EP1305230B1 - Reversible closure device for container - Google Patents

Reversible closure device for container Download PDF

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Publication number
EP1305230B1
EP1305230B1 EP01954071A EP01954071A EP1305230B1 EP 1305230 B1 EP1305230 B1 EP 1305230B1 EP 01954071 A EP01954071 A EP 01954071A EP 01954071 A EP01954071 A EP 01954071A EP 1305230 B1 EP1305230 B1 EP 1305230B1
Authority
EP
European Patent Office
Prior art keywords
container
receptacle
opening
lid
closing
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.)
Expired - Lifetime
Application number
EP01954071A
Other languages
German (de)
French (fr)
Other versions
EP1305230A1 (en
Inventor
David Platre
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.)
Deldaele Roger
Kesteloot Benoit
van Caeneghem Jacky
Original Assignee
Deldaele Roger
Kesteloot Benoit
van Caeneghem Jacky
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 Deldaele Roger, Kesteloot Benoit, van Caeneghem Jacky filed Critical Deldaele Roger
Publication of EP1305230A1 publication Critical patent/EP1305230A1/en
Application granted granted Critical
Publication of EP1305230B1 publication Critical patent/EP1305230B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
    • B65D43/169—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately the lid, the hinge and the element connecting them to the container being made of one piece
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/30—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials for desiccators
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0018—Upper closure of the 43-type
    • B65D2251/0021—Upper closure of the 43-type of the B65D43/16-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00083—Shape of the outer periphery curved oval
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid

