EP0844837A1 - Rotary case for lipstick and the like with axial clearance adjustment - Google Patents

Rotary case for lipstick and the like with axial clearance adjustment

Info

Publication number
EP0844837A1
EP0844837A1 EP96927734A EP96927734A EP0844837A1 EP 0844837 A1 EP0844837 A1 EP 0844837A1 EP 96927734 A EP96927734 A EP 96927734A EP 96927734 A EP96927734 A EP 96927734A EP 0844837 A1 EP0844837 A1 EP 0844837A1
Authority
EP
European Patent Office
Prior art keywords
sheath
collar
base
internal
case according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96927734A
Other languages
German (de)
French (fr)
Other versions
EP0844837B1 (en
Inventor
Claude Susini
Olivier Lecomte
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.)
Reboul SAS
Original Assignee
Rexam Reboul SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rexam Reboul SA filed Critical Rexam Reboul SA
Publication of EP0844837A1 publication Critical patent/EP0844837A1/en
Application granted granted Critical
Publication of EP0844837B1 publication Critical patent/EP0844837B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • 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
    • A45D2040/0025—Details of lipstick or like casings
    • A45D2040/0062—Stick holding cups with retaining means, e.g. clamping means

Definitions

  • the present invention relates to the packaging industry and more particularly that of cases for storing and handling sticks of pasty or friable substance to be applied by rubbing on a solid surface, such as lipstick or other cosmetic, make-up pencil, marking or medicated, glue.
  • Cases have been used for a long time, in which the stick is held by its base in a cursor-bucket which is made to slide axially, on demand, to take out of the case or re-integrate it, the free end of the stick.
  • This sliding can be carried out simply by digital displacement of a lateral push button integral with the cursor-cup and projecting externally from a longitudinal slot of the case.
  • a rotary mechanism is used with two concentric cooperating sheaths respectively dug one of two spiral grooves and the other of two longitudinal slots reciprocally traversed by two radial lugs integral with the bucket-cursor.
  • the object of the invention is to provide a rotary mechanism which does not have the drawbacks of previous mechanisms, and which is reliable, regularly smooth in operation, suitable for industrial manufacturing and assembly requirements, and inexpensive.
  • the subject of the invention is a case for a lipstick stick and the like with respectively rotary concentric sheaths with axial drive of a bucket-slider carrying a stick of pasty substance, characterized in that it comprises a braking device. in rotation and to take up axial play between the sheaths constituted by a collar, attached or not, integral with the base of the internal sheath and having at least one flexible extension which bears elastically against the edge of the base of the external sheath.
  • the collar can be an attached part subject to the internal sheath by snap-fastening, gluing, welding or press fitting.
  • the sheaths are linked to one another by mutual non-blocking snap-fastening near the collar-internal sheath connection.
  • the collar In order to make waterproof cases, the collar, or the internal sheath, has a solid bottom.
  • the assembly of the mechanism with an outer casing is facilitated if the collar, or the internal sheath has an axial tubular part, at least the lower end of which is open, for receiving the base of a decorative casing of the casing.
  • the top of the external lateral wall of the collar is surmounted by elastic arches.
  • the collar is in the form of a crown surrounded by teeth parallel to the axis, the free ends of which are joined by elastic arches.
  • the base of the collar with a bent U-shaped section is linked to a tubular extension of the base of the internal sheath, the lateral branch of the U on the sheath side, possibly cut into teeth, carries elastically by its free edge, possibly reinforced, against the edge of the outer sheath, while the branch of the U, not cut, has a beveled edge towards the outside.
  • the collar has a general V-shaped section whose inner branch, full, is linked to a tubular extension of the base of the inner sheath, while the outer branch possibly cut into elastic teeth carries by its free end against an outer frustoconical part of the edge of the end of the outer sheath.
  • the internal wall of the external sheath is hollowed out with two diametrically opposite longitudinal grooves opening out only at the base of the sheath, while the internal sheath is cut out by two diametrically opposite spiral slots opening out only at one end by a longitudinal slot extending by a groove dug in the internal wall of the continuous circular end reinforced with the internal sheath.
  • the side walls of these have triangular sections complementary to those of two diametrically opposite external tenons of the bucket-cursor which there reciprocally for the axial drive of the cursor bucket by relative rotation of the sheaths
  • the collar and the sheaths are of different materials in order to obtain better qualities of friction and reciprocal elasticity: for example, the sheaths are molded in polypropylene or with no filler or polystyrene, while the collar is molded from polyoxymethylene, high density polyethylene, or fluoropolymer.
  • Figure 1 is a schematic view, in elevation and in axial section of a case according to the invention
  • Figure 2 is a perspective view of the collar of the case of Figure 1
  • Figure 3 is a view similar to that of Figure 2 of a solid bottom variant of the same collar
  • Figure 4 is a view similar to that of Figure 2 of another variant of the same collar
  • Figure 5 is a perspective view of the inner sheath of the case of Figure 1
  • Figure 6 is a schematic view, in elevation and in axial section, of another holster mechanism according to the invention
  • Figure 7 is a perspective view of the collar of the mechanism of Figure 5;
  • FIG. 1 is a schematic view, in elevation and in axial section of a case according to the invention
