EP0605275A1 - Anordnung zur Zerstäubung einer Flüssigkeit mit einer Vordruckpumpe - Google Patents

Anordnung zur Zerstäubung einer Flüssigkeit mit einer Vordruckpumpe Download PDF

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Publication number
EP0605275A1
EP0605275A1 EP93403031A EP93403031A EP0605275A1 EP 0605275 A1 EP0605275 A1 EP 0605275A1 EP 93403031 A EP93403031 A EP 93403031A EP 93403031 A EP93403031 A EP 93403031A EP 0605275 A1 EP0605275 A1 EP 0605275A1
Authority
EP
European Patent Office
Prior art keywords
piston
chamber
assembly according
rod
chambers
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
EP93403031A
Other languages
English (en)
French (fr)
Other versions
EP0605275B1 (de
Inventor
Philippe Renault
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of EP0605275A1 publication Critical patent/EP0605275A1/de
Application granted granted Critical
Publication of EP0605275B1 publication Critical patent/EP0605275B1/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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00442—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being actuated by the difference between the atmospheric pressure and the pressure inside the container
    • 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
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means

Definitions

  • the present invention relates to an assembly for spraying a liquid comprising a precompression pump.
  • spray assemblies constituted by a container, on the neck of which is fixed a dispensing head comprising a pump of the precompression type. These assemblies are used in many fields, in particular in cosmetics, for the spraying of more or less viscous liquids which may possibly have the consistency of a cream or a fluid paste, in particular perfumes.
  • Precompression pumps are pumps which generally have two chambers: a first chamber into which the liquid to be sprayed is introduced by means of a non-return valve and into which it is subjected to precompression using a piston, generally manually actuated from the outside against the action of an elastic return device, and a second chamber connected to a nozzle for spraying the liquid.
  • the precompression of the liquid in the first chamber is intended to ensure good quality of spraying, from the start of spraying.
  • the present invention relates to an assembly in which the dispensing head comprising the pump contains a reduced number of parts, which is therefore easier to mount.
  • the subject of the present invention is an assembly for spraying a liquid consisting of a container containing the liquid to be sprayed, container on the neck of which is fixed a dispensing head provided with a precompression pump comprising two chambers: a first chamber, precompression, closed by a piston manually actuated from the outside against the action of at least one elastic return means, and in communication with the container via a non-return valve, and a second chamber capable of to communicate with the first at the end of the precompression phase and comprising a spray nozzle, characterized by the fact that the two chambers are aligned on the same longitudinal axis, that the walls of the two chambers are fixed and constitute a single body, that the piston is mounted to slide relative to a rod provided with a needle capable of opening and close the communication between the first and second chambers, and that the spray nozzle is arranged on a fixed wall of the second chamber.
  • This embodiment makes it possible to reduce the number of parts required, since the two chambers are contained in the same body.
  • the spray nozzle is fixed, which limits the dimensions of the window for discharging the jet of sprayed liquid when the dispensing head is covered with a cap. This limits the risk of intersection between the spray of liquid spray and the edge of the window and, consequently, losses of sprayed liquid.
  • the dispensing head may also include an additional part: a capsule closing the body, which is provided with an opening traversed by the piston, and which has the function of preventing the piston from being able to leave the body.
  • the body has a generally cylindrical shape, the two chambers being separated by a transverse partition comprising an opening forming a passage between the first chamber and the second chamber, the orifice through which the second chamber opens into the opening forming a seat for the needle and allowing communication between the two chambers.
  • the body containing the two chambers carries a skirt allowing the fixing of said body on the neck of the container.
  • the body may also include a centering pin for the spray nozzle, integral with the partition separating the two chambers and arranged in the second chamber.
