EP0658325B1 - Device for applying a pasty product, in particular a cosmetic product such as lipstick - Google Patents
Device for applying a pasty product, in particular a cosmetic product such as lipstick Download PDFInfo
- Publication number
- EP0658325B1 EP0658325B1 EP94402792A EP94402792A EP0658325B1 EP 0658325 B1 EP0658325 B1 EP 0658325B1 EP 94402792 A EP94402792 A EP 94402792A EP 94402792 A EP94402792 A EP 94402792A EP 0658325 B1 EP0658325 B1 EP 0658325B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubular element
- base
- tongues
- casing
- frustoconical
- 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 - Lifetime
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Classifications
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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 product pasty, in particular a cosmetic product such as lipstick, presented in the form of a stick.
- EP-A-0 491 579 shows, in particular in FIG. 5, a device which allows you to catch up on the game, essentially in the direction radial, between the various elements of the mechanism and, simultaneously, a "smooth" operation when the tubular element is rotated slide, relative to the cylindrical casing and to the jacket metallic.
- the solution proposed by this document does not allow not to obtain a sufficient compensation of the play according to the direction longitudinal.
- EP-A-0 620 288 which is a document interlayer, that the cylindrical envelope in which is provided for at least one propeller, has a transverse tongue provided with a picot.
- This pin rubs on the inner wall of the outer shirt which is parallel to the axis.
- This wall has an area of least thickness on which the pin comes to bear against the thinner part of the wall, allowing the spike to return to its shape when the tube is closed or fully open.
- the object of the invention is, above all, to provide a device of the kind previously defined which is of a relatively simple embodiment, particularly with regard to molding operations and demoulding and whose flexible friction means can act with sufficient freedom to ensure good elastic self-centering and anti-vibration effect.
- the stick of pasty product is then better protected against shocks.
- 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, is characterized by the fact that the flexible friction means constituted by the (the) tongue (s) and the inclined bearing surface are located, in the axial direction, beyond the lower end of the outer jacket.
- the friction surface can be frustoconical.
- the friction surface is formed by a surface concave outward.
- the maximum outside diameter of the assembly of these flexible friction means is substantially equal to the diameter outside of said shirt.
- At least two elastic tabs are provided to cooperate with the surface inclined support.
- the inclined bearing surface is a frustoconical surface, or equivalent, provided on the base of the element tubular, while the tab or tabs are provided on the casing cylindrical.
- the frustoconical surface can be oriented in such a way that its large diameter is located in the lower part, the tab (s) being provided in the lower part of the envelope and being offset radially outward from the envelope so that a annular shoulder is formed at the root of the tabs, on the surface outside of the envelope.
- Said shoulder advantageously constitutes an axial stop of the outer jacket.
- the frustoconical surface provided on the base is oriented so as to present its large diameter at the top and this surface is concave, while the tab or tabs provided in lower part of the envelope are biased radially inward by said frustoconical surface.
- the internal face of the tabs provided in the lower part of the cylindrical envelope is preferably located substantially on the same cylindrical surface as the bottom of the helical groove.
- the frusto-conical surface facing outside or inside is provided in the lower part of the envelope provided with the helical groove, while the tab (s) are provided on the base of the tubular element and are directed upwards so as to cooperate outwardly, or inwardly, with the the above frustoconical surface.
- the inclined bearing surface can form part of a groove or rib with V cross section or curved arc with which a part of the conjugate form of the each tab.
- the tongues can have a variable radial thickness depending on the axial direction, this dimension decreasing in the direction of the free end of the tongue.
- the tabs can have a curved shape, as well for their contour only for their longitudinal profile in a plane passing through the axis of the device.
- the tabs may have, at their ends, means for improving the slip and reducing the friction, in particular beads or recesses.
- each slot limiting a fin preferably has a round shape.
- the material used for the cylindrical envelope comprising the or the helical grooves is chosen from the group of polystyrenes, polyolefins, polyacetals, polytetrafluoroethylene derivatives, polyesters.
- the molded material of the tubular element is chosen, from preferably, among the group of polyolefins, polystyrenes, cellulose acetates and propionates, vinyl polymers, polyacetals, derivatives of polytetrafluoroethylene.
- the material used for molding the tubular member of a part, and / or the cylindrical envelope provided with the helical groove preferably comprises from 0.2 to 20% of slip agent such than boron nitride, molybdenum bi-sulfide, graphite or silicones.
- the tubular slide element has at least one strip relatively elastic, limited by two longitudinal slots substantially parallel to the axis of the tubular element, this strip being adjoining the tubular element at its narrow ends, while that the cup and / or the strip has at least one protuberance external and / or internal, radially projecting, suitable for pressing against the surface of the part with which it cooperates, the strip exerting a elastic force on said cup so as to make up for the play transverse and to maintain contact between the cup and part of the internal surface of the tubular element.
- the longitudinal profile of the internal surface of the strip has an inward convexity.
- the tubular slide element may have a closed bottom suitable for strengthening its rigidity and facilitating its fixing, in particular by collage, on a base.
- the base of the tubular element may include, below flexible friction means, annular discs projecting radially, forming gadroons, suitable for securing the element tubular in a base.
- the base of the tubular element may include at least one elastic protuberance capable of projecting radially from the surface lateral lateral and elastically deformable inwards, while a base intended to cover the lower part of the element tubular comprises combined hooking means, in particular a recess provided on the internal surface of the base in which is clean to snap the corresponding elastic protuberance.
- the base of the tubular member may have a central hole or a central jacket, provided in a thick bottom wall, suitable for fit tightly on a stud projecting from the bottom of the base. In this case, the presence of the annular discs is not necessary.
- the base has a central hole and slots star radials, radiating from this hole, and determining deformable sectors, while the base has a stud, advantageously frustoconical and provided with notches, on which come hook the inner ends of the bottom areas of the base.
- the base linked to the base of the tubular element can be constituted by a covering base or by a ballasting means which will itself be surrounded by a covering.
- the base, the tubular element comprises axial stop means on its outer surface, located radially outwardly relative to the friction means, these means of axial stop being adapted to cooperate with the lower end of tabs provided in the lower part of the cylindrical casing, of so as to limit the axial engagement of the tubular element in said cylindrical shell.
- the tabs can be formed into two groups having different heights and profiles, the tabs of a group belonging to the friction means and being intended to bear, by their ends, on said inclined bearing surface, while the tabs of the second group are located radially outside of the bearing surface so as to be able to cooperate only with the axial stop means of the base, the tabs of this second group having a height greater than that of the first group.
- the face internal tabs of the second group gradually deviates from the axis of the cylindrical envelope from top to bottom, while the face external is substantially parallel to this axis; the first tabs group have a different shape with their inner side substantially parallel to the axis and their external face progressively approaching the axis from top to bottom.
- the base of the tubular element may include, below flexible friction means, annular discs projecting radially, forming gadroons, suitable for securing the element tubular in a base.
- the bottom of the external base is removable and the tubular element can be pulled down, when the bottom is removed, to be replaced by a refill, with replacement of the background.
- the bottom of the base is slidably mounted in this base, but linked in rotation to said base, elastic means being provided between the bottom and the part bottom of the tubular element, the bottom being provided with a skirt cylindrical, the internal upper edge of which has a frustoconical shape conjugate of the frustoconical surface of a protuberance (s) elastic (s) for attachment, provided on the tubular element, the assembly being such that in normal position, the upper edge of the bottom exerts a braking action on the protuberance and the tubular element, while by axial depression of the bottom, the bending is caused protrusion (s) radially inward, with detachment of the tubular element which can be extracted from above, and replaced by a spare.
- the device D comprises a tubular element 1 with slide 2 formed by a longitudinal slot extending from bottom to top following the direction of the generators of element 1.
- slide 2 formed by a longitudinal slot extending from bottom to top following the direction of the generators of element 1.
- two 2 diametrically opposite slides are provided.
- a cup 3 is slidably mounted inside the element tubular. Lipstick stick B is received and held tight in the cup 3.
- This cup of cylindrical shape, has two pins 4 diametrically opposite, projecting radially outwards. The pins 4 are engaged in the slides 2 and pass through these runners protruding from the outer surface of the element tubular 1.
- At least one slide 2 opens at the top.
- the slides 2 stop at the bottom at one end 5 below which the tubular element 1 is extended by a cylindrical base 6 itself closed at its lower end by a transverse bottom 7 which gives good rigidity at base 6.
- the height of base 6 is sufficient to accommodate the cup 3 in the low position when the pins 4 are in support against the ends 5 of the slides 2.
- the base 6 is provided on its periphery, in the lower part, with discs superimposed 8 concentric, forming gadroons, of a diameter sufficient outside to ensure good attachment of the base 6 in an external base 9, for example of prismatic shape with cross-section square.
- the base 9 is capped with a removable cap 10 which allows to close the device in the storage position. For use and applying lipstick, the cap 10 is removed from the base.
- the fixing of the base 6 can be reinforced by gluing the bottom closed 7 against the bottom of the base 9.
- connection of the base 9 with the base 6 could be carried out using a ballast and a tightening shirt, as described in FR-A-2 588 167.
- a cylindrical plastic casing 11, of thickness reduced, is fitted onto the tubular element 1.
- the casing 11 is axially retained, in the upper part, by a flange 12 of the cap 1 which is crossed, when the envelope 11 is engaged on the element 1 by deformation of this element 1 causing a reduction in its diameter.
- This deformation is allowed, in particular, by the fact that at at least one slide 2 opens at the top and cuts the edge 12.
- the casing 11 has on its internal wall two helical grooves 13 offset by 180 °, in which the outer ends of the lugs 4 are engaged.
- the grooves 13 open at the bottom 11 a of the casing 11 to allow, in particular, the 'engagement of the pins 4.
- the outer jacket 14 extends downward, in the longitudinal direction, at least to the vicinity of the level 11 a where the grooves 13 open, that is to say at a level lower than that of the lugs 4 when the cup 3 is in the lowest possible position, illustrated in FIG. 1.
- Flexible friction means F are provided between the envelope 11 and the base 6 of the tubular element 1.
- these flexible friction means F include flexible tongues 15 provided in the lower part of envelope 11, these tabs, of rectangular shape, being limited by parallel longitudinal slots 16 ( Figure 2). If applicable, only one tongue 15 could be provided, but preferably, one provides several tabs 15 regularly distributed.
- the tongues 15 are located, in the longitudinal direction, beyond the end bottom of the outer metal jacket 14, as visible on Figures 1 and 2.
- the tongues 15 are offset radially towards the outside with respect to the casing 11 so that a shoulder annular 17 is formed at the root of the tongues 15, on the surface outer envelope 11.
- the outer jacket 14 abuts axial against this shoulder 17.
- the outer surface of the tongues 15 is substantially in the extension of the outer surface of the shirt 14.
- the height of the tongues 15 is advantageously between 2 mm and 20 mm.
- the internal surface 18 of the tongues 15 in the rest state is advantageously located on the same cylindrical surface as the bottom 19 grooves 13.
- the friction means F comprise, on the side of the base 6, a tapered convex surface 20, facing outward, the large base is located down. This frustoconical surface is located at a level lower than that of the lower end of the jacket 14.
- the lower end of the tongues 15 is resiliently supported, the outside on the surface 20, substantially at mid-height.
- the surface internal of the external base 9 is spaced from the external surface of the jacket 14 of a distance j sufficient to allow free elastic deformation of the tongues 15 towards the outside.
- the dimensions of the different rooms are designed so that mounting, the tongues 15 exert a radial pressure on the surface 20 while the upper end of the casing 11 is in abutment against the rim 12.
- the elastic tightening action of the tongues 15 combined with the support surface 20, inclined on the axis of the element 1 provides self-centering of the envelope 11 relative to the element tubular 1 and a longitudinal backlash with the abutment of the upper end of the casing 11 against the rim 12. It has results an anti-vibration effect of the parts between them, and a protection stick B of cosmetic product against shock and jolts.
