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EP2144822A2 - Locking device for reclosable package - Google Patents

Locking device for reclosable package

Info

Publication number
EP2144822A2
EP2144822A2 EP08805762A EP08805762A EP2144822A2 EP 2144822 A2 EP2144822 A2 EP 2144822A2 EP 08805762 A EP08805762 A EP 08805762A EP 08805762 A EP08805762 A EP 08805762A EP 2144822 A2 EP2144822 A2 EP 2144822A2
Authority
EP
European Patent Office
Prior art keywords
cover
container
central axis
opening
periphery
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.)
Withdrawn
Application number
EP08805762A
Other languages
German (de)
French (fr)
Inventor
Patrick Vandamme
Frédéric BOURDIN
Francis Lovell
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.)
Gervais Danone SA
Original Assignee
Gervais Danone 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 Gervais Danone SA filed Critical Gervais Danone SA
Publication of EP2144822A2 publication Critical patent/EP2144822A2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/22—Devices for holding in closed position, e.g. clips
    • 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
    • B65D2251/10—Details of hinged closures
    • B65D2251/1016—Means for locking the closure in closed position
    • B65D2251/1058—Latching mechanisms

Definitions

  • the present invention relates to a closable packaging intended in particular for a food product, which comprises a locking device of the closure system. More particularly, the invention relates to a package comprising:
  • a container extending along a central axis from a base to an upper face having an opening surrounded by a periphery extending generally in a horizontal plane;
  • a closure system comprising a lid hinged relative to the container between an open position and a closed position for which it covers the opening;
  • a device for locking the lid in the closed position comprising on the one hand a locking lug elastically deformable toward the central axis and extending from a base secured to the lid to a free end provided with a spout; and, on the other hand, a receptacle flange integral with the container, projecting towards the central axis and with which the spout engages in the closed position.
  • Such lock does by the positive engagement of the beak of the elastic tab with the grip rim is usually sufficiently firm to hold the lid in the closed position even in case of drop of the package, which is not always the case with a lid whose inner periphery is simply engaged with friction on the neck of the container.
  • the manipulation of the locking tab remains sufficiently simple and intuitive to obtain comfort of use satxslitis.
  • Such a device Locking is known from, for example, US-A-5,770,779.
  • US-A-5 570 779 protrudes from the housing, which, in the case of packaging, requires a larger volume and presents risks of damage during transport.
  • the present invention aims to provide an improved locking device, in particular by integration into the volume of the package, and with which a satisfactory tamper device can be associated.
  • the present invention relates to a packaging of the aforementioned type, characterized in that the cover has a depression opening radially outwards and adjacent to the container in the closed position, in which is arranged the locking tab, said locking tab having between its base and its beak an actuation zone accessible by the outlet of the depression to move the spout towards the central axis, and in that a tamperproof cover is immobilized relative to the cover by at less a frangible connection and arranged opposite the operating zone of the locking tab.
  • the integration of the locking tab into a depression of the cover implies that the latter and the engagement flange are arranged inside the overall external volume of the container and avoids protruding parts.
  • the inviolability device constituted by the hood has dimensions corresponding at most to the outlet of this depression, and it is not necessary to provide frangible elements on the locking tab itself. There is therefore no risk that the rupture of the tamper device will damage the locking lug or will subsequently disrupt its operation.
  • the catch flange is formed in the face top of the container by an elongate opening and oriented perpendicularly to the central axis;
  • the closure system further comprises a frame mounted on a neck of the container located near the periphery of the opening and wherein the engagement flange is formed by a portion of the inner periphery of the frame;
  • the periphery of the opening of the container is situated at least at the level of the upper face of the frame and in which a free space is provided between the portion of the frame forming the outlet flange and the portion of the periphery of the radially located opening. next to this portion;
  • the locking tab defines the bottom of the depression of the cover
  • the locking lug extends parallel to the central axis and has a generally rectangular cross section oriented perpendicularly to the central axis;
  • the tamperproof plate is arranged at the opening of the depression of the cover and shaped to extend in the extension of the outer profile of the cover;
  • the tamper evident plate has a gripping member, preferably made by a notch of the periphery of this plate; said at least one frangible connection comprises a bridge extending between the periphery of the tamper-evident plate and the opening of the depression of the cover, and preferably at least three branching bridges to prevent any pivoting of said plate without rupture of a ⁇ iroms one of the bridges;
  • the closure system comprising the frame and the lid, as well as the locking tab and the tamper member are made in one piece injection molded plastic material.
  • FIG. 1 is a perspective view of a package comprising a locking device according to the invention, with a lid provided with a tamper-proof cover in the open position;
  • FIG. 2 is an enlarged front view of the package of Figure 1 with the lid in the closed position;
  • FIG. 3 is a view similar to Figure 2 in which the tamper hood has been removed; and - Figure 4 is a partial sectional view along a plane whose trace IV-IV is visible in Figure 2.
  • FIG 1 there is shown a package 1 comprising a container 2, a closure system 3, a locking device 4 and a tamper device 5.
  • the container 2 has a bottom 21, or base, from which extends an annular side wall 22 along a vertical central axis Z to an upper face 23.
  • the upper face has a wide opening 24 surrounded by a periphery 25.
  • the periphery 25 extends essentially in a horizontal plane coinciding with the plane of the opening 24 and is formed by a flange extending radially towards the central axis Z But it is perfectly conceivable that this periphery is simply achieved by the thickness of the material constituting the side wall 22.
  • the container 2 has a cross section. perpendicular to the central axis Z, generally rectangular with rounded corners. This section varies somewhat along the central axis Z to form a gripping nip, but these variations are limited to ensure the vertical strength of stacked packages. Still for the sake of gripping, the cross section is preferably inscribed in a rectangle of 150 to 130 mm by 105 to 125 mm. The height of the bottom 21 to the upper face 23 is preferably between 130 and 170 mm to reach the usual volume of boxes for containing infant milk powder. It is therefore a relatively deep container that requires making the opening 24 in the widest possible manner to facilitate the removal of the powder near the bottom 21 of the container 2.
  • the periphery 25 of the opening of the container 2 has a first large side 25a, a second large opposite side 25b, and first and second short sides (25c, 25d) connecting the big sides.
  • the container 2 is made of a single piece of thermo-blown plastic material.
  • This plastic material is preferably a multilayer compound forming a very effective barrier to oxygen when it is a product such as milk powder. But, of course, it could be a container made of another material, including metal or multilayer cardboard.
  • the opening 24 of the container 2 is closed by a lid, not shown, which is sealingly sealed around the circumference 25.
  • the milk powder is perfectly preserved in the container
  • the container 2 has a neck 28 between the top of its annular wall 22 and the upper face 23, which is floor-right. As will be explained later, the presence of this neck 28 allows the mounting of a frame of the closure system 3.
  • the closure system 3 firstly comprises a cover 31 of relatively curved shape, so that it can be considered that it has a substantially flat upper portion 31a and an annular peripheral portion 31D substantially coaxial with the central axis Z .
  • the lid 31 also has an inner face 31c oriented towards the opening 24 in the closed position and which generally has the shape of a bowl because of the convex shape of the lid 31.
  • the closure system 3 further comprises a frame 32 mounted fittingly on the neck 28 of the container 2.0
  • the frame 32 is fixed irremovably to this part of the container, in particular by snapping, but this attachment could also be provided by gluing or welding.
  • the frame 32 has an outer periphery 32a5 extending in the extension of the side wall 22 of the container 2, followed by an inner horizontal flange 32b which forms the upper face of this frame.
  • the upper face 32b of the frame extends in a plane parallel to the plane of the opening 24 including the periphery 25, and C slightly below this plane.
  • the radially inner end of the flange 32c constitutes the inner periphery of the frame 32 adjacent to a ⁇ . 28 of the container.
  • the upper face 32b of the frame forms with the circumference 25 of the opening 24 the upper face 23 of the container part.
  • the cover 31 and the frame 32 are articulated to each other by a connection 34 allowing the cover 31 to be movable relative to the frame 32 and to the receptacle 2 between an open position, represented in FIG. 1, for which the opening 24 is widely accessible, and a closed position, shown in Figure 4, for which the cover 31 covers the opening. It is therefore a resealable package whose lid is handled with each use, for example for the preparation of bottles.
  • the link 34 is here a hinge connection whose pivot axis P is perpendicular to the central axis Z. More specifically, the pivot axis P is parallel and located near the first major side 25a of the periphery 25.
