EP0439381A1 - Rotation brake between two concentric parts and lipstick case or similar comprising such a brake - Google Patents

Rotation brake between two concentric parts and lipstick case or similar comprising such a brake Download PDF

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Publication number
EP0439381A1
EP0439381A1 EP91400052A EP91400052A EP0439381A1 EP 0439381 A1 EP0439381 A1 EP 0439381A1 EP 91400052 A EP91400052 A EP 91400052A EP 91400052 A EP91400052 A EP 91400052A EP 0439381 A1 EP0439381 A1 EP 0439381A1
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EP
European Patent Office
Prior art keywords
base
crown
sheath
legs
rotation
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Granted
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EP91400052A
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German (de)
French (fr)
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EP0439381B1 (en
Inventor
Claude Susini
Pascal Mejean
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Reboul SAS
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Reboul SMT SA
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/06—Casings wherein movement of the lipstick or like solid is a screwing movement
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/12—Casings with provision for preventing undesired movement of the stick

Definitions

  • the present invention relates to the small mechanical industry, more particularly in the field of packaging in revolving cases of stick substances such as cosmetic products, in particular lipstick, pharmaceutical products, glues, and household cleaning products.
  • the invention aims to overcome the drawbacks of conventional braking means with a flexible device interposed between two concentric rotary members, which it tolerates the differences in play as well as possible ovalizations. Small dimensions, it can be made of material of appropriate specific mechanical qualities, possibly more expensive than that of the rotary members, without increasing the cost price of the assembly. Its manufacture and assembly in large series present no particular difficulty. In addition, the braking efficiency can be adapted to each case considered, with the same standardized device.
  • the subject of the invention is a device for braking in rotation between two concentric members, characterized in that it comprises a crown, the annular base of which is extended by a plurality of radially elastically deformable legs, the free ends of which rub against the inside. of a cylindrical bearing secured to the external member, the base of the crown being subject to the internal member.
  • the invention also relates to a case, for lipstick or other stick product, with a rotary mechanism for axial translation of the stick carried by a bucket with radial lugs cooperating with a double helical groove dug in a sheath and with a longitudinal slot another concentric and respectively rotary sheath, - case characterized in that it comprises a braking device according to one of claims 1 to 10, the crown of which is secured to the base of the internal sheath of the case, the legs rubbing inside a marginal part of the base of the outer sheath or of an outer sheath secured to the outer sheath and extending it.
  • the lipstick case shown in FIGS. 1 and 2 essentially comprises a cursor cup 1 lipstick stick holder having two radial lugs 2 which slide, through longitudinal slots 3, 3 a of a tubular sheath internal 4, in helical grooves 5.5a of an external sleeve 6 secured to an open tubular case 7.
  • the sleeve 6 rotates freely around the sheath 4 and the base of the case 7 projects below the base of the sleeve 6, thus providing an annular space and constituting a smooth cylindrical surface for the friction of the swollen ends 19 of legs 9 elastically externally curved and radially deformable, coming from the base of a crown 10, inserted around the base of the sheath 4, as shown in FIG. 2.
  • the base of the crown 10 has longitudinal grooves 11, 11 a which cooperate with ribs 12, 12 a from the base of the sheath 4 for rotating rotation of the crown 10 on the internal sheath 4.
  • An annular flange 13 of the end of the sheath 4 axially wedges the crown 10.
  • another split annular rim 14 fits elastically on the corresponding end of the sleeve 6 to wedge it axially, in cooperation with the ends 19 of the tabs 9, opposite.
  • FIG. 2 When the various elements of FIG. 1 are assembled, as shown in FIG. 2, and the sheath 4 is rotated relative to the sleeve 6, the bucket 1 moves axially in the grooves 3, 3 a , the crown 10 is driven by the sheath 4 and the bulged outer ends 19 of its legs 9 come rub elastically inside the base of the case 7 secured to the sleeve 6, thus creating a soft and regular friction practically insensitive to ovalizations and differences in usual dimensions inevitable in parts molded in series.
  • the sheath 4, and the sleeve 6 of polystyrene or polypropylene, the cup 1 of polystyrene, the crown 10 of acetal resin, and the case 10 of polystyrene It is obviously possible to use any other suitable suitable plastic material, and their qualities may be modified by adding conventional fillers such as silicone, fiberglass, molybdenum sulfide, glass microbeads, polytetrafluoroethylene, in particular to improve or lessen their resistance to friction or their elasticity.
  • the case 7 can also be made of metal, in particular of light or copper alloy.
  • the second embodiment of the lipstick case shown in FIGS. 3 to 9 comprises the same elements as that of FIGS. 1 and 2: an internal sheath 4 a , a sleeve 6 a , a case 7 a , a crown 10 a .
  • an internal sheath 4 a a sleeve 6 a
  • a case 7 a a case 7 a
  • a crown 10 a a crown 10 a .
  • the stick-holder bucket similar to bucket 1 in FIGS. 1 and 2 has not been shown.
  • FIG. 1 This second embodiment of Figures 3 to 9 differs from that of Figures 1 and 2 in that the base of the sheath 4 has two ribs 15, 15 has annular, of triangular section widening from the end of the base of the sheath 4, axially offset from one another and of an annular bearing 16.
  • An annular rib 17 cooperates with the opposite flange 14 a of the sheath 4 a to keep the sleeve 6 a in free rotation, wedged axially around the sheath 4 a .
  • the ribs 15, 15 a of the base of the sheath 4 a cooperate with snap-fastening with internal grooves 18, 18 a of the base of the crown 10 a to secure the crown of the sheath in two positions illustrated in FIGS. 8 and 9 and indicated respectively in solid lines and in dotted lines in FIG. 4.
  • the elasticity of the legs of the crown and, consequently, the intensity of braking also depends on the free length of the legs, the short legs being more as rigid as the long legs, but also the size of their section, and also the width of their bearing surface.
  • a braking mechanism according to the invention requires no lubrication, which is an advantage compared to conventional mechanisms.