- the tightening action can correspond to a variation of 0.02 mm to 1.5 mm of the diameter of the circular contour enveloping the tabs 15 at rest, at their free ends.
- the tongues 15 advantageously include a bead internal peripheral 21 at their lower end, this bead having a rounded cross section to facilitate sliding against the surface 20.
- tabs 15 which project downwards beyond of the open end of the grooves 13 facilitates the demolding of the envelope 11. In fact, to release the grooves 13, it is necessary to give a helical movement to a molding core (not shown) which has ribs conjugated with grooves 13. The presence of tabs 15 allows the envelope 11 to be retained in rotation relative to to the molding core and to accomplish the helical movement, between core and casing, intended to release the core from the grooves 13.
- the action of the elastic tongues 15 on the inclined bearing surface 20 is located at a level lower than that of pins 4 so that the risks of jamming of the cup 3, in due to a deformation of the base 6 due to the tightening exerted by the tabs 15, are practically deleted.
- the tongues 15, instead of being integral with the envelope 11, can be provided on a ring whose edge longitudinal upper would replace, for example, the shoulder 17 of the figure 1.
- This ring would be free to rotate relative to the envelope 11, while being held axially between the lower end of the envelope 11 (which would be located at the shoulder 17 of the Figure 1) and the frustoconical surface 20.
- This ring would be attached to the tubular element 1.
- the tongues 15 constantly exert support elastic against the frustoconical surface 20, which ensures catching up of play and permanent self-centering and gives character of "smoothness" to the rotational movement, with a braking effect.
- FIG. 3 illustrates an alternative embodiment wherein the bearing surface 20a, inclined to the axis, rather than being tapered, is formed by a surface of revolution whose meridian is a curve concave arc towards the outside, for example an arc of a circle.
- the cooperation of the tongues 15 with this bearing surface 20 a also provides self-centering and an anti-vibration effect as in the case of FIGS. 1 and 2.
- the small base of the surface 20 b is located at the lower part of this surface, at its connection with the cylindrical surface of the tubular element 1 b .
- the frusto-conical surface 20b flares from bottom to top and defines, with the adjacent external cylindrical wall of the tubular element 1b , an annular space with a dihedral-shaped cross section, the top of which faces downwards.
- the tongues 15 b are provided in the lower part of the tubular casing 11 b under conditions similar to those described in connection with FIGS. 1 and 2.
- the lower end of the tongues 15 b comes to bear against the surface 20 b and the tongues 15 b are elastically deformed inwards, in the radial direction.
- the action of the tongues 15 b on the inclined bearing surface 20 b ensures self-centering and an anti-vibration effect similar to that described in connection with FIGS. 1 and 2.
- the tongues 15 b have a variable thickness which decreases at the bottom so that the lower end 22 of the tongues 15 b is thinned and has an external face inclined relative to the axis of the envelope 11 b for better slide on the surface 20 b .
- Figures 6 and 7 illustrate another possible embodiment which constitutes, in a way, the reverse of the embodiment of Figures 4 and 5 in the sense that the tongues 15 c in the case of Figures 6 and 7, are integral with the 'tubular element 1 c and are oriented from bottom to top, while the frustoconical surface 20 c is provided in the lower part of the jacket 11 c .
- Elements similar to elements already described in connection with the preceding figures bear the same reference numerals followed by the letter c , without their description being repeated.
- the flexible friction means F formed by the frustoconical surface 20 c and the tongues 15 c are located, in the axial direction, beyond the lower end of the metallic outer jacket 14 c .
- the large base of the frustoconical surface 20 c has substantially the same diameter as the external cylindrical surface of the jacket 14 c while the internal cylindrical surface of the envelope 11 c , at the level of the frustoconical surface 20 c , has an equal diameter to that of the bottom 19 c of the helical grooves.
- the frustoconical surface 20 c decreases in diameter from top to bottom.
- the tongues 15 c are distant from the external cylindrical surface of the tubular element 1 c , and are integral, at their roots, with an annular bead 23 forming an integral part of this tubular element 1 c .
- the upper part 24 of the internal face of the tongues 15 c is preferably inclined relative to the axis of the tubular element 1 c so that the radial thickness of the tongues 15 c gradually decreases from bottom to top. This inclined face 24 cooperates with the frustoconical surface 20 c and provides the self-centering and the anti-vibration effect described with reference to the preceding figures.
- Figure 8 illustrates an alternative embodiment of Figures 6 and 7. Similar elements are designated by the same reference numerals, followed by the letter d .
- the tongues 15 d are provided, as in the case of FIGS. 6 and 7, in the lower part of the tubular element 1 d they project upwards from the annular bead 23.
- the tongues 15 d are sufficiently distant from the external surface of the tubular element 1 d to be able to deform elastically radially inwards.
- the frustoconical surface 20 d provided in the lower part of the jacket 11 d is concave, turned inward and widens from top to bottom. This surface 20 d is provided on the internal side of the jacket 11 d .
- the upper end of the tongues 15 d is tapered and has an external surface inclined relative to the axis of the tubular element 1 d .
- the upper ends of the tongues 15 d are located radially inside the surface 20 d .
- the tongues 15 d biased radially inwards, exert an elastic force on the frustoconical surface 20 d having a radial component and an axial component as in the previous examples, which provide self-centering and an anti-vibration effect .
- Figures 9 and 10 illustrate an alternative embodiment in which elements similar to elements already described are designated by numerical references having same digits units and tens, preceded by the number 1 hundreds. So will even for the variants of the following figures where the figure of hundreds will be changed alone.
- the frustoconical surface 120 provided in the lower part of the element tubular 101, in a manner similar to Figure 1, constitutes a part of an annular groove 25 of V cross section, extending around the tubular element 101.
- the frustoconical surface 120 constitutes the lower part of the groove 25 and decreases in diameter from bottom to high to reach the bottom of the throat 25.
- the end of the tongues 115 provided in the lower part of the envelope 111 is provided with a rounded spout 27 projecting radially inwards, suitable for cooperating with the two surfaces 120 and 26.
- the meridian section i.e. the section by a plane passing through the axis of the tubular element 101
- the groove 25 could be limited not by straight segments like represented, but by concave or convex curved arcs.
- Figures 11 and 12 illustrate an alternative embodiment of the Figures 9 and 10, variant according to which the groove 25 is replaced by a peripheral rib 225 with a meridian section in a curved arc convex, surrounding the lower external part of the tubular element 201.
- Tabs 215, provided in the lower part of the envelope cylindrical 211, are provided, on their internal surface, with a recess 28 having a conjugate cross section of the peripheral rib 225 so as to ensure self-centering and longitudinal maintenance of the envelope 211 relative to the tubular element 201.
- FIG. 13 illustrates an alternative embodiment according to which the base of the tubular element 301 comprises axial stop means S suitable for cooperating with the lower end of tongues 315 a provided in the lower part of the cylindrical casing 311, so limiting the axial engagement of the tubular element 301 in said envelope 311.
- the stop means S are advantageously constituted by a annular shoulder 29, located radially outside the surface frustoconical 320.
- the shoulder 29 is located in a plane orthogonal to the axis of the tubular element 301.
- Two tongues groups 315, 315 has alternating, are provided in the lower part of the casing 311 as shown in Figure 14.
- the tabs 315 of the first group, belonging to the flexible rubbing means F, are intended to bear by their lower ends against the frustoconical surface 320 to ensure self-centering and braking.
- the internal face of the tongues 315 is substantially parallel to the axis of the cylindrical envelope and in line with the surface on which the bottoms 319 of the grooves are located.
- the external face of the tongues 315 is inclined with respect to the axis of the envelope 311 and gradually approaches this axis from top to bottom.
- the tongues 315 a of the second group have a profile different from that of the tongues 315, and a height greater than that of these same tongues 315.
- the external face of the tongues 315 a is substantially parallel to the axis of the envelope 311 while that the internal face is inclined relative to this axis so as to gradually deviate from top to bottom.
- the tongues 315 a cannot cooperate with the surface 320, and intervene only to limit the depression of the casing 311 on the tubular element 301, coming to abut by their lower end against the shoulder 29.
- the tongues 415 can have various shapes, especially edges that are not parallel neither straight. These different shapes, particularly curved, are also possible for the longitudinal profiles of the tabs.
- FIG. 16 illustrates a means of attachment between the base 506 of the tubular element 501 and the outer base 509.
- This attachment means comprises at least one protuberance elastic 30 forming hooking notch, suitable for projecting radially on the external lateral surface of the base 506 of the element generally 501.
- protuberances 30 are distributed regularly on the periphery of the base.
- the base 509 intended to receive the lower part of the tubular element 501, comprises a conjugate means constituted by a recess 31 provided on the internal face of the element 501.
- the upper edge 31 a of the recess 31 is located in a plane orthogonal to the axis of the base 509 so as to constitute a stop surface for the upper edge 30 a of the protuberance 30, also located in a plane orthogonal to the axis of the element 501.
- L the recess 31 is produced during the molding of the base 509 and an opening 32 remains in the bottom of the base 509, which corresponds to the passage necessary to remove, after molding, a drawer which has made it possible to produce the recess 31.
- the tubular element 501 is hooked into the base 509 automatically at the end of insertion of the tubular element 501.
- the elastic protuberances 30 which, when inserted, are obliterated radially inwards by the internal wall of the base 509, return to the position illustrated in FIG. 16 when they reach the level of the recess 31.
- the beak of the protuberance 30 then projects under the transverse upper edge 31 a of the recess 31, which ensures the attachment of the tubular element 501 in the base 509.
- Figures 17 to 19 illustrate a feature of the invention which can be used independently or in combination with characteristics mentioned previously.
- the tubular element 601 with slide 602, of the device for apply a cosmetic product such as lipstick contains at least one relatively elastic band 33 limited by two slits longitudinal 34, 35 substantially parallel to the axis of the element tubular.
- the strip 33 adjoins its ends 36, 37 of weak width of the tubular element 601.
- two strips 33 diametrically opposed are provided in the tubular element 601 offset 90 ° from the two runners 602.
- the longitudinal slots 34, 35 comprise, in upper and lower part, a peripheral segment, at right angles, forming returns 34a, 34b, or 35a, 35b. Extreme returns from the same slot are oriented in reverse.
- the internal longitudinal profile 38 (see FIG. 18) of the strip 33 preferably has an inward convexity so that exert a radial tightening on the cup 603.
- This cup 603 has at least one external protuberance 39 projecting radially to bear against the internal surface of a strip 33.
- two protrusions 39 diametrically opposite, offset by 90 ° with respect to the pins 604, are provided on the outer surface of the cup 603.
- the protrusions 39 are constituted by ribs extending in the direction of a generatrix of the cup 603, over its entire height (see Figures 18 and 19). Cup 603 is thus subjected to an elastic force in the radial direction, which makes it possible to make up for transverse play and maintain contact between the cup 603 and the internal surface of the tubular element 601, with suppression vibrations.
- the band 33 provides a uniform elastic support on the cup, whatever its position in the tubular element 601.
- the protrusion 39a can be provided on the internal face of the strip 33 and present itself as a longitudinal bead over the entire length of the strip 33, in particularly mid-width.
- a frustoconical surface 620 belonging to the flexible friction means which may include, on the side of the cylindrical envelope (not shown), tabs opening downwards in a shape frustoconical substantially complementary to that of the surface 620.
- FIG. 20 we can see a variant of embodiment for fixing the base 706 of the tubular element 701.
- This base 706 has a central hole 40 in a bottom wall thick, or a chimney, suitable for fitting with tightening on a stud 41, in particular of frustoconical shape, protruding in the center from the bottom of the base 709.
- the presence of the discs 8 in FIG. 1 is not no longer needed.
- the stud 41 is crossed by an axial passage.
- the base 806 has a central hole 840 and radial star slots 42, radiating from hole 840. Slots 42 determine areas elastically deformable 43.
- the base 809 comprises a frustoconical central stud 841 provided notches 44 projecting from its surface, on which hang the internal ends 45 of the sectors 43 of the bottom of the base 806.
