EP2004005A1 - Device for applying an alum solution to the body - Google Patents

Device for applying an alum solution to the body

Info

Publication number
EP2004005A1
EP2004005A1 EP07710812A EP07710812A EP2004005A1 EP 2004005 A1 EP2004005 A1 EP 2004005A1 EP 07710812 A EP07710812 A EP 07710812A EP 07710812 A EP07710812 A EP 07710812A EP 2004005 A1 EP2004005 A1 EP 2004005A1
Authority
EP
European Patent Office
Prior art keywords
chamber
pump
solution
alum
crystals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07710812A
Other languages
German (de)
French (fr)
Other versions
EP2004005B1 (en
Inventor
Francis Verdan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Switzverdan Corp
Original Assignee
Switzverdan Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Switzverdan Corp filed Critical Switzverdan Corp
Publication of EP2004005A1 publication Critical patent/EP2004005A1/en
Application granted granted Critical
Publication of EP2004005B1 publication Critical patent/EP2004005B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0059—Components or details allowing operation in any orientation, e.g. for discharge in inverted position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/0068—Jars
    • A45D40/0075—Jars with dispensing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0078—Arrangements for separately storing several components
    • B05B11/0081—Arrangements for separately storing several components and for mixing the components in a common container as a mixture ready for use before discharging the latter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle

Definitions

  • the present invention relates to the field of devices intended to apply saturated solutions of alum, on the skin, essentially as deodorants, these solutions may of course contain other ingredients, such as alcohol, preservatives, or any other agent, for example antiperspirants.
  • the solution being saturated it necessarily contains undissolved alum crystals.
  • the ammonium alum crystals have a density of 1.65
  • the potassium alum crystals have a density of 1.73, the difference is minimal, and the invention therefore applies to any type of saturated solution. 'alum.
  • Devices composed of a vial, preferably transparent, containing a saturated solution of alum, in which are bathed undissolved alum crystals, and which are provided with a manual pusher pump for projecting spray jets from the solution to the part of the body that the user aims at.
  • a manual pusher pump for projecting spray jets from the solution to the part of the body that the user aims at.
  • said pump is removably attached to the top of the bottle, usually by a thread.
  • the solvent of the solution is preferably water.
  • Still other documents propose to include in the bottle a second sealed chamber and more or less flexible containing the solution to be dispensed, which deforms as the liquid it contains is pumped.
  • This is the case for example US 3,089,624 Micallef, US 3,257,036 Micallef and US 4,322,020 Stone.
  • the lack of these solutions lies in particular in the need to introduce and fix in the bottle a second chamber, which seems rather complex.
  • the present invention aims to provide an apparatus that avoids the aforementioned drawbacks, that is to say an apparatus that allows to extract almost all the alum solution while minimizing the risk of blockage of the pump by crystals , as well as a use of the bottle in all positions, even completely reversed.
  • the apparatus for applying an alum solution according to the invention comprising at least a first chamber capable of containing a saturated solution of alum and alum crystals.
  • a pump that can be actuated by at least one pusher and making it possible to emit part of the solution to a part of the body, the pump having at least one inlet connecting the pump to the first chamber, is characterized in that it comprises at least one second chamber in the upper part of which said inlet opens directly or via at least one duct provided with at least one suction point, said second chamber extending towards the bottom of said first chamber, at least one passage being arranged in the lower portion of said second chamber so as to communicate the interior volume of said second chamber with said first chamber, said upper portion being attached directly or indirectly in a sealed manner to the top of the first chamber or to the pump, so as to to prevent any transfer of said alum solution between said chambers by a route other than said passage.
  • the apparatus according to the invention is characterized in that the interior volume of the second chamber between the inlet and the highest point of the passage represents at least three times the volume of alum solution that the pump can extract during a single stroke of the pusher.
  • the apparatus according to the invention is characterized in that the second chamber has the shape of a hollow cylinder, the passage being constituted by the lower opening of said cylinder.
  • the apparatus according to the invention is characterized in that a filter is fixed before the suction point.
  • the apparatus according to the invention is characterized in that the distance between the bottom of the second chamber and the bottom of the the first chamber is smaller than the inner diameter of said cylinder.
  • the apparatus according to the invention is characterized in that the chambers contain a saturated solution of alum and crystals of 'alum.
  • the apparatus according to the invention is characterized in that the second chamber is transparent.
  • the apparatus according to the invention is characterized in that the filter is placed in the upper part of the second chamber.
  • Figure 1 is a vertical section of an apparatus in a first embodiment of the invention, in a vertical position, the pump being at the top.
  • Figure 2 is an enlarged view of the lower part of the pump shown in Figure 1, with the second chamber surrounding it according to the invention.
  • FIG. 3 is a section like that of FIG. 1, but in which the apparatus is in an inclined position, the pump being at the bottom, and at the inlet of which a filter has been added, in order to avoid the intrusion of mini-crystals in the pump.
  • the apparatus comprises at least a first chamber 1, whose walls are preferably transparent, that is to say practically made of plastic material or glass, and which is provided with a threaded neck on which is screwed a manual pump 4.
  • This pump 4 shown schematically, and in particular without the springs, is of a current model. It is actuated by a pusher 5.
  • the first chamber 1 is filled with a saturated solution of alum 2.
  • the solvent is preferably water.
  • alum crystals 3 which ensure a constant saturation of the solution, even after several additions of water in the chamber, until their complete dissolution.
  • the filling of the bottle is done by the neck, after unscrewing the pump. This is manually operated by the pusher 5.
  • the details of the pump are not shown here.
  • the inlet of the pump 6, under the ball which operates as a valve, however, is visible in particular in Figure 2.