  • the hinge connection 34 can be obtained by two separate parts assembled, and it is also possible to provide another type of connection between the frame and the cover, or to do without a frame by adopting a removable cover mounted on the neck 28 of the container 2.
  • the inner face 31c of the lid has a belt ar.rula re ⁇ 37 extending downwardly in the direction of the Z axis to a free end 37a arranged to come near the periphery 25 ⁇ e the opening of the container 2, so as to increase the degree of closure of the container, without, however, making an airtight closure.
  • the locking device 4 comprises a tab
  • the locking device 4 is to prevent an unintentional exit of the product after a first opening when the lid 26 has been torn off, but is not intended to provide a tight closure such as it was obtained beforehand with the operculum. More particularly, as can be seen in FIG. 4, the locking lug 41 extends vertically downwards from a base 41a to a free end 41b which is located below the level of the upper face 23 defined by the periphery. 25 of the container 2 and the upper face 32b of the frame in the corresponding area.
  • the locking lug 41 has a cross section in the form of an elongated rectangle, the short side of which is visible in FIG. 4, and whose long side extends in a direction perpendicular to the central axis Z.
  • the locking tab is elastically deformable towards the central axis Z. Indeed, by exerting pressure with the finger or the thumb on an actuating zone 41c, located on the radially outer face of the tongue 41 between its base 41a and the end portion below the level of the upper face 23 of the container part, the user easily obtains a deformation along the line indicated in broken lines in FIG.
  • the actuating zone 41c could have ergonomic reliefs.
  • the cross section of the tab 41 is not necessarily a perfect rectangle.
  • the radially inner face of the tab 41 could have ribs to adjust its stiffness, and therefore the force required to move the free end 41b to the grip edge 42.
  • the free end 41b of the tongue 41 has a spout 43 oriented radially outwards with respect to the central axis Z.
  • the spout 43 generally has the shape of a projecting rib extending horizontally across the outer face locking tab 41 with a substantially triangular profile.
  • the Oec 43 thus has an upper face perpendicular to the tab 41, which is arranged to come immediately under the engagement flange 42 without any deformation and thus prohibit the opening to the lid 31.
  • the nose 43 has a lower face inclined with respect to the vertical which makes it possible to deform the tab 41 during the reclosing of the cover and the passage of the spout 43 to the side of the engagement flange 42 to reach the closed position shown in FIG.
  • the spout 43 could have a different profile, for example the shape of a bead, in particular with a profile of the engagement flange 42 substantially different from a rectangle.
  • the engagement flange 42 projects towards the central axis Z so as to have a free end located near the front face of the locking lug 41, and a lower face cooperating with the upper face of the spout 43 to prevent the opening of the cover in the absence of deformation of the locking tab 41.
  • the engagement flange 42 is constituted by ⁇ ne portion of the frame 32 located opposite the locking tab 41, and more specifically by the inner periphery ⁇ e the upper face 32b of the frame. To allow a trip of the end 41b of the locking tab, a free space 44 is formed between the setting record 42 and a cre ⁇ x portion 28b of the neck 28 of the container 2.
  • the upper face 23 of the container portion therefore has an opening constituted by the free space 44 in which the locking lug 41 may be debated.
  • This opening 44 does not affect the tightness of the container 2 sealed by a lid. Nevertheless, it is perfectly conceivable to achieve the engagement flange with the aid of a member protruding from the frame 32 or the periphery 25 of the container, or even with the aid of an opening passing through the periphery 25 of the container 2 , depending on the nature of the food product to retain or in case of presence of an internal sealing device.
  • the locking device 4 is arranged at a depression 41 formed in the side wall 31b of the cover 31 and extending up to the lower end of the cover.
  • the depression 47 has substantially the shape of a sphere portion so that its opening 47a seen from the front has substantially the shape of a semicircle. Nevertheless, the depression 47 could have a substantially different shape, for example deeper with an overall "U" mouth.
  • the shape of the depression 47 is chosen so that its layer 47b is sufficiently wide so that the user can easily operate with a finger on the operating zone 41c of the locking tab 41.
  • the locking tab 41 is arranged in the depression 47 so that no part thereof protrudes from the outer profile ⁇ e the entire lid. More specifically in the embodiment shown, the locking lug 41 constitutes a portion of the bottom of the depression 47 separated from the rest of the wall delimiting this depression by two vertical slots. This limits the depth of the depression 47 necessary to accommodate the locking lug 41, it being understood that the annular belt 37 of the lid 31 forms a barrier limiting the possibilities of exit of the product.
  • the engagement flange 42 is also arranged in this depression when the cover 31 is in the closed position, because of the need to cooperate with the spout 43 of the locking tab 41. Therefore, the assembly of the locking device 4 is integral in the outer profile of the entire lid, and even of the entire package 1 due to the correspondence between the profile of the lid and the container portion when the lower end of the cover 31 rests on the upper face 32b of the frame 32.
  • the inviolability device 5 comprises, meanwhile, a cover 51 arranged in the depression 47 of the cover, or slightly outside thereof, so as to prohibit access, at least manually, to the actuating zone 41c locking tab.
  • the tamperproof cover 51 is held facing the actuating zone 41c by frangible connections 52.
  • the tamperproof cover 51 is in the form of a plastic plate integrally formed with the cover 31 through the frangible links 52 which are in the form of bridges.
  • the tamperproof cover 51 is arranged at the level of the outlet 47a of the depression 47 and the plate which constitutes it is shaped to extend in the extension of the external profile of the assembly of the cover 31. This confers on the package a particularly aesthetic appearance and limits the possibility of snagging with any object during its cycle of use.
  • this embodiment of the tamperproof cover 51 requires a relatively small amount of plastic since the dimensions thereof do not exceed the surface of the outlet of the vacuum 47. Finally, the volume of the vacuum 47 can be minimized to house only the locking device, since the tamper device 5 does not extend into this depression.
  • the bridges 52 forming frangible connections extend between the outer periphery of the tamperproof cover 51 and the periphery 47a of the depression.
  • the bridges 52 are here four in number and located on either side of the area of the cover 51 facing the locking tab 41. But, of course, the number of bridges and their arrangement could be significantly different, and being understood that only three of these bridges to effectively immobilize the tamperproof cover 51.
  • the inviolability cover 51 could cover the entire surface of the outlet 47a of the depression, the bridges 52 can then be broken in the recess of the cover in the depression 47.
  • a notch 53 is formed in the periphery of the tamperproof cover 51, here in the lower part of this bonnet coming close to the frame 32, in order to facilitate the removal of this tamper device.
  • the notch 53 may be sized to partially slide the end of a finger and tear the hood 51 by an outward movement and upward.
  • the indentation 53 could be located at another place.
  • the notch 53 may be preferable to arrange the notch 53 in a zone of the cover 51 minus the actuating zone 41c of the locking tab, for example in the upper part of the hood which is located generally facing the base 41a. This in order to further reduce the possibilities of actuation of the locking tab 41 in particular with the aid of a pointed object. It could also be a slightly protruding relief for grasping the tamperproof cover 51.
  • the cycle of use of the package 1 can be carried out as follows. After injection molding of the entire closure device 3 with the locking and tamper devices (4, 5), a single piece is obtained which can be configured in the closed position by folding the cover 31 on the frame 32 Thanks to the locking and inviolability devices, this configuration is preserved.
  • the assembly thus formed can then be easily mounted on the container 2 previously filled and sealed, for example by snapping.
  • Package 1 is then ready for sale. Any attempt to open manually will cause a break in at least one of the links frangibies 52, and will therefore generally be easily detectable by the consumer.
  • the user will break the frangible links 52 of the tamper device 5 and thus access the locking device 4.
  • the user By a pressure exerted on the actuating zone 41c of the locking tab 41 and a slight traction upwards, the user then places the lid 31 in the open position. Subsequently, by closing the package 1, that is to say by folding the cover 31, the locking is automatically ensured by the snap of the spout 43 with the engagement flange 42. Then, for a new use, it suffices to exert pressure again on the actuating zone 41c to release the locking device 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Package comprising a receptacle (2) extending along a central axis (Z) up to a top face (23) having an opening (24), a closure system (3) comprising a cover (31) mounted so as to be articulated between an open position and a closed position, and a locking device (4) comprising a locking lug (41) that is elastically deformable towards the central axis (Z) fastened to the cover (31) and furnished with a snout (43), and a gripping edge (42) secured to the receptacle (2) with which the snout (43) engages in the closed position. The cover (31) has a recess (47) in which the locking lug (41) is arranged. The locking lug has an actuation zone (41c) that can be accessed via the outlet (47a) of the recess, and a tamper-proof cap (51) is immobilized relative to the cover (31) by at least one breakable connection (52) and is arranged facing the actuation zone (41c).

