EP1036743A1 - One piece hinged closure - Google Patents

One piece hinged closure Download PDF

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Publication number
EP1036743A1
EP1036743A1 EP00400466A EP00400466A EP1036743A1 EP 1036743 A1 EP1036743 A1 EP 1036743A1 EP 00400466 A EP00400466 A EP 00400466A EP 00400466 A EP00400466 A EP 00400466A EP 1036743 A1 EP1036743 A1 EP 1036743A1
Authority
EP
European Patent Office
Prior art keywords
axis
assembly according
assembly
housing
container
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.)
Ceased
Application number
EP00400466A
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German (de)
French (fr)
Inventor
Frank Lacout
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.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1036743A1 publication Critical patent/EP1036743A1/en
Ceased 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others
    • 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
    • B65D2251/1091—Closures made integrally with the base element at a point remote from the hinge

Definitions

  • the present invention relates to an assembly comprising two articulated parts one on top of the other, by means of an opening / closing hinge assisted.
  • Such an assembly can in particular be formed of a plugging element, of the type comprising a body on which a closure cap is articulated.
  • it may be a container, of the type comprising a lid articulated on a bottom.
  • Such a container can be in the form of a box, of the type makeup case, or a jar, or any other form of container suitable for be closed by a hinged cover.
  • closure elements it is known, in particular for closure elements, to produce such elements in two parts articulated one on the other, and, obtained by molding in one piece, of materials such as polyethylenes or polypropylenes.
  • the two parts are foldable around a geometric main axis, and connected by film hinges and at least one intermediate element disposed between them.
  • the intermediate element is capable of forming a spring for, after crossing from an unstable equilibrium position, recall the "cap” of the closure element in closed position, or substantially closed, respectively open.
  • the articulation axis is defined by the film hinge (s), which are subject, after multiple manipulations, to break.
  • Such a structure is not the most suitable for hinging the cover of a case on its bottom, and this in particular for reasons of solidity and aesthetic. The same goes for hinging a lid on a pot, or other container of the same type.
  • EP-B-699 591 describes a structure in which the spring function is ensured by means of a cover member which, during assembly, comes position in a corresponding housing on the base on which the lid.
  • the axis of articulation is defined in a conventional manner by hinges movies.
  • only the opening is assisted.
  • the spring member exerts a restoring force opposite to the closing movement.
  • an assembly formed from of a part obtained from molding said part comprising a first part, and a second part articulated on the first, by means of an effect hinge spring, allowing, by means of at least one connecting strip, the opening and assisted closing of the assembly around a fixed articulation axis (A), said first part forming at least one member capable, after demolding, to be put in engagement with at least one corresponding organ formed by the second part, so as to form at least one articulation zone around said axis (A), the connecting strip (s) being suitable, in an intermediate position between an open position and a closed position of the assembly, to cross said axis (AT).
  • the connecting strip includes a first end integral with the first part and a second end secured to the second part, the distance between said first and second ends passing through a maximum value in said position intermediate.
  • the strip (s) of link cuts (nt) a closing plane (PF), without passing through said axis (A).
  • PF closing plane
  • the connecting strip resiliently recall the second part, in the closed or substantially closed position.
  • the (or them) connecting strip resiliently recalls the second part in position opened.
  • the assembly according to the invention comprises a connecting strip positioned between two articulation zones defining said joint axis (A), and arranged on either side of the connecting strip.
  • the assembly according to the invention comprises two connecting strips separated by an articulation zone defining said axis (A).
  • said (or said) organ (s) formed by the first part is (are) constituted (s) of an axis, said (or said) corresponding member (s) formed (s) by the second part being made up of a housing oriented parallel to said axis, and intended to receive said axis via an opening oriented parallel to said axis, or vice versa.
  • the opening of the housing (s) is delimited by two edges, and extends advantageously over an angular portion such that, the engagement of the corresponding axis causes an elastic deformation of said edges and a snapping said axis into the corresponding housing. In this way, are appreciably reduced the risks of separation of the axis compared to his accommodation.
  • Said part may be formed from the same thermoplastic material, in particular polyethylene or polypropylene.
  • said part can be produced in particular by bi-injection, and is formed from at least two physico-chemically compatible materials, i.e. able, in the molten state, to form physico-chemical bonds between them.
  • said part is formed from a first material thermoplastic forming the bonding strip (s), and a second material thermoplastic forming the rest of the part.
  • the connecting bands are formed by a first material having the elasticity characteristics necessary for their proper functioning, while the rest of the set has the characteristics, in particular of hardness or gloss necessary for the aesthetics sought.
  • Such a configuration is particularly suitable in the assumption that the assembly according to the invention is formed of a housing, in particular of makeup.
  • the first material can in particular be an elastomer (in particular thermoplastic, such as SANTOPRENE® or KRATON®), the second material which may in particular be a polypropylene or a polyethylene.
  • elastomer in particular thermoplastic, such as SANTOPRENE® or KRATON®
  • the second material which may in particular be a polypropylene or a polyethylene.
  • the assembly according to the invention forms a closure element, said first part forming a body intended to be mounted (in particular by snapping or screwing) on a container, said body delimiting at least one exit passage in communication with an opening of said container, said second part being formed of a cap, capable of closing off removably said outlet passage.
  • the assembly according to the invention consists of a container, said first part constituting a receptacle delimiting at least a compartment capable of containing a product, the second part forming a cover capable of covering said compartment (s).
  • the container comprises means capable of allowing reversible locking in closed position of the cover on the receptacle.
  • the container is made in the form of a shaped box. substantially flat and the bottom of which delimits at least one compartment for receive a product, especially in solid or powder form.
  • a product can in particular be a makeup product.
  • the assembly according to the invention is presented under shape of a housing 1 of substantially flat shape, as used in particular for the packaging of make-up products, such as foundations, eye shadows, blushes, or the like.
  • the housing 1 is formed mainly from a part 2, obtained from molding, one or more thermoplastic materials.
  • Room 2 includes a first part acting as bottom 3, and a second part, acting as cover 4.
  • the bottom 3 and the cover 4 are arranged substantially at 180 ° relative to each other.
  • the bottom 3 has a first compartment 5 capable of receive a cosmetic product bread 6, and a second compartment 7 adapted to receive an applicator 8.
  • the cover 4 has a recess 9, extending over a substantial part of its surface, so as to receive a mirror 10.
  • a clasp 11 carried by the cover 4 is capable of coming into engagement with a corresponding member 12 carried by the bottom 3 so as to ensure locking reversible cover 4 on the bottom 3.
  • the bottom 3 forms on its edge opposite the hinge a recess 13 in the shape of an arc of a circle so as to facilitate opening the case 1.
  • the cover 4 is articulated on the bottom 3 by means of a hinge 20 of the assisted opening and closing.
  • a hinge 20 represented by in more detail in FIG. 1B, comprises two connecting strips 21, 22, elastically deformable, and arranged on each of the edges of the housing, each of the connecting strips 21, 22 being connected, on the one hand to the cover 4, in a first end zone 41, and on the other hand at the bottom 3, in a second zone end 40.
  • the connecting strips 21, 22 are, in the molding position illustrated in FIG. 1A substantially in a plane also containing the surface outer cover 4 and bottom 3.
  • the cover 4 forms, on its edge adjacent to the bottom 3, a cylindrical housing 23, having an opening 24 delimited by two free edges 25, 26 of the housing 23, said opening 24 extending over the entire width of the housing 23.
  • the housing 23 is centered on the edge which carries it and extends over approximately 3 ⁇ 4 of the width of the cover 4.
  • the bottom 3 forms, on its edge adjacent to the cover 4, an axis 30, the length and section of which are chosen so as to that, in the mounted position, illustrated in FIG. 2A, said axis 30 can be brought into engagement inside the housing 23, via the opening 24, so as to form the articulation of the cover 4 on the bottom 3 around said axis A.
  • the axis section 30 is chosen so that its engagement inside of the housing 23, causes an elastic deformation of the edges 25, 26 which delimit the opening 24. After positioning the axis 30 inside the housing 23, the edges 25, 26 return by elastic return to the position of rest, and close on said axis 30.
  • the housing 1 is shown in the open position, with the cover 4 substantially at 110 ° relative to the bottom 3.
  • the axis 30 is disposed inside the housing 23, so as to define an articulation of the cover 4 on the bottom 3 around an axis A.
  • the engagement of the axis 30 in the housing 23 can be done, either at the exit of the mold, or later in the housing finishing process.
  • the connecting strips 21, 22 are on a first side (outside) of the axis of articulation A, and are not stretched sensibly.
  • the cover 4 By closing the cover 4, as shown in FIG. 2B, the cover 4 passes through a position (located approximately 20 ° from the plane of the bottom 3) in which the bands 21 and 22 are situated in a plane passing through axis A. In this unstable equilibrium position, the bands 21, 22 are in their maximum stretching position. The distance between the ends 40 and 41 of connecting strips 21, 22, is maximum. It is possible, just by playing on the configuration of the joint, to play on the maximum opening angle of the housing, as well as on the angle corresponding to the intermediate position, in which the connecting strips 21 and 22 are in maximum extension. We can in particular configure the assembly so that the intermediate position corresponds to an angle of about 45 °, of the cover 4 relative to the bottom 3.
  • the strips 21, 22 cross said axis A, and, by elastic return, pull the cover 4 in the direction from the bottom 3, so as to bring it either in the closed position or in the semi position closed ( Figure 2C).
  • the connecting strips 21, 22 are on the other side of the axis A, (i.e. inside with respect to their position of the Figure 2A) and are not stretched sensibly, or in any case, in a lesser measure than in their position in Figure 2B. Locking the cover 4 on the bottom 3 can be ensured by means of a pressure exerted on the cover 4.
  • the strips 21, 22 cut the plan of closure PF of the case.
  • the axis type arrangement coming into engagement inside a housing can be replaced by a type structure with two lateral lugs carried by the cover 4, and able to come into engagement inside housings corresponding, formed in the bottom 3, and aligned on the hinge axis A.

