu'il fallait que l'effort de vissage ou dévissage manuel exercé sur l'ébauche extérieure soit transmis à l'insert intérieur. Avec les inserts selon l'invention, la demanderesse a donc trouvé qu'il suffisait que l'insert conserve un filet d'épaisseur suffisante - typiquement de l'ordre de 1 mm, et une jupe d'épaisseur faible - typiquement 0,2 mm, mais juste suffisante pour permettre la formation dudit insert et sa manipulation. La demanderesse a donc trouvé que le filet pouvait jouer ses fonctions techniques, simplement à condition qu'il soit solidarisé à une ébauche de caractéristiques mécaniques suffisantes, la jupe de faible épaisseur servant à la fabrication et à la manipulation de l'insert, et n'apportant qu'une contribution secondaire dans la tenue mécanique du filet, n'étant donc virtuellement plus nécessaire.Indeed, the Applicant has observed that, in the inserts according to the invention, and unlike the inserts of the state of the art, the insert alone would not have sufficient mechanical characteristics to ensure screwing and sealing. On the other hand, the Applicant has observed that an insert according to the invention, even with a very thin skirt, having in itself weak mechanical characteristics, could fulfill the expected functions with regard in particular to screwing and sealing in to the extent that it was secured to a capsule blank, or at least to a skirt having the required mechanical characteristics. In the capsules according to the state of the art, the insert, considered as an entity, was made integral with the capsule blank in rotation, since it was necessary for the manual screwing or unscrewing force exerted on the blank outside is transmitted to the inside insert. With the inserts according to the invention, the Applicant has therefore found that it was sufficient for the insert to retain a thread of sufficient thickness - typically of the order of 1 mm, and a skirt of thin thickness - typically 0.2 mm, but just sufficient to allow the formation of said insert and its manipulation. The Applicant has therefore found that the net could play its technical functions, simply on condition that it is secured to a blank with sufficient mechanical characteristics, the thin skirt used for the manufacture and handling of the insert, and n 'providing only a secondary contribution to the mechanical strength of the net, therefore being virtually no longer necessary.
Avec un poids divisé par 4 ou 5 et une épaisseur en fond de filet qui peut être divisée par plus de 10 par rapport à un insert de l'état de la technique, les inserts selon l'invention ne sont pas seulement une amélioration ou un perfectionnement des inserts connus. Ils constituent en fait une nouvelle génération d'inserts. Ces inserts résultent d'essais exploratoires entrepris sans réel espoir de réussite car hors du domaine considéré comme réaliste par l'homme du métier, compte tenu des problèmes prévisibles, que ce soit pour former par injection des inserts à jupe aussi mince, pour assembler des insert aussi légers et pour obtenir les mêmes propriétés d'usage que celles obtenues avec l'insert de l'état de la technique.With a weight divided by 4 or 5 and a thickness at the bottom of the thread which can be divided by more than 10 compared to an insert of the state of the art, the inserts according to the invention are not only an improvement or a improvement of known inserts. They are in fact a new generation of inserts. These inserts result from exploratory tests undertaken with no real hope of success because outside the field considered realistic by those skilled in the art, taking into account foreseeable problems, whether it is to form inserts with such a thin skirt, to assemble insert as light and to obtain the same properties of use as those obtained with the insert of the prior art.
DESCRIPTION DES FIGURESDESCRIPTION OF THE FIGURES
La figure 1 est une vue en coupe axiale d'une capsule (1) selon l'invention sertie sur une bague de verrerie standard et dotée d'un joint d'étanchéité rapporté (4). Par souci de clarté l'ébauche (2) et l'insert (3) sont présentés avec un espace entre eux, alors qu'ils sont étroitement solidaires. Il en est de même sur les figures qui suivent. La figure 2 est une vue en coupe axiale de l'insert de la capsule de la figure 1.Figure 1 is an axial sectional view of a capsule (1) according to the invention crimped onto a standard glass ring and provided with an attached seal (4). For the sake of clarity, the blank (2) and the insert (3) are presented with a space between them, while they are closely connected. It is the same in the following figures. FIG. 2 is a view in axial section of the insert of the capsule of FIG. 1.
La figure 3 est une vue partielle en coupe axiale d'une capsule selon l'invention analogue à celle de la figure 1, dans laquelle ledit insert est constitué d'une jupe.Figure 3 is a partial view in axial section of a capsule according to the invention similar to that of Figure 1, wherein said insert consists of a skirt.
