EP1980332B1 - Sprühpumpe für eine Flüssigkeit in einem Flakon - Google Patents

Sprühpumpe für eine Flüssigkeit in einem Flakon Download PDF

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Publication number
EP1980332B1
EP1980332B1 EP08290253.7A EP08290253A EP1980332B1 EP 1980332 B1 EP1980332 B1 EP 1980332B1 EP 08290253 A EP08290253 A EP 08290253A EP 1980332 B1 EP1980332 B1 EP 1980332B1
Authority
EP
European Patent Office
Prior art keywords
pump
sleeve
liquid
orifice
bottle
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.)
Active
Application number
EP08290253.7A
Other languages
English (en)
French (fr)
Other versions
EP1980332A1 (de
Inventor
Eric Rossignol
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.)
Albea Lacrost SAS
Original Assignee
Rexam Dispensing SMT SAS
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 Rexam Dispensing SMT SAS filed Critical Rexam Dispensing SMT SAS
Publication of EP1980332A1 publication Critical patent/EP1980332A1/de
Application granted granted Critical
Publication of EP1980332B1 publication Critical patent/EP1980332B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/01—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
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • 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
    • B05B11/1066—Pump inlet valves
    • 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
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/1094—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 having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • the invention relates to a pump intended to be mounted on a bottle so as to allow the dispensing of a liquid contained in said bottle, and a bottle containing a liquid product on which such a pump is mounted.
  • the liquid is of the gel or cream type, for example for use in cosmetics or for pharmaceutical treatments.
  • WO-2007/068807 state of the art under Article 54 (3) EPC
  • a pump comprising a sleeve carried by an axial displacement actuating head provided with an ejection duct and a closure member.
  • the invention aims to simplify the production of such pumps by proposing a design consisting of simple parts to achieve and limited number.
  • the pump according to the invention provides a sealing of the closure which is improved so as to be able to dispense liquids whose sensitivity to air is important. Therefore, the combined use of a pump according to the invention with a bottle containing an air sensitive liquid is particularly advantageous.
  • liquids containing a solvent which can evaporate rapidly for example based on alcohol or water, or containing photosensitive substances, for example sunscreens, or easily oxidizable, for example vitamins including vitamin C.
  • the operation of the pump according to the invention limits the pressure setting of the liquid during dispensing.
  • the combined use of a pump according to the invention with a bottle containing a liquid sensitive to mechanical stresses is also particularly advantageous.
  • liquids for example creams, capable of undergoing physico-chemical transformation under pressure, in particular a separation or a phase change.
  • the operation of the pump according to the invention also allows the dispensing of particularly viscous liquids.
  • the invention proposes a pump according to claim 1.
  • the invention proposes a bottle containing a liquid product, said bottle comprising a ring on which the hoop of such a pump is mounted with the orifice in communication with the liquid.
  • Figures 1 to 6 appended are views in longitudinal section of a bottle equipped with a pump according to one embodiment of the invention, in the following different use positions: at rest ( figure 1 ), in the ejection position of the liquid ( Figures 2-4 ), in the suction position of the liquid ( figure 5 ) and in position after use ( figure 6 ).
  • the liquid is a gel or a cream, for cosmetic use or for pharmaceutical treatments.
  • the bottle comprises a body 1 surmounted by a ring 2 on which the pump is mounted.
  • a plunger 3 of the liquid is slidably mounted in the body 1 so as to push the liquid into said pump for distribution without air intake.
  • the bottle comprises, opposite the pump, a vent hole 4.
  • the pump comprises a hoop 5 secured in the ring 2 of the bottle, said hoop comprising an orifice 6 for placing the pump in communication with the liquid contained in the body 1. More specifically, the hoop 5 is sealingly mounted on the ring 2 with the orifice 6 in communication with the liquid.
  • the bottle comprises a cover 11 which is mounted on the outside of the outer sleeve 7, above the portion fitted in the ring 2.
  • the pump comprises a push button 12 which is provided with an ejection orifice 13 of the liquid, said push button being mounted on the hoop 5 in translation constrained by an elastic return means formed of a spring 14. More specifically, the push button comprises a skirt provided with the orifice 13 for a substantially radial ejection. In addition, the skirt comprises an annular ring 15 which cooperates, on the translation stroke, with a groove 16 formed on the outer sleeve 7.
  • the pump also comprises a metering sleeve 18 which is mounted in the push button 12 to be secured to it on the translational stroke.
  • the sleeve 18 is surrounded by an outer skirt 19 which comprises an annular flange 20 cooperating with a groove 21 formed in the skirt of the button pusher 12, so as to form sealed association zone between said sleeve and said push button.
  • the radial wall 22 connecting the skirt 19 and the sleeve 18 forms a stop surface of the spring 14, said spring being furthermore disposed around the inner sleeve 8 of the hoop 5.