  • Figure 2 is a perspective view of the collar of the case of Figure 1
  • Figure 3 is a view similar to that of Figure 2 of a solid bottom variant of the same collar
  • Figure 4 is a view similar to that of Figure 2 of another variant of the same collar
  • Figure 5 is a perspective view of the
  • FIG. 8 is a schematic view, in elevation and in axial section, of a variant of the case mechanism according to the invention
  • Figure 9 is a perspective view of the collar of the mechanism of Figure 8
  • Figure 10 is a view, similar to that of Figure 9, of a variant of the same collar
  • Figure 11 is a schematic view, in elevation and in axial section of another variant of the holster mechanism according to the invention
  • Figure 12 is a perspective view of the collar of the mechanism of Figure 11
  • Figure 13 is a view, similar to that of Figure 12, of a variant of the same collar
  • Figure 14 is a schematic view in diametral section of a case-cursor bucket according to the invention.
  • the lipstick case, or the like, represented in FIG. 1 essentially comprises a stick 1 of cosmetics or other pasty substance, represented in broken lines, the base of which is housed in a cursor-cup 2 provided externally with two radial studs 3 diametrically opposite, shown in dotted lines, sliding respectively through one of two opposite spiral slots "4 of an internal sheath 5, as well as, by their respective ends, in one of two opposite internal longitudinal grooves 6 of a sheath external 7 coaxial with the internal sheath 5.
  • a tubular metal sheath 8 open at its top.
  • the two sheaths are linked to each other towards their base by a non-locking snap 9 which leaves them with a freedom of reciprocal rotation with little axial play.
  • a collar 10 with W section is fixed by locking snap 11 or welding, or bonding of its central wall 12 inside e the free end of the internal sheath 7.
  • the external wall 13 of the collar is extended by flexible hoops 14, four in number in this example, which bear elastically by their vertices against the edge 15 of the free end of the base of the outer sheath 7, thus ensuring an axial clearance take-up between the two sheaths as well as flexible braking of their reciprocal rotation.
  • Each of the spiral slots 4 of the internal sheath 5 opens at its base in a longitudinal slot section 23 extending by a groove 24 hollowed out in the internal wall of the reinforced continuous circular end 25 of the sheath. This structure ensures good rigidity of the internal sheath ( Figure 5) despite the cuts in its side wall.
  • the collar 10a shown as a variant in the figure 3, differs from that of FIG. 2 only by the closure of the top of the internal wall of the collar by a wall 21 which thus ensures a tight closure of the base of the internal sheath 5.
  • the other variant of collar 10b shown in FIG. 4 fits on the case of FIG. 1 in the same way as the collars 10 and 10a of FIGS. 2 and 3.
  • the arches 14b connect the free ends of teeth 22 regularly distributed in a crown projecting from the external wall 13b of the collar.
  • This structure facilitates molding.
  • the holster mechanism according to the invention shown in FIG. 6 essentially comprises elements similar to those of the holster of FIG. 1. Unlike it, it does not include a metal sheath, the external sheath 7c is hollowed out in two opposite helical grooves 4c while it is the internal sheath 5c which is cut by two opposite longitudinal slots 6c.
  • FIG. 8 we find an external sheath 7d internally hollowed out with two longitudinal grooves 6d capped with a sheath 8d, and an internal sheath 5d cut by two helical slots 4d as in the example in FIG. 1. But here the grooves and slots open at the top, while the outer sheath has at its base an annular fold 27d whose inner circular end is linked to the outer side wall of an open tubular extension 28d of the inner sheath 5d by a non-locking snap 9d. On this same wall is fixed, preferably by bonding or welding, the internal cylindrical wall 16d of a V-shaped collar lOd (FIG.
  • the collar lOd will be positioned more or less pressed on the tubular extension before fixing it: thus, on the left half of Figure 8 the collar is shown at least of penetration and provides a minimum of braking and backlash effort, while on the right half it is represented at maximum penetration and provides a maximum effect.
  • the flexible external wall 13e of the collar 10e is cut into a plurality of teeth 26e of greater elasticity than the continuous wall 13d of the collar of FIGS. 8 and 9.
  • the example of a mechanism shown in Figures 11 and 12 comprises an outer sheath 7f, internally hollowed out of two helical grooves 4f opening at its base, capped with a sheath 8f, and an internal pair 5f cut by two longitudinal slots 6f opening at the top.
  • the internal sheath has at its top an external annular bead 30f which abuts, contributing to braking, on the edge of the top of the external sheath, and at its base a tubular extension 28f with a blind end 2 lf, capable of receiving the base of 'a decorative envelope similar to that of the example of Figure 1.
  • the inner cylindrical wall 16f of a collar lOf with U-shaped section coated On the outer cylindrical wall of this tubular extension is fixed, preferably by gluing or welding, the inner cylindrical wall 16f of a collar lOf with U-shaped section coated .
  • the reinforced annular end of the flexible upper wall 13f of the collar bears elastically against the edge 15f of the lower end of the outer sheath 7f, thus ensuring braking in rotation with compensation for axial play between the two parts in collaboration with the stop of the bead 30f of the internal sheath 5f.
  • the lower wall 31f of the collar gives it better rigidity, its bevelled edge promotes the establishment of a decorative base.
  • the collar can be fixed more or less depressed according to the desired efficiency: strong left part of FIG. 11 and weak right part.
  • the flexible wall 13 of the collar can be cut into a plurality of teeth 26g more elastic.
  • a slight free fitting 32f of the bases of the two sheaths facilitates the assembly of the mechanism.