Definitions

  • the invention relates to a device or organ intended to ensure the closing of a container in general according to the preamble of claim 1, and a packaging in particular.
  • the document FR 587800A describes such a device.
  • the invention relates more particularly to a closure member, capable ensure, in addition to its primary function of effectively closing the opening of the container to which it is attached or related, also an active role which can be of different nature, and in particular dehumidifying, rehydrating, oxygen absorber, absorber or emitter of carbon dioxide, absorber or diffuser of odor (s), even develop anti-mold properties.
  • the closure method generally implemented no longer ensures this tightness with respect to air ambient, and therefore relative to the humidity it contains, so that a agglomeration of the powder, and generally of the dry matter, occurring in the form of lumps, and at the same time it is observed a loss of aroma of the product.
  • the first of these consists of making small packaging, for example example of the single-dose type, for rapid consumption, and in particular content of each dose immediately upon opening. We break free undoubtedly the kind of action of humidity on the product it contains.
  • the invention consists in providing a reclosable cover incorporating such an agent, without present any risk of contact between the contents of the container to which it is intended to adapt and the active agent used within the cover.
  • the closure member of the receptacle is constituted by a porous or microperforated film or cover, and the peripheral ring receives a cover, intended to close off tightly the contents of the container before a first use.
  • the closure member of the receptacle incorporating the active principle is intended to come into close and intimate contact with said cover, when the cover is in the closed position, so as to ensure the sealed closure of said receptacle, in order to avoid any alteration of its properties. This tightness is further increased, when a slight pressure is exerted by the receptacle on the cover, under the action of the lid.
  • the shutter member of the receptacle is porous, and in particular is breathable, so as to allow the action of the active agent on it, whether it is absorbing moisture, or performing anti-mold treatment.
  • the shutter member of the receptacle is microperforated, in particular to not allow transit through the latter as targeted components, in particular in the context of oxygen absorption, or even allow absorption and then release of moisture, as part of the implementation as active ingredient of rehydrating agents.
  • Figure 1 is a schematic perspective representation of the upper part of a container using the cover according to the invention, the latter being open position.
  • Figure 2 is a view similar to Figure 1, according to a second embodiment of the invention.
  • Figure 3 is a schematic perspective representation of the upper part of the container of Figure 1, the cover then being closed.
  • the example which follows relates more particularly to a container, of which it is desired keep the volume away from humidity, after first opening.
  • Such a container (1) can be of any kind, and of any section. It can in particular be rigid, and in this case be made of relatively thick cardboard, possibly aluminized.
  • a flexible material such as in particular a sheet of plastic material
  • This sheet is therefore made of synthetic material, or even of cardboard, treated as such. so as to allow ultrasonic welding or heat sealing.
  • the body thus produced receives at its base a bottom, typically consisting of a cup, also made of a synthetic material, and whose shape and dimensions correspond well understood, to the shape and dimensions of the body produced during the previous step.
  • the periphery of this cup has a groove within which is intended to insert the lower end of said body. After insertion, a bonding or welding phase, in order to ensure sealing and airtightness at this level required.
  • the cover (2) according to the invention is typically made of plastic, and in particular polypropylene, by injection in one or more stages.
  • It basically comprises a peripheral ring (3), in this case rigid, intended to be fitted at the upper end of the container (1) around its periphery, this upper end constituting the access opening and moreover emptying and the contents of said container.
  • This peripheral ring (3) receives a cover (4), intended, in known manner, to seal the contents of the container (1) before first use.
  • a cover (4) intended, in known manner, to seal the contents of the container (1) before first use.
  • a radial tab (11) advantageously from molding, and intended to serve as a support for said cover (4), in particular when it is put in square.
  • This peripheral ring (3) is attached to said upper end of the body by any traditional means, such as in particular bonding or heat-bonding.
  • the actual cover (6) is hinged at a hinge (5) to the ring peripheral (3).
  • said cover can be clipped at one of the edges of said ring (3).
  • the bottom (10) of the cover (6) has a receptacle (7), advantageously from molding, and intended to receive and contain a active agent, and typically a dehumidifying agent (9), such as for example a gel silica or clay.
  • a dehumidifying agent (9) such as for example a gel silica or clay.
  • the cover (6), the peripheral ring (3) and the receptacle (7) constitute advantageously a one-piece assembly, made of plastic, and derived from molding.
  • the receptacle (7) is then defined by an annular projection, said projection being advantageously after molding and extending from the bottom (10) of the cover (6). It extends over a height slightly greater than the height of the cover, as we can clearly observe it in FIG. 3.
  • the cover is partially open, so as to produce a spout by example.
  • the receptacle is located under the fixed part of the lid, the seal for sealing the container then being removed by sliding, sliding system type.
  • said receptacle does not come from molding with the cover, but attached to the bottom (10) of said cover (6), in particular by clipping or snapping at a ring provided for this purpose, in particular by molding, at said bottom (10).
  • This shape embodiment has the advantage of being able to fill the receptacle (7) with active agent (9), regardless of the construction or fitting of the cover (6) on the packaging intended to receive it.
  • the receptacle (7) is closed by means of a porous film or cover (8).
  • He can be made of polypropylene, and generally of plastic, but also in paper.
  • porosity is meant the capacity for the film in question to allow air to pass ambient, charged with humidity inside the receptacle (7), so that the active agent which it contains can effectively absorb this moisture.
  • the air surrounding said receptacle (7) is capable of being able to penetrate inside of this one. In doing so, the moisture it carries is absorbed by the dehumidifier (9) it contains.
  • the relative height of the receptacle (7) by relative to the bottom (10) of the cover (6) is chosen so that when the cover is closed (FIG. 3), in particular by snap-fastening on the peripheral ring (3), the film or cover (8) comes into intimate contact with the cover (4) formed at the level of the peripheral ring (3).
  • This privacy is advantageously reinforced by slightly increasing the height of said receptacle (7) so as to induce a slight deflection of the cover (4) of the order of 2 to 3/10 th of a millimeter under the action of pressure. thus exerted by the receptacle (7) following the closing of the cover (6).
  • the legs are oriented (11) for supporting said cover upwards, and a material thickness is chosen suitable for constituting them, so as to ensure an elastic effect, also directed upwards. So that even under the action of the pressure exerted by the receptacle (7), the cover (4) remains permanently tensioned, thereby conferring a very firm contact between the film (8) and the cover (4), and therefore ensuring sealing said receptacle (7) notwithstanding the porous nature of the film (8).
  • the active principle (9) contained in the receptacle (7) is not subjected to an external environment and the properties for which it was selected are therefore not altered.
  • the cover (4) is removed so that there is no longer a sealed closure of the receptacle (7), taking into account the film porosity (8).
  • the active principle (9) plays its role and ensures, in the example described, a dehumidification function.
  • the active agent can fulfill other properties depending on the content of the container (1). It can for example be a rehydrating agent or an oxygen absorber.
  • the film (8) is microperforated, the dimensions of the perforations then being a function of the size of the molecules which should be allowed to transit.
  • the active agent can also absorb or emit carbon dioxide. he can also be an absorber or on the contrary, an odor or gasoline diffuser aromatic, capable of accentuating the odor of the product contained in the container during its opening.
  • the receptacle (7) is formed not by an annular projection, but by the entire bottom of the cover (6).
  • the film or cover (8) extends according to substantially the entire surface of the bottom (10) to ensure its sealing function.
  • the film (8) is fixed on a radial tab, formed at the level of the internal lateral face of the cover (6), at the desired height.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Basic Packing Technique (AREA)
  • Closing Of Containers (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

The invention concerns a device for closing the opening of a container (1) comprising: a peripheral ring (3), designed to be directly mounted proximate to the container (1) top end, and receiving an inner seal (4), designed to close tightly the content of the container (1) before initial use or opening; a lid (6) directly mounted (5) on said ring (3), said lid comprising a receptacle (7) adapted to receive an active agent (9), said receptacle (7) being closed by means of a closure member (8) consisting of a porous or micro-perforated film or seal. The invention is characterised in that the closure member (8) of the receptacle (7) is designed to be urged in close and intimate contact with said inner seal (4) when the lid (6) is in closed position, so as to ensure the tight closure of the content (9) of said receptacle, to avoid any alteration of the properties of said active agent (9) before initial use or the opening of said container.