La figure 4 est une vue partielle en coupe axiale d'une capsule selon l'invention analogue à celle de la figure 1, dans laquelle ladite ébauche est constituée d'une jupe, la figure 4a est une modalité d'assemblage d'une capsule selon la figure 4.FIG. 4 is a partial view in axial section of a capsule according to the invention analogous to that of FIG. 1, in which said blank consists of a skirt, FIG. 4a is a method of assembling a capsule according to figure 4.
La figure 5, analogue à la figure 4, représente une capsule dans laquelle la tête de l'insert porte une lèvre d'étanchéité qui remplace le joint rapporté des capsules des figures précédentes.FIG. 5, similar to FIG. 4, represents a capsule in which the head of the insert carries a sealing lip which replaces the attached seal of the capsules of the preceding figures.
Les figures 6 et 7, analogues à la figure 1, représentent une capsule (1) dotée d'une lèvre d'étanchéité (33) à la place du joint rapporté (4) de la figure 1 et comprenant, sur la figure 6, un dispositif anti-gouttes (6), pré-assemblé à ladite capsule grâce à ladite lèvre (33), et fixé, lors du capsulage, à l'intérieur de la bague de verrerie (51) du goulot (5), grâce à des ailettes (60) de fixation, alors que, sur la figure 7, la capsule comprend un dispositif d'irremplissabilité (7), typiquement analogue au dispositif anti-gouttes (6), mais comprenant typiquement une bille (70) comprise entre une lèvre inférieure (72) empêchant la bille de tomber et empêchant le remplissage ultérieur du récipient ou de la bouteille, et entre une membrane supérieure (71) empêchant l'extraction de la bille (70) tout en permettant l'écoulement du liquide contenu dans la bouteille. Sur les figures 6a et 7a, analogues aux figures 6 et 7, les inserts ont un obturateur (35).FIGS. 6 and 7, similar to FIG. 1, show a capsule (1) provided with a sealing lip (33) in place of the attached seal (4) in FIG. 1 and comprising, in FIG. 6, an anti-drip device (6), pre-assembled to said capsule by means of said lip (33), and fixed, during capping, inside the glass ring (51) of the neck (5), thanks to fixing fins (60), whereas, in FIG. 7, the capsule comprises a filling device (7), typically analogous to the anti-drip device (6), but typically comprising a ball (70) comprised between a lower lip (72) preventing the ball from falling and preventing subsequent filling of the container or bottle, and between an upper membrane (71) preventing the extraction of the ball (70) while allowing the liquid contained in the bottle. In Figures 6a and 7a, similar to Figures 6 and 7, the inserts have a shutter (35).
DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION
Selon l'invention, la jupe (31) dudit insert (3) est fixée à la jupe (21) de ladite ébauche (2) par collage, typiquement grâce à une couche adhésive, par un emmanchement à force ou par thermoscellage. De préférence on utilise le collage. Ce collage peut être obtenu soit en utilisant une couche adhésive assurant la liaison entre ledit insert et ladite ébauche, typiquement une couche d'adhésif applicable à chaud, connu sous le nom de « hot-melt », soit en utilisant une ébauche présentant une surface intérieure apte à adhérer au dit insert. Ainsi, comme décrit dans la demande française n° 9706009 au nom de la demanderesse, on peut utiliser une ébauche revêtue intérieurement d'une couche comprenant de la matière plastique constituant ledit insert à l'état divisé, et ainsi apte à être thermoscellée audit insert.According to the invention, the skirt (31) of said insert (3) is fixed to the skirt (21) of said blank (2) by gluing, typically by means of an adhesive layer, by force fitting or by heat sealing. Preferably, bonding is used. This bonding can be obtained either by using an adhesive layer ensuring the connection between said insert and said blank, typically a layer of adhesive which can be applied hot, known as “hot-melt”, or by using a blank having a surface. interior able to adhere to said insert. Thus, as described in French application No. 9706009 in the name of the applicant, it is possible to use a blank internally coated with a layer comprising the plastic material constituting said insert in the divided state, and thus capable of being heat-sealed to said insert. .
Selon une modalité de l'invention représentée à la figure 5, ledit insert (3) peut comprendre une tête (30) typiquement dotée d'une lèvre intérieure (33) assurant l'étanchéité du bouchage.According to a mode of the invention shown in FIG. 5, said insert (3) can comprise a head (30) typically provided with an inner lip (33) ensuring the sealing of the closure.
