EP0207114B1 - Device for applying a pasty product, particularly a cosmetic product such as a lipstick, and tubular element for such a device - Google Patents

Device for applying a pasty product, particularly a cosmetic product such as a lipstick, and tubular element for such a device Download PDF

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Publication number
EP0207114B1
EP0207114B1 EP86900155A EP86900155A EP0207114B1 EP 0207114 B1 EP0207114 B1 EP 0207114B1 EP 86900155 A EP86900155 A EP 86900155A EP 86900155 A EP86900155 A EP 86900155A EP 0207114 B1 EP0207114 B1 EP 0207114B1
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EP
European Patent Office
Prior art keywords
tubular element
stop means
shell
casing
elastic stop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP86900155A
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German (de)
French (fr)
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EP0207114A1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
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LOreal SA
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Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0207114A1 publication Critical patent/EP0207114A1/en
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Publication of EP0207114B1 publication Critical patent/EP0207114B1/en
Expired legal-status Critical Current

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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

Definitions

  • the invention relates to a device for applying a pasty product according to the first part of claim 1.
  • elastic abutment means are provided towards the end of the tubular element remote from the outlet end, these elastic abutment means bearing against the neighboring edge of the cylindrical envelope and / or of the jacket when these have been fitted onto the tubular element, and pushing said envelope in a direction parallel to the axial direction, against the stop means provided at the other end.
  • the elastic stop means comprise an elastic element provided with a frustoconical skirt suitable for pressing against the internal surface of the cover, and with a radial rim, suitable for exerting an axial thrust.
  • Such an elastic element must be specially manufactured and complicates the mounting of the device.
  • the frustoconical skirt requires housing both in the radial direction and in the longitudinal direction, which increases the overall size of the device.
  • the connection zone between the frustoconical skirt and the radial rim has an angular shape which, in repeated bending, can constitute a zone of weakness.
  • US-A-2,545,864 presents a device having an elastic stop means which may have the aim of eliminating the drawbacks due to the dimensional variations of the tubular element and of the envelope.
  • the device provided has a projecting structure which is not sufficiently stable and which is complicated to manufacture.
  • the object of the invention is, above all to provide a device for applying a pasty product, of the kind defined above, which meets better than hitherto the various requirements of the practice and which, in particular, no longer presents or to a lesser degree , the drawbacks recalled above. It is desired, in particular, that such a device be: simple and economical to manufacture, in particular as regards assembly, and of a reduced bulk.
  • a device for applying a pasty product in particular a cosmetic product such as lipstick, presented in the form of a stick, of the kind defined above, and in which are provided, towards its end remote from the end of outlet, elastic stop means capable of bearing against the neighboring edge of the cylindrical casing and / or of the jacket when these have been fitted onto the tubular element, the above elastic stop means pushing said casing, according to a direction parallel to the axial direction, against the stop means provided at the other end, the elastic stop means comprising a boss projecting radially outward, provided on a flexible strip of the wall of the tubular element, this flexible strip being oriented transversely with respect to the axis of the tubular element characterized in that the strip is defined by two transverse slots provided on either side of e said band.
  • the flexible strip consists of a part of the wall of the tubular element, generally made of plastic.
  • the flexible strip is preferably oriented in the circumferential direction, orthogonally to the axis of the tubular element.
  • the elastic stop means are generally provided in at least two diametrically opposite locations of the tubular element. These elastic abutment means can be located, along the circumference, at right angles to two diametrically opposite slides of the tubular element.
  • the elastic stop means in particular the embossing, have a radial dimension sufficient to rub against the inner surface of the jacket and serve as a lateral brake.
  • the invention also relates to a tubular element for a device as defined above, this tubular element being characterized in that it is fitted, on its outer wall, towards its end remote from the outlet end, with elastic stop means , comprising, in particular, a boss provided on a flexible transverse strip delimited by two slots provided on either side of the strip.
  • FIG. 1 a device 1 for applying a pasty product, in particular lipstick, presented in the form of a stick 2.
  • This device 1 comprises a tubular element 3, in which two diametrically opposed slides 4, 5 are provided, constituted by slots passing through the wall of the element 3.
  • the upper end 6 of the slide 4 is open as visible in the figures 1 and 2, on the other hand, the slide 5 is closed at its upper end.
  • the two slides 4 and 5 are closed at their lower end situated on the side of a button 7, forming a base of the tubular element 3 and integral with the latter.
  • the slides 4 and 5 are rectilinear and bordered by two generatrices of the tubular element 3 which is cylindrical.
  • the slide 4 has, at its lower end, a notch 8 in the peripheral direction.
  • a similar indentation can be provided at the lower end and at the upper end of the slide 5 for end-of-travel locking.
  • a cup 9 (FIG. 1 intended to receive the stick 2, is slidably mounted in the tubular element 1; this cup comprises two diametrically opposite lugs 10, 11, engaged, respectively, in the slides 4 and 5.
  • the lugs 10 and 11 protrude radially outwards by a sufficient distance to completely cross the slides 4 and 5 and protrude beyond the exterior surface of the element 3.
  • a cylindrical casing 12 is fitted on the tubular element 3 and is retained on the latter by stop means B1, B2 at its two axial ends.
  • the envelope 12 has, in its wall, at least one, and preferably two grooves 13, 14 in helix, diametrically opposite. These grooves 13, 14 can be formed by slots passing through the wall of the envelope 12, these slots being closed at their ends. The pins 10 and 11 are engaged, by their outer radial ends, in the grooves 13, 14.
  • the tubular element 3, the cup 9 and the casing 12 are generally made of plastic.
  • the casing 12 is blocked, in particular by force-fitting or by bonding, in an outer jacket 15, in particular a metallic one, the end 16 of which, opposite the outlet orifice 17 of the tubular element 3, is received in a recess annular 18 formed on the button 7.
  • the element 3 and the button 7 are mounted free in rotation relative to the casing 12 and to the jacket 15.
  • the stops B 1, B2 are provided on the tubular element 3.
  • the stop B1 is formed by a collar 19 making radially outwards, surrounding the outlet orifice 17 of the tubular element 3.
  • the edge 20 of the jacket 15 is folded over this collar 6 and delimits a passage orifice for same diameter as that of hole 17.
  • the casing 12 with a closed circular contour, has an inside diameter substantially equal to the outside diameter of the element 3, below the flange 19; the outside diameter of the envelope 12 is slightly greater than that of the collar 19.
  • the diameter of the button 7 is greater than the outside diameter of the casing 12 and is approximately equal to the outside diameter of the jacket 15.
  • the casing 12 is mounted on the tubular element 3 by snap-fastening or snap-fastening.
  • the envelope 12 is threaded onto the end of the tubular element 3 provided with the flange 19.
  • the stop means B2 provided on the element 3, towards its end remote from the outlet orifice 17, are constituted by elastic stop means 21 adapted to bear against the neighboring edge 22 of the cylindrical envelope 12 when the latter has been fitted onto the element 3, the above elastic stop means 21 pushing the said envelope 12 against the flange 19.
  • Each elastic stop means 21 comprises a boss 23 projecting radially outward, provided on a flexible strip 24 of the wall of the tubular element 3.
  • the flexible strip 24 is oriented transversely relative to the direction of the axis AA of the tubular element 3.
  • this flexible strip is oriented in the circumferential direction, orthogonally to this axis AA as shown in FIG. 3.
  • the tubular element 3 may comprise, in front of the button 7, a zone 25 of larger outside diameter, forming a shoulder 26 at the connection with the major part of the tubular element 3; the outside diameter of the zone 25 is substantially equal to the outside diameter of the envelope 12.
  • the flexible strip 24 can be provided at the edge of the shoulder 26, in the zone 25 as shown in FIGS. 3 and 4.
  • the embossment 23 protrudes, in a direction parallel to the axis AA, with respect to the shoulder 26, in the direction of the flange 19.
  • the distance in the axial direction against the shoulder 26 of the flange 19 is designated by H. has designated by L the axial length of the casing 12.
  • the flexible strip 24 is delimited by two transverse slots 27, 28 provided transversely on either side of said strip 24.
  • This strip therefore consists of a sort of tab on the wall of the element 3 which remains between two slots 27 , 28 practiced in this wall.
  • the angular extent E of the strip 24 appears in FIG. 5. It can be of the order of 15 °.
  • the boss 23 is located on the edge of the strip 24 facing the flange 19.
  • elastic stop means 21 are provided in two diametrically opposite places of the tubular element 3 as visible in FIG. 5, each elastic stop means 21 being arranged as described above.
  • these elastic abutment means 21 are situated, along the circumference, at right angles to the slides 4, 5 as also visible in FIG. 5, in order to promote demolding.
  • the stop means 21 may alternatively be provided in the axis of the slides.
  • Each boss 23 has a radial dimension sufficient to rub against the inner surface 29 (FIG. 5) of the jacket 15. It should be noted that the flexible blade 24 also has an elasticity in the radial direction, this elasticity making it possible to maintain the boss 23 constantly pressing against the inner surface 29.
  • T The distance in the direction parallel to the axis A-A has been designated by T (FIG. 3) between the collar 19 and the edge of the boss 23 facing this collar.
  • the distance T is chosen to be less than the minimum distance L that may take the casing 12 as a result of dimensional variations in manufacture.
  • the device according to the invention makes it possible to ensure braking and backlash and thus improve the control.
  • the operation of the device is also improved and the operation of the button 7 is made smoother.
  • the automatic mounting of the device can be carried out without difficulty since it is ensured that the casing 12 can be mounted by snapping on the tubular element 3.
  • the tubular element 3 is produced from a polymer material, in particular a semi-rigid plastic material, having a reduced coefficient of friction.
  • the elastic means 21, formed by a ring projecting radially outwards on the jacket 15, make it possible to obtain a good seal when this device is provided with a hood which can be interesting in the case where the pasty product contains a volatile matter.