Landscapes

  • Cosmetics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Confectionery (AREA)
  • Braking Arrangements (AREA)

Abstract

PCT No. PCT/FR96/01235 Sec. 371 Date Mar. 27, 1998 Sec. 102(e) Date Mar. 27, 1998 PCT Filed Aug. 2, 1996 PCT Pub. No. WO97/05801 PCT Pub. Date Feb. 20, 1997A case for lipstick and similar materials with respectively rotating concentric tubes with axial movement of cup-slider (2) which bears stick (1) of pasty substance, characterized by the fact that it has a device for braking with respect to rotation and compensation for axial play between the tubes consisting of flange (10), added on or not, connected to the base of internal tube (5) and having at least one flexible extension (14) which bears elastically against edge (15) of the base of external tube (7).

Description

ETUI DE ROUGE A LEVRES ET ANALOGUES ROTATIF A RATTRAPAGE DE JEU AXIAL LIPSTICK CASE AND ROTARY ANALOGS WITH AXIAL GAME TAKE-UP
La présente invention concerne l'industrie du conditionnement et plus particulièrement celle des étuis de stockage et de manipulation de bâtons de substance pâteuse ou friable à appliquer par frottement sur une surface solide, telle que rouge à lèvres ou autre cosmétique, crayon de maquillage, de marquage ou médicamenteux, colle.The present invention relates to the packaging industry and more particularly that of cases for storing and handling sticks of pasty or friable substance to be applied by rubbing on a solid surface, such as lipstick or other cosmetic, make-up pencil, marking or medicated, glue.
On utilise couramment, depuis longtemps, des étuis dans lesquels le bâton est maintenu par sa base dans un godet-curseur que l'on fait coulisser axialement, à la demande, pour faire sortir de l'étui ou l'y réintégrer, l'extrémité libre du bâton. Ce coulissement peut être effectué simplement par déplacement digital d'un bouton-poussoir latéral solidaire du godet-curseur et faisant saillie extérieurement d'une fente longitudinale de l'étui. Mais le plus souvent on a recours à un mécanisme rotatif à deux gaines concentriques coopérantes creusées respectivement l'une de deux rainures en spirale, et l'autre de deux fentes longitudinales réciproquement traversées par deux ergots radiaux solidaires du godet-curseur.Cases have been used for a long time, in which the stick is held by its base in a cursor-bucket which is made to slide axially, on demand, to take out of the case or re-integrate it, the free end of the stick. This sliding can be carried out simply by digital displacement of a lateral push button integral with the cursor-cup and projecting externally from a longitudinal slot of the case. Most often, however, a rotary mechanism is used with two concentric cooperating sheaths respectively dug one of two spiral grooves and the other of two longitudinal slots reciprocally traversed by two radial lugs integral with the bucket-cursor.
La clientèle apprécie une manipulation douce et régulière des mécanismes rotatifs, ce qui implique un minimum de jeu entre les éléments mobiles et un effort de déplacement contrôlé. Les tolérances mécaniques inévitables des pièces moulées industriellement qui constituent généralement la totalité, ou presque, des éléments de ces mécanismes ne permettent pas d'atteindre pleinement ces objectifs. On a donc recours à des dispositifs de freinage, avec ou sans rattrapage de jeu. On a proposé de nombreux dispositifs à patins de freinage radiaux insérés entre les deux gaines, tels ceux décrits dans les brevets français No 1 417 277, 2 657 238, 2 670 998, qui peuvent assurer un freinage convenable et un bon centrage des gaines, mais sont sans effet sur le jeu axial, beaucoup plus difficile à maîtriser que le jeu diamétral. Pour rattraper le jeu axial on a proposé des assemblages rainure cylindrique-nervure circulaire tronconique comme dans le brevet français No 2 619 557, qui peuvent assurer un bon calage axial mais sans élasticité, donc au détriment de la régularité et de la douceur de manipulation du mécanisme.Customers appreciate a gentle and regular handling of the rotary mechanisms, which implies a minimum of play between the mobile elements and a controlled movement effort. The inevitable mechanical tolerances of industrially molded parts which generally constitute all or almost all of the elements of these mechanisms do not allow these objectives to be fully achieved. Braking devices are therefore used, with or without backlash adjustment. Numerous devices have been proposed with radial braking pads inserted between the two sheaths, such as those described in French patents No. 1,417,277, 2,657,238, 2,670,998, which can provide adequate braking and good centering of the sheaths, but have no effect on the axial play, which is much more difficult to control than the diametral play. To compensate for the axial play, cylindrical groove-circular rib assemblies have been proposed. frustoconical as in French patent No 2 619 557, which can ensure good axial wedging but without elasticity, therefore to the detriment of the regularity and the smooth handling of the mechanism.
L'invention a pour but un mécanisme rotatif ne présentant pas les inconvénients des mécanismes antérieurs, et qui est fiable, de fonctionnement régulièrement doux, adapté aux impératifs de fabrication et d'assemblage industriels, et peu onéreux.The object of the invention is to provide a rotary mechanism which does not have the drawbacks of previous mechanisms, and which is reliable, regularly smooth in operation, suitable for industrial manufacturing and assembly requirements, and inexpensive.
L'invention a pour objet un étui pour bâton de rouge à lèvres et analogues à gaines concentriques respectivement rotatives avec entraînement axial d'un godet-curseur porteur d'un bâton de substance pâteuse, caractérisé en ce qu'il comporte un dispositif de freinage en rotation et de rattrapage de jeu axial entre les gaines constitué par un collet, rapporté ou non, solidaire de la base de la gaine interne et présentant au moins un prolongement flexible qui porte élastiquement contre la tranche de la base de la gaine externe. Le collet peut être une pièce rapportée assujettie à la gaine interne par encliquetage, collage, soudure ou emmanchement à force.The subject of the invention is a case for a lipstick stick and the like with respectively rotary concentric sheaths with axial drive of a bucket-slider carrying a stick of pasty substance, characterized in that it comprises a braking device. in rotation and to take up axial play between the sheaths constituted by a collar, attached or not, integral with the base of the internal sheath and having at least one flexible extension which bears elastically against the edge of the base of the external sheath. The collar can be an attached part subject to the internal sheath by snap-fastening, gluing, welding or press fitting.
