EP1302246B1 - Device for spraying at least one product on a substrate, especially on a keratinous substrate such as skin - Google Patents
Device for spraying at least one product on a substrate, especially on a keratinous substrate such as skin Download PDFInfo
- Publication number
- EP1302246B1 EP1302246B1 EP02292507A EP02292507A EP1302246B1 EP 1302246 B1 EP1302246 B1 EP 1302246B1 EP 02292507 A EP02292507 A EP 02292507A EP 02292507 A EP02292507 A EP 02292507A EP 1302246 B1 EP1302246 B1 EP 1302246B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substance
- fact
- vector gas
- product
- orifice
- 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
Links
- 238000005507 spraying Methods 0.000 title claims description 14
- 239000000758 substrate Substances 0.000 title 2
- 239000007921 spray Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 30
- 239000012159 carrier gas Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 102000011782 Keratins Human genes 0.000 description 2
- 108010076876 Keratins Proteins 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- -1 isopropane Chemical compound 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
- B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
- B05B7/2421—Gas containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
- B05B7/2429—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together after discharge
Definitions
- the present invention relates to a device for spraying at least one product onto a support, for example a keratin carrier such as the skin as defined in the preamble of claim 1.
- a support for example a keratin carrier such as the skin as defined in the preamble of claim 1.
- the characteristics of the preamble are known from document FR 2 781 208.
- US Pat. No. 1,430,506 also discloses a device comprising a reservoir on which two nozzles connected to an inlet of compressed air are fixed, these two nozzles being able to emit air jets meeting in a region situated above a inlet port of the product.
- Such a device requires an external source of compressed air with a supply hose.
- Air-brush also called an "air-brush”
- a spray pen connected to a bottle of a compressed carrier gas
- this spray pen comprising on the one hand a nozzle of the vector gas ejection and secondly a cup in which the product to be sprayed is contained, this product being progressively sucked by a conduit into the cup thanks to the depression created by the Venturi effect by the speed of the carrier gas at its outlet of the nozzle.
- Air-brush type spraying makes it possible, in particular, to make the boundary between the treated and untreated zones less visible, to perform fades, gradients or volume impressions.
- the gesture is also different, since the product that is sprayed does not have to be spread once deposited on the keratin support.
- the application of the product is thus very hygienic, since it can be done without fingers and without applicator.
- a device as described above is the subject, for example, of the Canadian patent application CA-A-2 152 406. Similar devices are marketed by the company DINAIR, under the trademarks BEAUTY ART or BODY ART, the bottle of compressed carrier gas being replaced by an air compressor. These known devices, in which the spray pen and the carrier gas source do not constitute a unitary construction, being connected by a hose, are relatively bulky and are intended primarily for professional use. They are not suitable for being carried easily by a woman in her purse, like conventional makeup accessories.
- French patent application FR-A-2 781 208 discloses a unitary construction device for spraying on a support a composition chosen from among a plurality of compositions having different hues, in which the product is sprayed thanks to a depression caused by the expansion of a jet of carrier gas near a product inlet member, the jet of vector gas being emitted by a nozzle whose axis is contained in the same plane as that of the arrival organ.
- the present invention relates to a new spraying device that is autonomous, of relatively simple construction and inexpensive, and is suitable for use in particular in the cosmetics field.
- the subject of the invention is thus a device for spraying at least one product onto a support, this device comprising a reserve of carrier gas, at least one product inlet able to be placed in fluid communication with a reserve of said product, this the last being sucked into the reserve through a depression created in the vicinity of said at least one product arrival by means of a vector gas emission.
- the device comprises at least one shutter capable of interrupting the fluid communication between said at least one product inlet and the product supply.
- the arrival of product may comprise at least one orifice.
- the product inlet may comprise at least one product supply member, for example a member in which the product may circulate by capillarity, such as a felt, a foam or a sinter.
- the invention can also avoid the risk of product leakage when the device is transported lying down or upside down, which is the case for example in a purse.
- the device can be arranged so as to automatically restore fluid communication between said at least one product inlet and the product reservoir, during a carrier gas emission.
- the device can thus be arranged in such a way that the fluidic communication is automatically interrupted when the emission of vector gas ceases.
- the device may comprise a pushbutton able to act simultaneously, directly or indirectly, on a vector gas distribution valve and on the shutter, so that fluid communication between the arrival of product and the product reserve is established when the user presses the push button to deliver carrier gas.
- the product reserve can be contained for example in a first container fixed on a second container containing the carrier gas.
- the two containers may also have at least one common part, for example a partition defining at least two compartments respectively containing the carrier gas and the product to be sprayed.
- the container containing the product and the container containing the carrier gas can be fixedly attached without moving relative to each other during use. In this way, for example, a relatively compact assembly can be obtained that is easy to transport, particularly in a handbag.
- the container containing the product may for example have an annular shape, to provide a passage, for example central, in which may extend a control member of a valve equipping the container containing the carrier gas.
- the shutter can be operatively connected to at least one element actuated by the movement of a pushbutton of the device.
- an element may comprise for example a hollow rod, having at least one inner channel allowing the product contained in the product reserve to gain the arrival of product.
- the shutter may comprise for example at least one seal capable of closing at least one orifice through which the product may flow to gain the said at least one product inlet and able to release this orifice at least partially during the dispensing of the product.
- the shutter is constituted by a seal mounted on a hollow rod, the latter being closed at its lower end, the seal being supported by its upper face against a shoulder of the rod.
- the latter is traversed for example by at least one product inlet, whose diameter is less than or equal to the thickness of the seal. It is adapted to abut by its lower face against a fixed support wall, when the hollow rod is depressed, so that the seal is then compressed and at least partially releases the intake orifice, so to allow a flow of product towards said at least one product inlet.
- the seal may also, for example, be applied at its periphery against the inner surface of a duct in which the hollow rod can move axially, this duct can communicate freely with the outside, in which case the seal allows obtain a tight closure of the gap between the hollow rod and the inner surface of the conduit.
- This duct may be connected at its upper end to a lid closing the container containing the product, for example.
- the hollow rod can be actuated for example by the movement of a push button controlling the emission of carrier gas.
- the space inside the bearing wall against which the seal can abut by its lower face can communicate with the container containing the product, for example by means of an annular groove formed in a bottom wall of the container .
- the aforesaid conduit can be connected sealingly to the above-mentioned tubular support wall.
- the device may comprise a push-button made by assembling a lower part and an upper part.
- the lower part can be made for example in one piece with an actuating rod, and extend in a passage, for example central, of the container containing the product.
- the control rod of the valve containing the carrier gas can be engaged in the operating rod of the push button.
- the carrier gas may be emitted from at least one gas outlet.
- the or the gas outlet orifices may be arranged to create the vacuum outside the device, in front of the orifice through which the product inlet opens out.
- the carrier gas is emitted by at least two gas outlet ports, whose respective positions and orientations are chosen from in such a way that the jets of vector gas emitted by these orifices meet.
- the gas outlet orifices may for example be arranged symmetrically with respect to the spray axis.
- the arrival of product may comprise an orifice whose axis is located substantially in the same plane as the axes of the gas outlet orifices.
- the gas outlet orifices may be arranged in such a way that the jets of gas emitted by these orifices meet directly, without deflection by a deflector element.