Mais, comme illustré sur les figures 1 à 4, un joint rapporté (4), intégré à la capsule et maintenu au fond de la capsule par une nervure (34), peut assurer l'étanchéité du bouchage. Dans ce cas, ledit insert (3) peut être constitué simplement par une jupe filetée (31), comme illustré à la figure 3. Comme illustré aux figures 6a et 7a, l'insert peut comprendre un obturateur (35).However, as illustrated in FIGS. 1 to 4, an attached seal (4), integrated into the capsule and held at the bottom of the capsule by a rib (34), can seal the closure. In this case, said insert (3) can be constituted simply by a threaded skirt (31), as illustrated in FIG. 3. As illustrated in FIGS. 6a and 7a, the insert can comprise a shutter (35).
Selon l'invention, ladite ébauche (2) peut être choisie parmi les ébauches métalliques, typiquement en aluminium, les ébauches métalloplastiques en matériau multicouche, ébauches formées par emboutissage ou par roulage du matériau correspondant en bande, et aptes à être serties sous la contre-bague du goulot. Les caractéristiques mécaniques de ces ébauches doivent être suffisantes notamment pour assurer le sertissage de la capsule et pour contenir les efforts radiaux ou axiaux qui s'exercent sur l'insert lors du vissage ou dévissage de la capsule. Typiquement, les épaisseurs de ces ébauches peuvent aller de 100 μm à 300 μm selon les caractéristiques mécaniques propres des matériaux utilisés. Ladite ébauche (2) peut être constituée par une jupe (21), comme illustré sur les figures 4 et 4a. Il importe que ledit insert (3) soit formé d'une matière plastique qui soit à la fois moulable par injection, apte au contact alimentaire, et qui présente à 25° C des caractéristiques mécaniques, et notamment une dureté, au moins égales à celle du PE. On peut ainsi utiliser des PE ou des mélanges de PE, du PP, tous matériaux qui satisfont aux exigences requises et qui font partie des matières plastiques les moins onéreuses, ou encore du PET ou PBT.According to the invention, said blank (2) can be chosen from metal blanks, typically aluminum, metalloplastic blanks made of multilayer material, blanks formed by stamping or by rolling the corresponding material into a strip, and capable of being crimped under the counter - neck of the neck. The mechanical characteristics of these blanks must be sufficient in particular to ensure the crimping of the capsule and to contain the radial or axial forces which are exerted on the insert during the screwing or unscrewing of the capsule. Typically, the thicknesses of these blanks can range from 100 μm to 300 μm depending on the specific mechanical characteristics of the materials used. Said blank (2) can be constituted by a skirt (21), as illustrated in FIGS. 4 and 4a. It is important that said insert (3) is formed from a plastic material which is both injection moldable, suitable for food contact, and which has mechanical characteristics, and in particular a hardness, at 25 ° C. at least equal to that of the EP. It is thus possible to use PE or mixtures of PE, PP, all materials which meet the required requirements and which form part of the least expensive plastics, or even PET or PBT.
De préférence, ladite matière plastique est une polyoléfine comprenant une charge minérale destinée à augmenter les caractéristiques mécaniques de ladite matière plastique. La teneur en poids % de ladite charge dans ladite matière plastique peut aller de 5 à 50 %.Preferably, said plastic material is a polyolefin comprising an inorganic filler intended to increase the mechanical characteristics of said plastic material. The content by weight% of said filler in said plastic material can range from 5 to 50%.
Ainsi, ladite matière plastique peut être du PP et ladite teneur en poids peut être comprise entre 35 et 45%. Comme charge minérale, on peut prendre du talc, typiquement micronisé. Ainsi, par exemple, avec 40% de talc, on obtient un module d'élasticité en flexion de 4490 MPa. Mais, on peut prendre d'autres charges minérales, telles que des phyllosilicates.Thus, said plastic material can be PP and said content by weight can be between 35 and 45%. As mineral filler, talc, typically micronized, can be taken. Thus, for example, with 40% talc, a flexural modulus of 4490 MPa is obtained. However, other mineral fillers can be taken, such as phyllosilicates.
