EP3724092B1 - Bottle in particular for beverages, in particular for alcoholic beverages, or for cosmetic products or fragrances - Google Patents

Bottle in particular for beverages, in particular for alcoholic beverages, or for cosmetic products or fragrances Download PDF

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Publication number
EP3724092B1
EP3724092B1 EP18833932.9A EP18833932A EP3724092B1 EP 3724092 B1 EP3724092 B1 EP 3724092B1 EP 18833932 A EP18833932 A EP 18833932A EP 3724092 B1 EP3724092 B1 EP 3724092B1
Authority
EP
European Patent Office
Prior art keywords
shell
bottle
fibres
braid
neck
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.)
Active
Application number
EP18833932.9A
Other languages
German (de)
French (fr)
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EP3724092A1 (en
Inventor
James DE GAVELLE DE ROANY
Séverine LAURENT
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Green Gen Technologies SAS
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Green Gen Technologies SAS
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Publication date
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Priority to PL18833932T priority Critical patent/PL3724092T3/en
Publication of EP3724092A1 publication Critical patent/EP3724092A1/en
Application granted granted Critical
Publication of EP3724092B1 publication Critical patent/EP3724092B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0885—Rigid shells for receiving the bottle or part of it
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-threads
    • 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
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062—Flexible containers disposed within polygonal containers formed by folding a carton blank

