EP0519779B1 - Sprühvorrichtung für eine beim Trocknen aushärtende Flüssigkeit, insbesondere für Lacke - Google Patents

Sprühvorrichtung für eine beim Trocknen aushärtende Flüssigkeit, insbesondere für Lacke Download PDF

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Publication number
EP0519779B1
EP0519779B1 EP92401539A EP92401539A EP0519779B1 EP 0519779 B1 EP0519779 B1 EP 0519779B1 EP 92401539 A EP92401539 A EP 92401539A EP 92401539 A EP92401539 A EP 92401539A EP 0519779 B1 EP0519779 B1 EP 0519779B1
Authority
EP
European Patent Office
Prior art keywords
push button
valve
air
liquid
diffuser
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
EP92401539A
Other languages
English (en)
French (fr)
Other versions
EP0519779A1 (de
Inventor
Gérard Joulia
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 EP0519779A1 publication Critical patent/EP0519779A1/de
Application granted granted Critical
Publication of EP0519779B1 publication Critical patent/EP0519779B1/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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • 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
    • B05B11/1087—Combination of liquid and air pumps

Definitions

  • the invention relates to a device for spraying a liquid capable of hardening on drying, contained in a container provided with an opening equipped with a pump capable of being actuated by means of a push button surmounting the pump body, and passing the pumped liquid through a diffuser, comprising a spray nozzle, provided in the push-button, device comprising means for expelling the liquid contained inside the diffuser, integrated into the less in part, in this push-button, and comprising air compression means and means for evacuating the compressed air through the diffuser, actuated by depressing the push-button, said evacuation means compressed air comprising passage means provided in the push-button and means for closing these passage means, which means for closing include a valve subjected to the action of elastic means.
  • the invention relates more particularly, but not exclusively, to such a device for spraying a hair spray.
  • a device of this kind is described in EP-A-0 309 010, according to which the valve of the shutter means is capable of opening when sufficient air pressure is obtained during the depressing of the button. pusher; the compressed air can then escape through suitable channels and this compressed air is used to act on the flow of liquid generated by the pump.
  • An arrangement is provided, in some of the embodiments, so that after the end of pumping of the liquid, a residue of compressed air escapes through the channels used by the liquid to ensure cleaning of these channels, in order avoid clogging due to drying and hardening of the liquid which may remain in these channels after use.
  • the volume of compressed air used for cleaning the channels is relatively small, since part of this compressed air was evacuated and used during spraying.
  • the object of the invention is, above all, to provide a device of the type defined above in which the cleaning of the channels through which the liquid to be sprayed is improved is in order to significantly reduce the risks of clogging by drying of the liquid. It is further desired that such a device be of reliable use and of simple and economical production.
  • a device for spraying a liquid capable of hardening by drying in particular a lacquer, of the kind defined above, is characterized in that the force developed by the elastic means of the valve is sufficient to maintain this valve closed despite the air pressure developed by the air compression means when the push button is pressed, and that control means are provided to ensure the opening of the valve, these control means comprising a stop clean to come to rest against the valve to move it away from its seat at the end of the push button pushing stroke.
  • the volume of compressed air used to clean the liquid passage channels corresponds to practically all of the air which was trapped in the air compression means at the start of depressing the push button and the pressure of this air, at the end of depressing the push-button, can be relatively high.
  • the cleaning effect of the channels is thereby significantly enhanced.
  • the air compression means comprise a deformable envelope fixed on the edge of the container opening and connected to the push button so as to determine a closed chamber, the push button acting in the manner of a piston. when pushed in, to compress the air in this room.
  • the passage means provided in the push-button communicate, at one end, with the above-mentioned chamber and open, at their other end, in the diffuser towards the above-mentioned nozzle.
  • the passage means advantageously comprise a longitudinal pipe parallel to the axis of the container and to the direction of insertion of the push button, and a transverse pipe connected, on one side, to a channel of the diffuser for the outlet of the liquid to the nozzle and communicating, on the other side, with a housing connected to the aforesaid longitudinal pipe, the aforementioned closure means being disposed in this housing.
  • the seat of the shutter means valve is preferably located in the above-mentioned housing.
  • the stop may be constituted by a rod substantially parallel to the axis of the container but offset radially relative to this axis, suitable for engaging in said longitudinal pipe which opens into the housing equipped with the valve.
  • the deformable envelope delimiting the closed chamber is advantageously constituted by an accordion bellows, in a flexible material, comprising at its lower part a flange coming to cover the edge of the opening of the container and connected at its other end in a sealed manner to the button -pusher.
  • Figure 1 of these drawings is a schematic section of the upper end of a liquid container equipped with a device for spraying according to the invention.
  • Figure 2 shows the device of Figure 1 during spraying.