Description

L'invention concerne un dispositif ou organe destiné à assurer la fermeture d'un récipient de manière générale selon le préambule de la revendication 1, et d'un emballage en particulier. Le document FR 587800A décrit un tel dispositif.The invention relates to a device or organ intended to ensure the closing of a container in general according to the preamble of claim 1, and a packaging in particular. The document FR 587800A describes such a device.

L'invention a plus particulièrement trait à un organe de fermeture, susceptible d'assurer, outre sa fonction première d'obturation effective de l'ouverture du récipient auquel il est solidarisé ou rapporté, également un rôle actif qui peut être de différente nature, et notamment déshumidifiant, réhydratant, absorbeur d'oxygène, absorbeur ou émetteur de dioxyde de carbone, absorbeur ou diffuseur d'odeur(s), voire développer des propriétés anti-moisissures.The invention relates more particularly to a closure member, capable ensure, in addition to its primary function of effectively closing the opening of the container to which it is attached or related, also an active role which can be of different nature, and in particular dehumidifying, rehydrating, oxygen absorber, absorber or emitter of carbon dioxide, absorber or diffuser of odor (s), even develop anti-mold properties.

Il es bien connu aujourd'hui de mettre en oeuvre dans certains domaines d'application des produits déshydratants ou déshumidificateurs, visant à absorber l'humidité contenu dans un volume déterminé. En effet, pour un certain nombre de produits ou d'applications, l'humidité ambiante s'avère rédhibitoire et doit donc être évitée à tout prix.It is well known today to implement in certain fields of application desiccants or dehumidifiers, aimed at absorbing the moisture contained in a specific volume. Indeed, for a certain number of products or applications, ambient humidity is unacceptable and must therefore be avoided at all price.

Dans le domaine alimentaire, le problème peut également se poser dès lors que l'on fait appel à des produits pulvérulents, tels que par exemple du chocolat en poudre pour le petit déjeuner, le lait en poudre, les flocons de pomme de terre pour la réalisation de purée, etc...In the food sector, the problem can also arise when we uses powdery products, such as for example chocolate powder for breakfast, milk powder, potato flakes for making mash, etc ...

Aussi longtemps que l'emballage contenant ces produits n'a pas été ouvert, ceux-ci sont le plus souvent maintenus de manière étanche, à l'abri notamment de l'humidité, par exemple par operculage.As long as the packaging containing these products has not been opened, these are most often kept tightly, sheltered in particular from moisture, for example by sealing.

Cependant, dès lors que l'emballage est ouvert pour la première fois, induisant nécessairement l'arrachage à tout le moins partiel de l'opercule, le mode de fermeture généralement mis en oeuvre ne permet plus d'assurer cette étanchéité par rapport à l'air ambiant, et partant par rapport à l'humidité qu'il contient, de sorte qu'il se forme une agglomération de la poudre, et de manière générale de la matière sèche, se présentant sous la forme de grumeaux, et parallèlement il est observé une perte d'arôme du produit.However, as soon as the package is opened for the first time, inducing necessarily at least partial removal of the cover, the closure method generally implemented no longer ensures this tightness with respect to air ambient, and therefore relative to the humidity it contains, so that a agglomeration of the powder, and generally of the dry matter, occurring in the form of lumps, and at the same time it is observed a loss of aroma of the product.

Afin de surmonter cet inconvénient, différentes solutions ont été proposées. In order to overcome this drawback, various solutions have been proposed.

La première d'entre elles consiste à réaliser des emballages de petites dimensions, par exemple de type monodose, en vue d'une consommation rapide, et notamment immédiate du contenu de chaque dose dès son ouverture. On s'affranchit incontestablement de la sorte de l'action de l'humidité sur le produit qu'elle contient.The first of these consists of making small packaging, for example example of the single-dose type, for rapid consumption, and in particular content of each dose immediately upon opening. We break free undoubtedly the kind of action of humidity on the product it contains.

Ce faisant, pour une quantité déterminée de consommable, on augmente de manière significative le coût relatif au seul emballage. A tel point que pour certains produits, l'emballage revient plus cher que le produit lui-même.In doing so, for a given quantity of consumable, we increase the cost relating to packaging alone. So much so that for some products, the packaging is more expensive than the product itself.

Pour d'autres applications, tel que par exemple les flocons de pomme de terre, on a proposé de commercialiser au sein d'un emballage plus important, des sachets correspondants à la consommation moyenne d'une, deux ou d'un nombre limité de personnes. De sorte qu'à nouveau, le produit n'est pas soumis à l'humidité car immédiatement consommé.For other applications, such as for example potato flakes, we have proposed to market within a larger packaging, sachets corresponding to the average consumption of one, two or a limited number of people. So again, the product is not subject to moisture because immediately consumed.

Certes, cette solution conserve le produit non consommé hors de l'action de l'humidité, mais cependant induit également un surenchérissement des coûts.Admittedly, this solution keeps the product not consumed out of the action of humidity, but also induces an increase in costs.

