EP2052786B1 - Sprühpumpe für eine Flüssigkeit in einem Flakon - Google Patents

Sprühpumpe für eine Flüssigkeit in einem Flakon Download PDF

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Publication number
EP2052786B1
EP2052786B1 EP08290937A EP08290937A EP2052786B1 EP 2052786 B1 EP2052786 B1 EP 2052786B1 EP 08290937 A EP08290937 A EP 08290937A EP 08290937 A EP08290937 A EP 08290937A EP 2052786 B1 EP2052786 B1 EP 2052786B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
needle
pump according
liquid
pump
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
EP08290937A
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English (en)
French (fr)
Other versions
EP2052786A1 (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 EP2052786A1 publication Critical patent/EP2052786A1/de
Application granted granted Critical
Publication of EP2052786B1 publication Critical patent/EP2052786B1/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
    • B05B11/1042—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
    • B05B11/1001—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
    • B05B11/1052—Actuation means
    • B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation
    • 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

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.
  • the document FR 2 893 314 discloses a pump according to the preamble of claim 1.
  • 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, especially 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.
  • sensitive to mechanical stresses means liquids, for example creams, capable of undergoing a physicochemical transformation under pressure, including a separation or a phase change.
  • the pump proposed by the invention is particularly compact so that it can be used in combination with vials of reduced diameter, for example between 30 and 45 mm, for a volume of between 30 and 50 ml and a volume of dose between 300 and 500 ⁇ l.
  • the operation of the pump according to the invention also allows the dispensing of particularly viscous liquids.
  • 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.
  • the liquid is a gel or a cream, for cosmetic use or for pharmaceutical treatments.
  • the bottle comprises a body surmounted by a ring 1 on which the pump is mounted.
  • a follower piston (not shown) of the liquid is slidably mounted in the body so as to bring the liquid into said pump for distribution without air intake.
  • the bottle comprises, opposite the pump, a vent hole.
  • the pump comprises a hoop 2 secured in the ring 1 of the bottle, said hoop comprising an orifice 3 for placing the pump in communication with the liquid contained in the body. More specifically, the hoop 2 is sealingly mounted on the ring 1 with the orifice 3 in communication with the liquid.
  • the pump comprises a push button 8 which is provided with an ejection orifice 9 of the liquid, said push button being mounted on the hoop 2 in translation constrained by an elastic return means formed of a spring 10. More specifically, the push button 8 comprises a skirt provided with the orifice 9 for a substantially radial ejection.
  • the pump also comprises a metering sleeve 11 which is mounted in the push button 8 to be moved by it on the translation travel.
  • the sleeve 11 is surrounded by an outer skirt 12 which comprises an annular flange 13 cooperating with a groove 14 formed in the skirt of the push button 8, so as to form a sealed association zone between said sleeve and said push button.
  • the association is made reliable by the formation of a projection 15 formed in the skirt of the push button 8 to maintain said flange in position in said groove.
  • the radial connecting wall between the skirt 12 and the sleeve 11 forms an abutment surface of the spring 10, said spring being furthermore disposed around the inner sleeve 5 of the hoop 2.
  • the pump also comprises a metering piston 16 which comprises a liquid distribution channel 17, said channel being equipped with a valve for closing the orifice 3.
  • the metering piston 16 has a cylindrical geometry of revolution, and can be realized by molding a plastic material.
  • the piston 16 and the sleeve 11 define between them a liquid metering chamber and are mounted in sealed translation relative to each other on a distribution stroke / suction of the liquid.
  • the metering sleeve 11 is slidably mounted in a space 18 formed between the inner and central sleeves 5 and 7.
  • the metering sleeve 11 is in rubbing contact with sealing means formed on the piston 16, said means comprising an upper lip 19 and a lower lip 20 which are formed in the vicinity of the upper end of the piston 16.
  • sealing means formed on the piston 16
  • said means comprising an upper lip 19 and a lower lip 20 which are formed in the vicinity of the upper end of the piston 16.
  • the metering piston 16 is fixed by fitting in the central sleeve 7, said fitting being made reliable by the cooperation of a groove 21 and a projection 22 respectively provided on the sleeve 7 and in the piston 16.
  • the valve comprises a ball 23 which is mounted on a seat formed on the port 3 of communication, said seat being provided with claws 24 for limiting the upward movement of said ball.