Il a avantageusement une section en U, V ou W dont une branche latérale, éventuellement dentelée, est flexible.It advantageously has a U, V or W section, a lateral branch, possibly serrated, is flexible.
Suivant un mode de réalisation, les gaines sont liées l'une à l'autre par encliquetage réciproque non bloquant à proximité de la liaison collet-gaine interne.According to one embodiment, the sheaths are linked to one another by mutual non-blocking snap-fastening near the collar-internal sheath connection.
Afin de réaliser des étuis étanches, le collet, ou la gaine interne, a un fond plein.In order to make waterproof cases, the collar, or the internal sheath, has a solid bottom.
L'assemblage du mécanisme avec une enveloppe extérieure est facilité si le collet, ou la gaine interne présente une partie tubulaire axiale, dont au moins l'extrémité inférieure est ouverte, pour la réception du culot d'une enveloppe décorative de l'étui.The assembly of the mechanism with an outer casing is facilitated if the collar, or the internal sheath has an axial tubular part, at least the lower end of which is open, for receiving the base of a decorative casing of the casing.
Dans un mode de réalisation, le sommet de la paroi latérale externe du collet est surmonté d'arceaux élastiques. En variante, le collet est en forme de couronne entourée de dents parallèles à l'axe, dont les extrémités libres sont réunies par des arceaux élastiques.In one embodiment, the top of the external lateral wall of the collar is surmounted by elastic arches. As a variant, the collar is in the form of a crown surrounded by teeth parallel to the axis, the free ends of which are joined by elastic arches.
Selon un autre mode de réalisation, la base du collet à section en U coudé est liée à un prolongement tubulaire de la base de la gaine intérieure, la branche latérale du U côté gaine, éventuellement découpée en dents, porte élastiquement par son bord libre, éventuellement renforcé, contre la tranche de la gaine extérieure, tandis que la branche du U, non découpée, a un bord biseauté vers l'extérieur.According to another embodiment, the base of the collar with a bent U-shaped section is linked to a tubular extension of the base of the internal sheath, the lateral branch of the U on the sheath side, possibly cut into teeth, carries elastically by its free edge, possibly reinforced, against the edge of the outer sheath, while the branch of the U, not cut, has a beveled edge towards the outside.
Suivant encore un autre mode de réalisation, le collet a une section générale en V dont la branche intérieure, pleine, est liée à un prolongement tubulaire de la base de la gaine intérieure, tandis que la branche extérieure éventuellement découpée en dents élastiques porte par son extrémité libre contre une partie tronconique extérieure de la tranche de l'extrémité de la gaine externe. Avec les mêmes éléments, on peut réaliser des mécanismes dont le freinage en rotation entre gaines est différent, lorsque le collet est une pièce rapportée assujettie à un prolongement tubulaire de la gaine interne à une distance de la tranche de la gaine externe déterminée par l'importance de l'effort de frottement désiré des dents élastiques du collet. Dans un mode de construction original, la paroi interne de la gaine externe est creusée de deux rainures longitudinales diamétralement opposées débouchant seulement à la base de la gaine, tandis que la gaine interne est découpée par deux fentes en spirale diamétralement opposées débouchant seulement chacune à une extrémité par une fente longitudinale se prolongeant par une rainure creusée dans la paroi interne de l'extrémité circulaire continue renforcée de la gaine interne.According to yet another embodiment, the collar has a general V-shaped section whose inner branch, full, is linked to a tubular extension of the base of the inner sheath, while the outer branch possibly cut into elastic teeth carries by its free end against an outer frustoconical part of the edge of the end of the outer sheath. With the same elements, it is possible to produce mechanisms whose braking in rotation between sheaths is different, when the collar is an attached part subject to a tubular extension of the internal sheath at a distance from the edge of the external sheath determined by the importance of the desired friction force of the elastic teeth of the collar. In an original construction method, the internal wall of the external sheath is hollowed out with two diametrically opposite longitudinal grooves opening out only at the base of the sheath, while the internal sheath is cut out by two diametrically opposite spiral slots opening out only at one end by a longitudinal slot extending by a groove dug in the internal wall of the continuous circular end reinforced with the internal sheath.
En ce cas, pour assurer éventuellement un meilleur maintien du godet- curseur dans les fentes et rainures des gaines, les parois latérales de celles-ci ont des sections triangulaires complémentaires de celles de deux tenons externes diamétralement opposés du godet-curseur qui s'y encastrent réciproquement pour l'entraînement axial du godet curseur par rotation relative des gainesIn this case, to possibly ensure better retention of the bucket-cursor in the slots and grooves of the sheaths, the side walls of these have triangular sections complementary to those of two diametrically opposite external tenons of the bucket-cursor which there reciprocally for the axial drive of the cursor bucket by relative rotation of the sheaths