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  • Closures For Containers (AREA)
  • Support Of The Bearing (AREA)
  • Cosmetics (AREA)

Abstract

The device comprises a tubular element (3) with slide (4, 5) wherein is slidingly mounted a cup (9) intended to receive a product stick, a cylindrical envelope (12) in the wall of which there is provided at least one spiral groove intended to co-operate with spigots (10, 11) of the cup, said envelope (12) being fitted on the element (3), and an outer casing. The tubular element (3) is provided on its outer wall, towards its end remote from the outlet (17), with spring stop means (21) intended to bear against the adjacent edge (22) of the cylindrical envelope (12) when the latter has been fitted on the tubular element (3), said spring stop means (21) pushing the envelope (12) in a direction parallel to the axial direction against the stop means (B1, 19) provided at the other end.

Description

1. L'invention est relative à un dispositif pour appliquer un produit pâteux selon la première partie de la revendication 1.1. The invention relates to a device for applying a pasty product according to the first part of claim 1.

En raison des variations des cotes dimensionnelles des pièces de ce dispositif, notamment de l'élément tubulaire et de l'enveloppe, variations dimensionnelles inévitables dans une fabrication, on est amené à prévoir des tolérances de fabrication conduisant, dans certains cas de montage, à des jeux relativement importants, notamment parallèlement à la direction axiale, entre l'élément tubulaire et l'enveloppe. Le dispositif est alors relativement libre et du fait des jeux présents, l'élément tubulaire peut se déplacer légèrement par rapport à l'enveloppe; il en résulte une commande du déplacement du bâton de produit pâteux manquant de précision.Due to variations in the dimensional dimensions of the parts of this device, in particular of the tubular element and of the casing, unavoidable dimensional variations in manufacturing, it is necessary to provide manufacturing tolerances leading, in certain mounting cases, to relatively large clearances, in particular parallel to the axial direction, between the tubular element and the casing. The device is then relatively free and due to the play present, the tubular element can move slightly relative to the envelope; this results in a command to move the stick of pasty product lacking precision.