  • the inlet 6 of the pump is extended by a conduit 7 which moves the suction point 16 at the end of this conduit.
  • This conduit has a diameter corresponding substantially to that of the valve ball.
  • a suction tube 15 is placed in the bore of the conduit 7, and extends to the bottom of the bottle, as is the case in document PCT / CH8900104 Verdan. As we have seen, when there are solids in the solution, these fine ducts forcefully suck the mini-crystals present in the solution. The conduit drives the mini-crystals into the pump, preventing it from operating properly.
  • the apparatus comprises at least a second chamber 8, which here has the shape of a cylindrical pipe, but which could have other shapes.
  • the second chamber surrounds by its upper end 9 the bottom of the pump 4. There is no gap between this upper end 9 and the bottom of the pump, so that the fixing between the bottom of the pump and the upper end 9 is sealed and prevents any passage of the alum solution from the top of the second chamber 8.
  • the second chamber 8 extends to the bottom 10 of the first chamber 1.
  • a passage 11 however opens to pass the solution through the lower end 12. In this case, the passage 11 is simply constituted by the lower opening of said second chamber.
  • the solution can pass inside 13 of the second chamber 8 through this passage 11 because of the distance, preferably quite small, which is formed between the lower end 12 of the second chamber and the bottom 10 of the first chamber .
  • the volume of the second chamber It is necessary and essential for the volume of the second chamber to be large enough and to size it so that the volume of alum solution 2 extracted during a single full thrust of the pusher 5 is no more than a relatively small fraction of the volume contained in the second chamber 8.
  • a single push of the pusher carries all the contents of the tube, and even more. It follows a very fast current, which drives the small crystals towards the entrance of the pump and the valve, and tends to clog them.
  • a thrust of the pusher causes only a portion of the solution which is located at the top of the the second bedroom. A current occurs of course, but it is almost zero and much less strong than the current produced in the known devices.
  • the small crystals are almost not entrained in the second chamber 8 and they do not rise substantially towards the pump, which eliminates the risk of crystals being present around the suction point 16.
  • the crystals remain at the bottom of the bottle and never come into contact with the suction point 16 of the pump.
  • the liquid will remain in the second chamber up to the height of the suction point 16 even if the liquid level is lower than said suction point in the first chamber. This is because the second chamber 8 is sealed at its uppermost point, thereby preventing the liquid in the pump from escaping, the air not being able to enter to replace the liquid.
  • the second chamber 8 will thus remain full until complete use of the liquid contained in the first chamber.
  • the amount of alum solution 2 that is inside the second chamber is sufficient to provide multiple applications in the inverted position where the pump is down.
  • the internal volume 13 of the second chamber 8 represents at least three times the volume of alum solution that the pump can extract during a single stroke of the pusher 5, that is to say during operation of pushing the pusher 5 from its highest point to its lowest point, without reverse movement, that is to say again without the user lifts the finger during the operation.
  • This allows the user, for example, to easily use the apparatus for application on the feet which generally requires an inverted position of the bottle.
  • the invention which can be easily produced with known means, can be used in the cosmetics industry and is used for the application of an alum solution as a deodorant.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Telephone Function (AREA)
  • Sampling And Sample Adjustment (AREA)
  • External Artificial Organs (AREA)

Abstract

This device for applying a deodorant comprises a chamber (1) which is a transparent bottle, which contains a saturated alum solution (2) and alum crystals (3). The device is equipped with a conventional hand pump (4) provided with a push-button (5) to allow the solution to be extracted and sprayed onto the body. The bottom of the pump has an inlet (6) via which the solution is drawn up when the pump is operated. A cylindrical second chamber (8) is fixed around the bottom of the pump via its upper end (9). The lower end (12) of the second chamber extends down to the bottom (10) of the bottle, but leaving a gap to allow the solution drawn up by the pump to pass through the passage (11) left open. The interior volume (13) of the second chamber (8) is at least three times greater than the volume of the solution that the pump can extract in a single press of the push-button. Each time the push-button is pressed, the pump therefore extracts only the top portion contained in the second chamber, which means that the small crystals, which are not carried up as high as this, do not block the pump. The volume of solution contained in the second chamber allows several applications in the inverted position.

Description

Appareil pour l'application d'une solution d'alun sur le corps Apparatus for applying an alum solution to the body
Domaine techniqueTechnical area
La présente invention a trait au domaine des appareils destinés à appliquer des solutions saturées d'alun, sur la peau, essentiellement comme déodorants, ces solutions pouvant bien entendu contenir d'autres ingrédients, tels que de l'alcool, des agents conservateurs, ou tout autre agent, par exemple des agents antiperspirants. La solution étant saturée, elle contient nécessairement des cristaux d'alun non dissous. Les cristaux d'alun d'ammonium ayant une densité de 1,65, et les cristaux d'alun de potasse une densité de 1,73, la différence est minime et l'invention s'applique donc à tout type de solution saturée d'alun.The present invention relates to the field of devices intended to apply saturated solutions of alum, on the skin, essentially as deodorants, these solutions may of course contain other ingredients, such as alcohol, preservatives, or any other agent, for example antiperspirants. The solution being saturated, it necessarily contains undissolved alum crystals. As the ammonium alum crystals have a density of 1.65, and the potassium alum crystals have a density of 1.73, the difference is minimal, and the invention therefore applies to any type of saturated solution. 'alum.
