EP1687097B1 - Pumpe zur abgabe eines fluidprodukts - Google Patents

Pumpe zur abgabe eines fluidprodukts Download PDF

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Publication number
EP1687097B1
EP1687097B1 EP04805805A EP04805805A EP1687097B1 EP 1687097 B1 EP1687097 B1 EP 1687097B1 EP 04805805 A EP04805805 A EP 04805805A EP 04805805 A EP04805805 A EP 04805805A EP 1687097 B1 EP1687097 B1 EP 1687097B1
Authority
EP
European Patent Office
Prior art keywords
pump
piston
chamber
pump chamber
pump according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP04805805A
Other languages
English (en)
French (fr)
Other versions
EP1687097A2 (de
Inventor
François LE MANER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar France SAS
Original Assignee
Valois SAS
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 Valois SAS filed Critical Valois SAS
Publication of EP1687097A2 publication Critical patent/EP1687097A2/de
Application granted granted Critical
Publication of EP1687097B1 publication Critical patent/EP1687097B1/de
Expired - Fee Related 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
    • 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
    • B05B11/1061—Pump priming means
    • B05B11/1063—Air exhausted from the pump chamber being discharged into the container during priming
    • 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

Definitions

  • the present invention relates to a fluid dispenser pump and a fluid dispenser device comprising such a pump.
  • Fluid dispensing pumps are well known in the state of the art, in particular for dispensing products in the fields of cosmetics, perfumery or pharmacy. They generally comprise a piston sliding in a pump body, more particularly in a pump chamber provided in this pump body, and adapted to dispense a dose of fluid product with each actuation of the pump.
  • the pump chamber generally comprises an inlet valve to enable the dose of product expelled to be defined at each actuation.
  • some pumps sometimes incorporate shutters at the dispensing orifice, to prevent contamination of the product between two actuations.
  • a problem with this type of pump is priming. Indeed, before the first actuation of the pump, the pump chamber is filled with air, and it is therefore necessary to expel this air completely to allow filling of said pump chamber with fluid and allow dosing accurate and reproducible with each actuation of the pump. Priming is made all the more complicated as the pump has a shutter. It is difficult to expel the air contained in the pump chamber out of it, in particular because of the presence of said shutter.
  • the present invention aims to provide a fluid dispensing pump that does not reproduce the aforementioned drawbacks.
  • Another object of the present invention is to provide a fluid dispenser pump which guarantees a spray spray each time the pump is actuated, regardless of the force that the user exerts on it when it is actuated.
  • the present invention also aims to provide a fluid dispenser pump that is simple and inexpensive to manufacture and assemble.
  • the present invention therefore relates to a fluid dispenser pump comprising a pump body, a pump chamber, at least a first piston sliding in said pump chamber for dispensing the fluid, a dispensing orifice and a displaceable shutter. and / or deformable between a closed position of the dispensing orifice and an opening position of the dispensing orifice, said pump chamber comprising an inlet valve separating the pump chamber from a plunger tube. extending to a fluid reservoir, a bypass passage being provided between said dip tube and said pump chamber, said bypass passage being disposed upstream of said inlet valve, said bypass passage connecting the pump chamber to the tube diver when priming the pump.
  • the pump body is made of a one-piece piece with said shutter.
  • the inlet valve comprises a valve seat integral with the first piston and a valve element, said first piston sliding in a sealed manner in said pump body, said pump body having an opening cooperating with the first piston during the first piston. priming to open said bypass passage and allow the discharge of the air contained in the pump chamber before the first actuation through the dip tube in the tank.
  • said pump comprises a dispensing head incorporating said dispensing orifice.
  • said shutter comprises a second piston cooperating sealingly with the head in any position, and a third piston movable relative to said head between a sealed position and an open position, said third piston separating the metering chamber in two parts, a first metering chamber portion disposed between the obturator and said third piston and a second metering chamber portion disposed between said third piston and said second piston.
  • said second portion of the pump chamber is connected to said bypass passage.
  • part of the product contained in said pump chamber can be forced back to through said bypass passage in the dip tube and in the reservoir.
  • said second portion of the pump chamber is connected to said bypass passage by a passage provided between said second and third pistons.
  • said second and third pistons are made integrally.
  • said second piston is made integrally with said shutter.
  • said shutter is biased elastically, in particular by a spring, towards its closed position and is moved and / or deformed towards its open position by the pressure of the product contained in the pump chamber.
  • the shutter moves and / or is deformed axially with respect to said pump body, said third piston being brought into the open position from a displacement and / or a predetermined axial deformation of said shutter.
  • valve element is a ball.
  • a single spring urges said first piston towards its rest position and said shutter towards its closed position.
  • said spring is out of contact with the fluid product.
  • said first piston and said valve seat are made integrally with a fastening element such as a snap ring, crimpable or screwable, adapted to fix said pump on a fluid reservoir.
  • a fastening element such as a snap ring, crimpable or screwable
  • the present invention also relates to a fluid dispenser device comprising a fluid reservoir and a pump as described above.
  • the dispensing pump comprises a pump body 10 in which at least a first piston 72 slides.