- At least one baffle element may also be provided, for example.
- the gas outlets may be devoid of vortex channels.
- the axes of the gas outlet ports make an angle of approximately 45 ° with an axis of an orifice of the product inlet.
- the axis of this orifice, through which the product is delivered, can be confused with the spray axis, for example.
- the carrier gas may be contained in liquefied form in the carrier gas container. This results in a small footprint or increased autonomy of the device, for example twenty times greater than that conferred by compressed air, and the carrier gas can be emitted at a constant pressure, which improves for example the reproducibility of a make-up made by means of the device.
- the carrier gas may be compatible with the use of the spraying device in cosmetics or dermatology.
- the device may comprise, at the entrance of the valve body for example, an element allowing the passage of the vector gas in gaseous form but preventing the passage of carrier gas in liquefied form.
- Such an element may consist of a block of sintered material for example.
- the product that is sprayed can be a liquid or a sufficiently fine powder.
- the container containing the product can be fixed on the container containing the carrier gas removably, to allow for example to use a same container of carrier gas for spraying different products.
- the container containing the product may for example be devoid of air intake duct. Alternatively, it can include means for a return air such as for example a microfuite or a valve adapted to open in case of depression in the container containing the product. If a microleakage is used, it is performed so as not to allow the passage of product when the device is in the supine position.
- the spraying device 100 shown in FIG. 1 comprises a pressurized container 101 containing, for example, a carrier gas in liquefied form, for example butane, isopropane, isobutane or a fluorinated compound, and a dispensing assembly 102. comprising a push-button 103 and a container 104 containing a product P, for example a liquid foundation.
- the product P may for example be a liquid comprising a suspension of solid particles.
- the container 104 comprises, in the example described, a cavity 105 of generally annular shape about an axis W, this cavity 105 containing the product P being delimited radially outwardly by a first tubular wall 105a and radially inwardly by a second tubular wall 105b.
- the walls 105a and 105b are joined at their lower part by a bottom wall 105c, which has an annular groove 107, W axis, whose role will be specified later.
- the cavity 105 is closed topally by a cover 110, on the lower face of which is connected a conduit 111 of axis parallel to the axis W.
- the cover 110 bears against a shoulder 112 formed at the upper end of the wall 105a.
- the conduit 111 extends over substantially the entire height of the cavity 105 and is assembled at its lower end with a wall 114, projecting upwards on the bottom wall 105c, directly above the groove 107.
- the assembly of the conduit 111 and the wall 114 is made for example by fitting.
- the aforementioned wall 114 may be continuous or discontinuous and may for example form pads.
- the conduit 111 and the cover 110 may be made in one piece, for example.
- the push button 103 is formed for example by the assembly of an upper portion 103a and a lower portion 103b. In the illustrated example, the latter is made in one piece with a hollow rod 120 for actuating a valve of the pressurized container 101, slidable inside the wall 105b.
- This valve may comprise a hollow rod 121, sealingly engaged in the lower end of the rod 120, and bearing by a shoulder against the lower end face of the rod 120.
- the push-button 103 can be moved along the axis W to act on the control rod 121, in which case the carrier gas circulates in the inner conduit of the rod 120 and gains a cavity 125, with which communicate, as can be see Figure 2, two inner conduits 126a and 126b opening out of the pushbutton through vector gas outlet ports 127a and 127b.
- the orifices 127a and 127b have, for example, substantially perpendicular axes Za and Zb and are, for example, at an angle of approximately 45.degree. With the direction of spraying.
- the push-button 103 also comprises an orifice 130 for the arrival of the product, of axis Zc, for example, coinciding with the direction of spraying.
- the orifice 130 communicates for example with the interior of a hollow rod 140 closed at its end lower by a wall 141, as can be seen in Figure 5, and on which is engaged an annular seal 150 serving as a shutter, the seal 150 being for example made of elastomer.
- the seal 150 bears on its flat upper face 151 against an annular rib 142 of the rod 140.
- the latter has at least one product inlet orifice 145, the diameter of which is less than or equal to the nominal thickness of the seal 150, measured along the axis of the rod 140.
- the orifice 145 is positioned so that the seal 150, when resting against the rib 142, completely covers the orifice 145 and prevents the product P contained in the cavity 105 from penetrating through the orifice 145 in the rod 140.
- the rod 140 is for example fixed at its upper end in a housing 160 of the push-button 103 and can move together with the rod 120 when the user presses the push-button 103.
- the seal 150 is compressed between the wall 114 and the rib 142, such compression having the effect of reducing its thickness and at least partially releasing the orifice 145, so that the product contained in the cavity 105 can flow to through the orifice 145, go up the rod 140 and reach the product inlet port 130.
- the operation of the device 100 is as follows.
- the user presses the push button 103, which causes the depression of the stem 121 of the valve of the container and the emission of carrier gas in the inner channel of the rod 120.
- the gas vector can flow through the conduits 126a and 126b and out through the orifices 127a and 127b, which creates by Venturi effect in front of the product inlet port 130 a depression.
- the depression of the push-button 103 also results in moving the rod 140 and compressing the gasket 150, as explained above.
- the orifice 145 is then at least partially released and the product P contained in the cavity 105 can, under the effect of the aforesaid depression, go up in the inner channel of the rod 140 and reach the orifice 130.
- the product is then sprayed in the direction of the Zc axis, as the user presses the push button 103.
- the push button 103 When the latter is released, it can go back to its rest position because the control rod 121 is recalled by elastic means proper to the container 101 in its initial position and under the effect of the own elasticity of the seal 150.
- the latter by resuming its initial shape, closes the orifice 145, so that in case of transporting the device 100 in the extended position or upside down, the product P remains contained in the cavity 105 and is not likely to leak through the product inlet port 130.
- the container 104 may for example be removably attached to the container containing the carrier gas, so as to allow, if necessary, to change the container 104 because the supply of product is exhausted. This can also make it possible to replace the container 101 or to spray different products successively by means of a single container 101.
- the arrival of product is constituted by the end of a duct formed in the push-button, but it is not beyond the scope of the present invention when the arrival of product comprises a material capable of absorbing the product by capillarity, for example a wick, a felt or a sinter.
- shutter comprising, as shown in Figure 6, two coaxial walls 201, 202 movable relative to each other, constituting a shutter.
- the wall 202 may be formed for example by a hollow rod integral with the pushbutton, being closed at its lower end.
- the product can go up inside this rod when a depression is created by a vector gas emission.
- the wall 201 the outermost, is fixed and is able to close an orifice 203 of the wall 202 when the pushbutton is at rest.
- the wall 202 has an orifice 204 opposite which the orifice 203 can come when the push button is depressed, which at least partially releases the orifice 203, to allow the product to gain the arrival of product.
- a valve for example a ball valve, controlled in opening by the displacement of the push-button could also be used, as illustrated in FIG. 7.
- a valve can take a closed position when the push-button is released by the user.
- the valve comprises a ball 210 forming a shutter, returned to a closed position by a spring 211.
- An actuating rod 212 is arranged to be moved downwardly when the pushbutton is depressed. The product can then flow through a conduit 213 to reach the area where the depression is created, to be sprayed.