Abstract

The assembly (1) is moulded in one piece to form two hinged sections (3, 4) with hinges (23, 30) and flexible connecting strips (21, 22). The sections have a clasp formed by a lug (11) and slot (12), and cavities (5, 7, 9) to receive a cake (6) of cosmetic material, an applicator (8) and a mirror (10). The assembly is made from a thermoplastic material or by bi-injection of two or more physically and chemically compatible materials.

Description

La présente invention a trait à un ensemble comprenant deux parties articulées l'une sur l'autre, au moyen d'une charnière du type à ouverture/fermeture assistée. Un tel ensemble peut notamment être formé d'un élément de bouchage, du type comprenant un corps sur lequel est articulé une coiffe de fermeture. Alternativement, il peut s'agir d'un récipient, du type comprenant un couvercle articulé sur un fond. Un tel récipient peut être sous forme d'un boítier, de type boítier de maquillage, ou d'un pot, ou de toute autre forme de contenant apte à être fermé par un couvercle articulé.The present invention relates to an assembly comprising two articulated parts one on top of the other, by means of an opening / closing hinge assisted. Such an assembly can in particular be formed of a plugging element, of the type comprising a body on which a closure cap is articulated. Alternatively, it may be a container, of the type comprising a lid articulated on a bottom. Such a container can be in the form of a box, of the type makeup case, or a jar, or any other form of container suitable for be closed by a hinged cover.