  • the metering sleeve 18 also integrates, in one piece, for example made by molding, a closure needle 23 of the ejection orifice 13 and a device for reversibly moving said needle between a closed position and a position of ejection.
  • the needle 23 is disposed in the sealed volume formed in the upper part of the push button 12, and more precisely under the upper wall of said push button.
  • orifices are provided on the upper part of the metering sleeve 18.
  • the pump also comprises a metering piston 24 which comprises a channel 25 for distributing the liquid, said channel being equipped with a closing valve 26 of the orifice 6.
  • the metering piston 24 has a cylindrical geometry of revolution, and can be realized by molding a plastic material.
  • the piston 24 is mounted in sealed translation in the hoop 5 between an open position and a closed position of the orifice 6 by means of the valve 26. Moreover, the metering sleeve 18 and the piston 24 are mounted in sealed translation relative to each other so as to define between them a liquid dosing chamber.
  • the distribution channel 25 is mounted in leaktight sliding in the central sleeve 10.
  • the valve 26 is formed of a nipple which, in the closed position, engages sealingly in the dispensing orifice 6, said nipple being mounted in the lower end of the channel 25 via material bridges allowing the passage of liquid around said nipple in the open position.
  • an annular sealing lip 29 is formed on the outer wall of the channel 25, around the stud, so as to come into rubbing contact on the inner wall of the central sleeve 10.
  • the pump also comprises an actuating member 30 which is integral with the needle displacement device 23 and slidably mounted in the metering piston 24.
  • the sliding assembly is arranged, by pressing the push button 12, to actuate the displacement device and for arranging the valve 26 in the closed position so as to allow ejection of the liquid from the metering chamber.
  • the actuating member 30 is formed of a rod which is slidably mounted inside the distribution channel 25 with sufficient interference to actuate the needle 23 and the valve 26.
  • the rod is provided with a sliding ring 31 in the channel 25, said ring comprising a rear flange which cooperates with a radial abutment 32 provided on the periphery of the channel 25 so as to define the upper limit of said ring within said channel.
  • the actuating member 30, and in particular the rod 31 may be made of plastic material whose hardness is greater than that forming the piston 24, for example polypropylene for the member 30 and polyethylene for the piston 24.
  • the actuating member 30 comprises radial fins 33 which extend from the rod so as to form axial fluid passages therebetween through said member.
  • the needle 23 comprises an arm 34 whose front end is provided with a sealing head 35 which engages sealingly in the ejection orifice 13. the rear end of the arm 34 is associated with the metering sleeve 18 via the displacement device.
  • the device for moving the needle 23 comprises a flange 36 associated with the actuating member 30 and a connecting rod 37 arranged to transform an axial displacement of the actuating member 30 in translation of the arm 34 relative to the pushbutton 12.
  • the rod 37 is provided with three joints - internal, external, upper - with respectively said flange, the inside of the metering sleeve 18 and the rear end of the arm 34.
  • the link 37 is elastically deformable between internal and external joints.
  • the rod 37 comprises a rear wall 38 formed between the outer and upper hinges and, in the embodiment shown, the rod 37 comprises a bridge 39 of elastically deformable material which is curved to connect the rear wall 38 to the collar 36.
  • the needle displacement device 23 further comprises an elastically deformable element 40 which is provided with an internal articulation with the flange 36 and an external articulation with the inside of the metering sleeve 18.
  • the elastically deformable element 40 is formed a bridge of U-shaped material on each end of which are formed the joints. According to the embodiment shown, the joints are made by thinning material.
  • the elastically deformable element 40 is provided opposite to the link 37 with respect to the axis of the metering sleeve 18. More specifically, the collar 36 has a substantially rectangular geometry, each small side of which carries an internal articulation, respectively.
  • the flange 36 also comprises an orifice in which the head 41 of the actuating member 30 is snapped.
  • the needle 23 is moved to the ejection position by pressing the flange 36 which is movable on the actuating member 30 which is fixed. To do this, the force required to move the rod 31 in the channel 25 is arranged to be greater than that required to actuate the displacement device via the flange 36. It will be noted that the opening of the orifice ejection 13 was carried out substantially without pressurizing the liquid, only by mechanical interaction between the parts of the pump.
  • the rod 31 moves in the channel 25 so as to reduce the volume of the metering chamber and thus to cause the distribution of the liquid through the ejection orifice 13.
  • the setting liquid pressure is also very limited.
  • the figure 5 shows the push button 12 at the end of the dispensing stroke, until before the ascent under the effect of the spring 14.
  • the stop of pressing the push button 12 moves the needle 23 in the closed position .
  • the valve 26 is moved to the open position ( figure 6 ) to allow the aspiration of the liquid into the metering chamber during the raising of the push button 12.