Selon US-A-2 840 229, des moyens de butée élastiques sont prévus vers l'extrémité de l'élément tubulaire éloignée de l'extrémité de sortie, ces moyens de butée élastiques prenant appui contre le bord voisin de l'enveloppe cylindrique et/ou de la chemise lorsque celles-ci ont été emmanchées sur l'élémenttubulaire, et poussant ladite enveloppe suivant une direction parallèle à la direction axiale, contre les moyens de butée prévus à l'autre extrémité. Les moyens de butée élastiques comprennent un élément élastique muni d'une jupe tronconique propre à appuyer contre la surface interne du couvercle, et d'un rebord radial, propre à exercer une poussée axiale. Un tel élément élastique doit être fabriqué spécialement et complique le montage du dispositif. La jupe tronconique nécessite un logement aussi bien dans le sens radial que dans le sens longitudinal, ce qui augmente l'encombrement global du dispositif. En outre, la zone de raccordement entre la jupe tronconique et le rebord radial a une forme anguleuse qui, en flexions répétées, peut constituer une zone de faiblesse.According to US-A-2 840 229, elastic abutment means are provided towards the end of the tubular element remote from the outlet end, these elastic abutment means bearing against the neighboring edge of the cylindrical envelope and / or of the jacket when these have been fitted onto the tubular element, and pushing said envelope in a direction parallel to the axial direction, against the stop means provided at the other end. The elastic stop means comprise an elastic element provided with a frustoconical skirt suitable for pressing against the internal surface of the cover, and with a radial rim, suitable for exerting an axial thrust. Such an elastic element must be specially manufactured and complicates the mounting of the device. The frustoconical skirt requires housing both in the radial direction and in the longitudinal direction, which increases the overall size of the device. In addition, the connection zone between the frustoconical skirt and the radial rim has an angular shape which, in repeated bending, can constitute a zone of weakness.

US-A-2 545 864 présente un dispositif ayant un moyen de butée élastique qui peut avoir le but d'éliminer les inconvénients dus aux variations dimensionnelles de l'élément tubulaire et de l'enveloppe. Pourtant le dispositif prevu a une structure en saillie qui n'est pas suffisamment stable et qui est de fabrication compliquée.US-A-2,545,864 presents a device having an elastic stop means which may have the aim of eliminating the drawbacks due to the dimensional variations of the tubular element and of the envelope. However, the device provided has a projecting structure which is not sufficiently stable and which is complicated to manufacture.

L'invention a pour but, surtout de fournir un dispositif pour appliquer un produit pâteux, du genre défini précédemment, qui répond mieux que jusqu'à présent aux diverses exigences de la pratique et qui, notamment, ne présente plus ou à un degré moindre, les inconvénients rappelés ci-dessus. On souhaite, en particulier, qu'un tel dispositif soit: d'une fabrication simple et économique, notamment en ce qui concerne le montage, et d'un encombrement réduit.The object of the invention is, above all to provide a device for applying a pasty product, of the kind defined above, which meets better than hitherto the various requirements of the practice and which, in particular, no longer presents or to a lesser degree , the drawbacks recalled above. It is desired, in particular, that such a device be: simple and economical to manufacture, in particular as regards assembly, and of a reduced bulk.

Selon l'invention, un dispositif pour appliquer un produit pâteux, notamment un produit cosmétique tel que du rouge à lèvres, présenté sous forme de bâton, du genre défini précédemment, et dans lequel sont prévus, vers son extrémité éloignée de l'extrémité de sortie, des moyens de butée élastiques propres à prendre appui contre le bord voisin de l'enveloppe cylindrique et/ou de la chemise lorsque celles-ci ont été emmanchées sur l'élément tubulaire, les susdits moyens de butée élastiques poussant ladite enveloppe, suivant une direction parallèle à la direction axiale, contre les moyens de butée prévus à l'autre extrémité, les moyens de butée élastiques comprenant un bosselage faisant saillie radialement vers l'extérieur, prévu sur une bande flexible de la paroi de l'élément tubulaire, cette bande flexible étant orienté transversalement par rapport à l'axe de l'élément tubulaire caractérisé par le fait que la bande est définie par deux lumières transversales prévues de part et d'autre de ladite bande.According to the invention, a device for applying a pasty product, in particular a cosmetic product such as lipstick, presented in the form of a stick, of the kind defined above, and in which are provided, towards its end remote from the end of outlet, elastic stop means capable of bearing against the neighboring edge of the cylindrical casing and / or of the jacket when these have been fitted onto the tubular element, the above elastic stop means pushing said casing, according to a direction parallel to the axial direction, against the stop means provided at the other end, the elastic stop means comprising a boss projecting radially outward, provided on a flexible strip of the wall of the tubular element, this flexible strip being oriented transversely with respect to the axis of the tubular element characterized in that the strip is defined by two transverse slots provided on either side of e said band.

Avantageusement, la bande flexible est constituée par une partie de la paroi de l'élément tubulaire, généralement réalisé en matière plastique.Advantageously, the flexible strip consists of a part of the wall of the tubular element, generally made of plastic.

La bande flexible est, de préférence, orientée suivant la direction circonférentielle, orthogonalement à l'axe de l'élément tubulaire.The flexible strip is preferably oriented in the circumferential direction, orthogonally to the axis of the tubular element.