Il est connu, notamment pour des éléments de bouchage, de réaliser de tels éléments en deux parties articulées l'une sur l'autre, et, obtenues de moulage en une seule pièce, de matériaux tels que des polyéthylènes ou des polypropylènes. Les deux parties sont repliables autour d'un axe principal géométrique, et reliées par des charnières films et au moins un élément intermédiaire disposé entre elles. L'élément intermédiaire est apte à former ressort pour, après franchissement d'une position d'équilibre instable, rappeler la "coiffe" de l'élément de bouchage en position fermée, ou sensiblement fermée, respectivement ouverte. Avec une telle configuration, l'axe d'articulation est défini par la (ou les) charnières films, lesquelles sont sujettes, après de multiples manipulations, à se rompre.It is known, in particular for closure elements, to produce such elements in two parts articulated one on the other, and, obtained by molding in one piece, of materials such as polyethylenes or polypropylenes. The two parts are foldable around a geometric main axis, and connected by film hinges and at least one intermediate element disposed between them. The intermediate element is capable of forming a spring for, after crossing from an unstable equilibrium position, recall the "cap" of the closure element in closed position, or substantially closed, respectively open. With such configuration, the articulation axis is defined by the film hinge (s), which are subject, after multiple manipulations, to break.

Une telle structure n'est pas des plus appropriées pour articuler le couvercle d'un boítier sur son fond, et ce en particulier pour des raisons de solidité et d'esthétique. Il en va de même pour articuler un couvercle sur un pot, ou autre récipient du même type.Such a structure is not the most suitable for hinging the cover of a case on its bottom, and this in particular for reasons of solidity and aesthetic. The same goes for hinging a lid on a pot, or other container of the same type.

Le brevet EP-B-699 591 décrit une structure dans laquelle la fonction ressort est assurée au moyen d'un organe d'un couvercle qui, lors du montage, vient se positionner dans un logement correspondant de la base sur laquelle est articulé le couvercle. L'axe d'articulation est défini de manière classique par des charnières films. En outre, avec ce type de conception, n'est assistée que l'ouverture. A la fermeture, l'organe formant ressort exerce une force de rappel opposée au mouvement de fermeture.EP-B-699 591 describes a structure in which the spring function is ensured by means of a cover member which, during assembly, comes position in a corresponding housing on the base on which the lid. The axis of articulation is defined in a conventional manner by hinges movies. In addition, with this type of design, only the opening is assisted. To the closing, the spring member exerts a restoring force opposite to the closing movement.

Il est connu, notamment du brevet US-A-4 158 902, de prévoir sur un couvercle, des pattes formant ressort, aptes à coopérer avec des organes de même nature, portées par une base sur laquelle est articulé le couvercle. L'axe d'articulation autour duquel pivote le couvercle est formé d'une ou plusieurs charnières film.It is known, in particular from patent US-A-4,158,902, to provide on a cover, legs forming a spring, capable of cooperating with bodies of the same kind, carried by a base on which the cover is hinged. The axis of articulation around which the cover pivots is formed by one or more film hinges.

Dans le brevet US-A-4 124 151, est décrit une capsule du type comprenant un corps destiné à être monté sur un récipient, et une coiffe apte à obturer de manière réversible un orifice ménagé dans le corps de la capsule. Dans une position intermédiaire entre la position ouverte et la position fermée, la distance entre deux extrémités d'une bande de liaison élastique passe par une valeur minimale, ladite bande de liaison étant dans cette position, comprimée de manière à former ressort. Une telle configuration est perçue par les consommatrices comme manquant de confort aussi bien à l'ouverture qu'à la fermeture. En outre, elle est relativement fragile.In patent US-A-4,124,151, a capsule of the type comprising a body intended to be mounted on a container, and a cap capable of closing off reversibly an orifice formed in the body of the capsule. In intermediate position between open and closed position, the distance between two ends of an elastic connecting strip goes through a value minimal, said connecting strip being in this position, compressed so to form spring. Such a configuration is perceived by consumers as lacking in comfort both when opening and closing. In addition, it is relatively fragile.

Aussi, est-ce un des objets de la présente invention que de réaliser un ensemble de deux parties articulées l'une sur l'autre, et résolvant en tout ou partie les problèmes mentionnés ci-avant en référence aux dispositifs discutés précédemment.It is therefore one of the objects of the present invention to produce a set of two parts articulated one on the other, and resolving in whole or in part the problems mentioned above with reference to the devices discussed previously.

C'est en particulier un objet de la présente invention que de réaliser un ensemble articulé au moyen d'une charnière à effet ressort, qui soit fiable et économique à réaliser.It is in particular an object of the present invention to produce an assembly articulated by means of a spring-effect hinge, which is reliable and economical to achieve.

D'autres objets encore apparaítront dans la description détaillée qui suit.Still other objects will appear in the detailed description which follows.

Selon l'invention, ces objets sont atteints en réalisant un ensemble formé à partir d'une pièce obtenue de moulage, ladite pièce comportant une première partie, et une seconde partie articulée sur la première, au moyen d'une charnière à effet ressort, permettant, au moyen d'au moins une bande de liaison, l'ouverture et la fermeture assistées de l'ensemble autour d'un axe d'articulation fixe (A), ladite première partie formant au moins un organe apte, après démoulage, à être mis en engagement avec au moins un organe correspondant formé par la seconde partie, de manière à former au moins une zone d'articulation autour dudit axe (A), la (ou les) bande(s) de liaison étant apte(s), dans une position intermédiaire entre une position ouverte et une position fermée de l'ensemble, à traverser ledit axe (A).According to the invention, these objects are achieved by producing an assembly formed from of a part obtained from molding, said part comprising a first part, and a second part articulated on the first, by means of an effect hinge spring, allowing, by means of at least one connecting strip, the opening and assisted closing of the assembly around a fixed articulation axis (A), said first part forming at least one member capable, after demolding, to be put in engagement with at least one corresponding organ formed by the second part, so as to form at least one articulation zone around said axis (A), the connecting strip (s) being suitable, in an intermediate position between an open position and a closed position of the assembly, to cross said axis (AT).