De plus, selon l'invention, ladite jupe filetée (31) dudit insert, tout comme ledit filet (32), peut être discontinue dans le plan axial, de manière à ce que la fixation de ladite capsule audit goulot fileté, opération dite de capsulage, puisse être réalisée par simple pression axiale, sans qu'il soit nécessaire de visser ladite capsule audit goulot fileté.In addition, according to the invention, said threaded skirt (31) of said insert, like said thread (32), can be discontinuous in the axial plane, so that the fixing of said capsule to said threaded neck, operation called capping, can be carried out by simple axial pressure, without it being necessary to screw said capsule to said threaded neck.
En outre, la capsule (1) selon l'invention peut comprendre des moyens pour assurer une ou plusieurs des fonctions complémentaires suivantes : - indication de première ouverture, avec une ligne d'affaiblissement,In addition, the capsule (1) according to the invention can comprise means for ensuring one or more of the following complementary functions: - indication of first opening, with a weakening line,
- ouverture facile, avec une languette d'ouverture,- easy opening, with an opening tab,
- irremplissabilité, avec un dispositif ad hoc, amovible ou pré-assemblé dans l'insert à l'emplacement du joint, à introduire dans le goulot lors du capsulage, le dispositif irremplissable étant dit « in bore », - anti-coulure, avec un verseur anti-goutte amovible ou pré-assemblé dans l'insert à l'emplacement du joint, à introduire dans le goulot lors du capsulage. Un autre objet de l'invention est un procédé de fabrication de capsules (1) selon l'invention. Dans ce procédé : a) on approvisionne des ébauches de capsule (2), b) on forme par moulage lesdits inserts (3), c) on assemble les inserts (3) dans les ébauches (2) pour former lesdites capsules (1), typiquement en utilisant une couche de hot-melt. d) on assemble, typiquement avec ledit insert, d'autres éléments éventuellement présents dans la capsule tels qu'un joint rapporté (4), un dispositif d'irremplissabilité ou un dispositif anti-coulure.- non-refillable, with an ad hoc device, removable or pre-assembled in the insert at the location of the joint, to be introduced into the neck during capping, the non-refillable device being said to be "in bore", - anti-sagging, with a removable or pre-assembled anti-drip pourer in the insert at the location of the seal, to be introduced into the neck during capping. Another object of the invention is a method of manufacturing capsules (1) according to the invention. In this process: a) we supply capsule blanks (2), b) we mold said inserts (3), c) we insert the inserts (3) in the blanks (2) to form said capsules (1) , typically using a layer of hot melt. d) assembling, typically with said insert, other elements possibly present in the capsule such as an attached seal (4), a filling device or an anti-sagging device.
De préférence, on utilise un mandrin à noyau expansible, de manière à pouvoir l'extraire du moule sans dévissage.Preferably, a mandrel with an expandable core is used, so that it can be extracted from the mold without unscrewing.
Les ébauches de capsules peuvent être formées par emboutissage ou par roulage et soudure latérale de matériaux en bande ou en feuille d'épaisseur et de structure requise.The blanks for capsules can be formed by stamping or by rolling and lateral welding of strip or sheet materials of required thickness and structure.
EXEMPLES DE REALISATIONEXAMPLES OF REALIZATION
On a fabriqué des capsules selon les figures 1 à 5. On a utilisé pour former les inserts (3) le moulage par injection d'un mélange de PEBD et de PEHD 50/50 en poids.Capsules were produced according to FIGS. 1 to 5. The injection molding (3) was used for injection molding of a mixture of LDPE and HDPE 50/50 by weight.
On a également moulé des inserts en copolymère de PP et en PET, ainsi qu'en PP chargé à 40% en volume avec du talc, comme matière thermoplastique de moulage.Inserts have also been molded from PP copolymer and PET, as well as PP loaded at 40% by volume with talc, as a thermoplastic molding material.
On a réussi à fabriquer des inserts (3) selon l'invention avec des équipements standards, sans avoir à dévisser le mandrin central du moule, mais on a observé que la production était de qualité plus régulière en utilisant un mandrin expansible de manière à éviter tout risque d'endommagement du filet (32) intérieur de l'insert lorsqu'on retire l'insert (3) du moule.We managed to manufacture inserts (3) according to the invention with standard equipment, without having to unscrew the central mandrel of the mold, but it was observed that the production was of more regular quality by using an expandable mandrel so as to avoid any risk of damage to the thread (32) inside the insert when the insert (3) is removed from the mold.
Tous les inserts (3) présentaient une jupe (31) dont les dimensions sont portées sur la figure 2. On a utilisé comme ébauche (2) une ébauche en alliage d'aluminium de 0,21 mm d'épaisseur et de 60 mm de hauteur.All the inserts (3) had a skirt (31) whose dimensions are shown in FIG. 2. A blank made of aluminum alloy 0.21 mm thick and 60 mm high was used as the blank (2).