  • the use of a ball 23 makes it possible to attain a suction power of the liquid which is important, in particular in that it is possible to cumulate the aspirations since the air is not reintroduced into the bottle. .
  • the pump further comprises a needle 25 for closing off the ejection orifice 9 which, in the embodiment shown, has an arm 25a whose front end is provided with a closure head 25b which has just been closed. engage sealingly in the ejection port 9.
  • the needle 25 is dissociated from the metering sleeve 11, that is to say that said needle and said sleeve are made in two separate parts, in particular by molding.
  • the needle 25 can thus be made of a more ductile material than that forming the push button 8, in particular polyethylene relative to the polypropylene, so as to allow a better conformation of the head 25b in the orifice 9.
  • the displacement of the needle 25 can then be optimized relative to its sealing function of the orifice 9.
  • the translation of the needle 25 is made along the axis of the orifice 9 , so as to make reliable the centering of the head 25b in said orifice and to improve the plating of said head in said orifice.
  • the rear end of the arm 25a is mounted on the metering sleeve 11 via a fork 26 in which an axis 27 formed laterally on either side of said needle is engaged.
  • the needle 25 is mounted on the metering sleeve 11 by means of a reversible displacement device of said needle between a closed position and an ejection position, said device being actuated by interference between the sleeve 11 and the piston 16 during the displacement of the push button 8 on the hoop 2.
  • the needle 25 is disposed in the sealed volume formed in the upper part of the push button 8, and more precisely under the upper wall of said push button.
  • the push button 8 comprises guide surfaces of the translation of the needle 25 and a stop 28 for said needle in the ejection position.
  • the button has a forward guide surface 29 formed in the vicinity of the orifice 9 and a rear guide surface 30 which is extended by the stop 28 to form a housing for the rear end of the needle 25.
  • the metering sleeve 11 comprises a hollow tube 31 which is integrated in a body of the sleeve 32 via the displacement device, said body being mounted in translation in the space 18.
  • tube 31 is slidably mounted in the metering piston 16 with sufficient interference to actuate said device before or at the beginning of the translation on the distribution / suction stroke.
  • the periphery of the tube 31 is provided with a sliding rod 33 in the channel, said rod cooperating with a stop 34 provided in the piston 16 so as to define the upper limit of the rod 33 inside. of the canal 17.
  • the displacement device comprises at least one rod 35 which is arranged to allow a reversible displacement of the body 32 of the metering sleeve 11 with respect to the tube 31, said device being furthermore arranged to transform said displacements in translation of the needle 25 relative to said push button in a respectively ejection and shutter position.
  • the rod 35 is provided with mounting means of the rod, that is to say the fork 26 in the figures.
  • the tube 31 is integrated in the body 32 of the metering sleeve 11 by means of two links 35 each having an internal articulation 35a and an external articulation 35b with respectively the tube 31 and the body 32.
  • the joints are made by thinning material.
  • the rods 35 are disposed, on either side of the tube 31, in the plane containing the direction of translation of the needle 25, and the rear end of the arm 25a is mounted on the rear link.
  • the rear link has an inclined upper surface which is formed between the jaws of the fork 26, so as to interfer with the needle 25 in the ejection position. This surface, possibly in combination with the stop 28 formed in the button 8, makes it possible in particular to mechanically maintain the needle 25 when it is in the ejection position, so as to limit the stresses to which the displacement device is subjected on the stroke of distribution.
  • a stop 36 is formed to limit the upward movement of the tube 31 relative to the body 32, said stop being formed in the push button 8 to bear on said tube at the end of the downward movement of the body 32 ( Figures 2 and 3 ).
  • the needle 25 By pressing the push button 8 ( figure 2 ), before or at the beginning of the dispensing stroke, the needle 25 is moved into the ejection position by displacement of the body 32 relative to the tube 31. To do this, the force required to move the rod 33 in the channel 17 is arranged to be greater than that required to rotate the links 35 according to the arrows shown. Thus, by pivoting, the rear link pulls on the axis 27 of the needle 25 so as to move it axially. It will be noted that the opening of the ejection orifice 9 has been made substantially without pressurizing the liquid, only by mechanical interaction between the parts of the pump.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Closures For Containers (AREA)
  • Reciprocating Pumps (AREA)

Claims (16)