On réalise ainsi un ensemble articulé, dont à la fois l'ouverture et la fermeture sont assistées. L'ensemble ainsi réalisé offre tous les avantages des structures articulées en une seule pièce, notamment en termes de coût de fabrication. En outre, l'axe d'articulation présente en termes de robustesse et d'esthétique, des caractéristiques similaires à celles des articulations de type à axe rapporté. Le confort à l'utilisation procuré par une structure dans laquelle la bande de liaison coupe l'axe, est généralement jugé plus satisfaisant que celui procuré par une structure du type de celle décrite dans le brevet US-A-4 124 151 évoqué ci-avant.An articulated assembly is thus produced, the opening and closing of which are both assisted. The assembly thus produced offers all the advantages of the structures articulated in one piece, especially in terms of manufacturing cost. In in addition, the articulation axis presents in terms of robustness and aesthetics, characteristics similar to those of the hinge type joints. The comfort in use provided by a structure in which the connecting strip cuts the axis, is generally considered more satisfactory than that provided by a structure of the type described in US Pat. No. 4,124,151 mentioned above.

Selon une caractéristique avantageuse de l'invention, la bande de liaison comprend une première extrémité solidaire de la première partie et une seconde extrémité solidaire de la seconde partie, la distance entre lesdites première et seconde extrémités passant par une valeur maximale dans ladite position intermédiaire. Ainsi, en position fermée de l'ensemble, la (ou les) bande(s) de liaison coupe(nt) un plan de fermeture (PF), sans passer par ledit axe (A). En passant par la position intermédiaire, elle(s) est (sont) soumise(s) à une tension maximale. Après franchissement de ladite position intermédiaire, selon un mouvement relatif desdites première et seconde parties, dans une première direction, la (ou les) bande(s) de liaison rappelle(nt) élastiquement la seconde partie, en position fermée ou sensiblement fermée. Après franchissement de ladite position intermédiaire, dans une direction opposée à la première, la (ou les) bande(s) de liaison rappelle(nt) élastiquement la seconde partie en position ouverte. According to an advantageous characteristic of the invention, the connecting strip includes a first end integral with the first part and a second end secured to the second part, the distance between said first and second ends passing through a maximum value in said position intermediate. Thus, in the closed position of the assembly, the strip (s) of link cuts (nt) a closing plane (PF), without passing through said axis (A). In passing through the intermediate position, it (s) is (are) subjected (s) to tension maximum. After crossing said intermediate position, according to a relative movement of said first and second parts, in a first direction, the connecting strip (s) resiliently recall the second part, in the closed or substantially closed position. After crossing said intermediate position, in a direction opposite to the first, the (or them) connecting strip (s) resiliently recalls the second part in position opened.

Selon un mode de réalisation particulier, l'ensemble selon l'invention comprend une bande de liaison positionnée entre deux zones d'articulation définissant ledit axe (A), et disposées de part et d'autre de la bande de liaison. Selon une alternative, l'ensemble selon l'invention comprend deux bandes de liaison séparées par une zone d'articulation définissant ledit axe (A).According to a particular embodiment, the assembly according to the invention comprises a connecting strip positioned between two articulation zones defining said joint axis (A), and arranged on either side of the connecting strip. According to one alternative, the assembly according to the invention comprises two connecting strips separated by an articulation zone defining said axis (A).

De préférence, ledit (ou lesdits) organe(s) formé(s) par la première partie est (sont) constitué(s) d'un axe, ledit (ou lesdits) organe(s) correspondant(s) formé(s) par la seconde partie étant constitué(s) d'un logement orienté parallèlement audit axe, et destiné à recevoir ledit axe via une ouverture orientée parallèlement audit axe, ou vice-versa.Preferably, said (or said) organ (s) formed by the first part is (are) constituted (s) of an axis, said (or said) corresponding member (s) formed (s) by the second part being made up of a housing oriented parallel to said axis, and intended to receive said axis via an opening oriented parallel to said axis, or vice versa.

L'ouverture du (ou des) logement(s) est délimitée par deux bords, et s'étend avantageusement sur une portion angulaire telle que, la mise en engagement de l'axe correspondant provoque une déformation élastique desdits bords et un encliquetage dudit axe dans le logement correspondant. De cette manière, sont réduits de manière sensible les risques de désolidarisation de l'axe par rapport à son logement.The opening of the housing (s) is delimited by two edges, and extends advantageously over an angular portion such that, the engagement of the corresponding axis causes an elastic deformation of said edges and a snapping said axis into the corresponding housing. In this way, are appreciably reduced the risks of separation of the axis compared to his accommodation.

Ladite pièce peut être formée d'un même matériau thermoplastique, notamment un polyéthylène ou un polypropylène.Said part may be formed from the same thermoplastic material, in particular polyethylene or polypropylene.

Alternativement, ladite pièce peut être réalisée notamment par bi-injection, et est formée d'au moins deux matériaux physico-chimiquement compatibles, c'est à dire aptes, à l'état de fusion, à former entre eux des liaisons physico-chimiques.Alternatively, said part can be produced in particular by bi-injection, and is formed from at least two physico-chemically compatible materials, i.e. able, in the molten state, to form physico-chemical bonds between them.