Abstract

Dispositif comprenant une couronne (10a) dont la base annulaire, assujettie à l'organe intérieur (4a), se prolonge par une pluralité de pattes (9a) élastiquement déformables radialement dont les extrémités libres viennent frotter à l'intérieur d'une portée cylindrique solidaire de l'organe extérieur (6a). <IMAGE>Device comprising a crown (10a), the annular base of which, subject to the internal member (4a), is extended by a plurality of radially elastically deformable legs (9a), the free ends of which rub against the inside of a cylindrical seat integral with the external member (6a). <IMAGE>

Description

La présente invention concerne la petite industrie mécanique, plus particulièrement dans le domaine du conditionnement en étuis tournants de substances en bâton telles que des produits cosmétiques, notamment de rouge à lèvres, des produits pharmaceutiques, des colles, et des produits d'entretien domestique.The present invention relates to the small mechanical industry, more particularly in the field of packaging in revolving cases of stick substances such as cosmetic products, in particular lipstick, pharmaceutical products, glues, and household cleaning products.

Dans les étuis tournants du type mécanismes de rouge à lèvres, il est souhaitable d'introduire des moyens de freinage en rotation afin d'éviter des déplacements intempestifs du bâton lors de son utilisation ou en cours de transport. Pour cela, on a eu recours à des frictions localisées entre les deux gaines concentriques avec interposition d'une bague libre comprimée, comme décrit dans le brevet français n° 1.417.277, avec déformation des gaines ou frottement du godet-curseur porte-bâton contre la gaine qui l'entoure comme décrit dans le brevet français n° 1.501.043. Ces solutions classiques présentent des inconvénients, notamment des irrégularités d'efficacité découlant aussi bien des tolérances de moulage des gaines et du godet-curseur que de la nature de la matière plastique dans laquelle ils sont moulés et dont le choix est imposé par les contraintes mécaniques auxquelles ils sont soumis ainsi que par leur facilité de moulage en grande série et leur coût.In rotating cases of the lipstick mechanism type, it is desirable to introduce rotational braking means in order to avoid inadvertent movements of the stick during its use or during transport. For this, use was made of localized friction between the two concentric sheaths with the interposition of a compressed free ring, as described in French Patent No. 1,417,277, with deformation of the sheaths or friction of the stick-holder slider bucket against the sheath which surrounds it as described in French patent n ° 1,501,043. These conventional solutions have drawbacks, in particular efficiency irregularities arising as well from the molding tolerances of the sheaths and the bucket-slider as from the nature of the plastic material from which they are molded and the choice of which is imposed by mechanical constraints. to which they are subjected as well as by their ease of mass production and their cost.

L'invention a pour but de pallier les inconvénients des moyens de freinage classiques grâce à un dispositif souple intercalé entre deux organes rotatifs concentriques, dont il tolère les différences de jeu ainsi que les éventuelles ovalisations. De faibles dimensions, il peut être réalisé en matériau de qualités mécaniques spécifiques appropriées, éventuellement plus cher que celui des organes rotatifs, sans grever le prix de revient de l'ensemble. Sa fabrication et son montage en grande série ne présentent aucune difficulté particulière. De plus, l'efficacité du freinage peut être adaptable à chaque cas considéré, avec un même dispositif standardisé.The invention aims to overcome the drawbacks of conventional braking means with a flexible device interposed between two concentric rotary members, which it tolerates the differences in play as well as possible ovalizations. Small dimensions, it can be made of material of appropriate specific mechanical qualities, possibly more expensive than that of the rotary members, without increasing the cost price of the assembly. Its manufacture and assembly in large series present no particular difficulty. In addition, the braking efficiency can be adapted to each case considered, with the same standardized device.

L'invention a pour objet un dispositif de freinage en rotation entre deux organes concentriques, caractérisé en ce qu'il comprend une couronne dont la base annulaire se prolonge par une pluralité de pattes élastiquement déformables radialement dont les extrémités libres viennent frotter à l'intérieur d'une portée cylindrique solidaire de l'organe extérieur, la base de la couronne étant assujettie à l'organe intérieur.The subject of the invention is a device for braking in rotation between two concentric members, characterized in that it comprises a crown, the annular base of which is extended by a plurality of radially elastically deformable legs, the free ends of which rub against the inside. of a cylindrical bearing secured to the external member, the base of the crown being subject to the internal member.