Description

DISPOSITIF DE VERROUILLAGE POUR EMBALLAGE REFERMABLE LOCKING DEVICE FOR REFERMABLE PACKAGING
La présente invention se rapporte a un emballage refermable destine notamment a un produit alimentaire, qui comporte un dispositif de verrouillage du système de fermeture. Plus particulièrement, l'invention se rapporte a un emballage comprenant :The present invention relates to a closable packaging intended in particular for a food product, which comprises a locking device of the closure system. More particularly, the invention relates to a package comprising:
- un récipient s' étendant selon un axe central depuis une base [jusqu'à une face supérieure présentant une ouverture entourée par un pourtour s' étendant globalement dans un plan horizontal ;a container extending along a central axis from a base to an upper face having an opening surrounded by a periphery extending generally in a horizontal plane;
- un système de fermeture comprenant un couvercle monte articule par rapport au récipient entre une position d'ouverture et une position de fermeture pour laquelle il recouvre l'ouverture ; et- A closure system comprising a lid hinged relative to the container between an open position and a closed position for which it covers the opening; and
- un dispositif de verrouillage du couvercle en position de fermeture, comprenant d'une part, une patte de verrouillage elastiquement deformable vers l'axe central et s' étendant depuis une base solidaire du couvercle jusqu'à une extrémité libre munie d'un bec, et d'autre part, un rebord de prise solidaire du récipient, faisant saillie vers l'axe central et avec lequel le bec vient en prise en position de fermeture.a device for locking the lid in the closed position, comprising on the one hand a locking lug elastically deformable toward the central axis and extending from a base secured to the lid to a free end provided with a spout; and, on the other hand, a receptacle flange integral with the container, projecting towards the central axis and with which the spout engages in the closed position.
CJn tel verrouillage réalise par l'engagement positif du bec de la patte élastique avec le rebord de prise est généralement suffisamment ferme pour maintenir le couvercle en position de fermeture même en cas de chute de l'emballage, ce qui n'est pas toujours le cas avec un couvercle dont la périphérie intérieure est simplement engagée avec friction sur le col du récipient. D'autre part, la manipulation de la languette de verrouillage reste suffisamment simple et intuitive pour obtenir un confort d'utilisation satxsfaisant . Un tel dispositif de verrouillage est connu par exemple du document US-A- 5 770 779.Such lock does by the positive engagement of the beak of the elastic tab with the grip rim is usually sufficiently firm to hold the lid in the closed position even in case of drop of the package, which is not always the case with a lid whose inner periphery is simply engaged with friction on the neck of the container. On the other hand, the manipulation of the locking tab remains sufficiently simple and intuitive to obtain comfort of use satxsfaisant. Such a device Locking is known from, for example, US-A-5,770,779.
Néanmoins, il existe un besoin pour intégrer le plus possible de tels dispositifs de verrouillage dans le volume global du récipient, à la fois pour des raisons esthétiques et des raisons techniques. En effet, un dispositif de verrouillage tel que décrit dans le documentNevertheless, there is a need to integrate as much as possible such locking devices in the overall volume of the container, both for aesthetic reasons and technical reasons. Indeed, a locking device as described in the document
US-A-5 570 779 fait saillie par rapport au boitier, ce qui, dans le cas d'emballages, nécessite un volume plus important et présente des risques d' endommagement pendant le transport.US-A-5 570 779 protrudes from the housing, which, in the case of packaging, requires a larger volume and presents risks of damage during transport.
De plus, dans le cas d'emballages pour un produit alimentaire exposés dans des magasins en libre service, il est important de prévoir un dispositif d' inviolabilité indiquant l'ouverture de l'emballage. De nombreuses solutions existent pour les dispositifs d'inviolabilité, comme par exemple des bandes arrachables reliant le couvercle au récipient. Mais dans le cas d'un couvercle de grandes dimensions, ce genre de bandes d'inviolabilité arrachables peut entraîner une consommation de matière plastique relativement importante et laisser apparaître un creux relativement inesthétique dans lequel des souillures peuvent s'accumuler au cours de l'utilisation de l'emballage. D'autre part, dans le cas d'un organe de verrouillage élastiquement déformable, il est connu d'assurer l'inviolabilité en immobilisant celui-ci jusqu'à la première utilisation par des pontets frangibles le reliant directement au couvercle. Néanmoins, après la rupture de ces pontets, des aspérités de matière plastique subsistent. Celles-ci peuvent venir interférer entre elles lors de l' actîonnement de cet élément de verrouillage, voire venir en contact avec l'utilisateur et procurer une sensation désagréable. La présente invention a donc pour but de proposer un dispositif de verrouillage amélioré, notamment par une intégration dans le volume de l'emballage, et avec lequel un dispositif d' inviolabilité satisfaisant peut être associé.In addition, in the case of packaging for a food product exposed in self-service stores, it is important to provide a tamper-evident device indicating the opening of the packaging. Many solutions exist for tamper-proof devices, such as tear-off strips connecting the lid to the container. But in the case of a large cover, these kind of tearproof tamper evident strips can lead to a relatively large consumption of plastic and reveal a relatively unsightly hollow in which dirt can accumulate during use of the packaging. On the other hand, in the case of an elastically deformable locking member, it is known to ensure the inviolability by immobilizing it until the first use by frangible bridges connecting directly to the cover. Nevertheless, after the breakage of these bridges, plastic asperities remain. These may interfere with each other during the locking of this locking element, or even come into contact with the user and provide an unpleasant sensation. The present invention therefore aims to provide an improved locking device, in particular by integration into the volume of the package, and with which a satisfactory tamper device can be associated.
A cet effet, la présente invention a pour objet un emballage du type précité, caractérisé en ce que le couvercle présente une dépression débouchant radialement vers l'extérieur et adjacente au récipient en position de fermeture, dans laquelle est agencée la patte de verrouillage, ladite patte de verrouillage présentant entre sa base et son bec une zone d' actionnement accessible par le débouché de la dépression pour déplacer le bec vers l'axe central, et en ce qu'un capot d'inviolabilité est immobilisée par rapport au couvercle par au moins une liaison frangible et agencé en regard de la zone d' actionnement de la patte de verrouillage.For this purpose, the present invention relates to a packaging of the aforementioned type, characterized in that the cover has a depression opening radially outwards and adjacent to the container in the closed position, in which is arranged the locking tab, said locking tab having between its base and its beak an actuation zone accessible by the outlet of the depression to move the spout towards the central axis, and in that a tamperproof cover is immobilized relative to the cover by at less a frangible connection and arranged opposite the operating zone of the locking tab.
L' intégration de la patte de verrouillage dans une dépression du couvercle implique que celle-ci et le rebord de prise sont agencés à l' intérieur du volume extérieur global du récipient et évite des parties saillantes. D'autre part, le dispositif d'inviolabilité constitué par le capot a des dimensions correspondant au plus au débouché de cette dépression, et il n'est pas nécessaire de prévoir des éléments frangibles sur la patte de verrouillage elle- même. Il n'y a donc pas de risque que la rupture du dispositif d' inviolabilité endommage la patte de verrouillage ou vienne par la suite perturber son fonctionnement . Dans des modes de réalisation préférés de l'invention, on a recours, en outre, à l'une ou l'autre des dispositions suivantes :The integration of the locking tab into a depression of the cover implies that the latter and the engagement flange are arranged inside the overall external volume of the container and avoids protruding parts. On the other hand, the inviolability device constituted by the hood has dimensions corresponding at most to the outlet of this depression, and it is not necessary to provide frangible elements on the locking tab itself. There is therefore no risk that the rupture of the tamper device will damage the locking lug or will subsequently disrupt its operation. In preferred embodiments of the invention, use is also made of one or other of the following provisions:
- le rebord de prise est formé dans la face supérieure du récipient par une ouverture allongée et orientée perpendiculairement a l'axe central ;- the catch flange is formed in the face top of the container by an elongate opening and oriented perpendicularly to the central axis;