- the radial star slits 942 extend over the lower zone 46 of the cylindrical wall of the base 906, by straight parts 47.
- This lower zone 46 goes have a certain elasticity in the radial direction and deform in increasing in diameter as illustrated in FIG. 24, when the engagement of the nipple 941 in the hole 940.
- a crown of legs 48, projecting from the bottom of the base 909, is advantageously provided to snap on the deformed bottom edge of the base 906 and complete the fixing provided by pin 941.
- the base 9-909 of the examples considered can be a dressing base (decorative), or a ballast that is itself surrounded by a decorative covering.
- Figure 25 shows an alternative embodiment of Figure 1 allowing a tubular element 1 to be removed, the stick B of which is worn, to replace it with a new refill.
- Identical parts or playing roles similar to those already described in connection with Figure 1 will be designated by the same references, possibly followed an apostrophe "'", without their description being repeated.
- the base 9 ' is constituted by a metal jacket serving hubcap.
- the internal diameter of the base 9 ', over most of it in height, is significantly greater than the outside diameter of the shirt 14.
- the base 9 ' has, at its upper end, a collar 49 of reduced outer diameter and whose inner diameter is equal, at operating clearance, to the outside diameter of the jacket 14.
- the superimposed discs 8 have a sufficient diameter to support against the inner surface of the large diameter part of the base 9 ', so that the discs 8 cannot pass through the neck 49.
- the base 9 ' has a removable bottom 50, constituted by a disc provided, on its periphery, latching means 51 suitable for cooperate with combined means 52, for example a rib circular, provided on the internal wall of the base 9 '.
- the user can release the bottom 50, from the base 9 ', and remove the element worn by sliding down. A refill is then put in place, by sliding from bottom to top; the bottom 50 is then fixed, by latching, in the base 9 '.
- FIG. 26 illustrates an alternative embodiment of the device of the Figure 16, variant allowing recharging of the device with an element fitted with a new stick of lipstick.
- the base 509 ′ has a separate bottom 53, constituted by a disc whose circular peripheral edge is provided with a skirt cylindrical 54, engaged with gentle friction in the base 509 '.
- the bottom 53 is retained in the base 509 'by an inner bead 55, of this base, received in an annular groove 56 provided at the bottom bottom device 53.
- the bottom 53 includes at least one spring tab 57, coming from molding with the bottom, and bearing against the lower part of the tubular element 501, possibly via a plate 58.
- a spring lug 57 Preferably, several spring lugs 57, regularly distributed are provided in the bottom 53.
- Each leg 57 works in bending and tends to rise elastically by pushing back the plate 58 and element 501.
- the internal upper edge of the skirt 54 is arranged in the form of a frustoconical surface 59 whose large base faces the high.
- the surface 59 is provided for rubbing against the surface external frustoconical of the protrusions 30, when the bottom 53 is in place, axially retained by the bead 55.
- the bottom 53 is immobilized in rotation with respect to the base 509 ′, for example by a series of ribs and grooves conjugate, parallel to the axis of the base, provided respectively on the outer cylindrical surface of the skirt 54 and the adjacent inner cylindrical surface of the base 509 '.
- the frustoconical surface 59 by rubbing against the protuberances, exerts a braking in rotation between the element 501 and the bottom 53 linked in rotation to the base 509 '.
- the bottom 53 can slide slightly towards the inside of the base 509 ', under the effect of a push from the user, against of the force exerted by the lug (s) 57. This sliding causes a radial inward bending of the protrusions 30, as a result of the cooperation of frustoconical surfaces.
- the stop surface 30a of each protrusion is thus released from the upper edge 31a.
- Element 501 of which the lipstick stick is worn, can be cleared up, and be replaced by a full refill introduced from top to bottom, until the protrusions 30 are hooked under the edge 31a.
- the material used for the cylindrical envelope such as 11, comprising the groove or grooves in helix is chosen from the group of polystyrenes, polyolefins, polyacetals, derivatives of polytetrafluoroethylene, polyesters.
- the molded material of the base 9, 109 is preferably chosen among the group of polyolefins, polystyrenes, acetates and cellulose propionates, vinyl polymers, polyacetals, derivatives of polytetrafluoroethylene.
- the material used for molding the base and the element tubular on the one hand and / or the cylindrical envelope 11 on the other hand preferably comprises from 0.2 to 20% of slip agent such as boron nitride, molybdenum bi-sulfide, graphite or silicones.
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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Cosmetics (AREA)
- Coating Apparatus (AREA)
- Wrapping Of Specific Fragile Articles (AREA)
- Closures For Containers (AREA)
Description
L'invention est relative à un dispositif pour appliquer un produit pâteux, en particulier un produit cosmétique tel que du rouge à lèvres, présenté sous forme de bâton.The invention relates to a device for applying a product pasty, in particular a cosmetic product such as lipstick, presented in the form of a stick.
Le dispositif visé par l'invention est du genre de ceux qui comprennent:
- un élément tubulaire à glissière dans lequel est montée coulissante une cupule destinée à recevoir le bâton de produit et comportant au moins un ergot engagé dans une glissière ;
- une enveloppe cylindrique dans la paroi de laquelle est prévue au moins une rainure en hélice, cette enveloppe étant emmanchée sur l'élément tubulaire et étant retenue sur ce dernier par des moyens de butée axiale, l'ergot de la cupule étant engagé dans une rainure de l'enveloppe ;
- et une chemise extérieure, en particulier métallique, dans laquelle l'enveloppe est bloquée, tandis que l'élément tubulaire peut tourner par rapport aux dites enveloppe et chemise,
- a tubular slide element in which a cup is slidably mounted intended to receive the product stick and comprising at least one lug engaged in a slide;
- a cylindrical envelope in the wall of which at least one helical groove is provided, this envelope being fitted onto the tubular element and being retained on the latter by means of axial abutment, the lug of the cup being engaged in a groove of the envelope;
- and an outer jacket, in particular a metallic jacket, in which the envelope is blocked, while the tubular element can rotate relative to said envelope and jacket,
Un dispositif de ce genre est connu notamment d'après la figure 8 de US-A-3 515 493. Toutefois, la solution proposée par ce document pose des problèmes de mise en oeuvre pratique car l'espace radial laissé à la languette flexible pour sa réalisation et pour sa déformation est réduit entre la chemise extérieure et l'élément tubulaire. Cet espace correspond à peine à la profondeur radiale de la rainure en hélice, profondeur qui est faible.A device of this kind is known in particular from the Figure 8 of US-A-3,515,493. However, the solution proposed by this document poses practical implementation problems because space radial left to the flexible tongue for its realization and for its deformation is reduced between the outer jacket and the element tubular. This space barely corresponds to the radial depth of the helical groove, depth which is small.
EP-A-0 491 579 montre, notamment à la figure 5, un dispositif qui permet d'obtenir un rattrapage de jeu, essentiellement dans le sens radial, entre les divers éléments du mécanisme et, simultanément, un fonctionnement "onctueux" lors de la rotation de l'élément tubulaire à glissière, par rapport à l'enveloppe cylindrique et à la chemise métallique. Toutefois, la solution proposée par ce document ne permet pas d'obtenir une compensation suffisante du jeu suivant la direction longitudinale.EP-A-0 491 579 shows, in particular in FIG. 5, a device which allows you to catch up on the game, essentially in the direction radial, between the various elements of the mechanism and, simultaneously, a "smooth" operation when the tubular element is rotated slide, relative to the cylindrical casing and to the jacket metallic. However, the solution proposed by this document does not allow not to obtain a sufficient compensation of the play according to the direction longitudinal.
Il est connu par EP-A-0 620 288 qui est un document
intercalaire, que l'enveloppe cylindrique dans laquelle est prévue au
moins une hélice, comporte une languette transversale munie d'un
picot. Ce picot frotte sur la paroi interne de la chemise extérieure qui
est parallèle à l'axe. Cette paroi comporte une zone de moindre
épaisseur sur laquelle le picot vient en appui contre la partie plus mince
de la paroi, ce qui permet au picot de reprendre sa forme lorsque le
tube est fermé ou entièrement ouvert.It is known from EP-
L'invention a pour but, surtout, de fournir un dispositif du genre défini précédemment qui soit d'une réalisation relativement simple, notamment en ce qui concerne les opérations de moulage et de démoulage et dont les moyens de frottement souple peuvent agir avec une liberté suffisante pour assurer un bon auto-centrage élastique et un effet anti-vibration. Le bâton de produit pâteux est alors mieux protégé contre les chocs.The object of the invention is, above all, to provide a device of the kind previously defined which is of a relatively simple embodiment, particularly with regard to molding operations and demoulding and whose flexible friction means can act with sufficient freedom to ensure good elastic self-centering and anti-vibration effect. The stick of pasty product is then better protected against shocks.
Selon l'invention un dispositif pour appliquer un produit pâteux, en particulier un produit cosmétique tel que du rouge à lèvres, présenté sous forme de bâton, du genre défini précédemment, est caractérisé par le fait que les moyens de frottement souple constitués par la (les) languette(s) et la surface d'appui inclinée sont situés, dans le sens axial, au-delà de l'extrémité inférieure de la chemise extérieure.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, is characterized by the fact that the flexible friction means constituted by the (the) tongue (s) and the inclined bearing surface are located, in the axial direction, beyond the lower end of the outer jacket.
La surface de frottement peut être tronconique.The friction surface can be frustoconical.
En variante, la surface de frottement est formée par une surface concave vers l'extérieur.Alternatively, the friction surface is formed by a surface concave outward.
Avantageusement, le diamètre extérieur maximal de l'ensemble de ces moyens de frottement souple est sensiblement égal au diamètre extérieur de ladite chemise.Advantageously, the maximum outside diameter of the assembly of these flexible friction means is substantially equal to the diameter outside of said shirt.
Dans ces conditions, on dispose d'un espace radial suffisant pour loger les moyens de frottement souple dont l'efficacité se trouve améliorée, et dont la fabrication est sensiblement facilitée, notamment au niveau des opérations de moulage et de démoulage. Under these conditions, there is sufficient radial space to accommodate the flexible friction means whose effectiveness is improved, and whose manufacture is significantly facilitated, in particular at the level of molding and demolding operations.
De préférence, au moins deux languettes élastiques, diamétralement opposées, sont prévues pour coopérer avec la surface d'appui inclinée.Preferably, at least two elastic tabs, diametrically opposed, are provided to cooperate with the surface inclined support.
Selon une première possibilité, la surface d'appui inclinée est une surface tronconique, ou équivalente, prévue sur la base de l'élément tubulaire, tandis que la ou les languettes sont prévues sur l'enveloppe cylindrique. La surface tronconique peut être orientée de telle manière que son grand diamètre soit situé en partie basse, la ou les languettes étant prévues en partie basse de l'enveloppe et étant déportées radialement vers l'extérieur par rapport à l'enveloppe de sorte qu'un épaulement annulaire est formé à la racine des languettes, sur la surface extérieure de l'enveloppe. Ledit épaulement constitue avantageusement une butée axiale de la chemise extérieure.According to a first possibility, the inclined bearing surface is a frustoconical surface, or equivalent, provided on the base of the element tubular, while the tab or tabs are provided on the casing cylindrical. The frustoconical surface can be oriented in such a way that its large diameter is located in the lower part, the tab (s) being provided in the lower part of the envelope and being offset radially outward from the envelope so that a annular shoulder is formed at the root of the tabs, on the surface outside of the envelope. Said shoulder advantageously constitutes an axial stop of the outer jacket.
En variante, la surface tronconique prévue sur la base est orientée de manière à présenter son grand diamètre en partie haute et cette surface est concave, tandis que la ou les languettes prévues en partie basse de l'enveloppe sont sollicitées radialement vers l'intérieur par ladite surface tronconique.Alternatively, the frustoconical surface provided on the base is oriented so as to present its large diameter at the top and this surface is concave, while the tab or tabs provided in lower part of the envelope are biased radially inward by said frustoconical surface.