Suivant diverses dispositions constructives avantageuses:

  • Chacune des extrémités flexibles des pattes peut présenter vers l'extérieur un renflement formant frottoir;
  • L'organe intérieur peut présenter une portée annulaire externe limitant le débattement centripète des pattes sur une partie de leur longueur à partir de la base et les incurvant éventuellement vers l'extérieur;
  • La base de la couronne peut être assujettie sur l'organe interne par encliquetage d'au moins une protubérance annulaire de l'un dans une rainure complémentaire de l'autre;
  • Au moins deux rainures décalées axialement peuvent être offertes à au moins une protubérance;
  • De même, au moins deux protubérances annulaires décalées axialement peuvent être offertes à au moins une rainure;
  • Protubérance et rainure correspondante peuvent avoir une forme tronconique s'évasant en direction des pattes;
  • La base de la couronne peut être calée en rotation sur l'organe interne par l'association d'au moins une nervure parallèle à l'axe de l'une insérée dans une rainure correspondante de l'autre;
  • Au moins quelques pattes peuvent être sécables à volonté à leur base;
  • Le matériau de la couronne peut être d'une dureté différente de celui de la portée de l'organe externe;
According to various advantageous constructive provisions:
  • Each of the flexible ends of the legs can have a bulge outwardly forming a rub;
  • The internal member can have an external annular bearing limiting the centripetal movement of the legs over part of their length from the base and possibly bending them outwards;
  • The base of the crown can be fixed on the internal member by snap-fastening of at least one annular protuberance of one in a groove complementary to the other;
  • At least two axially offset grooves can be offered to at least one protuberance;
  • Likewise, at least two axially offset annular protrusions can be offered to at least one groove;
  • The protuberance and corresponding groove may have a frustoconical shape which widens in the direction of the legs;
  • The base of the crown can be locked in rotation on the internal member by the association of at least one rib parallel to the axis of one inserted in a corresponding groove on the other;
  • At least some legs can be split at will at their base;
  • The material of the crown may be of a different hardness from that of the scope of the external member;

L'invention a aussi pour objet un étui, pour rouge à lèvres ou autre produit en bâton, à mécanisme rotatif de translation axiale du bâton porté par un godet à ergots radiaux coopérant avec une double rainure hélicoïdale creusée dans une gaine et avec une fente longitudinale d'une autre gaine concentrique et respectivement rotative, - étui caractérisé en ce qu'il comprend un dispositif de freinage suivant l'une des revendications 1 à 10 dont la couronne est assujettie à la base de la gaine interne de l'étui, les pattes frottant à l'intérieur d'une partie marginale de la base de la gaine externe ou d'un fourreau extérieur solidaire de la gaine externe et la prolongeant.The invention also relates to a case, for lipstick or other stick product, with a rotary mechanism for axial translation of the stick carried by a bucket with radial lugs cooperating with a double helical groove dug in a sheath and with a longitudinal slot another concentric and respectively rotary sheath, - case characterized in that it comprises a braking device according to one of claims 1 to 10, the crown of which is secured to the base of the internal sheath of the case, the legs rubbing inside a marginal part of the base of the outer sheath or of an outer sheath secured to the outer sheath and extending it.

L'invention pourra être plus aisément comprise par l'examen et la description détaillée des dessins annexés qui représentent deux modes de réalisation de l'invention, choisis simplement à titre d'exemple parmi les nombreuses formes d'exécution, adaptations et variantes de l'invention accessibles à un technicien averti.The invention can be more easily understood by examining and detailed description of the appended drawings which represent two embodiments of the invention, chosen simply by way of example from the numerous embodiments, adaptations and variants of the invention accessible to an informed technician.

Sur ces dessins:

  • la figure 1 est une vue schématique, en perspective éclatée, d'un premier mode de réalisation d'un étui de rouge à lèvres suivant l'invention;
  • la figure 2 est une vue schématique, en élévation et pour moitié en coupe axiale de l'étui de la figure 1;
  • la figure 3 est une vue schématique, en élévation et en coupe axiale d'un second mode de réalisation d'un étui de rouge à lèvres suivant l'invention, dont les moitiés droite et gauche représentent deux dispositions de la couronne de freinage correspondant à deux valeurs de freinage différentes;
  • la figure 4 est une vue schématique de détail, à plus grande échelle, en élévation et en coupe axiale, du dispositif de freinage adaptable de l'étui de la figure 3;
  • la figure 5 est une vue schématique, en élévation et en coupe axiale, de la base de l'organe interne de l'étui de la figure 3;
  • la figure 6 est une vue schématique, en élévation et en coupe axiale, de la couronne de l'étui de la figure 3;
  • la figure 7 est une vue schématique, en élévation et en demi-coupe axiale, des deux organes rotatifs de l'étui de la figure 3;
  • la figure 8 est une vue schématique, en élévation et en demi-coupe axiale, d'une première disposition de la couronne et de la base de l'organe intérieur de l'étui de la figure 3, pour un freinage faible; et,
  • la figure 9 est une vue analogue à celle de la figure 8 d'une seconde disposition à freinage plus fort.
In these drawings:
  • Figure 1 is a schematic view, in exploded perspective, of a first embodiment of a lipstick case according to the invention;
  • Figure 2 is a schematic view, in elevation and half in axial section of the case of Figure 1;
  • FIG. 3 is a schematic view, in elevation and in axial section of a second embodiment of a lipstick case according to the invention, the right and left halves of which represent two arrangements of the braking ring corresponding to two different braking values;
  • Figure 4 is a schematic detail view, on a larger scale, in elevation and in axial section, of the adaptable braking device of the case of Figure 3;
  • Figure 5 is a schematic view, in elevation and in axial section, of the base of the internal member of the case of Figure 3;
  • Figure 6 is a schematic view, in elevation and in axial section, of the crown of the case of Figure 3;
  • Figure 7 is a schematic view, in elevation and in axial half-section, of the two rotary members of the case of Figure 3;
  • Figure 8 is a schematic view, in elevation and in axial half-section, of a first arrangement of the crown and the base of the inner member of the case of Figure 3, for weak braking; and,
  • Figure 9 is a view similar to that of Figure 8 of a second arrangement with stronger braking.

