EP0875168B1 - Dispositif applicateur pour liquide - Google Patents
Dispositif applicateur pour liquide Download PDFInfo
- Publication number
- EP0875168B1 EP0875168B1 EP98202441A EP98202441A EP0875168B1 EP 0875168 B1 EP0875168 B1 EP 0875168B1 EP 98202441 A EP98202441 A EP 98202441A EP 98202441 A EP98202441 A EP 98202441A EP 0875168 B1 EP0875168 B1 EP 0875168B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- dispenser
- head
- dome
- valve
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
- B65D83/285—Nozzles, nozzle fittings or accessories specially adapted therefor for applying the contents, e.g. brushes, rollers, pads, spoons, razors, scrapers
-
- 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
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
-
- 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
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/10—Details of applicators
- A45D2200/1009—Applicators comprising a pad, tissue, sponge, or the like
- A45D2200/1018—Applicators comprising a pad, tissue, sponge, or the like comprising a pad, i.e. a cushion-like mass of soft material, with or without gripping means
Definitions
- the present invention relates to an applicator device for liquid and in particular a device which can be used for application, for example topically, on the skin of a cosmetic product or dermopharmaceutical, such as a deodorant for example.
- the use of aerosol delivery involves ejection in the atmosphere, along with the liquid particles of aerosol, pressurizing gas; if you pressurize with a compressed gas not liquefied, for example by air, the pressure of distribution decreases as the tank is discharged, from so that at the end of distribution the aerosol particles are too large; if pressurization with chlorofluoroalkane is ensured partially liquefied, air pollution is generated; if, finally, we pressurize with butane or propane partially liquefied, the product can in no way be considered as hypoallergenic, given the risk faced by some subject to inhalation of the propellant.
- a device comprising a container for the liquid to be applied on a surface to be treated and a dispensing dome connected to said container by a dispensing head, the dispensing dome being produced in a porous material (sponge) suitable for applying the liquid by simple rubbing of the external face of said dome on the surface to be treated, the container being a pressurized tank fitted with a distribution valve, the dome dispenser being carried by a support, which constitutes an element of the dispensing head and is mechanically linked to a nozzle suitable for cooperate with said valve to cause it to open under the action mechanical stress exerted on the dispensing dome, the liquid ejected from the tank during said opening being channeled to through said nozzle towards the face of the distributor dome, which is opposite on the external face of said dome, the dispensing head comprising a attachment member for securing said head with the tank and
- Such a device has the advantage of not requiring any prior return to the application; however, its use is not easy: on the one hand, the distributor dome is guided along the axis of the valve stem distribution that it is necessary to operate along this axis for its opening while a transverse movement must be given to the device for spreading the product on the surface to be treated, and, further apart, this axial opening force of the valve is carried out against elastic means specific to the dispensing valve and it is difficult to adjust or adjust the distribution of the product.
- the object of the present invention is to propose a device applicator of the above type, which eliminates all the disadvantages above mentioned and which can be realized for a cost price reduced.
- the device according to the invention can be used for the distribution of cosmetic or dermopharmaceutical products but is in no way limited to this type of application: it can be used in all cases where we want to spread a liquid on a surface at using an applicator. In case it is an application topically on the skin of a user, the device according to the invention therefore has the advantage of not requiring any prior return to application, which is an added benefit for the user, in particular for the application of deodorants or antiperspirants in the armpits.
- the dispensing dome may be made of a material ceramic or plastic sintered, in particular of a material obtained by compression of plastic particles; for example, we can use a sinter obtained by compression of calibrated balls of polyethylene, said sintered material having a porosity of between 10 microns and 500 microns.
- the choice of porosity is generally made in taking into account two parameters, on the one hand, the flow rate desired for the liquid to be applied and, on the other hand, the surface finish of the porous dome, which must be compatible with the surface to be treated plans.
- the flow rate is measured passage of a liquid through a given thickness of the sintered under a predetermined pressure difference and we deduce the section equivalent of a pipe ensuring the same flow in the same conditions and therefore, the average diameter of a pore when we know statistically the number of pores per unit area of the dome.