A titre d'exemple, ladite pièce est formée à partir d'un premier matériau thermoplastique formant la (ou les) bande(s) de liaison, et d'un second matériau thermoplastique formant le reste de la pièce. Ainsi, les bandes de liaison sont formées par un premier matériau présentant les caractéristiques d'élasticité nécessaires à leur bon fonctionnement, tandis que le reste de l'ensemble présente les caractéristiques, notamment de dureté ou de brillance nécessaires à l'esthétique recherchée. Une telle configuration est particulièrement adaptée dans l'hypothèse où l'ensemble selon l'invention est formé d'un boítier, notamment de maquillage.By way of example, said part is formed from a first material thermoplastic forming the bonding strip (s), and a second material thermoplastic forming the rest of the part. So the connecting bands are formed by a first material having the elasticity characteristics necessary for their proper functioning, while the rest of the set has the characteristics, in particular of hardness or gloss necessary for the aesthetics sought. Such a configuration is particularly suitable in the assumption that the assembly according to the invention is formed of a housing, in particular of makeup.

Ainsi, le premier matériau peut être notamment un élastomère (notamment thermoplastique, de type SANTOPRENE® ou KRATON®), le second matériau pouvant être notamment un polypropylène ou un polyéthylène.Thus, the first material can in particular be an elastomer (in particular thermoplastic, such as SANTOPRENE® or KRATON®), the second material which may in particular be a polypropylene or a polyethylene.

Selon une première forme de réalisation, l'ensemble selon l'invention forme un élément de bouchage, ladite première partie formant un corps destiné à être monté (notamment par claquage ou vissage) sur un récipient, ledit corps délimitant au moins un passage de sortie en communication avec une ouverture dudit récipient, ladite seconde partie étant formée d'une coiffe, apte à obturer de manière amovible ledit passage de sortie.According to a first embodiment, the assembly according to the invention forms a closure element, said first part forming a body intended to be mounted (in particular by snapping or screwing) on a container, said body delimiting at least one exit passage in communication with an opening of said container, said second part being formed of a cap, capable of closing off removably said outlet passage.

Selon une seconde forme de réalisation, l'ensemble selon l'invention est constitué d'un récipient, ladite première partie constituant un réceptacle délimitant au moins un compartiment apte à contenir un produit, la seconde partie formant un couvercle apte à recouvrir ledit (ou lesdits) compartiment(s). Avantageusement, le récipient comprend des moyens aptes à permettre le verrouillage réversible en position fermée du couvercle sur le réceptacle.According to a second embodiment, the assembly according to the invention consists of a container, said first part constituting a receptacle delimiting at least a compartment capable of containing a product, the second part forming a cover capable of covering said compartment (s). Advantageously, the container comprises means capable of allowing reversible locking in closed position of the cover on the receptacle.

De préférence, le récipient est réalisé sous forme d'un boítier de forme sensiblement plate et dont le fond délimite au moins un compartiment pour recevoir un produit, notamment sous forme solide ou pulvérulente. Un tel produit peut être notamment un produit de maquillage.Preferably, the container is made in the form of a shaped box. substantially flat and the bottom of which delimits at least one compartment for receive a product, especially in solid or powder form. Such a product can in particular be a makeup product.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions qui seront explicitées ci-après, à propos d'exemples de réalisation non limitatifs, décrits en référence aux figures annexées, parmi lesquelles :

  • la figure 1A représente une vue éclatée d'un ensemble selon l'invention, constitué d'un boítier de type boítier de maquillage;
  • la figure 1B représente une vue de détail de la charnière de l'ensemble représenté à la figure 1A; et
  • les figures 2A-2C illustrent différentes étapes de la fermeture de l'ensemble de la figure 1A, en position montée de la charnière.
The invention consists, apart from the arrangements set out above, of a certain number of other arrangements which will be explained below, with reference to nonlimiting exemplary embodiments, described with reference to the appended figures, among which:
  • FIG. 1A shows an exploded view of an assembly according to the invention, consisting of a case of the make-up case type;
  • Figure 1B shows a detail view of the hinge of the assembly shown in Figure 1A; and
  • Figures 2A-2C illustrate different stages of the closure of the assembly of Figure 1A, in the assembled position of the hinge.

Dans la vue éclatée de la figure 1A, l'ensemble selon l'invention se présente sous forme d'un boítier 1 de forme sensiblement plate, tel qu'utilisé notamment pour le conditionnement de produits de maquillage, tels que des fonds de teints, des ombres à paupières, des blushs, ou autres produits du même type.In the exploded view of FIG. 1A, the assembly according to the invention is presented under shape of a housing 1 of substantially flat shape, as used in particular for the packaging of make-up products, such as foundations, eye shadows, blushes, or the like.

Le boítier 1 est formé principalement à partir d'une pièce 2, obtenue de moulage, d'un ou plusieurs matériaux thermoplastiques. La pièce 2 comprend une première partie faisant office de fond 3, et une seconde partie, faisant office de couvercle 4. Lors du moulage, le fond 3 et le couvercle 4 sont disposés sensiblement à 180° l'un par rapport à l'autre. Le fond 3 comporte un premier compartiment 5 apte à recevoir un pain de produit cosmétique 6, et un second compartiment 7 apte à recevoir un applicateur 8. Le couvercle 4 présente un renfoncement 9, s'étendant sur une partie substantielle de sa surface, de manière à recevoir un miroir 10. Un fermoir 11 porté par le couvercle 4 est apte à venir en engagement avec un organe correspondant 12 porté par le fond 3 de manière à assurer le verrouillage réversible du couvercle 4 sur le fond 3. Le fond 3 forme sur son bord opposé à la charnière un décrochement 13 en forme d'arc de cercle de manière à faciliter l'ouverture du boítier 1.The housing 1 is formed mainly from a part 2, obtained from molding, one or more thermoplastic materials. Room 2 includes a first part acting as bottom 3, and a second part, acting as cover 4. During molding, the bottom 3 and the cover 4 are arranged substantially at 180 ° relative to each other. The bottom 3 has a first compartment 5 capable of receive a cosmetic product bread 6, and a second compartment 7 adapted to receive an applicator 8. The cover 4 has a recess 9, extending over a substantial part of its surface, so as to receive a mirror 10. A clasp 11 carried by the cover 4 is capable of coming into engagement with a corresponding member 12 carried by the bottom 3 so as to ensure locking reversible cover 4 on the bottom 3. The bottom 3 forms on its edge opposite the hinge a recess 13 in the shape of an arc of a circle so as to facilitate opening the case 1.