La face interne des languettes prévues en partie basse de l'enveloppe cylindrique est située, de préférence, sensiblement sur la même surface cylindrique que le fond de la rainure en hélice.The internal face of the tabs provided in the lower part of the cylindrical envelope is preferably located substantially on the same cylindrical surface as the bottom of the helical groove.
Selon une autre possibilité, la surface tronconique tournée vers l'extérieur ou l'intérieur, est prévue en partie basse de l'enveloppe munie de la rainure en hélice, tandis que la ou les languettes sont prévues sur la base de l'élément tubulaire et sont dirigées vers le haut de manière à coopérer vers l'extérieur, ou vers l'intérieur, avec la susdite surface tronconique.Alternatively, the frusto-conical surface facing outside or inside, is provided in the lower part of the envelope provided with the helical groove, while the tab (s) are provided on the base of the tubular element and are directed upwards so as to cooperate outwardly, or inwardly, with the the above frustoconical surface.
La surface d'appui inclinée peut constituer une partie d'une gorge ou d'une nervure à section transversale en V ou en arc de courbe avec laquelle vient coopérer une partie de forme conjuguée de la ou de chaque languette.The inclined bearing surface can form part of a groove or rib with V cross section or curved arc with which a part of the conjugate form of the each tab.
Les languettes peuvent avoir une épaisseur radiale variable selon la direction axiale, cette dimension diminuant en direction de l'extrémité libre de la languette.The tongues can have a variable radial thickness depending on the axial direction, this dimension decreasing in the direction of the free end of the tongue.
Les languettes peuvent avoir une forme incurvée, aussi bien pour leur contour que pour leur profil en long dans un plan passant par l'axe du dispositif.The tabs can have a curved shape, as well for their contour only for their longitudinal profile in a plane passing through the axis of the device.
Les languettes peuvent comporter, à leurs extrémités, des moyens permettant d'améliorer le glissement et de diminuer le frottement, en particulier des bourrelets ou des évidements.The tabs may have, at their ends, means for improving the slip and reducing the friction, in particular beads or recesses.
Le fond de chaque fente limitant une ailette a de préférence une forme arrondie.The bottom of each slot limiting a fin preferably has a round shape.
L'auto-centrage s'effectue suivant la direction longitudinale et suivant la direction radiale. Self-centering takes place in the longitudinal direction and in the radial direction.
La matière utilisée pour l'enveloppe cylindrique comportant la ou les rainures en hélice est choisie parmi le groupe des polystyrènes, des polyoléfines, des polyacétals, des dérivés du polytétrafluoréthylène, des polyesters.The material used for the cylindrical envelope comprising the or the helical grooves is chosen from the group of polystyrenes, polyolefins, polyacetals, polytetrafluoroethylene derivatives, polyesters.
La matière moulée de l'élément tubulaire est choisie, de préférence, parmi le groupe des polyoléfines, des polystyrènes, des acétates et propionates de cellulose, des polymères vinyliques, des polyacétals, des dérivés du polytétrafluoréthylène.The molded material of the tubular element is chosen, from preferably, among the group of polyolefins, polystyrenes, cellulose acetates and propionates, vinyl polymers, polyacetals, derivatives of polytetrafluoroethylene.
La matière utilisée pour le moulage de l'élément tubulaire d'une part, et/ou de l'enveloppe cylindrique munie de la rainure en hélice, d'autre part, comporte de préférence de 0,2 à 20 % d'agent glissant tel que du nitrure de bore, du bi-sulfure de molybdène, du graphite ou des silicones.The material used for molding the tubular member of a part, and / or the cylindrical envelope provided with the helical groove, on the other hand, preferably comprises from 0.2 to 20% of slip agent such than boron nitride, molybdenum bi-sulfide, graphite or silicones.
Selon une variante de l'invention l'élément tubulaire à glissière comporte au moins une bande relativement élastique, limitée par deux fentes longitudinales sensiblement parallèles à l'axe de l'élément tubulaire, cette bande étant attenante à ses extrémités de faible largeur à l'élément tubulaire, tandis que la cupule et/ou la bande comporte au moins une protubérance extérieure et/ou intérieure, en saillie radiale, propre à s'appuyer contre la surface de la pièce avec laquelle elle coopère, la bande exerçant un effort élastique sur ladite cupule de manière à rattraper le jeu transversal et à maintenir un contact entre la cupule et une partie de la surface interne de l'élément tubulaire .According to a variant of the invention the tubular slide element has at least one strip relatively elastic, limited by two longitudinal slots substantially parallel to the axis of the tubular element, this strip being adjoining the tubular element at its narrow ends, while that the cup and / or the strip has at least one protuberance external and / or internal, radially projecting, suitable for pressing against the surface of the part with which it cooperates, the strip exerting a elastic force on said cup so as to make up for the play transverse and to maintain contact between the cup and part of the internal surface of the tubular element.
Avantageusement, le profil longitudinal de la surface interne de la bande présente une convexité vers l'intérieur.Advantageously, the longitudinal profile of the internal surface of the strip has an inward convexity.
L'élément tubulaire à glissière peut comporter un fond fermé propre à renforcer sa rigidité et à faciliter sa fixation, notamment par collage, sur une embase.The tubular slide element may have a closed bottom suitable for strengthening its rigidity and facilitating its fixing, in particular by collage, on a base.
La base de l'élément tubulaire peut comporter, au-dessous des moyens de frottement souple, des disques annulaires en saillie radiale, formant godrons, propres à assurer un accrochage de l'élément tubulaire dans une embase.The base of the tubular element may include, below flexible friction means, annular discs projecting radially, forming gadroons, suitable for securing the element tubular in a base.
La base de l'élément tubulaire peut comporter au moins une protubérance élastique propre à faire saillie radialement sur la surface latérale externe et déformable élastiquement vers l'intérieur, tandis qu'une embase destinée à coiffer la partie inférieure de l'élément tubulaire comporte des moyens d'accrochage conjugués, notamment un évidement prévu sur la surface interne de l'embase dans lequel est propre à venir s'encliqueter la protubérance élastique correspondante.The base of the tubular element may include at least one elastic protuberance capable of projecting radially from the surface lateral lateral and elastically deformable inwards, while a base intended to cover the lower part of the element tubular comprises combined hooking means, in particular a recess provided on the internal surface of the base in which is clean to snap the corresponding elastic protuberance.
La base de l'élément tubulaire peut comporter un trou central ou une chemise centrale, prévu dans une paroi de fond épaisse, propre à s'emmancher avec serrage sur un téton en saillie sur le fond de l'embase. Dans ce cas, la présence des disques annulaires n'est pas nécessaire.The base of the tubular member may have a central hole or a central jacket, provided in a thick bottom wall, suitable for fit tightly on a stud projecting from the bottom of the base. In this case, the presence of the annular discs is not necessary.
En variante, la base comporte un trou central et des fentes radiales en étoile, rayonnant à partir de ce trou, et déterminant des secteurs déformables, tandis que l'embase comporte un téton, avantageusement tronconique et munie de crans, sur lequel viennent s'accrocher les extrémités internes des secteurs du fond de la base.Alternatively, the base has a central hole and slots star radials, radiating from this hole, and determining deformable sectors, while the base has a stud, advantageously frustoconical and provided with notches, on which come hook the inner ends of the bottom areas of the base.
L'embase liée à la base de l'élément tubulaire peut être constituée par une embase d'habillage ou par un moyen de lestage qui sera, lui-même, entouré d'un habillage.The base linked to the base of the tubular element can be constituted by a covering base or by a ballasting means which will itself be surrounded by a covering.
Avantageusement, la base le l'élément tubulaire comporte des moyens de butée axiale sur sa surface extérieure, situés radialement vers l'extérieur par rapport aux moyens de frottement, ces moyens de butée axiale étant propres à coopérer avec l'extrémité inférieure de languettes prévues en partie basse de l'enveloppe cylindrique, de manière à limiter l'engagement axial de l'élément tubulaire dans ladite enveloppe cylindrique.Advantageously, the base, the tubular element comprises axial stop means on its outer surface, located radially outwardly relative to the friction means, these means of axial stop being adapted to cooperate with the lower end of tabs provided in the lower part of the cylindrical casing, of so as to limit the axial engagement of the tubular element in said cylindrical shell.
Les languettes peuvent être constituées en deux groupes ayant des hauteurs et des profils différents, les languettes d'un groupe appartenant aux moyens de frottement et étant destinées à s'appuyer, par leurs extrémités, sur ladite surface d'appui inclinée, tandis que les languettes du deuxième groupe sont situées radialement à l'extérieur de la surface d'appui de manière à pouvoir coopérer uniquement avec les moyens de butée axiale de la base, les languettes de ce deuxième groupe ayant une hauteur supérieure à celle du premier groupe. La face interne des languettes du deuxième groupe s'écarte progressivement de l'axe de l'enveloppe cylindrique de haut en bas, tandis que la face externe est sensiblement parallèle à cet axe ; les languettes du premier groupe ont une forme différente avec leur face interne sensiblement parallèle à l'axe et leur face externe se rapprochant progressivement de l'axe de haut en bas.The tabs can be formed into two groups having different heights and profiles, the tabs of a group belonging to the friction means and being intended to bear, by their ends, on said inclined bearing surface, while the tabs of the second group are located radially outside of the bearing surface so as to be able to cooperate only with the axial stop means of the base, the tabs of this second group having a height greater than that of the first group. The face internal tabs of the second group gradually deviates from the axis of the cylindrical envelope from top to bottom, while the face external is substantially parallel to this axis; the first tabs group have a different shape with their inner side substantially parallel to the axis and their external face progressively approaching the axis from top to bottom.
La base de l'élément tubulaire peut comporter, au-dessous des moyens de frottement souple, des disques annulaires en saillie radiale, formant godrons, propres à assurer un accrochage de l'élément tubulaire dans une embase.The base of the tubular element may include, below flexible friction means, annular discs projecting radially, forming gadroons, suitable for securing the element tubular in a base.
Avantageusement, le fond de l'embase extérieure est amovible et l'élément tubulaire peut être retiré vers le bas, lorsque le fond est enlevé, pour être remplacé par une recharge, avec remise en place du fond.Advantageously, the bottom of the external base is removable and the tubular element can be pulled down, when the bottom is removed, to be replaced by a refill, with replacement of the background.
Selon une variante de dispositif rechargeable, le fond de l'embase est monté coulissant dans cette embase, mais lié en rotation à ladite embase, des moyens élastiques étant prévus entre le fond et la partie inférieure de l'élément tubulaire, le fond étant muni d'une jupe cylindrique dont le bord supérieur interne a une forme tronconique conjuguée de la surface tronconique d'une (de) protubérance(s) élastique(s) d'accrochage, prévue(s) sur l'élément tubulaire, l'ensemble étant tel qu'en position normale, le bord supérieur du fond exerce une action de freinage sur la protubérance et l'élément tubulaire, tandis que par enfoncement axial du fond on provoque la flexion de la (des) protubérance(s) radialement vers l'intérieur, avec décrochage de l'élément tubulaire qui peut être extrait par le haut, et remplacé par une rechange.According to a variant of rechargeable device, the bottom of the base is slidably mounted in this base, but linked in rotation to said base, elastic means being provided between the bottom and the part bottom of the tubular element, the bottom being provided with a skirt cylindrical, the internal upper edge of which has a frustoconical shape conjugate of the frustoconical surface of a protuberance (s) elastic (s) for attachment, provided on the tubular element, the assembly being such that in normal position, the upper edge of the bottom exerts a braking action on the protuberance and the tubular element, while by axial depression of the bottom, the bending is caused protrusion (s) radially inward, with detachment of the tubular element which can be extracted from above, and replaced by a spare.
L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'exemples de réalisation décrits avec référence aux dessins ci-annexés, mais qui ne sont nullement limitatifs.The invention consists, apart from the arrangements set out above, in a number of other provisions which it will be more Explicit question below about examples of realizations described with reference to the accompanying drawings, but which are not in no way limiting.