- the dispensing dome is made of a sintered material plastic, it can be made up of synthetic resins such as high or low density polyethylenes, polypropylenes or polyvinyl fluorides, the preferred porosity range being 10 at 200 microns.
- channels which are substantially radial between the internal face of the support and the lower face of the dome distributor, said channels being able to be made in the dome distributor itself and / or in the wall of the support: these channels have the advantage of ensuring a good distribution of the liquid to be distributed for that the external face of the dispensing dome is uniformly supplied by said liquid.
- the application face of the dome distributor has a roughness such that the average Ra of the deviations of roughness is between 0.5 ⁇ m and 100 ⁇ m, preferably between 6 ⁇ m and 50 ⁇ m.
- Another advantage of the device according to the invention comes from the fact that when the valve is opened, the liquid is ejected towards the dome distributor by the pressurizing agent but that given that it is not an aerosol distribution, the pressurizing agent can remain entirely inside the container: there is therefore no risk of air pollution and no destruction of character possibly hypoallergenic of the liquid to be dispensed.
- the distribution is done without generating a cloud of liquid particles likely to be inhaled by the user with a sternutatory effect.
- the device according to the invention does not have no risk of leakage since dead volumes below the dispenser dome are extremely reduced; in case of distribution excessive instantaneous liquid, liquid collects in the area of the distributor dome, which occupies the depressions of the cup where is set up said distributor dome. It is possible for the user to carry out a voluntary overdose by pressing with a finger on the surface of the dispensing dome before applying to the surface to be treated.
- This tank is a cylindrical can of circular cross section, the top of which is shaped like a warhead 2, which carries, at its upper part, a valve cup secured to the container by a crimping bead 3.
- the valve cup carries, along its axis, a distribution valve 4 which, in the case of this example, is a valve comprising a rod emerging 5; valve 4 is opened by tilting lateral of the emerging rod 5; the valve may be of the type marketed by the company "COSTER" under the reference "TR 120-40".
- a peripheral snap groove 6 In the area of junction of the warhead 2 with the cylindrical wall of the tank 1, we have made a peripheral snap groove 6.
- a pressure was conditioned liquid to be dispensed.
- This liquid can be a liquid composition of body deodorant with a viscosity of approximately 0.003 Pa.s.
- the pressurization can be carried out either by putting the liquid directly in contact with the propellant, either by separating the liquid and the gas propellant by a movable piston or by a flexible deformable pocket, which releases, in the latter case, from the obligation to use the device in a determined position, either valve at the top or valve at the bottom.
- the propane gas used was butane, liquid being separated from butane by a movable piston.
- a dispensing head which comprises, on the one hand, a rigid skirt 7, on the other hand, a cup 8, which constitutes the support of a dispensing dome 9 and, finally, a flexible element 10, which connects the cup 8 and the rigid skirt 7.
- the rigid skirt 7 has internally, at its base, an annular latching bead 11, which is intended to cooperate with the latching groove 6 .
- the rigid skirt 7 is connected in the vicinity of its upper edge 7 has a cylindrical wall which constitutes the flexible element 10, the bonding being effected in a rounded area 10 a, whose convexity is turned towards the latching bead 11.
- the rigid skirt 7 and the flexible element 10 have a generally cylindrical shape and constitute coaxial cylinders.
- the flexible element 10 is connected to the cup 8; said cup 8 comprises an annular depression 8 a at the bottom of which there are projections 12 which constitute attachment means for the dispensing dome 9.
- the cup 8 is secured to a nozzle 13 of cylindrical shape, said nozzle comprising along its axis a pipe 14, the lower part 14 a has an enlarged diameter, said part opening to the outside by a frustoconical mouth 14 b .
- the free end of the emerging rod 5 of the valve 4 is forcibly engaged over a few millimeters to obtain a sealed connection between the rod 5 and the end piece 13.
- the distributor dome 9 has been put in place, which is constituted by a polyethylene frit having a porosity of 40 microns.
- the roughness of the distributor dome is such that the average Ra of the roughness differences is of the order of 15 ⁇ m; Ra is the arithmetic mean of the deviations of the real surface from the median surface; this arithmetic mean Ra is given by the formula: in which f (x) is the measurement of the distance from the real surface to the median surface at a point of abscissa x over a length l m , measured using a "SURFTEST 301" device sold by the company "Mitutoyo".
