EP1047505B1 - Zerstäubungskopf für einen spender für medien - Google Patents

Zerstäubungskopf für einen spender für medien Download PDF

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Publication number
EP1047505B1
EP1047505B1 EP19990900925 EP99900925A EP1047505B1 EP 1047505 B1 EP1047505 B1 EP 1047505B1 EP 19990900925 EP19990900925 EP 19990900925 EP 99900925 A EP99900925 A EP 99900925A EP 1047505 B1 EP1047505 B1 EP 1047505B1
Authority
EP
European Patent Office
Prior art keywords
spray
closure member
spray head
shutter
head according
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
Application number
EP19990900925
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English (en)
French (fr)
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EP1047505A1 (de
Inventor
Ludovic Petit
François Brule
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.)
Aptar France SAS
Original Assignee
Valois SAS
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Filing date
Publication date
Application filed by Valois SAS filed Critical Valois SAS
Publication of EP1047505A1 publication Critical patent/EP1047505A1/de
Application granted granted Critical
Publication of EP1047505B1 publication Critical patent/EP1047505B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • B05B11/0067—Lift valves having a valve seat located downstream the valve element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3468—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with means for controlling the flow of liquid entering or leaving the swirl chamber
    • B05B1/3473—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with means for controlling the flow of liquid entering or leaving the swirl chamber in response to liquid pressure
    • 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
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072—A valve member forming part of an outlet opening
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
    • 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
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