Landscapes

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

Claims (16)

  1. Pumpe, dazu vorgesehen, auf einem Fläschchen montiert zu werden, um die Abgabe einer Flüssigkeit, die im dem Fläschchen enthalten ist, zu ermöglichen, wobei die Pumpe Folgendes umfasst:
    - einen Schrumpfring (5), der ausgelegt ist, um mit dem Fläschchen fest verbunden zu sein, wobei der Schrumpfring ein Loch (6) zur Verbindung mit Flüssigkeit umfasst,
    - einen Druckknopf (12), umfassend ein Loch (13) zum Ausstoß der Flüssigkeit, wobei der Druckkopf in Translation auf dem Schrumpfring montiert ist, gespannt durch ein elastisches Rückstellmittel (14),
    - eine Dosierungsmuffe (18), die in dem Druckknopf montiert ist,
    - einen Dosierkolben (24), umfassend einen Kanal (25) zur Abgabe der Flüssigkeit, wobei der Kanal mit einer Klappe (26) zum Verschluss des Lochs (6) zur Verbindung ausgestattet ist, wobei der Kolben (24) in dichter Translation in dem Schrumpfring (5) montiert ist, zwischen einer Position der Öffnung und einer Position des Verschlusses des Lochs mit Hilfe der Klappe, wobei die Muffe (18) und der Kolben (24) in dichter Translation mit Bezug aufeinander montiert sind, um zwischen ihnen eine Dosierkammer der Flüssigkeit zu definieren.
    wobei die Pumpe dadurch gekennzeichnet ist, dass die Muffe (18) in einem Stück eine Düsennadel (23) zum Abdichten des Ausstoßlochs (13) umfasst, und eine Vorrichtung zur umkehrbaren Verschiebung der Düsennadel (23) zwischen einer Abdichtungsposition und einer Ausstoßposition;
    - und dadurch, dass die Pumpe ein Betätigungsorgan (30) umfasst, das mit der Vorrichtung zur Verschiebung der Düsennadel (23) fest verbunden und gleitend im Dosierkolben (24) montiert ist, wobei die gleitende Montage, durch Auflage auf dem Druckknopf (12), angeordnet ist, um die Verschiebungsvorrichtung zu betätigen, und um die Klappe (26) in der Verschlussposition zu positionieren, um den Ausstoß der Flüssigkeit aus der Dosierkammer zu ermöglichen.
  2. Pumpe nach Anspruch 1, dadurch gekennzeichnet, dass die Düsennadel (23) einen Arm (34) umfasst, dessen vorderes Ende mit einem Dichtkopf (35) versehen ist, wobei das hintere Ende des Arms mit Hilfe der Verschiebungsvorrichtung mit der Dosierungsmuffe (18) assoziiert ist.
  3. Pumpe nach Anspruch 2, dadurch gekennzeichnet, dass die Vorrichtung zur Verschiebung der Düsennadel (23) einen Kragen (36) umfasst, der mit dem Betätigungsorgan (30) assoziiert ist, wobei die Vorrichtung außerdem eine Verbindungsstange (37) umfasst, die angeordnet ist, um eine axiale Verschiebung des Betätigungsorgans (30) in Translation des Arms (34) mit Bezug auf den Druckknopf (12) umzuwandeln.
  4. Pumpe nach Anspruch 3, dadurch gekennzeichnet, dass die Verbindungsstange (37) mit drei Gelenken versehen ist
    - intern, extern, oben - mit jeweils dem Kragen (36), dem Inneren der Dosiermuffe (18) und dem hinteren Ende des Arms (34).
  5. Pumpe nach Anspruch 4, dadurch gekennzeichnet, dass die Verbindungsstange (37) eine hintere Wand (38) umfasst, gebildet zwischen dem externen und dem oberen Gelenk, wobei die Muffe einen Anschlag (43) für die Wand umfasst, wenn sich die Düsennadel (23) in der Ausstoßposition befindet.
  6. Pumpe nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Verbindungsstange (37) zwischen dem internen und dem externen Gelenk elastisch verformbar ist.