Technique antérieurePrior art
On connaît des dispositifs composés d'un flacon, de préférence transparent, contenant une solution saturée d'alun, dans laquelle baignent des cristaux d'alun non dissous, et qui sont munis d'une pompe manuelle à poussoir permettant de projeter des jets pulvérisés de la solution vers la partie du corps que vise l'utilisateur. Comme dans l'immense majorité des appareils pulvérisateurs à pompe manuelle, ladite pompe est fixée de manière amovible sur le haut du flacon, en général par un pas de vis. Le solvant de la solution est de préférence de l'eau. Lorsque le niveau de la solution d'alun est bas, il suffit à l'utilisateur de dévisser la pompe et de remplir le flacon d'eau. Une partie des cristaux présents dans le flacon se dissout, jusqu'au point de saturation. Comme l'eau est disponible presque partout, le plus souvent gratuitement, l'utilisateur peut recharger son appareil plusieurs fois, jusqu'au moment où la réserve de cristaux est complètement dissoute. Cela permet de donner à l'appareil des dimensions réduites, ce qui le rend aisément transportable et par conséquent pratique. De plus, le point de saturation de la solution croît avec la température. L'effet déodorant de l'application croît donc avec la température, ce qui correspond aux nécessités naturelles. Un tel appareil, proposé dans la demande PCT/CH89/00104 Verdan (publication WO89/11849), a été repris dans le brevet US 5 544 682 McDaniel et dans les brevets correspondants, ainsi que dans le brevet EP 0 852 210 Valois. Dans chacune de ces publications, la pompe à poussoir vissée sur le haut du flacon contenant la solution d'alun est munie d'un tube qui plonge vers le fond du flacon, de façon classique, pour que le pompage de la solution reste possible même lorsque le niveau est bas. Dans les dispositifs PCT/CH89/00104 Verdan et EP 0 852 210 Valois, le tube plonge presque sur toute la longueur du flacon et son extrémité inférieure arrive à une faible distance du fond. Afin d'éviter que la pompe n'aspire de petits cristaux et ne se bouche, l'extrémité inférieure du tube est pourvue d'un filtre. L'usage de ce dispositif s'est cependant révélé décevant, car de petits cristaux s'agglutinent sur le filtre et le bouchent au bout d'un temps relativement bref. Pour éviter cet inconvénient, le brevet US 5 544 682 McDaniel propose simplement de raccourcir le tube, en l'arrêtant à mi-hauteur de la solution. C'est effectivement sous cette forme que le produit est commercialisé. Les cristaux d'alun, qui ont un poids spécifique d'environ 1,7, se déposent au fond du flacon. Dans la partie supérieure de la solution, la quantité de cristaux est largement inférieure, voire nulle, car les cristaux sédimentent rapidement. Le tube raccourci ne pompe donc que dans cette partie supérieure, et le risque d'aspirer un cristal est faible. L'inconvénient de cette proposition réside dans le fait que la moitié de la solution d'alun reste hors de portée de la pompe, et qu'il est donc nécessaire de recharger le flacon deux fois plus souvent (ou de transporter un flacon deux fois plus volumineux).Devices are known composed of a vial, preferably transparent, containing a saturated solution of alum, in which are bathed undissolved alum crystals, and which are provided with a manual pusher pump for projecting spray jets from the solution to the part of the body that the user aims at. As in the vast majority of hand pump sprayers, said pump is removably attached to the top of the bottle, usually by a thread. The solvent of the solution is preferably water. When the level of the alum solution is low, it suffices for the user to unscrew the pump and fill the bottle with water. Part of the crystals present in the bottle dissolve to the point of saturation. Since water is available almost everywhere, most often for free, the user can recharge his device several times, until the crystal pool is completely dissolved. This allows the device to reduce dimensions, which makes it easily transportable and therefore practical. In addition, the saturation point of the solution increases with temperature. The deodorant effect of the application therefore increases with temperature, which corresponds to natural requirements. Such an apparatus proposed in application PCT / CH89 / 00104 Verdan (publication WO89 / 11849) has been incorporated in US Pat. No. 5,544,682 McDaniel and the corresponding patents, as well as in EP 0 852 210 Valois. In each of these publications, the pusher pump screwed onto the top of the bottle containing the alum solution is provided with a tube which plunges towards the bottom of the bottle, in a conventional manner, so that the pumping of the solution remains possible even when the level is low. In the PCT / CH89 / 00104 Verdan and EP 0 852 210 Valois devices, the tube plunges almost the entire length of the bottle and its lower end reaches a short distance from the bottom. In order to prevent the pump from sucking small crystals and clogging, the lower end of the tube is provided with a filter. The use of this device, however, has proved disappointing because small crystals clump on the filter and clog after a relatively short time. To avoid this drawback, McDaniel US Pat. No. 5,544,682 simply proposes to shorten the tube, stopping it halfway up the solution. It is actually in this form that the product is marketed. The alum crystals, which have a specific gravity of about 1.7, are deposited at the bottom of the bottle. In the upper part of the solution, the quantity of crystals is much lower, or even zero, because the crystals sediment rapidly. The shortened tube therefore pumps only in this upper part, and the risk of sucking a crystal is low. The disadvantage of this proposal lies in the fact that half of the alum solution remains out of reach of the pump, and it is therefore necessary to reload the bottle twice more often (or to carry a bottle twice). larger).