Definitions

  • the subject of the present invention is a bottle, in particular for beverages, in particular for alcoholic beverages or cosmetic products or perfumes comprising, on the one hand, a rigid outer shell ensuring the mechanical strength of the bottle, comprising a shell body extending by a neck as well as a lower cover and having a uniform appearance over the entire shell body and the neck covering at least 90% of their surface, on the other by an internal container intended to come into contact with the beverage or cosmetic product.
  • a bottle or flask covering shell is known according to the document FR 2 549 009 .
  • This shell makes it possible to decorate the bottle without having to decorate it directly in order to avoid, for example, annealing of the bottle, which would be done at high temperature.
  • This shell consists of a body having the shape of the body of the bottle with a neck. If the bottom is necessary, it is added and welded to the body of the hull. To enable the bottle to be inserted into the shell and pass the neck, the neck of the shell is split over a certain length on two sides of the shell. The two slots are supposed to close elastically after the passage of the neck. It is also planned to hide these two slots once the bottle is in place, to improve the aesthetics of the shell.
  • the combination of the shell to the bottle is done for a bottle, generally full because the empty bottle, dressed in the shell could not circulate in a casing line if only because of its size.
  • This assembly uniting a shell to a bottle has many disadvantages such as the complexity of manufacture, the difficulty of assembling the bottle to the shell and the time necessary especially since this assembly is complex to achieve by a machine and the size of this combination relative to a bottle allows this shell to be applied only to bottles already filled.
  • Another drawback is the weight of the assembly, which is that of the bottle plus that of the shell.
  • the object of the present invention is to produce a bottle having the advantages of the decorative possibilities of a bottle with a covering shell without having the disadvantages of manufacture and use of the bottle + shell combination and in particular to reduce the weight of the bottle.
  • This bottle may have any conventional or other shape without departing from the scope of the invention.
  • Such a bottle may, for example, contain beer, still or sparkling wines, or spirit drinks with a high alcohol content of up to 60% such as whisky, cognac, Armagnac, rum, gin, vodka, juniper,...
  • Such beverages are traditionally packaged in glass bottles, the aesthetics of which is often questionable, which have the disadvantage of being heavy and mechanically weak and the production of which also requires a very large amount of energy with the corollary of a very unfavorable carbon footprint.
  • the rigid shell comprises a shell body extending by a neck provided with a neck as well as a lower cover and is equipped with a cap made of a rigid material fitted onto the neck, fixed thereto. and comprising an external annular part as well as an internal annular part threaded inside the neck.
  • the container intended to come into contact with the drink is fixed to the internal annular part of this cap.
  • the shell is made of a cylindrical braid of vegetable fibers whose burning temperature is greater than 140°C, having a uniform appearance over the entire body of the shell and the neck and covering at least 90% of their surface.
  • This cylindrical braid which is preferably obtained by braiding a fiber on a mandrel, is inserted into an impregnation matrix made of a thermoplastic resin whose melting point is less than or equal to 190°C.
  • the container intended to come into contact with the drink is a polyethylene terephthalate (PET) container of specific shape fixed to the lower part of the internal annular part of the cap.
  • PET polyethylene terephthalate
  • the bottle can, by way of example, be obtained by an injection blow molding process from three elements previously manufactured by injection, namely a cap, a lower lid and a matrix impregnation having the shape of the bottle, as well as a cylindrical braid of plant fibers also having the shape of the bottle and a commercial PET container.
  • the cylindrical braid of plant fibers is positioned on an inflatable bladder, in particular made of silicone, and the impregnation matrix is fitted onto the outer face of this braid, then the assembly thus constituted is inserted in a mold making it possible to obtain the shell body.
  • the mold thus equipped is then heated and the inflatable bladder is pressurized so that the thermoplastic resin constituting the matrix impregnates the braid with plant fibres.
  • the cap After cooling and demolding of the shell body, the cap is fixed on the neck thereof, the PET container is inserted at its internal part and fixed to the cap, then the manufacture of the shell body is completed by fixing the lower cover .
  • the container intended to come into contact with the drink is a soft and flexible bag, in particular made of polyethylene (PE), fixed to the lower part of the internal annular part of the cap during the manufacture of the latter and inflated in particular with compressed air after manufacture of the shell body, fixing of the cap on the latter and preferably fixing of the lower cover.
  • PE polyethylene
  • the soft and flexible bag can have a monolayer or multilayer structure.
  • the shell body can also be manufactured by an injection blow molding process of the aforementioned type.
  • the constituent thermoplastic resin of the impregnation matrix is chosen from the following resins: PE, polypropylene (PP), PET and polylactic acid (PLA).
  • thermoplastic resin it is essential to choose this thermoplastic resin so that it has a melting temperature lower than the burning temperature of the plant fibers constituting the cylindrical braid.
  • polypropylene is particularly advantageous because of its inexpensive nature and its ease of forming, but has, as a general rule, the disadvantage of not being biodegradable and of not being able to be manufactured without synthetic products. , exclusively from biomass.
  • thermoplastic resin constitutes less than 10% of the weight of the shell.
  • Polylactic acids which are more expensive than polypropylene, have the advantage of being biodegradable under certain conditions.
  • bottles in accordance with the invention whose impregnation matrix consists of PLA can be degraded by grinding followed by a stay in an industrial fermenter or a composter.
  • the shell of the bottle has a diameter varying between about 30 mm and about 90 mm, and the braiding angle of the fiber constituting the cylindrical braid varies between 25° and 65° along this shell so as to obtain a uniform appearance over the entire surface of the shell body and the neck.
  • the braiding angle of the fiber depends on the number of filaments and the final diameter to be obtained and that the variations in the diameter of the braid and the orientation of the fibers are a function of the braiding speed, therefore of chuck feed rate.
  • the cylindrical braid of plant fibers is a braid of hemp fibers, bamboo fibers, rice fibers, or flax fibers.
  • Such a braid can advantageously consist of a braid of flax fibers having about 0.3 mm in diameter and comprising 90 to 100 filaments, in particular 96 filaments each containing 5 fibers.
  • a braid of this type has a specific weight of less than 1400 kg/m 3 and in the case of a bottle of conventional capacity, a weight of the order of 35 grams and is therefore particularly light.

Description

La présente invention a pour objet une bouteille, en particulier pour boissons, notamment pour boissons alcoolisées ou produits cosmétiques ou parfums comportant d'une part, une coque externe rigide assurant la résistance mécanique de la bouteille, comportant un corps de coque se prolongeant par un col ainsi qu'un couvercle inférieur et ayant un aspect uniforme sur la totalité du corps de coque et du col couvrant au moins 90% de leur surface, d'autre par un conteneur interne destiné à venir en contact avec la boisson ou produit cosmétique.The subject of the present invention is a bottle, in particular for beverages, in particular for alcoholic beverages or cosmetic products or perfumes comprising, on the one hand, a rigid outer shell ensuring the mechanical strength of the bottle, comprising a shell body extending by a neck as well as a lower cover and having a uniform appearance over the entire shell body and the neck covering at least 90% of their surface, on the other by an internal container intended to come into contact with the beverage or cosmetic product.

