EP3019416A1 - Device having a rigid container and a flexible cylindrical bag for packaging fluids and method for manufacturing same - Google Patents

Device having a rigid container and a flexible cylindrical bag for packaging fluids and method for manufacturing same

Info

Publication number
EP3019416A1
EP3019416A1 EP14742269.5A EP14742269A EP3019416A1 EP 3019416 A1 EP3019416 A1 EP 3019416A1 EP 14742269 A EP14742269 A EP 14742269A EP 3019416 A1 EP3019416 A1 EP 3019416A1
Authority
EP
European Patent Office
Prior art keywords
sheet
flange
inner face
film
cover sheet
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
EP14742269.5A
Other languages
German (de)
French (fr)
Other versions
EP3019416B1 (en
Inventor
Jean-Philippe Taberlet
Alain Guy
Patrice Puviland
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.)
Lablabo SA
Original Assignee
Lablabo SA
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 Lablabo SA filed Critical Lablabo SA
Publication of EP3019416A1 publication Critical patent/EP3019416A1/en
Application granted granted Critical
Publication of EP3019416B1 publication Critical patent/EP3019416B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body

Definitions

  • the invention relates to a device with a rigid external bottle and a flexible cylindrical internal pocket for the conditioning of fluids.
  • this device for packaging and dispensing a fluid product comprises a sealed flexible bag 1 placed in a rigid bottle 10, associated with a pump 13 or a valve and intended to be filled with the product to be packaged.
  • This pocket 1 comprises a cylindrical wall formed by at least one metal sheet or plastic wound in a cylinder whose edges are sealed to two flanges 3, 4, one of which forms the bottom of the pocket and the other 4 a fixing ring to the bottle and the pump or the valve.
  • Each flange 3, 4 comprises a solid disk or a ring having a raised edge 3A, 4A forming a lateral annular surface, to which is fixed the edge of the sheet of the cylindrical wall of the pocket 1.
  • the bag 1 filled with the product to be packaged is introduced into the bottle 10, a radial edge 4B of the upper ring 4 being fixed by snapping into a groove 11 formed in the inner wall of the bottle 10.
  • the pump 13 equipped with a pusher 14 and a nozzle 16 is sealingly mounted on the upper ring 4.
  • the cylindrical wall of the bag 1 consists of a multi-layer sheet, these layers being, from the outer layer to the inner layer, of polyethylene, terephthalate of polyethylene, in aluminum and polyethylene.
  • the two flanges 3, 4 are generally made of plastic material and preferably polyethylene.
  • barrier materials molded in a massive way, but such materials are relatively expensive.
  • the use of such barrier materials requires the use of the same barrier material or compatible material for the sheet forming the pocket, preferably by welding. This would result in a significant increase in the cost and complexity of manufacturing the overall device.
  • patent document EP 0 354 137 describes a device for packaging and dispensing a fluid product comprising a sealed flexible bag placed in a rigid bottle and associated with a pump or a valve, this pocket having a cylindrical wall constituted a sheet wound in a cylinder whose one edge is sealingly attached to a flange forming a fixing ring to the bottle and the pump or the valve.
  • This ring is made of a plastic material and its inner face may carry a barrier effect washer partially covering the inner face of the ring and this washer may be a metal-plastic complex comprising a metal film.
  • This washer is welded to the face of the ring by a large face and retained at its base by a small annular bead of plastic.
  • Such a washer does not form an effective barrier, because it does not cover the inner face of the ring under the bead of plastic holding its base.
  • the invention improves the barrier effect of such a cover layer and provides an easy manufacturing device and an arrangement that easily adapts to the current flanges made of plastic.
  • a device for packaging and dispensing a fluid product comprising a sealed flexible pouch placed in a rigid bottle and associated with a pump or a valve, this pouch having a cylindrical wall consisting of a wound sheet following a cylinder whose one edge is sealingly attached to a flange forming a fixing ring to the bottle and the pump or to the valve, this flange being made of a plastic material, the inner face of said flange carrying a covering sheet worn by the inner face of said flange, characterized in that the other edge of said sheet is sealingly attached to a second flange forming the bottom of the pocket, this second flange being made of a plastic material, and in that the internal face of said flanges carries a cover sheet completely covering the inner face of said flanges.
  • the metal film of the cover sheet of each flange provides a reliable barrier at the entire inner face of each flange in contact with the packaged product contained in the pocket.
  • said cover sheet comprises at least one film of the same plastic material as said flange and said metal film, its plastic film being turned towards the inner face of said flange.
  • the cover sheet is then a multilayer sheet comprising at least one plastic film and a metal film.
  • This plastic film being of the same plastic as the flange and facing the inner face of the flange, a welding attachment of the cover sheet and the flange can be performed particularly effectively.