On a également proposé d'intégrer au fond des bouchons traditionnels, un agent déshumidificateur susceptible ainsi, après refermeture du récipient au moyen dudit bouchon, d'exercer une action visant à absorber l'humidité de l'air ayant pénétré à l'intérieur du volume dudit récipient, libéré par la consommation partielle de son contenu.It has also been proposed to integrate into the bottom of traditional stoppers, an agent dehumidifier capable thus, after reclosing the container by means of said plug, to exert an action aimed at absorbing moisture from the air having penetrated inside the volume of said container, released by the partial consumption of its content.

Cependant, le risque d'entrée en contact du produit stocké dans le récipient avec l'agent déshumidificateur ou dessicant n'est pas nul, et pour des questions d'ordre hygiéniques et de toxicité, on souhaite à tout prix s'affranchir d'un tel risque.However, the risk of the product stored in the container coming into contact with the dehumidifier or desiccant agent is not zero, and for questions of order hygienic and toxic, we want to avoid this risk at all costs.

L'invention consiste à proposer un couvercle refermable intégrant un tel agent, sans présenter un quelconque risque de contact entre le contenu du récipient auquel il est destiné à s'adapter et l'agent actif mis en oeuvre au sein du couvercle.The invention consists in providing a reclosable cover incorporating such an agent, without present any risk of contact between the contents of the container to which it is intended to adapt and the active agent used within the cover.

Ce dispositif d'obturation d'un récipient comprend :

  • tout d'abord, une bague périphérique, destinée à être rapportée au voisinage de l'extrémité supérieure du récipient, définissant l'ouverture d'accès à celui-ci ;
  • et un couvercle, rapporté sur ladite bague, ledit couvercle intégrant un réceptacle susceptible de recevoir un agent actif, ledit réceptacle étant obturé au moyen d'un organe d'obturation.
This device for closing a container comprises:
  • firstly, a peripheral ring, intended to be attached in the vicinity of the upper end of the container, defining the access opening thereto;
  • and a cover, attached to said ring, said cover integrating a receptacle capable of receiving an active agent, said receptacle being closed by means of a closure member.

Selon l'invention, l'organe d'obturation du réceptacle est constitué par un film ou opercule poreux, ou microperforé, et la bague périphérique reçoit un opercule, destiné à obturer de manière étanche le contenu du récipient avant une première utilisation. Dans cette configuration, l'organe d'obturation du réceptacle intégrant le principe actif, est destiné à venir en contact étroit et intime avec ledit opercule, lorsque le couvercle est en position de fermeture, de telle sorte à assurer la fermeture étanche dudit réceptacle, afin d'éviter toute altération de ses propriétés. Cette étanchéité est en outre accrue, lorsqu'une légère pression est exercée par le réceptacle sur l'opercule, sous l'action du couvercle.According to the invention, the closure member of the receptacle is constituted by a porous or microperforated film or cover, and the peripheral ring receives a cover, intended to close off tightly the contents of the container before a first use. In this configuration, the closure member of the receptacle incorporating the active principle, is intended to come into close and intimate contact with said cover, when the cover is in the closed position, so as to ensure the sealed closure of said receptacle, in order to avoid any alteration of its properties. This tightness is further increased, when a slight pressure is exerted by the receptacle on the cover, under the action of the lid.

Selon une première forme de réalisation de l'invention, l'organe d'obturation du réceptacle est poreux, et notamment est perméable à l'air, de telle sorte à autoriser l'action de l'agent actif sur celui-ci, qu'il s'agisse d'absorber l'humidité, ou d'effectuer un traitement anti-moisissures.According to a first embodiment of the invention, the shutter member of the receptacle is porous, and in particular is breathable, so as to allow the action of the active agent on it, whether it is absorbing moisture, or performing anti-mold treatment.

Selon une seconde forme de réalisation de l'invention, l'organe d'obturation du réceptacle est microperforé, afin notamment de ne permettre le transit au travers de celui-ci que de composants ciblés, notamment dans le cadre de l'absorption d'oxygène, voire de permettre une absorption puis un relargage de l'humidité, dans le cadre de la mise en oeuvre à titre de principe actif d'agents réhydratants.According to a second embodiment of the invention, the shutter member of the receptacle is microperforated, in particular to not allow transit through the latter as targeted components, in particular in the context of oxygen absorption, or even allow absorption and then release of moisture, as part of the implementation as active ingredient of rehydrating agents.

La manière dont l'invention peut être réalisée et les avantages qui en découlent ressortiront mieux de l'exemple de réalisation qui suit donné à titre indicatif et non limitatif à l'appui des figures annexées.The manner in which the invention can be realized and the advantages which flow therefrom will emerge better from the example of embodiment which follows given by way of indication and not limiting in support of the appended figures.