  • FIG. 3 shows, similarly to FIG. 1, the device at the end of a use, the push button being completely depressed.
  • a device 1 for spraying a liquid L contained in a container 2 constituting a bottle The liquid L is capable of hardening on drying and is composed, for example, of a volatile solvent and of a product dissolved in this solvent.
  • An example of such a liquid L is that of lacquers intended to be applied to the hair.
  • the container 2 made for example of light alloy, is provided with an opening 3 in the upper part whose edge 4 is rolled.
  • the opening 3 is equipped with a manual pump 5, schematically shown.
  • the body 6 of the pump is blocked in a cup 3 is crimped on the edge 4 of the opening 3, while a member 7 for controlling a piston of the pump is projecting upwards.
  • a dip tube 8 extending from the pump 5 extends to the bottom of the container 2.
  • This member 7 is recalled upwards by elastic means not visible in the drawing.
  • the control member 7 is crossed by a passage (not visible in the drawing) which allows the pumped liquid to pass through a diffuser 10 provided in the push-button 9.
  • This diffuser 10 comprises an axial channel 11 starting from the upper end of the control member 7 and communicating with the passage provided in this member 7; in the upper part, the channel 11 communicates with a transverse channel 12 opening into a spray nozzle 13 provided on the external lateral wall of the push button 9.
  • liquid tends to remain in the diffuser 10, in particular in the transverse channel 12 and the nozzle 13. As it dries, the liquid would harden and would end up causing a clogging of the spraying device so that it would be necessary to carry out a cleaning to allow correct operation again.
  • the invention provides means E for expelling the liquid contained inside the diffuser 10, and in particular inside the channel 12 and the nozzle 13, at the end of each use. ; these expulsion means E are actuated by the push button 9 and integrated, at least in part, in this push button.
  • the means E for expelling the liquid comprise means C for compressing air actuated by depressing the push button 9, and means F for discharging the compressed air through the channel 12 of the diffuser and the nozzle 13; these evacuation means F are put into action at the end of depressing the push button 9.
  • the air compression means C comprise a deformable envelope 14 advantageously constituted by an accordion bellows 15, of flexible material, in particular of elastomeric material.
  • the bellows 15 comprises, at its lower part, a flange 16 which covers the edge 4 of the opening and clings to it, so that the bellows 15 is thus fixed on this edge 4.
  • the other end 17 of the bellows 15, in the form of a cylindrical skirt, is tightly connected to the push button 9, by engagement with tightening in an annular slot provided in the lower part of this push button.
  • the bellows 15 delimits a closed chamber 18 in which the pump body 6 and the control member are located.
  • the push button 9 which closes the chamber 18 upwards acts like a piston when it is pressed in. and compresses the air contained in room 18.
  • the means F for evacuating the compressed air comprise passage means, provided in the push button 9, formed by a longitudinal pipe 19 parallel to the axial channel 11 and to the direction of insertion of the push button, and a transverse pipe 20 connected, on one side, to the transverse channel 12 of the diffuser and communicating, on the other side, with a housing 21 connected to the pipe 19.
  • the housing 21 opens onto the upper surface of the push button 9.
  • a plug 22 is provided to close the housing 21 to the outside.
  • the discharge means F further comprise means for closing the channel 19 constituted by a valve 23, with a ball 24, the seat of which is located in the housing 21, at the outlet of the channel 19.
  • the force developed by the spring 25 is sufficient to keep the ball 24 in the closed position, pressing against its seat, when the push button 9 is pressed and the air is compressed in the chamber 18.
  • the means F for evacuating the compressed air further comprise means 26 for controlling the opening of the valve 23 at the end of depressing the push-button 9.
  • the control means 26 comprise a stop constituted by a rod 27, integral with an annular ring 27 a , for example made of plastic, blocked in the cup 3 a .
  • the rod 27 is substantially parallel to the axis of the container, but offset radially relative to this axis.
  • the rod 27 is suitable for entering the channel 19 with sufficient play to let the air pass.
  • the length of the rod 27 is such that at the end of depressing the push-button 9 it comes into contact with the ball 24 and lifts it from its seat, thus ensuring the opening of the valve 23.
  • An air return valve is provided to allow the entry of air into the chamber 18 when it is increasing in volume, and to close and prevent any exit from air during compression.
  • the device 1 In the rest position, the device 1 is in the configuration shown in FIG. 1.
  • the chamber 18 contains air at atmospheric pressure and the valve 23 is closed.
  • this push-button 9 goes down and pushes in the control member 7 causing the pumping of the liquid L which crosses the axial channel 11 then goes through the transverse channel 12 towards the spray nozzle 13 to exit in the form of a jet 28 of fine droplets.
  • the valve 23 remains closed and the air trapped in the chamber 18 is compressed by pressing the pusher 9.
  • the rod 27 comes to lift the ball 24 which allows the compressed air from the chamber 18 to escape, through the transverse channel 2, to through the other transverse channel 12 and through the nozzle 13 while pushing outwards the liquid which may have remained in the channel 12 and the nozzle 13.
  • the chamber 18 increases in volume and is filled with air, coming from the outside, through the return valve d 'air, not visible in the drawing.