  7. Pumpe nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die Vorrichtung zur Verschiebung der Düsennadel (23) außerdem ein elastisch verformbares Element (40) umfasst, versehen mit einem internen Gelenk mit dem Kragen (36) und mit einem externen Gelenk mit dem Inneren der Dosiermuffe (18).
  8. Pumpe nach Anspruch 7, dadurch gekennzeichnet, dass das elastisch verformbare Element (40) gegenüber der Verbindungsstange (37) mit Bezug auf die Achse der Dosiermuffe (18) vorgesehen ist.
  9. Pumpe nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, dass das Betätigungsorgan (30) einen Kopf (41) umfasst, der in einem Loch, das im Kragen (36) vorgesehen ist, eingeklinkt ist.
  10. Pumpe nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Schrumpfring (5) eine innere Muffe (8) umfasst, in der die äußere Wand des Dosierkolbens (24) dicht gleitend mit Hilfe der Dosiermuffe (18) montiert ist.
  11. Pumpe nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Schrumpfring (5) eine zentrale Muffe (10) umfasst, in der der Abgabekanal (25) dicht gleitend montiert ist, wobei die untere Wand der Muffe mit dem Loch (6) zur Verbindung versehen ist.
  12. Pumpe nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass das Betätigungsorgan (30) gleitend im Inneren des Abgabekanals (25) montiert ist, mit einer ausreichenden Interferenz, um die Düsennadel (23) und die Klappe (26) zu betätigen.
  13. Pumpe nach Anspruch 12, dadurch gekennzeichnet, dass das Betätigungsorgan (30) mit einem Gleitreif (31) im Kanal (25) versehen ist, wobei der Reif einen hinteren Rand umfasst, der mit dem radialen Anschlag (32) zusammenarbeitet, der auf dem Umfang des Kanals (25) vorgesehen ist.
  14. Pumpe nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass das Betätigungsorgan (30) mindestens einen Flüssigkeitsdurchgang dadurch umfasst.
  15. Fläschchen, enthaltend ein flüssiges Produkt, wobei das Fläschchen einen Ring (2) umfasst, auf dem der Schrumpfring (5) einer Pumpe nach einem der Ansprüche 1 bis 14 montiert ist, mit dem Loch (6) in Verbindung mit der Flüssigkeit.
  16. Fläschchen nach Anspruch 15, dadurch gekennzeichnet, dass es außerdem einen Mitnahmekolben (3) umfasst, der gleitend im Fläschchen montiert ist, um die Flüssigkeit für ihre Abgabe ohne Aufnahme von Luft in die Pumpe zu drücken.
EP08290253.7A 2007-04-12 2008-03-17 Sprühpumpe für eine Flüssigkeit in einem Flakon Active EP1980332B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702677A FR2914963B1 (fr) 2007-04-12 2007-04-12 Pompe de distribution d'un liquide contenu dans un flacon

Publications (2)

Publication Number Publication Date
EP1980332A1 EP1980332A1 (de) 2008-10-15
EP1980332B1 true EP1980332B1 (de) 2013-05-08

Family

ID=38564586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290253.7A Active EP1980332B1 (de) 2007-04-12 2008-03-17 Sprühpumpe für eine Flüssigkeit in einem Flakon

Country Status (6)

Country Link
US (1) US7854355B2 (de)
EP (1) EP1980332B1 (de)
CN (1) CN101301945B (de)
BR (1) BRPI0801698B1 (de)
ES (1) ES2423928T3 (de)
FR (1) FR2914963B1 (de)

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Also Published As

Publication number Publication date
FR2914963A1 (fr) 2008-10-17
CN101301945A (zh) 2008-11-12
BRPI0801698B1 (pt) 2020-03-24
ES2423928T3 (es) 2013-09-25
CN101301945B (zh) 2012-06-06
EP1980332A1 (de) 2008-10-15
BRPI0801698A2 (pt) 2008-11-25
FR2914963B1 (fr) 2009-07-10
US7854355B2 (en) 2010-12-21
US20080251542A1 (en) 2008-10-16

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