  • said sheet of the cylindrical wall is a multilayer sheet comprising at least one inner plastic film and a metal film
  • said cover sheet comprises at least one film of the same plastic material as said inner film of said sheet of the cylindrical wall and said metal film, its plastic film being turned towards the inner face of said cylindrical wall.
  • the cover sheet is then a multilayer sheet comprising at least one plastic film and a metal film. Since the plastics material of the inner film of the multilayer film of the cylindrical wall is identical to that constituting the film of the covering layer turned towards the internal face of the said cylindrical wall, a welded connection between this wall and the coated flange can be realized. in a particularly effective way.
  • said metal film (s) is (are) aluminum.
  • said plastic is polyethylene
  • the flange comprising a solid disk or a ring having a raised edge forming a lateral annular surface, to which is fixed the edge of said sheet of the cylindrical wall, said cover sheet preferably also covers at least a portion of said lateral annular surface.
  • This embodiment provides a total barrier at the entire inner face of the flange in contact with the packaged product contained in the pocket.
  • said cover sheet is a multilayer sheet, its layers being made of polyethylene, polyethylene terephthalate, aluminum and polyethylene.
  • the invention also relates to a method of manufacturing such a device, characterized in that said cover sheet is overmolded on the inner face of said flanges by the labeling method in the mold commonly called "IML".
  • this process ensures a perfect positioning of the cover sheet and thus a perfect and complete overlap of the inner face of each flange.
  • said cover sheet is welded to the inner face of said sheet constituting the cylindrical wall.
  • Figure 1 is a vertical sectional view of a device according to the prior art and is already described above.
  • Figures 2 and 3 are views in section and in perspective for Figure 3, a pocket of a device according to the invention.
  • Figures 4 and 5 are perspective views of the flanges according to the invention, truncated for visibility of their cut.
  • the invention therefore relates to a device for packaging and dispensing a fluid product comprising a sealed flexible pouch 1 placed in a rigid bottle and associated with a pump or a valve, this pouch comprising a cylindrical wall consisting of a multilayer sheet 2 wound in a cylinder whose edges are tightly secured to two flanges 3, 4, one of which forms the bottom of the pocket and the other 4 a fixing ring to the bottle and the pump or the valve.
  • Each flange 3, 4 comprises a solid disk or a ring having a raised edge 3A, 4A forming a lateral annular surface, to which is fixed the edge of the sheet of the cylindrical wall of the pocket.
  • the multilayer sheet 2 of the bag 1 comprises at least one inner plastic film and a metal film, preferably a polyethylene film and an aluminum film.
  • a metal film preferably a polyethylene film and an aluminum film.
  • it consists in fact of a multi-layer sheet, these layers being advantageously, from the outer layer to the inner layer, polyethylene, polyethylene terephthalate, aluminum and polyethylene, to ensure chemical conditions and optimal mechanics.
  • the flanges 3, 4 are made of the same plastic as the inner film of the sheet 2, so preferably polyethylene.
  • the internal face of at least one of said flanges 3, 4 comprises a cover sheet 20A, 20B comprising a metal film and completely covering the inner face of the corresponding flange.
  • the cover sheet 20A, 20B covers the inner face of the flange 3, 4 and at least a portion of the inner lateral annular surface of its raised edge 3A, 4A.
  • the cover sheet 20A, 20B is identical to the multilayer sheet 2 constituting the cylindrical wall of the bag 1 and is therefore a multilayer sheet, these layers being made of polyethylene, polyethylene terephthalate, aluminum and polyethylene.
  • the product to be packaged to fill the pocket 1 remains in contact with polyethylene but in a proportion in thickness much less limiting any phenomenon of absorption and / or adsorption. Indeed, if the thickness of a flange 3, 4 is of the order of 1 to 1.5 mm, that of the polyethylene film of the covering layer 20A, 20B is of the order of 0.1 mm .
  • the covering sheet 20A, 20B having on both sides a polyethylene film, the fixing by welding of the cover sheet and the flange is easy and, once covered, the flange on the outer lateral annular surface of its raised edge, a polyethylene film which allows easy attachment by welding of the sheet 2 of the cylindrical wall of the pocket 1 which itself has a polyethylene film directed towards the flange.
  • the two flanges are made of plastic, preferably polyethylene, and the inner face of the two flanges 3, 4 of the pocket 1 comprises such a cover sheet 20A, 20B as shown in FIGS. 4 and 5.
  • the cover sheet 20A, 20B covers the entire inner lateral annular surface of the flanges 3, 4.
  • the method of placing the cover sheet 20A, 20B on the corresponding flange 3, 4 is greatly facilitated by the fact that the plastic material constituting the flange and the plastic film of the covering sheet 20A, 20B is identical. and preferably polyethylene.