  1. Pumpe, die dazu bestimmt ist, auf eine Flasche montiert zu werden, um eine Flüssigkeit spenden zu können, die in der besagten Flasche enthalten ist, wobei die besagte Pumpe folgendes umfasst:
    - einen Bund (2), der dazu bestimmt ist, kraftschlüssig mit der Flasche verbunden zu werden, wobei der besagte Bund eine Öffnung (3) zur Verbindung mit der Flüssigkeit umfasst;
    - einen Druckknopf (8) umfassend eine Öffnung (9) zur Ausgabe der Flüssigkeit, wobei der besagte Druckknopf mit einer durch eine elastische Rückholvorrichtung (10) erzwungenen Vorwärtsbewegung auf dem besagten Bund montiert ist;
    - eine Dosiermuffe (11), die im besagten Druckknopf montiert ist, und einen Dosierkolben (16), der im besagten Bund montiert ist, wobei der besagte Dosierkolben einen Kanal (17) zum Spenden der Flüssigkeit umfasst, und der besagte Kanal mit einer umkehrbaren Klappe (23) zum Verschließen der Öffnung (3) zur Verbindung mit der Flüssigkeit ausgestattet ist, und die besagte Muffe und der besagte Kolben miteinander eine Dosierkammer für die Flüssigkeit bilden, und auf einem Weg zum Spenden / Ansaugen der Flüssigkeit in einer Vorwärtsbewegung dicht zueinander montiert sind;
    wobei die besagte Pumpe darüber hinaus eine Düsennadel (25) zum Verschließen der Ausgabeöffnung (9) umfasst, und die besagte Düsennadel anhand einer umkehrbaren Verschiebevorrichtung der besagten Düsennadel zwischen einer Verschluss- und Ausgabestellung auf der besagten Muffe montiert ist, und die besagte Vorrichtung durch die Interferenz zwischen der Muffe (11) und dem Kolben (16) beim Verschieben des Druckknopfes (8) auf dem Bund (2) betätigt wird, und die besagte Pumpe dadurch gekennzeichnet ist, dass die Düsennadel (25) zum Verschließen von der Dosiermuffe (11) getrennt ist.
  2. Pumpe nach Anspruch 1, dadurch gekennzeichnet, dass die Dosiermuffe (11) ein Rohr (31) umfasst, das über die Verschiebevorrichtung in einen Muffenkörper (32) integriert ist, und das besagte Rohr gleitend und mit einer ausreichenden Interferenz in den Dosierkolben (16) montiert ist, um die besagte Vorrichtung vor dem Vorschub oder zu Beginn desselben auf dem Weg zum Spenden / Ansaugen zu betätigen.
  3. Pumpe nach Anspruch 2, dadurch gekennzeichnet, dass die Verschiebevorrichtung zumindest ein Schaltgestänge (35) umfasst, das angeordnet ist, um eine umkehrbare Bewegung des Muffenkörpers (32) in Bezug zum Rohr (31) zu ermöglichen, wobei die besagte Vorrichtung darüber hinaus angeordnet ist, um die besagten Bewegungen in einen Vorschub der Düsennadel (25) in Bezug zum besagten Druckknopf in eine Ausgabe- und Verschlussstellung zu verwandeln, wobei das besagte Schaltgestänge (35) mit Vorrichtungen zum Montieren der Düsennadel (25) versehen ist.
  4. Pumpe nach Anspruch 3, dadurch gekennzeichnet, dass das Schaltgestänge (35) ein inneres Gelenk (35a) und ein äußeres Gelenk (35b) mit jeweils dem Rohr (31) und dem Muffenkörper (32) aufweist.
  5. Pumpe nach Anspruch 4, dadurch gekennzeichnet, dass das Rohr (31) über zwei Schaltgestänge (35) in den Muffenkörper (32), integriert ist, die beiderseits des besagten Rohres auf einer Ebene angeordnet sind, die die Bewegungsrichtung der Düsennadel (25) umfasst.
  6. Pumpe nach Anspruch 5, dadurch gekennzeichnet, dass die Düsennadel (25) einen Arm (25a) umfasst, dessen vorderes Ende mit einem Verschlusskopf (25b) versehen ist, und das hintere Ende des besagten Armes auf dem hinteren Schaltgestänge (35) montiert ist.
  7. Pumpe nach irgendeinem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Düsennadel (25) im Druckknopf (8) montiert ist, und der besagte Knopf Führungsflächen (29, 30) für den Vorschub der Düsennadel (25) umfasst, sowie einen Anschlag (28) für die besagte Düsennadel in der Ausgabestellung.
  8. Pumpe nach irgendeinem der Ansprüche 3 bis 7, dadurch gekennzeichnet, dass ein Anschlag (36) gebildet wird, um die Aufwärtsbewegung des Rohres (31) in Bezug zum Muffenkörper (32) einzugrenzen.
  9. Pumpe nach Anspruch 8, dadurch gekennzeichnet, dass ein Anschlag (36) im Druckknopf (8) gebildet wird, um am Ende der Abwärtsbewegung des Muffenkörpers (32) auf dem Rohr (31) liegen zu kommen.
  10. Pumpe nach irgendeinem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Vorrichtungen zur Montage der Düsennadel (25) eine Gabel (26) umfassen, in die eine auf der besagten Düsennadel gebildete Achse (27) eingebunden ist.
  11. Pumpe nach irgendeinem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Bund (2) eine mittlere Muffe (7) umfasst, in der der Dosierkolben (16) befestigt ist, wobei die untere Wand der besagten Muffe mit der Verbindungsöffnung (3) versehen ist.
  12. Pumpe nach Anspruch 11, dadurch gekennzeichnet, dass der Bund (2) eine innere Muffe (5) umfasst, die die mittlere Muffe (7) umgibt und einen Raum (18) bildet, in dem die Dosiermuffe (11) dicht gleitend montiert ist.
  13. Pumpe nach Anspruch 12, dadurch gekennzeichnet, dass die Dosiermuffe (11) in Reibkontakt auf den Dichtvorrichtungen (19, 20) steht, die auf dem Kolben (16) ausgeführt sind.
  14. Pumpe nach irgendeinem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Klappe eine Kugel (23) umfasst, die auf einem Sitz montiert ist, der auf der Verbindungsöffnung (3) ausgeführt ist.
  15. Flasche umfassend ein flüssiges Produkt, wobei die besagte Flasche einen Ring (1) umfasst, auf dem der Bund (2) einer Pumpe nach irgendeinem der Ansprüche 1 bis 14 mit der Öffnung (3) zur Verbindung mit der Flüssigkeit montiert ist.
  16. Flasche nach Anspruch 15, dadurch gekennzeichnet, dass sie darüber hinaus einen Folgekolben umfasst, der gleitend in der Flasche montiert ist, sodass die Flüssigkeit in die besagte Pumpe befördert wird, um diese zu spenden, ohne Luft anzusaugen.
EP08290937A 2007-10-23 2008-10-06 Sprühpumpe für eine Flüssigkeit in einem Flakon Active EP2052786B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0707430A FR2922528B1 (fr) 2007-10-23 2007-10-23 Pompe de distribution d'un liquide contenu dans un flacon