Par ailleurs, c'est un problème général, et dont la solution a fait l'objet de nombreuses propositions, que de permettre à l'utilisateur d'employer son nébuliseur non seulement dans une position dans laquelle la pompe est en haut, mais également lorsque le flacon est incliné ou retourné, et que la pompe est en bas. A cet égard, l'idée de couper le tube qui alimente la pompe à mi-hauteur du flacon constitue une solution partielle : elle fonctionne seulement jusqu'au moment où le flacon est à moitié vide. Parmi les autres solutions proposées, on peut mentionner le document US 5 934 519 Kim, dans lequel le tube de succion, qui est souple, est pourvu à son extrémité d'un poids qui entraîne cette extrémité au point le plus bas du flacon, quelle que soit la position de ce dernier. On retrouve cette solution dans le document US 6 394 319 Pucillo et EP 1 527 823 Saint-Gobin Calmar hic. L'inconvénient de cette solution est le même que dans le document PCT/CH89/00104 Verdan : dans une solution saturée d'alun, le bout du tube, muni ou non d'un filtre, sera bouché à bref délai, car le filtre se trouve toujours dans le secteur où se trouve la plus grande quantité de cristaux. Il est vrai que ces propositions ne sont pas présentées pour l'application de solutions saturées d'alun. D'autres documents proposent des flacons, qui ne sont pas non plus destinés à l'application d'une solution saturée d'alun, dans lesquels le tube d'aspiration présente plusieurs branches, dont l'un débouche dans le bas du flacon et une ou plusieurs autres dans d'autres secteurs, notamment en haut du flacon. C'est le cas par exemple des documents US2 630 942 Shaffer, US 3 545 488 Venus, ou US 5 624 060 Ellion. L'inconvénient de ces propositions tient notamment dans la nécessité de produire des tubes d'aspiration assez complexes. De plus, l'inconvénient cité plus haut du risque de bouchage dans le cas d'une application de ces propositions à la nébulisation d'une solution saturée d'alun demeure. D'autres documents proposent de diviser le flacon en plusieurs compartiments, de façon que l'un au moins retienne le liquide même en position inversée. C'est le cas des documents US 2004/0112922 Ouellette et US 5 518 150 Witt. Ni l'une ni l'autre de ces deux solutions ne permet cependant une utilisation lorsque le flacon est complètement renversé, à la verticale. De plus, l'utilisation d'un flacon standard est impossible. D'autres documents encore proposent d'inclure dans le flacon une seconde chambre étanche et plus ou moins souple contenant la solution à dispenser, qui se déforme à mesure que le liquide qu'elle contient est pompé. C'est le cas par exemple des documents US 3 089 624 Micallef, US 3 257 036 Micallef et US 4 322 020 Stone. Le défaut de ces solutions réside notamment dans la nécessité d'introduire et de fixer dans le flacon une seconde chambre, ce qui paraît assez complexe. La présente invention vise à fournir un appareil qui évite les inconvénients susmentionnés, c'est-à-dire un appareil qui permette d'extraire la quasi totalité de la solution d'alun tout en minimisant le risque de bouchage de la pompe par des cristaux, ainsi qu'une utilisation du flacon dans toutes les positions, même complètement inversée.Moreover, it is a general problem, the solution of which has been the subject of many proposals, to allow the user to use his nebulizer not only in a position in which the pump is at the top, but also when the bottle is tilted or turned over, and the pump is down. In this regard, the idea of cutting the tube that feeds the pump halfway up the bottle is a partial solution: it only works until the bottle is half empty. Among the other proposed solutions, mention may be made of US Pat. No. 5,934,519 Kim, in which the suction tube, which is flexible, is provided at its end with a weight which drives this end to the lowest point of the bottle, which whatever the position of the latter. This solution is found in US Pat. No. 6,394,319 to Pucillo and EP 1,527,823 to Saint-Gobin Calmar et al. The disadvantage of this solution is the same as in the document PCT / CH89 / 00104 Verdan: in a solution saturated with alum, the end of the tube, provided or not with a filter, will be plugged at short delay, because the filter is always in the sector where is the biggest amount of crystals. It is true that these proposals are not presented for the application of saturated solutions of alum. Other documents propose flasks, which are also not intended for the application of a saturated alum solution, in which the suction tube has several branches, one of which opens into the bottom of the flask and one or more others in other sectors, especially at the top of the bottle. This is the case for example US2,630,942 Shaffer, US 3,545,488 Venus, or US 5,624,060 Ellion. The disadvantage of these proposals is in particular the need to produce fairly complex suction tubes. In addition, the disadvantage mentioned above of the risk of clogging in the case of an application of these proposals to the nebulization of a saturated solution of alum remains. Other documents propose dividing the bottle into several compartments, so that at least one retains the liquid even in the inverted position. This is the case of documents US 2004/0112922 Ouellette and US 5,518,150 Witt. Neither of these two solutions, however, allows use when the bottle is completely inverted, vertically. In addition, the use of a standard bottle is impossible. Still other documents propose to include in the bottle a second sealed chamber and more or less flexible containing the solution to be dispensed, which deforms as the liquid it contains is pumped. This is the case for example US 3,089,624 Micallef, US 3,257,036 Micallef and US 4,322,020 Stone. The lack of these solutions lies in particular in the need to introduce and fix in the bottle a second chamber, which seems rather complex. The present invention aims to provide an apparatus that avoids the aforementioned drawbacks, that is to say an apparatus that allows to extract almost all the alum solution while minimizing the risk of blockage of the pump by crystals , as well as a use of the bottle in all positions, even completely reversed.