  • the cover sheet 20A, 20B is overmolded on the inner surface of the flange by the so-called “in-mold labeling” or "IML" process. This process ensures optimal integration of the cover sheet on the face entire internal flange 3, 4 and on the lateral annular surface 3A, 4A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The invention relates to a device for packaging and dispensing a fluid product, comprising a sealed flexible bag (1) placed in a rigid bottle (10) and connected to a pump or a valve (13), said bag comprising a cylindrical wall consisting of a sheet (2) wound around a cylinder, the edge of which is sealingly attached to a flange forming a ring for attachment to the bottle and to the pump or to the valve, said flange (4) being made of a plastic, the inner surface of said flange supporting a covering sheet (20A, 20B) supported by the inner surface of said flange. According to the invention, the other edge of said sheet is sealingly attached to a second flange forming the bottom of the bag, said second flange (3) being made of a plastic, and the inner surface of said flange supporting a covering sheet (20A, 20B) which completely covers the inner surface of said flanges.

Description

DISPOSITIF A RECIPIENT RIGIDE ET POCHE CYLINDRIQUE SOUPLE POUR LE CONDITIONNEMENT DE FLUIDES ET SON PROCÉDÉ DE FABRICATION L'invention concerne un dispositif à flacon externe rigide et à poche interne cylindrique souple pour le conditionnement de fluides.  The invention relates to a device with a rigid external bottle and a flexible cylindrical internal pocket for the conditioning of fluids.
Un tel dispositif est décrit dans le document de brevet WO 03/011713.  Such a device is described in WO 03/011713.
Comme représenté sur la figure 1, ce dispositif de conditionnement et de distribution d'un produit fluide comporte une poche souple étanche 1 placée dans un flacon rigide 10, associée à une pompe 13 ou une valve et destinée à être remplie du produit à conditionner. Cette poche 1 comporte une paroi cylindrique constituée par au moins une feuille métallique ou de matière plastique enroulée suivant un cylindre dont les bords sont fixés de manière étanche à deux flasques 3, 4 dont l'un 3 forme le fond de la poche et l'autre 4 une bague de fixation au flacon et à la pompe ou à la valve.  As shown in FIG. 1, this device for packaging and dispensing a fluid product comprises a sealed flexible bag 1 placed in a rigid bottle 10, associated with a pump 13 or a valve and intended to be filled with the product to be packaged. This pocket 1 comprises a cylindrical wall formed by at least one metal sheet or plastic wound in a cylinder whose edges are sealed to two flanges 3, 4, one of which forms the bottom of the pocket and the other 4 a fixing ring to the bottle and the pump or the valve.
Chaque flasque 3, 4 comporte un disque plein ou une bague comportant un bord relevé 3A, 4A formant une surface annulaire latérale, à laquelle est fixé le bord de la feuille de la paroi cylindrique de la poche 1.  Each flange 3, 4 comprises a solid disk or a ring having a raised edge 3A, 4A forming a lateral annular surface, to which is fixed the edge of the sheet of the cylindrical wall of the pocket 1.
La poche 1 remplie du produit à conditionner est introduite dans le flacon 10, un bord radial 4B de la bague supérieure 4 étant fixé par encliquetage dans une rainure 11 formée dans la paroi interne du flacon 10. La pompe 13 équipée d'un poussoir 14 et d'une buse 16 est montée de façon étanche sur la bague supérieure 4.  The bag 1 filled with the product to be packaged is introduced into the bottle 10, a radial edge 4B of the upper ring 4 being fixed by snapping into a groove 11 formed in the inner wall of the bottle 10. The pump 13 equipped with a pusher 14 and a nozzle 16 is sealingly mounted on the upper ring 4.
De préférence, comme précisé dans le document de brevet WO 2010/125304, la paroi cylindrique de la poche 1 est constituée d'une feuille multi couches, ces couches étant, de la couche externe vers la couche interne, en polyéthylène, en téréphtalate de polyéthylène, en aluminium et en polyéthylène. Preferably, as specified in the patent document WO 2010/125304, the cylindrical wall of the bag 1 consists of a multi-layer sheet, these layers being, from the outer layer to the inner layer, of polyethylene, terephthalate of polyethylene, in aluminum and polyethylene.
Par ailleurs, les deux flasques 3, 4 sont réalisées en général en matière plastique et de préférence en polyéthylène.  Furthermore, the two flanges 3, 4 are generally made of plastic material and preferably polyethylene.
De tels flasques en polyéthylène posent les problèmes techniques suivants.  Such polyethylene flanges pose the following technical problems.
Elles sont transparentes à la lumière et perméables à l'oxygène. Elles peuvent générer une évaporation de produits volatiles, comme l'alcool par exemple. Certains produits peuvent entraîner des phénomènes d'adsorption et/ou d'absorption sur la matière plastique et en être dénaturés.  They are transparent to light and permeable to oxygen. They can generate evaporation of volatile products, such as alcohol for example. Some products may cause adsorption and / or absorption phenomena on the plastic and be denatured.