On a utilisé un adhésif de type hot-melt pour fixer les inserts aux ébauches. On a utilisé un joint rapporté (4) standard du commerce. On a assemblé sur ligne les différents éléments de la manière suivante :Hot-melt type adhesive was used to attach the inserts to the blanks. A standard commercial seal (4) was used. The various elements were assembled on line as follows:
- on a introduit un adhésif hot-melt sur la jupe (21) des ébauches (2) en aluminium,- a hot-melt adhesive was introduced on the skirt (21) of the aluminum blanks (2),
- on a fixé ensuite l'insert (3) dans l'ébauche (2),- the insert (3) was then fixed in the blank (2),
- on a introduit ensuite, le cas échéant, le joint rapporté (4).- Then introduced, if necessary, the attached gasket (4).
Les essais effectués sur bouteilles à goulot ou bague de verrerie (5) standard ont donné entière satisfaction.Tests carried out on standard neck bottles or glassware rings (5) were entirely satisfactory.
De manière globale, la capsule (1) selon l'invention présente un double avantage, puisqu'elle est en elle-même plus économique qu'une capsule standard, et puisqu'elle est utilisable sur des bouteilles standard. Overall, the capsule (1) according to the invention has a double advantage, since it is in itself more economical than a standard capsule, and since it can be used on standard bottles.
LISTE DES REPERES DES FIGURESLIST OF FIGURES
Capsule de bouchage 1Cap 1
Ebauche de capsule 2Capsule blank 2
Tête 20 Jupe 21Head 20 Skirt 21
Insert plastique 3Plastic insert 3
Tête 30Head 30
Jupe filetée 31Threaded skirt 31
Filet 32 Fond de filet 320Net 32 Net bottom 320
Sommet de filet 321Net top 321
Lèvre d'étanchéité 33Sealing lip 33
Nervure de maintien 34Support rib 34
Obturateur 35 Joint rapporté 4Plug 35 Joint seal 4
Goulot de bouteille 5Bottle neck 5
Filet de la bague 50Ring thread 50
Contre-bague 51Counter ring 51
Dispositif anti-gouttes 6 Ailettes de fixation 60Anti-drip device 6 Fixing fins 60
Dispositif d'irremplissabilité 7Filling device 7
Bille 70Ball 70
Membrane supérieure 71Upper membrane 71
Lèvre inférieure 72 Lower lip 72

Claims

REVENDICATIONS
1. Capsule de bouchage (1) d'un récipient, typiquement d'une bouteille dotée d'un goulot fileté, comprenant une ébauche de capsule (2), typiquement dotée d'une tête (20) et d'une jupe (21), et un insert (3) en matière plastique à jupe (31) filetée fixé à ladite ébauche (2), caractérisée en ce que ladite jupe (31) filetée comprend un filet intérieur (32) dont le fond (320) présente une épaisseur allant de 0,40 mm à 0,150 mm.1. closure cap (1) of a container, typically of a bottle provided with a threaded neck, comprising a capsule blank (2), typically provided with a head (20) and a skirt (21) ), and a plastic insert (3) with a threaded skirt (31) fixed to said blank (2), characterized in that said threaded skirt (31) comprises an internal thread (32), the bottom (320) of which has a thickness ranging from 0.40 mm to 0.150 mm.
2. Capsule selon la revendication 1 dans laquelle ladite épaisseur va de 0,25 mm à 0,20 mm.2. Capsule according to claim 1 wherein said thickness ranges from 0.25 mm to 0.20 mm.
3. Capsule selon une quelconque des revendications 1 à 2 dans laquelle le rapport entre l'épaisseur du filet (32) à son sommet (321) et à son fond (320) est compris entre 2 et 10.3. Capsule according to any one of claims 1 to 2 in which the ratio between the thickness of the thread (32) at its top (321) and at its bottom (320) is between 2 and 10.
4. Capsule selon une quelconque des revendications 1 à 3 dans laquelle la hauteur de jupe (31) dudit insert (3) va de 10 mm à 20 mm.4. Capsule according to any one of claims 1 to 3 wherein the skirt height (31) of said insert (3) is from 10 mm to 20 mm.