Definitions

  • the present invention relates to a spray head for a fluid dispenser, and more particularly a spray comprising a shutter.
  • the shutters at the outlet of a spray head are especially used in the pharmaceutical field to solve the problem of the risk of contamination of at least part of the fluid to distribute.
  • These shutters are generally actuated, that is to say open, by the pressure created by the pump during its actuation.
  • a commonly used type of shutter is made in the form of a one-way valve and includes a piston that can slide and move by the pressure created by the pump. In general, this piston is assembled to inside the fluid expulsion channel in the distribution. This expulsion channel must therefore be large enough to contain the piston and allow its movement.
  • Such shutters are in particular described in documents FR-2 671 329 and US-4 830 284.
  • a disadvantage of these devices is that they do not limit maximum dead volume. Indeed, an essential feature of the most current spraying devices is the maximum limitation of the dead volume in the expulsion channel. This limitation of the dead volume is particularly important in the case of pumps which require a priming consisting of one or more actuations necessary for expel air from the pump chamber and replace it with liquid to distribute. Now, to open the dispensing orifice and, therefore, move the opening that closes it, it is necessary to create sufficient pressure by actuating the pump. In this case, the larger the volume, i.e. the greater the the greater the amount of air, the greater the number of actuations required to priming the pump is important. In some cases. priming even becomes impossible, and standard type pumps are not suitable for this type of application.
  • One way to solve this problem is to achieve the shutter of such so that the product expulsion channel is defined inside the shutter mobile which then moves relative to a fixed element of the head spray.
  • the shutter incorporates the outlet and the channel expulsion is defined between said shutter and said fixed element of the head of spraying, the latter can then be carried out so that the volume death in the expulsion channel is minimal.
  • Such a device is in particular described in document DE-435 138.
  • spray heads usually have spray parts connected to the orifice and having a particularly critical geometry. This part is usually formed by very narrow channels arranged in different angles and connected to the spray orifice. In the devices known described above, it is evident that the geometry of the part of spraying is seriously modified by the presence of shutters. It is the same for the deformable shutters which do not move in the expulsion channel but which have a deformable closure part which opens under product pressure.
  • the quality of it remains insufficient. Indeed, the whole of the spray geometry, i.e. the channels and the swirling, is influenced by the movement of the shutter shutter position to its spray position. In particular, this moving the shutter causes a gradual increase in dimension of this spray geometry which has a harmful influence on the quality of the spray, in particular on its consistency during actuations successive. Indeed, the quality and intensity of the spray are in this case dependent on the actuating force exerted on the pump, and a too weak actuation can generate a poor quality spray.
  • the object of the present invention is to provide a spray head for a fluid dispenser that does not reproduce the drawbacks supra.
  • the present invention therefore aims to provide a head spray comprising a shutter in which the quality of the spray spraying is optimal and constant each time the device is actuated.
  • the present invention aims to provide a head spraying in which the quality of the spray is identical to a device with no shutter of the spray orifice.
  • the present invention also aims to provide a head spray with a shutter, in which the dead volume of the channel deportation is limited to the maximum.
  • the present invention also aims to provide such a head spraying which is simple and inexpensive to make and assemble.
  • the present invention also aims to provide such a head spray which prevents any contamination of the product at the shutter and / or the spray orifice.
  • the present invention also aims to provide such a head spraying which achieves all the above-mentioned goals.
  • the present invention therefore relates to a spray head for a fluid dispenser, comprising an expulsion channel opening into a spray orifice, and a movable shutter between a closed position of said orifice and a spray position, said shutter being urged elastically towards its closed position and being moved to its spray position by product pressure, the spray head spraying further comprising a swirl chamber of variable volume, the volume of said swirl chamber being maximum in the spray position of the shutter and substantially zero in shutter position, and said shutter has channels for swirl connecting, in spraying position, said expulsion channel with said swirl chamber, the volume and geometry of said channels remaining unchanged regardless of the position of the shutter.
  • the movable shutter has at one end the orifice of spraying and at its opposite end a piston sliding so sealed in the expulsion channel.
  • the spray orifice in the closed position, is closed by an insert fixedly disposed in the expulsion channel, said swirl chamber formed between said insert and said orifice spray when the shutter moves to its spray position.
  • said swirl chamber is cylindrical, the side wall and the upper front face being formed by the obturator, and the lower front face being formed by the insert.
  • said swirl channels open out into said side wall of the swirl chamber, so that shutter shutter position, they are closed by said insert.
  • said movable shutter comprises a sleeve hollow tubular provided with a bottom wall incorporating in its center the orifice spray tube, and a small hollow tube fixedly fitted inside the tubular sleeve abutting against said bottom, said tube comprising in its upper surface in abutment against the bottom of the shutter one or more spray channels connecting the outer peripheral surface of said tube to the internal peripheral surface of said tube.
  • said small hollow tube comprises one or more passages in its outer peripheral surface fitted into the tubular shutter sleeve, said passages being connected to said channels and forming part of the expulsion channel.
  • said shutter is disposed sliding around an insert fixedly disposed in the spray head, said expulsion channel being at less partially defined between said shutter and said insert.
  • said spray head comprises a body, an elastic element forming a seal being disposed between the movable shutter and the body of the spray head, said element elastic urging said shutter towards its closed position and being compressed when the shutter moves to its spray position.
  • said head spray comprises a body surmounted by an elastically element deformable fixed to said body, the shutter cooperating with said element which biases said shutter towards its closed position and which is deformed when the shutter moves to its spray position.
  • the elastically deformable element is fixed so tight to said body of the spray head and to said shutter, such so that tightness is guaranteed in all positions of the shutter.