Sur ces figures, les éléments correspondants sont désignés par les mêmes références numériques, éventuellement affectées d'un indice. Les dimensions et les proportions respectives de ces éléments peuvent ne pas être respectées afin de rendre les dessins plus lisibles.In these figures, the corresponding elements are designated by the same reference numerals, possibly assigned an index. The respective dimensions and proportions of these elements may not be respected in order to make the drawings more legible.

L'étui de rouge à lèvres représenté sur les figures 1 et 2 comprend essentiellement un godet-curseur 1 porte-bâton de rouge à lèvres présentant deux ergots radiaux 2 qui coulissent, à travers des lumières longitudinales 3, 3a d'une gaine tubulaire interne 4, dans des rainures hélicoïdales 5,5a d'un manchon externe 6 solidaire d'un étui tubulaire externe 7 ouvert. Le manchon 6 tourne librement autour de la gaine 4 et la base de l'étui 7 déborde en dessous de la base du manchon 6, ménageant ainsi un espace annulaire et constituant une portée lisse cylindrique pour le frottement des extrémités renflées 19 de pattes 9 élastiquement recourbées extérieurement et déformables radialement, issues de la base d'une couronne 10, insérée autour de la base de la gaine 4, comme représenté sur la figure 2. La base de la couronne 10 présente des rainures longitudinales 11, 11a qui coopèrent avec des nervures 12, 12a de la base de la gaine 4 pour caler en rotation la couronne 10 sur la gaine interne 4. Un rebord annulaire 13 de l'extrémité de la gaine 4 cale axialement la couronne 10. A l'autre extrémité de la gaine 4, un autre rebord annulaire fendu 14 vient s'emboîter élastiquement sur l'extrémité correspondante du manchon 6 pour le caler axialement, en coopération avec les extrémités 19 des pattes 9, à l'opposé.The lipstick case shown in FIGS. 1 and 2 essentially comprises a cursor cup 1 lipstick stick holder having two radial lugs 2 which slide, through longitudinal slots 3, 3 a of a tubular sheath internal 4, in helical grooves 5.5a of an external sleeve 6 secured to an open tubular case 7. The sleeve 6 rotates freely around the sheath 4 and the base of the case 7 projects below the base of the sleeve 6, thus providing an annular space and constituting a smooth cylindrical surface for the friction of the swollen ends 19 of legs 9 elastically externally curved and radially deformable, coming from the base of a crown 10, inserted around the base of the sheath 4, as shown in FIG. 2. The base of the crown 10 has longitudinal grooves 11, 11 a which cooperate with ribs 12, 12 a from the base of the sheath 4 for rotating rotation of the crown 10 on the internal sheath 4. An annular flange 13 of the end of the sheath 4 axially wedges the crown 10. At the other end of the sheath 4, another split annular rim 14 fits elastically on the corresponding end of the sleeve 6 to wedge it axially, in cooperation with the ends 19 of the tabs 9, opposite.

Ainsi, lorsque les divers éléments de la figure 1 sont assemblés, comme représenté sur la figure 2, et que l'on fait tourner la gaine 4 par rapport au manchon 6, le godet 1 se déplace axialement dans les rainures 3, 3a, la couronne 10 est entraînée par la gaine 4 et les extrémités extérieures renflées 19 de ses pattes 9 viennent frotter élastiquement à l'intérieur de la base de l'étui 7 solidaire du manchon 6, créant ainsi un frottement doux et régulier pratiquement insensible aux ovalisations et différences de dimensions usuelles inévitables dans les pièces moulées en série.Thus, when the various elements of FIG. 1 are assembled, as shown in FIG. 2, and the sheath 4 is rotated relative to the sleeve 6, the bucket 1 moves axially in the grooves 3, 3 a , the crown 10 is driven by the sheath 4 and the bulged outer ends 19 of its legs 9 come rub elastically inside the base of the case 7 secured to the sleeve 6, thus creating a soft and regular friction practically insensitive to ovalizations and differences in usual dimensions inevitable in parts molded in series.