- the annular groove 107 could, in alternative embodiments, be eliminated, for example if the product is allowed to gain the interior space to the wall 114, for example by means of openings made in this wall and in the end. lower duct 111.
- the product inlet comprises a product supply member such as a felt, a foam or a sinter, as illustrated in FIG. 8.
- a product supply member such as a felt, a foam or a sinter
- FIG. 8 has represented a felt tip 220 used to bring the product by capillarity in the area where the vacuum is created, this felt tip being fixed for example in the hole 130 above.
- the control rod 121 of the container containing the carrier gas could still control the carrier gas distribution by being inclined relative to the axis W, provided to realize the push button accordingly.
- the container 104 can be made without air intake or with air intake, especially if prolonged use is envisaged.
- microfuite 230 As shown in Figure 9, through the cover 110 or between the lid and the wall 105a of the container 104, which corresponds to the example shown on FIG. 9.
- a microleak is made in such a way as to prevent the passage of the product, in particular when the device is in the supine position, but to allow the passage of air.
- valve 240 capable of closing off an air intake orifice 241, as shown in FIG. 10.
- the valve 240 opens in the event of a depression inside the container containing the product and closes the orifice 241 in the opposite case.
- valve 240 may for example be overmolded on the cover 110, but could still be made otherwise without departing from the scope of the present invention.
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Description
La présente invention concerne un dispositif de pulvérisation d'au moins un produit sur un support, par exemple un support kératinique tel que la peau comme défini dans le préambule de la revendication 1. Les caractéristiques du préambule sont connues du document FR 2 781 208.The present invention relates to a device for spraying at least one product onto a support, for example a keratin carrier such as the skin as defined in the preamble of claim 1. The characteristics of the preamble are known from document FR 2 781 208.
L'utilisation d'un jet de gaz vecteur pour pulvériser une peinture est connue depuis longtemps, notamment par le brevet US 2,635,921. Ce principe a été largement développé et a fait l'objet de nombreux dépôts de brevets. A titre indicatif, on peut citer la demande de brevet européen EP-A1-0 208 247 ou les brevets US 5,255,852 et 5,713,519.The use of a vector gas jet for spraying a paint has been known for a long time, in particular by US Pat. No. 2,635,921. This principle has been widely developed and has been the subject of numerous patent filings. As an indication, mention may be made of European Patent Application EP-A1-0 208 247 or US Patents 5,255,852 and 5,713,519.
On trouve actuellement sur le marché sous la marque ECOSPRAY® des dispositifs de pulvérisation qui conviennent pour l'application d'une peinture sur un support non kératinique.Currently available on the market under the trademark ECOSPRAY® spray devices that are suitable for the application of a paint on a non-keratinous support.
On connaît également par le brevet US 1,430,506 un dispositif comportant un réservoir sur lequel sont fixées deux buses reliées à une arrivée d'air comprimé, ces deux buses pouvant émettre des jets d'air se rencontrant dans une région située au-dessus d'un orifice d'arrivée du produit. Un tel dispositif requiert une source extérieure d'air comprimé avec un flexible d'alimentation.US Pat. No. 1,430,506 also discloses a device comprising a reservoir on which two nozzles connected to an inlet of compressed air are fixed, these two nozzles being able to emit air jets meeting in a region situated above a inlet port of the product. Such a device requires an external source of compressed air with a supply hose.
Il est connu par ailleurs d'appliquer un produit de maquillage au moyen d'un aérographe encore appelé « air-brush », comportant un stylo pulvérisateur relié à une bouteille d'un gaz vecteur comprimé, ce stylo pulvérisateur comprenant d'une part une tuyère d'éjection du gaz vecteur et d'autre part une coupelle dans laquelle le produit à pulvériser est contenu, ce produit étant progressivement aspiré par un conduit dans la coupelle grâce à la dépression créée par effet Venturi par la vitesse du gaz vecteur à sa sortie de la tuyère. La pulvérisation de type air-brush permet notamment de rendre moins visible la frontière entre les zones traitées et non traitées, de réaliser des fondus, des dégradés ou des impressions de volume. La gestuelle est également différente, puisque le produit qui est pulvérisé n'a pas à être étalé une fois déposé sur le support kératinique. L'application du produit est ainsi très hygiénique, puisqu'elle peut se faire sans les doigts et sans applicateur.It is also known to apply a make-up product by means of an airbrush, also called an "air-brush", comprising a spray pen connected to a bottle of a compressed carrier gas, this spray pen comprising on the one hand a nozzle of the vector gas ejection and secondly a cup in which the product to be sprayed is contained, this product being progressively sucked by a conduit into the cup thanks to the depression created by the Venturi effect by the speed of the carrier gas at its outlet of the nozzle. Air-brush type spraying makes it possible, in particular, to make the boundary between the treated and untreated zones less visible, to perform fades, gradients or volume impressions. The gesture is also different, since the product that is sprayed does not have to be spread once deposited on the keratin support. The application of the product is thus very hygienic, since it can be done without fingers and without applicator.
Un dispositif tel que décrit ci-dessus fait l'objet par exemple de la demande de brevet canadien CA-A-2 152 406. Des dispositifs similaires sont commercialisés par la société DINAIR, sous les marques déposées BEAUTY ART ou BODY ART, la bouteille de gaz vecteur comprimé étant remplacée par un compresseur à air. Ces dispositifs connus, dans lesquels le stylo pulvérisateur et la source de gaz vecteur ne constituent pas une construction unitaire, étant reliés par un flexible, sont relativement encombrants et sont destinés principalement à un usage professionnel. Ils ne conviennent pas pour être transportés aisément par une femme dans son sac à main, à l'instar des accessoires de maquillage conventionnels.A device as described above is the subject, for example, of the Canadian patent application CA-A-2 152 406. Similar devices are marketed by the company DINAIR, under the trademarks BEAUTY ART or BODY ART, the bottle of compressed carrier gas being replaced by an air compressor. These known devices, in which the spray pen and the carrier gas source do not constitute a unitary construction, being connected by a hose, are relatively bulky and are intended primarily for professional use. They are not suitable for being carried easily by a woman in her purse, like conventional makeup accessories.
On connaît encore par la demande de brevet français FR-A-2 781 208 un dispositif de construction unitaire pour la pulvérisation sur un support d'une composition choisie parmi une pluralité de compositions ayant des teintes différentes, dans lequel le produit est pulvérisé grâce à une dépression provoquée par la détente d'un jet de gaz vecteur à proximité d'un organe d'arrivée du produit, le jet de gaz vecteur étant émis par une buse dont l'axe est contenu dans le même plan que celui de l'organe d'arrivée.French patent application FR-A-2 781 208 discloses a unitary construction device for spraying on a support a composition chosen from among a plurality of compositions having different hues, in which the product is sprayed thanks to a depression caused by the expansion of a jet of carrier gas near a product inlet member, the jet of vector gas being emitted by a nozzle whose axis is contained in the same plane as that of the arrival organ.
La présente invention a pour objet un nouveau dispositif de pulvérisation qui soit autonome, de construction relativement simple et peu coûteuse, et qui convienne à une utilisation notamment dans le domaine cosmétique.The present invention relates to a new spraying device that is autonomous, of relatively simple construction and inexpensive, and is suitable for use in particular in the cosmetics field.