  • said elastically deformable element is a cap made of elastomeric thermoplastic.
  • one or more parts of said head spray which are in contact with the product contain material bacteriostatic.
  • the spray head 100 shown in the general shape typical of a nasal tip. Although it is mainly in this application that the quality and consistency of the spray be important, the invention is not limited to the use in the tips of nasal type, but can, on the contrary, be adapted to all types of head spray.
  • the present invention being located at the closure system of the spray head spray hole, shape and structure general of this spray head will not be described in more detail here, and the present description will be limited to the invention itself.
  • the spray head 100 has a body 101 which is advantageously statically fixed an insert, commonly called internal nozzle, which partially defines the expulsion channel 1 of the head spray.
  • an insert commonly called internal nozzle
  • the expulsion channel 1 is defined, at this upper part of the insert 5, between said insert 5 and said movable shutter 10.
  • the shutter 10 is biased towards its closed position by a spring 16 which rests on the one hand on the body 101 of the spray head and on the other hand on said shutter mobile 10.
  • the insert 5 extends into the spray head up to close to the spray hole so that in position shutter, said spray orifice 9 is closed by the front face upper part of insert 5, as visible in FIGS. 1 and 3.
  • the movable shutter 10 is preferably produced in the form of a hollow tubular sleeve 11 which has on one side the upper side on the Figures, a bottom wall 12 which incorporates the spray orifice 9.
  • the tubular sleeve 11 of the movable shutter 10 is slidably disposed around of the insert 5 so as to leave a narrow passage between the shutter 10 and the insert 5 which forms part of the expulsion channel 1 of the product.
  • the sleeve tubular and the bottom wall are preferably non-deformable, the opening of the spray orifice being made by displacement of the shutter.
  • the spray head has a swirl chamber 20 of variable volume which forms upstream of the spray orifice 9 when the shutter 10 is in the spraying position.
  • This room swirl 20 is connected to expulsion channel 1 by one or more swirl channels 30.
  • this swirl chamber 20 forms between the bottom wall 12 of the shutter 10 in which the spray orifice 9 and the face are located upper front of the insert 5.
  • this swirl chamber has maximum volume in spray position (fig. 2 and 4) and maximum volume substantially zero in the closed position (fig. 1 and 3), in which the face upper front of the insert 5 rests tightly against the face of bottom 12 of the shutter so as to close the spray orifice 9.
  • a small hollow tube 15 is fixedly fitted at inside the tubular sleeve 11 of the shutter 10, abutting against the bottom 12 of it.
  • This small hollow tube 15 cooperates with an end part top of insert 5 of reduced diameter so that the surface inner device of the small hollow tube 15 slides on the surface external device of said upper part of insert 5 so substantially waterproof, preventing the passage of product at this level, the channel expulsion 1 of the product therefore extending outside said small hollow tube 15.
  • the upper front face of the small tube hollow 15 incorporates the spray channels 30 which, in the position of spray, connect the expulsion channel 1 to said swirl 20 and which, in the closed position, are closed by said peripheral wall of said upper part of the insert 5.
  • the small hollow tube 15 has on its outer peripheral wall fitted into the tubular sleeve 11, one or more passages for the product, said passages forming part of the expulsion channel 1.
  • the geometry of the spray channels 30 remains unchanged whatever the position of the shutter 10. In the shutter position, they are closed at their downstream end by the peripheral wall of the insert 5, this downstream end being open when the shutter 10 moves towards its spray position, thereby creating the swirl chamber 20.
  • the geometry of the swirl channels influencing the quality of the spray, the fact that this geometry remains unchanged guarantees everything actuation of a perfect spray and spray, whatever the strength actuation on the device.
  • the implementation described above implies that the swirl chamber 20, which is of variable volume, has however a constant cross section, which also promotes quality and consistency of the spray.
  • the product When the user operates the spray device, the product is pressurized in the expulsion channel and in the swirling. This pressure is transmitted to the shutter piston which is moves to its spray position, thus forming the swirling. As soon as the downstream end of the channels is cleared, the product is expelled to the swirl chamber and then sprayed through the spray orifice. Because the geometry of the channels remains unchanged, there is an immediate increase in product pressure from the start of actuation, so the spray spray is always the same and of good quality. In particular, the fact that the channels include pressurized product also accelerates the movement of the shutter towards its spraying position as soon as the downstream end of the channels is partially cleared. It is therefore impossible to make a spray poor or poor quality, even with weak actuation of the device.
  • the shutter 10 is no longer biased towards its rest position by a spring, but it cooperates with a compressible seal 116 disposed between the shutter 10 and the body 101 of the head.
  • the seal 116 biases the shutter towards its rest position.
  • the seal 116 is compressed by the shutter 10 under the effect of the pressure of the product and the shutter can move to its spray position.
  • the elasticity of the seal 116 brings the shutter 10 back to its rest position.
  • the seal 116 ensures in in addition to the seal between the spray head 100 and the shutter 10 and prevents the penetration of bacteria or germs into said head. Moreover, the thickness of the seal 116 may be significantly less than that of the spring, so that the spray head can have a smaller dimension.
  • the body 101 of the head is surmounted at its end by an elastically deformable element 216, such than an elastomeric thermoplastic cap.
  • This cap 216 is fixed with a part to the body 101 and secondly to the shutter 10, preferably so waterproof. It urges the shutter 10 towards its rest position and deforms under the effect of the pressure exerted by the product on the shutter during actuation of the device to allow movement of the shutter 10 toward its spray position. Then, the cap 216 brings back the shutter towards its rest position.
  • This variant has the advantage of avoiding any penetration of bacteria or germs, even at the tip of the head, in the slot located between the shutter 10 and said cap 216. Indeed. in this variant, the shutter 10 does not slide relative to said cap 216, so that the slot at the end of the head between the cap 216 and the shutter 10 can be completely sealed.
  • the spray head 100 may include a bacteriostatic material at the level of one or more surfaces in contact with the product to be expelled.
  • this bacteriostatic material can be a material acting by contact, rather than by relaying ions in the product.