Si l'on désire un frottement moindre, il suffit de casser à leur base quelques unes des pattes 9, de préférence réparties régulièrement.If a lower friction is desired, it suffices to break at their base some of the legs 9, preferably distributed regularly.

On pourra avantageusement mouler la gaine 4, et le manchon 6 en polystyrène ou polypropylène, le godet 1 en polystyrène, la couronne 10 en résine acétal, et l'étui 10 en polystyrène. On peut évidemment utiliser toute autre matière plastique convenable connue, et on pourra modifier leurs qualités par adjonction de charges classiques telles que silicone, fibre de verre, sulfure de molybdène, microbilles de verre, polytétrafluoréthylène, notamment pour améliorer ou amoindrir leur résistance au frottement ou leur élasticité. L'étui 7 peut aussi être réalisé en métal, notamment en alliage léger ou cuivreux.It is advantageously possible to mold the sheath 4, and the sleeve 6 of polystyrene or polypropylene, the cup 1 of polystyrene, the crown 10 of acetal resin, and the case 10 of polystyrene. It is obviously possible to use any other suitable suitable plastic material, and their qualities may be modified by adding conventional fillers such as silicone, fiberglass, molybdenum sulfide, glass microbeads, polytetrafluoroethylene, in particular to improve or lessen their resistance to friction or their elasticity. The case 7 can also be made of metal, in particular of light or copper alloy.

Le second mode de réalisation d'étui de rouge à lévres représenté sur les figures 3 à 9 comprend les mêmes éléments que celui des figures 1 et 2: une gaine interne 4a, un manchon 6a, un étui 7a, une couronne 10a. Pour simplifier le dessin, on n'a pas représenté le godet-curseur porte-bâton analogue au godet 1 des figures 1 et 2.The second embodiment of the lipstick case shown in FIGS. 3 to 9 comprises the same elements as that of FIGS. 1 and 2: an internal sheath 4 a , a sleeve 6 a , a case 7 a , a crown 10 a . To simplify the drawing, the stick-holder bucket similar to bucket 1 in FIGS. 1 and 2 has not been shown.

Ce second mode de réalisation des figures 3 à 9 diffère de celui des figures 1 et 2 en ce que la base de la gaine 4a présente deux nervures 15, 15a annulaires, de section triangulaire s'élargissant à partir de l'extrémité de la base de la gaine 4, décalées axialement l'une de l'autre et d'une portée annulaire 16. Une nervure annulaire 17 coopère avec le rebord opposé 14a de la gaine 4a pour maintenir le manchon 6a en rotation libre, calé axialement autour de la gaine 4a. Les nervures 15, 15a de la base de la gaine 4a coopèrent à encliquetage avec des rainures internes 18, 18a de la base de la couronne 10a pour solidariser la couronne de la gaine suivant deux positions illustrées sur les figures 8 et 9 et indiquées respectivement en trait plein et en pointillé sur la figure 4.This second embodiment of Figures 3 to 9 differs from that of Figures 1 and 2 in that the base of the sheath 4 has two ribs 15, 15 has annular, of triangular section widening from the end of the base of the sheath 4, axially offset from one another and of an annular bearing 16. An annular rib 17 cooperates with the opposite flange 14 a of the sheath 4 a to keep the sleeve 6 a in free rotation, wedged axially around the sheath 4 a . The ribs 15, 15 a of the base of the sheath 4 a cooperate with snap-fastening with internal grooves 18, 18 a of the base of the crown 10 a to secure the crown of the sheath in two positions illustrated in FIGS. 8 and 9 and indicated respectively in solid lines and in dotted lines in FIG. 4.

Lorsque la couronne 10a est peu enfoncée sur la base de la gaine 4a, les deux nervures 15, 15a étant en prise dans les rainures 18, 18a (figure 8), ses pattes 9a ne sont pas ou peu repoussées radialement extérieurement par la portée 16 et leurs extrémités libres 19a s'écartent radialement de la paroi externe de la gaine 4a d'une distance x1 légèrement supérieure à la distance x (figure 7) séparant la paroi externe de la gaine 4a de la paroi interne de l'étui 7a, ce qui procure un freinage doux.When the crown 10 a is little pressed into the base of the sheath 4 a , the two ribs 15, 15 a being engaged in the grooves 18, 18 a (FIG. 8), its legs 9a are not or only slightly pushed radially outwardly by the bearing surface 16 and their free ends 19 a deviate radially from the external wall of the sheath 4 a by a distance x1 slightly greater than the distance x (FIG. 7) separating the external wall of the sheath 4 a from the wall internal of the case 7a, which provides a smooth braking.

Par contre, lorsque la couronne 10a est enfoncée davantage sur la base de la gaine 4a, la nervure 15a étant seule en prise avec la rainure 18 (figure 9), et la base des pattes étant relativement éloignée de la portée 16, les pattes 9a sont repoussées radialement extérieurement par la portée 16 à une distance x2 supérieure à la distance x1, ce qui procure un freinage plus fort, les pattes 9a appuyant plus fortement sur la paroi interne de la base de l'étui 7a.On the other hand, when the crown 10 a is pressed further onto the base of the sheath 4 a , the rib 15 a being alone engaged with the groove 18 (FIG. 9), and the base of the legs being relatively distant from the bearing surface 16, the lugs 9a are pushed radially outwardly by the bearing 16 at a distance x2 greater than distance x1, which provides a stronger braking, the lugs 9 a pressing more strongly on the inner wall of the base of the case 7a .