Les moyens de butée élastiques sont, généralement prévus en au moins deux endroits, diamétralement opposés, de l'élément tubulaire. Ces moyens de butée élastiques peuvent être situés, suivant la circonférence, à angle droit par rapport à deux glissières diamétralement opposées de l'élément tubulaire.The elastic stop means are generally provided in at least two diametrically opposite locations of the tubular element. These elastic abutment means can be located, along the circumference, at right angles to two diametrically opposite slides of the tubular element.

Les moyens de butée élastiques, notamment le bosselage, ont une dimension radiale suffisante pour frotter contre la surface intérieure de la chemise et servir de frein latéral.The elastic stop means, in particular the embossing, have a radial dimension sufficient to rub against the inner surface of the jacket and serve as a lateral brake.

L'invention concerne également un élément tubulaire pour dispositif tel que défini précédemment, cet élément tubulaire étant caractérisé par le fait qu'il est équipé, sur sa paroi extérieure, vers son extrémité éloignée de l'extrémité de sortie, de moyens de butée élastiques, comprenant, notamment, un bosselage prévu sur une bande flexible transversale délimitée par deux lumières prévues de part et d'autre de la bande.The invention also relates to a tubular element for a device as defined above, this tubular element being characterized in that it is fitted, on its outer wall, towards its end remote from the outlet end, with elastic stop means , comprising, in particular, a boss provided on a flexible transverse strip delimited by two slots provided on either side of the strip.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en certaines autres dispositions dont il sera plus explicitement question ci-après à propos d'un mode de réalisation particulier décrit avec référence au dessin ci-annexé, mais qui n'est nullement limitatif.

  • La figure 1, de ce dessin, est une coupe suivant la ligne 1-1 de la figure 2.
  • La figure 2 est une vue de droite du dispositif, par rapport à la figure 1, avec parties arrachées.
  • La figure 3 est une vue en élévation illustrant la mise en place de l'enveloppe cylindrique, partiellement représentée, sur l'élément tubulaire.
  • La figure 4 est une vue en élévation de l'élément tubulaire sur lequel l'enveloppe cylindrique vient d'être emmanchée.
  • La figure 5, enfin, est une coupe suivant la ligne V-V de la figure 3.
The invention consists, apart from the arrangements set out above, of certain other arrangements which will be more explicitly discussed below in connection with a particular embodiment described with reference to the attached drawing, but which does not is in no way limiting.
  • FIG. 1, of this drawing, is a section along line 1-1 of FIG. 2.
  • Figure 2 is a right view of the device, relative to Figure 1, with parts broken away.
  • Figure 3 is an elevational view illustrating the establishment of the cylindrical envelope, partially shown, on the tubular member.
  • Figure 4 is an elevational view of the tubular member on which the cylindrical casing has just been fitted.
  • FIG. 5, finally, is a section along the line VV of FIG. 3.

En se rapportant aux dessins, notamment à la figure 1, on peut voir un dispositif 1 pour appliquer un produit pâteux, notamment du rouge à lèvres, présenté sous forme de bâton 2.Referring to the drawings, in particular in FIG. 1, one can see a device 1 for applying a pasty product, in particular lipstick, presented in the form of a stick 2.

Ce dispositif 1 comprend un élément tubulaire 3, dans lequel sont prévues deux glissières 4, 5 diamétralement opposées, constituées par des fentes traversant la paroi de l'élément 3. L'extrémité supérieure 6 de la glissière 4 est ouverte comme visible sur les figures 1 et 2, par contre, la glissière 5 est fermée à son extrémité supérieure.This device 1 comprises a tubular element 3, in which two diametrically opposed slides 4, 5 are provided, constituted by slots passing through the wall of the element 3. The upper end 6 of the slide 4 is open as visible in the figures 1 and 2, on the other hand, the slide 5 is closed at its upper end.

Les deux glissières 4 et 5 sont fermées à leur extrémité inférieure située du côté d'un bouton 7, formant embase de l'élément tubulaire 3 et solidaire de ce dernier.The two slides 4 and 5 are closed at their lower end situated on the side of a button 7, forming a base of the tubular element 3 and integral with the latter.

Les glissières 4 et 5 sont rectilignes et bordées par deux génératrices de l'élément tubulaire 3 qui est cylindrique. La glissière 4 comporte, a son extrémité inférieure, une échancrure 8 dans le sens périphérique. Une échancrure semblable peut être prévue à l'extrémité inférieure et à l'extrémité supérieure de la glissière 5 pour un blocage fin de course.The slides 4 and 5 are rectilinear and bordered by two generatrices of the tubular element 3 which is cylindrical. The slide 4 has, at its lower end, a notch 8 in the peripheral direction. A similar indentation can be provided at the lower end and at the upper end of the slide 5 for end-of-travel locking.

Une cupule 9 (figure 1 destinée à recevoir le bâton 2, est montée coulissante dans l'élémenttubu- laire 1; cette cupule comporte deux ergots 10, 11 diamétralement opposés, engagés, respectivement, dans les glissières 4 et 5. Les ergots 10 et 11 font saillie radialement vers l'extérieur d'une distance suffisante pour traverser complètement les glissières 4 et 5 et faire saillie au-delà de la surface extérieure de l'élément 3.A cup 9 (FIG. 1 intended to receive the stick 2, is slidably mounted in the tubular element 1; this cup comprises two diametrically opposite lugs 10, 11, engaged, respectively, in the slides 4 and 5. The lugs 10 and 11 protrude radially outwards by a sufficient distance to completely cross the slides 4 and 5 and protrude beyond the exterior surface of the element 3.

Une enveloppe cylindrique 12 est emmanchée sur l'élément tubulaire 3 et est retenue sur ce dernier par des moyens de butée B1, B2 à ses deux extrémités axiales.A cylindrical casing 12 is fitted on the tubular element 3 and is retained on the latter by stop means B1, B2 at its two axial ends.