  • the opening forming a seat for the non-return valve is formed in the partition separating the two chambers; alternatively, it is formed in the side wall of the body at the level of the first chamber.
  • the body is preferably made of rigid plastic material and obtained by molding in one piece.
  • the check valve is preferably a ball valve, but it could also be any other known type of valve. It is, in known manner, connected to a dip tube contained in the container.
  • the piston is a hollow piston and the rod is slidably mounted in the piston.
  • the piston is preferably constituted by a hollow cylinder, carrying a collar provided with a sealing lip and closed at one end by a face capable of receiving the means for actuating the piston; preferably, said face is provided with a vent hole to avoid compressing the air in the hollow cylinder of the piston, when the piston is pressed.
  • the rod carries a lip ensuring the tightness of its sliding inside the piston. It preferably carries a collar with a diameter smaller than that of the chamber on which the elastic return means of the piston bears.
  • the rod is bored and the piston is slidably mounted in the rod.
  • the piston is preferably constituted by a cylindrical part of small diameter so as to be able to penetrate the rod, this cylindrical part being preferably hollow so as to avoid compressing the air in the hollow rod ;
  • the cylindrical part carries a disc having a diameter such that it can slide in leaktight manner in the cylindrical body; the edge of the disc is preferably provided with a sealing lip.
  • the rod has over a part of its length a cylindrical bore opening on the piston side. The upper edge of this bore is preferably provided with a sealing bead.
  • the dispensing head according to the invention may comprise, whatever the variant, a single elastic return means.
  • the latter is then advantageously disposed between the inner surface of the flange or of the piston disc and the flange of the rod.
  • the dispensing head can also include two elastic return means, which makes it possible to dissociate the force necessary to actuate the piston and the force necessary to obtain a higher precompression.
  • elastic means it is preferable to use a spring (s).
  • This air intake can be constituted by any known means, for example by a valve, in particular a ball valve comprising a ball, a spring and a seat, or by a deformable seal and an element capable of deforming said seal.
  • the longitudinal axis of the body containing the two chambers can be arranged parallel or perpendicular to the axis of the spray nozzle.
  • the dispensing head can advantageously be protected by a cap fixed on the container.
  • this cap When this cap is not removable and therefore remains in place during dispensing, it has a window arranged opposite the spray nozzle so as to allow the jet of sprayed liquid to pass.
  • the cap may, then, either be provided with an opening allowing the user to actuate the piston by pressing directly with a finger on the upper part of the piston, or with a lever system actuated manually by the user, lever which rests on the upper part of the piston.
  • the piston At rest, the piston is in the high position, the first chamber is filled with liquid, the needle rests tightly on its seat and the non-return valve keeps communication between the container and the first chamber closed.
  • the user presses the upper part of the piston, either directly or by means of a lever; the piston sinks while compressing the elastic means. This creates a hydraulic pressure inside the first chamber.
  • the needle lifts.
  • the dose of liquid contained in the first chamber passes into the second chamber where it is sprayed by the nozzle.
  • the needle falls back into the opening on its seat.
  • the elastic means s) return (s) the piston to its rest position.
  • a vacuum is created in the first chamber, the non-return valve opens and the liquid is drawn into the container. The set is ready for a new spraying.
  • FIGS. 1 to 4 The assembly shown in FIGS. 1 to 4 is designated as a whole by the reference 1.
  • the container 2 which contains the liquid to be sprayed is made of deformable material. It is provided with an upper wall 21 carrying, in the vicinity of its junction with a cylindrical side wall 24, a cylindrical neck 22 provided with an external screw thread 23. The neck 22 is eccentric relative to the longitudinal axis of the bottle. Furthermore, the side wall 24 of the container 2 comprises, in the vicinity of its junction with the upper wall 21, an annular groove 25.
  • the dispensing head 3 comprises a cylindrical skirt 31, which, according to the embodiment, is provided with an internal thread, capable of cooperating with the external thread 23 of the neck 22. It is quite obvious that the pitch of screws could be replaced by a snap ring in the case of a snap fastening or by a smooth surface in the case of a crimp fixing.