Ainsi, avec les mêmes pièces, un simple réglage de machine pour enfoncer plus ou moins la couronne sur la base de la gaine lors de l'assemblage des éléments, permet d'obtenir à volonté un freinage plus doux ou plus fort à la rotation de la gaine 4a dans le manchon 6a.Thus, with the same parts, a simple adjustment of the machine to press the crown more or less on the base of the sheath during the assembly of the elements, makes it possible to obtain at will smoother or stronger braking at the rotation of the sheath 4 a in the sleeve 6 a .

L'élasticité des pattes de la couronne et, par suite, l'intensité du freinage dépend aussi de la longueur libre des pattes, les pattes courtes étant plus rigides que les pattes longues, mais aussi de la grosseur de leur section, et encore de la largeur de leur surface d'appui.The elasticity of the legs of the crown and, consequently, the intensity of braking also depends on the free length of the legs, the short legs being more as rigid as the long legs, but also the size of their section, and also the width of their bearing surface.

Un mécanisme de freinage suivant l'invention ne nécessite aucun graissage, ce qui est un avantage par rapport aux mécanismes classiques.A braking mechanism according to the invention requires no lubrication, which is an advantage compared to conventional mechanisms.

Claims (11)

Dispositif de freinage en rotation entre deux organes concentriques, caractérisé en ce qu'il comprend une couronne (10) dont la base annulaire se prolonge par une pluralité de pattes (9) élastiquement déformables radialement dont seules les extrémités libres viennent frotter en rotation à l'intérieur d'une portée cylindrique solidaire de l'organe extérieur (6), la base de la couronne étant assujettie à l'organe intérieur (4).Braking device in rotation between two concentric members, characterized in that it comprises a crown (10) whose annular base is extended by a plurality of radially elastically deformable legs (9) of which only the free ends rub in rotation with the 'interior of a cylindrical bearing secured to the outer member (6), the base of the crown being subject to the inner member (4). Dispositif suivant la revendication 1, caractérisé en ce que chacune des extrémités flexibles des pattes présente vers l'extérieur un renflement (19) formant frottoir.Device according to claim 1, characterized in that each of the flexible ends of the tabs presents towards the outside a bulge (19) forming a rub. Dispositif suivant l'une des revendications 1 et 2, caractérisé en ce que l'organe intérieur (4) présente une portée annulaire (16) externe limitant le débattement centripète des pattes (9a) sur une partie de leur longueur à partir de la base et les incurvant éventuellement vers l'extérieur.Device according to either of Claims 1 and 2, characterized in that the internal member (4) has an external annular bearing (16) limiting the centripetal movement of the legs (9 a ) over part of their length from the base and possibly curving them outwards. Dispositif suivant la revendication 3, caractérisé en ce que la base de la couronne (10a) est assujettie sur l'organe interne (4a) par encliquetage d'au moins une protubérance annulaire (15) de l'un dans une rainure complémentaire (18) de l'autre.Device according to claim 3, characterized in that the base of the crown (10 a ) is fixed on the internal member (4 a ) by snap-fastening of at least one annular protuberance (15) of one in a complementary groove (18) on the other. Dispositif suivant la revendication 4, caractérisé en ce qu'au moins deux rainures (18) décalées axialement sont offertes à au moins une protubérance (15).Device according to claim 4, characterized in that at least two axially offset grooves (18) are offered to at least one protuberance (15). Dispositif suivant l'une des revendications 4 et 5, caractérisé en ce qu'au moins deux protubérances annulaires (15) décalées axialement sont offertes à au moins une rainure (18).Device according to either of Claims 4 and 5, characterized in that at least two axially offset annular protuberances (15) are offered to at least one groove (18). Dispositif suivant l'une des revendications 4 à 6, caractérisé en ce que protubérance (15) et rainure (18) correspondantes ont une forme tronconique s'évasant en direction des pattes.Device according to one of Claims 4 to 6, characterized in that the corresponding protuberance (15) and groove (18) have a frustoconical shape which widens in the direction of the legs. Dispositif suivant l'une des revendications 1 à 7, caractérisé en ce que la base de la couronne (10) est calée en rotation sur l'organe interne (4) par l'association d'au moins une nervure (12) parallèle à l'axe de l'une, insérée dans une rainure correspondante (11) de l'autre.Device according to one of Claims 1 to 7, characterized in that the base of the crown (10) is locked in rotation on the internal member (4) by the association of at least one rib (12) parallel to the axis of one, inserted in a corresponding groove (11) on the other. Dispositif suivant l'une des revendications 1 à 8, caractérisé en ce qu'au moins quelques pattes sont sécables à volonté à leur base.Device according to one of claims 1 to 8, characterized in that at least a few legs are breakable at will at their base. Dispositif suivant l'une des revendications 1 à 9, caractérisé en ce que le matériau de la couronne est d'une dureté différente de celui de la portée de l'organe externe.Device according to one of claims 1 to 9, characterized in that the material of the crown has a hardness different from that of the bearing surface of the external member. Etui, pour rouge à lèvres ou autre produit en bâton, à mécanisme rotatif de translation axiale du bâton porté par un godet à ergots radiaux coopérant avec une double rainure hélicoïdale creusée dans une gaine et avec une fente longitudinale d'une autre gaine concentrique et respectivement rotative, - étui caractérisé en ce qu'il comprend un dispositif de freinage suivant l'une des revendications 1 à 10 dont la couronne (10) est assujettie à la base de la gaine interne (4) de l'étui, les extrémités des pattes (9) frottant en rotation à l'intérieur d'une partie marginale de la base de la gaine externe (6) ou d'un fourreau extérieur (7) solidaire de la gaine externe et la prolongeant.Case, for lipstick or other stick product, with rotary mechanism for axial translation of the stick carried by a bucket with radial lugs cooperating with a double helical groove dug in a sheath and with a longitudinal slot of another concentric sheath and respectively rotary, - case characterized in that it comprises a braking device according to one of claims 1 to 10, the crown (10) of which is secured to the base of the internal sheath (4) of the case, the ends of the lugs (9) rubbing in rotation inside a marginal part of the base of the external sheath (6) or of an external sheath (7) integral with the external sheath and extending it.
EP91400052A 1990-01-19 1991-01-11 Rotation brake between two concentric parts and lipstick case or similar comprising such a brake Expired - Lifetime EP0439381B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9000600 1990-01-19
FR9000600A FR2657238B1 (en) 1990-01-19 1990-01-19 BRAKING DEVICE ROTATING BETWEEN TWO CONCENTRIC ORGANS AND LIPSTICK CASE OR THE LIKE COMPRISING SUCH A DEVICE.