- le système de fermeture comprend en outre un cadre monte sur un col du récipient situe a proximité du pourtour de l'ouverture et dans lequel le rebord de prise est forme par une portion du pourtour intérieur du cadre ;- The closure system further comprises a frame mounted on a neck of the container located near the periphery of the opening and wherein the engagement flange is formed by a portion of the inner periphery of the frame;
- le pourtour de l'ouverture du récipient est situe au moins au niveau de la face supérieure du cadre et dans lequel un espace libre est ménage entre la portion du cadre formant le rebord de prise et la portion du pourtour de l'ouverture située radialement en regard de cette portion ;the periphery of the opening of the container is situated at least at the level of the upper face of the frame and in which a free space is provided between the portion of the frame forming the outlet flange and the portion of the periphery of the radially located opening. next to this portion;
- la patte de verrouillage délimite le fond de la dépression du couvercle ;- The locking tab defines the bottom of the depression of the cover;
- la patte de verrouillage s'étend parallèlement a l'axe central et présente une section transversale globalement rectangulaire orientée perpendiculairement a l'axe central ;the locking lug extends parallel to the central axis and has a generally rectangular cross section oriented perpendicularly to the central axis;
- la plaque d' inviolabilité est agencée au niveau du débouche de la dépression du couvercle et conformée pour s'étendre dans le prolongement du profil extérieur du couvercle ;- The tamperproof plate is arranged at the opening of the depression of the cover and shaped to extend in the extension of the outer profile of the cover;
- la plaque d' inviolabilité présente un organe de prise, réalise de préférence par une echancrure de la périphérie de cette plaque ; - ladite au moins une liaison frangible comprend un pontet s' étendant entre la périphérie de la plaque d'inviolabilité et le débouche de la dépression du couvercle, et de préférence au moins trois pontets agences pour interdire tout pivotement de ladite plaque sans rupture d'a^ iroms l'un des pontets ;- The tamper evident plate has a gripping member, preferably made by a notch of the periphery of this plate; said at least one frangible connection comprises a bridge extending between the periphery of the tamper-evident plate and the opening of the depression of the cover, and preferably at least three branching bridges to prevent any pivoting of said plate without rupture of a ^ iroms one of the bridges;
- le système de fermeture comprenant le cadre et le couvercle, ainsi que la languette de verrouillage et l'organe d' inviolabilité sont réalises en une seule pièce de matière plastique moulée par injection.- The closure system comprising the frame and the lid, as well as the locking tab and the tamper member are made in one piece injection molded plastic material.
D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre, donnée à titre d'exemple non limitatif, en référence aux figures dans lesquelles :Other features and advantages of the invention will emerge from the following description, given by way of non-limiting example, with reference to the figures in which:
- la figure 1 est une vue en perspective d'un emballage comprenant un dispositif de verrouillage selon l'invention, avec un couvercle muni d'un capot d' inviolabilité en position d' ouverture ; - la figure 2 est une vue de face agrandie de l'emballage de la figure 1 avec le couvercle en position de fermeture ;- Figure 1 is a perspective view of a package comprising a locking device according to the invention, with a lid provided with a tamper-proof cover in the open position; - Figure 2 is an enlarged front view of the package of Figure 1 with the lid in the closed position;
- la figure 3 est une vue analogue à la figure 2 dans laquelle le capot d' inviolabilité a été retiré ; et - la figure 4 est une vue en coupe partielle selon un plan dont la trace IV-IV est visible sur la figure 2.- Figure 3 is a view similar to Figure 2 in which the tamper hood has been removed; and - Figure 4 is a partial sectional view along a plane whose trace IV-IV is visible in Figure 2.
Sur les différentes figures, des références identiques indiquent des éléments identiques ou similaires.In the various figures, identical references indicate identical or similar elements.
A la figure 1, est représenté un emballage 1 comprenant un récipient 2, un système de fermeture 3, un dispositif de verrouillage 4 et un dispositif d'inviolabilité 5.In Figure 1, there is shown a package 1 comprising a container 2, a closure system 3, a locking device 4 and a tamper device 5.
Le récipient 2 présente un fond 21, ou base, à partir duquel s'étend une paroi latérale annulaire 22 selon un axe central vertical Z jusqu'à une face supérieure 23.The container 2 has a bottom 21, or base, from which extends an annular side wall 22 along a vertical central axis Z to an upper face 23.
La face supérieure présente une large ouverture 24 entourée par un pourtour 25. Le pourtour 25 s'étend essentiellement dans un plan horizontal confondu avec le plan de l'ouverture 24 et est formé par une collerette s' étendant radiaiement vers l'axe centrai Z. Mais il est parfaitement envisageable que ce pourtour soit simplement réalisé par l'épaisseur du matériau constituant la paroi latérale 22.The upper face has a wide opening 24 surrounded by a periphery 25. The periphery 25 extends essentially in a horizontal plane coinciding with the plane of the opening 24 and is formed by a flange extending radially towards the central axis Z But it is perfectly conceivable that this periphery is simply achieved by the thickness of the material constituting the side wall 22.
Le récipient 2 présente une section transversale. perpendiculaire à l'axe central Z, globalement rectangulaire avec des coins arrondis. Cette section varie quelque peu le long de l'axe central Z pour former un rétreint de préhension, mais ces variations restent limitées pour assurer la résistance verticale des emballages empilés. Toujours pour des raisons de préhension, la section transversale est de préférence inscrite dans un rectangle de 150 à 130 mm par 105 à 125 mm. La hauteur du fond 21 à la face supérieure 23 est de préférence comprise entre 130 et 170 mm pour atteindre le volume habituel des boîtes destinées à contenir du lait infantile en poudre. Il s'agit donc d'un récipient relativement profond qui nécessite de réaliser l'ouverture 24 de la manière la plus large possible pour faciliter le prélèvement de la poudre à proximité du fond 21 du récipient 2.The container 2 has a cross section. perpendicular to the central axis Z, generally rectangular with rounded corners. This section varies somewhat along the central axis Z to form a gripping nip, but these variations are limited to ensure the vertical strength of stacked packages. Still for the sake of gripping, the cross section is preferably inscribed in a rectangle of 150 to 130 mm by 105 to 125 mm. The height of the bottom 21 to the upper face 23 is preferably between 130 and 170 mm to reach the usual volume of boxes for containing infant milk powder. It is therefore a relatively deep container that requires making the opening 24 in the widest possible manner to facilitate the removal of the powder near the bottom 21 of the container 2.
Du fait de cette section globalement rectangulaire, on peut considérer que le pourtour 25 de l'ouverture du récipient 2 présente un premier grand côté 25a, un deuxième grand côté opposé 25b, et des premier et deuxième petits côtés (25c, 25d) reliant les grands côtés.Because of this generally rectangular section, it can be considered that the periphery 25 of the opening of the container 2 has a first large side 25a, a second large opposite side 25b, and first and second short sides (25c, 25d) connecting the big sides.
Le récipient 2 est réalisé en une seule pièce de matière plastique thermo-soufflée . Cette matière plastique est de préférence un composé multicouches formant une barrière très efficace à l'oxygène lorsqu'il s'agit d'un produit comme de la poudre de lait. Mais, bien entendu, il pourrait s'agir d'un récipient réalisé dans un autre matériau, notamment en métal ou en carton multicouches.The container 2 is made of a single piece of thermo-blown plastic material. This plastic material is preferably a multilayer compound forming a very effective barrier to oxygen when it is a product such as milk powder. But, of course, it could be a container made of another material, including metal or multilayer cardboard.
Dans le cas de poudre de lait, l'ouverture 24 du récipient 2 est fermée par un opercule, non représenté, qui est scellé de manière étanche sur le pourtour 25. Ainsi, la poudre de lait est parfaitement préservée dans le récipientIn the case of milk powder, the opening 24 of the container 2 is closed by a lid, not shown, which is sealingly sealed around the circumference 25. Thus, the milk powder is perfectly preserved in the container
2 jusqu'à la première utilisation, lors de laquelle l'opercule 26 est arrache.2 until the first use, during which the lid 26 is tear off.