- the user applies the external surface 9a of the dome 9 against the surface to be treated, for example the skin of an armpit if the liquid packaged in the container 1 is a liquid deodorant. It then moves the device laterally with respect to the armpit, which results in a friction force, which causes the deformation of the flexible element 10, and, therefore, a substantially radial displacement of the cup 8 relative to the reservoir 1 and therefore relative to the axis of the valve 4. There follows a lateral tilting of the emerging rod 5 and therefore an opening of the valve 4 with simultaneous ejection of the liquid conditioned under pressure in the reservoir 1.
- the liquid arrives on the internal face 9b of the dispensing dome 9; it is distributed over all of this internal face and, under the effect of the distribution pressure, it passes through the sintering constituting the distributor dome 9 to come flush with the external face 9 a of said dome.
- the liquid is then distributed by friction on the support to be treated, in this case the skin of the armpit; if there is an excess of liquid, the friction force decreases, which causes the valve 4 to close under the effect of the elastic return, which exists inside said valve.
- the device which has just been described, is of an extremely reduced cost price because, the whole of the head of distribution constituted by the skirt 7, the flexible element 10 and the cup 8 can be made in one piece by plastic molding.
- the use of this device is particularly reliable since it there can be no leakage.
- the approval of an application topically using this device is very satisfactory because the user feels a soft and non-greasy application with a freshness effect and the application can be carried out directly without turning prior to the device.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Coating Apparatus (AREA)
- Closures For Containers (AREA)
Description
Claims (8)
- Dispositif applicateur pour liquide comportant un conteneur (1) pour le liquide à appliquer sur une surface à traiter et un dôme distributeur (9) relié audit conteneur par une tête de distribution (7, 8, 10), le dôme distributeur (9) étant réalisé en un matériau poreux adapté à l'application du liquide par simple frottement de la face externe (9a) dudit dôme (9) sur la surface à traiter, le conteneur étant un réservoir (1) pressurisé équipé d'une valve de distribution (4), le dôme distributeur (9) étant porté par un support (8), qui constitue un élément de la tête de distribution et est mécaniquement lié à un embout (13) apte à coopérer avec ladite valve (4) pour provoquer son ouverture sous l'action d'une sollicitation mécanique exercée sur le dôme distributeur (9), le liquide éjecté hors du réservoir (1) pendant ladite ouverture étant canalisé à travers ledit embout (13) vers la face (9b) du dôme distributeur (9) qui est opposée à la face externe (9a) dudit dôme (9), la tête de distribution comportant un organe d'accrochage (7) permettant de solidariser ladite tête avec le réservoir (1) et l'organe d'accrochage étant une jupe rigide (7) fixée sur le réservoir (1) par encliquetage d'une zone d'encliquetage (11), caractérisé par le fait que le matériau poreux, dont est constitué le dôme distributeur (9), est un fritté non déformable.
- Dispositif selon la revendication 1, caractérisé par le fait que le matériau fritté est en céramique.
- Dispositif selon la revendication 2, caractérisé par le fait que le matériau fritté est obtenu par compression de particules de matière plastique.
- Dispositif selon la revendication 3, caractérisé par le fait que les particules de matière plastique sont des particules de polyéthylène haute et basse densité, de polypropylène ou de fluorure de vinyle.
- Dispositif selon l'une des revendications 1 à 4, caractérisé par le fait que le fritté a une porosité comprise entre 10 microns et 500 microns.
- Dispositif selon l'une des revendications 3 ou 4, caractérisé par le fait que le fritté a une porosité comprise entre 10 et 200 microns.
- Dispositif selon l'une des revendications 1 à 6, caractérisé par le fait que la face d'application du dôme distributeur a une rugosité telle que la moyenne arithmétique Ra des écarts de rugosité est comprise entre 0,5 µm et 100 µm, ladite moyenne arithmétique étant définie comme la moyenne arithmétique des écarts de la surface réelle par rapport à la suface médiane.