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  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (13)

  1. Zerstäubungskopf (100) für eine Abgabevorrichtung für ein fluidförmiges Produkt, der einen Ausstoßkanal (1), der in einer Zerstäubungsöffnung (9) mündet, und einen Verschluß (10) umfasst, der zwischen einer Verschlußstellung der Öffnung (9) und einer Zerstäubungsstellung bewegbar ist, wobei der Verschluß (10) in elastischer Weise zu seiner Verschlußstellung hin vorgespannt ist und zu seiner Zerstäubungsstellung durch den Druck des Produktes verschoben wird, wobei der Zerstäubungskopf eine Verwirbelungskammer (20) mit veränderlichem Volumen umfasst und das Volumen dieser Verwirbelungskammer (20) in der Zerstäubungsstellung des Verschlusses (10) maximal und in der Verschlußstellung im wesentlichen gleich Null ist, dadurch gekennzeichnet, dass der Verschluß (10) die Zerstäubungsöffnung (9) und Verwirbelungskanäle (30) umfasst, die in der Zerstäubungsstellung den Ausstoßkanal (1) mit der Verwirbelungskammer (20) verbinden, wobei das Volumen und die Geometrie dieser Kanäle (30) bei jeder beliebigen Stellung des Verschlusses (10) unverändert bleiben.
  2. Zerstäubungskopf nach Anspruch 1, bei dem der bewegliche Verschluß (10) an seinem der Zerstäubungsöffnung (9) gegenüber liegenden Ende einen Kolben (19) umfasst, der in dichter Weise im Ausstoßkanal (1) gleitet.
  3. Zerstäubungskopf nach Anspruch 1 oder 2, bei dem in der Verschlußstellung die Zerstäubungsöffnung (9) durch einen Einsatz (5) verschlossen ist, der fest im Ausstoßkanal (1) angeordnet ist, wobei sich die Verwirbelungskammer (20) zwischen dem Einsatz (5) und der Zerstäubungsöffnung (9) bildet, wenn sich der Verschluß (10) zur Außenseite des Zerstäubungskopfes in seine Zerstäübungsstellung verschiebt.
  4. Zerstäubungskopf nach Anspruch 3, bei dem die Verwirbelungskammer (20) zylindrisch ist, wobei die Seitenwand und die obere Stirnfläche vom Verschluß (10) und die untere Stirnfläche vom Einsatz (5) gebildet werden.
  5. Zerstäubungskopf nach Anspruch 4, bei dem die Verwirbelungskanäle (30) in die Seitenwand der Verwirbelungskammer (20) derart münden, dass sie in der Verschlußstellung des Verschlusses (10) durch den Einsatz (5) verschlossen sind.
  6. Zerstäubungskopf nach einem der vorhergehenden Ansprüche, bei dem der bewegliche Verschluß (10) eine rohrförmige, hohle Buchse (11) umfasst, die mit einer Bodenwand (12) versehen ist, die in ihrer Mitte die Zerstäubungsöffnung (9) aufweist, und ein kleines hohles Rohr (15), das fest in das Innere der rohrförmigen Buchse (11) in Anlage an den Boden (12) eingefügt ist, wobei das Rohr (15) in seiner oberen Oberfläche, die am Boden (12) des Verschlusses (10) anliegt, einen oder mehrere Zerstäubungskanäle (30) umfasst, die die äußere Umfangsoberfläche des Rohrs (15) mit der inneren Umfangsoberfläche des Rohres (15) verbinden.
  7. Zerstäubungskopf nach Anspruch 6, bei dem das kleine hohle Rohr (15) einen oder mehrere Durchgänge umfasst, die in seiner äußeren Umfangsfläche vorgesehen sind, die in die rohrförmige Buchse (11) des Verschlusses (10) eingefügt ist, wobei diese Durchgänge mit den Kanälen (30) verbunden sind und einen Teil des Ausstoßkanals (1) bilden.
  8. Zerstäubungskopf nach Anspruch 6 oder 7, bei dem der Verschluß (10) in gleitender Weise um einen Einsatz (5) herum angeordnet ist, der fest im Zerstäubungskopf angeordnet ist, wobei der Ausstoßkanal (1) zumindest teilweise zwischen dem Verschluß (10) und dem Einsatz (5) gebildet ist.
  9. Zerstäubungskopf nach einem der vorhergehenden Ansprüche, bei dem der Zerstäubungskopf (100) einen Körper (101), ein elastisches Element (116), das eine zwischen dem beweglichen Verschluß (10) und dem Körper (101) des Zerstäubungskopfes (100) angeordnete Dichtung bildet, wobei das elastische Element (116) den Verschluß (10) zu seiner Verschlußstellung hin vorspannt und zusammengedrückt wird, wenn sich der Verschluß (10) zu seiner Zerstäubungsstellung hin verschiebt.
  10. Zerstäubungskopf nach einem der Ansprüche 1 bis 8, bei dem der Zerstäubungskopf (100) einen Körper (101) umfasst, über dem ein am Körper (101) befestigtes, elastisch verformbares Element (216) montiert ist, wobei der Verschluß (10) mit dem Element (216) zusammenwirkt, das den Verschluß (10) zu seiner Verschlußstellung hin vorspannt und das verformt wird, wenn sich der Verschluß (10) zu seiner Zerstäubungsstellung hin verschiebt.
  11. Zerstäubungskopf nach Anspruch 10, bei dem das elastisch verformbare Element (216) in dichter Weise an dem Körper (101) des Zerstäubungskopfes und an dem Verschluß (10) so befestigt ist, dass die Dichtigkeit in allen Stellungen des Verschlusses (10) sichergestellt ist.
  12. Zerstäubungskopf nach Anspruch 10 oder 11, bei dem das elastisch verformbare Element (216) eine Kappe aus einem thermoplastischen Elastomer ist.
  13. Zerstäubungskopf nach einem der vorhergehenden Ansprüche, bei dem einer oder mehrere Teile des Zerstäubungskopfes (100), die mit dem Produkt in Berührung stehen, ein bakteriostatisches Material umfassen.
EP19990900925 1998-01-16 1999-01-15 Zerstäubungskopf für einen spender für medien Expired - Lifetime EP1047505B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9800442 1998-01-16
FR9800442A FR2773784B1 (fr) 1998-01-16 1998-01-16 Tete de pulverisation pour un distributeur de produit fluide
PCT/FR1999/000063 WO1999036185A1 (fr) 1998-01-16 1999-01-15 Tete de pulverisation pour un distributeur de produit fluide