Le couvercle 4 est articulé sur le fond 3 au moyen d'une charnière 20 de type à ouverture et à fermeture assistées. Une telle charnière 20, représentée de manière plus détaillée à la figure 1B, comporte deux bandes de liaison 21, 22, élastiquement déformables, et disposées sur chacun des bords du boítier, chacune des bandes de liaison 21, 22 étant reliée, d'une part au couvercle 4, en une première zone d'extrémité 41, et d'autre part au fond 3, en une seconde zone d'extrémité 40. Les bandes de liaison 21, 22 sont, dans la position de moulage illustrée à la figure 1A sensiblement dans un plan contenant également la surface extérieure du couvercle 4 et du fond 3.The cover 4 is articulated on the bottom 3 by means of a hinge 20 of the assisted opening and closing. Such a hinge 20, represented by in more detail in FIG. 1B, comprises two connecting strips 21, 22, elastically deformable, and arranged on each of the edges of the housing, each of the connecting strips 21, 22 being connected, on the one hand to the cover 4, in a first end zone 41, and on the other hand at the bottom 3, in a second zone end 40. The connecting strips 21, 22 are, in the molding position illustrated in FIG. 1A substantially in a plane also containing the surface outer cover 4 and bottom 3.

Entre les deux bandes de liaison 21, 22, le couvercle 4 forme, sur son bord adjacent au fond 3, un logement cylindrique 23, présentant une ouverture 24 délimitée par deux bords libres 25, 26 du logement 23, ladite ouverture 24 s'étendant sur toute la largeur du logement 23. Le logement 23 est centré sur le bord qui le porte et s'étend sur environ ¾ de la largeur du couvercle 4.Between the two connecting strips 21, 22, the cover 4 forms, on its edge adjacent to the bottom 3, a cylindrical housing 23, having an opening 24 delimited by two free edges 25, 26 of the housing 23, said opening 24 extending over the entire width of the housing 23. The housing 23 is centered on the edge which carries it and extends over approximately ¾ of the width of the cover 4.

Entre les deux bandes de liaison 21, 22, le fond 3 forme, sur son bord adjacent au couvercle 4, un axe 30, dont la longueur et la section sont choisies de manière à ce que, en position montée, illustrée à la figure 2A, ledit axe 30 puisse être mis en engagement à l'intérieur du logement 23, via l'ouverture 24, de manière à former l'articulation du couvercle 4 sur le fond 3 autour dudit axe A. De préférence, la section de l'axe 30 est choisie de sorte que sa mise en engagement à l'intérieur du logement 23, provoque une déformation élastique des bords 25, 26 qui en délimitent l'ouverture 24. Après positionnement de l'axe 30 à l'intérieur du logement 23, les bords 25, 26 reviennent par rappel élastique en position de repos, et se referment sur ledit axe 30.Between the two connecting strips 21, 22, the bottom 3 forms, on its edge adjacent to the cover 4, an axis 30, the length and section of which are chosen so as to that, in the mounted position, illustrated in FIG. 2A, said axis 30 can be brought into engagement inside the housing 23, via the opening 24, so as to form the articulation of the cover 4 on the bottom 3 around said axis A. Preferably, the axis section 30 is chosen so that its engagement inside of the housing 23, causes an elastic deformation of the edges 25, 26 which delimit the opening 24. After positioning the axis 30 inside the housing 23, the edges 25, 26 return by elastic return to the position of rest, and close on said axis 30.

Dans la figure 2A, le boítier 1 est montré en position ouverte, avec le couvercle 4 sensiblement à 110° par rapport au fond 3. Dans cette position "montée", l'axe 30 est disposé à l'intérieur du logement 23, de manière à définir une articulation du couvercle 4 sur le fond 3 autour d'un axe A. La mise en engagement de l'axe 30 dans le logement 23 peut se faire, soit à la sortie du moule, soit plus tard dans le processus de finition du boítier. Comme il apparaít clairement sur cette figure, les bandes de liaison 21, 22 se trouvent d'un premier côté (à l'extérieur) de l'axe d'articulation A, et ne sont pas tendues de manière sensible.In Figure 2A, the housing 1 is shown in the open position, with the cover 4 substantially at 110 ° relative to the bottom 3. In this "mounted" position, the axis 30 is disposed inside the housing 23, so as to define an articulation of the cover 4 on the bottom 3 around an axis A. The engagement of the axis 30 in the housing 23 can be done, either at the exit of the mold, or later in the housing finishing process. As is clear from this figure, the connecting strips 21, 22 are on a first side (outside) of the axis of articulation A, and are not stretched sensibly.

En refermant le couvercle 4, de la manière représentée à la figure 2B, le couvercle 4 passe par une position (située à environ 20° par rapport au plan du fond 3) dans laquelle, les bandes 21 et 22 sont situées dans un plan passant par l'axe A. Dans cette position d'équilibre instable, les bandes 21, 22 sont dans leur position d'allongement maximum. La distance entre les extrémités 40 et 41 des bandes de liaison 21, 22, est maximale. Il est possible, simplement en jouant sur la configuration de l'articulation, de jouer sur l'angle d'ouverture maximum du boítier, ainsi que sur l'angle correspondant à la position intermédiaire, dans laquelle les bandes de liaison 21 et 22 sont en extension maximale. On peut notamment configurer l'ensemble, de sorte que la position intermédiaire corresponde à un angle d'environ 45°, du couvercle 4 par rapport au fond 3.By closing the cover 4, as shown in FIG. 2B, the cover 4 passes through a position (located approximately 20 ° from the plane of the bottom 3) in which the bands 21 and 22 are situated in a plane passing through axis A. In this unstable equilibrium position, the bands 21, 22 are in their maximum stretching position. The distance between the ends 40 and 41 of connecting strips 21, 22, is maximum. It is possible, just by playing on the configuration of the joint, to play on the maximum opening angle of the housing, as well as on the angle corresponding to the intermediate position, in which the connecting strips 21 and 22 are in maximum extension. We can in particular configure the assembly so that the intermediate position corresponds to an angle of about 45 °, of the cover 4 relative to the bottom 3.