L'invention a ainsi pour objet un dispositif de pulvérisation d'au moins un produit sur un support, ce dispositif comportant une réserve de gaz vecteur, au moins une arrivée de produit apte à être mise en communication fluidique avec une réserve dudit produit, ce dernier étant aspiré dans la réserve grâce à une dépression créée dans le voisinage de ladite au moins une arrivée de produit au moyen d'une émission de gaz vecteur.The subject of the invention is thus a device for spraying at least one product onto a support, this device comprising a reserve of carrier gas, at least one product inlet able to be placed in fluid communication with a reserve of said product, this the last being sucked into the reserve through a depression created in the vicinity of said at least one product arrival by means of a vector gas emission.
Selon l'invention, le dispositif comporte au moins un obturateur apte à interrompre la communication fluidique entre ladite au moins une arrivée de produit et la réserve de produit.According to the invention, the device comprises at least one shutter capable of interrupting the fluid communication between said at least one product inlet and the product supply.
L'arrivée de produit peut comporter au moins un orifice.The arrival of product may comprise at least one orifice.
L'arrivée de produit peut comporter au moins un organe d'amenée de produit, par exemple un organe dans lequel le produit peut circuler par capillarité, tel qu'un feutre, une mousse ou un fritté.The product inlet may comprise at least one product supply member, for example a member in which the product may circulate by capillarity, such as a felt, a foam or a sinter.
Grâce à l'invention, on peut améliorer les conditions de conservation du produit dans la réserve de produit et notamment éviter l'échappement de composants volatils.Thanks to the invention, it is possible to improve the storage conditions of the product in the product reserve and in particular to prevent the escape of volatile components.
L'invention peut permettre également d'éviter les risques de fuite de produit lorsque le dispositif est transporté en étant allongé ou à l'envers, ce qui est le cas par exemple dans un sac à main.The invention can also avoid the risk of product leakage when the device is transported lying down or upside down, which is the case for example in a purse.
Selon un aspect de l'invention, le dispositif peut être agencé de manière à rétablir automatiquement une communication fluidique entre ladite au moins une arrivée de produit et la réserve de produit, lors d'une émission de gaz vecteur. Le dispositif peut ainsi être agencé de manière à ce que la communication fluidique soit automatiquement interrompue lorsque cesse l'émission de gaz vecteur.According to one aspect of the invention, the device can be arranged so as to automatically restore fluid communication between said at least one product inlet and the product reservoir, during a carrier gas emission. The device can thus be arranged in such a way that the fluidic communication is automatically interrupted when the emission of vector gas ceases.
Selon un aspect de l'invention, le dispositif peut comporter un bouton-poussoir apte à agir simultanément, directement ou indirectement, sur une valve de distribution de gaz vecteur et sur l'obturateur, de manière à ce qu'une communication fluidique entre l'arrivée de produit et la réserve de produit soit établie quand l'utilisateur appuie sur le bouton-poussoir pour délivrer du gaz vecteur.According to one aspect of the invention, the device may comprise a pushbutton able to act simultaneously, directly or indirectly, on a vector gas distribution valve and on the shutter, so that fluid communication between the arrival of product and the product reserve is established when the user presses the push button to deliver carrier gas.
La réserve de produit peut être contenue par exemple dans un premier récipient fixé sur un deuxième récipient contenant le gaz vecteur. Les deux récipients peuvent également avoir au moins une partie commune, par exemple une cloison définissant au moins deux compartiments contenant respectivement le gaz vecteur et le produit à pulvériser.The product reserve can be contained for example in a first container fixed on a second container containing the carrier gas. The two containers may also have at least one common part, for example a partition defining at least two compartments respectively containing the carrier gas and the product to be sprayed.
Le récipient contenant le produit et le récipient contenant le gaz vecteur peuvent être liés fixement, sans déplacement de l'un par rapport à l'autre au cours de l'utilisation. On peut obtenir par exemple de cette façon un ensemble relativement compact, aisé à transporter, dans un sac à main notamment.The container containing the product and the container containing the carrier gas can be fixedly attached without moving relative to each other during use. In this way, for example, a relatively compact assembly can be obtained that is easy to transport, particularly in a handbag.
Le récipient contenant le produit peut présenter par exemple une forme annulaire, afin de ménager un passage, par exemple central, dans lequel peut s'étendre un organe de commande d'une valve équipant le récipient contenant le gaz vecteur.The container containing the product may for example have an annular shape, to provide a passage, for example central, in which may extend a control member of a valve equipping the container containing the carrier gas.
L'obturateur peut être relié opérationnellement à au moins un élément actionné par le déplacement d'un bouton-poussoir du dispositif. Un tel élément peut comporter par exemple une tige creuse, ayant au moins un canal intérieur permettant au produit contenu dans la réserve de produit de gagner l'arrivée de produit.The shutter can be operatively connected to at least one element actuated by the movement of a pushbutton of the device. Such an element may comprise for example a hollow rod, having at least one inner channel allowing the product contained in the product reserve to gain the arrival of product.
L'obturateur peut comporter par exemple au moins un joint, apte à obturer au moins un orifice par lequel le produit peut s'écouler pour gagner ladite au moins une arrivée de produit et apte à libérer cet orifice au moins partiellement lors de la distribution du produit.The shutter may comprise for example at least one seal capable of closing at least one orifice through which the product may flow to gain the said at least one product inlet and able to release this orifice at least partially during the dispensing of the product.
Dans une réalisation particulière, l'obturateur est constitué par un joint monté sur une tige creuse, cette dernière étant fermée à son extrémité inférieure, le joint pouvant venir en appui par sa face supérieure contre un épaulement de la tige. Cette dernière est traversée par exemple par au moins un orifice d'admission de produit, dont le diamètre est inférieur ou égal à l'épaisseur du joint. Celui-ci est apte à venir en butée par sa face inférieure contre une paroi d'appui, fixe, quand la tige creuse est enfoncée, de sorte que le joint est alors comprimé et dégage au moins partiellement l'orifice d'admission, afin de permettre un écoulement de produit en direction de ladite au moins une arrivée de produit. Le joint peut en outre, par exemple, s'appliquer à sa périphérie contre la surface intérieure d'un conduit dans lequel la tige creuse peut se déplacer axialement, ce conduit pouvant communiquer librement avec l'extérieur, auquel cas le joint permet d'obtenir une fermeture étanche de l'intervalle situé entre la tige creuse et la surface intérieure du conduit. Ce conduit peut se raccorder à son extrémité supérieure à un couvercle fermant supérieurement le récipient contenant le produit, par exemple. La tige creuse peut être actionnée par exemple par le déplacement d'un bouton-poussoir commandant l'émission de gaz vecteur. L'espace intérieur à la paroi d'appui contre laquelle le joint peut venir en butée par sa face inférieure peut communiquer avec le récipient contenant le produit, par exemple par l'intermédiaire d'une gorge annulaire réalisée dans une paroi de fond du récipient. Le conduit précité peut se raccorder de manière étanche à la paroi d'appui tubulaire précitée.In a particular embodiment, the shutter is constituted by a seal mounted on a hollow rod, the latter being closed at its lower end, the seal being supported by its upper face against a shoulder of the rod. The latter is traversed for example by at least one product inlet, whose diameter is less than or equal to the thickness of the seal. It is adapted to abut by its lower face against a fixed support wall, when the hollow rod is depressed, so that the seal is then compressed and at least partially releases the intake orifice, so to allow a flow of product towards said at least one product inlet. The seal may also, for example, be applied at its periphery against the inner surface of a duct in which the hollow rod can move axially, this duct can communicate freely with the outside, in which case the seal allows obtain a tight closure of the gap between the hollow rod and the inner surface of the conduit. This duct may be connected at its upper end to a lid closing the container containing the product, for example. The hollow rod can be actuated for example by the movement of a push button controlling the emission of carrier gas. The space inside the bearing wall against which the seal can abut by its lower face can communicate with the container containing the product, for example by means of an annular groove formed in a bottom wall of the container . The aforesaid conduit can be connected sealingly to the above-mentioned tubular support wall.