ETAT DE LA TECHNIQUESTATE OF THE ART

On connaît une coque d'habillage de bouteille ou de flacon selon le document FR 2 549 009 . Cette coque permet de décorer la bouteille sans avoir à la décorer directement pour éviter ainsi, par exemple, la recuisson de la bouteille, ce qui se ferait à température élevée. Cette coque se compose d'un corps ayant la forme du corps de la bouteille avec un col. Si le fond est nécessaire, il est rapporté et soudé au corps de la coque. Pour permettre d'engager la bouteille dans la coque et faire passer le goulot, le col de la coque est fendu sur une certaine longueur sur deux côtés de la coque. Les deux fentes sont sensées se refermer élastiquement après le passage du goulot. Il est également prévu de cacher ces deux fentes une fois la bouteille mise en place, pour améliorer l'esthétique de la coque.A bottle or flask covering shell is known according to the document FR 2 549 009 . This shell makes it possible to decorate the bottle without having to decorate it directly in order to avoid, for example, annealing of the bottle, which would be done at high temperature. This shell consists of a body having the shape of the body of the bottle with a neck. If the bottom is necessary, it is added and welded to the body of the hull. To enable the bottle to be inserted into the shell and pass the neck, the neck of the shell is split over a certain length on two sides of the shell. The two slots are supposed to close elastically after the passage of the neck. It is also planned to hide these two slots once the bottle is in place, to improve the aesthetics of the shell.

La combinaison de la coque à la bouteille se fait pour une bouteille, en général pleine car la bouteille vide, habillée de la coque ne pourrait circuler dans une ligne d'emboîtage ne serait-ce qu'en raison de son encombrement.The combination of the shell to the bottle is done for a bottle, generally full because the empty bottle, dressed in the shell could not circulate in a casing line if only because of its size.

Cet ensemble réunissant une coque à une bouteille présente de nombreux inconvénients tels que la complexité de la fabrication, la difficulté de l'assemblage de la bouteille à la coque et le temps nécessaire d'autant plus que cet assemblage est complexe à réaliser par une machine et l'encombrement de cette combinaison par rapport à une bouteille ne permet d'appliquer cette coque que sur des bouteilles déjà remplies. Un autre inconvénient est le poids de l'ensemble qui est celui de la bouteille augmenté de celui de la coque.This assembly uniting a shell to a bottle has many disadvantages such as the complexity of manufacture, the difficulty of assembling the bottle to the shell and the time necessary especially since this assembly is complex to achieve by a machine and the size of this combination relative to a bottle allows this shell to be applied only to bottles already filled. Another drawback is the weight of the assembly, which is that of the bottle plus that of the shell.

BUT DE L'INVENTIONPURPOSE OF THE INVENTION

La présente invention a pour but de réaliser une bouteille ayant les avantages des possibilités décoratives d'une bouteille par une coque d'habillage sans présenter les inconvénients de fabrication et d'utilisation de la combinaison bouteille + coque et notamment pour réduire le poids de la bouteille.The object of the present invention is to produce a bottle having the advantages of the decorative possibilities of a bottle with a covering shell without having the disadvantages of manufacture and use of the bottle + shell combination and in particular to reduce the weight of the bottle.

EXPOSE ET AVANTAGES DE L'INVENTIONDESCRIPTION AND ADVANTAGES OF THE INVENTION

A cet effet, l'invention a pour objet une bouteille pour boissons et en particulier pour boissons alcoolisées ou pour produits cosmétiques ou parfums, qui comporte : d'une part une coque externe rigide assurant la résistance mécanique de la bouteille, comportant un corps de coque se prolongeant par un col muni d'un goulot ainsi qu'un couvercle inférieur, ayant un aspect uniforme sur la totalité du corps de coque et du col, couvrant au moins 90% de leur surface, et - d'autre part, un conteneur interne destiné à venir en contact avec la boisson, le produit cosmétique ou le parfum, bouteille caractérisée en ce que