Il est généralement avantageux que le collet et les gaines soient de matières différentes afin d'obtenir de meilleures qualités de frottement et d'élasticité réciproques : par exemple, les gaines sont moulées en polypropylène ou avec sans charge ou polystyrène, tandis que le collet est moulé en polyoxyméthylène, polyéthylène haute densité, ou polymère fluoré.It is generally advantageous that the collar and the sheaths are of different materials in order to obtain better qualities of friction and reciprocal elasticity: for example, the sheaths are molded in polypropylene or with no filler or polystyrene, while the collar is molded from polyoxymethylene, high density polyethylene, or fluoropolymer.
L'invention pourra être plus clairement comprise par l'examen et la description détaillée des dessins annexés qui représentent quelques modes de réalisation choisis simplement à titre d'exemple parmi les nombreuses formes d'exécution, adaptations et variantes de l'invention concevables par un technicien averti.The invention will be more clearly understood by examining and describing the detailed drawings in the accompanying drawings which show some embodiments chosen simply by way of example from among the many forms of execution, adaptations and variants of the invention conceivable by an informed technician.
Sur ces dessins :In these drawings:
La figure 1 est une vue schématique, en élévation et en coupe axiale d'un étui suivant l'invention ; la figure 2 est une vue en perspective du collet de l'étui de la figure 1 ; la figure 3 est une vue analogue à celle de la figure 2 d'une variante à fond plein du même collet ; la figure 4 est une vue analogue à celle de la figure 2 d'une autre variante du même collet ; la figure 5 est une vue en perspective de la gaine interne de l'étui de la figure 1 ; la figure 6 est une vue schématique, en élévation et en coupe axiale, d'un autre mécanisme d'étui suivant l'invention ; la figure 7 est une vue en perspective du collet du mécanisme de la figure 5 ; la figure 8 est une vue schématique, en élévation et en coupe axiale, d'une variante de mécanisme d'étui suivant l'invention ; la figure 9 est une vue en perspective du collet du mécanisme de la figure 8 ; la figure 10 est une vue, analogue à celle de la figure 9, d'une variante du même collet ; la figure 11 est une vue schématique, en élévation et en coupe axiale d'une autre variante de mécanisme d'étui suivant l'invention ; la figure 12 est une vue en perspective du collet du mécanisme de la figure 11 ; la figure 13 est une vue, analogue à celle de la figure 12, d'une variante du même collet ; et, la figure 14 est une vue schématique et en coupe diamétrale d'un godet- curseur d'étui suivant l'invention.Figure 1 is a schematic view, in elevation and in axial section of a case according to the invention; Figure 2 is a perspective view of the collar of the case of Figure 1; Figure 3 is a view similar to that of Figure 2 of a solid bottom variant of the same collar; Figure 4 is a view similar to that of Figure 2 of another variant of the same collar; Figure 5 is a perspective view of the inner sheath of the case of Figure 1; Figure 6 is a schematic view, in elevation and in axial section, of another holster mechanism according to the invention; Figure 7 is a perspective view of the collar of the mechanism of Figure 5; FIG. 8 is a schematic view, in elevation and in axial section, of a variant of the case mechanism according to the invention; Figure 9 is a perspective view of the collar of the mechanism of Figure 8; Figure 10 is a view, similar to that of Figure 9, of a variant of the same collar; Figure 11 is a schematic view, in elevation and in axial section of another variant of the holster mechanism according to the invention; Figure 12 is a perspective view of the collar of the mechanism of Figure 11; Figure 13 is a view, similar to that of Figure 12, of a variant of the same collar; and, Figure 14 is a schematic view in diametral section of a case-cursor bucket according to the invention.
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 pour une meilleure lisibilité des dessins. L'étui de rouge à lèvres, ou analogue, représenté sur la figure 1 comprend essentiellement un bâton 1 de cosmétique ou autre substance pâteuse, représenté en trait interrompu, dont la base est logée dans un godet-curseur 2 muni extérieurement de deux tenons radiaux 3 diamétralement opposés, représentés en pointillés, coulissant respectivement à travers l'une de deux fentes spiralées opposée" 4 d'une gaine interne 5, ainsi que, par leurs extrémités respectives, dans Tune de deux rainures longitudinales internes opposées 6 d'une gaine externe 7 coaxiale à la gaine interne 5. Sur la gaine externe est emboîté un fourreau métallique tubulaire 8 ouvert à son sommet. Les deux gaines sont liées l'une à l'autre vers leur base par un encliquetage non bloquant 9 qui leur laisse une liberté de rotation réciproque avec faible jeu axial. Un collet 10 à section en W est fixé par encliquetage bloquant 11 ou soudure, ou collage de sa paroi médiane 12 à l'intérieur de l'extrémité libre de la gaine interne 7. La paroi externe 13 du collet est prolongée par des arceaux, flexibles 14, au nombre de quatre dans cet exemple, qui portent élastiquement par leurs sommets contre la tranche 15 de l'extrémité libre de la base de la gaine externe 7, assurant ainsi un rattrapage de jeu axial entre les deux gaines ainsi qu'un freinage souple de leur rotation réciproque.In these figures, the corresponding elements are designated by the same reference numerals, possibly assigned an index. The dimensions and the respective proportions of these elements may not be respected for better readability of the drawings. The lipstick case, or the like, represented in FIG. 1 essentially comprises a stick 1 of cosmetics or other pasty substance, represented in broken lines, the base of which is housed in a cursor-cup 2 provided externally with two radial studs 3 diametrically opposite, shown in dotted lines, sliding respectively through one of two opposite spiral slots "4 of an internal sheath 5, as well as, by their respective ends, in one of two opposite internal longitudinal grooves 6 of a sheath external 7 coaxial with the internal sheath 5. On the external sheath is fitted a tubular metal sheath 8 open at its top.The two sheaths are linked to each other towards their base by a non-locking snap 9 which leaves them with a freedom of reciprocal rotation with little axial play. A collar 10 with W section is fixed by locking snap 11 or welding, or bonding of its central wall 12 inside e the free end of the internal sheath 7. The external wall 13 of the collar is extended by flexible hoops 14, four in number in this example, which bear elastically by their vertices against the edge 15 of the free end of the base of the outer sheath 7, thus ensuring an axial clearance take-up between the two sheaths as well as flexible braking of their reciprocal rotation.