L'enveloppe 12 comporte, dans sa paroi, au moins une, et de préférence, deux rainures 13, 14en hélice, diamétralement opposées. Ces rainures 13, 14 peuvent être formées par des fentes traversant la paroi de l'enveloppe 12, ces fentes étant fermées à leurs extrémités. Les ergots 10 et 11 sont engagés, par leurs extrémités radiales extérieures, dans les rainures 13, 14.The envelope 12 has, in its wall, at least one, and preferably two grooves 13, 14 in helix, diametrically opposite. These grooves 13, 14 can be formed by slots passing through the wall of the envelope 12, these slots being closed at their ends. The pins 10 and 11 are engaged, by their outer radial ends, in the grooves 13, 14.

L'élément tubulaire 3, la cupule 9 et l'enveloppe 12 sont généralement réalisés en matière plastique. L'enveloppe 12 est bloquée, notamment par introduction à force ou par collage, dans une chemise extérieure 15, notamment métallique dont l'extrémité 16, opposée à l'orifice de sortie 17 de l'élément tubulaire 3, est reçue dans un évidement annulaire 18 ménagé sur le bouton 7. L'élément 3 et le bouton 7 sont montés libres en rotation par rapport à l'enveloppe 12 et à la chemise 15.The tubular element 3, the cup 9 and the casing 12 are generally made of plastic. The casing 12 is blocked, in particular by force-fitting or by bonding, in an outer jacket 15, in particular a metallic one, the end 16 of which, opposite the outlet orifice 17 of the tubular element 3, is received in a recess annular 18 formed on the button 7. The element 3 and the button 7 are mounted free in rotation relative to the casing 12 and to the jacket 15.

Il apparaît immédiatement qu'en agissant sur le bouton 7, pour le faire tourner, ainsi que l'élément 3, par rapport à l'enveloppe 12 et à la chemise 15, on provoque un mouvement axial de montée ou de descente de la coupelle 9 et du bâton 2, selon le sens de rotation, du fait de la coopération des ergots 10, 11 avec les rainures 13, 14 en hélice.It immediately appears that by acting on the button 7, to rotate it, as well as the element 3, relative to the casing 12 and the jacket 15, an axial movement of raising or lowering of the cup is caused. 9 and the stick 2, in the direction of rotation, due to the cooperation of the pins 10, 11 with the grooves 13, 14 in a helix.

Les butées B 1, B2 sont prévues sur l'élémenttubu- laire 3.The stops B 1, B2 are provided on the tubular element 3.

La butée B1 est formée par une collerette 19 faisant radialement vers l'extérieur, entourant l'orifice de sortie 17 de l'élément tubulaire 3. Le bord 20 de la chemise 15 est rabattu sur cette collerette 6 et délimite un orifice de passage de même diamètre que celui de l'orifice 17.The stop B1 is formed by a collar 19 making radially outwards, surrounding the outlet orifice 17 of the tubular element 3. The edge 20 of the jacket 15 is folded over this collar 6 and delimits a passage orifice for same diameter as that of hole 17.

L'enveloppe 12, à contour circulaire fermé, à un diamètre intérieur sensiblement égal au diamètre extérieur de l'élément 3, au-dessous de la collerette 19; le diamètre extérieur de l'enveloppe 12 est légèrement supérieur à celui de la collerette 19.The casing 12, with a closed circular contour, has an inside diameter substantially equal to the outside diameter of the element 3, below the flange 19; the outside diameter of the envelope 12 is slightly greater than that of the collar 19.

Le diamètre du bouton 7 est supérieur au diamètre extérieur de l'enveloppe 12 et est environ égal au diamètre extérieur de la chemise 15.The diameter of the button 7 is greater than the outside diameter of the casing 12 and is approximately equal to the outside diameter of the jacket 15.

L'enveloppe 12 est montée, sur l'élément tubulaire 3, par enclipsage ou claquage. Pour cela, comme schématiquement illustré sur la figure 3, l'enveloppe 12 est enfilée sur l'extrémité de l'élément tubulaire 3 muni de la collerette 19.The casing 12 is mounted on the tubular element 3 by snap-fastening or snap-fastening. For this, as schematically illustrated in FIG. 3, the envelope 12 is threaded onto the end of the tubular element 3 provided with the flange 19.

Du fait de la présence de l'extrémité supérieure ouverte 8 de la glissière 4, dans cette collerette 19, l'élément tubulaire 3 peut être déformé et le diamètre de la collerette 19 peut être réduit de manière à pénétrer dans l'enveloppe 12. Lorsque cette enveloppe 12 à été suffisamment enfoncée, la collerette 19 sort de cette enveloppe et reprend ses dimensions primitives; l'extrémité axiale voisine de l'enveloppe 12 se trouve alors en butée contre ladite collerette 19, constituant la butée B1.Due to the presence of the open upper end 8 of the slide 4, in this flange 19, the tubular element 3 can be deformed and the diameter of the flange 19 can be reduced so as to penetrate into the envelope 12. When this envelope 12 has been sufficiently pushed in, the flange 19 comes out of this envelope and resumes its original dimensions; the axial end close to the casing 12 is then in abutment against said flange 19, constituting the abutment B1.

Les moyens de butée B2, prévus sur l'élément 3, vers son extrémité éloignée de l'orifice de sortie 17, sont constitués par des moyens de butée élastiques 21 propres à prendre appui contre le bord voisin 22 de l'enveloppe cylindrique 12 lorsque celle-ci à été emmanchée sur l'élément 3, les susdits moyens de butée élastiques 21 poussant ladite enveloppe 12 contre la collerette 19.The stop means B2, provided on the element 3, towards its end remote from the outlet orifice 17, are constituted by elastic stop means 21 adapted to bear against the neighboring edge 22 of the cylindrical envelope 12 when the latter has been fitted onto the element 3, the above elastic stop means 21 pushing the said envelope 12 against the flange 19.