  • la coque ayant un poids inférieur à 0,5g/cm2 est équipée d'un capuchon en un matériau rigide emmanché sur le goulot, fixé à celui-ci et comportant une partie annulaire externe ainsi qu'une partie annulaire interne enfilée à l'intérieur du goulot, cette coque étant réalisée en une tresse cylindrique de fibres végétales dont la température de brulage est supérieure à 140°C, et insérée dans une matrice d'imprégnation en une résine thermoplastique dont la température de fusion est inférieure ou égale à 190°,
  • le conteneur interne est en un matériau thermoplastique, fixé à la partie annulaire interne du capuchon.
To this end, the subject of the invention is a bottle for beverages and in particular for alcoholic beverages or for cosmetic or perfume products, which comprises: on the one hand a rigid outer shell ensuring the mechanical strength of the bottle, comprising a body of shell extending by a neck provided with a neck as well as a lower cover, having a uniform appearance over the entire body of the shell and the neck, covering at least 90% of their surface, and - on the other hand, a internal container intended to come into contact with the drink, the cosmetic product or the perfume, bottle characterized in that
  • the shell having a weight of less than 0.5 g/cm2 is equipped with a cap made of a rigid material fitted onto the neck, fixed to the latter and comprising an external annular part as well as an internal annular part threaded inside of the neck, this shell being made of a cylindrical braid of plant fibers whose burning temperature is greater than 140°C, and inserted into an impregnation matrix in one thermoplastic resin whose melting point is less than or equal to 190°,
  • the internal container is made of a thermoplastic material, fixed to the internal annular part of the cap.

Cette bouteille peut avoir une forme quelconque classique ou autre sans pour cela sortir du cadre de l'invention.This bottle may have any conventional or other shape without departing from the scope of the invention.

Une telle bouteille peut, à titre d'exemple, renfermer de la bière, des vins tranquilles ou pétillants, ou encore des boissons spiritueuses ayant une forte teneur en alcool pouvant aller jusqu'à 60% tels que whisky, cognac, armagnac, rhum, gin, vodka, genièvre,...Such a bottle may, for example, contain beer, still or sparkling wines, or spirit drinks with a high alcohol content of up to 60% such as whisky, cognac, Armagnac, rum, gin, vodka, juniper,...

De telles boissons sont traditionnellement conditionnées dans des bouteilles en verre dont l'esthétique est souvent discutable, qui présentent l'inconvénient d'être lourdes et peu résistantes mécaniquement et dont la production nécessite en outre une quantité d'énergie très importante avec pour corollaire un bilan carbone très défavorable.Such beverages are traditionally packaged in glass bottles, the aesthetics of which is often questionable, which have the disadvantage of being heavy and mechanically weak and the production of which also requires a very large amount of energy with the corollary of a very unfavorable carbon footprint.

Pour remédier à ces inconvénients, on a eu l'idée, conformément à l'invention, de conditionner des boissons non plus dans des bouteilles en verre, mais dans des bouteilles particulières comportant d'une part, une coque externe rigide ayant un poids inférieur à 0,5 g/cm2 assurant la résistance mécanique de la bouteille, et d'autre part, un conteneur interne destiné à venir en contact avec la boisson réalisé en un matériau thermoplastique homologué par les Autorités pour le contact alimentaire.To remedy these drawbacks, the idea was had, in accordance with the invention, of packaging drinks no longer in glass bottles, but in special bottles comprising, on the one hand, a rigid outer shell having a lower weight at 0.5 g/cm 2 ensuring the mechanical strength of the bottle, and on the other hand, an internal container intended to come into contact with the drink made of a thermoplastic material approved by the Authorities for food contact.

Selon l'invention, la coque rigide comporte un corps de coque se prolongeant par un col muni d'un goulot ainsi qu'un couvercle inférieur et est équipée d'un capuchon en un matériau rigide emmanché sur le goulot, fixé à celui-ci et comportant une partie annulaire externe ainsi qu'une partie annulaire interne enfilée à l'intérieur du goulot.According to the invention, the rigid shell comprises a shell body extending by a neck provided with a neck as well as a lower cover and is equipped with a cap made of a rigid material fitted onto the neck, fixed thereto. and comprising an external annular part as well as an internal annular part threaded inside the neck.