  • the cylindrical skirt 31 is connected, by a plate 32 transverse to the skirt 31, to a body 33 of generally cylindrical shape having a diameter less than that of the skirt 31.
  • the side wall 24, the skirt 31 and the body 33 extend longitudinally along parallel axes.
  • the body 33 defines two coaxial chambers 34 and 35 separated by a transverse partition 39.
  • the upper part (in the position shown in Figures 1 to 4) of the body 33 has an external screw pitch 36 which allows a capsule 5 to be screwed into it.
  • the partition 39 has an opening 37 forming a cylindrical passage between the first chamber 34 and the second chamber 35. At the opening 37, the chamber 35 has a diameter smaller than that of the opening 37. Thus the orifice through which the chamber 35 opens into the opening 37 constitutes a seat for a needle 71 of a rod 7, the role of which will appear below.
  • the partition 39 separating the chambers 34 and 35 is provided with another opening 38 connecting the chamber 34 to the container 2, via a dip tube 10. According to the embodiment shown in FIGS.
  • a non-return ball valve comprises a ball 9 which cooperates with the seat formed by the opening 38, this opening having a frustoconical shape.
  • a hollow cylindrical piston 6 closed on the side facing the outside of the body 33 by a face 61 provided with a vent 64.
  • the piston 6 carries a circular collar 62 provided with a lip d seal 63 cooperating with the inner surface of the chamber 34.
  • the rod 7 is mounted for sealing, by means of a lip 72 with which it is provided, the piston 6 and the rod 7 sliding one in the other.
  • the end of the rod 7, opposite the piston 6, has a conical zone forming the needle 71 which is adapted to close or open the opening 37.
  • the rod 7 carries in the vicinity of the needle 71, above the latter , a flange 73 of diameter smaller than that of the chamber 34.
  • a centering pin 13 fixed to the partition 39 which carries a spray nozzle 11 for the liquid defines with the nozzle 11 an annular spray chamber in communication with the chamber 35.
  • the seal between the neck 22 of the container 2 and the dispensing head 3 is made using an annular seal 12 disposed between the upper edge of the neck 22 and the plate 31.
  • the cylindrical body 33 is closed at the upper part by the capsule 5 which is provided with a circular opening 51, for the passage of the piston 6 and a thread 52 cooperating with the thread 36 of the cylindrical body 33.
  • the dispensing head 3 is protected by the cap 4 which has a lateral skirt 41 provided in the vicinity of its lower edge with an inner bead 42 capable of cooperating with the groove 25 of the container for the snap-fastening of the cap 4 on the container 2.
  • the cap 4 comprises a lever 43, capable of pivoting with respect to a point located on the side skirt 41 of the cap 4, in a vertical plane, and cooperating with the bottom 61 of the piston 6.
  • the contact between the lever 43 and the bottom 61 of the piston is made by means of a spherical bearing 44 which has the lever 43.
  • the side skirt 41 has, opposite the spray nozzle 11, a window 45.
  • the nozzle 11 being fixed, the window 45 has limited dimensions, which improves the aesthetics of the assembly.
  • the operation of the assembly 1 is as follows. At rest, the piston 6 is in the high position, the chamber 34 is filled with liquid, the needle 71 rests in the opening 37 and seals the communication between the chambers 34 and 35 under the action of the spring 8 and the ball 9 of the non-return valve rests in the opening 38 so as to seal the communication between the chamber 34 and the container 2 containing the liquid.
  • the lever 43 When the user wishes to spray the liquid, he presses the lever 43.
  • the piston 6 slides in the chamber 34 on the rod 7 by compressing the spring 8 (see FIG. 2). Hydraulic pressure is thus created inside the chamber 34.
  • FIG. 5 illustrates an assembly 1 a identical to assembly 1 illustrated in FIGS. 1 to 4, except that the dispensing head 3 is not not protected by a cap. Consequently, to carry out the spraying, the user presses with a finger directly on the bottom 61 of the piston 6.
  • FIGS. 6 and 7 represent assemblies 201 and 301, identical to that illustrated in FIGS. 1 to 4, with the exception of the fact that they comprise an air intake device 213, 313 respectively, making it possible to avoid the formation of a depression in the containers 202 and 302 respectively.
  • the containers 202 and 302 can therefore be made of rigid material.
  • the air intake device 213 illustrated in FIG. 6 is placed on the upper wall 221 of the container 202. It should be noted that it could also be placed on the transverse plate 232 of the dispensing head 203.