Chaque moyen de butée élastique 21 comprend un bosselage 23 faisant saillie radialement vers l'extérieur, prévu sur une bande flexible 24 de la paroi de l'élément tubulaire 3. La bande flexible 24 est orientée transversalement par rapport à la direction de l'axe A-A de l'élément tubulaire 3. De préférence, cette bande flexible est orientée suivant la direction circonférentielle, orthogonalement à cet axe A-A comme représenté sur la figure 3.Each elastic stop means 21 comprises a boss 23 projecting radially outward, provided on a flexible strip 24 of the wall of the tubular element 3. The flexible strip 24 is oriented transversely relative to the direction of the axis AA of the tubular element 3. Preferably, this flexible strip is oriented in the circumferential direction, orthogonally to this axis AA as shown in FIG. 3.

L'élément tubulaire 3 peut comporter, en avant du bouton 7, une zone 25 de plus fort diamètre extérieur, formant un épaulement 26 au niveau du raccordement avec la majeure partie de l'élément tubulaire 3; le diamètre extérieur de la zone 25 est sensiblement égal au diamètre extérieur de l'enveloppe 12. La bande flexible 24 peut être prévue en bordure de l'épaulement 26, dans la zone 25 comme représenté sur les figures 3 et 4. Le bosselage 23 fait saillie, suivant une direction parallèle à l'axe A-A, par rapport à l'épaulement 26, en direction de la collerette 19. On a désigné par H la distance suivant la direction axiale contre l'épaulement 26 de la collerette 19. On a désigné par L la longueur axiale de l'enveloppe 12.The tubular element 3 may comprise, in front of the button 7, a zone 25 of larger outside diameter, forming a shoulder 26 at the connection with the major part of the tubular element 3; the outside diameter of the zone 25 is substantially equal to the outside diameter of the envelope 12. The flexible strip 24 can be provided at the edge of the shoulder 26, in the zone 25 as shown in FIGS. 3 and 4. The embossment 23 protrudes, in a direction parallel to the axis AA, with respect to the shoulder 26, in the direction of the flange 19. The distance in the axial direction against the shoulder 26 of the flange 19 is designated by H. has designated by L the axial length of the casing 12.

La bande flexible 24 est délimitée par deux lumières transversales 27, 28 prévus transversalement de part et d'autre de ladite bande 24. Cette bande est donc constituée par une sorte de languette de la paroi de l'élément 3 qui subsiste entre deux lumières 27, 28 pratiquée dans cette paroi. L'étendue angulaire E de la bande 24 apparaît sur la figure 5. Elle peut être de l'ordre de 15°. Le bosselage 23 est situé sur le bord de la bande 24 tourné vers la collerette 19.The flexible strip 24 is delimited by two transverse slots 27, 28 provided transversely on either side of said strip 24. This strip therefore consists of a sort of tab on the wall of the element 3 which remains between two slots 27 , 28 practiced in this wall. The angular extent E of the strip 24 appears in FIG. 5. It can be of the order of 15 °. The boss 23 is located on the edge of the strip 24 facing the flange 19.

Avantageusement, des moyens de butée élastiques 21 sont prévus en deux endroits diamétralement opposés de l'élément tubulaire 3 comme visible sur la figure 5, chaque moyen de butée élastique 21 étant agencé comme décrit précédemment.Advantageously, elastic stop means 21 are provided in two diametrically opposite places of the tubular element 3 as visible in FIG. 5, each elastic stop means 21 being arranged as described above.

De préférence, ces moyens de butée élastiques 21 sont situés, suivant la circonférence, à angle droit par rapport aux glissières 4, 5 comme également visible sur la figure 5, pour favoriser le démoulage. Les moyens de butée 21 peuvent, en variante, être prévus dans l'axe des glissières.Preferably, these elastic abutment means 21 are situated, along the circumference, at right angles to the slides 4, 5 as also visible in FIG. 5, in order to promote demolding. The stop means 21 may alternatively be provided in the axis of the slides.

Chaque bosselage 23 a une dimension radiale suffisante pour frotter contre la surface intérieure 29 (figure 5) de la chemise 15. Il est à noter que la lame flexible 24 présente également une élasticité suivant la direction radiale, cette élasticité permettant de maintenir le bosselage 23 constamment en appui contre la surface intérieure 29.Each boss 23 has a radial dimension sufficient to rub against the inner surface 29 (FIG. 5) of the jacket 15. It should be noted that the flexible blade 24 also has an elasticity in the radial direction, this elasticity making it possible to maintain the boss 23 constantly pressing against the inner surface 29.

On a désigné par T (figure 3) la distance, suivant la direction parallèle à l'axe A-A, entre la collerette 19 et le bord du bosselage 23 tourné vers cette collerette.The distance in the direction parallel to the axis A-A has been designated by T (FIG. 3) between the collar 19 and the edge of the boss 23 facing this collar.

Pour être sûr que l'enveloppe 12, après emmanchement sur l'élément tubulaire 3, soit en appui axial à ses deux extrémités respectivement contre la collerette 19, et contre les bosselages 23, la distance T est choisie inférieure à la distance L minimale que peut prendre l'enveloppe 12 par suite des variations dimensionnelles de fabrication.To be sure that the envelope 12, after fitting on the tubular element 3, is in axial support at its two ends respectively against the flange 19, and against the bosses 23, the distance T is chosen to be less than the minimum distance L that may take the casing 12 as a result of dimensional variations in manufacture.