Landscapes

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

Claims (7)

  1. Vorrichtung zum Zerstäuben einer beim Trocknen aushärtbaren Flüssigkeit, insbesondere eines Lacks, die in einem Behälter (2) enthalten ist, der eine Öffnung (3) aufweist, die mit einer Pumpe (5) ausgestattet ist, die durch einen über dem Pumpenkörper (6) befindlichen Druckknopf (9) betätigbar ist und welche die gepumpte Flüssigkeit durch einen Zerstäuber (10) fördert, der eine in dem Druckknopf vorgesehene Zerstäuberdüse (13) umfaßt, wobei die Vorrichtung wenigstens teilweise in den Druckknopf integrierte Ausstoßmittel (E) für die im Inneren des Zerstäubers (10) enthaltene Flüssigkeit umfaßt, ferner Luftverdichtungsmittel (C) und Auslaßmittel (F) für die komprimierte Luft durch den Zerstäuber (10), welche durch das Hineindrücken des Druckknopfes betätigt werden, wobei die Auslaßmittel (F) für die komprimierte Luft in dem Druckknopf vorgesehene Durchlaßmittel (19,20) und Verschlußmittel (23) für diese Durchlaßmittel umfassen, wobei die Verschlußmittel (23) eine unter der Einwirkung von elastischen Mitteln (25) stehende Klappe (23) umfassen, dadurch gekennzeichnet, daß die von den elastischen Mitteln der Klappe (23) entwickelte Kraft, trotz des von den Luftverdichtungsmitteln beim Hineindrücken des Druckknopfes erzeugten Luftdrucks, groß genug ist, die Klappe (23) verschlossen zu halten und daß Betätigungsmittel (26) zur Öffnung der Klappe (23) vorgesehen sind, wobei die Betätigungsmittel (26) einen Anschlag (27) umfassen, der am Ende des Eindrückweges des Druckknopfes (9) gegen die Klappe (23) in Anlage kommt, um diese von ihrem Sitz zu entfernen.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Luftverdichtungsmittel (C) eine verformbare Hülle (14) umfassen, die auf dem Rand (4) der Öffnung (3) des Behälters befestigt und mit dem Druckknopf (9) so verbunden ist, daß eine abgeschlossene Kammer (18) gebildet wird, wobei der Druckknopf (9) beim Hineindrücken wie ein Kolben wirkt, um die in der Kammer (18) enthaltene Luft zu komprimieren.
  3. Vorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, daß die in dem Druckknopf vorgesehenen Durchlaßmittel (19,20) an einem Ende mit der Kammer (18) kommunizieren und an ihrem anderen Ende in den Zerstäuber (10) in Richtung Düse (13) münden.
  4. Vorrichtung gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Durchlaßmittel (19,20) einen zur Behälterachse (2) und Eindrückrichtung des Druckknopfes parallelen Längskanal (19) und eine Querleitung (20) umfassen, die auf einer Seite mit einem Kanal (12) des Zerstäubers (10) für den Austritt der Flüssigkeit Richtung Düse (13) verbunden ist und auf der anderen Seite mit einer Ausnehmung (21) kommuniziert, die mit dem Längskanal (19) verbunden ist, wobei die Verschlußmittel (23) in der Ausnehmung angeordnet sind.
  5. Vorrichtung gemäß Anspruch 4, dadurch gekennzeichnet, daß die Klappe (23) einen in der Ausnehmung (21) befindlichen Sitz aufweist.
  6. Vorrichtung gemäß Anspruch 5, dadurch gekennzeichnet, daß der Anschlag (27) aus einem zur Behälterachse im wesentlichen parallelen, aber zu dieser Achse radial versetzten Schaft besteht, der in den Längskanal (19) eindringen kann, der in der mit der Klappe ausgestatteten Ausnehmung (21) mündet.
  7. Vorrichtung gemäß einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß der verformbare Mantel, der die abgeschlossene Kammer (18) begrenzt, aus einem Ziehharmonikaartigen Blasebalg (15) aus nachgiebigem Material besteht, der im unteren Bereich einen Kragen (16) umfaßt, der den Rand der Behälteröffnung (3) bedeckt, und an seinem anderen Ende (17) dicht mit dem Druckknopf (9) verbunden ist.
EP92401539A 1991-06-17 1992-06-04 Sprühvorrichtung für eine beim Trocknen aushärtende Flüssigkeit, insbesondere für Lacke Expired - Lifetime EP0519779B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9107361 1991-06-17
FR9107361A FR2677617B1 (fr) 1991-06-17 1991-06-17 Dispositif pour la pulverisation d'un liquide susceptible de durcir en sechant, en particulier d'une laque, et bouton-poussoir pour un tel dispositif.