La figure 1 est une représentation schématique en perspective de la partie supérieure d'un récipient mettant en oeuvre le couvercle conforme à l'invention, celui-ci étant en position ouverte.Figure 1 is a schematic perspective representation of the upper part of a container using the cover according to the invention, the latter being open position.

La figure 2 est une vue analogue à la figure 1, selon une seconde forme de réalisation de l'invention.Figure 2 is a view similar to Figure 1, according to a second embodiment of the invention.

La figure 3 est une représentation schématique en perspective de la partie supérieure du récipient de la figure 1, le couvercle étant alors fermé. Figure 3 is a schematic perspective representation of the upper part of the container of Figure 1, the cover then being closed.

L'exemple qui suit a plus particulièrement trait à un récipient, dont on souhaite maintenir le volume à l'abri de l'humidité, après première ouverture.The example which follows relates more particularly to a container, of which it is desired keep the volume away from humidity, after first opening.

Un tel récipient (1) peut être de toute nature, et de toute section. Il peut notamment être rigide, et dans ce cas là être réalisé en un carton relativement épais, éventuellement aluminisé.Such a container (1) can be of any kind, and of any section. It can in particular be rigid, and in this case be made of relatively thick cardboard, possibly aluminized.

Il peut être également réalisé en un matériau souple, tel que notamment une feuille de matériau plastique, destinée à constituer le corps de l'emballage. On confère à cette feuille la forme souhaitée au moyen d'un mandrin et de pinces venant prendre les bords extrêmes de la feuille afin de les faire se chevaucher bord à bord, typiquement sur une largeur de deux millimètres, puis assurer leur solidarisation sur toute leur hauteur, cette solidarisation étant typiquement réalisée par ultrasons, voire par collage ou thermocollage.It can also be made of a flexible material, such as in particular a sheet of plastic material, intended to constitute the body of the packaging. We give this sheet the desired shape by means of a mandrel and pliers coming to take the extreme edges of the sheet in order to make them overlap edge to edge, typically over a width of two millimeters, then secure them all over their height, this joining being typically carried out by ultrasound, or even by bonding or heat sealing.

Cette feuille est donc réalisée en matière synthétique, voire en carton, traitée de telle sorte à permettre le soudage par ultrasons ou thermocollage. Le corps ainsi réalisé reçoit à sa base un fond, typiquement constitué d'une coupelle, également réalisée en un matériau synthétique, et dont la forme et les dimensions correspondent bien entendu, à la forme et aux dimensions du corps réalisé lors de l'étape précédente.This sheet is therefore made of synthetic material, or even of cardboard, treated as such. so as to allow ultrasonic welding or heat sealing. The body thus produced receives at its base a bottom, typically consisting of a cup, also made of a synthetic material, and whose shape and dimensions correspond well understood, to the shape and dimensions of the body produced during the previous step.

La périphérie de cette coupelle présente une gorge au sein de laquelle est destinée à venir s'insérer l'extrémité inférieure dudit corps. Après insertion, il est procédé à une phase de collage ou soudage, afin d'assurer à ce niveau l'étanchéité et l'herméticité requises.The periphery of this cup has a groove within which is intended to insert the lower end of said body. After insertion, a bonding or welding phase, in order to ensure sealing and airtightness at this level required.

Le couvercle (2) conforme à l'invention est typiquement réalisé en matière plastique, et notamment en polypropylène, par injection en une ou plusieurs étapes.The cover (2) according to the invention is typically made of plastic, and in particular polypropylene, by injection in one or more stages.

Il comprend fondamentalement une bague périphérique (3), en l'espèce rigide, destinée à venir s'emmancher au niveau de l'extrémité supérieure du récipient (1) autour de sa périphérie, cette extrémité supérieure constituant l'ouverture d'accès et par ailleurs de vidange au et du contenu dudit récipient.It basically comprises a peripheral ring (3), in this case rigid, intended to be fitted at the upper end of the container (1) around its periphery, this upper end constituting the access opening and moreover emptying and the contents of said container.

Cette bague périphérique (3) reçoit un opercule (4), destiné, de manière connue, à assurer l'étanchéité du contenu du récipient (1) avant première utilisation. Pour ce faire, elle est munie d'une patte radiale (11), avantageusement issue de moulage, et destinée à servir de support pour ledit opercule (4), notamment lors de sa mise en place. Cette bague périphérique (3) est rapportée à ladite extrémité supérieure du corps par tout moyen traditionnel, tel que notamment collage ou thermocollage.This peripheral ring (3) receives a cover (4), intended, in known manner, to seal the contents of the container (1) before first use. For this make, it is provided with a radial tab (11), advantageously from molding, and intended to serve as a support for said cover (4), in particular when it is put in square. This peripheral ring (3) is attached to said upper end of the body by any traditional means, such as in particular bonding or heat-bonding.