La figure 1, de ces dessins, est une coupe axiale verticale d'un
dispositif selon l'invention pour appliquer un rouge à lèvres en forme
de bâton.
En se reportant à la figure 1 des dessins, on peut voir un dispositif D pour appliquer un produit pâteux,constitué par du rouge à lèvres présenté sous forme de bâton B.Referring to Figure 1 of the drawings, one can see a device D for applying a pasty product, consisting of red to lips presented in the form of stick B.
Le dispositif D comprend un élément tubulaire 1 à glissière 2
constituée par une fente longitudinale s'étendant de bas en haut suivant
la direction des génératrices de l'élément 1. De préférence, deux
glissières 2 diamétralement opposées sont prévues.The device D comprises a tubular element 1 with
Une cupule 3 est montée coulissante à l'intérieur de l'élément
tubulaire. Le bâton B de rouge à lèvres est reçu et maintenu serré dans
la cupule 3. Cette cupule, de forme cylindrique, comporte deux ergots
4 diamétralement opposés, faisant saillie radialement vers l'extérieur.
Les ergots 4 sont engagés dans les glissières 2 et traversent ces
glissières en débordant sur la surface extérieure de l'élément
tubulaire 1.A cup 3 is slidably mounted inside the element
tubular. Lipstick stick B is received and held tight in
the cup 3. This cup, of cylindrical shape, has two pins
4 diametrically opposite, projecting radially outwards.
The pins 4 are engaged in the
Au moins une glissière 2 débouche en partie haute. Les glissières
2 s'arrêtent en partie basse à une extrémité 5 au-dessous de laquelle
l'élément tubulaire 1 se prolonge par une base 6 cylindrique elle-même
fermée, à son extrémité inférieure, par un fond transversal 7 qui donne
une bonne rigidité à la base 6. La hauteur de la base 6 est suffisante
pour loger la cupule 3 en position basse lorsque les ergots 4 sont en
appui contre les extrémités 5 des glissières 2.At least one
La base 6 est munie sur sa périphérie, en partie basse, de disques
superposés 8 concentriques, formant des godrons, d'un diamètre
extérieur suffisant pour assurer un bon accrochage de la base 6 dans
une embase extérieure 9, par exemple de forme prismatique à section
carrée. L'embase 9 est coiffée d'un capuchon 10 amovible qui permet
de fermer le dispositif en position de stockage. Pour l'utilisation et
l'application de rouge à lèvres, le capuchon 10 est retiré de l'embase.
La fixation de la base 6 peut être renforcée par un collage du fond
fermé 7 contre le fond de l'embase 9.The
La solidarisation de l'embase 9 avec la base 6 pourrait être
réalisée en utilisant un lest et une chemise de serrage, comme décrit
dans FR-A-2 588 167.The connection of the
Une enveloppe cylindrique 11 en matière plastique, d'épaisseur
réduite, est emmanchée sur l'élément tubulaire 1. L'enveloppe 11 est
retenue axialement, en partie haute, par un rebord 12 du capuchon 1
qui est franchi, lors de l'engagement de l'enveloppe 11 sur l'élément 1
par déformation de cet élément 1 provoquant une réduction de son
diamètre. Cette déformation est permise, notamment, par le fait qu'au
moins une glissière 2 débouche en partie haute et découpe le rebord 12. A cylindrical
L'enveloppe 11 comporte sur sa paroi interne deux rainures en
hélice 13 décalées de 180°, dans lesquelles sont engagées les extrémités
extérieures des ergots 4. Les rainures 13 débouchent en partie basse
11a de l'enveloppe 11 pour permettre, notamment, l'engagement des
ergots 4. Une chemise extérieure 14, généralement métallique, entoure
l'enveloppe 11 et en est solidaire. La chemise extérieure 14 s'étend
vers le bas, dans le sens longitudinal, au moins jusqu'au voisinage du
niveau 11a où débouchent les rainures 13, c'est-à-dire à un niveau
inférieur à celui des ergots 4 lorsque la cupule 3 est dans la position la
plus basse possible, illustrée sur la figure 1.The
Des moyens de frottement souple F sont prévus entre l'enveloppe
11 et la base 6 de l'élément tubulaire 1.Flexible friction means F are provided between the
Dans l'exemple de la figure 1, ces moyens de frottement souple
F comprennent des languettes flexibles 15 prévues en partie basse de
l'enveloppe 11, ces languettes, de forme rectangulaire, étant limitées
par des fentes longitudinales 16 parallèles (figure 2). Le cas échéant,
une seule languette 15 pourrait être prévue, mais de préférence, on
prévoit plusieurs languettes 15 régulièrement réparties. Les languettes
15 sont situées, dans le sens longitudinal, au-delà de l'extrémité
inférieure de la chemise métallique extérieure 14, comme visible sur
les figures 1 et 2. Les languettes 15 sont déportées radialement vers
l'extérieur par rapport à l'enveloppe 11 de sorte qu'un épaulement
annulaire 17 est formé à la racine des languettes 15, sur la surface
extérieure de l'enveloppe 11. La chemise extérieure 14 vient en butée
axiale contre cet épaulement 17. La surface extérieure des languettes
15 est sensiblement dans le prolongement de la surface extérieure de la
chemise 14.In the example of FIG. 1, these flexible friction means
F include
La hauteur des languettes 15 (c'est-à-dire leur dimension suivant une direction parallèle à l'axe de l'enveloppe 11) est avantageusement comprise entre 2 mm et 20 mm.The height of the tongues 15 (i.e. their next dimension a direction parallel to the axis of the envelope 11) is advantageously between 2 mm and 20 mm.
La surface interne 18 des languettes 15 à l'état de repos, est
avantageusement située sur la même surface cylindrique que le fond 19
des rainures 13.The
Les moyens de frottement F comprennent, du côté de la base 6,
une surface tronconique 20 convexe , tournée vers l'extérieur, dont la
grande base est située vers le bas. Cette surface tronconique se trouve à
un niveau inférieur à celui de l'extrémité inférieure de la chemise 14.
L'extrémité inférieure des languettes 15 s'appuie élastiquement, de
l'extérieur sur la surface 20, sensiblement à mi-hauteur. La surface
interne de l'embase extérieure 9 est écartée de la surface extérieure de
la chemise 14 d'une distance j suffisante pour permettre la libre
déformation élastique des languettes 15 vers l'extérieur.The friction means F comprise, on the side of the
Les dimensions des différentes pièces sont prévues pour, qu'au
montage, les languettes 15 exercent une pression radiale sur la surface
20 alors que l'extrémité supérieure de l'enveloppe 11 est en appui
contre le rebord 12. L'action de serrage élastique des languettes 15
combinée avec la surface d'appui 20, inclinée sur l'axe de l'élément 1
assure un auto-centrage de l'enveloppe 11 relativement à l'élément
tubulaire 1 et un rattrapage de jeu longitudinal avec la mise en butée
de l'extrémité supérieure de l'enveloppe 11 contre le rebord 12. Il en
résulte un effet anti-vibration des pièces entre elles, et une protection
du bâton B de produit cosmétique contre les chocs et secousses.The dimensions of the different rooms are designed so that
mounting, the
L'action de serrage peut correspondre à une variation de
0,02 mm à 1,5 mm du diamètre du contour circulaire enveloppant les
languettes 15 au repos, à leurs extrémités libres.The tightening action can correspond to a variation of
0.02 mm to 1.5 mm of the diameter of the circular contour enveloping the
Les languettes 15 comportent avantageusement un bourrelet
interne périphérique 21 à leur extrémité inférieure, ce bourrelet ayant
une section transversale arrondie pour faciliter le glissement contre la
surface 20.The
La présence des languettes 15 qui font saillie vers le bas au-delà
de l'extrémité ouverte des rainures 13 facilite le démoulage de
l'enveloppe 11. En effet, pour démouler les rainures 13 il faut donner
un mouvement hélicoïdal à un noyau de moulage (non montré) qui
comporte des nervures conjuguées des rainures 13. La présence des
languettes 15 permet de retenir en rotation l'enveloppe 11 par rapport
au noyau de moulage et d'accomplir le mouvement hélicoïdal, entre
noyau et enveloppe, destiné à dégager le noyau des rainures 13.The presence of the
Il est à noter que l'action des languettes élastiques 15 sur la
surface d'appui inclinée 20 se situe à un niveau inférieur à celui des
ergots 4 de sorte que les risques de coincement de la cupule 3, en
raison d'une déformation de la base 6 due au serrage exercé par les
languettes 15, se trouvent pratiquement supprimés. It should be noted that the action of the
Dans certains cas, les languettes 15, au lieu d'être solidaires de
l'enveloppe 11, peuvent être prévues sur une bague dont le bord
longitudinal supérieur remplacerait, par exemple, l'épaulement 17 de la
figure 1. Cette bague serait libre en rotation par rapport à l'enveloppe
11, tout en étant maintenue axialement entre l'extrémité inférieure de
l'enveloppe 11 (qui se situerait au niveau de l'épaulement 17 de la
figure 1) et la surface tronconique 20. Cette bague serait rapportée sur
l'élément tubulaire 1.In some cases, the
Le fonctionnement du dispositif D des figures 1 et 2 résulte immédiatement des explications qui précèdent.The operation of the device D of Figures 1 and 2 results immediately from the above explanations.
Pour une application de rouge à lèvres à l'aide du bâton B, il
convient tout d'abord de retirer le capuchon 10. L'utilisatrice peut alors
maintenir la chemise métallique 14 et faire tourner, relativement à cette
chemise, l'embase 9 en entraínant en rotation l'élément tubulaire 1. La
chemise 11 reste immobile avec l'enveloppe 14 et la cupule 3 monte à
l'intérieur de l'élément tubulaire du fait que ses ergots 4 se déplacent
dans les rainures en hélice 13.For a lipstick application using stick B, it
first remove the
Lors de ce mouvement de rotation entre l'élément tubulaire 1 et
l'enveloppe 11, les languettes 15 exercent constamment un appui
élastique contre la surface tronconique 20, ce qui assure un rattrapage
de jeu et un auto-centrage permanent et donne un caractère
d"'onctuosité" au mouvement de rotation, avec un effet de freinage.During this rotational movement between the tubular element 1 and
the
La figure 3 illustre une variante de réalisation dans laquelle la
surface d'appui 20a, inclinée sur l'axe, au lieu d'être tronconique, est
formée par une surface de révolution dont la méridienne est un arc de
courbe concave vers l'extérieur, par exemple un arc de cercle. La
coopération des languettes 15 avec cette surface d'appui 20a assure
également un auto-centrage et un effet anti-vibration comme dans le cas
des figures 1 et 2.3 illustrates an alternative embodiment wherein the bearing surface 20a, inclined to the axis, rather than being tapered, is formed by a surface of revolution whose meridian is a curve concave arc towards the outside, for example an arc of a circle. The cooperation of the
En se reportant aux figures 4 et 5, on peut voir une variante de
réalisation selon laquelle la surface tronconique 20b est toujours prévue
sur la base 6 de l'élément tubulaire, en partie basse. Toutefois la
surface 20b est concave, tournée vers l'intérieur, et son extrémité de
grand diamètre est située vers le haut alors que sa petite base est située
à un niveau inférieur. Referring to Figures 4 and 5, we can see a variant of
embodiment according to which the
Les éléments semblables ou jouant des rôles analogues à des éléments des figures 1 et 2 sont désignés par les mêmes références numériques suivies de la lettre b sans que leur description soit reprise.Elements similar or playing roles analogous to elements of Figures 1 and 2 are designated by the same reference numerals followed by the letter b without their description being repeated.