Chacune des fentes spiralées 4 de la gaine interne 5 débouche à sa base dans un tronçon de fente longitudinale 23 se prolongeant par une rainure 24 creusée dans la paroi interne de l'extrémité circulaire continue renforcée 25 de la gaine. Cette structure assure une bonne rigidité de la gaine interne (figure 5) malgré les découpes de sa paroi latérale.Each of the spiral slots 4 of the internal sheath 5 opens at its base in a longitudinal slot section 23 extending by a groove 24 hollowed out in the internal wall of the reinforced continuous circular end 25 of the sheath. This structure ensures good rigidity of the internal sheath (Figure 5) despite the cuts in its side wall.
Dans la partie tubulaire axiale interne de la paroi interne 16 du collet est emmanché à force, ou collé, ou soudé, ou encliqueté, ou autrement bloqué, un prolongement tubulaire interne axial 17 de la base du culot 18 d'une enveloppe décorative de l'étui complétée par une coiffe 19 dont le fond présente intérieurement un prolongement tubulaire axial 20 qui vient s'emmancher à frottement doux à l'intérieur de l'ouverture libre de la gaine interne 5. Le collet 10a, représenté en variante sur la figure 3, ne diffère de celui de la figure 2 que par la fermeture du sommet de la paroi interne du collet par une paroi 21 qui assure ainsi un bouchage étanche de la base de la gaine interne 5.In the internal axial tubular part of the internal wall 16 of the collar is force-fitted, or glued, or welded, or snapped, or otherwise blocked, an axial internal tubular extension 17 of the base of the base 18 of a decorative envelope of the case completed by a cap 19, the bottom of which internally has an axial tubular extension 20 which comes to be fitted with gentle friction inside the free opening of the internal sheath 5. The collar 10a, shown as a variant in the figure 3, differs from that of FIG. 2 only by the closure of the top of the internal wall of the collar by a wall 21 which thus ensures a tight closure of the base of the internal sheath 5.
L'autre variante de collet 10b représentée sur la figure 4 s'adapte sur l'étui de la figure 1 de la même façon que les collets 10 et 10a des figures 2 et 3. Dans cette variante les arceaux 14b relient les extrémités libres de dents 22 régulièrement réparties en couronne faisant saillie de la paroi externe 13b du collet. Cette structure facilite le moulage. Le mécanisme d'étui suivant l'invention représenté sur la figure 6 comprend essentiellement des éléments analogues à ceux de l'étui de la figure 1. A sa différence, il ne comporte pas de fourreau métallique, la gaine externe 7c est creusée de deux rainures hélicoïdales opposées 4c alors que c'est la gaine interne 5c qui est découpée par deux fentes longitudinales opposées 6c. Cette disposition inverse de celle des gaines de l'étui de la figure 1 fonctionne de la même façon pour assurer la translation du godet- curseur 2c par ses tenons 3c. Les deux gaines 5c et 7c sont liées à leur base par un encliquetage non bloquant 9ç tandis qu'un collet 10c à fond borgne 21c, à section en W, est rendu solidaire de l'extrémité de la gaine interne 5c par une liaison bloquante l ie avec sa paroi médiane 12c. La paroi externe 13c du collet est découpée en une pluralité de dents flexibles 26c dont les extrémités libres viennent porter élastiquement contre la tranche 15c de l'extrémité de la gaine externe 7c. Dans cet exemple, l'extrémité renforcée annulairement 25c de la gaine interne assure à la fois la liaison libre 9c avec la gaine externe et l'assujettissement bloqué l ie avec la gaine interne.The other variant of collar 10b shown in FIG. 4 fits on the case of FIG. 1 in the same way as the collars 10 and 10a of FIGS. 2 and 3. In this variant, the arches 14b connect the free ends of teeth 22 regularly distributed in a crown projecting from the external wall 13b of the collar. This structure facilitates molding. The holster mechanism according to the invention shown in FIG. 6 essentially comprises elements similar to those of the holster of FIG. 1. Unlike it, it does not include a metal sheath, the external sheath 7c is hollowed out in two opposite helical grooves 4c while it is the internal sheath 5c which is cut by two opposite longitudinal slots 6c. This reverse arrangement of that of the sheaths of the case of Figure 1 works in the same way to ensure the translation of the bucket-cursor 2c by its pins 3c. The two sheaths 5c and 7c are linked to their base by a non-blocking snap 9c while a collar 10c with a blind bottom 21c, in W section, is made integral with the end of the internal sheath 5c by a blocking connection l ie with its middle wall 12c. The external wall 13c of the collar is cut into a plurality of flexible teeth 26c, the free ends of which come to bear elastically against the edge 15c of the end of the external sheath 7c. In this example, the annularly reinforced end 25c of the internal sheath provides both the free connection 9c with the external sheath and the locked securing l ie with the internal sheath.