Le couvercle proprement dit (6) est articulé au niveau d'une charnière (5) à la bague périphérique (3). Cependant, dans une autre forme de réalisation de l'invention non représentée, ledit couvercle peut être clipsé au niveau de l'un des bords de ladite bague (3).The actual cover (6) is hinged at a hinge (5) to the ring peripheral (3). However, in another embodiment of the invention not shown, said cover can be clipped at one of the edges of said ring (3).

Selon une caractéristique de l'invention, le fond (10) du couvercle (6) présente un réceptacle (7), avantageusement issu du moulage, et destiné à recevoir et contenir un agent actif, et typiquement un agent déshumidificateur (9), tel que par exemple un gel de silice ou de l'argile.According to a characteristic of the invention, the bottom (10) of the cover (6) has a receptacle (7), advantageously from molding, and intended to receive and contain a active agent, and typically a dehumidifying agent (9), such as for example a gel silica or clay.

Le couvercle (6), la bague périphérique (3) et le réceptacle (7) constituent avantageusement un ensemble monobloc, réalisé en matière plastique, et issu de moulage.The cover (6), the peripheral ring (3) and the receptacle (7) constitute advantageously a one-piece assembly, made of plastic, and derived from molding.

Le réceptacle (7) est alors défini par une saillie annulaire, ladite saillie étant avantageusement issue de moulage et s'étendant à partir du fond (10) du couvercle (6). Il s'étend sur une hauteur légèrement supérieure à la hauteur du couvercle, ainsi qu'on peut bien l'observer sur la figure 3. Dans une variante de l'invention non représentée, le couvercle est à ouverture partielle, de telle sorte à réaliser un bec verseur par exemple. Dans cette configuration, le réceptacle est situé sous la partie fixe du couvercle, l'opercule d'étanchéification du récipient étant alors ôté par coulissement, type système à glissières.The receptacle (7) is then defined by an annular projection, said projection being advantageously after molding and extending from the bottom (10) of the cover (6). It extends over a height slightly greater than the height of the cover, as we can clearly observe it in FIG. 3. In a variant of the invention not shown, the cover is partially open, so as to produce a spout by example. In this configuration, the receptacle is located under the fixed part of the lid, the seal for sealing the container then being removed by sliding, sliding system type.

Selon une autre forme de réalisation de l'invention non représentée, ledit réceptacle n'est pas issu de moulage avec le couvercle, mais rapporté sur le fond (10) dudit couvercle (6), notamment par clipsage ou encliquetage au niveau d'une bague ménagée à cet effet, notamment par moulage, au niveau dudit fond (10). Cette forme de réalisation présente l'avantage de pouvoir remplir le réceptacle (7) en agent actif (9), indépendamment de la réalisation ou de la pose du couvercle (6) sur l'emballage destiné à le recevoir. According to another embodiment of the invention not shown, said receptacle does not come from molding with the cover, but attached to the bottom (10) of said cover (6), in particular by clipping or snapping at a ring provided for this purpose, in particular by molding, at said bottom (10). This shape embodiment has the advantage of being able to fill the receptacle (7) with active agent (9), regardless of the construction or fitting of the cover (6) on the packaging intended to receive it.

Le réceptacle (7) est obturé au moyen d'un film ou opercule (8) poreux. Il peut être réalisé en polypropylène, et de manière générale en matière plastique, mais également en papier.The receptacle (7) is closed by means of a porous film or cover (8). He can be made of polypropylene, and generally of plastic, but also in paper.

Par porosité, on entend la capacité pour le film en question de laisser passer l'air ambiant, chargé d'humidité à l'intérieur du réceptacle (7), afin que l'agent actif qu'il contient puisse effectivement absorber cette humidité. En d'autres termes, l'air environnant ledit réceptacle (7) est susceptible de pouvoir pénétrer à l'intérieur de celui-ci. Ce faisant, l'humidité qu'il véhicule est absorbé par le déshumidificateur (9) qu'il contient.By porosity is meant the capacity for the film in question to allow air to pass ambient, charged with humidity inside the receptacle (7), so that the active agent which it contains can effectively absorb this moisture. In other words, the air surrounding said receptacle (7) is capable of being able to penetrate inside of this one. In doing so, the moisture it carries is absorbed by the dehumidifier (9) it contains.

Selon une caractéristique de l'invention, la hauteur relative du réceptacle (7) par rapport au fond (10) du couvercle (6) est choisie de telle sorte que lorsque le couvercle est fermé (figure 3), notamment par encliquetage sur la bague périphérique (3), le film ou opercule (8) vient en contact intime avec l'opercule (4) ménagé au niveau de la bague périphérique (3).According to a characteristic of the invention, the relative height of the receptacle (7) by relative to the bottom (10) of the cover (6) is chosen so that when the cover is closed (FIG. 3), in particular by snap-fastening on the peripheral ring (3), the film or cover (8) comes into intimate contact with the cover (4) formed at the level of the peripheral ring (3).