Exposé de l'inventionPresentation of the invention
Dans sa forme d'exécution la plus générale, l'appareil pour l'application d'une solution d'alun selon l'invention, comprenant au moins une première chambre apte à contenir une solution saturée d'alun et des cristaux d'alun, une pompe apte à être actionnée par au moins un poussoir et permettant d'émettre une partie de la solution vers une partie du corps, la pompe présentant au moins une entrée reliant la pompe à la première chambre, est caractérisé en ce qu'il comprend au moins une seconde chambre dans la partie supérieure de laquelle ladite entrée débouche directement ou par l'intermédiaire d'au moins un conduit pourvu d'au moins un point de succion, ladite seconde chambre s 'étendant vers le fond de ladite première chambre, au moins un passage étant ménagé dans la partie inférieure de ladite seconde chambre de façon à faire communiquer le volume intérieur de ladite seconde chambre avec ladite première chambre, ladite partie supérieure étant fixée directement ou indirectement de manière étanche au haut de la première chambre ou à la pompe, de façon à empêcher tout transfert de ladite solution d'alun entre lesdites chambres par une autre voie que ledit passage.In its most general embodiment, the apparatus for applying an alum solution according to the invention, comprising at least a first chamber capable of containing a saturated solution of alum and alum crystals. , a pump that can be actuated by at least one pusher and making it possible to emit part of the solution to a part of the body, the pump having at least one inlet connecting the pump to the first chamber, is characterized in that it comprises at least one second chamber in the upper part of which said inlet opens directly or via at least one duct provided with at least one suction point, said second chamber extending towards the bottom of said first chamber, at least one passage being arranged in the lower portion of said second chamber so as to communicate the interior volume of said second chamber with said first chamber, said upper portion being attached directly or indirectly in a sealed manner to the top of the first chamber or to the pump, so as to to prevent any transfer of said alum solution between said chambers by a route other than said passage.
Dans une première forme particulière d'exécution de l'invention, l'appareil selon l'invention est caractérisé en ce que le volume intérieur de la seconde chambre entre l'entrée et le point le plus haut du passage représente au moins trois fois le volume de solution d'alun que la pompe peut extraire au cours d'une seule course du poussoir.In a first particular embodiment of the invention, the apparatus according to the invention is characterized in that the interior volume of the second chamber between the inlet and the highest point of the passage represents at least three times the volume of alum solution that the pump can extract during a single stroke of the pusher.
Dans une deuxième forme particulière d'exécution de l'invention, applicable à la précédente aussi bien qu'à la forme générale, l'appareil selon l'invention est caractérisé en ce que la seconde chambre a la forme d'un cylindre creux, le passage étant constitué par l'ouverture inférieure dudit cylindre.In a second particular embodiment of the invention, applicable to the preceding as well as to the general form, the apparatus according to the invention is characterized in that the second chamber has the shape of a hollow cylinder, the passage being constituted by the lower opening of said cylinder.
Dans une troisième forme particulière d'exécution de l'invention, applicable aux précédentes aussi bien qu'à la forme générale, l'appareil selon l'invention est caractérisé en ce qu'un filtre est fixé avant le point de succion.In a third particular embodiment of the invention, applicable to the above as well as to the general form, the apparatus according to the invention is characterized in that a filter is fixed before the suction point.
Dans une quatrième forme particulière d'exécution de l'invention, applicable aux précédentes aussi bien qu'à la forme générale, l'appareil selon l'invention est caractérisé en ce que la distance entre le bas de la seconde chambre et le fond de la première chambre est inférieure au diamètre intérieur dudit cylindre.In a fourth particular embodiment of the invention, applicable to the above as well as to the general form, the apparatus according to the invention is characterized in that the distance between the bottom of the second chamber and the bottom of the the first chamber is smaller than the inner diameter of said cylinder.
Dans une cinquième forme particulière d'exécution de l'invention, applicable aux précédentes aussi bien qu'à la forme générale, l'appareil selon l'invention est caractérisé en ce que les chambres contiennent une solution saturée d'alun et des cristaux d'alun. Dans une sixième forme particulière d'exécution de l'invention, applicable aux précédentes aussi bien qu'à la forme générale, l'appareil selon l'invention est caractérisé en ce que la seconde chambre est transparente.In a fifth particular embodiment of the invention, applicable to the above as well as to the general form, the apparatus according to the invention is characterized in that the chambers contain a saturated solution of alum and crystals of 'alum. In a sixth particular embodiment of the invention, applicable to the previous as well as to the general form, the apparatus according to the invention is characterized in that the second chamber is transparent.
Dans une quatrième forme particulière d'exécution de l'invention, applicable aux précédentes aussi bien qu'à la forme générale, l'appareil selon l'invention est caractérisé en ce que le filtre est placé dans la partie supérieure de la seconde chambre.In a fourth particular embodiment of the invention, applicable to the previous as well as to the general form, the apparatus according to the invention is characterized in that the filter is placed in the upper part of the second chamber.
Description sommaire des dessinsBrief description of the drawings
Les dessins représentent deux formes d'exécution de l'invention.The drawings represent two embodiments of the invention.
La figure 1 est une coupe verticale d'un appareil dans une première forme d'exécution de l'invention, en position verticale, la pompe étant en haut.Figure 1 is a vertical section of an apparatus in a first embodiment of the invention, in a vertical position, the pump being at the top.
La figure 2 est une vue agrandie de la partie inférieure de la pompe représentée à la figure 1, avec la seconde chambre qui l'entoure selon l'invention.Figure 2 is an enlarged view of the lower part of the pump shown in Figure 1, with the second chamber surrounding it according to the invention.
La figure 3 est une coupe comme celle de la figure 1, mais dans laquelle l'appareil est en position inclinée, la pompe étant en bas, et à l'entrée de laquelle on a ajouté un filtre, afin d'éviter l'intrusion de mini-cristaux dans la pompe.FIG. 3 is a section like that of FIG. 1, but in which the apparatus is in an inclined position, the pump being at the bottom, and at the inlet of which a filter has been added, in order to avoid the intrusion of mini-crystals in the pump.