Il pourrait être envisagé de réaliser ces flasques en matériaux barrières moulés de façon massive, mais de tels matériaux sont relativement coûteux. De plus, l'utilisation de tels matériaux barrières nécessite d'utiliser pour la feuille formant la poche le même matériau barrière ou un matériau compatible pouvant lui être fixé, de préférence par soudure. Il en résulterait une augmentation importante du coût et de la complexité de fabrication du dispositif global.  It could be envisaged to make these flanges made of barrier materials molded in a massive way, but such materials are relatively expensive. In addition, the use of such barrier materials requires the use of the same barrier material or compatible material for the sheet forming the pocket, preferably by welding. This would result in a significant increase in the cost and complexity of manufacturing the overall device.
Par ailleurs, le document de brevet EP 0 354 137 décrit un dispositif de conditionnement et de distribution d'un produit fluide comportant une poche souple étanche placée dans un flacon rigide et associée à une pompe ou une valve, cette poche comportant une paroi cylindrique constituée d'une feuille enroulée suivant un cylindre dont un bord est fixé de manière étanche à un flasque formant une bague de fixation au flacon et à la pompe ou à la valve.  Furthermore, the patent document EP 0 354 137 describes a device for packaging and dispensing a fluid product comprising a sealed flexible bag placed in a rigid bottle and associated with a pump or a valve, this pocket having a cylindrical wall constituted a sheet wound in a cylinder whose one edge is sealingly attached to a flange forming a fixing ring to the bottle and the pump or the valve.
Cette bague est constituée d'une matière plastique et sa face interne peut porter une rondelle à effet barrière recouvrant partiellement la face interne de la bague et cette rondelle peut être en un complexe métalloplastique comportant un film métallique. Cette rondelle est soudée à la face de la bague par une grande face et retenue à sa base par un petit bourrelet annulaire de matière plastique. This ring is made of a plastic material and its inner face may carry a barrier effect washer partially covering the inner face of the ring and this washer may be a metal-plastic complex comprising a metal film. This washer is welded to the face of the ring by a large face and retained at its base by a small annular bead of plastic.
Une telle rondelle ne forme pas une barrière efficace, car elle ne recouvre pas la face interne de la bague sous ce bourrelet de matière plastique retenant sa base.  Such a washer does not form an effective barrier, because it does not cover the inner face of the ring under the bead of plastic holding its base.
L'invention améliore l'effet barrière d'une telle couche de recouvrement et propose un dispositif de fabrication facile et un agencement qui s'adapte aisément aux flasques actuels constitués d'une matière plastique.  The invention improves the barrier effect of such a cover layer and provides an easy manufacturing device and an arrangement that easily adapts to the current flanges made of plastic.
Pour ce faire, elle propose un dispositif de conditionnement et de distribution d'un produit fluide comportant une poche souple étanche placée dans un flacon rigide et associée à une pompe ou une valve, cette poche comportant une paroi cylindrique constituée d'une feuille enroulée suivant un cylindre dont un bord est fixé de manière étanche à un flasque formant une bague de fixation au flacon et à la pompe ou à la valve, ce flasque étant constitué d'une matière plastique, la face interne dudit flasque portant une feuille de recouvrement portée par la face interne dudit flasque, caractérisé en ce que l'autre bord de ladite feuille est fixé de manière étanche à un second flasque formant le fond de la poche, ce second flasque étant constitué d'une matière plastique, et en ce que la face interne desdits flasques porte une feuille de recouvrement recouvrant entièrement la face interne desdits flasques.  To do this, it proposes a device for packaging and dispensing a fluid product comprising a sealed flexible pouch placed in a rigid bottle and associated with a pump or a valve, this pouch having a cylindrical wall consisting of a wound sheet following a cylinder whose one edge is sealingly attached to a flange forming a fixing ring to the bottle and the pump or to the valve, this flange being made of a plastic material, the inner face of said flange carrying a covering sheet worn by the inner face of said flange, characterized in that the other edge of said sheet is sealingly attached to a second flange forming the bottom of the pocket, this second flange being made of a plastic material, and in that the internal face of said flanges carries a cover sheet completely covering the inner face of said flanges.
Le film métallique de la feuille de recouvrement de chaque flasque assure une barrière fiable au niveau de la face interne entière de chaque flasque en contact avec le produit conditionné contenu dans la poche.  The metal film of the cover sheet of each flange provides a reliable barrier at the entire inner face of each flange in contact with the packaged product contained in the pocket.
Selon un mode de réalisation préféré, ladite feuille de recouvrement comporte au moins un film de la même matière plastique que ledit flasque et ledit film métallique, son film en matière plastique étant tournée vers la face interne dudit flasque. According to a preferred embodiment, said cover sheet comprises at least one film of the same plastic material as said flange and said metal film, its plastic film being turned towards the inner face of said flange.