- Dispositif selon la revendication 1, caractérisé par le fait que la moyenne Ra des écarts de rugosité est comprise entre 6 µm et 50 µm.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314235 | 1993-11-29 | ||
FR9314235A FR2713060B1 (fr) | 1993-11-29 | 1993-11-29 | Dispositif applicateur pour liquide. |
EP94402607A EP0655208B1 (fr) | 1993-11-29 | 1994-11-17 | Dispositif applicateur pour liquide |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94402607A Division EP0655208B1 (fr) | 1993-11-29 | 1994-11-17 | Dispositif applicateur pour liquide |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0875168A2 EP0875168A2 (fr) | 1998-11-04 |
EP0875168A3 EP0875168A3 (fr) | 2000-02-23 |
EP0875168B1 true EP0875168B1 (fr) | 2003-06-25 |
Family
ID=9453312
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98202441A Expired - Lifetime EP0875168B1 (fr) | 1993-11-29 | 1994-11-17 | Dispositif applicateur pour liquide |
EP94402607A Expired - Lifetime EP0655208B1 (fr) | 1993-11-29 | 1994-11-17 | Dispositif applicateur pour liquide |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94402607A Expired - Lifetime EP0655208B1 (fr) | 1993-11-29 | 1994-11-17 | Dispositif applicateur pour liquide |
Country Status (6)
Country | Link |
---|---|
US (1) | US5567073A (fr) |
EP (2) | EP0875168B1 (fr) |
CA (1) | CA2136585C (fr) |
DE (2) | DE69432872T2 (fr) |
ES (2) | ES2133510T3 (fr) |
FR (1) | FR2713060B1 (fr) |
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FR2737707B1 (fr) * | 1995-08-08 | 1997-09-12 | Oreal | Ensemble d'application d'un produit fluide ou solide |
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FR2746270B1 (fr) * | 1996-03-21 | 1998-10-30 | Oreal | Ensemble d'application d'un produit fluide ou solide |
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DE3641192A1 (de) * | 1986-12-03 | 1988-06-09 | Mitsubishi Pencil Co | Schreib- oder malgeraet |
DE3879951T2 (de) * | 1988-12-22 | 1993-09-16 | Artebel Sa | Betaetigungsvorrichtung zum auftragen einer fluessigkeit. |
FR2647034B1 (fr) * | 1989-05-18 | 1991-09-06 | Oreal | Dispositif applicateur pour liquide, comportant un dome en matiere poreuse |
US5230579A (en) | 1991-06-19 | 1993-07-27 | Carter-Wallace, Inc. | Porous dome applicator with push/pull cap |
-
1993
- 1993-11-29 FR FR9314235A patent/FR2713060B1/fr not_active Expired - Fee Related
-
1994
- 1994-11-17 DE DE69432872T patent/DE69432872T2/de not_active Expired - Lifetime
- 1994-11-17 EP EP98202441A patent/EP0875168B1/fr not_active Expired - Lifetime
- 1994-11-17 EP EP94402607A patent/EP0655208B1/fr not_active Expired - Lifetime
- 1994-11-17 ES ES94402607T patent/ES2133510T3/es not_active Expired - Lifetime
- 1994-11-17 DE DE69419481T patent/DE69419481T2/de not_active Expired - Lifetime
- 1994-11-17 ES ES98202441T patent/ES2196478T3/es not_active Expired - Lifetime
- 1994-11-24 CA CA002136585A patent/CA2136585C/fr not_active Expired - Lifetime
- 1994-11-28 US US08/348,983 patent/US5567073A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2133510T3 (es) | 1999-09-16 |
EP0875168A2 (fr) | 1998-11-04 |
US5567073A (en) | 1996-10-22 |
DE69432872T2 (de) | 2003-12-18 |
FR2713060A1 (fr) | 1995-06-09 |
DE69432872D1 (de) | 2003-07-31 |
DE69419481D1 (de) | 1999-08-19 |
EP0655208A1 (fr) | 1995-05-31 |
DE69419481T2 (de) | 1999-11-18 |
CA2136585A1 (fr) | 1995-05-30 |
ES2196478T3 (es) | 2003-12-16 |
CA2136585C (fr) | 1999-02-02 |
FR2713060B1 (fr) | 1996-02-02 |
EP0655208B1 (fr) | 1999-07-14 |
EP0875168A3 (fr) | 2000-02-23 |
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