Publications (2)

Publication Number Publication Date
EP0519779A1 EP0519779A1 (de) 1992-12-23
EP0519779B1 true EP0519779B1 (de) 1995-04-26

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ID=9413907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92401539A Expired - Lifetime EP0519779B1 (de) 1991-06-17 1992-06-04 Sprühvorrichtung für eine beim Trocknen aushärtende Flüssigkeit, insbesondere für Lacke

Country Status (4)

Country Link
EP (1) EP0519779B1 (de)
DE (1) DE69202201T2 (de)
ES (1) ES2071452T3 (de)
FR (1) FR2677617B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792913B1 (fr) 1999-04-29 2001-06-01 Oreal Dispositif pour l'actionnement d'un organe de distribution notamment une valve, et ensemble equipe du dispositif d'actionnement selon l'invention
BR0316936A (pt) * 2002-12-13 2005-10-18 Incro Ltd Dispositivo de tubeira com ação de recalque, atuador de gatilho, e, recipiente
GB0520608D0 (en) * 2005-10-11 2005-11-16 Incro Ltd Pump dispenser
FR3079428B1 (fr) * 2018-04-03 2020-08-14 Aptar France Sas Tete de distribution de produit fluide.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2070951A5 (de) * 1969-12-05 1971-09-17 Jaffreo Albert
DE3722470A1 (de) * 1987-07-08 1989-01-19 Pfeiffer Erich Gmbh & Co Kg Handbetaetigbare austragvorrichtung fuer medien
DE4011537A1 (de) * 1990-04-10 1991-10-17 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer mindestens ein medium

Also Published As

Publication number Publication date
FR2677617B1 (fr) 1995-01-06
DE69202201T2 (de) 1996-01-18
EP0519779A1 (de) 1992-12-23
ES2071452T3 (es) 1995-06-16
FR2677617A1 (fr) 1992-12-18
DE69202201D1 (de) 1995-06-01

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