La feuille de recouvrement est donc alors une feuille multicouche comportant au moins un film en matière plastique et un film métallique. Ce film en matière plastique étant de la même matière plastique que le flasque et tournée vers la face interne du flasque, une fixation par soudure de la feuille de recouvrement et du flasque peut être réalisée de façon particulièrement efficace.  The cover sheet is then a multilayer sheet comprising at least one plastic film and a metal film. This plastic film being of the same plastic as the flange and facing the inner face of the flange, a welding attachment of the cover sheet and the flange can be performed particularly effectively.
Lorsque ladite feuille de la paroi cylindrique est une feuille multicouche comportant au moins un film interne en matière plastique et un film métallique, de préférence ladite feuille de recouvrement comporte au moins un film de la même matière plastique que ledit film interne de ladite feuille de la paroi cylindrique et ledit film métallique, son film en matière plastique étant tourné vers la face interne de ladite paroi cylindrique.  When said sheet of the cylindrical wall is a multilayer sheet comprising at least one inner plastic film and a metal film, preferably said cover sheet comprises at least one film of the same plastic material as said inner film of said sheet of the cylindrical wall and said metal film, its plastic film being turned towards the inner face of said cylindrical wall.
La feuille de recouvrement est donc alors une feuille multicouche comportant au moins un film en matière plastique et un film métallique. La matière plastique du film interne de la feuille multicouche de la paroi cylindrique étant identique à celle constituant le film de la couche de recouvrement tourné vers la face interne de ladite paroi cylindrique, une fixation par soudure entre cette paroi et le flasque revêtu peut être réalisée de façon particulièrement efficace.  The cover sheet is then a multilayer sheet comprising at least one plastic film and a metal film. Since the plastics material of the inner film of the multilayer film of the cylindrical wall is identical to that constituting the film of the covering layer turned towards the internal face of the said cylindrical wall, a welded connection between this wall and the coated flange can be realized. in a particularly effective way.
De préférence, le(s)dit(s) film(s) métallique(s) est (sont) en aluminium.  Preferably, said metal film (s) is (are) aluminum.
Et avantageusement, ladite matière plastique est du polyéthylène.  And advantageously, said plastic is polyethylene.
Le flasque comportant un disque plein ou une bague comportant un bord relevé formant une surface annulaire latérale, à laquelle est fixé le bord de ladite feuille de la paroi cylindrique, ladite feuille de recouvrement recouvre de préférence également au moins une partie de ladite surface annulaire latérale interne. Ce mode de réalisation assure une barrière totale au niveau de toute la face interne du flasque en contact avec le produit conditionné contenu dans la poche. The flange comprising a solid disk or a ring having a raised edge forming a lateral annular surface, to which is fixed the edge of said sheet of the cylindrical wall, said cover sheet preferably also covers at least a portion of said lateral annular surface. internal. This embodiment provides a total barrier at the entire inner face of the flange in contact with the packaged product contained in the pocket.
Avantageusement, ladite feuille de recouvrement est une feuille multicouche, ses couches étant en polyéthylène, en téréphtalate de polyéthylène, en aluminium et en polyéthylène.  Advantageously, said cover sheet is a multilayer sheet, its layers being made of polyethylene, polyethylene terephthalate, aluminum and polyethylene.
L'invention concerne également un procédé de fabrication d'un tel dispositif, caractérisé en ce que ladite feuille de recouvrement est surmoulée sur la face interne desdits flasques par le procédé d'étiquetage dans le moule appelé couramment « IML ».  The invention also relates to a method of manufacturing such a device, characterized in that said cover sheet is overmolded on the inner face of said flanges by the labeling method in the mold commonly called "IML".
Outre le fait que ce procédé puisse être totalement robotisé, il assure un positionnement parfait de la feuille de recouvrement et donc un recouvrement parfait et entier de la face interne de chaque flasque.  In addition to the fact that this process can be fully robotic, it ensures a perfect positioning of the cover sheet and thus a perfect and complete overlap of the inner face of each flange.
Selon un mode de réalisation préféré, ladite feuille de recouvrement est soudée sur la face interne de ladite feuille constituant la paroi cylindrique.  According to a preferred embodiment, said cover sheet is welded to the inner face of said sheet constituting the cylindrical wall.
L'invention est décrite ci-après plus en détail à l'aide de figures représentant uniquement un mode de réalisation préféré de l'invention.  The invention is described below in more detail with the aid of figures representing only a preferred embodiment of the invention.
La figure 1 est une vue en coupe verticale d'un dispositif selon l'art antérieur et est déjà décrite ci-dessus.  Figure 1 is a vertical sectional view of a device according to the prior art and is already described above.
Les figures 2 et 3 sont des vues en coupe et en perspective pour la figure 3, d'une poche d'un dispositif conforme à l'invention.  Figures 2 and 3 are views in section and in perspective for Figure 3, a pocket of a device according to the invention.
Les figures 4 et 5 sont des vues en perspective des flasques conformes à l'invention, tronquées pour une visibilité de leur coupe.  Figures 4 and 5 are perspective views of the flanges according to the invention, truncated for visibility of their cut.