Selon un aspect de l'invention, le dispositif peut comporter un bouton-poussoir réalisé par assemblage d'une partie inférieure et d'une partie supérieure. La partie inférieure peut être réalisée par exemple d'un seul tenant avec une tige d'actionnement, et s'étendre dans un passage, par exemple central, du récipient contenant le produit. La tige de commande de la valve contenant le gaz vecteur peut être engagée dans la tige d'actionnement du bouton-poussoir.According to one aspect of the invention, the device may comprise a push-button made by assembling a lower part and an upper part. The lower part can be made for example in one piece with an actuating rod, and extend in a passage, for example central, of the container containing the product. The control rod of the valve containing the carrier gas can be engaged in the operating rod of the push button.
Le gaz vecteur peut être émis par au moins un orifice de sortie de gaz.The carrier gas may be emitted from at least one gas outlet.
Le ou les orifices de sortie de gaz peuvent être agencés de manière à créer la dépression à l'extérieur du dispositif, en avant de l'orifice par lequel l'arrivée de produit débouche à l'extérieur.The or the gas outlet orifices may be arranged to create the vacuum outside the device, in front of the orifice through which the product inlet opens out.
Dans l'invention, le gaz vecteur est émis par au moins deux orifices de sortie de gaz, dont les positions et orientations respectives sont choisies de manière à ce que les jets de gaz vecteur émis par ces orifices se rencontrent. Cela peut permettre d'améliorer les caractéristiques d'application. Les orifices de sortie de gaz peuvent par exemple être disposés de manière symétrique par rapport à l'axe de pulvérisation.In the invention, the carrier gas is emitted by at least two gas outlet ports, whose respective positions and orientations are chosen from in such a way that the jets of vector gas emitted by these orifices meet. This can improve the application characteristics. The gas outlet orifices may for example be arranged symmetrically with respect to the spray axis.
L'arrivée de produit peut comporter un orifice dont l'axe est situé sensiblement dans le même plan que les axes des orifices de sortie de gaz. Les orifices de sortie de gaz peuvent être agencés de telle sorte que les jets de gaz émis par ces orifices se rencontrent directement, sans déflexion par un élément formant déflecteur. Au moins un élément formant déflecteur peut aussi être prévu, par exemple.The arrival of product may comprise an orifice whose axis is located substantially in the same plane as the axes of the gas outlet orifices. The gas outlet orifices may be arranged in such a way that the jets of gas emitted by these orifices meet directly, without deflection by a deflector element. At least one baffle element may also be provided, for example.
Les orifices de sortie de gaz peuvent être dépourvus de canaux tourbillonnaires.The gas outlets may be devoid of vortex channels.
Dans une réalisation particulière, les axes des orifices de sortie de gaz font un angle de 45° environ avec un axe d'un orifice de l'arrivée de produit. L'axe de cet orifice, par lequel le produit est délivré, peut être confondu avec l'axe de pulvérisation, par exemple.In a particular embodiment, the axes of the gas outlet ports make an angle of approximately 45 ° with an axis of an orifice of the product inlet. The axis of this orifice, through which the product is delivered, can be confused with the spray axis, for example.
Le gaz vecteur peut être contenu sous une forme liquéfiée dans le récipient de gaz vecteur. Il en résulte alors un faible encombrement ou une autonomie accrue du dispositif, par exemple vingt fois supérieure à celle conférée par de l'air comprimé, et le gaz vecteur peut être émis à une pression constante, ce qui améliore par exemple la reproductibilité d'un maquillage réalisé au moyen du dispositif. Le gaz vecteur peut être compatible avec l'utilisation du dispositif de pulvérisation en cosmétique ou en dermatologie.The carrier gas may be contained in liquefied form in the carrier gas container. This results in a small footprint or increased autonomy of the device, for example twenty times greater than that conferred by compressed air, and the carrier gas can be emitted at a constant pressure, which improves for example the reproducibility of a make-up made by means of the device. The carrier gas may be compatible with the use of the spraying device in cosmetics or dermatology.
Le dispositif peut comporter, à l'entrée du corps de valve par exemple, un élément permettant le passage du gaz vecteur sous forme gazeuse mais empêchant le passage de gaz vecteur sous forme liquéfiée.The device may comprise, at the entrance of the valve body for example, an element allowing the passage of the vector gas in gaseous form but preventing the passage of carrier gas in liquefied form.
Un tel élément peut être constitué par un bloc de matériau fritté par exemple.Such an element may consist of a block of sintered material for example.
Le produit qui est pulvérisé peut être un liquide ou une poudre suffisamment fine.The product that is sprayed can be a liquid or a sufficiently fine powder.
Le récipient contenant le produit peut être fixé sur le récipient contenant le gaz vecteur de manière amovible, afin de permettre par exemple d'utiliser un même récipient de gaz vecteur pour pulvériser différents produits. Le récipient contenant le produit peut être par exemple dépourvu de conduit de reprise d'air. En variante, il peut comporter des moyens permettant une reprise d'air tels que par exemple une microfuite ou un clapet apte à s'ouvrir en cas de dépression dans le récipient contenant le produit. Si une microfuite est utilisée, elle est réalisée de manière à ne pas permettre le passage de produit lorsque le dispositif est en position couchée.The container containing the product can be fixed on the container containing the carrier gas removably, to allow for example to use a same container of carrier gas for spraying different products. The container containing the product may for example be devoid of air intake duct. Alternatively, it can include means for a return air such as for example a microfuite or a valve adapted to open in case of depression in the container containing the product. If a microleakage is used, it is performed so as not to allow the passage of product when the device is in the supine position.
L'invention pourra être mieux comprise à la lecture de la description détaillée qui va suivre, d'exemples de mise en oeuvre non limitatifs de l'invention, et à l'examen du dessin annexé, lequel fait partie intégrante de la description, et sur lequel :
- la figure 1 est une section axiale, schématique et partielle, selon I-I de la figure 2, d'un exemple de dispositif de pulvérisation conforme à l'invention,
- la figure 2 est une vue de dessus, partielle et schématique, selon la flèche II de la figure 1,
- la figure 3 est une section axiale, schématique et partielle, selon III-III de la figure 2,
- la figure 4 est une vue schématique, en perspective éclatée, partielle, du dispositif de la figure 1,
- la figure 5 est une vue à échelle agrandie du détail V de la figure 1,
- les figures 6 et 7 représentent schématiquement d'autres exemples d'obturateurs,
- la figure 8 représente schématiquement un organe d'amenée du produit par capillarité,
- la figure 9 représente de manière schématique un exemple de microfuite, et
- la figure 10 représente de manière schématique un exemple de clapet de reprise d'air.