En continuant de refermer le couvercle 4 en direction du fond, les bandes 21, 22 franchissent ledit axe A, et, par rappel élastique, tirent le couvercle 4 en direction du fond 3, de manière à l'amener soit en position fermée, soit en position semi fermée (figure 2C). Dans cette position, les bandes de liaison 21, 22, se trouvent de l'autre côté de l'axe A, (c'est à dire à l'intérieur par rapport à leur position de la figure 2A) et ne sont pas tendues de manière sensible, ou en tout cas, dans une moindre mesure que dans leur position de la figure 2B. Le verrouillage du couvercle 4 sur le fond 3 peut être assuré au moyen d'une pression exercée sur le couvercle 4. En position fermée illustrée à la figure 2C, les bandes 21, 22 coupent le plan de fermeture PF du boítier.Continuing to close the cover 4 towards the bottom, the strips 21, 22 cross said axis A, and, by elastic return, pull the cover 4 in the direction from the bottom 3, so as to bring it either in the closed position or in the semi position closed (Figure 2C). In this position, the connecting strips 21, 22 are on the other side of the axis A, (i.e. inside with respect to their position of the Figure 2A) and are not stretched sensibly, or in any case, in a lesser measure than in their position in Figure 2B. Locking the cover 4 on the bottom 3 can be ensured by means of a pressure exerted on the cover 4. In the closed position illustrated in FIG. 2C, the strips 21, 22 cut the plan of closure PF of the case.

A l'ouverture, la cinématique est inverse, les bandes de liaison 21, 22, après avoir franchi la position d'élongation maximale, tirent le couvercle dans sa position d'ouverture maximale par rapport au fond.At the opening, the kinematics are reversed, the connecting strips 21, 22, after having crossed the maximum elongation position, pull the cover into its position maximum opening from the bottom.

L'arrangement de type à axe venant en engagement à l'intérieur d'un logement peut être remplacé par une structure de type à deux ergots latéraux portés par le couvercle 4, et aptes à venir en engagement à l'intérieur de logements correspondants, formés dans le fond 3, et alignés sur l'axe d'articulation A. The axis type arrangement coming into engagement inside a housing can be replaced by a type structure with two lateral lugs carried by the cover 4, and able to come into engagement inside housings corresponding, formed in the bottom 3, and aligned on the hinge axis A.

Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation préférés de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'esprit de l'invention telle que revendiquée ci-après.In the foregoing detailed description, reference has been made to modes of preferred embodiments of the invention. Obviously there may be variations made without departing from the spirit of the invention as claimed below.

Claims (14)