Comme représenté sur les figures 2 et 3, l'invention concerne donc un dispositif de conditionnement et de distribution d'un produit fluide comportant une poche souple étanche 1 placée dans un flacon rigide et associée à une pompe ou une valve, cette poche comportant une paroi cylindrique constituée d'une feuille multicouche 2 enroulée suivant un cylindre dont les bords sont fixés de manière étanche à deux flasques 3, 4, dont l'un 3 forme le fond de la poche et l'autre 4 une bague de fixation au flacon et à la pompe ou à la valve. As represented in FIGS. 2 and 3, the invention therefore relates to a device for packaging and dispensing a fluid product comprising a sealed flexible pouch 1 placed in a rigid bottle and associated with a pump or a valve, this pouch comprising a cylindrical wall consisting of a multilayer sheet 2 wound in a cylinder whose edges are tightly secured to two flanges 3, 4, one of which forms the bottom of the pocket and the other 4 a fixing ring to the bottle and the pump or the valve.
Chaque flasque 3, 4 comporte un disque plein ou une bague comportant un bord relevé 3A, 4A formant une surface annulaire latérale, à laquelle est fixé le bord de la feuille de la paroi cylindrique de la poche.  Each flange 3, 4 comprises a solid disk or a ring having a raised edge 3A, 4A forming a lateral annular surface, to which is fixed the edge of the sheet of the cylindrical wall of the pocket.
La feuille multicouche 2 de la poche 1 comporte au moins un film interne en matière plastique et un film métallique, de préférence un film de polyéthylène et un film d'aluminium. De préférence, elle est constituée en fait d'une feuille multi couches, ces couches étant avantageusement, de la couche externe vers la couche interne, en polyéthylène, en téréphtalate de polyéthylène, en aluminium et en polyéthylène, afin d'assurer des conditions chimiques et mécaniques optimales.  The multilayer sheet 2 of the bag 1 comprises at least one inner plastic film and a metal film, preferably a polyethylene film and an aluminum film. Preferably, it consists in fact of a multi-layer sheet, these layers being advantageously, from the outer layer to the inner layer, polyethylene, polyethylene terephthalate, aluminum and polyethylene, to ensure chemical conditions and optimal mechanics.
Les flasques 3, 4 sont constitués de la même matière plastique que le film interne de la feuille 2, donc de préférence en polyéthylène.  The flanges 3, 4 are made of the same plastic as the inner film of the sheet 2, so preferably polyethylene.
Selon l'invention, la face interne d'au moins un desdits flasques 3, 4 comporte une feuille de recouvrement 20A, 20B comportant un film métallique et recouvrant entièrement la face interne du flasque correspondant.  According to the invention, the internal face of at least one of said flanges 3, 4 comprises a cover sheet 20A, 20B comprising a metal film and completely covering the inner face of the corresponding flange.
Avantageusement, pour ce faire, la feuille de recouvrement 20A, 20B recouvre la face interne du flasque 3, 4 ainsi qu'au moins une partie de la surface annulaire latérale interne de son bord relevé 3A, 4A.  Advantageously, to do this, the cover sheet 20A, 20B covers the inner face of the flange 3, 4 and at least a portion of the inner lateral annular surface of its raised edge 3A, 4A.
De préférence, la feuille de recouvrement 20A, 20B est identique à la feuille multicouche 2 constituant la paroi cylindrique de la poche 1 et est donc une feuille multicouche, ces couches étant en polyéthylène, en téréphtalate de polyéthylène, en aluminium et en polyéthylène.  Preferably, the cover sheet 20A, 20B is identical to the multilayer sheet 2 constituting the cylindrical wall of the bag 1 and is therefore a multilayer sheet, these layers being made of polyethylene, polyethylene terephthalate, aluminum and polyethylene.
Le produit à conditionner destiné à remplir la poche 1 reste donc en contact avec du polyéthylène mais dans une proportion en épaisseur bien moindre limitant tout phénomène d'absorption et/ou d'adsorption. En effet, si l'épaisseur d'un flasque 3, 4 est de l'ordre de 1 à 1,5 mm, celle du film de polyéthylène de la couche de recouvrement 20A, 20B est de l'ordre de 0,1 mm. The product to be packaged to fill the pocket 1 remains in contact with polyethylene but in a proportion in thickness much less limiting any phenomenon of absorption and / or adsorption. Indeed, if the thickness of a flange 3, 4 is of the order of 1 to 1.5 mm, that of the polyethylene film of the covering layer 20A, 20B is of the order of 0.1 mm .