Le conteneur destiné à venir en contact avec la boisson est fixé à la partie annulaire interne de ce capuchon.The container intended to come into contact with the drink is fixed to the internal annular part of this cap.

La coque est réalisée en une tresse cylindrique de fibres végétales dont la température de brûlage est supérieure à 140°C, ayant un aspect uniforme sur la totalité du corps de coque et du col et couvrant au moins 90% de leur surface.The shell is made of a cylindrical braid of vegetable fibers whose burning temperature is greater than 140°C, having a uniform appearance over the entire body of the shell and the neck and covering at least 90% of their surface.

Cette tresse cylindrique qui est, de préférence, obtenue par tressage d'une fibre sur un mandrin, est insérée dans une matrice d'imprégnation en une résine thermoplastique dont la température de fusion est inférieure ou égale à 190°C.This cylindrical braid which is preferably obtained by braiding a fiber on a mandrel, is inserted into an impregnation matrix made of a thermoplastic resin whose melting point is less than or equal to 190°C.

Selon une première variante de l'invention, le conteneur destiné à venir en contact avec la boisson est un conteneur en polyéthylène térephtalate (PET) de forme spécifique fixé à la partie inférieure de la partie annulaire interne du capuchon.According to a first variant of the invention, the container intended to come into contact with the drink is a polyethylene terephthalate (PET) container of specific shape fixed to the lower part of the internal annular part of the cap.

Conformément à cette première variante de l'invention, la bouteille peut, à titre d'exemple, être obtenue par un procédé d'injection soufflage à partir de trois éléments préalablement fabriqués par injection, à savoir un capuchon, un couvercle inférieur et une matrice d'imprégnation ayant la forme de la bouteille, ainsi que d'une tresse cylindrique de fibres végétales ayant, elle aussi, la forme de la bouteille et d'un conteneur en PET du commerce.In accordance with this first variant of the invention, the bottle can, by way of example, be obtained by an injection blow molding process from three elements previously manufactured by injection, namely a cap, a lower lid and a matrix impregnation having the shape of the bottle, as well as a cylindrical braid of plant fibers also having the shape of the bottle and a commercial PET container.

Lors de la mise en oeuvre de ce procédé, la tresse cylindrique de fibres végétales est positionnée sur une vessie gonflable notamment en silicone, et la matrice d'imprégnation est emmanchée sur la face externe de cette tresse, puis l'ensemble ainsi constitué est inséré dans un moule permettant d'obtenir le corps de coque.During the implementation of this method, the cylindrical braid of plant fibers is positioned on an inflatable bladder, in particular made of silicone, and the impregnation matrix is fitted onto the outer face of this braid, then the assembly thus constituted is inserted in a mold making it possible to obtain the shell body.

Le moule ainsi équipé est ensuite chauffé et la vessie gonflable est mise sous pression de façon que la résine thermoplastique constitutive de la matrice vienne imprégner la tresse de fibres végétales.The mold thus equipped is then heated and the inflatable bladder is pressurized so that the thermoplastic resin constituting the matrix impregnates the braid with plant fibres.

Après refroidissement et démoulage du corps de coque, le capuchon est fixé sur le col de celui-ci, le conteneur en PET est inséré à sa partie interne et fixé au capuchon, puis la fabrication du corps de coque est achevée par fixation du couvercle inférieur.After cooling and demolding of the shell body, the cap is fixed on the neck thereof, the PET container is inserted at its internal part and fixed to the cap, then the manufacture of the shell body is completed by fixing the lower cover .

Selon une seconde variante de l'invention, le conteneur destiné à venir en contact avec la boisson est une poche souple et flexible, notamment en polyéthylène (PE), fixée à la partie inférieure de la partie annulaire interne du capuchon lors de la fabrication de celui-ci et gonflée en particulier avec de l'air comprimé après fabrication du corps de coque, fixation du capuchon sur celui-ci et de préférence fixation du couvercle inférieur.According to a second variant of the invention, the container intended to come into contact with the drink is a soft and flexible bag, in particular made of polyethylene (PE), fixed to the lower part of the internal annular part of the cap during the manufacture of the latter and inflated in particular with compressed air after manufacture of the shell body, fixing of the cap on the latter and preferably fixing of the lower cover.