Comme cela est mieux visible a la figure 4, le récipient 2 présente un col 28 entre le sommet de sa paroi annulaire 22 et la face supérieure 23, qui est étage par 5 erdroit. Comme cela sera explicite après, la présence de ce col 28 permet le montage d'un cadre du système de fermeture 3.As best seen in Figure 4, the container 2 has a neck 28 between the top of its annular wall 22 and the upper face 23, which is floor-right. As will be explained later, the presence of this neck 28 allows the mounting of a frame of the closure system 3.
Le système de fermeture 3 comprend tout d'abord un couvercle 31 de forme relativement bombée, de sorte qu'on0 peut considérer que celui-ci présente une portion supérieure 31a sensiblement plane et une portion périphérique annulaire 31D sensiblement coaxiale avec l'axe central Z.The closure system 3 firstly comprises a cover 31 of relatively curved shape, so that it can be considered that it has a substantially flat upper portion 31a and an annular peripheral portion 31D substantially coaxial with the central axis Z .
Le couvercle 31 présente également une face5 intérieure 31c orientée vers l'ouverture 24 en position fermée et qui présente globalement la forme d'une cuvette du fait de la forme bombée du couvercle 31.The lid 31 also has an inner face 31c oriented towards the opening 24 in the closed position and which generally has the shape of a bowl because of the convex shape of the lid 31.
Le système de fermeture 3 comporte de plus un cadre 32 monte de manière ajustée sur le col 28 du récipient 2.0 Le cadre 32 est fixe de manière inamovible a cette partie du récipient, notamment par encliquetage, mais cette fixation pourrait être également assurée par collage ou soudage .The closure system 3 further comprises a frame 32 mounted fittingly on the neck 28 of the container 2.0 The frame 32 is fixed irremovably to this part of the container, in particular by snapping, but this attachment could also be provided by gluing or welding.
Le cadre 32 présente une périphérie extérieure 32a5 s' étendant dans le prolongement de la paroi latérale 22 du récipient 2, suivie d'une aile horizontale intérieure 32b qui forme la face supérieure de ce cadre. La face supérieure 32b du cadre s'étend dans un plan parallèle au plan de l'ouverture 24 comprenant le pourtour 25, etC légèrement en dessous de ce plan. L' extrémité radialement intérieure de l'aile 32c constitue la périphérie intérieure du cadre 32 adjacente a^. coi 28 du récipient.The frame 32 has an outer periphery 32a5 extending in the extension of the side wall 22 of the container 2, followed by an inner horizontal flange 32b which forms the upper face of this frame. The upper face 32b of the frame extends in a plane parallel to the plane of the opening 24 including the periphery 25, and C slightly below this plane. The radially inner end of the flange 32c constitutes the inner periphery of the frame 32 adjacent to a ^ . 28 of the container.
La face supérieure 32b du cadre forme avec le pourtour 25 de l'ouverture 24 la face supérieure 23 de la partie récipient.The upper face 32b of the frame forms with the circumference 25 of the opening 24 the upper face 23 of the container part.
Le couvercle 31 et le cadre 32 sont articules entre eux par une liaison 34 permettant au couvercle 31 d'être mobile par rapport au cadre 32 et au récipient 2 entre une position d'ouverture, représentée a la figure 1, pour laquelle l'ouverture 24 est largement accessible, et une position de fermeture, représentée a la figure 4, pour laquelle le couvercle 31 vient recouvrir cette ouverture. II s'agit donc d'un emballage refermable dont le couvercle est manipulé à chaque utilisation, par exemple pour la préparation de biberons.The cover 31 and the frame 32 are articulated to each other by a connection 34 allowing the cover 31 to be movable relative to the frame 32 and to the receptacle 2 between an open position, represented in FIG. 1, for which the opening 24 is widely accessible, and a closed position, shown in Figure 4, for which the cover 31 covers the opening. It is therefore a resealable package whose lid is handled with each use, for example for the preparation of bottles.
La liaison 34 est ici une liaison charnière dont l'axe de pivotement P est perpendiculaire à l'axe central Z. Plus précisément, l'axe de pivotement P est parallèle et situe à proximité du premier grand côté 25a du pourtour 25.The link 34 is here a hinge connection whose pivot axis P is perpendicular to the central axis Z. More specifically, the pivot axis P is parallel and located near the first major side 25a of the periphery 25.
Dans le mode de réalisation représenté, il s'agit d'une charnière plastique formée par une ligne de pliage, qui permet de réaliser le couvercle 31 et le cadre 32 en une seule pièce. II s'agit d'une pièce obtenue par injection dans un moule d'une matière plastique, comme par exemple du polypropylène . Mais, bien entendu, la liaison charnière 34 peut être obtenue par deux pièces distinctes assemblées, et il est également possible de prévoir un autre type de liaison entre le cadre et le couvercle, voire de se passer de cadre en adoptant un couvercle monté amovible sur le col 28 du récipient 2.In the embodiment shown, it is a plastic hinge formed by a fold line, which allows for the cover 31 and the frame 32 in one piece. This is a part obtained by injection into a mold of a plastic material, such as for example polypropylene. But, of course, the hinge connection 34 can be obtained by two separate parts assembled, and it is also possible to provide another type of connection between the frame and the cover, or to do without a frame by adopting a removable cover mounted on the neck 28 of the container 2.
Comme cela est visible aux figures 1 et 4, la face intérieure 31c du couvercle, présente une ceinture ar.rula^re 37 s 'étendant vers le bas selon la direction de l'axe Z jusqu'à une extrémité libre 37a agencée pour venir a proximité du pourtour 25 αe l'ouverture du récipient 2, de manière a augmenter ie degré de fermeture du récipient, sans toutefois réaliser une fermeture étanche à l'air.As shown in Figures 1 and 4, the inner face 31c of the lid, has a belt ar.rula re ^ 37 extending downwardly in the direction of the Z axis to a free end 37a arranged to come near the periphery 25 αe the opening of the container 2, so as to increase the degree of closure of the container, without, however, making an airtight closure.
Le dispositif de verrouillage 4 comprend une patteThe locking device 4 comprises a tab
41 solidaire du couvercle 31 venant en prise avec un rebord41 secured to the lid 31 engaging a rim
42 solidaire du récipient 2. Le dispositif de verrouillage 4 a pour but d'éviter une sortie involontaire du produit après une première ouverture lorsque l'opercule 26 a été arraché, mais n'a pas pour but de réaliser une fermeture étanche telle qu'elle a été obtenue préalablement avec l' opercule . Plus particulièrement, comme cela est visible à la figure 4, la patte de verrouillage 41 s'étend verticalement vers le bas depuis une base 41a jusqu'à une extrémité libre 41b qui est située sous le niveau de la face supérieure 23 définie par le pourtour 25 du récipient 2 et la face supérieure 32b du cadre dans la zone correspondante. La patte de verrouillage 41 présente une section transversale en forme de rectangle allongé dont le petit côté est visible sur la figure 4, et dont le grand côté s'étendent selon une direction perpendiculaire à l'axe central Z. De par cette forme et sa nature en matière plastique, la patte de verrouillage est élastiquement déformable vers l'axe central Z. En effet, en exerçant une pression avec le doigt ou le pouce sur une zone d' actionnement 41c, située sur la face radialement extérieure de la languette 41 entre sa base 41a et la partie d'extrémité située sous le niveau de la face supérieure 23 de la partie formant récipient, l'utilisateur obtient aisément une déformation selon la ligne indiquée en traits discontinus à la figure 4.The purpose of the locking device 4 is to prevent an unintentional exit of the product after a first opening when the lid 26 has been torn off, but is not intended to provide a tight closure such as it was obtained beforehand with the operculum. More particularly, as can be seen in FIG. 4, the locking lug 41 extends vertically downwards from a base 41a to a free end 41b which is located below the level of the upper face 23 defined by the periphery. 25 of the container 2 and the upper face 32b of the frame in the corresponding area. The locking lug 41 has a cross section in the form of an elongated rectangle, the short side of which is visible in FIG. 4, and whose long side extends in a direction perpendicular to the central axis Z. By this shape and its Plastic nature, the locking tab is elastically deformable towards the central axis Z. Indeed, by exerting pressure with the finger or the thumb on an actuating zone 41c, located on the radially outer face of the tongue 41 between its base 41a and the end portion below the level of the upper face 23 of the container part, the user easily obtains a deformation along the line indicated in broken lines in FIG.
Ii est à noter que la zone d' actionnement 41c pourrait présenter des reliefs ergonomiques. D'autre part, la section transversale de la patte 41 n'est pas nécessairement un rectangle parfait. La face radiaiement intérieure de la patte 41 pourrait présenter des nervures pour ajuster sa rigidité, et donc la force nécessaire pour éloigner l'extrémité libre 41b au rebord de prise 42.It should be noted that the actuating zone 41c could have ergonomic reliefs. On the other hand, the cross section of the tab 41 is not necessarily a perfect rectangle. The radially inner face of the tab 41 could have ribs to adjust its stiffness, and therefore the force required to move the free end 41b to the grip edge 42.