5. Capsule selon la revendication 4 dans laquelle ledit insert (3) présente une hauteur de jupe (31) comprise entre 12 et 14 mm, l'épaisseur du fond (320) de filet (32) de la jupe dudit insert étant comprise entre 0,20 et 0,30 mm, et un poids typiquement compris entre 0,8 et 1,5 g.5. Capsule according to claim 4 wherein said insert (3) has a skirt height (31) between 12 and 14 mm, the thickness of the bottom (320) of net (32) of the skirt of said insert being between 0.20 and 0.30 mm, and a weight typically between 0.8 and 1.5 g.
6. Capsule selon une quelconque des revendications 1 à 5 dans laquelle la jupe (31) dudit insert (3) est fixée à la jupe (21) de ladite ébauche (2) par collage, typiquement grâce à une couche adhésive, ou par un emmanchement à force, ou par thermoscellage.6. Capsule according to any one of claims 1 to 5 wherein the skirt (31) of said insert (3) is fixed to the skirt (21) of said blank (2) by gluing, typically by means of an adhesive layer, or by a press fitting, or by heat sealing.
7. Capsule selon une quelconque des revendications 1 à 6 dans laquelle ledit insert (3) comprend une tête (30) typiquement dotée d'une lèvre intérieure (33) assurant l'étanchéité du bouchage. 7. Capsule according to any one of claims 1 to 6 wherein said insert (3) comprises a head (30) typically provided with an inner lip (33) ensuring the sealing of the closure.
8. Capsule selon une quelconque des revendications 1 à 6 dans laquelle un joint rapporté (4) assure l'étanchéité du bouchage.8. Capsule according to any one of claims 1 to 6 wherein an attached seal (4) seals the closure.
9. Capsule selon la revendication 8 dans laquelle ledit insert (3) est constitué par une jupe filetée (31).9. Capsule according to claim 8 wherein said insert (3) is constituted by a threaded skirt (31).
10. Capsule selon la revendication 6 dans laquelle ledit collage est obtenu soit en utilisant une couche adhésive assurant la liaison entre ledit insert (3) et ladite ébauche (2), typiquement une couche de hot-melt, soit en utilisant une ébauche (2) présentant une surface intérieure apte à adhérer au dit insert.10. Capsule according to claim 6 wherein said bonding is obtained either by using an adhesive layer ensuring the connection between said insert (3) and said blank (2), typically a layer of hot melt, or by using a blank (2 ) having an inner surface capable of adhering to said insert.
11. Capsule selon une quelconque des revendications 1 à 10 dans laquelle ladite ébauche (2) est choisie parmi les ébauches métalliques, typiquement en aluminium, les ébauches métalloplastiques en matériau multicouche, ébauches formées par emboutissage ou par roulage du matériau correspondant en bande, d'épaisseur typiquement comprise entre 100 et 300 μm.11. Capsule according to any one of claims 1 to 10 wherein said blank (2) is chosen from metal blanks, typically aluminum, metalloplastic blanks of multilayer material, blanks formed by stamping or by rolling of the corresponding material in strip, d thickness typically between 100 and 300 μm.
12. Capsule selon une quelconque des revendications 1 à 11 dans laquelle ladite ébauche (2) est constituée par une jupe (21).12. Capsule according to any one of claims 1 to 11 wherein said blank (2) is constituted by a skirt (21).
13. Capsule selon une quelconque des revendications 1 à 12 dans laquelle ledit insert (3) est formé d'une matière plastique qui est à la fois moulable par injection, apte au contact alimentaire, et qui présente à 25° C des caractéristiques mécaniques, et notamment une dureté, au moins égales à celle du PE.13. Capsule according to any one of claims 1 to 12 in which said insert (3) is formed from a plastic material which is both injection moldable, suitable for food contact, and which has mechanical characteristics at 25 ° C, and in particular a hardness, at least equal to that of PE.
14. Capsule selon la revendication 13 dans laquelle ladite matière plastique est une polyoléfine comprenant une charge minérale destinée à augmenter les caractéristiques mécaniques de ladite matière plastique.14. Capsule according to claim 13 wherein said plastic material is a polyolefin comprising an inorganic filler intended to increase the mechanical characteristics of said plastic material.
15. Capsule selon la revendication 14 dans laquelle la teneur en poids % de ladite charge minérale dans ladite matière plastique va de 5 à 50 %. 15. Capsule according to claim 14 wherein the content by weight% of said mineral filler in said plastic material ranges from 5 to 50%.