La petite base de la surface 20b est située à la partie inférieure de
cette surface, à son raccordement avec la surface cylindrique de
l'élément tubulaire 1b. La surface tronconique 20b s'évase de bas en
haut et définit, avec la paroi cylindrique voisine externe de l'élément
tubulaire 1b, un espace annulaire à section transversale en forme de
dièdre dont le sommet est tourné vers le bas.The small base of the
Les languettes 15b sont prévues en partie basse de l'enveloppe
tubulaire 11b dans des conditions semblables à celles décrites à propos
des figures 1 et 2. L'extrémité inférieure des languettes 15b vient en
appui contre la surface 20b et les languettes 15b sont déformées
élastiquement vers l'intérieur, dans le sens radial. L'action des
languettes 15b sur la surface d'appui inclinée 20b assure un auto-centrage
et un effet anti-vibration semblable à celui décrit à propos des
figures 1 et 2.The tongues 15 b are provided in the lower part of the tubular casing 11 b under conditions similar to those described in connection with FIGS. 1 and 2. The lower end of the tongues 15 b comes to bear against the
De préférence, les languettes 15b ont une épaisseur variable qui
diminue en partie basse de sorte que l'extrémité inférieure 22 des
languettes 15b est amincie et présente une face externe inclinée par
rapport à l'axe de l'enveloppe 11b pour mieux glisser sur la surface
20b.Preferably, the tongues 15 b have a variable thickness which decreases at the bottom so that the
Les figures 6 et 7 illustrent une autre possibilité de réalisation qui
constitue, en quelque sorte, l'inverse de la réalisation des figures 4 et 5
en ce sens que les languettes 15c dans le cas des figures 6 et 7, sont
solidaires de l'élément tubulaire 1c et sont orientées de bas en haut,
tandis que la surface tronconique 20c est prévue en partie basse de la
chemise 11c. Les éléments semblables à des éléments déjà décrits à
propos des figures précédentes portent les mêmes références
numériques suivies de la lettre c, sans que leur description soit reprise.Figures 6 and 7 illustrate another possible embodiment which constitutes, in a way, the reverse of the embodiment of Figures 4 and 5 in the sense that the
Comme dans les exemples de réalisation précédents, les moyens
de frottement souple F, formés par la surface tronconique 20c et les
languettes 15c sont situés, dans le sens axial, au-delà de l'extrémité
inférieure de la chemise extérieure métallique 14c. La grande base de
la surface tronconique 20c a sensiblement le même diamètre que la
surface cylindrique extérieure de la chemise 14c tandis que la surface
cylindrique interne de l'enveloppe 11c, au niveau de la surface
tronconique 20c, a un diamètre égal à celui du fond 19c des rainures en
hélice. La surface tronconique 20c diminue de diamètre de haut en bas.As in the previous embodiments, the flexible friction means F, formed by the
Les languettes 15c sont distantes de la surface cylindrique
extérieure de l'élément tubulaire 1c, et sont solidaires, à leurs racines,
d'un cordon annulaire 23 formant partie intégrante de cet élément
tubulaire 1c. La partie supérieure 24 de la face interne des languettes
15c est, de préférence, inclinée par rapport à l'axe de l'élément
tubulaire 1c de sorte que l'épaisseur radiale des languettes 15c diminue
progressivement de bas en haut. Cette face inclinée 24 coopère avec la
surface tronconique 20c et assure l'auto-centrage et l'effet anti-vibration
décrits à propos des figures précédentes.The
La figure 8 illustre une variante de réalisation des figures 6 et 7.
Les éléments semblables sont désignés par les mêmes références
numériques, suivies de la lettre d. Les languettes 15d, selon la figure 8,
sont prévues, comme dans le cas des figures 6 et 7, en partie basse de
l'élément tubulaire 1d elles font saillie vers le haut à partir du cordon
annulaire 23. Les languettes 15d sont suffisamment distantes de la
surface extérieure de l'élément tubulaire 1d pour pouvoir se déformer
élastiquement radialement vers l'intérieur.Figure 8 illustrates an alternative embodiment of Figures 6 and 7. Similar elements are designated by the same reference numerals, followed by the letter d . The
La surface tronconique 20d, prévue en partie basse de la chemise
11d est concave, tournée vers l'intérieur et s'évase de haut en bas.
Cette surface 20d est prévue du côté interne de la chemise 11d.The
L'extrémité supérieure des languettes 15d est effilée et présente
une surface externe inclinée par rapport à l'axe de l'élément tubulaire
1d. Les extrémités supérieures des languettes 15d sont situées
radialement à l'intérieur de la surface 20d.The upper end of the
Les languettes 15d, sollicitées radialement vers l'intérieur,
exercent un effort élastique sur la surface tronconique 20d présentant
une composante radiale et une composante axiale comme dans les
exemples précédents, qui assurent un auto-centrage et un effet d'anti-vibration.The
Les figures 9 et 10 illustrent une variante de réalisation dans laquelle les éléments semblables à des éléments déjà décrits sont désignés par des références numériques ayant mêmes chiffres des unités et des dizaines, précédés du chiffre 1 des centaines. Il en sera de même pour les variantes des figures suivantes où le chiffre des centaines sera seul modifié.Figures 9 and 10 illustrate an alternative embodiment in which elements similar to elements already described are designated by numerical references having same digits units and tens, preceded by the number 1 hundreds. So will even for the variants of the following figures where the figure of hundreds will be changed alone.
La surface tronconique 120, prévue en partie basse de l'élément
tubulaire 101, d'une manière semblable à la figure 1, constitue une
partie d'une gorge annulaire 25 à section transversale en V, s'étendant
autour de l'élément tubulaire 101. La surface tronconique 120 constitue
la partie inférieure de la gorge 25 et diminue de diamètre de bas en
haut pour rejoindre le fond de la gorge 25. Une autre surface
tronconique 26, augmentant de diamètre de bas en haut, constitue la
partie supérieure de la gorge 25.The
Comme visible sur la figure 10, l'extrémité des languettes 115
prévues en partie basse de l'enveloppe 111, est munie d'un bec arrondi
27 faisant saillie radialement vers l'intérieur, propre à coopérer avec
les deux surfaces 120 et 26.As visible in FIG. 10, the end of the
Les moyens de frottement souple F des figures 9 et 10, constitués
par les languettes 115 et par la gorge 25 avec ses surfaces 120, 26,
assurent non seulement l'auto-centrage et l'effet anti-vibration décrits à
propos des figures précédentes, mais également le maintien suivant la
direction longitudinale de l'enveloppe 111 relativement à l'élément
tubulaire 101.The flexible friction means F of FIGS. 9 and 10, constituted
by the
Il est clair que la section méridienne (c'est-à-dire la section par
un plan passant par l'axe de l'élément tubulaire 101) de la gorge 25
pourrait être limitée non par des segments rectilignes comme
représenté, mais par des arcs de courbe concaves ou convexes.It is clear that the meridian section (i.e. the section by
a plane passing through the axis of the tubular element 101) of the
Les figures 11 et 12 illustrent une variante de réalisation des
figures 9 et 10, variante selon laquelle la gorge 25 est remplacée par
une nervure périphérique 225 à section méridienne en arc de courbe
convexe, ceinturant la partie basse extérieure de l'élément tubulaire
201.Figures 11 and 12 illustrate an alternative embodiment of the
Figures 9 and 10, variant according to which the
Les languettes 215, prévues en partie basse de l'enveloppe
cylindrique 211, sont munies, sur leur surface interne, d'un évidement
28 ayant une section transversale conjuguée de la nervure périphérique
225 de manière à assurer l'auto-centrage et le maintien longitudinal de
l'enveloppe 211 relativement à l'élément tubulaire 201.
La figure 13 illustre une variante de réalisation selon laquelle la
base de l'élément tubulaire 301 comporte des moyens de butée axiale S
propres à coopérer avec l'extrémité inférieure de languettes 315a
prévues en partie basse de l'enveloppe cylindrique 311, de manière à
limiter l'engagement axial de l'élément tubulaire 301 dans ladite
enveloppe 311.FIG. 13 illustrates an alternative embodiment according to which the base of the
Les moyens de butée S sont avantageusement constitués par un
épaulement annulaire 29, situé radialement à l'extérieur de la surface
tronconique 320. L'épaulement 29 est situé dans un plan orthogonal à
l'axe de l'élément tubulaire 301.The stop means S are advantageously constituted by a
Deux groupes de languettes 315, 315a alternées, sont prévus en
partie basse de l'enveloppe 311 comme illustré sur la figure 14. Les
languettes 315 du premier groupe, appartenant au moyens de frottement
souple F, sont destinées à s'appuyer par leurs extrémités inférieures
contre la surface tronconique 320 pour assurer l'auto-centrage et le
freinage. La face interne des languettes 315 est sensiblement parallèle à
l'axe de l'enveloppe cylindrique et dans le prolongement de la surface
sur laquelle sont situés les fonds 319 des rainures. La face externe des
languettes 315 est inclinée par rapport à l'axe de l'enveloppe 311 et se
rapproche progressivement de cet axe de haut en bas.Two
Les languettes 315a du deuxième groupe, ont un profil différent
de celui des languettes 315, et une hauteur supérieure à celle de ces
mêmes languettes 315. La face externe des languettes 315a est
sensiblement parallèle à l'axe de l'enveloppe 311 tandis que la face
interne est inclinée par rapport à cet axe de manière à s'en écarter
progressivement de haut en bas. De ce fait, les languettes 315a ne
peuvent pas coopérer avec la surface 320, et interviennent uniquement
pour limiter l'enfoncement de l'enveloppe 311 sur l'élément tubulaire
301, en venant buter par leur extrémité inférieure contre
l'épaulement 29.The
Comme illustré sur la figure 15, les languettes 415 peuvent avoir
des formes diverses, en particulier des bords qui ne sont pas parallèles
ni rectilignes. Ces formes différentes, en particulier incurvées, sont
également possibles pour les profils en long des languettes.As illustrated in FIG. 15, the
La figure 16 illustre un moyen d'accrochage entre la base 506 de
l'élément tubulaire 501 et l'embase extérieure 509.FIG. 16 illustrates a means of attachment between the base 506 of
the
Ce moyen d'accrochage comprend au moins une protubérance
élastique 30 formant cran d'accrochage, propre à faire saillie
radialement sur la surface latérale externe de la base 506 de l'élément
tubulaire 501. Généralement, plusieurs protubérances 30 sont réparties
régulièrement sur la périphérie de la base.This attachment means comprises at least one protuberance
elastic 30 forming hooking notch, suitable for projecting
radially on the external lateral surface of the
L'embase 509, destinée à recevoir la partie inférieure de
l'élément tubulaire 501, comporte un moyen conjugué constitué par un
évidement 31 prévu sur la face interne de l'élément 501. Le bord
supérieur 31a de l'évidement 31 est situé dans un plan orthogonal à
l'axe de l'embase 509 de manière à constituer une surface d'arrêt pour
le bord supérieur 30a de la protubérance 30, également situé dans un
plan orthogonal à l'axe de l'élément 501. L'évidement 31 est réalisé
lors du moulage de l'embase 509 et une ouverture 32 subsiste dans le
fond de l'embase 509, qui correspond au passage nécessaire
pour retirer, après moulage, un tiroir qui a permis de réaliser
l'évidement 31.The
L'accrochage de l'élément tubulaire 501 dans l'embase 509
s'effectue automatiquement en fin d'enfoncement de l'élément tubulaire
501. Les protubérances élastiques 30 qui, lors de l'enfoncement, sont
effacées radialement vers l'intérieur par la paroi interne de l'embase
509, reviennent à la position illustrée sur la figure 16 lorsqu'elles
arrivent au niveau de l'évidement 31. Le bec de la protubérance 30 fait
alors saillie sous le bord supérieur transversal 31a de l'évidement 31,
ce qui assure l'accrochage de l'élément tubulaire 501 dans
l'embase 509.The
Les figures 17 à 19 illustrent une caractéristique de l'invention qui peut être utilisée indépendamment ou en combinaison avec les caractéristiques évoquées précédemment.Figures 17 to 19 illustrate a feature of the invention which can be used independently or in combination with characteristics mentioned previously.