Dans ces conditions, lors du montage de l'enveloppe 12 sur l'élément tubulaire 3, il faudra exercer une poussée axiale par le bord 22, contre les bosselages 23, de manière à déformer la bande flexible 24 comme schématisé sur la figure 4, pour permettre à l'autre extrémité axiale de l'enveloppe 12 de franchir la collerette 19. La déformation de la bande flexible 24 sera plus ou moins importante selon la valeur, variable dans les tolerances de fabrication, de la longueur L de l'enveloppe 12. Mais quelle que soit cette longueur L, au sein de l'intervalle de tolérance de fabrication, on est assuré que les bosselages 23 absorbent les variations dimensionnelles et maintiendront en butée l'enveloppe 12 contre la collerette 19.Under these conditions, when the envelope 12 is mounted on the tubular element 3, it will be necessary to exert an axial thrust by the edge 22, against the bosses 23, so as to deform the flexible strip 24 as shown diagrammatically in FIG. 4, to allow the other axial end of the casing 12 to pass through the flange 19. The deformation of the flexible strip 24 will be more or less significant depending on the value, variable in manufacturing tolerances, of the length L of the casing 12. But whatever this length L, within the manufacturing tolerance interval, it is ensured that the bosses 23 absorb the dimensional variations and will keep the envelope 12 in abutment against the flange 19.

Des remarques semblables s'appliquent à la coopération des bosselages 23 et de la surface interne 29 de la chemise 15. L'élasticité de la bande flexible 24, suivant la dimension radiale, permet d'absorber les variations dimensionnelles du diamètre intérieur de la chemise 15 et du diamètre extérieur de l'élément 3.Similar remarks apply to the cooperation of the bosses 23 and of the internal surface 29 of the jacket 15. The elasticity of the flexible strip 24, along the radial dimension, makes it possible to absorb the dimensional variations of the inside diameter of the jacket. 15 and the outside diameter of the element 3.

L'élasticité de la bande flexible 24, aussi bien dans le sens axial que dans le sens radial, établit une force de contact entre les diverses surfaces sensiblement constante.The elasticity of the flexible strip 24, both in the axial direction and in the radial direction, establishes a contact force between the various surfaces substantially constant.

Un contact simultané des deux extrémités axiales de l'enveloppe 12 avec les butées prévues sur l'élément 3 n'aurait pu être assuré, dans tous les cas, si la butée B2 avait été fixe, comme la butée B 1 et constituée, par exemple, par l'épaulement radial 26. Du fait des variations dimensionnelles en cours de fabrication, on ne pourrait assurer, dans tous les cas, l'égalité entre les distances L et H.Simultaneous contact of the two axial ends of the casing 12 with the stops provided on the element 3 could not have been ensured, in all cases, if the stop B2 had been fixed, like the stop B 1 and constituted, by example, by the radial shoulder 26. Due to the dimensional variations during manufacture, it would not be possible, in all cases, to ensure equality between the distances L and H.

En raison des variations dimensionnelles, dans une telle hypothèse où B2 serait fixe, pour être certain de pouvoir monter par claquage l'enveloppe 12 sur l'élément tubulaire 3, il serait nécessaire de prévoir un minimum de 0,2 à 0,3 mm de jeu. Il en résulterait un montage relativement libre de l'élément tubulaire 3 dans l'enveloppe 12, avec possibilité de légers mouvements axiaux de l'élément 3 par rapport à l'enveloppe 12 et à la chemise 15, et une commande moins précise et moins agréable des déplacements du bâton 2.Due to the dimensional variations, in such a hypothesis where B2 would be fixed, to be certain of being able to snap-fit the casing 12 onto the tubular element 3, it would be necessary to provide a minimum of 0.2 to 0.3 mm This would result in a relatively free mounting of the tubular element 3 in the casing 12, with the possibility of slight axial movements of the element 3 relative to the casing 12 and the jacket 15, and less control. precise and less pleasant movement of the stick 2.

Le dispositif conforme à l'invention permet d'assurer un freinage et un rattrapage de jeu et d'améliorer ainsi la commande.The device according to the invention makes it possible to ensure braking and backlash and thus improve the control.

Il est à noter que l'invention s'applique intégralement dans le cas où l'enveloppe 12 et la chemise 15 forment une seule et même pièce.It should be noted that the invention applies fully in the case where the envelope 12 and the jacket 15 form a single piece.

Le fonctionnement du dispositif est également amélioré et la manoeuvre du bouton 7 est rendue plus douce.The operation of the device is also improved and the operation of the button 7 is made smoother.

Le montage automatique du dispositif peut être réalisé sans difficulté puisque l'on est assuré que l'enveloppe 12 pourra être montée par claquage sur l'élément tubulaire 3.The automatic mounting of the device can be carried out without difficulty since it is ensured that the casing 12 can be mounted by snapping on the tubular element 3.

De préférence, on réalise l'élément tubulaire 3 en un matériau polymère, notamment une matière plastique semi-rigide, présentant un coefficient de frottement réduit.Preferably, the tubular element 3 is produced from a polymer material, in particular a semi-rigid plastic material, having a reduced coefficient of friction.

La suppression des tolérances extrêmement serrées des différentes pièces du mécanisme, selon l'invention, rend la réalisation du moulage et de l'emboutissage plus facile. Dans certaines variantes de réalisation, notamment celles des figures 6 et 11, les moyens élastiques 21, formés par une bague faisant saillie radialement vers l'extérieur sur la chemise 15, permettent d'obtenir une bonne étanchéité quand ce dispositif est muni d'un capot ce qui peut être intéressant dans le cas où le produit pâteux contient une matière volatile.The elimination of the extremely tight tolerances of the different parts of the mechanism according to the invention makes the molding and stamping operation easier. In certain variant embodiments, in particular those of FIGS. 6 and 11, the elastic means 21, formed by a ring projecting radially outwards on the jacket 15, make it possible to obtain a good seal when this device is provided with a hood which can be interesting in the case where the pasty product contains a volatile matter.