Publications (2)

Publication Number Publication Date
EP2052786A1 EP2052786A1 (de) 2009-04-29
EP2052786B1 true EP2052786B1 (de) 2012-06-06

Family

ID=39521899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290937A Active EP2052786B1 (de) 2007-10-23 2008-10-06 Sprühpumpe für eine Flüssigkeit in einem Flakon

Country Status (6)

Country Link
US (1) US8028862B2 (de)
EP (1) EP2052786B1 (de)
CN (1) CN101417270B (de)
BR (1) BRPI0804528A2 (de)
ES (1) ES2388947T3 (de)
FR (1) FR2922528B1 (de)

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KR101219011B1 (ko) * 2011-07-08 2013-01-21 (주)연우 디스펜서 펌프버튼
CN102941967B (zh) * 2012-11-22 2016-04-13 中山环亚塑料包装有限公司 一种防盗式结构泵头
US10113541B2 (en) 2012-11-29 2018-10-30 Silgan Dispensing Systems Netherlands B.V. Valves and pumps using said valves
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US20140145102A1 (en) * 2012-11-29 2014-05-29 Meadwestvaco Calmar Netherlands Bv Valves and pumps using said valves
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US10583450B2 (en) * 2018-04-24 2020-03-10 Gerhard Brugger Dosing dispenser
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Also Published As

Publication number Publication date
US8028862B2 (en) 2011-10-04
CN101417270A (zh) 2009-04-29
CN101417270B (zh) 2013-06-05
US20090101677A1 (en) 2009-04-23
FR2922528B1 (fr) 2010-03-26
EP2052786A1 (de) 2009-04-29
ES2388947T3 (es) 2012-10-22
FR2922528A1 (fr) 2009-04-24
BRPI0804528A2 (pt) 2009-06-30

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