Publications (2)

Publication Number Publication Date
EP0439381A1 true EP0439381A1 (en) 1991-07-31
EP0439381B1 EP0439381B1 (en) 1994-08-24

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EP91400052A Expired - Lifetime EP0439381B1 (en) 1990-01-19 1991-01-11 Rotation brake between two concentric parts and lipstick case or similar comprising such a brake

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US (1) US5096318A (en)
EP (1) EP0439381B1 (en)
JP (2) JP2525959B2 (en)
KR (2) KR910014077A (en)
CN (1) CN1032112C (en)
AT (1) ATE110238T1 (en)
CA (1) CA2034538C (en)
DE (1) DE69103539T2 (en)
DK (1) DK0439381T3 (en)
ES (1) ES2062698T3 (en)
FR (1) FR2657238B1 (en)

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FR2713455A1 (en) * 1993-12-14 1995-06-16 Oreal Device for applying a pasty product, in particular a cosmetic product such as lipstick.
FR2715037A1 (en) * 1994-01-20 1995-07-21 Cosmoplast Sa Case for lipstick with sliding cursor holding lipstick
FR2722668A3 (en) * 1994-07-20 1996-01-26 Reboul Smt Cosmetic stick propelling/retracting mechanism
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FR2846533A1 (en) 2002-10-30 2004-05-07 Rexam Reboul LIPSTICK MECHANISM OR THE LIKE WITH RELIEF BRAKING OF THE INTERNAL SHEATH.
FR2880777A1 (en) * 2005-01-17 2006-07-21 Precis Sa Stick shape cosmetic product e.g. lipstick, case, has base, driver, slide, sheath and cover made up of mixture of ten percent proportion of glass fiber and certain proportions of plastic materials
US7112002B2 (en) 2001-04-27 2006-09-26 Rexam Reboul Lipstick mechanism or the like with frictional braking
WO2015011379A1 (en) * 2013-07-26 2015-01-29 Axilone Plastique System for holding a cosmetic product in the form of a stick of material, casing provided with such a holding system and assembly method
EP3127451A1 (en) * 2015-08-04 2017-02-08 Albéa Services Assembly for container of cosmetic product and container comprising such an assembly
EP3104740A4 (en) * 2014-02-14 2017-09-20 HCP Packaging USA, Inc. Cosmetic dispenser with crenelated wall for frictional resistance
FR3114948A1 (en) 2020-10-14 2022-04-15 L'oreal Cope and spiral of lipstick obtained by bi-injection

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FR2737647B1 (en) * 1995-08-10 1998-04-10 Reboul Smt LIPSTICK CASE AND ROTARY ANALOGS WITH AXIAL GAME TAKE-UP
US5842803A (en) * 1996-09-24 1998-12-01 Rexam Cosmetic Packaging, Inc. Cosmetic container for braking and centering coaxial, tubular members
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US20060165471A1 (en) * 2005-01-24 2006-07-27 Antonio Fernandez Fernandez Casing for bar-shaped cosmetic products
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GB2446394A (en) * 2007-02-09 2008-08-13 Toly Products Dispensing container for lipstick and the like
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KR101539757B1 (en) * 2013-12-20 2015-07-28 이지원 A cosmetic device for making up eyes with both of eye-liner and eye-shadow
FR3036263B1 (en) * 2015-05-18 2017-06-02 Reboul S A S CROWN OF A ROTATING COSMETIC CASE
FR3050365B1 (en) * 2016-04-21 2018-05-18 Albea Services DEVICE FOR A COSMETIC PRODUCT STICK, IN PARTICULAR A LIP RED STICK
KR102114660B1 (en) * 2017-06-02 2020-05-25 주식회사 에뛰드 Support, container body and cosmetic container
US11485567B2 (en) * 2020-04-09 2022-11-01 Shi Chia Lin Industry Co., Ltd. Coaxial container for dispensing a tubular product
KR20210144214A (en) * 2020-05-21 2021-11-30 주식회사 엘지생활건강 A Cosmetic vessel
US11311092B1 (en) * 2021-01-14 2022-04-26 Elc Management Llc Glue-free case for a stick product
FR3124060A1 (en) * 2021-06-16 2022-12-23 Albea Services Device for a cosmetic product, in particular a lipstick stick