  • the device 213 is a valve consisting of a ball 213 a of a calibrated spring 213 b , and of a seat 213 c , against which the ball 213 a is pressed in a sealed manner under the action of the spring 213 b when the pressure at l inside the container 2 is equal to atmospheric pressure.
  • the air intake device 313 illustrated in FIG. 7 uses the annular seal 312 ensuring the seal between the edge of the neck 322 and the internal surface of the horizontal plate 332 of the dispensing head 303. It comprises a rod 314, comprising two elements 314 a and 314 b at right angles; the element 314 a extends the upper surface 361 of the piston 306 and the element 314 b is parallel to the axis of the body 333 and perpendicular to the plate 332. The element 314 b penetrates through an opening 315 formed in the plate 332 and comes into contact with the seal 312 ensuring the seal between the neck 322 and the plate 332.
  • the lever 343 is supported by a bearing 344 on the element 314 a of the rod 314.
  • the piston 306 sinks, the element 314 b presses on the seal 312 which deforms until the air enters the container 302 and brings the container 302 back to atmospheric pressure.
  • FIG. 8 illustrates an assembly 401 comprising a dispensing head 403 in which the longitudinal axis of the body 433 is perpendicular to the axis of the neck 422 of the container 402, that is to say horizontal as illustrated in FIG. 8.
  • the wall of the cylindrical body 433 is fixed on the plate 432.
  • the spraying through the nozzle 411 is done parallel to the longitudinal axis of the body 433, the nozzle 411 being disposed in the bottom of the chamber 435.
  • the seat 438 of the non-return ball valve 409 opens in the tray 432 which also constitutes the wall of the body 433 at the level of the chamber 434.
  • the upper wall 421 of the container 402 comprises a flat surface 421 a inclined from above down towards the inside of the container 402 so as to allow the movement of the lever 443 and to limit it. It should be noted that this embodiment makes it possible to reduce the height of the dispensing head.
  • Figures 9 and 10 show an assembly 501 similar to that shown in Figures 1 to 4, except that the piston 506 of the dispensing head 503 is returned by two springs 508 a and 508 b .
  • FIG. 9 represents the assembly 501 at rest and FIG. 10 the assembly 501 during compression.
  • the spring 508 a is disposed between the lower surface of the flange 562 of the piston 506 and the partition 539 forming the bottom of the chamber 534.
  • the spring 508 b is disposed in the piston 506. It connects the inner face of the bottom 561 of the piston 506, at the upper part 572 of the rod 507.
  • the spring 508 a is calibrated so that the force to be exerted to drive the piston into the chamber 534 is as low as possible. However, this spring 508 a must be stiff enough to reassemble the piston quickly.
  • the spring 508 b is calibrated stiffer than the spring 508 a so that the precompression of the liquid is maximum.
  • Figure 11 shows an assembly 601 similar to the assembly shown in Figure 1, except that the piston 606 slides in the rod 607 which is provided with a bore.
  • the piston 606 consists of a cylindrical piece 661, opening at one end in the hollow of the rod 607 and at the other end outside, carrying a disc 662 provided with a sealing lip 663 cooperating with the interior surface of the chamber 634.
  • the rod 607 has a bore 674 in which the cylindrical part 661 of the piston 606 slides. The upper edge of the bore 674 is provided with a sealing bead 672.
  • a spring 608 surrounding the rod 607 bears, on the one hand, on the upper surface of a flange 673 of the rod 607 and, on the other hand, on the surface inside of the disc 662 of the piston 606, thus urging the rod 607 away from the piston 606.
  • FIG. 12 represents an assembly 701 identical to the assembly 601, except that the return means is constituted by two concentric springs 708 a and 708 b .
  • the spring 708 a is supported, on the one hand, on the inner face of the disc 762 of the piston 706 and, on the other hand, on the partition 739 forming the bottom of the chamber 734.
  • the spring 708 b is disposed between the face inside of the disc 762 of the piston 706 and the upper face of the flange 773 of the rod 707.
  • a circular rib 764 disposed on the inside of the disc 762 separates the bearing zones of the springs 708 a and 708 b on said inner face of the disc 762.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
EP93403031A 1992-12-28 1993-12-15 Anordnung zur Zerstäubung einer Flüssigkeit mit einer Vordruckpumpe Expired - Lifetime EP0605275B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9215768A FR2699835B1 (fr) 1992-12-28 1992-12-28 Ensemble pour la pulvérisation d'un liquide comportant une pompe à précompression.
FR9215768 1992-12-28