L'élément tubulaire 601 à glissière 602, du dispositif pour
appliquer un produit cosmétique tel que du rouge à lèvres, comporte au
moins une bande 33 relativement élastique limitée par deux fentes
longitudinales 34, 35 sensiblement parallèles à l'axe de l'élément
tubulaire. La bande 33 est attenante à ses extrémités 36, 37 de faible
largeur à l'élément tubulaire 601. De préférence, deux bandes 33
diamétralement opposées sont prévues dans l'élément tubulaire 601
décalées de 90° par rapport aux deux glissières 602.The
Avantageusement, les fentes longitudinales 34, 35 comportent, en
partie haute et basse, un segment périphérique, à angle droit, formant
des retours 34a, 34b, ou 35a, 35b. Les retours extrêmes d'une même
fente sont orientés en sens inverse.Advantageously, the
Le profil longitudinal interne 38 (voir figure 18) de la bande 33
présente, de préférence, une convexité vers l'intérieur de manière à
exercer un serrage radial sur la cupule 603.The internal longitudinal profile 38 (see FIG. 18) of the
Cette cupule 603 comporte au moins une protubérance extérieure
39 en saillie radiale propre à s'appuyer contre la surface interne d'une
bande 33. Dans l'exemple considéré, deux protubérances 39
diamétralement opposées, décalées de 90° par rapport aux ergots 604,
sont prévues sur la surface extérieure de la cupule 603.
Avantageusement, les protubérances 39 sont constituées par des
nervures s'étendant suivant la direction d'une génératrice de la cupule
603, sur toute sa hauteur (voir figures 18 et 19). La cupule 603 est
ainsi soumise à un effort élastique dans le sens radial, ce qui permet de
rattraper le jeu transversal et de maintenir un contact entre la cupule
603 et la surface interne de l'élément tubulaire 601, avec suppression
des vibrations.This
La bande 33 assure un appui élastique homogène sur la cupule,
quelle que soit sa position dans l'élément tubulaire 601.The
En variante, comme représenté sur la figure 19a, la protubérance
39a peut être prévue sur la face interne de la bande 33 et se présenter
comme bourrelet longitudinal sur toute la longueur de la bande 33, en
particulier à mi-largeur.Alternatively, as shown in Figure 19a, the protrusion
39a can be provided on the internal face of the
On retrouve en partie basse de l'élément tubulaire 601 une
surface tronconique 620 appartenant aux moyens de frottement souple
qui peuvent comporter, du côté de l'enveloppe cylindrique (non
représentée), des languettes s'épanouissant vers le bas selon une forme
tronconique sensiblement complémentaire de celle de la surface 620.We find in the lower part of the tubular element 601 a
En se reportant à la figure 20, on peut voir une variante de
réalisation pour la fixation de la base 706 de l'élément tubulaire 701.
Cette base 706 comporte un trou central 40 dans une paroi de fond
épaisse, ou une cheminée, propre à s'emmancher avec serrage sur un
téton 41, en particulier de forme tronconique, prévu en saillie au centre
du fond de l'embase 709. La présence des disques 8 de la figure 1 n'est
plus nécessaire. Le téton 41 est traversé par un passage axial. Referring to Figure 20, we can see a variant of
embodiment for fixing the
En variante, comme illustré sur les figures 21 et 22, la base 806
comporte un trou central 840 et des fentes radiales en étoile 42,
rayonnant à partir du trou 840. Les fentes 42 déterminent des secteurs
élastiquement déformables 43.As a variant, as illustrated in FIGS. 21 and 22, the
L'embase 809 comporte un téton central tronconique 841 muni
de crans 44 en saillie sur sa surface, sur lesquels viennent s'accrocher
les extrémités internes 45 des secteurs 43 du fond de la base 806.The
Dans la variante des figures 23 et 24, les fentes radiales en étoile
942 se prolongent sur la zone inférieure 46 de la paroi cylindrique de la
base 906, par des parties 47 rectilignes. Cette zone inférieure 46 va
présenter une certaine élasticité dans le sens radial et se déformer en
augmentant de diamètre comme illustré sur la figure 24, lors de
l'engagement du téton 941 dans le trou 940. Une couronne de pattes
48, en saillie sur le fond de l'embase 909, est avantageusement prévue
pour assurer un encliquetage du bord inférieur déformé de la base 906
et compléter la fixation assurée par le téton 941.In the variant of FIGS. 23 and 24, the radial star slits
942 extend over the
Il est à noter que l'embase 9-909 des exemples considérés peut être une embase d'habillage (décorative), ou un moyen de lestage qui est, lui-même, entouré d'un habillage décoratif.It should be noted that the base 9-909 of the examples considered can be a dressing base (decorative), or a ballast that is itself surrounded by a decorative covering.
La figure 25 montre une variante de réalisation de la figure 1 permettant de retirer un élément tubulaire 1 dont le bâton B est usé, pour le remplacer par une recharge neuve. Les parties identiques ou jouant des rôles analogues à celles déjà décrites à propos de la figure 1 seront désignées par les mêmes références, éventuellement suivies d'une apostrophe " ' ", sans que leur description soit reprise.Figure 25 shows an alternative embodiment of Figure 1 allowing a tubular element 1 to be removed, the stick B of which is worn, to replace it with a new refill. Identical parts or playing roles similar to those already described in connection with Figure 1 will be designated by the same references, possibly followed an apostrophe "'", without their description being repeated.
L'embase 9' est constituée par une chemise en métal servant
d'enjoliveur. Le diamètre interne de l'embase 9', sur la majeure partie
de la hauteur, est nettement supérieur au diamètre extérieur de la
chemise 14. L'embase 9' présente, à son extrémité supérieure, un col
49 de diamètre extérieur réduit et dont le diamètre intérieur est égal, au
jeu de fonctionnement près, au diamètre extérieur de la chemise 14.
Les disques superposés 8 ont un diamètre suffisant pour prendre appui
contre la surface intérieure de la partie de grand diamètre de l'embase
9', de sorte que les disques 8 ne peuvent traverser le col 49.The base 9 'is constituted by a metal jacket serving
hubcap. The internal diameter of the base 9 ', over most of it
in height, is significantly greater than the outside diameter of the
L'embase 9' comporte un fond amovible 50, constitué par un
disque muni, sur sa périphérie, de moyens d'encliquetage 51 propres à
coopérer avec des moyens conjugués 52, par exemple une nervure
circulaire, prévus sur la paroi interne de l'embase 9'.The base 9 'has a removable bottom 50, constituted by a
disc provided, on its periphery, latching means 51 suitable for
cooperate with combined
Lorsque le bâton de rouge à lèvres de l'élément 1 est usé, l'utilisatrice peut dégager le fond 50, de l'embase 9', et sortir l'élément usé par coulissement vers le bas. Une recharge est ensuite mise en place, par coulissement de bas en haut ; le fond 50 est ensuité fixé, par encliquetage, dans l'embase 9'.When the element 1 lipstick stick is worn out, the user can release the bottom 50, from the base 9 ', and remove the element worn by sliding down. A refill is then put in place, by sliding from bottom to top; the bottom 50 is then fixed, by latching, in the base 9 '.
La figure 26 illustre une variante de réalisation du dispositif de la figure 16, variante permettant la recharge du dispositif avec un élément muni d'un bâton neuf de rouge à lèvres.FIG. 26 illustrates an alternative embodiment of the device of the Figure 16, variant allowing recharging of the device with an element fitted with a new stick of lipstick.
L'embase 509' comporte un fond 53, distinct, constitué par un
disque dont le bord périphérique circulaire est muni d'une jupe
cylindrique 54, engagé à frottement doux dans l'embase 509'. Le fond
53 est retenu dans l'embase 509' par un bourrelet intérieur 55, de cette
embase, reçu dans une gorge annulaire 56 prévue à la partie inférieure
périphérique du fond 53.The base 509 ′ has a separate bottom 53, constituted by a
disc whose circular peripheral edge is provided with a skirt
cylindrical 54, engaged with gentle friction in the base 509 '. The bottom
53 is retained in the base 509 'by an
Le fond 53 comporte au moins une patte-ressort 57, venue de
moulage avec le fond, et prenant appui contre la partie inférieure de
l'élément tubulaire 501, éventuellement par l'intermédiaire d'une
plaque 58. De préférence, plusieurs pattes-ressorts 57, régulièrement
réparties sont prévues dans le fond 53. Chaque patte 57 travaille en
flexion et a tendance à se relever élastiquement en repoussant la plaque
58 et l'élément 501.The bottom 53 includes at least one
Le bord supérieur interne de la jupe 54 est agencé sous forme
d'une surface tronconique 59 dont la grande base est tournée vers le
haut. La surface 59 est prévue pour frotter contre la surface
tronconique externe des protubérances 30, lorsque le fond 53 est en
place, retenu axialement par le bourrelet 55. Le fond 53 est immobilisé
en rotation vis-à-vis de l'embase 509', par exemple par une série de
nervures et cannelures conjuguées, parallèles à l'axe de l'embase,
prévues respectivement sur la surface cylindrique extérieure de la jupe
54 et la surface cylindrique intérieure adjacente de l'embase 509'. La
surface tronconique 59, en frottant contre les protubérances, exerce un
freinage en rotation entre l'élément 501 et le fond 53 lié en rotation à
l'embase 509'. The internal upper edge of the
Le fond 53 peut coulisser légèrement, vers l'intérieur de
l'embase 509', sous l'effet d'une poussée de l'utilisatrice, à l'encontre
de l'effort exercé par la (les) patte(s) 57. Ce coulissement provoque une
flexion radiale vers l'intérieur des protubérances 30, par suite de la
coopération des surfaces tronconiques. La surface d'arrêt 30a de
chaque protubérance se trouve ainsi dégagée du bord supérieur 31a.
L'élément 501, dont le bâton de rouge à lèvres est usé, peut être
dégagé vers le haut, et être remplacé par une recharge pleine introduite
de haut en bas, jusqu'à l'accrochage des protubérances 30 sous le
bord 31a.The bottom 53 can slide slightly towards the inside of
the base 509 ', under the effect of a push from the user, against
of the force exerted by the lug (s) 57. This sliding causes a
radial inward bending of the
Quel que soit le mode de réalisation, la matière utilisée pour l'enveloppe cylindrique telle que 11, comportant la ou les rainures en hélice, est choisie parmi le groupe des polystyrènes, des polyoléfines, des polyacétals, des dérivés du polytétrafluoréthylène, des polyesters.Whatever the embodiment, the material used for the cylindrical envelope such as 11, comprising the groove or grooves in helix, is chosen from the group of polystyrenes, polyolefins, polyacetals, derivatives of polytetrafluoroethylene, polyesters.
La matière moulée de l'embase 9, 109 est choisie, de préférence,
parmi le groupe des polyoléfines, des polystyrènes, des acétates et
propionates de cellulose, des polymères vinyliques, des polyacétals, des
dérivés du polytétrafluoréthylène.The molded material of the
La matière utilisée pour le moulage de l'embase et de l'élément
tubulaire d'une part et/ou de l'enveloppe cylindrique 11 d'autre part
comporte, de préférence, de 0,2 à 20 % d'agent glissant tel que du
nitrure de bore, du bi-sulfure de molybdène, du graphite ou des
silicones.The material used for molding the base and the element
tubular on the one hand and / or the
Claims (30)
- Device for applying a pasty product, presented in the form of a stick, comprising:a tubular element (1) with a slideway (2) in which is mounted so that it can slide a cup (3) intended to receive the stick of product and including at least one stub (4) engaged in a slideway (2);a cylindrical casing (11) in the wall of which there is provided at least one helical slot, this casing (11) being fitted tightly onto the tubular element (1) and being held on the latter by axial abutment means, the stub of the cup being engaged in a helical slot (13) of the casing (11);and an outer sleeve (14-14d; 114-314) in which the casing is immobilized, while the tubular element can turn relative to the said casing and sleeve,
characterized in that the flexible rubbing means (F) consisting of the tongue or tongues (15-15d; 115-315) and the inclined bearing surface (20-20d; 120-320) are situated, in the axial direction, beyond the lower end of the outer sleeve (14-14d, 114-314). - Device according to Claim 1, characterized in that the rubbing surface (20) is frustoconical.