Cette intimité est avantageusement renforcée en augmentant légèrement la hauteur dudit réceptacle (7) de telle sorte à induire une flèche légère de l'opercule (4) de l'ordre de 2 à 3/10ème de millimètre sous l'action de la pression ainsi exercée par le réceptacle (7) en suite de la fermeture du couvercle (6).This privacy is advantageously reinforced by slightly increasing the height of said receptacle (7) so as to induce a slight deflection of the cover (4) of the order of 2 to 3/10 th of a millimeter under the action of pressure. thus exerted by the receptacle (7) following the closing of the cover (6).

Afin en outre de favoriser la tension de l'opercule (4) sous l'action de la pression exercée par le réceptacle (7) lors de la fermeture du couvercle (6), on oriente les pattes (11) de support dudit opercule vers le haut, et on choisit une épaisseur de matière appropriée pour les constituer, de telle sorte à assurer un effet élastique, également dirigé vers le haut. De sorte que, même sous l'action de la pression exercée par le réceptacle (7), l'opercule (4) demeure en permanence tendu, conférant dès lors un contact très ferme entre le film (8) et l'opercule (4), et partant, assurant l'étanchéité dudit réceptacle (7) nonobstant le caractère poreux du film (8).In addition to promote the tension of the cover (4) under the action of pressure exerted by the receptacle (7) when closing the cover (6), the legs are oriented (11) for supporting said cover upwards, and a material thickness is chosen suitable for constituting them, so as to ensure an elastic effect, also directed upwards. So that even under the action of the pressure exerted by the receptacle (7), the cover (4) remains permanently tensioned, thereby conferring a very firm contact between the film (8) and the cover (4), and therefore ensuring sealing said receptacle (7) notwithstanding the porous nature of the film (8).

En d'autres termes, avant toute première utilisation du récipient (1), le principe actif (9) contenu dans le réceptacle (7) n'est pas soumis à un environnement extérieur et les propriétés pour lesquelles il a été sélectionné ne sont donc pas altérées. In other words, before any first use of the container (1), the active principle (9) contained in the receptacle (7) is not subjected to an external environment and the properties for which it was selected are therefore not altered.

Après première ouverture, donc ouverture du couvercle (6), l'opercule (4) est enlevé de sorte qu'il n'y a plus alors fermeture étanche du réceptacle (7), compte tenu de la porosité du film (8). Ainsi, lors de la fermeture du couvercle (6), le principe actif (9) joue alors son rôle et assure, dans l'exemple décrit, une fonction de déshumidification.After first opening, therefore opening of the cover (6), the cover (4) is removed so that there is no longer a sealed closure of the receptacle (7), taking into account the film porosity (8). Thus, when the cover (6) is closed, the active principle (9) then plays its role and ensures, in the example described, a dehumidification function.

Bien évidemment, l'agent actif peut remplir d'autres propriétés en fonction du contenu du récipient (1). Il peut par exemple être un réhydratant ou un absorbeur d'oxygène. Dans cette configuration, le film (8) est microperforé, la dimensions des perforations étant alors fonction de la taille des molécules qu'il convient de laisser transiter.Obviously, the active agent can fulfill other properties depending on the content of the container (1). It can for example be a rehydrating agent or an oxygen absorber. In this configuration, the film (8) is microperforated, the dimensions of the perforations then being a function of the size of the molecules which should be allowed to transit.

L'agent actif peut également absorber ou émettre du dioxyde de carbone. Il peut également s'agir d'un absorbeur ou au contraire, d'un diffuseur d'odeur ou d'essences aromatiques, propres à accentuer l'odeur du produit contenu dans le récipient lors de son ouverture.The active agent can also absorb or emit carbon dioxide. he can also be an absorber or on the contrary, an odor or gasoline diffuser aromatic, capable of accentuating the odor of the product contained in the container during its opening.

Dans une autre forme de réalisation décrite en relation avec la figure 2, le réceptacle (7) est constitué non pas par une saillie annulaire, mais par l'intégralité du fond du couvercle (6). Dans cette configuration, le film ou opercule (8) s'étend selon sensiblement toute la surface du fond (10) afin d'assurer sa fonction d'obturation. Le film (8) est fixé sur une patte radiale, ménagée au niveau de la face latérale interne du couvercle (6), à la hauteur souhaitée.In another embodiment described in connection with Figure 2, the receptacle (7) is formed not by an annular projection, but by the entire bottom of the cover (6). In this configuration, the film or cover (8) extends according to substantially the entire surface of the bottom (10) to ensure its sealing function. The film (8) is fixed on a radial tab, formed at the level of the internal lateral face of the cover (6), at the desired height.

On conçoit dès lors du fait de la grande simplicité de réalisation du couvercle, les nombreuses applications auxquelles il est destiné.It is therefore conceivable because of the great simplicity of production of the cover, the many applications for which it is intended.