16. Capsule selon la revendication 15 dans laquelle ladite matière plastique est du PP et ladite teneur en poids est comprise entre 35 et 45%.16. Capsule according to claim 15 wherein said plastic material is PP and said content by weight is between 35 and 45%.
17. Capsule selon la revendication 16 dans laquelle ladite charge est du talc.17. The capsule of claim 16 wherein said filler is talc.
18. Capsule selon une quelconque des revendications 1 à 17 dans laquelle ladite jupe filetée (31) dudit insert, tout comme ledit filet (32), est discontinue dans le plan axial, de manière à ce que la fixation de ladite capsule audit goulot fileté, opération dite de capsulage, puisse être réalisée par simple pression axiale, sans qu'il soit nécessaire de visser ladite capsule audit goulot fileté.18. Capsule according to any one of claims 1 to 17 in which said threaded skirt (31) of said insert, like said thread (32), is discontinuous in the axial plane, so that the fixing of said capsule to said threaded neck , a so-called capping operation, can be carried out by simple axial pressure, without it being necessary to screw said capsule to said threaded neck.
19. Capsule selon une quelconque des revendications 1 à 18 comprenant des moyens pour assurer une ou plusieurs des fonctions complémentaires suivantes : - indication de première ouverture, avec une ligne d'affaiblissement19. Capsule according to any one of claims 1 to 18 comprising means for ensuring one or more of the following additional functions: - indication of first opening, with a weakening line
- ouverture facile, avec une languette d'ouverture- easy opening, with an opening tab
- irremplissabilité, avec un dispositif ad hoc, amovible ou pré-assemblé à la capsule, à introduire dans le goulot lors du capsulage,- non-refillable, with an ad hoc device, removable or pre-assembled with the capsule, to be introduced into the neck during capping,
- anti-coulure, avec un verseur anti-gouttes, amovible ou pré-assemblé à la capsule, à introduire dans le goulot lors du capsulage.- anti-sag, with an anti-drip pourer, removable or pre-assembled with the capsule, to be introduced into the neck during capping.
20. Procédé de fabrication d'une capsule selon une quelconque des revendications 1 à 19 dans lequel : a) on approvisionne des ébauches de capsule (2), b) on forme par moulage lesdits inserts (3) en matière plastique, c) on assemble les inserts (3) dans les ébauches (2) pour former lesdites capsules (1), typiquement en utilisant une couche de hot-melt. d) on assemble, typiquement avec ledit insert, d'autres éléments éventuellement présents dans la capsule tels qu'un joint rapporté (4), un dispositif d'irremplissabilité ou un dispositif anti-coulure. 20. A method of manufacturing a capsule according to any one of claims 1 to 19 wherein: a) it supplies the capsule blanks (2), b) said inserts (3) are formed by plastic molding, c) assembles the inserts (3) in the blanks (2) to form said capsules (1), typically using a layer of hot melt. d) assembling, typically with said insert, other elements possibly present in the capsule such as an attached seal (4), a filling device or an anti-sagging device.
21. Procédé selon la revendication 20 dans lequel, pour le moulage de l'insert, on utilise un mandrin à noyau expansible, de manière à pouvoir l'extraire du moule sans dévissage. 21. The method of claim 20 wherein, for molding the insert, an expanding core mandrel is used, so that it can be extracted from the mold without unscrewing.