Dans l'exemple de la figure 8 on retrouve une gaine externe 7d creusée intérieurement de deux rainures longitudinales 6d coiffée d'un fourreau 8d, et une gaine interne 5d découpée par deux fentes hélicoïdales 4d comme dans l'exemple de la figure 1. Mais ici les rainures et les fentes débouchent au sommet, cependant que la gaine externe présente à sa base un repli annulaire 27d dont l'extrémité circulaire interne est liée à la paroi latérale externe d'un prolongement tubulaire ouvert 28d de la gaine interne 5d par un encliquetage non bloquant 9d. Sur cette même paroi est fixée, par collage ou soudure de préférence, la paroi cylindrique interne 16d d'un collet lOd à section en V (figure 9) dont la paroi externe tronconique flexible 13d porte élastiquement contre la partie biseautée 29d du raccordement de la paroi externe de la gaine externe à son repli annulaire. Suivant l'effort de freinage et de rattrapage de jeu désiré entre les deux gaines on positionnera le collet lOd plus ou moins enfoncé sur le prolongement tubulaire avant de le fixer : ainsi, sur la moitié gauche de la figure 8 le collet est représenté au minimum d'enfoncement et procure un minimum d'effort de freinage et de rattrapage de jeu, tandis que sur la moitié droite il est représenté au maximum d'enfoncement et procure un maximum d'effet. En variante, comme représenté sur la figure 10, la paroi externe flexible 13e du collet 10e est découpée en une pluralité de dents 26e d'une plus grande élasticité que la paroi continue 13d du collet des figures 8 et 9. L'exemple de mécanisme représenté sur les figures 11 et 12 comprend une gaine externe 7f, creusée intérieurement de deux rainures hélicoïdales 4f débouchant à sa base, coiffée d'un fourreau 8f, et une paire interne 5f découpée par deux fentes longitudinales 6f débouchant au sommet. La gaine interne présente à son sommet un bourrelet annulaire externe 30f qui bute, en contribuant au freinage, sur la tranche du sommet de la gaine externe, et à sa base un prolongement tubulaire 28f à fond borgne 2 lf, apte à recevoir le culot d'une enveloppe décorative analogue à celle de l'exemple de la figure 1. Sur la paroi cylindrique externe de ce prolongement tubulaire est fixée, par collage ou soudure de préférence, la paroi cylindrique interne 16f d'un collet lOf à section en U couché. L'extrémité annulaire renforcée de la paroi supérieure flexible 13f du collet porte élastiquement contre la tranche 15f de l'extrémité inférieure de la gaine externe 7f, assurant ainsi un freinage en rotation avec rattrapage de jeu axial entre les deux pièces en collaboration avec la butée du bourrelet 30f de la gaine interne 5f. La paroi inférieure 31f du collet lui confère une meilleure rigidité, son bord biseauté favorise la mise en place d'un culot décoratif. Comme dans l'exemple de mécanisme de la figure 8, le collet peut être fixé plus ou moins enfoncé selon l'efficacité désirée : forte partie gauche de la figure 11 et faible partie droite. De même, comme représenté sur la figure 13, la paroi flexible 13 du collet peut être découpée en une pluralité de dents 26g plus élastiques. Un léger emboîtement libre 32f des bases des deux gaines facilite l'assemblage du mécanisme.In the example of FIG. 8 we find an external sheath 7d internally hollowed out with two longitudinal grooves 6d capped with a sheath 8d, and an internal sheath 5d cut by two helical slots 4d as in the example in FIG. 1. But here the grooves and slots open at the top, while the outer sheath has at its base an annular fold 27d whose inner circular end is linked to the outer side wall of an open tubular extension 28d of the inner sheath 5d by a non-locking snap 9d. On this same wall is fixed, preferably by bonding or welding, the internal cylindrical wall 16d of a V-shaped collar lOd (FIG. 9) whose flexible frustoconical external wall 13d bears elastically against the bevelled part 29d of the connection of the outer wall of the outer sheath at its annular fold. Depending on the braking and backlash effort desired between the two sheaths, the collar lOd will be positioned more or less pressed on the tubular extension before fixing it: thus, on the left half of Figure 8 the collar is shown at least of penetration and provides a minimum of braking and backlash effort, while on the right half it is represented at maximum penetration and provides a maximum effect. Alternatively, as shown in FIG. 10, the flexible external wall 13e of the collar 10e is cut into a plurality of teeth 26e of greater elasticity than the continuous wall 13d of the collar of FIGS. 8 and 9. The example of a mechanism shown in Figures 11 and 12 comprises an outer sheath 7f, internally hollowed out of two helical grooves 4f opening at its base, capped with a sheath 8f, and an internal pair 5f cut by two longitudinal slots 6f opening at the top. The internal sheath has at its top an external annular bead 30f which abuts, contributing to braking, on the edge of the top of the external sheath, and at its base a tubular extension 28f with a blind end 2 lf, capable of receiving the base of 'a decorative envelope similar to that of the example of Figure 1. On the outer cylindrical wall of this tubular extension is fixed, preferably by gluing or welding, the inner cylindrical wall 16f of a collar lOf with U-shaped section coated . The reinforced annular end of the flexible upper wall 13f of the collar bears elastically against the edge 15f of the lower end of the outer sheath 7f, thus ensuring braking in rotation with compensation for axial play between the two parts in collaboration with the stop of the bead 30f of the internal sheath 5f. The lower wall 31f of the collar gives it better rigidity, its bevelled edge promotes the establishment of a decorative base. As in the example of the mechanism in FIG. 8, the collar can be fixed more or less depressed according to the desired efficiency: strong left part of FIG. 11 and weak right part. Similarly, as shown in Figure 13, the flexible wall 13 of the collar can be cut into a plurality of teeth 26g more elastic. A slight free fitting 32f of the bases of the two sheaths facilitates the assembly of the mechanism.
Principalement lorsque c'est la gaine interne du mécanisme qui est découpée par des fentes hélicoïdales, comme dans les exemples des figures 1 et 8, il y a un risque de déformation par dilatation de la gaine sous la contrainte des tenons du godet-curseur lors des manipulations de l'étui, qui peut éventuellement inciter les tenons à échapper des rainures. On peut prévenir ce risque en conférant aux rainures 6 et aux fentes 4 des gaines 5, 7 des parois à sections triangulaires complémentaires de celles des tenons 3 du godet-curseur 2, comme représenté sur la figure 14. Mainly when it is the internal sheath of the mechanism which is cut by helical slots, as in the examples of FIGS. 1 and 8, there is a risk of deformation by expansion of the sheath under the stress of the tenors of the bucket-cursor during manipulations of the case, which may possibly encourage the studs to escape from the grooves. This risk can be prevented by giving the grooves 6 and the slots 4 of the sheaths 5, 7 walls with triangular sections complementary to those of the tenons 3 of the slider bucket 2, as shown in FIG. 14.