L'extrémité libre 41b de la languette 41 présente un bec 43 oriente radialement vers l'extérieur par rapport a l'axe central Z. Le bec 43 présente globalement la forme d'une nervure saillante s' étendant horizontalement en travers de la face extérieure de la patte de verrouillage 41 avec un profil sensiblement triangulaire. Le Oec 43 présente ainsi une face supérieure perpendiculaire a la patte 41, qui est agence pour venir immédiatement sous le rebord de prise 42 en dehors de toute déformation et ainsi interdire l'ouverture au couvercle 31. D'autre part, le bec 43 présente une face inférieure inclinée par rapport a la verticale qui permet de déformer la patte 41 lors de la refermeture du couvercle et le passage du bec 43 à côte du rebord de prise 42 pour atteindre la position de fermeture représentée à la figure 4. Néanmoins, pour obtenir un tel encliquetage , il n'est pas absolument nécessaire que le bec ait un tel profil. En effet, le bec 43 pourrait avoir un profil différent, par exemple la forme d'un bourrelet, notamment avec un profil du rebord de prise 42 sensiblement différent d'un rectangle.The free end 41b of the tongue 41 has a spout 43 oriented radially outwards with respect to the central axis Z. The spout 43 generally has the shape of a projecting rib extending horizontally across the outer face locking tab 41 with a substantially triangular profile. The Oec 43 thus has an upper face perpendicular to the tab 41, which is arranged to come immediately under the engagement flange 42 without any deformation and thus prohibit the opening to the lid 31. On the other hand, the nose 43 has a lower face inclined with respect to the vertical which makes it possible to deform the tab 41 during the reclosing of the cover and the passage of the spout 43 to the side of the engagement flange 42 to reach the closed position shown in FIG. to obtain such a snap, it is not absolutely necessary that the spout has such a profile. Indeed, the spout 43 could have a different profile, for example the shape of a bead, in particular with a profile of the engagement flange 42 substantially different from a rectangle.
Le rebord de prise 42 fait saillie vers l'axe central Z de manière a présenter une extrémité libre située a proximité de la face avant de la patte de verrouillage 41, et une face inférieure coopérant avec la face supérieure du bec 43 pour interdire l'ouverture du couvercle en l'absence de déformation de la patte de verrouillage 41. Dans le mode de réalisation représenté, le rebord de prise 42 est constitue par αne portion du cadre 32 situe en regard de la patte de verrouillage 41, et plus précisément par la périphérie intérieure αe la face supérieure 32b du cadre. Afin de permettre un debattement de l'extrémité 41b de la patte de verrouillage, un espace libre 44 est forme entre le record de prise 42 et une portion en creαx 28b du col 28 du récipient 2. La face supérieure 23 de la partie formant récipient présente donc une ouverture constituée par l'espace libre 44 dans laquelle peut débattre la patte de verrouillage 41. Cette ouverture 44 n'affecte pas l'etancheité du récipient 2 scelle par un opercule. Néanmoins, il est parfaitement envisageable de réaliser le rebord de prise a l'aide d'un organe faisant saillie par rapport au cadre 32 ou au pourtour 25 du récipient, voire a l'aide d'une ouverture traversant le pourtour 25 du récipient 2, selon la nature du produit alimentaire a conserver ou en cas de présence d'un dispositif d' etancheite intérieur. II est a noter que le dispositif de verrouillage 4 est agence au niveau d'une dépression 41 formée dans la paroi latérale 31b du couvercle 31 et s' étendant }usqu'a l'extrémité inférieure du couvercle. Il s'agit ici d'une portion en creux de la paroi extérieure du couvercle 31 faisant globalement saillie vers l'axe central Z et présentant un débouche 47a radialement extérieur qui est délimite par la rupture de géométrie avec le profil extérieur de l'ensemble du couvercle. La dépression 47 a sensiblement la forme d'une portion de sphère de sorte que son débouche 47a vu de face a sensiblement la forme d'un demi-cercle. Néanmoins, la dépression 47 pourrait avoir une forme sensiblement différente, par exemple plus profonde avec un débouche globalement en « U ». La forme de la dépression 47 est toutefois choisie de manière a ce que son αebouche 47b soit suffisarurtent large pour que l'utilisateur puisse agir facilement avec un doigt sur la zone d' act ionnement 41c de la patte de verrouillage 41.The engagement flange 42 projects towards the central axis Z so as to have a free end located near the front face of the locking lug 41, and a lower face cooperating with the upper face of the spout 43 to prevent the opening of the cover in the absence of deformation of the locking tab 41. In the embodiment shown, the engagement flange 42 is constituted by αne portion of the frame 32 located opposite the locking tab 41, and more specifically by the inner periphery αe the upper face 32b of the frame. To allow a trip of the end 41b of the locking tab, a free space 44 is formed between the setting record 42 and a creαx portion 28b of the neck 28 of the container 2. The upper face 23 of the container portion therefore has an opening constituted by the free space 44 in which the locking lug 41 may be debated. This opening 44 does not affect the tightness of the container 2 sealed by a lid. Nevertheless, it is perfectly conceivable to achieve the engagement flange with the aid of a member protruding from the frame 32 or the periphery 25 of the container, or even with the aid of an opening passing through the periphery 25 of the container 2 , depending on the nature of the food product to retain or in case of presence of an internal sealing device. It should be noted that the locking device 4 is arranged at a depression 41 formed in the side wall 31b of the cover 31 and extending up to the lower end of the cover. This is a recessed portion of the outer wall of the cover 31 generally projecting towards the central axis Z and having a radially outer outlet 47a which is defined by the geometry break with the outer profile of the assembly. of the lid. The depression 47 has substantially the shape of a sphere portion so that its opening 47a seen from the front has substantially the shape of a semicircle. Nevertheless, the depression 47 could have a substantially different shape, for example deeper with an overall "U" mouth. The shape of the depression 47, however, is chosen so that its layer 47b is sufficiently wide so that the user can easily operate with a finger on the operating zone 41c of the locking tab 41.
La patte de verrouillage 41 est agencée dans la dépression 47 de sorte qu'aucune partie de celle-ci ne fait saillie par rapport au profil extérieur αe l'ensemble du couvercle. Plus précisément dans le mode de réalisation représente, la patte de verrouillage 41 constitue une partie du fond de la dépression 47 séparée du reste de la paroi délimitant cette dépression par deux fentes verticales. Ceci limite la profondeur de la dépression 47 nécessaire pour loger la patte de verrouillage 41, étant entendu que la ceinture annulaire 37 du couvercle 31 forme une barrière limitant les possibilités de sortie du produit .The locking tab 41 is arranged in the depression 47 so that no part thereof protrudes from the outer profile αe the entire lid. More specifically in the embodiment shown, the locking lug 41 constitutes a portion of the bottom of the depression 47 separated from the rest of the wall delimiting this depression by two vertical slots. This limits the depth of the depression 47 necessary to accommodate the locking lug 41, it being understood that the annular belt 37 of the lid 31 forms a barrier limiting the possibilities of exit of the product.
Comme on le comprendra, le rebord de prise 42 est également agence dans cette dépression lorsque le couvercle 31 est en position de fermeture, du fait de la nécessite de coopérer avec le bec 43 de la patte de verrouillage 41. Par conséquent, l'ensemble du dispositif de verrouillage 4 est intègre dans le profil extérieur de l'ensemble du couvercle, et même de l'ensemble de l'emballage 1 du fait de la correspondance entre le profil du couvercle et de la partie formant récipient lorsque l'extrémité inférieure du couvercle 31 repose sur la face supérieure 32b du cadre 32.As will be understood, the engagement flange 42 is also arranged in this depression when the cover 31 is in the closed position, because of the need to cooperate with the spout 43 of the locking tab 41. Therefore, the assembly of the locking device 4 is integral in the outer profile of the entire lid, and even of the entire package 1 due to the correspondence between the profile of the lid and the container portion when the lower end of the cover 31 rests on the upper face 32b of the frame 32.