- Device according to Claim 1, characterized in that the rubbing surface (20a) is formed of a surface which is outwardly concave.
- Device according to Claim 1, characterized in that at least two diametrically opposed elastic tongues (15-15d; 115-315) are designed to interact with the inclined bearing surface (20-20d; 120-320).
- Device according to one of Claims 1 or 4, characterized in that the inclined bearing surface is a frustoconical surface or equivalent (20, 20a, 20b, 220, 225, 320) provided on the base (6, 6b, 206, 306) of the tubular element, while the tongue or tongues (15, 15b, 215, 315) are provided on the cylindrical casing.
- Device according to Claim 5, characterized in that the frustoconical surface (20, 120, 320) points such that its large diameter is situated at the bottom, the tongue or tongues (15, 115, 315) being provided at the bottom of the casing (11, 111, 311) and being radially offset outwards relative to the casing so that an annular shoulder (17, 117, 317) is formed at the root of the tongues, on the outer surface of the casing, this shoulder constituting an axial abutment for the outer sleeve (14, 114, 314).
- Device according to Claim 5, characterized in that the frustoconical surface (20b) provided on the base (6b) points so as to have its large diameter at the top, this surface (20b) being concave, while the tongue or tongues (15b) provided at the bottom of the casing (11b) are urged radially inwards by the said frustoconical surface (20b).
- Device according to one of Claims 5 to 7, characterized in that the internal face (18) of the tongues (15, 15b, 115, 315) provided at the bottom of the cylindrical casing is situated substantially on the same cylindrical surface as the bottom (19, 119, 319) of the helical slot (13, 113, 313).
- Device according to Claim 1, 2 or 4, characterized in that the inclined bearing surface is a frustoconical surface (20c, 20d) provided at the bottom of the casing (11c, 11d) equipped with the helical slot, while the tongues (15c, 15d) are provided on the base (6c, 6d) of the tubular element and point upwards so as to interact outwards or inwards with the abovementioned frustoconical surface (20c, 20d).
- Device according to Claim 1, 2 or 4, characterized in that the inclined bearing surface (120, 220) constitutes part of a groove (25) or of a rib (225) with a transverse section in the form of a V or of an arc of a curve, with which a part (27, 28) of conjugate shape of the or of each tongue (115, 215) interacts.
- Device according to Claim 1, 2 or 4, characterized in that the tongues (15b, 15c, 15d, 315) have a radial thickness which varies in the axial direction, this thickness diminishing in the direction of the free end of the tongue.
- Device according to Claim 1, 2 or 4, characterized in that the tongues (415) have a curved shape, both as regards their contour and their profile lengthways in a plane passing through the axis of the device.
- Device according to one of Claims 1 to 12, characterized in that the tongues include, at their ends, means making it possible to improve sliding and to diminish friction, particularly beads (21, 27) or recesses (28).
- Device according to one of Claims 1 to 13, characterized in that the tubular element with a slideway (601) includes at least one relatively elastic strip (33), bounded by two longitudinal slits (34, 35) which are substantially parallel to the axis of the tubular element, this strip (33) being attached at its narrow ends (36, 37) to the tubular element (601), while the cup (603) and/or the strip (33) includes at least one radially-projecting external and/or internal protuberance (39), designed to boar against the surface of the component with which it interacts, the strip (33) exerting an elastic force on the said cup (603) so as to take up the transverse play and maintain contact between the cup (603) and a part of the internal surface of the tubular element (601).
- Device according to Claim 14, characterized in that the longitudinal profile (38) of the internal surface of the strip (33) is inwardly convex.
- Device according to one of Claims 1 to 5, characterized in that the tubular element (1) with a slideway includes a closed bottom (7) designed to reinforce its rigidity and facilitate its fastening, particularly by bonding, to a base piece (9).
- Device according to one of Claims 1 to 16, characterized in that the base (6) of the tubular element includes, underneath the flexible rubbing means, radially projecting annular discs (8) designed to fasten the tubular element into a base piece (9).
- Device according to one of Claims 1 to 17, characterized in that the base (506) of the tubular element (501) includes at least one elastic protuberance (30) designed to project radially on its external lateral surface and capable of being deformed elastically inwards, while a base piece (509) intended to cover over the lower part of the tubular element includes conjugate fastening means, particularly a recess (31) provided on the internal surface of the base piece and into which the corresponding elastic protuberance (30) can snap-fasten.
- Device according to one of Claims 1 to 17, characterized in that the base (706) of the tubular element (701) includes a central hole (40) designed to fit tightly, with clamping, over a pip (41) projecting from the bottom of the base piece (709).
- Device according to one of Claims 1 to 17, characterized in that the base (806, 906) includes a central hole (840, 940) and star-like radial slits (42, 942) radiating from this hole, and defining deforaable sectors (43, 943), while the base piece (809, 909) includes a pip (841, 941) onto which the internal ends (45, 945) of the sectors (43, 943) of the bottom of the base (806, 906) fasten.
- Device according to one of Claims 1 to 20, characterized in that the base (306) of the tubular element includes axial abutment means (29) on its outer surface, situated radially outwards relative to the rubbing means (F), these axial abutment means (29) being designed to interact with the lower end of tongues (315a) provided at the bottom of the cylindrical casing (311) so as to limit the axial engagement of the tubular element (301) into the said cylindrical casing.
- Device according to Claim 21, characterized in that the tongues (315, 315a) consist of two groups having different heights and profiles, the tongues (315) of one group belonging to the rubbing means and being intended to bear, via their ends, on the said inclined bearing surface (320), while the tongues (315a) of the second group are situated radially outside the bearing surface (320) so that they can interact solely with the axial abutment means (29) of the base, the tongues (315a) of this second group having a greater height than that of the first group (315).
- Device according to Claim 22, characterized in that the internal face of the tongues of the second group (315a) progressively moves away from the axis of the cylindrical casing (311) from top to bottom, while the external face is substantially parallel to this axis, while the tongues (315) of the first group have a different shape with their internal face substantially parallel to the axis and their external face progressively nearing the axis from top to bottom.
- Device according to Claim 1, characterized in that the maximum outer diameter of all these rubbing means (F) is substantially equal to the outer diameter of the said sleeve (14-14d, 114-314).
- Device according to one of Claims 1 to 24, characterized in that the substance used for the cylindrical casing (11-311) including the helical slot or slots is chosen from among the group of polystyrenes, polyolefins, polyacetals, derivatives of polytetrafluoroethylene and polyesters.
- Device according to one of Claims 1 to 25, characterized in that the moulded substance of the tubular element (1-601) is chosen from among the group of polyolefins, polystyrenes, cellulose acetates and propionates, vinyl polymers, polyacetals, and derivatives of polytetrafluoroethylene.
- Device according to one of Claims 1 to 26, characterized in that the substance used for moulding the tubular element (1-601) on the one hand, and/or the cylindrical casing (11-311) equipped with the helical slot, on the other hand, includes from 0.2 to 20% of a sliding agent such as boron nitride, molybdenum disulphide, graphite or silicones.
- Device according to one of Claims 1 to 27, characterized in that the base (6) is equipped on its periphery with superimposed discs (8) of sufficient outside diameter to ensure good fastening of the base (6) into an outer base piece (9).
- Device according to Claim 28, characterized in that the bottom (50) of the outer base piece (9') is removable and that the tubular element (1) can be removed downwards, when the bottom (50) is taken off, in order to be replaced by a refill, with the bottom being put back in place.
- Device according to Claim 18, characterized in that the bottom (53) of the base piece (509') is mounted so that it can slide in this base piece, but connected in terms of rotation to the said base piece, elastic means (57) being provided between the bottom (53) and the lower part of the tubular element (501), the bottom (53) being equipped with a cylindrical skirt of which the internal upper edge has a frustoconical shape (59) conjugate to the frustoconical surface of the (some) protuberance(s) (30), the whole being such that in the normal position, the upper edge (59) of the bottom exerts a braking action on the protuberance (30) and the tubular element (501), whilst by driving the bottom (53) in axially the protuberance(s) (30) is (are) made to bend radially inwards with unfastening of the tubular element (501) which can be removed from above and replaced by a refill.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96201076A EP0729719B9 (en) | 1993-12-14 | 1994-12-06 | Device for applying a pasty product, in particular a cosmetic product such as lipstick |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314969 | 1993-12-14 | ||
FR9314969A FR2713455B1 (en) | 1993-12-14 | 1993-12-14 | Device for applying a pasty product, in particular a cosmetic product such as lipstick. |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96201076A Division EP0729719B9 (en) | 1993-12-14 | 1994-12-06 | Device for applying a pasty product, in particular a cosmetic product such as lipstick |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0658325A1 EP0658325A1 (en) | 1995-06-21 |
EP0658325B1 true EP0658325B1 (en) | 1999-04-21 |
Family
ID=9453885
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96201076A Expired - Lifetime EP0729719B9 (en) | 1993-12-14 | 1994-12-06 | Device for applying a pasty product, in particular a cosmetic product such as lipstick |
EP94402792A Expired - Lifetime EP0658325B1 (en) | 1993-12-14 | 1994-12-06 | Device for applying a pasty product, in particular a cosmetic product such as lipstick |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96201076A Expired - Lifetime EP0729719B9 (en) | 1993-12-14 | 1994-12-06 | Device for applying a pasty product, in particular a cosmetic product such as lipstick |
Country Status (7)
Country | Link |
---|---|
US (2) | US6312179B1 (en) |
EP (2) | EP0729719B9 (en) |
JP (2) | JP2783516B2 (en) |
CA (1) | CA2137957C (en) |
DE (2) | DE69418006T2 (en) |
ES (2) | ES2130378T3 (en) |
FR (1) | FR2713455B1 (en) |
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-
1993
- 1993-12-14 FR FR9314969A patent/FR2713455B1/en not_active Expired - Fee Related
-
1994
- 1994-12-06 DE DE69418006T patent/DE69418006T2/en not_active Expired - Fee Related
- 1994-12-06 ES ES94402792T patent/ES2130378T3/en not_active Expired - Lifetime
- 1994-12-06 EP EP96201076A patent/EP0729719B9/en not_active Expired - Lifetime
- 1994-12-06 EP EP94402792A patent/EP0658325B1/en not_active Expired - Lifetime
- 1994-12-06 ES ES96201076T patent/ES2155570T3/en not_active Expired - Lifetime
- 1994-12-06 DE DE69427034T patent/DE69427034T2/en not_active Expired - Fee Related
- 1994-12-12 US US08/354,803 patent/US6312179B1/en not_active Expired - Fee Related
- 1994-12-13 CA CA002137957A patent/CA2137957C/en not_active Expired - Fee Related
- 1994-12-14 JP JP6311037A patent/JP2783516B2/en not_active Expired - Fee Related
-
1996
- 1996-06-11 US US08/661,664 patent/US6036387A/en not_active Expired - Fee Related
- 1996-06-12 JP JP8151416A patent/JP2809610B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH09346A (en) | 1997-01-07 |
ES2155570T3 (en) | 2001-05-16 |
CA2137957A1 (en) | 1995-06-15 |
FR2713455A1 (en) | 1995-06-16 |
ES2130378T3 (en) | 1999-07-01 |
EP0729719A1 (en) | 1996-09-04 |
EP0729719B9 (en) | 2001-12-19 |
EP0658325A1 (en) | 1995-06-21 |
DE69427034T2 (en) | 2001-08-02 |
FR2713455B1 (en) | 1996-02-02 |
DE69418006T2 (en) | 1999-08-12 |
DE69418006D1 (en) | 1999-05-27 |
CA2137957C (en) | 2000-04-04 |
JP2783516B2 (en) | 1998-08-06 |
JP2809610B2 (en) | 1998-10-15 |
US6312179B1 (en) | 2001-11-06 |
US6036387A (en) | 2000-03-14 |
JPH07213336A (en) | 1995-08-15 |
EP0729719B1 (en) | 2001-04-04 |
DE69427034D1 (en) | 2001-05-10 |
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