Meilleure manière de réaliser l'inventionBest way to realize the invention
L'appareil comprend au moins une première chambre 1, dont les parois sont de préférence transparentes, c'est-à-dire en pratique en matériau plastique ou en verre, et qui est pourvue d'un col fileté sur lequel vient se visser une pompe manuelle 4. Cette pompe 4, représentée schématiquement, et notamment sans les ressorts, est d'un modèle courant. Elle est actionnée par un poussoir 5. La première chambre 1 est remplie d'une solution saturée d'alun 2. Le solvant est de préférence de l'eau. Dans cette solution baignent des cristaux d'alun 3, qui assurent une saturation constante de la solution, même après plusieurs ajouts d'eau dans la chambre, jusqu'à leur dissolution complète. Bien entendu, le remplissage du flacon se fait par le col, après dévissage de la pompe. Celle-ci est actionnée manuellement par le poussoir 5. Les détails de la pompe ne sont pas représentés ici. L'entrée de la pompe 6, sous la bille qui fonctionne comme soupape, est cependant visible notamment à la figure 2. Dans la forme d'exécution montrée ici, l'entrée 6 de la pompe est prolongé par un conduit 7 qui déplace le point de succion 16 au bout de ce conduit. Ce conduit a un diamètre correspondant sensiblement à celui de la bille de soupape. Le plus souvent, un tube d'aspiration 15 est placé dans l'alésage du conduit 7, et se prolonge jusqu'au fond du flacon, comme c'est le cas dans le document PCT/CH8900104 Verdan. Comme on l'a vu, lorsqu'il y a des solides dans la solution, ces conduits fins aspirent avec force les mini-cristaux présents dans la solution. Le conduit entraîne les mini-cristaux dans la pompe, empêchant celle-ci d'opérer correctement.The apparatus comprises at least a first chamber 1, whose walls are preferably transparent, that is to say practically made of plastic material or glass, and which is provided with a threaded neck on which is screwed a manual pump 4. This pump 4, shown schematically, and in particular without the springs, is of a current model. It is actuated by a pusher 5. The first chamber 1 is filled with a saturated solution of alum 2. The solvent is preferably water. In this solution are bathed alum crystals 3, which ensure a constant saturation of the solution, even after several additions of water in the chamber, until their complete dissolution. Of course, the filling of the bottle is done by the neck, after unscrewing the pump. This is manually operated by the pusher 5. The details of the pump are not shown here. The inlet of the pump 6, under the ball which operates as a valve, however, is visible in particular in Figure 2. In the embodiment shown here, the inlet 6 of the pump is extended by a conduit 7 which moves the suction point 16 at the end of this conduit. This conduit has a diameter corresponding substantially to that of the valve ball. Most often, a suction tube 15 is placed in the bore of the conduit 7, and extends to the bottom of the bottle, as is the case in document PCT / CH8900104 Verdan. As we have seen, when there are solids in the solution, these fine ducts forcefully suck the mini-crystals present in the solution. The conduit drives the mini-crystals into the pump, preventing it from operating properly.
Pour éviter cet effet de bouchage, l'appareil selon l'invention comprend au moins une seconde chambre 8, qui a ici la forme d'un tuyau cylindrique, mais qui pourrait avoir d'autres formes. La seconde chambre entoure par son extrémité supérieure 9 le bas de la pompe 4. Il n'y a pas d'interstice entre cette extrémité supérieure 9 et le bas de la pompe, de sorte que la fixation entre le bas de la pompe et l'extrémité supérieure 9 est étanche et empêche tout passage de la solution d'alun par le haut de la seconde chambre 8. La seconde chambre 8 s'étend jusqu'au fond 10 de la première chambre 1. Un passage 11 s'ouvre cependant pour laisser passer la solution par cette extrémité inférieure 12. Dans le cas présent, le passage 11 est simplement constitué par l'ouverture inférieure de ladite seconde chambre. La solution peut passer à l'intérieur 13 de la seconde chambre 8 par ce passage 11 du fait de la distance, de préférence assez faible, qui est ménagée entre l'extrémité inférieure 12 de la seconde chambre et le fond 10 de la première chambre.To avoid this clogging effect, the apparatus according to the invention comprises at least a second chamber 8, which here has the shape of a cylindrical pipe, but which could have other shapes. The second chamber surrounds by its upper end 9 the bottom of the pump 4. There is no gap between this upper end 9 and the bottom of the pump, so that the fixing between the bottom of the pump and the upper end 9 is sealed and prevents any passage of the alum solution from the top of the second chamber 8. The second chamber 8 extends to the bottom 10 of the first chamber 1. A passage 11 however opens to pass the solution through the lower end 12. In this case, the passage 11 is simply constituted by the lower opening of said second chamber. The solution can pass inside 13 of the second chamber 8 through this passage 11 because of the distance, preferably quite small, which is formed between the lower end 12 of the second chamber and the bottom 10 of the first chamber .