Il est à noter que, la poche souple et flexible peut avoir une structure monocouche ou multicouches.It should be noted that the soft and flexible bag can have a monolayer or multilayer structure.

Conformément à cette seconde variante de l'invention, le corps de coque peut également être fabriqué par un procédé d'injection soufflage du type susmentionné.In accordance with this second variant of the invention, the shell body can also be manufactured by an injection blow molding process of the aforementioned type.

Selon une autre caractéristique de l'invention, la résine thermoplastique constitutive de la matrice d'imprégnation est choisie parmi les résines suivantes : PE, polypropylène (PP), PET et acide polylactique (PLA).According to another characteristic of the invention, the constituent thermoplastic resin of the impregnation matrix is chosen from the following resins: PE, polypropylene (PP), PET and polylactic acid (PLA).

Il est essentiel de choisir cette résine thermoplastique de sorte qu'elle ait une température de fusion inférieure à la température de brûlage des fibres végétales constitutives de la tresse cylindrique.It is essential to choose this thermoplastic resin so that it has a melting temperature lower than the burning temperature of the plant fibers constituting the cylindrical braid.

Il est à noter que le polypropylène est particulièrement avantageux du fait de son caractère peu onéreux et de sa facilité de formage, mais présente, en règle générale, l'inconvénient de ne pas être biodégradable et de ne pas pouvoir être fabriqué sans produits de synthèse, exclusivement à partir de biomasse.It should be noted that polypropylene is particularly advantageous because of its inexpensive nature and its ease of forming, but has, as a general rule, the disadvantage of not being biodegradable and of not being able to be manufactured without synthetic products. , exclusively from biomass.

Cet inconvénient est toutefois pondéré par le fait que la résine thermoplastique constitue moins de 10% du poids de la coque.This disadvantage is however offset by the fact that the thermoplastic resin constitutes less than 10% of the weight of the shell.

Les acides polylactiques qui sont plus onéreux que le polypropylène présentent, quant à eux, l'avantage d'être biodégradables dans certaines conditions.Polylactic acids, which are more expensive than polypropylene, have the advantage of being biodegradable under certain conditions.

Ces acides sont plus précisément résistants à la dégradation dans des conditions normales de température et d'humidité, mais une température supérieure à 60°C en milieu fortement humide entraîne une dégradation de leurs chaînes polymères conduisant à la formation d'oligomères qui peuvent ensuite être dégradés en présence de microorganismes (enzymes ou bactéries).These acids are more precisely resistant to degradation under normal conditions of temperature and humidity, but a temperature above 60°C in a highly humid environment leads to a degradation of their polymer chains leading to the formation of oligomers which can then be degraded in the presence of microorganisms (enzymes or bacteria).

Par suite, des bouteilles conformes à l'invention dont la matrice d'imprégnation est constituée par du PLA peuvent être dégradées par un broyage suivi d'un séjour dans un fermenteur industriel ou un composteur.Consequently, bottles in accordance with the invention whose impregnation matrix consists of PLA can be degraded by grinding followed by a stay in an industrial fermenter or a composter.

Selon une autre caractéristique de l'invention, la coque de la bouteille a un diamètre variant entre environ 30 mm et environ 90 mm, et l'angle de tressage de la fibre constitutive de la tresse cylindrique varie entre 25° et 65° le long de cette coque de façon à obtenir un aspect uniforme sur la totalité de la surface du corps de coque et du col.According to another characteristic of the invention, the shell of the bottle has a diameter varying between about 30 mm and about 90 mm, and the braiding angle of the fiber constituting the cylindrical braid varies between 25° and 65° along this shell so as to obtain a uniform appearance over the entire surface of the shell body and the neck.