EP01903856A 2000-01-13 2001-01-03 Closure cap for standard glass ring Expired - Lifetime EP1254059B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0000397 2000-01-13
FR0000397A FR2803827B1 (en) 2000-01-13 2000-01-13 CAPPING CAP FOR STANDARD GLASS RING
PCT/FR2001/000011 WO2001051381A2 (en) 2000-01-13 2001-01-03 Closure cap for standard glass ring

Publications (2)

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EP1254059A2 true EP1254059A2 (en) 2002-11-06
EP1254059B1 EP1254059B1 (en) 2004-04-07

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EP01903856A Expired - Lifetime EP1254059B1 (en) 2000-01-13 2001-01-03 Closure cap for standard glass ring

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EP (1) EP1254059B1 (en)
JP (1) JP2003519606A (en)
AR (1) AR029789A1 (en)
AT (1) ATE263718T1 (en)
AU (1) AU774401B2 (en)
BR (1) BR0107610A (en)
CA (1) CA2396909C (en)
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ES (1) ES2219498T3 (en)
FR (1) FR2803827B1 (en)
HU (1) HUP0203644A3 (en)
IL (1) IL150603A0 (en)
MX (1) MXPA02006836A (en)
NO (1) NO20023351L (en)
NZ (1) NZ520096A (en)
PL (1) PL204363B1 (en)
PT (1) PT1254059E (en)
RU (1) RU2262474C2 (en)
SK (1) SK10192002A3 (en)
WO (1) WO2001051381A2 (en)
YU (1) YU53902A (en)
ZA (1) ZA200205353B (en)

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EP2522591A1 (en) 2011-05-09 2012-11-14 Amcor Flexibles Capsules France Screw capsule
EP2527266A1 (en) 2011-05-26 2012-11-28 Amcor Flexibles Capsules France Multi-part capsule with a seal disk
ITTO20111062A1 (en) * 2011-11-18 2013-05-19 Astro S R L CLOSING FOR WINE OR LIQUOR BOTTLES, OF THE TYPE TO MAKE AN EFFECTIVE BREAKDOWN
EP3476761A1 (en) 2017-10-24 2019-05-01 Ramondin Capsulas, S.A. Capsule for bottles

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ES2320510B1 (en) * 2006-12-12 2010-03-04 Compañia De Tapones Irrellenables, S.A. PLUG FOR CONTAINERS AND CLOSURE PROCEDURE.
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US10034793B2 (en) * 2014-06-16 2018-07-31 Sarasota Medical Products, Inc. Coupling systems including interlocking male and female members
EP3878347B1 (en) * 2016-04-01 2024-06-05 United States Endoscopy Group, Inc. Water bottle cap assemblies for an endoscopic device
RU174256U1 (en) * 2016-06-16 2017-10-09 Сергей Вильямович Иоффе DRINK BOTTLE COVER
RU200526U1 (en) * 2019-11-29 2020-10-28 Производственное унитарное предприятие "АЛКОПАК" BOTTLE SEALING CAP
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2522591A1 (en) 2011-05-09 2012-11-14 Amcor Flexibles Capsules France Screw capsule
WO2012152404A1 (en) 2011-05-09 2012-11-15 Amcor Flexibles Capsules France Screw cap closure
EP2527266A1 (en) 2011-05-26 2012-11-28 Amcor Flexibles Capsules France Multi-part capsule with a seal disk
ITTO20111062A1 (en) * 2011-11-18 2013-05-19 Astro S R L CLOSING FOR WINE OR LIQUOR BOTTLES, OF THE TYPE TO MAKE AN EFFECTIVE BREAKDOWN
EP2594504A1 (en) * 2011-11-18 2013-05-22 Astro S.r.l. Closure for bottles of wine or liquor, of the type able to clearly show a tamper
EP3476761A1 (en) 2017-10-24 2019-05-01 Ramondin Capsulas, S.A. Capsule for bottles

Also Published As

Publication number Publication date
JP2003519606A (en) 2003-06-24
DE60102670T2 (en) 2005-04-14
BR0107610A (en) 2002-11-19
RU2262474C2 (en) 2005-10-20
PL204363B1 (en) 2010-01-29
FR2803827A1 (en) 2001-07-20
HUP0203644A2 (en) 2003-03-28
AU774401B2 (en) 2004-06-24
NZ520096A (en) 2004-12-24
US20030021919A1 (en) 2003-01-30
NO20023351D0 (en) 2002-07-11
YU53902A (en) 2003-10-31
HUP0203644A3 (en) 2003-04-28
EP1254059B1 (en) 2004-04-07
ZA200205353B (en) 2003-07-04
AU3182701A (en) 2001-07-24
US7124905B2 (en) 2006-10-24
RU2002121638A (en) 2004-03-20
NO20023351L (en) 2002-09-04
MXPA02006836A (en) 2003-01-28
SK10192002A3 (en) 2002-12-03
AR029789A1 (en) 2003-07-16
WO2001051381A2 (en) 2001-07-19
DE60102670D1 (en) 2004-05-13
FR2803827B1 (en) 2002-03-08
PT1254059E (en) 2004-09-30
ES2219498T3 (en) 2004-12-01
ATE263718T1 (en) 2004-04-15
CA2396909C (en) 2009-09-08
WO2001051381A3 (en) 2002-02-14
IL150603A0 (en) 2003-02-12
CA2396909A1 (en) 2001-07-19
PL356555A1 (en) 2004-06-28

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