II est nécessaire et essentiel que le volume de la seconde chambre soit suffisamment important et de dimensionner celle-ci de telle sorte que le volume de solution d'alun 2 extrait au cours d'une seule poussée complète du poussoir 5 ne représente plus qu'une fraction relativement faible du volume contenu dans la seconde chambre 8. Dans les dispositifs actuellement connus, dans lesquels le tube de succion est fin, une seule poussée du poussoir emporte la totalité du contenu du tube, et même plus. Il s'ensuit un courant très rapide, qui entraîne les petits cristaux vers l'entrée de la pompe et de la soupape, et tend à les boucher. Au contraire, dans l'appareil selon l'invention, une poussée du poussoir n'entraîne qu'une portion de la solution qui est située en haut de la seconde chambre. Un courant se produit bien entendu, mais il est quasi nul et bien moins fort que le courant produit dans les dispositifs connus. Il s'ensuit que les petits cristaux ne sont presque pas entraînés dans la seconde chambre 8 et qu'ils ne montent pratiquement pas en direction de la pompe, ce qui élimine le risque que des cristaux soient présents autour du point de succion 16. En raison de la force de gravité, les cristaux restent au fond du flacon et ne sont jamais en contact avec le point de succion 16 de la pompe. Par contre, le liquide quant à lui restera dans la seconde chambre jusqu'à la hauteur du point de succion 16 même si le niveau du liquide est plus bas que ledit point de succion dans la première chambre. Cela est dû au fait que la seconde chambre 8 est fermée hermétiquement dans son point le plus haut, empêchant ainsi le liquide présent dans la pompe de s'évacuer, l'air ne pouvant pas entrer pour remplacer le liquide. La seconde chambre 8 restera ainsi pleine jusqu'à complète utilisation du liquide contenu dans la première chambre.It is necessary and essential for the volume of the second chamber to be large enough and to size it so that the volume of alum solution 2 extracted during a single full thrust of the pusher 5 is no more than a relatively small fraction of the volume contained in the second chamber 8. In the currently known devices, in which the suction tube is thin, a single push of the pusher carries all the contents of the tube, and even more. It follows a very fast current, which drives the small crystals towards the entrance of the pump and the valve, and tends to clog them. On the contrary, in the apparatus according to the invention, a thrust of the pusher causes only a portion of the solution which is located at the top of the the second bedroom. A current occurs of course, but it is almost zero and much less strong than the current produced in the known devices. As a result, the small crystals are almost not entrained in the second chamber 8 and they do not rise substantially towards the pump, which eliminates the risk of crystals being present around the suction point 16. In Because of the force of gravity, the crystals remain at the bottom of the bottle and never come into contact with the suction point 16 of the pump. On the other hand, the liquid will remain in the second chamber up to the height of the suction point 16 even if the liquid level is lower than said suction point in the first chamber. This is because the second chamber 8 is sealed at its uppermost point, thereby preventing the liquid in the pump from escaping, the air not being able to enter to replace the liquid. The second chamber 8 will thus remain full until complete use of the liquid contained in the first chamber.
Le bouchage partiel ou complet de la pompe est ainsi évité pratiquement complètement.Partial or complete blockage of the pump is thus avoided almost completely.
En outre, comme le montre la figure 3, la quantité de solution d'alun 2 qui est à l'intérieur de la seconde chambre est suffisante pour assurer plusieurs applications dans la position inversée où la pompe est en bas.In addition, as shown in Figure 3, the amount of alum solution 2 that is inside the second chamber is sufficient to provide multiple applications in the inverted position where the pump is down.
De préférence, le volume intérieur 13 de la seconde chambre 8 représente au moins trois fois le volume de solution d'alun que la pompe peut extraire au cours d'une seule course du poussoir 5, c'est-à-dire pendant l'opération consistant à pousser le poussoir 5 de son point le plus haut à son point le plus bas, sans mouvement inverse, c'est-à- dire encore sans que l'utilisateur relève le doigt pendant l'opération. Cela permet à l'utilisateur, par exemple, d'utiliser aisément l'appareil pour une application sur les pieds qui exige en général une position inversée du flacon.Preferably, the internal volume 13 of the second chamber 8 represents at least three times the volume of alum solution that the pump can extract during a single stroke of the pusher 5, that is to say during operation of pushing the pusher 5 from its highest point to its lowest point, without reverse movement, that is to say again without the user lifts the finger during the operation. This allows the user, for example, to easily use the apparatus for application on the feet which generally requires an inverted position of the bottle.
La moindre baisse de la température dans une solution saturée d'alun entraîne la formation de mini-cristaux d'alun qui, selon la quantité, pourraient empêcher le bon fonctionnement de la pompe. Pour éviter ce risque, un filtre peut être inséré en amont du point de succion 16 de la pompe. Compte tenu de ce qui précède, il est important que le filtre soit placé le plus près possible du point de succion 16. On peut voir à la figure 3 une forme d'exécution dans laquelle un tube 15 est fixé à l'entrée 6 de la pompe 4, déplaçant le point de succion 16 au bout du tube 15, tube dans lequel est inséré un filtre 14. Cette solution permet d'éviter que de petits cristaux ne s'introduisent dans la pompe et ne la bloquent. Le risque de bouchage du filtre existe certes encore, mais il est réduit du fait que le filtre est situé dans une zone dans laquelle la densité des cristaux est moindre, en tout cas lorsque le flacon est tenu verticalement, la pompe en haut. Dans les cas où le flacon est renversé, et si des cristaux s'introduisent par le passage 11 dans l'espace intérieur 13 de la seconde chambre 8, ces cristaux tendent à se déposer au fond, c'est-à-dire, du fait de la position inversée, près de la pompe, comme cela est montré à la figure 3. Le tube 15 et le filtre 14, du fait de leur longueur, sont hors de cette zone, de sorte que le risque de bouchage est réduit. Lorsque le flacon est replacé dans sa position verticale normale, les cristaux retombent au fond 10 de la première chambre.The slightest drop in temperature in a saturated solution of alum causes the formation of mini crystals of alum which, depending on the quantity, could prevent the proper functioning of the pump. To avoid this risk, a filter can be inserted upstream of the suction point 16 of the pump. In view of the above, it is important that the filter is placed as close as possible to the suction point 16. It can be seen in Figure 3 an embodiment in which a tube 15 is fixed to the inlet 6 of the pump 4, moving the suction point 16 at the end of the tube 15, a tube into which a filter 14 is inserted. This solution makes it possible to prevent small crystals from getting into the pump and blocking it. The risk of clogging of the filter still exists, but it is reduced because the filter is located in an area in which the density of the crystals is less, in any case when the bottle is held vertically, the pump at the top. In cases where the flask is inverted, and if crystals are introduced through the passage 11 into the inner space 13 of the second chamber 8, these crystals tend to deposit at the bottom, that is to say, the is in the inverted position, near the pump, as shown in Figure 3. The tube 15 and the filter 14, because of their length, are out of this area, so that the risk of clogging is reduced. When the bottle is returned to its normal upright position, the crystals fall to the bottom of the first chamber.