Par ailleurs, la feuille de recouvrement 20A, 20B présentant sur ces deux faces un film en polyéthylène, la fixation par soudure de la feuille de recouvrement et du flasque est aisée et, une fois recouvert, le flasque présente sur la surface annulaire latérale externe de son bord relevé, un film de polyéthylène qui permet une fixation aisée par soudure de la feuille 2 de la paroi cylindrique de la poche 1 qui présente elle-même un film en polyéthylène dirigée vers le flasque.  Furthermore, the covering sheet 20A, 20B having on both sides a polyethylene film, the fixing by welding of the cover sheet and the flange is easy and, once covered, the flange on the outer lateral annular surface of its raised edge, a polyethylene film which allows easy attachment by welding of the sheet 2 of the cylindrical wall of the pocket 1 which itself has a polyethylene film directed towards the flange.
Bien que, dans le cadre de l'invention, seul un des flasques 3, 4 puisse être équipé d'une telle feuille de recouvrement, tout en apportant une amélioration des conditions d'évaporation, d'adsorption et/ou d'absorption, de façon optimale, les deux flasques sont en matière plastique, de préférence en polyéthylène, et la face interne des deux flasques 3, 4 de la poche 1 comporte une telle feuille de recouvrement 20A, 20B comme représenté sur les figures 4 et 5. Comme visible sur ces figures, de préférence, la feuille de recouvrement 20A, 20B recouvre toute la surface annulaire latérale interne des flasques 3, 4.  Although, in the context of the invention, only one of the flanges 3, 4 can be equipped with such a cover sheet, while providing an improvement in the conditions of evaporation, adsorption and / or absorption, optimally, the two flanges are made of plastic, preferably polyethylene, and the inner face of the two flanges 3, 4 of the pocket 1 comprises such a cover sheet 20A, 20B as shown in FIGS. 4 and 5. visible in these figures, preferably, the cover sheet 20A, 20B covers the entire inner lateral annular surface of the flanges 3, 4.
Le procédé de mise en place de la feuille de recouvrement 20A, 20B sur le flasque correspondant 3, 4 est grandement facilité par le fait que la matière plastique constituant le flasque et le film en matière plastique de la feuille de recouvrement 20A, 20B est identique et de préférence du polyéthylène.  The method of placing the cover sheet 20A, 20B on the corresponding flange 3, 4 is greatly facilitated by the fact that the plastic material constituting the flange and the plastic film of the covering sheet 20A, 20B is identical. and preferably polyethylene.
La feuille de recouvrement 20A, 20B est surmoulée sur la surface interne du flasque par le procédé dit « d'étiquetage dans le moule » appelé en anglais « In-mould labelling » ou « IML ». Ce procédé assure une intégration optimale de la feuille de recouvrement sur la face interne entière du flasque 3, 4 ainsi que sur la surface annulaire latérale 3A, 4A. The cover sheet 20A, 20B is overmolded on the inner surface of the flange by the so-called "in-mold labeling" or "IML" process. This process ensures optimal integration of the cover sheet on the face entire internal flange 3, 4 and on the lateral annular surface 3A, 4A.

Claims

REVENDICATIONS
1. Dispositif de conditionnement et de distribution d'un produit fluide comportant une poche souple étanche (1) placée dans un flacon rigide (10) et associée à une pompe ou une valve (13), cette poche comportant une paroi cylindrique constituée d'une feuille (2) enroulée suivant un cylindre dont un bord est fixé de manière étanche à un flasque formant une bague de fixation au flacon et à la pompe ou à la valve, ce flasque (4) étant constitué d'une matière plastique, la face interne dudit flasque portant une feuille de recouvrement (20A, 20B) portée par la face interne dudit flasque, caractérisé en ce que l'autre bord de ladite feuille est fixé de manière étanche à un second flasque formant le fond de la poche, ce second flasque (3) étant constitué d'une matière plastique, et en ce que la face interne desdits flasques porte une feuille de recouvrement (20A, 20B) recouvrant entièrement la face interne desdits flasques. 1. Device for packaging and dispensing a fluid product comprising a sealed flexible bag (1) placed in a rigid bottle (10) and associated with a pump or a valve (13), this bag having a cylindrical wall consisting of a sheet (2) wound in a cylinder whose one edge is sealingly attached to a flange forming a fixing ring to the bottle and the pump or to the valve, this flange (4) consisting of a plastic material, the inner face of said flange carrying a cover sheet (20A, 20B) carried by the inner face of said flange, characterized in that the other edge of said sheet is sealingly attached to a second flange forming the bottom of the pocket, second flange (3) being made of a plastic material, and in that the inner face of said flanges carries a cover sheet (20A, 20B) completely covering the inner face of said flanges.
2. Dispositif selon la revendication précédente, caractérisé en ce que ladite feuille de recouvrement (20A, 20B) comporte un film métallique et au moins un film de la même matière plastique que ledit flasque, son film en matière plastique étant tournée vers la face interne dudit flasque.  2. Device according to the preceding claim, characterized in that said cover sheet (20A, 20B) comprises a metal film and at least one film of the same plastic as said flange, its plastic film being turned towards the inner face said flange.