Ensemble (1) formé à partir d'une pièce (2) obtenue de moulage, ladite pièce comportant une première partie (3), et une seconde partie (4) articulée sur la première, au moyen d'une charnière à effet ressort (20), permettant, au moyen d'au moins une bande de liaison (21, 22), l'ouverture et la fermeture assistées de l'ensemble autour d'un axe d'articulation fixe (A), ladite première partie formant au moins un organe (30) apte, après démoulage, à être mis en engagement avec au moins un organe correspondant (23) formé par la seconde partie (4), de manière à former au moins une zone d'articulation autour dudit axe (A), la (ou les) bande(s) de liaison (21, 22) étant apte(s), dans une position intermédiaire entre une position ouverte et une position fermée de l'ensemble, à traverser ledit axe (A).Assembly (1) formed from a part (2) obtained from molding, said part comprising a first part (3), and a second part (4) articulated on the first, by means of a spring-effect hinge (20), allowing, by means at least one connecting strip (21, 22), assisted opening and closing of the assembly around a fixed articulation axis (A), said first part forming at at least one member (30) able, after demolding, to be engaged with the at least one corresponding member (23) formed by the second part (4), so forming at least one articulation zone around said axis (A), the (or them) connecting strip (s) (21, 22) being suitable, in an intermediate position between an open position and a closed position of the assembly, to cross said axis (AT). Ensemble (1) selon la revendication 1 caractérisé en ce que la (ou les) bande(s) de liaison (21, 22) comprennent une première extrémité (40) solidaire de la première partie (3) et une seconde extrémité (41) solidaire de la seconde partie (4), la distance entre lesdites première (40) et seconde (41) extrémités passant par une valeur maximale dans ladite position intermédiaire.Assembly (1) according to claim 1 characterized in that the (or them) connecting strip (s) (21, 22) comprise a first end (40) integral with the first part (3) and a second end (41) integral with the second part (4), the distance between said first (40) and second (41) ends passing by a maximum value in said intermediate position. Ensemble selon la revendication 1 ou 2 caractérisé en ce qu'il comprend une bande de liaison positionnée entre deux zones d'articulation définissant ledit axe (A), et disposées de part et d'autre de la bande de liaison.Assembly according to claim 1 or 2 characterized in that it comprises a connecting strip positioned between two articulation zones defining said axis (A), and arranged on either side of the connecting strip. Ensemble selon la revendication 1 ou 2 caractérisé en ce qu'il comprend deux bandes de liaison (21, 22) séparées par une zone d'articulation définissant ledit axe (A).Assembly according to claim 1 or 2 characterized in that it comprises two connecting strips (21, 22) separated by an articulation zone defining said joint axis (A). Ensemble selon l'une quelconque des revendications 1 à 4 caractérisé en ce que ledit (ou lesdits) organe(s) formé(s) par la première partie (3) est (sont) constitué(s) d'un axe (30), ledit (ou lesdits) organe(s) correspondant(s) formé(s) par la seconde partie (4) étant constitué(s) d'un logement (23) orienté parallèlement audit axe, et destiné à recevoir ledit axe (30) via une ouverture (24) orientée parallèlement audit axe, ou vice-versa.Assembly according to any one of Claims 1 to 4, characterized in that that said (or said) organ (s) formed by the first part (3) is (are) constituted (s) of an axis (30), said (or said) corresponding member (s) formed (s) by the second part (4) consisting of a housing (23) oriented parallel to said axis, and intended to receive said axis (30) via an opening (24) oriented parallel to said axis, or vice versa. Ensemble selon la revendication 5 caractérisé en ce que l'ouverture (24) du (ou des) logement(s) (23) est délimitée par deux bords (25, 26), et s'étend sur une portion angulaire telle que, la mise en engagement de l'axe correspondant (30) provoque une déformation élastique desdits bords (25, 26) et un encliquetage dudit axe (30) dans le logement correspondant (23).Assembly according to claim 5 characterized in that the opening (24) of the (or) housing (s) (23) is delimited by two edges (25, 26), and extends over a angular portion such that, the engagement of the corresponding axis (30) causes elastic deformation of said edges (25, 26) and a snap of said axis (30) in the corresponding housing (23). Ensemble selon l'une quelconque des revendications 1 à 6 caractérisé en ce que ladite pièce (2) est formée d'un même matériau thermoplastique, notamment un polyéthylène ou un polypropylène.Assembly according to any one of Claims 1 to 6, characterized in that that said part (2) is formed from the same thermoplastic material, in particular polyethylene or polypropylene. Ensemble selon l'une quelconque des revendications 1 à 6 caractérisé en ce que ladite pièce (2) est réalisée notamment par bi-injection, et est formée d'au moins deux matériaux physico-chimiquement compatibles.Assembly according to any one of Claims 1 to 6, characterized in that that said part (2) is produced in particular by bi-injection, and is formed of at least two physico-chemically compatible materials. Ensemble selon la revendication 8 caractérisé en ce que ladite pièce (2) est formée à partir d'un premier matériau thermoplastique formant la (ou les) bande(s) de liaison (21, 22), et d'un second matériau thermoplastique formant le reste de la pièce.An assembly according to claim 8 characterized in that said part (2) is formed from a first thermoplastic material forming the strip (s) of connection (21, 22), and of a second thermoplastic material forming the rest of the room. Ensemble selon la revendication 9 caractérisé en ce que le premier matériau est un élastomère, notamment thermoplastique, et en ce que le second matériau est notamment un polypropylène ou un polyéthylène.Assembly according to claim 9, characterized in that the first material is an elastomer, in particular thermoplastic, and in that the second material is in particular a polypropylene or a polyethylene. Ensemble selon l'une quelconque des revendications 1 à 10 caractérisé en ce qu'il forme un élément de bouchage, ladite première partie (3) formant un corps destiné à être monté sur un récipient, ledit corps délimitant au moins un passage de sortie en communication avec une ouverture dudit récipient, ladite seconde partie (4) étant formée d'une coiffe, apte à obturer de manière amovible ledit passage de sortie. Assembly according to any one of Claims 1 to 10, characterized in what it forms a plugging element, said first part (3) forming a body intended to be mounted on a container, said body delimiting at least one passage outlet in communication with an opening of said container, said second part (4) being formed of a cap, capable of removably closing said exit passage. Ensemble selon l'une quelconque des revendications 1 à 10 caractérisé en ce qu'il est constitué d'un récipient, ladite première partie (3) constituant un réceptacle délimitant au moins un compartiment (5, 7) apte à contenir un produit (6), la seconde partie (4) formant un couvercle apte à recouvrir ledit (ou lesdits) compartiment(s) (5).Assembly according to any one of Claims 1 to 10, characterized in that it consists of a container, said first part (3) constituting a receptacle defining at least one compartment (5, 7) capable of containing a product (6), the second part (4) forming a cover capable of covering said (or said) compartment (s) (5). Ensemble selon la revendication 12 caractérisé en ce que le récipient comprend des moyens (11, 12) aptes à permettre le verrouillage réversible en position fermée du couvercle (4) sur le réceptacle (3).An assembly according to claim 12 characterized in that the container comprises means (11, 12) capable of allowing reversible locking in closed position of the cover (4) on the receptacle (3). Ensemble selon la revendication 12 ou 13 caractérisé en ce que le récipient est réalisé sous forme d'un boítier (1) de forme sensiblement plate et dont le fond (3) délimite au moins un compartiment (5, 7) pour recevoir un produit (6), notamment sous forme solide ou pulvérulente.Assembly according to claim 12 or 13 characterized in that the container is made in the form of a housing (1) of substantially flat shape and the bottom (3) delimits at least one compartment (5, 7) for receiving a product (6), especially in solid or powder form.
EP00400466A 1999-03-16 2000-02-21 One piece hinged closure Ceased EP1036743A1 (en)

Applications Claiming Priority (2)

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FR9903219 1999-03-16
FR9903219A FR2791042B1 (en) 1999-03-16 1999-03-16 MONOPIECE ARTICULATED ASSEMBLY

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FR (1) FR2791042B1 (en)

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Also Published As

Publication number Publication date
CA2300581A1 (en) 2000-09-16
FR2791042A1 (en) 2000-09-22
CA2300581C (en) 2005-05-24
JP2003174925A (en) 2003-06-24
JP2000296018A (en) 2000-10-24
US6484731B1 (en) 2002-11-26
FR2791042B1 (en) 2001-05-04

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