- FIG. 1 is an axial section, diagrammatic and partial, along II of FIG. 2, of an example of a spraying device according to the invention;
- FIG. 2 is a top view, partial and schematic, along arrow II of FIG. 1,
- FIG. 3 is an axial section, diagrammatic and partial, along III-III of FIG. 2,
- FIG. 4 is a schematic partial exploded perspective view of the device of FIG. 1;
- FIG. 5 is an enlarged view of the detail V of FIG. 1,
- FIGS. 6 and 7 schematically represent other examples of shutters,
- FIG. 8 schematically represents a device for feeding the product by capillarity,
- FIG. 9 schematically represents an example of a microfuite, and
- Figure 10 schematically shows an example of air intake valve.
Le dispositif de pulvérisation 100 représenté à la figure 1 comporte un récipient pressurisé 101 contenant par exemple un gaz vecteur sous forme liquéfiée, par exemple du butane, de l'isopropane, de l'isobutane ou un composé fluoré, et un ensemble de distribution 102 comportant un bouton-poussoir 103 et un récipient 104 contenant un produit P, par exemple un fond de teint liquide. Le produit P peut par exemple être un liquide comportant une suspension de particules solides.The
Le récipient 104 comporte, dans l'exemple décrit, une cavité 105 de forme générale annulaire autour d'un axe W, cette cavité 105 contenant le produit P étant délimitée radialement à l'extérieur par une première paroi tubulaire 105a et radialement à l'intérieur par une deuxième paroi tubulaire 105b. Les parois 105a et 105b sont réunies à leur partie inférieure par une paroi de fond 105c, qui comporte une gorge annulaire 107, d'axe W, dont le rôle sera précisé plus loin.The
La cavité 105 est fermée supérieurement par un couvercle 110, sur la face inférieure duquel se raccorde un conduit 111 d'axe parallèle à l'axe W. Le couvercle 110 vient prendre appui contre un épaulement 112 réalisé à l'extrémité supérieure de la paroi 105a.The
Le conduit 111 s'étend sur sensiblement toute la hauteur de la cavité 105 et vient s'assembler à son extrémité inférieure avec une paroi 114, formant saillie vers le haut sur la paroi de fond 105c, à l'aplomb de la gorge 107. L'assemblage du conduit 111 et de la paroi 114 est réalisé par exemple par emmanchement. La paroi 114 précitée peut être continue ou discontinue et peut par exemple former des plots.The
Le conduit 111 et le couvercle 110 peuvent être réalisés d'un seul tenant, par exemple.The
Le bouton-poussoir 103 est formé par exemple par l'assemblage d'une partie supérieure 103a et d'une partie inférieure 103b. Dans l'exemple illustré, cette dernière est réalisée d'un seul tenant avec une tige creuse 120 d'actionnement d'une valve du récipient pressurisé 101, pouvant coulisser à l'intérieur de la paroi 105b.The
Cette valve peut comporter une tige creuse 121, engagée de manière étanche dans l'extrémité inférieure de la tige 120, et venant en appui par un épaulement contre la face d'extrémité inférieure de la tige 120.This valve may comprise a
Le bouton-poussoir 103 peut être déplacé selon l'axe W pour agir sur la tige de commande 121, auquel cas du gaz vecteur circule dans le conduit intérieur de la tige 120 et gagne une cavité 125, avec laquelle communiquent, comme on peut le voir sur la figure 2, deux conduits intérieurs 126a et 126b débouchant à l'extérieur du bouton-poussoir par des orifices de sortie de gaz vecteur 127a et 127b. Les orifices 127a et 127b ont par exemple des axes Za et Zb sensiblement perpendiculaires et font chacun par exemple un angle de 45° environ avec la direction de pulvérisation.The push-
Le bouton-poussoir 103 comporte également un orifice 130 d'arrivée du produit, d'axe Zc, par exemple confondu avec la direction de pulvérisation. L'orifice 130 communique par exemple avec l'intérieur d'une tige creuse 140 fermée à son extrémité inférieure par une paroi 141, comme on peut le voir sur la figure 5, et sur laquelle est engagé un joint annulaire 150 servant d'obturateur, ce joint 150 étant par exemple réalisé en élastomère.The push-
Dans l'exemple illustré, le joint 150 vient en appui par sa face supérieure plane 151 contre une nervure annulaire 142 de la tige 140. Cette dernière présente au moins un orifice 145 d'admission de produit, dont le diamètre est inférieur ou égal à l'épaisseur nominale du joint 150, mesurée le long de l'axe de la tige 140. L'orifice 145 est positionné de telle sorte que le joint 150, lorsqu'il est en appui au repos contre la nervure 142, recouvre complètement l'orifice 145 et empêche le produit P contenu dans la cavité 105 de pénétrer par l'orifice 145 dans la tige 140.In the example illustrated, the
La tige 140 est par exemple fixée à son extrémité supérieure dans un logement 160 du bouton-poussoir 103 et peut se déplacer conjointement avec la tige 120 lorsque l'utilisateur appuie sur le bouton-poussoir 103. Lors de l'enfoncement de la tige 140, le joint 150 est comprimé entre la paroi 114 et la nervure 142, une telle compression ayant pour effet de réduire son épaisseur et de libérer au moins partiellement l'orifice 145, de telle sorte que du produit contenu dans la cavité 105 peut circuler à travers l'orifice 145, remonter dans la tige 140 et gagner l'orifice d'arrivée de produit 130.The
Lorsque le bouton-poussoir 103 est relâché, la tige 140 remonte avec ce dernier et le joint 150 peut reprendre grâce à une mémoire de forme une épaisseur suffisante pour obturer l'orifice 145.When the
Le fonctionnement du dispositif 100 est le suivant. Pour pulvériser du produit P, l'utilisateur appuie sur le bouton-poussoir 103, ce qui provoque l'enfoncement de la tige 121 de la valve du récipient et l'émission de gaz vecteur dans le canal intérieur de la tige 120. Le gaz vecteur peut circuler par les conduits 126a et 126b et sortir par les orifices 127a et 127b, ce qui crée par effet Venturi en avant de l'orifice d'arrivée de produit 130 une dépression. L'enfoncement du bouton-poussoir 103 a également pour conséquence de déplacer la tige 140 et de comprimer le joint 150, comme expliqué plus haut. L'orifice 145 est alors au moins partiellement libéré et du produit P contenu dans la cavité 105 peut, sous l'effet de la dépression précitée, remonter dans le canal intérieur de la tige 140 et gagner l'orifice 130. Le produit est alors pulvérisé dans la direction de l'axe Zc, tant que l'utilisateur appuie sur le bouton-poussoir 103. Lorsque ce dernier est relâché, il peut remonter dans sa position de repos du fait que la tige de commande 121 est rappelée par des moyens élastiques propres au récipient 101 dans sa position initiale et sous l'effet de l'élasticité propre du joint 150. Ce dernier, en reprenant sa forme initiale, obture l'orifice 145, de sorte qu'en cas de transport du dispositif 100 en position allongée ou à l'envers, le produit P reste contenu dans la cavité 105 et ne risque pas de fuir par l'orifice d'arrivée de produit 130.The operation of the
Le récipient 104 peut être par exemple fixé de manière amovible sur le récipient contenant le gaz vecteur, de manière à permettre, le cas échéant, de changer de récipient 104 parce que la réserve de produit est épuisée. Cela peut permettre aussi de remplacer le récipient 101 ou de pulvériser différents produits successivement au moyen d'un unique récipient 101.The
Dans l'exemple correspondant aux figures 1 à 5, l'arrivée de produit est constituée par l'extrémité d'un conduit formé dans le bouton-poussoir mais on ne sort pas du cadre de la présente invention lorsque l'arrivée de produit comporte un matériau capable d'absorber par capillarité du produit, par exemple une mèche, un feutre ou un fritté.In the example corresponding to FIGS. 1 to 5, the arrival of product is constituted by the end of a duct formed in the push-button, but it is not beyond the scope of the present invention when the arrival of product comprises a material capable of absorbing the product by capillarity, for example a wick, a felt or a sinter.