Publications (2)

Publication Number Publication Date
EP1047505A1 EP1047505A1 (de) 2000-11-02
EP1047505B1 true EP1047505B1 (de) 2004-08-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990900925 Expired - Lifetime EP1047505B1 (de) 1998-01-16 1999-01-15 Zerstäubungskopf für einen spender für medien

Country Status (7)

Country Link
US (1) US6443370B1 (de)
EP (1) EP1047505B1 (de)
JP (1) JP2002509026A (de)
CN (1) CN1118333C (de)
DE (1) DE69919321T2 (de)
FR (1) FR2773784B1 (de)
WO (1) WO1999036185A1 (de)

Cited By (1)

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CN106535969A (zh) * 2014-06-25 2017-03-22 东兴药品工业株式会社 医疗注射器用鼻腔喷雾喷嘴

Families Citing this family (30)

* Cited by examiner, † Cited by third party
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FR2794724B1 (fr) * 1999-06-10 2001-08-24 Valois Sa Tete de distributeur amelioree et dispositif de distribution de produit fluide comportant une telle tete
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CN1288398A (zh) 2001-03-21
JP2002509026A (ja) 2002-03-26
DE69919321D1 (de) 2004-09-16
FR2773784A1 (fr) 1999-07-23
FR2773784B1 (fr) 2000-03-24
EP1047505A1 (de) 2000-11-02
WO1999036185A1 (fr) 1999-07-22
CN1118333C (zh) 2003-08-20
US6443370B1 (en) 2002-09-03
DE69919321T2 (de) 2005-07-28

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