Le dispositif d'inviolabilité 5 comprend, quant a lui, un capot 51 agence dans la dépression 47 du couvercle, ou légèrement en dehors de celle-ci, de manière a interdire un accès, au moins manuel, a la zone d' actionnement 41c de la patte de verrouillage. Le capot d'inviolabilité 51 est maintenu en regard de la zone d' actionnement 41c par des liaisons frangibles 52.The inviolability device 5 comprises, meanwhile, a cover 51 arranged in the depression 47 of the cover, or slightly outside thereof, so as to prohibit access, at least manually, to the actuating zone 41c locking tab. The tamperproof cover 51 is held facing the actuating zone 41c by frangible connections 52.
Plus particulièrement dans le mode de réalisation représente, le capot d' inviolabilité 51 se présente sous forme d' une plaquette de matière plastique intégralement formée avec le couvercle 31 grâce aux liaisons frangibles 52 qui se présentent sous forme de pontets. Le capot d' inviolabilité 51 est agence au niveau du débouche 47a de la dépression 47 et la plaquette qui le constitue est conformée pour s'étendre dans le prolongement du profil extérieur de l'ensemble du couvercle 31. Ceci confère a l'emballage un aspect particulièrement esthétique et limite les possibilités d'accrochage avec tout objet au cours de son cycle d'utilisation. D'autre part, cette forme de réalisation du capot d'inviolabilité 51 requiert une quantité de plastique relativement réduite puisque les dimensions de celui-ci n'excèdent pas la surface du débouche de la dépression 47. Enfin, le volume de la dépression 47 peut être réduit au minimum pour loger uniquement le dispositif de verrouillage, puisque le dispositif d'inviolabilité 5 ne s'étend pas dans cette dépression.More particularly in the embodiment shown, the tamperproof cover 51 is in the form of a plastic plate integrally formed with the cover 31 through the frangible links 52 which are in the form of bridges. The tamperproof cover 51 is arranged at the level of the outlet 47a of the depression 47 and the plate which constitutes it is shaped to extend in the extension of the external profile of the assembly of the cover 31. This confers on the package a particularly aesthetic appearance and limits the possibility of snagging with any object during its cycle of use. On the other hand, this embodiment of the tamperproof cover 51 requires a relatively small amount of plastic since the dimensions thereof do not exceed the surface of the outlet of the vacuum 47. Finally, the volume of the vacuum 47 can be minimized to house only the locking device, since the tamper device 5 does not extend into this depression.
Comme on le voit a la figure 2, les pontets 52 formant les liaisons frangibles, s'étendent entre la périphérie extérieure du capot d'inviolabilité 51 et le pourtour 47a de la dépression. Au vu de la figure 3, on comprend bien que, même si les pontets 52 laissent subsister des barbes de matière plastique après rupture, celles-ci sont relativement éloignées de la zone d'actionnement 41c de la patte de verrouillage 41, et en tout cas, n'interfèrent pas avec le fonctionnement de cette patte de verrouillage. Les pontets sont ici au nombre de quatre et situes de part et d'autre de la zone du capot 51 en regard de la patte de verrouillage 41. Mais, bien entendu, le nombre de pontets et leur disposition pourrait être sensiblement différente, et étant entendu qu'il suffit de trois de ces pontets pour immobiliser efficacement le capot d'inviolabilité 51.As seen in Figure 2, the bridges 52 forming frangible connections, extend between the outer periphery of the tamperproof cover 51 and the periphery 47a of the depression. In view of Figure 3, it is understood that, even if the bridges 52 leave behind plastic barbs after rupture, they are relatively far from the actuating zone 41c of the locking tab 41, and in all case, do not interfere with the operation of this locking tab. The bridges are here four in number and located on either side of the area of the cover 51 facing the locking tab 41. But, of course, the number of bridges and their arrangement could be significantly different, and being understood that only three of these bridges to effectively immobilize the tamperproof cover 51.
Le capot d'inviolabilité 51 pourrait recouvrir toute la surface du débouche 47a de la dépression, les pontets 52 pouvant alors être rompus dans le renfoncement du capot dans la dépression 47. Mais, comme on peut le constater à la figure 2, une échancrure 53 est formée dans la périphérie du capot d'inviolabilité 51, ici dans la partie inférieure de ce capot venant à proximité du cadre 32, dans le but de faciliter l'enlèvement de ce dispositif d'inviolabilité. Par exemple, l' échancrure 53 peut être dimensionnée pour glisser en partie l'extrémité d'un doigt et effectuer l'arrachage du capot 51 par un mouvement vers l'extérieur et vers le haut. Bien entendu, l' échancrure 53 pourrait être située à un autre endroit. Par exemple dans une variante non représentée, il peut s'avérer préférable d'agencer l' échancrure 53 dans une zone du capot 51 moins en regard de la zone d' actionnement 41c de la patte de verrouillage, par exemple dans la partie haute du capot qui est située globalement en regard de la base 41a. Ceci afin de réduire encore les possibilités d' actionnement de la patte de verrouillage 41 notamment à l'aide d'un objet pointu. Il pourrait s'agir aussi d'un relief légèrement saillant permettant de saisir le capot d'inviolabilité 51.The inviolability cover 51 could cover the entire surface of the outlet 47a of the depression, the bridges 52 can then be broken in the recess of the cover in the depression 47. But, as can be seen in Figure 2, a notch 53 is formed in the periphery of the tamperproof cover 51, here in the lower part of this bonnet coming close to the frame 32, in order to facilitate the removal of this tamper device. For example, the notch 53 may be sized to partially slide the end of a finger and tear the hood 51 by an outward movement and upward. Of course, the indentation 53 could be located at another place. For example in a variant not shown, it may be preferable to arrange the notch 53 in a zone of the cover 51 minus the actuating zone 41c of the locking tab, for example in the upper part of the hood which is located generally facing the base 41a. This in order to further reduce the possibilities of actuation of the locking tab 41 in particular with the aid of a pointed object. It could also be a slightly protruding relief for grasping the tamperproof cover 51.
Le cycle d'utilisation de l'emballage 1 peut se dérouler de la manière suivante. Après moulage par injection de l'ensemble du dispositif de fermeture 3 avec les dispositifs de verrouillage et d'inviolabilité (4, 5), on obtient une seule pièce qui peut être configurée en position de fermeture en rabattant le couvercle 31 sur le cadre 32. Grâce aux dispositifs de verrouillage et d'inviolabilité, cette configuration est conservée.The cycle of use of the package 1 can be carried out as follows. After injection molding of the entire closure device 3 with the locking and tamper devices (4, 5), a single piece is obtained which can be configured in the closed position by folding the cover 31 on the frame 32 Thanks to the locking and inviolability devices, this configuration is preserved.
L'ensemble ainsi constitué, peut alors être aisément monté sur le récipient 2 préalablement rempli et operculé, par exemple par encliquetage . L'emballage 1 est alors prêt à la vente. Toute tentative d'ouverture manuelle entraînera une rupture d'au moins une des liaisons frangibies 52, et sera donc généralement aisément détectable par le consommateur.The assembly thus formed, can then be easily mounted on the container 2 previously filled and sealed, for example by snapping. Package 1 is then ready for sale. Any attempt to open manually will cause a break in at least one of the links frangibies 52, and will therefore generally be easily detectable by the consumer.
Lors de la première utilisation, l'utilisateur rompra les liaisons frangibies 52 du dispositif d' inviolabilité 5 et accédera ainsi au dispositif de verrouillage 4. Par une pression exercée sur la zone d' actionnement 41c de la patte de verrouillage 41 et une légère traction vers le haut, l'utilisateur place alors le couvercle 31 en position d'ouverture. Par la suite, en refermant l'emballage 1, c'est-à- dire en rabattant le couvercle 31, le verrouillage est assuré automatiquement par l' encliquetage du bec 43 avec le rebord de prise 42. Ensuite, pour une nouvelle utilisation, il suffit d'exercer à nouveau une pression sur la zone d' actionnement 41c pour libérer le dispositif de verrouillage 4.During the first use, the user will break the frangible links 52 of the tamper device 5 and thus access the locking device 4. By a pressure exerted on the actuating zone 41c of the locking tab 41 and a slight traction upwards, the user then places the lid 31 in the open position. Subsequently, by closing the package 1, that is to say by folding the cover 31, the locking is automatically ensured by the snap of the spout 43 with the engagement flange 42. Then, for a new use, it suffices to exert pressure again on the actuating zone 41c to release the locking device 4.
Bien entendu, le mode de réalisation décrit ci- dessus n'est nullement limitatif et de nombreuses variantes concernant la géométrie αes pièces constituant les dispositifs de verrouillage et d' inviolabilité peuvent être réalisés sans sortir du cadre de la présente invention. Of course, the embodiment described above is in no way limitative and many variations concerning the geometry of the parts constituting the locking and tamper-proof devices can be made without departing from the scope of the present invention.