3. Dispositif selon la revendication précédente, dont ladite feuille (2) de la paroi cylindrique est une feuille multicouche comportant au moins un film interne en matière plastique et un film métallique, caractérisé en ce que ladite feuille de recouvrement (20A, 20B) comporte au moins un film de la même matière plastique que ledit film interne de ladite feuille de la paroi cylindrique et ledit film métallique, son film en matière plastique étant tournée vers la face interne de ladite feuille (2) constituant la paroi cylindrique. 3. Device according to the preceding claim, wherein said sheet (2) of the cylindrical wall is a multilayer sheet comprising at least one inner plastic film and a metal film, characterized in that said cover sheet (20A, 20B) comprises at least one film of the same plastic material as said inner film of said sheet of the cylindrical wall and said metal film, its plastic film being turned towards the inner face of said sheet (2) constituting the cylindrical wall.
4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le(s)dit(s) film(s) métallique(s) est (sont) en aluminium. 4. Device according to one of the preceding claims, characterized in that the (s) said (s) metal film (s) is (are) aluminum.
5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que ladite matière plastique est du polyéthylène. 5. Device according to one of the preceding claims, characterized in that said plastic material is polyethylene.
6. Dispositif selon l'une des revendications précédentes, dont les flasques (3, 4) comportent un disque plein ou une bague comportant un bord relevé (3A, 4A) formant une surface annulaire latérale, à laquelle est fixé le bord de ladite feuille (2) formant la paroi de la poche, caractérisé en ce que ladite feuille de recouvrement (20A, 20B) recouvre également au moins une partie de ladite surface annulaire latérale interne. 6. Device according to one of the preceding claims, whose flanges (3, 4) comprise a solid disk or a ring having a raised edge (3A, 4A) forming a lateral annular surface, to which is fixed the edge of said sheet (2) forming the wall of the pocket, characterized in that said cover sheet (20A, 20B) also covers at least a portion of said inner lateral annular surface.
7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que ladite feuille de recouvrement (20A, 20B) est une feuille multicouche, ses couches étant en polyéthylène, en téréphtalate de polyéthylène, en aluminium et en polyéthylène. 7. Device according to one of the preceding claims, characterized in that said cover sheet (20A, 20B) is a multilayer sheet, its layers being polyethylene, polyethylene terephthalate, aluminum and polyethylene.
8. Procédé de fabrication d'un dispositif selon l'une des revendications précédentes, caractérisé en ce que ladite feuille de recouvrement (20A, 20B) est surmoulée sur la face interne desdits flasques (3, 4) par le procédé d'étiquetage dans le moule appelé couramment « IML ». 8. A method of manufacturing a device according to one of the preceding claims, characterized in that said cover sheet (20A, 20B) is overmolded on the inner face of said flanges (3, 4) by the labeling method in the mold commonly called "IML".
9. Procédé de fabrication selon la revendication 7, d'un dispositif selon la revendication 2, caractérisé en ce que ladite feuille de recouvrement (20A, 20B) est soudée sur la face interne de ladite feuille (2) constituant la paroi cylindrique. 9. The manufacturing method according to claim 7, a device according to claim 2, characterized in that said cover sheet (20A, 20B) is welded to the inner face of said sheet (2) constituting the cylindrical wall.
EP14742269.5A 2013-07-08 2014-06-24 Device having a rigid container and a flexible cylindrical bag for packaging fluids Active EP3019416B1 (en)

Applications Claiming Priority (2)

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FR1356698A FR3008078B1 (en) 2013-07-08 2013-07-08 DEVICE WITH RIGID CONTAINER AND FLEXIBLE CYLINDRICAL POCKET FOR PACKAGING FLUIDS.
PCT/FR2014/051571 WO2015004360A1 (en) 2013-07-08 2014-06-24 Device having a rigid container and a flexible cylindrical bag for packaging fluids and method for manufacturing same

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KR (1) KR102156681B1 (en)
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BR (1) BR112015033050B1 (en)
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ES2635350T3 (en) 2017-10-03
US20170113236A1 (en) 2017-04-27
EP3019416B1 (en) 2017-06-21
KR102156681B1 (en) 2020-09-16
CA2916359C (en) 2020-12-29
BR112015033050B1 (en) 2021-09-14
IL243489A0 (en) 2016-02-29
CN105392714A (en) 2016-03-09
KR20160030197A (en) 2016-03-16
US10307776B2 (en) 2019-06-04
WO2015004360A1 (en) 2015-01-15
CN105392714B (en) 2018-05-15
FR3008078A1 (en) 2015-01-09
CA2916359A1 (en) 2015-01-15
IL243489B (en) 2019-10-31
FR3008078B1 (en) 2016-04-01
JP2016523781A (en) 2016-08-12
JP6346948B2 (en) 2018-06-20
BR112015033050A2 (en) 2017-07-25

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