Possibilités d'application industriellePossibilities of industrial application
L'invention, qui peut être produite aisément avec des moyens connus, est utilisable dans l'industrie cosmétique et sert à l'application d'une solution d'alun comme déodorant. The invention, which can be easily produced with known means, can be used in the cosmetics industry and is used for the application of an alum solution as a deodorant.

Claims

REVENDICATIONS
1. Appareil pour l'application d'une solution d'alun comprenant au moins une première chambre (1) apte à contenir une solution saturée d'alun (2) et desApparatus for applying an alum solution comprising at least a first chamber (1) capable of containing a saturated solution of alum (2) and
. cristaux d'alun (3), une pompe (4) apte à être actionnée par au moins un poussoir (5) et permettant d'émettre une partie de la solution vers une partie du corps, la pompe (4) présentant au moins une entrée (6) reliant la pompe (4) à la première chambre (1), caractérisé en ce qu'il comprend au moins une seconde chambre (8) dans la partie supérieure (9) de laquelle ladite entrée (6) débouche directement ou par l'intermédiaire d'au moins un conduit (7) pourvu d'au moins un point de succion (16), ladite seconde chambre s 'étendant vers le fond (10) de ladite première chambre, au moins un passage (11) étant ménagé dans la partie inférieure (12) de ladite seconde chambre de façon à faire communiquer le volume intérieur (13) de ladite seconde chambre avec ladite première chambre, ladite partie supérieure (9) étant fixée directement ou indirectement de manière étanche au haut de la première chambre ou à la pompe, de façon à empêcher tout transfert de ladite solution d'alun entre lesdites chambres par une autre voie que ledit passage (11).. alum crystals (3), a pump (4) adapted to be actuated by at least one pusher (5) and for emitting part of the solution to a part of the body, the pump (4) having at least one inlet (6) connecting the pump (4) to the first chamber (1), characterized in that it comprises at least a second chamber (8) in the upper part (9) of which said inlet (6) opens directly or via at least one conduit (7) provided with at least one suction point (16), said second chamber extending towards the bottom (10) of said first chamber, at least one passage (11) being formed in the lower portion (12) of said second chamber so as to communicate the interior volume (13) of said second chamber with said first chamber, said upper portion (9) being attached directly or indirectly sealingly to the top of said second chamber; the first chamber or at the pump, so as to prevent any transfer of the said alum between said chambers by a route other than said passage (11).
2. Appareil selon la revendication 1, caractérisé en ce que le volume intérieur (13) de la seconde chambre (8) entre l'entrée (6) et le point le plus haut du passage (11) représente au moins trois fois le volume de solution d'alun que la pompe (4) peut extraire au cours d'une seule course du poussoir.2. Apparatus according to claim 1, characterized in that the interior volume (13) of the second chamber (8) between the inlet (6) and the highest point of the passage (11) is at least three times the volume. of alum solution that the pump (4) can extract during a single stroke of the pusher.
3. Appareil selon l'une des revendications 1 ou 2, caractérisé en ce que la seconde chambre a la forme d'un cylindre creux, le passage étant constitué par l'ouverture inférieure dudit cylindre.3. Apparatus according to one of claims 1 or 2, characterized in that the second chamber has the shape of a hollow cylinder, the passage being constituted by the lower opening of said cylinder.
4. Appareil selon l'une des revendications 1 à 3, caractérisé en ce qu'un filtre (14) est fixé avant le point de succion (16).4. Apparatus according to one of claims 1 to 3, characterized in that a filter (14) is fixed before the suction point (16).
5. Appareil selon la revendication 3ou 4, caractérisé en ce que la distance entre le bas de la seconde chambre et le fond (10) de la première chambre est inférieure au diamètre intérieur dudit cylindre. 5. Apparatus according to claim 3 or 4, characterized in that the distance between the bottom of the second chamber and the bottom (10) of the first chamber is less than the inner diameter of said cylinder.
6. Appareil selon l'une des revendications 1 à 5, caractérisé en ce que les chambres contiennent une solution saturée d'alun et des cristaux d'alun.6. Apparatus according to one of claims 1 to 5, characterized in that the chambers contain a saturated solution of alum and alum crystals.
7. Appareil selon l'une des revendications 1 à 6, caractérisé en ce que la seconde chambre est transparente.7. Apparatus according to one of claims 1 to 6, characterized in that the second chamber is transparent.
8. Appareil selon l'une des revendication 4 à 7, caractérisé en ce que le filtre (14) est placé dans la partie supérieure (9) de la seconde chambre. 8. Apparatus according to one of claims 4 to 7, characterized in that the filter (14) is placed in the upper part (9) of the second chamber.
EP07710812A 2006-04-11 2007-03-20 Device for applying an alum solution to the body Not-in-force EP2004005B1 (en)

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See references of WO2007115417A1 *

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EP2004005B1 (en) 2009-10-28
DE602007002999D1 (en) 2009-12-10
ES2335545T3 (en) 2010-03-29
ATE446696T1 (en) 2009-11-15
US8136704B2 (en) 2012-03-20
WO2007115417A1 (en) 2007-10-18
US20090179051A1 (en) 2009-07-16

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