Claims

REVENDICATIONS
1. Etui pour bâton de rouge à lèvres et analogues à gaines concentriques respectivement rotatives avec entraînement axial d'un godet-curseur (2) porteur d'un bâton (1) de substance pâteuse, comportant un dispositif de freinage en rotation et de rattrapage de jeu axial entre les gaines constitué par un collet (10), rapporté ou non, solidaire de la base de la gaine interne (5) et présentant au moins un prolongement flexible (14) qui porte élastiquement contre la tranche (15) de la base de la gaine externe (7), caractérisé en ce que les gaines sont liées l'une à l'autre par encliquetage réciproque non bloquant à proximité de la liaison collet-gaine interne. 1. Case for stick of lipstick and the like with respectively rotary concentric sheaths with axial drive of a bucket-cursor (2) carrying a stick (1) of pasty substance, comprising a device for braking in rotation and for taking up axial clearance between the sheaths constituted by a collar (10), attached or not, integral with the base of the internal sheath (5) and having at least one flexible extension (14) which bears elastically against the edge (15) of the base of the outer sheath (7), characterized in that the sheaths are linked to each other by reciprocal non-blocking snap-fastening near the collar-internal sheath connection.
2. Etui, suivant la revendication 1 , caractérisé en ce que le collet ou la gaine interne a un fond plein étanche (21).2. Case according to claim 1, characterized in that the collar or the internal sheath has a sealed solid bottom (21).
3. Etui, suivant l'une des revendications 1 et 2, caractérisé en ce que le collet (10) ou la gaine interne (7) présente une partie tubulaire axiale (16), dont au moins l'extrémité inférieure est ouverte, pour la réception du culot (17) d'une enveloppe décorative (18, 19) de l'étui.3. Case according to one of claims 1 and 2, characterized in that the collar (10) or the internal sheath (7) has an axial tubular part (16), at least the lower end of which is open, for receiving the base (17) of a decorative envelope (18, 19) of the case.
4. Etui, suivant l'une des revendications 1 à 3, caractérisé en ce que le sommet de la paroi latérale exteme (13) du collet (10) est surmontée d'arceaux élastiques (14).4. Case according to one of claims 1 to 3, characterized in that the top of the outer side wall (13) of the collar (10) is surmounted by elastic arches (14).
5. Etui, suivant la revendication 4, caractérisé en ce que le collet (10b) est en forme de couronne entourée de dents (22b) parallèles à l'axe, dont les extrémités libres sont réunies par des arceaux élastiques (14b).5. Case according to claim 4, characterized in that the collar (10b) is in the form of a crown surrounded by teeth (22b) parallel to the axis, the free ends of which are joined by elastic arches (14b).
6. Etui, suivant l'une des revendications 1 à 3, caractérisé en ce que la base (16f) du collet (lOf) à section en U coudé est liée à un prolongement tubulaire (28f) de la base de la gaine intérieure (5f), la branche latérale (13f) du U côté gaine, éventuellement découpée en dents (26g) porte élastiquement par son bord libre (13f), éventuellement renforcé, contre la tranche (15f) de la gaine extérieure (70 tandis que la branche du U, non découpée (3 If), a. un bord biseauté vers l'extérieur.6. Case according to one of claims 1 to 3, characterized in that the base (16f) of the collar (10f) with bent U-section is linked to a tubular extension (28f) of the base of the inner sheath ( 5f), the lateral branch (13f) of the U sheath side, possibly cut into teeth (26g) bears elastically by its free edge (13f), possibly reinforced, against the edge (15f) of the outer sheath (70 while the branch of the U, not cut (3 If), has a beveled edge towards the outside.
7. Etui, suivant l'une des revendications 1 à 3, caractérisé en ce que le collet (lOd) a une section générale en V dont la branche intérieure (16d), pleine, est liée à un prolongement tubulaire (28d) de la base de la gaine intérieure (5d), tandis que la branche extérieure (13d) éventuellement découpée en dents élastiques (26e) porte par son extrémité libre contre une partie tronconique extérieure (29d) de la tranche de l'extrémité de la gaine externe (7d). 7. Case according to one of claims 1 to 3, characterized in that the collar (10d) has a general V-shaped section, the inner branch (16d), full, is linked to a tubular extension (28d) of the base of the inner sheath (5d), while the outer branch (13d) possibly cut into elastic teeth (26e) bears by its free end against an outer frustoconical part (29d) of the edge of the end of the outer sheath (7d).
8. Etui, suivant l'une des revendications 6 et 7, caractérisé en ce que le collet (lOd, lOf) est une pièce rapportée assujettie à un prolongement tubulaire (28d, 28f) de la gaine interne à une distance de la tranche de la gaine externe (7d, 7f) déterminée par l'importance de l'effort de frottement désiré des dents élastiques (26e, 26f) du collet. 8. Case according to one of claims 6 and 7, characterized in that the collar (lOd, lOf) is an attached part subject to a tubular extension (28d, 28f) of the internal sheath at a distance from the edge of the outer sheath (7d, 7f) determined by the magnitude of the desired friction force of the elastic teeth (26e, 26f) of the collar.
9. Etui, suivant l'une des revendications 1 à 8, caractérisé en ce que la paroi interne de la gaine externe (7) est creusée de deux rainures longitudinales (6) diamétralement opposées débouchant seulement à la base de la gaine, tandis que la gaine interne (5) est découpée par deux fentes en spirale (4) diamétralement opposées débouchant seulement chacune à une extrémité par une fente longitudinale (23) se prolongeant par une rainure (24) creusée dans la paroi interne de l'extrémité circulaire continue renforcée (25) de la gaine interne.9. Case according to one of claims 1 to 8, characterized in that the internal wall of the external sheath (7) is hollowed out with two diametrically opposite longitudinal grooves (6) opening out only at the base of the sheath, while the internal sheath (5) is cut by two diametrically opposite spiral slots (4) each opening at only one end by a longitudinal slot (23) extended by a groove (24) hollowed out in the internal wall of the continuous circular end reinforced (25) of the internal sheath.
10. Etui, suivant la revendication 9, caractérisé en ce que les parois latérales des rainures (6) de la gaine externe et les parois des fentes (4) de la gaine interne ont des sections triangulaires complémentaires de celles de deux tenons externes (3) diamétralement opposés du godet-curseur (2) qui s'y encastrent réciproquement pour l'entraînement axial du godet-curseur par rotation des gaines.10. Case according to claim 9, characterized in that the lateral walls of the grooves (6) of the external sheath and the walls of the slots (4) of the internal sheath have triangular sections complementary to those of two external studs (3 ) diametrically opposite of the slider bucket (2) which reciprocally fit therein for the axial drive of the slider bucket by rotation of the sheaths.
11. Etui, suivant l'une des revendications 1 à 10, caractérisé en ce que les gaines sont moulées en polypropylène avec ou sans charge ou polystyrène, tandis que le collet est moulé en polyoxyméthylène, polyéthylène haute densité, ou polymère fluoré. 11. Case according to one of claims 1 to 10, characterized in that the sheaths are molded in polypropylene with or without filler or polystyrene, while the collar is molded in polyoxymethylene, high density polyethylene, or fluoropolymer.
EP96927734A 1995-08-10 1996-08-02 Rotary case for lipstick and the like with axial clearance adjustment Expired - Lifetime EP0844837B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9509738 1995-08-10
FR9509738A FR2737647B1 (en) 1995-08-10 1995-08-10 LIPSTICK CASE AND ROTARY ANALOGS WITH AXIAL GAME TAKE-UP
PCT/FR1996/001235 WO1997005801A1 (en) 1995-08-10 1996-08-02 Rotary case for lipstick and the like with axial clearance adjustment

Publications (2)

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EP0844837A1 true EP0844837A1 (en) 1998-06-03
EP0844837B1 EP0844837B1 (en) 1999-05-26

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EP (1) EP0844837B1 (en)
AT (1) ATE180396T1 (en)
DE (1) DE69602605T2 (en)
DK (1) DK0844837T3 (en)
ES (1) ES2133988T3 (en)
FR (1) FR2737647B1 (en)
GR (1) GR3030848T3 (en)
WO (1) WO1997005801A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
ES2133988T3 (en) 1999-09-16
WO1997005801A1 (en) 1997-02-20
ATE180396T1 (en) 1999-06-15
FR2737647A1 (en) 1997-02-14
FR2737647B1 (en) 1998-04-10
DE69602605D1 (en) 1999-07-01
GR3030848T3 (en) 1999-11-30
US6109808A (en) 2000-08-29
DK0844837T3 (en) 1999-11-29
DE69602605T2 (en) 2000-02-10
EP0844837B1 (en) 1999-05-26

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