Compte-tenu du principe technique mis en oeuvre, il est possible de disposer tout à la fois d'un couvercle refermable à l'infini, assurant sa fonction première d'obturation d'un récipient, tout en lui conférant une fonction bien définie, telle que par exemple une déshumidification sans pour autant altérer les propriétés de l'agent actif en question avant première utilisation, de par la mise en place d'un film (8) coopérant avec l'opercule d'étanchéification du contenu du récipient ou de l'emballage.
De la sorte, il devient possible d'optimiser la durée de vie et de conservation de produits, notamment alimentaires.Taking into account the technical principle implemented, it is possible to have at the same time an infinitely closable lid, ensuring its primary function of closing a container, while giving it a well-defined function, such as for example dehumidification without altering the properties of the active agent in question before first use, by the installation of a film (8) cooperating with the seal for sealing the contents of the container or packaging.
In this way, it becomes possible to optimize the shelf life and conservation of products, especially food.

Claims (9)

  1. Device for closing off the opening of a container (1), comprising:
    first, a peripheral ring (3), designed to be attached near the top of the container (1), defining the opening for access to said container;
    a lid (6), attached (5) to the said ring (3), the said lid incorporating a receptacle (7) that can house an active agent (9), the said receptacle (7) being closed off by means of a closure member (8),
    characterized:
    in that the closure member (8) of the receptacle (7) consists of a porous or microperforated film or membrane;
    in that the peripheral ring (3) receives a cover (4) designed to seal closed the contents of the container (1) before a first use or opening; and
    in that the closure member (8) of the receptacle (7) is designed to come into close, intimate contact with the said cover (4) when the lid (6) is in the closed position, so as to ensure that the contents (9) of the said receptacle are sealed closed to prevent any deterioration in the properties of the said active agent (9) before the said container is first used or opened.
  2. Device for closing off the opening of a container (1) according to Claim 1, characterized in that the receptacle (7) is defined by an annular protuberance projecting from the bottom (10) of the lid.
  3. Device for closing off the opening of a container (1) according to Claim 1, characterized in that the receptacle (7) is defined by the bottom (10) of the lid (6) and by the closure film or membrane (8).
  4. Device for closing off the opening of a container (1) according to one of Claims 1 to 3, characterized in that the lid (6), the peripheral ring (3) and the receptacle (7) constitute a one-piece assembly made of plastic by moulding.
  5. Device for closing off the opening of a container (1) according to one of Claims 1 to 3, characterized in that the receptacle (7) is attached to the bottom (10) of the lid (6) by clipping or snap-fastening.
  6. Device for closing off the opening of a container (1) according to one of Claims 1 to 3 and 5, characterized in that the lid (6) is clipped onto the peripheral ring (3).
  7. Device for closing off the opening of a container (1) according to one of Claims 1 to 6, characterized in that the lid (6) is articulated to the peripheral ring (3) by means of a hinge (5).
  8. Device for closing off the opening of a container (1) according to one of Claims 1 to 7, characterized in that the active agent (9) is an agent chosen from the group comprising dehumidifiers, rehydrating agents, oxygen absorbers, carbon dioxide absorbers or diffusers, odour absorbers or diffusers, and mould inhibitors.
  9. Device for closing off the opening of a container (1) according to one of Claims 1 to 8, characterized in that the receptacle (7) exerts slight pressure on the cover (4) of the peripheral ring (3) when the lid (6) is in the closed position.
EP01954071A 2000-08-04 2001-07-11 Reversible closure device for container Expired - Lifetime EP1305230B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0010361A FR2812620B1 (en) 2000-08-04 2000-08-04 REVERSIBLE SEALING DEVICE FOR CONTAINER
FR0010361 2000-08-04
PCT/FR2001/002231 WO2002012086A1 (en) 2000-08-04 2001-07-11 Reversible closure device for container

Publications (2)

Publication Number Publication Date
EP1305230A1 EP1305230A1 (en) 2003-05-02
EP1305230B1 true EP1305230B1 (en) 2004-09-29

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ID=8853341

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Application Number Title Priority Date Filing Date
EP01954071A Expired - Lifetime EP1305230B1 (en) 2000-08-04 2001-07-11 Reversible closure device for container

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EP (1) EP1305230B1 (en)
AT (1) ATE277826T1 (en)
AU (1) AU2001276426A1 (en)
DE (1) DE60106051T2 (en)
DZ (1) DZ3392A1 (en)
ES (1) ES2228916T3 (en)
FR (1) FR2812620B1 (en)
MA (1) MA25770A1 (en)
PT (1) PT1305230E (en)
WO (1) WO2002012086A1 (en)

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EP1305230A1 (en) 2003-05-02
DZ3392A1 (en) 2002-02-14
PT1305230E (en) 2005-02-28
MA25770A1 (en) 2003-04-01
FR2812620A1 (en) 2002-02-08
WO2002012086A1 (en) 2002-02-14
FR2812620B1 (en) 2002-12-27
DE60106051D1 (en) 2004-11-04
ATE277826T1 (en) 2004-10-15
ES2228916T3 (en) 2005-04-16
DE60106051T2 (en) 2006-02-23
AU2001276426A1 (en) 2002-02-18

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