On peut également utiliser une pluralité de réserves de produits différentes, montées sur un barillet, de manière similaire à ce qui a été décrit dans la demande de brevet français FR-A-2 781 208, dont le contenu est incorporé par référence.It is also possible to use a plurality of different product reserves, mounted on a barrel, in a manner similar to that described in the French patent application FR-A-2 781 208, the content of which is incorporated by reference.
Bien entendu, l'invention n'est pas limitée aux exemples qui viennent d'être décrits et, d'une manière générale, on peut remplacer l'obturateur qui a été décrit par tous moyens d'obturation appropriés, par exemple des moyens d'obturation comportant, comme illustré à la figure 6, deux parois coaxiales 201, 202 mobiles l'une par rapport à l'autre, constituant un obturateur.Of course, the invention is not limited to the examples which have just been described and, in general, it is possible to replace the shutter which has been described by any appropriate sealing means, for example means of sealing. shutter comprising, as shown in Figure 6, two
La paroi 202, la plus intérieure, peut être formée par exemple par une tige creuse solidaire du bouton-poussoir, étant fermée à son extrémité inférieure. Le produit peut remonter à l'intérieur de cette tige lorsqu'une dépression est créée par une émission de gaz vecteur.The
La paroi 201, la plus extérieure, est fixe et elle est apte à obturer un orifice 203 de la paroi 202 lorsque le bouton-poussoir est au repos. La paroi 202 comporte un orifice 204 en regard duquel l'orifice 203 peut venir, lorsque le bouton-poussoir est enfoncé, ce qui libère au moins partiellement l'orifice 203, pour permettre au produit de gagner l'arrivée de produit.The
Un clapet, par exemple à bille, commandé en ouverture par le déplacement du bouton-poussoir pourrait également être utilisé, comme illustré à la figure 7. Un tel clapet peut prendre une position fermée lorsque le bouton-poussoir est relâché par l'utilisateur. Dans l'exemple illustré, le clapet comporte une bille 210 formant obturateur, rappelée dans une position d'obturation par un ressort 211. Une tige d'actionnement 212 est agencée pour être déplacée vers le bas lorsque le bouton-poussoir est enfoncé. Le produit peut alors s'écouler par un conduit 213 pour gagner la zone où la dépression est créée, afin d'être pulvérisé.A valve, for example a ball valve, controlled in opening by the displacement of the push-button could also be used, as illustrated in FIG. 7. Such a valve can take a closed position when the push-button is released by the user. In the illustrated example, the valve comprises a
La gorge annulaire 107 pourrait, dans des variantes de réalisation, être supprimée, par exemple si l'on permet au produit de gagner l'espace intérieur à la paroi 114, par exemple grâce à des ouvertures réalisées dans cette paroi et dans l'extrémité inférieure du conduit 111.The
On ne sort pas du cadre de l'invention lorsque la dépression est créée par l'émission, par un seul orifice, du gaz vecteur.It is not beyond the scope of the invention when the vacuum is created by the emission, by a single orifice, of the carrier gas.
On ne sort pas non plus du cadre de l'invention lorsque l'arrivée de produit comporte un organe d'amenée de produit tel qu'un feutre, une mousse, un fritté, comme illustré sur la figure 8. Sur cette figure, on a représenté une pointe feutre 220 servant à amener le produit par capillarité dans la zone où la dépression est créée, cette pointe feutre étant par exemple fixée dans l'orifice 130 précité.It is also not within the scope of the invention when the product inlet comprises a product supply member such as a felt, a foam or a sinter, as illustrated in FIG. 8. In this figure, has represented a felt
La tige de commande 121 du récipient contenant le gaz vecteur pourrait encore commander la distribution de gaz vecteur en étant inclinée par rapport à l'axe W, à condition de réaliser le bouton-poussoir en conséquence.The
Le récipient 104 peut être réalisé sans reprise d'air ou avec reprise d'air, notamment si une utilisation prolongée est envisagée.The
Pour permettre une reprise d'air, on peut par exemple réaliser une microfuite 230, comme illustré sur la figure 9, à travers le couvercle 110 ou entre le couvercle et la paroi 105a du récipient 104, ce qui correspond à l'exemple représenté sur la figure 9. Une telle microfuite est réalisée de manière à empêcher le passage du produit notamment lorsque le dispositif est en position couchée, mais à permettre le passage de l'air.To allow a return of air, one can for example make a
On peut encore prévoir, par exemple, un clapet 240 apte à obturer un orifice de reprise d'air 241, comme illustré à la figure 10. Le clapet 240 s'ouvre en cas de dépression à l'intérieur du récipient contenant le produit et obture l'orifice 241 dans le cas contraire.It is also possible to provide, for example, a
Le clapet 240 peut être par exemple surmoulé sur le couvercle 110, mais pourrait encore être réalisé autrement sans que l'on sorte du cadre de la présente invention.The
Claims (26)
- A device for spraying at least one substance onto a medium, the device comprising a supply of vector gas, at least one substance feed suitable for being put into fluid communication with a supply of said substance, the substance being sucked from the supply by suction established in the vicinity of said at least one substance feed by emission of said vector gas, the device being characterized by the fact that it further comprises at least one shutter (150; 201; 210) suitable for interrupting fluid communication between said at least one substance feed and the supply of substance, the vector gas being emitted through at least two gas outlet orifices (127a; 127b) whose respective positions are selected in such a manner that the vector gas jets emitted by the orifices meet.
- A device according to claim 1, characterized by the fact that the substance feed comprises at least one orifice (130).
- A device according to claim 1, characterized by the fact that the substance feed comprises at least one member for feeding the substance by capillarity (220).
- A device according to any one of claims 1 to 3, characterized by the fact that it is arranged in such a manner as to reestablish fluid communication automatically between said at least one substance feed and the supply of substance while vector gas is being emitted.
- A device according to any preceding claim, characterized by the fact that it comprises a pushbutton suitable for acting simultaneously, directly or indirectly, on a vector gas dispenser valve and on the shutter, whereby fluid communication between said at least one substance feed and the supply of substance is established when the user presses on the pushbutton to cause the vector gas to be dispensed.