Claims

REVENDICATIONS
1. Emballage pour un produit alimentaire comprenant : - un récipient (2) s' étendant selon un axe central1. Packaging for a food product comprising: - a container (2) extending along a central axis
(Z) depuis une base (21) jusqu'à une face supérieure (23) présentant une ouverture (24) entourée par un pourtour (25) s' étendant globalement dans un plan horizontal ;(Z) from a base (21) to an upper face (23) having an opening (24) surrounded by a periphery (25) extending generally in a horizontal plane;
- un système de fermeture (3) comprenant un couvercle (31) monté articulé par rapport au récipient (2) entre une position d'ouverture et une position de fermeture pour laquelle il recouvre l'ouverture (24) ; et- a closure system (3) comprising a lid (31) mounted articulated with respect to the container (2) between an open position and a closed position for which it covers the opening (24); and
- un dispositif de verrouillage (4) du couvercle en position de fermeture comprenant d'une part, une patte de verrouillage (41) élastiquement déformable vers l'axe central (Z) et s' étendant depuis une base (41a) solidaire du couvercle (31) jusqu'à une extrémité libre (41b) munie d'un bec (43), et d'autre part, un rebord de prise (42) solidaire du récipient (2), faisant saillie vers l'axe central (Z) et avec lequel le bec (43) vient en prise en position de fermeture, caractérisé en ce que le couvercle (31) présente une dépression (47) débouchant radialement vers l'extérieur et adjacente au récipient (2) en position de fermeture, dans laquelle est agencée la patte de verrouillage (41), ladite patte de verrouillage présentant entre sa base et son bec une zone d' actionnement (41c) accessible par le débouché (47a) de la dépression pour déplacer le bec (43) vers l'axe central, et en ce qu'un capot d'inviolabilité (51) est immobilisé par rapport au couvercle (31) par au moins une liaison frangible (52) et agencé en regard de la zone d' actionnement (41c) de la patte de verrouillage. - A locking device (4) of the lid in the closed position comprising on the one hand, a locking tab (41) elastically deformable towards the central axis (Z) and extending from a base (41a) integral with the lid (31) to a free end (41b) provided with a spout (43), and secondly, a catch flange (42) integral with the container (2), projecting towards the central axis (Z ) and with which the spout (43) engages in the closed position, characterized in that the cover (31) has a depression (47) opening radially outwards and adjacent to the container (2) in the closed position, in which is arranged the locking lug (41), said locking lug having between its base and its beak an actuation zone (41c) accessible by the outlet (47a) of the depression to move the spout (43) to the central axis, and in that a tamperproof cover (51) is immobilized relative to the cover (31) by a at least one frangible connection (52) and arranged opposite the actuating zone (41c) of the locking lug.
2. Emballage selon la revendication 1, dans lequel le rebord de prise (42) est formé dans la face supérieureThe package of claim 1, wherein the grip flange (42) is formed in the upper face.
(23) du récipient par une ouverture (44) allongée et orientée perpendiculairement à l'axe central (Z). (23) of the container through an elongate opening (44) oriented perpendicularly to the central axis (Z).
3. Emballage selon la revendication 1 ou 2, dans lequel le système de fermeture (3) comprend en outre un cadre (32) monté sur un coi (28) du récipient situé à proximité du pourtour (25) de l'ouverture, et dans lequel le rebord de prise (42) est formé par une portion du pourtour intérieur du cadre (32) .The package according to claim 1 or 2, wherein the closure system (3) further comprises a frame (32) mounted on a neck (28) of the container located near the periphery (25) of the opening, and wherein the engagement flange (42) is formed by a portion of the inner periphery of the frame (32).
4. Emballage selon les revendications 2 et 3, dans lequel le pourtour (25) de l'ouverture du récipient est situé au moins au niveau de la face supérieure (32b) du cadre (32), et dans lequel un espace libre (44) est ménagé entre la portion du cadre formant le rebord de prise (42) et la portion du pourtour (25) de l'ouverture située radialement en regard de cette portion.4. A package according to claims 2 and 3, wherein the periphery (25) of the opening of the container is located at least at the upper face (32b) of the frame (32), and wherein a free space (44) ) is formed between the portion of the frame forming the engagement flange (42) and the portion of the periphery (25) of the opening located radially opposite this portion.
5. Emballage selon l'une quelconque des revendications précédentes, dans lequel la patte de verrouillage (41) délimite le fond de la dépression (47) du couvercle ( 31 ) .5. Package according to any one of the preceding claims, wherein the locking lug (41) defines the bottom of the depression (47) of the lid (31).
6. Emballage selon l'une quelconque des revendications précédentes, dans lequel la patte de verrouillage (41) s'étend parallèlement à l'axe central (Z) et présente une section transversale globalement rectangulaire orientée perpendiculairement à l'axe central.6. Packaging according to any one of the preceding claims, wherein the locking tab (41) extends parallel to the central axis (Z) and has a generally rectangular cross section oriented perpendicularly to the central axis.
7. Emballage selon l'une quelconque des revendications précédentes, dans lequel le capot d'inviolabilité (51) est agencé au niveau du débouché (47a) de la dépression du couvercle (31) et conformé pour s'étendre dans le prolongement du profil extérieur du couvercle, le couvercle (31) et la plaque d'inviolabilité (51) s' étendant également de préférence dans le prolongement de la partie supérieure du récipient (2) .7. Package according to any one of the preceding claims, wherein the tamperproof cover (51) is arranged at the outlet (47a) of the depression of the cover (31) and shaped to extend in the extension of the profile. outer cover, the cover (31) and the tamper evident plate (51) also extending preferably in the extension of the upper part of the container (2).
8. Emballage selon la revendication 7, dans lequel le capot d'inviolabilité (51) présente un organe de prise (53), réalise de préférence par une echancrure de la périphérie de ce capot.8. Packaging according to claim 7, wherein the tamperproof cover (51) has a gripping member (53), preferably made by a notch of the periphery of this cover.
9. Emballage selon l'une quelconque des revendications précédentes, dans lequel ladite au moins une liaison frangible comprend un pontet (52) s' étendant entre la périphérie du capot d' xiivioiabilite (51; et le débouche (47a) de la dépression du couvercle, et de préférence au moins tro±s pontets (52) agences pour interdire tout pivotement dudit capot (51) sans rupture d'au moins l'un des pontets.A package according to any one of the preceding claims, wherein said at least one breakable link comprises a bridge (52) extending between the periphery of the strain relief cover (51) and the outlet (47a) of the vacuum cover, and preferably at least three bridges (52) agencies to prohibit any pivoting of said cover (51) without breaking at least one of the bridges.
10. Emballage selon l'une quelconque des revendications précédentes, dans lequel le système de fermeture (3) comprenant le cadre (32) et le couvercle (31), ainsi que la patte de verrouillage (41) et le capot d'inviolabilité (51) sont réalises en une seule pièce de matière plastique moulée par injection. Packaging according to any one of the preceding claims, in which the closure system (3) comprising the frame (32) and the cover (31), as well as the locking tab (41) and the tamper-proof cover ( 51) are made of a single piece of injection molded plastic.
EP08805762A 2007-05-11 2008-05-07 Locking device for reclosable package Withdrawn EP2144822A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0703395A FR2915970B1 (en) 2007-05-11 2007-05-11 LOCKING DEVICE FOR REFERMABLE PACKAGING
PCT/FR2008/050813 WO2008149006A2 (en) 2007-05-11 2008-05-07 Locking device for resealable package

Publications (1)

Publication Number Publication Date
EP2144822A2 true EP2144822A2 (en) 2010-01-20

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ID=38728949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08805762A Withdrawn EP2144822A2 (en) 2007-05-11 2008-05-07 Locking device for reclosable package

Country Status (5)

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US (1) US20110006066A1 (en)
EP (1) EP2144822A2 (en)
CN (1) CN101848843A (en)
FR (1) FR2915970B1 (en)
WO (1) WO2008149006A2 (en)

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Also Published As

Publication number Publication date
CN101848843A (en) 2010-09-29
FR2915970A1 (en) 2008-11-14
WO2008149006A2 (en) 2008-12-11
FR2915970B1 (en) 2009-07-24
US20110006066A1 (en) 2011-01-13
WO2008149006A3 (en) 2009-01-29

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