Publications (2)

Publication Number Publication Date
EP0605275A1 true EP0605275A1 (de) 1994-07-06
EP0605275B1 EP0605275B1 (de) 1996-07-17

Family

ID=9437149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93403031A Expired - Lifetime EP0605275B1 (de) 1992-12-28 1993-12-15 Anordnung zur Zerstäubung einer Flüssigkeit mit einer Vordruckpumpe

Country Status (6)

Country Link
US (1) US5370281A (de)
EP (1) EP0605275B1 (de)
JP (1) JPH06219478A (de)
DE (1) DE69303700T2 (de)
ES (1) ES2089760T3 (de)
FR (1) FR2699835B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715585A1 (fr) * 1994-01-28 1995-08-04 Oreal Ensemble de distribution d'un liquide, de façon quasi-continue, comportant une pompe et utilisation d'un tel ensemble pour la pulvérisation d'une laque capillaire.
EP0689876A1 (de) * 1994-06-29 1996-01-03 Monturas, S.A. Pumpenzerstäuber mit einer stationären Düse
FR2727162A1 (fr) * 1994-11-23 1996-05-24 Oreal Pompe manuelle a precompression pour la pulverisation d'un liquide et ensemble de distribution equipe d'une telle pompe
EP1514608A1 (de) * 2003-09-11 2005-03-16 Ing. Erich Pfeiffer GmbH Dosiervorrichtung mit einem elastischen Betätigungsglied

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
US6050457A (en) * 1995-12-06 2000-04-18 The Procter & Gamble Company High pressure manually-actuated spray pump
DE19610456B4 (de) * 1996-03-16 2006-10-19 Ing. Erich Pfeiffer Gmbh Austragvorrichtung für Medien
US20040182884A1 (en) * 2002-09-11 2004-09-23 Tetsuya Tada Auxiliary cover for pump dispenser and vessel attached with pump dispenser
BR112013028398A2 (pt) * 2011-05-03 2019-09-24 Meadwestvaco Calmar Inc distribuidores de líquidos e métodos para fabricaçãodos mesmos

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US4271990A (en) * 1978-05-12 1981-06-09 Security Plastics, Inc. Pumping system for dispensing product from a container
FR2634825A1 (fr) * 1988-07-26 1990-02-02 Andre Debard Pompe a precompression pour la diffusion d'un liquide

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FR2675403B1 (fr) * 1991-04-19 1993-08-13 Oreal Dispositif pour diffuser un produit liquide, notamment un produit capillaire, en fines gouttelettes.
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Publication number Priority date Publication date Assignee Title
US4271990A (en) * 1978-05-12 1981-06-09 Security Plastics, Inc. Pumping system for dispensing product from a container
FR2634825A1 (fr) * 1988-07-26 1990-02-02 Andre Debard Pompe a precompression pour la diffusion d'un liquide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715585A1 (fr) * 1994-01-28 1995-08-04 Oreal Ensemble de distribution d'un liquide, de façon quasi-continue, comportant une pompe et utilisation d'un tel ensemble pour la pulvérisation d'une laque capillaire.
US5622286A (en) * 1994-01-28 1997-04-22 L'oreal Manually actuated dispensing unit for spraying a liquid in the form of droplets in a virtually continuous manner
EP0689876A1 (de) * 1994-06-29 1996-01-03 Monturas, S.A. Pumpenzerstäuber mit einer stationären Düse
FR2727162A1 (fr) * 1994-11-23 1996-05-24 Oreal Pompe manuelle a precompression pour la pulverisation d'un liquide et ensemble de distribution equipe d'une telle pompe
EP0718045A1 (de) * 1994-11-23 1996-06-26 L'oreal Vordruck-Handpumpe zum Zerstäuben eines Flüssigkeit und Abgabevorrichtung mit einer solchen Pumpe
EP1514608A1 (de) * 2003-09-11 2005-03-16 Ing. Erich Pfeiffer GmbH Dosiervorrichtung mit einem elastischen Betätigungsglied

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Publication number Publication date
JPH06219478A (ja) 1994-08-09
DE69303700T2 (de) 1997-03-06
FR2699835B1 (fr) 1995-03-31
US5370281A (en) 1994-12-06
ES2089760T3 (es) 1996-10-01
FR2699835A1 (fr) 1994-07-01
DE69303700D1 (de) 1996-08-22
EP0605275B1 (de) 1996-07-17

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