- A device according to any preceding claim, characterized by the fact that it comprises a first receptacle (104) fixed on a second receptacle (101) containing the vector gas.
- A device according to any one of claims 1 to 6, characterized by the fact that the receptacle containing the substance and the receptacle containing the vector gas are fixed to each other in such a manner as to prevent them from moving relative to each other in use.
- A device according to any preceding claim, characterized by the fact that the receptacle (104) containing the substance is annular in shape so as to leave a passage through which a control member (120) can extend for controlling a valve fitted to the receptacle containing the vector gas.
- A device according to any preceding claim, characterized by the fact that the shutter (150; 201; 202; 210) is operationally connected to at least one element actuated by moving the pushbutton of the device.
- A device according to claim 9, characterized by the fact that said element comprises a hollow rod (140) having at least one inside passage enabling the substance to reach said at least one substance feed orifice.
- A device according to any preceding claim, characterized by the fact that the shutter comprises at least one gasket (150) suitable for shutting at least one orifice (145) through which the substance can flow to reach said at least one substance feed, and suitable for releasing said orifice at least in part while substance is being dispensed.
- A device according to claim 11, characterized by the fact that the shutter is constituted by a gasket (150) mounted on a hollow rod (140), the rod being closed at its bottom end, the gasket being capable of bearing via its top face against a shoulder of the rod, the rod having at least one substance admission orifice (145) passing therethrough, the orifice being of a diameter that is smaller than or equal to the thickness of the gasket (150), said gasket being suitable for coming into abutment via its bottom face against a stationary bearing wall (114) when the hollow rod is pushed down, thereby causing the gasket to be compressed so as to release the admission orifice (145) at least in part, thus enabling substance to flow towards said at least one substance feed.
- A device according to claim 12, characterized by the fact that the gasket (150) bears via its periphery against the inside surface of a duct (111) in which the hollow rod (140) can move axially, the duct being capable of communicating freely with the outside.
- A device according to claim 12 or claim 13, characterized by the fact that the hollow rod (140) is actuated by moving a pushbutton (103) that controls emission of the vector gas.
- A device according to any one of claims 12 to 14, characterized by the fact that the space inside the bearing wall (114) against which the gasket (150) can come into abutment via its bottom face communicates with the receptacle containing the substance, via an annular channel (107) formed in a bottom end wall (105c) of said receptacle.
- A device according to any preceding claim, characterized by the fact that it comprises a pushbutton (103) made by assembling together a bottom portion (103b) and a top portion (103a).
- A device according to claim 16, characterized by the fact that the bottom portion (103b) is made integrally with an actuator rod (120) extending along a passage in the receptacle containing the substance.
- A device according to claim 17, characterized by the fact that the control rod (121) of the valve for delivering the vector gas is engaged in the actuator rod (120).
- A device according to anyone of the preceding claims, characterized by the fact that the gas outlet orifices are disposed symmetrically about the spray axis (Zc).
- A device according to anyone of the preceding claims, characterized by the fact that the substance feed comprises an orifice (130) presenting an axis (Zc) which is situated substantially in the same plane as the axes (Za, Zb) of the gas outlet orifices.
- A device according to any one of the preceding claims, characterized by the fact that the axes (Za, Zb) of the gas outlet orifices are at angles of 45° relative to the spray axis (Zc).
- A device according to any preceding claim, characterized by the fact that the vector gas is contained in liquefied form in the vector gas receptacle (101).
- A device according to any preceding claim, characterized by the fact that the substance (P) which is sprayed is a liquid.
- A device according to any one of claims 1 to 22, characterized by the fact that the substance (P) which is sprayed is a powder.
- A device according to any preceding claim, characterized by the fact that the receptacle (104) containing the substance is fixed on the receptacle (101) containing the vector gas in removable manner.
- A device according to any preceding claim, characterized by the fact that it includes a microleak (230) or an air intake valve (240).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0113098 | 2001-10-11 | ||
FR0113098A FR2830778B1 (en) | 2001-10-11 | 2001-10-11 | DEVICE FOR SPRAYING AT LEAST ONE PRODUCT ON A SUPPORT, IN PARTICULAR A KERATINIC SUPPORT SUCH AS THE SKIN |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1302246A1 EP1302246A1 (en) | 2003-04-16 |
EP1302246B1 true EP1302246B1 (en) | 2006-07-12 |
Family
ID=8868168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02292507A Expired - Lifetime EP1302246B1 (en) | 2001-10-11 | 2002-10-11 | Device for spraying at least one product on a substrate, especially on a keratinous substrate such as skin |
Country Status (7)
Country | Link |
---|---|
US (1) | US7159796B2 (en) |
EP (1) | EP1302246B1 (en) |
JP (1) | JP2003181336A (en) |
CA (1) | CA2407213C (en) |
DE (1) | DE60213052T2 (en) |
ES (1) | ES2266428T3 (en) |
FR (1) | FR2830778B1 (en) |
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FR2830778B1 (en) | 2001-10-11 | 2004-07-09 | Oreal | DEVICE FOR SPRAYING AT LEAST ONE PRODUCT ON A SUPPORT, IN PARTICULAR A KERATINIC SUPPORT SUCH AS THE SKIN |
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FR2818101B1 (en) * | 2000-12-15 | 2003-09-26 | Oreal | DEVICE FOR SPRAYING A COSMETIC PRODUCT |
US20050131368A2 (en) * | 2003-03-04 | 2005-06-16 | Diaperoos, Llc | Vacuum-packed diaper |
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US8033483B2 (en) | 2008-04-25 | 2011-10-11 | Confluent Surgical Inc. | Silicone spray tip |
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US8210453B2 (en) * | 2008-09-12 | 2012-07-03 | Confluent Surgical, Inc. | Spray applicator |
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US10309430B2 (en) | 2012-08-10 | 2019-06-04 | Confluent Surgical, Inc. | Pneumatic actuation assembly |
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-
2001
- 2001-10-11 FR FR0113098A patent/FR2830778B1/en not_active Expired - Fee Related
-
2002
- 2002-10-08 US US10/265,695 patent/US7159796B2/en not_active Expired - Fee Related
- 2002-10-10 CA CA002407213A patent/CA2407213C/en not_active Expired - Fee Related
- 2002-10-11 DE DE60213052T patent/DE60213052T2/en not_active Expired - Lifetime
- 2002-10-11 ES ES02292507T patent/ES2266428T3/en not_active Expired - Lifetime
- 2002-10-11 EP EP02292507A patent/EP1302246B1/en not_active Expired - Lifetime
- 2002-10-11 JP JP2002334341A patent/JP2003181336A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
ES2266428T3 (en) | 2007-03-01 |
DE60213052D1 (en) | 2006-08-24 |
FR2830778A1 (en) | 2003-04-18 |
JP2003181336A (en) | 2003-07-02 |
FR2830778B1 (en) | 2004-07-09 |
US7159796B2 (en) | 2007-01-09 |
CA2407213A1 (en) | 2003-04-11 |
US20030085302A1 (en) | 2003-05-08 |
CA2407213C (en) | 2007-03-13 |
DE60213052T2 (en) | 2007-01-18 |
EP1302246A1 (en) | 2003-04-16 |
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