Le réglage de la dureté ou de l'onctuosité du fonctionnement sera effectué en jouant sur les paramètres suivants:

  • - souplesse des moyens élastiques;
  • - coefficient de frottement des moyens élastiques;
  • - surface en contact de ces moyens élastiques;
  • - profil - évidé ou non de ces moyens élastiques;
  • - taux de compression des moyens élastiques, notamment dans le cas de bagues élastiques;
  • - serrage sur le diamètre interne des bagues élastiques.
The hardness or smoothness of the operation will be adjusted by adjusting the following parameters:
  • - flexibility of elastic means;
  • - coefficient of friction of the elastic means;
  • - surface in contact with these elastic means;
  • - profile - hollowed out or not of these elastic means;
  • - compression ratio of the elastic means, in particular in the case of elastic rings;
  • - tightening on the internal diameter of the elastic rings.

Claims (8)

1. A device for applying a pasty product, in particular a cosmetic product such as lipstick, presented in stick form, comprising: a tubular element (3) with a slide (4) wherein there is slidably mounted a cup (9) intended to accomodate the stick (2) of the product and comprising at least one stub (10, 11) engaged in the slide; a cylindrical shell (12), in the wall whereof, provision is made for at least one helical groove (13, 14), this shell (12) being fitted on the tubular element (3) and being retained on this latter by stop means (B1, B2) at its two axial ends, the stub or stubs of the cup being engaged in the helical groove(s) of the shell; and, possibly, en external casing (15), a metallic one in particular, wherein the shell (12) is secured, whilst the tubular element can turn in relation to the said shell and casing, the unit being such that when the tubular element is caused to turn in relation to the shell, the cooperation of the stub or stubs of the cup with the helix produces an axial movement of the cup and the emergence or retraction of the stick of the product, according to the direction of rotation, via an outlet end of the tubular element, elastic stop means being provided towards the end of the tubular element (3) remote from the outlet end (17), and being capable of bearing egainst the adjoining egde (22) of the cylindrical shell (12) and/or of the casing (15) when the latter have been fitted on the tubular element (3), the above mentioned elastic stop means (21) pushing the said shell (12) along a direction parallel to the axial direction against the stop means (B 1) provided at the other end, the elastic stop means (21) comprising a boss (23) projecting radially towards the outside provided on a flexible strip (24) of the wall of the tubular element (3), this flexible strip (24) being orientated transversely in relation to the axis (A-A) of the tubular element (3), characterized in that the strip is defined by two transverse holes (27, 28) provided on either side of the said strip (24).
2. A device according to claim 1, characterized in that the flexible strip (24) is constituted by a portion of the wall of the tubular element (3), generally made of a plastic material.
3. A device according to claim 1 or 2, characterized in that the flexible strip (24) is orientated along the circumferential direction, orthogonally to the axis (A-A) of the tubular element (3).
4. A device according to any one of the preceding claims, characterized in that the elastic stop means (21) are provided at two diametrically opposed points of the tubular element (3).
5. A device according to any of the preceding claims, characterized in that the elastic stop means (21) are situated along the circumference at right angles in relation to two diametrically opposed slides (4, 5) of the tubular element (3).
6. A device according to any one of the preceding claims, characterized in that the tubular element (3) comprises a zone (25) with a larger diameter, in front of a knob (7), forming a shoulder (26) at the level of the transition to the major portion of the tubular element (3); the flexible strip (24) is provided in this zone (25) adjoining the shoulder (26), and the boss (23) projects along a direction parallel to the axis (A-A) of the tubular element (3) in relation to the shoulder (26).
7. A device according to any one of the preceding claims, characterized in that the elastic stop means (21), in particular the boss (23) have a sufficiently large radial dimension to rub against the inner surface (29) of the casing (15) and to serve as a lateral restraint.
8. A tubular element for a device according to any one of claims 1 to 7, characterized in that it is fitted on its external wall towards its end remote from the outlet end (17), with elastic stop means (21) capable of bearing against the adjoining egde (22) of the cylindrical shell (12) and/or of the casing (15) when the latter have been fitted on the tubular element (3), the above mentioned elastic stop means (21) pushing the said shell (12) against the stop means (B1) provided at the other end.
EP86900155A 1984-12-18 1985-12-11 Device for applying a pasty product, particularly a cosmetic product such as a lipstick, and tubular element for such a device Expired EP0207114B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8419335A FR2574640B1 (en) 1984-12-18 1984-12-18 DEVICE FOR APPLYING A PASTY PRODUCT, IN PARTICULAR A COSMETIC PRODUCT SUCH AS LIPSTICK, AND TUBULAR ELEMENT FOR SUCH A DEVICE
FR8419335 1984-12-18

Publications (2)

Publication Number Publication Date
EP0207114A1 EP0207114A1 (en) 1987-01-07
EP0207114B1 true EP0207114B1 (en) 1989-05-03

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EP86900155A Expired EP0207114B1 (en) 1984-12-18 1985-12-11 Device for applying a pasty product, particularly a cosmetic product such as a lipstick, and tubular element for such a device

Country Status (7)

Country Link
US (1) US4812066A (en)
EP (1) EP0207114B1 (en)
JP (1) JPH0622485B2 (en)
DE (2) DE3569875D1 (en)
ES (1) ES291070Y (en)
FR (1) FR2574640B1 (en)
WO (1) WO1986003658A1 (en)

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Also Published As

Publication number Publication date
ES291070Y (en) 1987-07-16
JPH0622485B2 (en) 1994-03-30
WO1986003658A1 (en) 1986-07-03
FR2574640B1 (en) 1987-02-13
DE207114T1 (en) 1987-09-24
EP0207114A1 (en) 1987-01-07
US4812066A (en) 1989-03-14
ES291070U (en) 1986-11-16
JPS62501128A (en) 1987-05-07
FR2574640A1 (en) 1986-06-20
DE3569875D1 (en) 1989-06-08

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