Il est à noter que l'angle de tressage de la fibre dépend du nombre de filaments et du diamètre final à obtenir et que les variations du diamètre de la tresse et de l'orientation des fibres sont fonction de la vitesse de tressage, donc de la vitesse d'avancement du mandrin.It should be noted that the braiding angle of the fiber depends on the number of filaments and the final diameter to be obtained and that the variations in the diameter of the braid and the orientation of the fibers are a function of the braiding speed, therefore of chuck feed rate.

Selon une autre caractéristique de l'invention, la tresse cylindrique de fibres végétales est une tresse de fibres de chanvre, de fibres de bambou, de fibres de riz, ou, de fibres de lin.According to another characteristic of the invention, the cylindrical braid of plant fibers is a braid of hemp fibers, bamboo fibers, rice fibers, or flax fibers.

Une telle tresse peut avantageusement être constituée par une tresse de fibres de lin ayant environ 0,3 mm de diamètre et comportant 90 à 100 filaments notamment 96 filaments renfermant chacun 5 fibres.Such a braid can advantageously consist of a braid of flax fibers having about 0.3 mm in diameter and comprising 90 to 100 filaments, in particular 96 filaments each containing 5 fibers.

Une tresse de ce type a un poids volumique inférieur à 1400 kg/m3 et dans le cas d'une bouteille de contenance classique, un poids de l'ordre de 35 grammes et est donc particulièrement légère.A braid of this type has a specific weight of less than 1400 kg/m 3 and in the case of a bottle of conventional capacity, a weight of the order of 35 grams and is therefore particularly light.

A titre d'exemple, les fibres d'une tresse cylindrique de fibres de lin constitutive d'une bouteille conforme à l'invention peuvent présenter les caractéristiques physiques suivantes, en traction pure et en compression flexion :

  • traction pure :
    • module d'élasticité parallèlement aux fibres : 61 GPa,
    • module d'élasticité perpendiculairement aux fibres : 6,4 GPA,
    • contrainte maximum parallèlement aux fibres : 580 MPA,
    • élongation avant rupture parallèlement aux fibres : 1%,
  • compression flexion :
    • module d'élasticité parallèlement aux fibres : 57 GPA,
    • module d'élasticité perpendiculairement aux fibres : 6,3 GPA,
    • contrainte maximum parallèlement aux fibres : 663 MPA,
By way of example, the fibers of a cylindrical braid of flax fibers constituting a bottle in accordance with the invention may have the following physical characteristics, in pure tension and in compression-flexion:
  • pure pull:
    • modulus of elasticity parallel to the fibres: 61 GPa,
    • modulus of elasticity perpendicular to the fibres: 6.4 GPA,
    • maximum stress parallel to the fibres: 580 MPA,
    • elongation before rupture parallel to the fibres: 1%,
  • compression bending:
    • modulus of elasticity parallel to the fibres: 57 GPA,
    • modulus of elasticity perpendicular to the fibres: 6.3 GPA,
    • maximum stress parallel to the fibres: 663 MPA,

Claims (7)