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Cited By (20)

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EP0658325A1 (en) * 1993-12-14 1995-06-21 L'oreal Device for applying a pasty product, in particular a cosmetic product such as lipstick
EP0729719A1 (en) * 1993-12-14 1996-09-04 L'oreal Device for applying a pasty product, in particular a cosmetic product such as lipstick
US6036387A (en) * 1993-12-14 2000-03-14 L'oreal Device for applying a pasty product, particularly a cosmetic product such as lipstick
US6312179B1 (en) 1993-12-14 2001-11-06 L'oreal Device for applying a pasty product, particularly a cosmetic product such as lipstick
FR2713455A1 (en) * 1993-12-14 1995-06-16 Oreal Device for applying a pasty product, in particular a cosmetic product such as lipstick.
FR2715037A1 (en) * 1994-01-20 1995-07-21 Cosmoplast Sa Case for lipstick with sliding cursor holding lipstick
FR2722668A3 (en) * 1994-07-20 1996-01-26 Reboul Smt Cosmetic stick propelling/retracting mechanism
WO2001095760A1 (en) 2000-06-14 2001-12-20 Rexam Reboul Lipstick case with transparent base and method for packaging paste
FR2810218A1 (en) 2000-06-14 2001-12-21 Rexam Reboul Lipstick case comprises coaxial sleeves rotating with slider-cup axial drive, inner sleeve integral with transparent base and slider-cup and sleeve have open base
US7112002B2 (en) 2001-04-27 2006-09-26 Rexam Reboul Lipstick mechanism or the like with frictional braking
FR2846533A1 (en) 2002-10-30 2004-05-07 Rexam Reboul LIPSTICK MECHANISM OR THE LIKE WITH RELIEF BRAKING OF THE INTERNAL SHEATH.
FR2880777A1 (en) * 2005-01-17 2006-07-21 Precis Sa Stick shape cosmetic product e.g. lipstick, case, has base, driver, slide, sheath and cover made up of mixture of ten percent proportion of glass fiber and certain proportions of plastic materials
WO2015011379A1 (en) * 2013-07-26 2015-01-29 Axilone Plastique System for holding a cosmetic product in the form of a stick of material, casing provided with such a holding system and assembly method
FR3008866A1 (en) * 2013-07-26 2015-01-30 Axilone Plastique SYSTEM FOR RETAINING A COSMETIC PRODUCT IN THE FORM OF A MATERIAL STICK, CASE PROVIDED WITH SUCH A RETENTION SYSTEM AND METHOD OF ASSEMBLY.
US9820550B2 (en) 2013-07-26 2017-11-21 Axilone Plastique System for holding a cosmetic product in the form of a stick of material, casing provided with such a holding system and assembly method
EP3104740A4 (en) * 2014-02-14 2017-09-20 HCP Packaging USA, Inc. Cosmetic dispenser with crenelated wall for frictional resistance
EP3127451A1 (en) * 2015-08-04 2017-02-08 Albéa Services Assembly for container of cosmetic product and container comprising such an assembly
FR3039758A1 (en) * 2015-08-04 2017-02-10 Albea Services ASSEMBLY FOR RECEPTACLE OF COSMETIC PRODUCT AND RECEPTACLE COMPRISING SUCH AN ASSEMBLY.
US10098436B2 (en) 2015-08-04 2018-10-16 Albea Services Assembly for container of cosmetic product and container comprising such an assembly
FR3114948A1 (en) 2020-10-14 2022-04-15 L'oreal Cope and spiral of lipstick obtained by bi-injection

Also Published As

Publication number Publication date
JP2525959B2 (en) 1996-08-21
EP0439381B1 (en) 1994-08-24
CN1032112C (en) 1996-06-26
FR2657238B1 (en) 1992-04-03
ES2062698T3 (en) 1994-12-16
JPH04341209A (en) 1992-11-27
CA2034538A1 (en) 1991-07-20
CA2034538C (en) 1994-03-22
US5096318A (en) 1992-03-17
JPH08168413A (en) 1996-07-02
KR940004277B1 (en) 1994-05-19
CN1053353A (en) 1991-07-31
DE69103539D1 (en) 1994-09-29
ATE110238T1 (en) 1994-09-15
DE69103539T2 (en) 1994-12-22
FR2657238A1 (en) 1991-07-26
DK0439381T3 (en) 1994-10-17
KR910014077A (en) 1991-08-31

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