  1. Bottle for drinks and in particular for alcoholic drinks or for cosmetic or perfume products, which comprises:
    on the one hand, a rigid external shell which ensures the mechanical strength of the bottle and which comprises a shell body which is extended by a neck which is provided with a mouth and a lower cover, having a uniform appearance over the entire shell body and the neck, covering at least 90% of the surface thereof, and
    - on the other hand, an internal container which is intended to come into contact with the drink, the cosmetic product or the perfume, the bottle being characterised in that
    - the shell which has a weight less than 0.5 g/cm2 is provided with a cap which is made of a rigid material and which is fitted onto the mouth and fixed thereto and which comprises an external annular portion and an internal annular portion which is inserted inside the mouth, this shell being produced from a cylindrical braid of plant fibres whose burn temperature is greater than 140°C,
    - the shell is inserted into an impregnation matrix which is made from a thermoplastic resin whose melting temperature is less than or equal to 190°C,
    - the internal container is made of a thermoplastic material which is fixed to the internal annular portion of the cap.
  2. Bottle according to claim 1,
    characterised in that
    the cylindrical braid of plant fibres is a braid of linen fibres, hemp fibres, rice fibres or bamboo fibres.
  3. Bottle according to either claim 1 or claim 2,
    characterised in that
    the shell has a diameter which varies between approximately 30 mm and approximately 90 mm, and the braiding angle of the fibre which constitutes the cylindrical braid varies between 25° and 65° along this shell in order to obtain a uniform appearance over the entire surface of the shell body and the neck.
  4. Bottle according to claim 3,
    characterised in that
    the cylindrical braid of plant fibres is a braid of linen fibres having a diameter of approximately 0.3 mm and comprises from 90 to 100 filaments which each contain 5 fibres.
  5. Bottle according to any one of claims 1 to 4,
    characterised in that
    the thermoplastic resin which constitutes the impregnation matrix is selected from the following resins: PE, PP, PLA and PET.
  6. Bottle according to any one of claims 1 to 5,
    characterised in that
    the container which is intended to come into contact with the drink, the cosmetic product or the perfume is a container which is made of PET and which has a specific form and which is fixed to the lower portion of the internal annular portion of the cap.
  7. Bottle according to any one of claims 1 to 5,
    characterised in that
    the container which is intended to come into contact with the drink, the cosmetic product or the perfume is a pliable and flexible pocket, which is in particular made of PE and which is fixed to the lower portion of the internal annular portion of the cap and which is inflated in particular with compressed air.
EP18833932.9A 2017-12-15 2018-12-13 Bottle in particular for beverages, in particular for alcoholic beverages, or for cosmetic products or fragrances Active EP3724092B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18833932T PL3724092T3 (en) 2017-12-15 2018-12-13 Bottle in particular for beverages, in particular for alcoholic beverages, or for cosmetic products or fragrances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1762244A FR3075182B1 (en) 2017-12-15 2017-12-15 BOTTLE FOR BEVERAGES AND PARTICULARLY FOR ALCOHOLIC BEVERAGES
PCT/FR2018/053272 WO2019115961A1 (en) 2017-12-15 2018-12-13 Bottle in particular for beverages, in particular for alcoholic beverages, or for cosmetic products or fragrances

Publications (2)

Publication Number Publication Date
EP3724092A1 EP3724092A1 (en) 2020-10-21
EP3724092B1 true EP3724092B1 (en) 2022-02-09

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ID=61655909

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EP18833932.9A Active EP3724092B1 (en) 2017-12-15 2018-12-13 Bottle in particular for beverages, in particular for alcoholic beverages, or for cosmetic products or fragrances

Country Status (14)

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US (1) US11332280B2 (en)
EP (1) EP3724092B1 (en)
JP (1) JP7030363B2 (en)
CN (1) CN111465562B (en)
AU (1) AU2018382803B2 (en)
BR (1) BR112020011615B1 (en)
CA (1) CA3083725C (en)
CL (1) CL2020001533A1 (en)
ES (1) ES2912973T3 (en)
FR (1) FR3075182B1 (en)
NZ (1) NZ764727A (en)
PL (1) PL3724092T3 (en)
PT (1) PT3724092T (en)
WO (1) WO2019115961A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3116048A1 (en) * 2020-11-10 2022-05-13 Green Gen Technologies Bottle formed from natural fibers and process for making such a bottle

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Also Published As

Publication number Publication date
BR112020011615A2 (en) 2020-12-08
CL2020001533A1 (en) 2021-01-29
AU2018382803B2 (en) 2021-04-08
CA3083725C (en) 2022-07-12
BR112020011615B1 (en) 2024-03-12
CN111465562A (en) 2020-07-28
AU2018382803A1 (en) 2020-07-02
CA3083725A1 (en) 2019-06-20
US20210163180A1 (en) 2021-06-03
NZ764727A (en) 2022-04-29
FR3075182B1 (en) 2019-12-27
PL3724092T3 (en) 2022-06-20
ES2912973T3 (en) 2022-05-30
JP2021506698A (en) 2021-02-22
WO2019115961A1 (en) 2019-06-20
PT3724092T (en) 2022-06-15
JP7030363B2 (en) 2022-03-07
US11332280B2 (en) 2022-05-17
CN111465562B (en) 2021-09-21
FR3075182A1 (en) 2019-06-21
EP3724092A1 (en) 2020-10-21

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