  • This first piston 30 partially defines a pump chamber 20 and the actuation of the pump causes the dispensing a dose of product contained in the pump chamber 20 through a dispensing orifice 45, preferably formed in a dispensing head 40.
  • the pump comprises a shutter 38, arranged directly upstream of the dispensing orifice 45 and cooperating with it by being displaceable and / or deformable between a closed position of the dispensing orifice 45 and an open position thereof.
  • the pump chamber comprises an inlet valve 70, which may be in the form of a ball 75 forming a valve element and cooperating with a valve seat 71.
  • the pump body 10 is preferably formed of a one-piece piece with the shutter 38, inside thereof.
  • the piston 72 and the valve seat 71 are integral with a part which incorporates a fixing ring 15 adapted to fix the pump on a reservoir 60 containing the fluid, advantageously with the interposition of a seal 65.
  • a dip tube 18, intended to extend to the bottom of the tank 60 to distribute all of the product that it contains, can also be made in one piece with said fixing ring member 15, piston 72 and valve seat. 71.
  • Valve member 75 is shown as a ball, but could be made differently.
  • a bypass passage 74 is provided between the plunger tube 18 and the pump chamber 20, upstream of the inlet valve 70.
  • This bypass passage 74 connects the pump chamber 20 to the plunger tube 18 when priming the pump. pump.
  • this bypass passage 74 can be realized in the form a lateral bore made in the valve seat 71 upstream of the valve member 75.
  • the valve seat 71 is then advantageously arranged upstream of the first piston 72, which slides in a sealed manner in said pump body, that it has an opening 32 adapted to cooperate with said first piston 72 during priming.
  • This priming position is shown in particular in FIG. 2. It can be seen that when the user actuates the pump for the first time and that the latter contains air in the pump chamber 20, the air is compressed.
  • a passage is created between the pump chamber 20 and the bypass passage 74, which allows the expulsion the air contained in the pump chamber 20 to the plunger tube 18 and thus in the reservoir 60 as represented by arrows A and B in FIG. 2.
  • the product fluid is sucked into the pump chamber 20 and thereafter the first piston 72 will not be able to reach said pump body opening 30 during normal operation of the pump, i.e. during dispensing of the product, but only at the end of the actuation.
  • Said inlet valve 70 then operates in a conventional manner to close during actuation and open when the pump is returned to its rest position.
  • the pump has only one spring 50 adapted to return the first piston 72 to its rest position and the shutter 38 to its closed position after each actuation.
  • This spring 50 is advantageously out of contact with the fluid, which eliminates any risk of alteration of the fluid in question.
  • the shutter 38 slides axially between its open and closed positions in a sleeve 150 provided in the bottom of the actuating head 40.
  • a spraying profile (not shown) is preferably produced in said sleeve for allow a swirling of the product at the time of its expulsion, to form a spray.
  • the pump provides means for decreasing this pressure in the pump chamber 20 during actuation to allow the shutter 38 to remain at a distance sufficiently close to the dispensing orifice 45 to achieve a good quality spray.
  • These means comprise second and third pistons 34, 35, preferably made integrally with said shutter 40. Said second piston 34 slides in a sealed manner in the head 40, between a sealed position and an open position.
  • This third piston 35 separates the pump chamber 20 into a first pump chamber portion 21, disposed upstream of the dispensing orifice 45 and a second pump chamber portion 23, located between said second piston 34 and said third piston 35.
  • Said third piston 35 slides in parts 11, 13 of the head 40 which may have different diameters.
  • the third piston 35 can cooperate with a reduced diameter head portion 11 which is extended by a head portion 13 of larger diameter.
  • the head portion 11 may comprise one or more vent grooves for opening the passage between the two pump chamber portions 21, 23 from a predetermined position of said third piston 31.
  • a passage 33 is provided between said second and third pistons 34, 35 at said second pump chamber portion 23, said passage 33 being connected to the bypass passage 74, and therefore to the dip tube 18 and the reservoir 60
  • the pressure in the pump chamber 20 rises very rapidly, and this pressure rapidly displaces the shutter 38
  • the third piston 35 being integral with the shutter 38, it moves at the same time as the latter. After a predetermined axial displacement of said shutter 38, said third piston 35 reaches its open position, so that the overpressure created in the first pump chamber portion 21 is transmitted to said second pump chamber portion 23.
  • the bypass passage 74 provided upstream of the inlet valve 70 of the pump chamber 20 thus provides a dual function, namely on the one hand an air discharge passage during priming, and secondly a product discharge passage during certain actuations, to ensure a good spraying of the product.
  • the plunger tube 18 is not necessarily integral or made in one piece with the fixing element 15 which fixes the pump on the reservoir 60.
  • the shapes of the shutter 38, the pump body 10 , the piston 72, the inlet valve 70 of the pump chamber 20 or the other elements could be made differently if necessary.
  • Other modifications are also conceivable for those skilled in the art without departing from the scope of the present invention as defined by the appended claims.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)

Claims (17)

  1. Abgabepumpe für ein fluidförmiges Produkt, die folgendes umfasst: einen Pumpenkörper (10), eine Pumpenkammer (20), wenigstens einen ersten Kolben (72), der in der Pumpenkammer (20) gleitet, um das fluidförmige Produkt abzugeben, eine Abgabeöffnung (45) und einen Verschluss (38), der zwischen einer Verschlussstellung der Abgabeöffnung (45) und einer Öffnungsstellung der Abgabeöffnung (45) verschiebbar und/oder verformbar ist, dadurch gekennzeichnet, dass die Pumpenkammer ein Eintrittsventil (70) umfasst, das die Pumpenkammer (20) von einem Verlängerungsrohr (18) trennt, das sich zu einem Behälter (60) für das fluidförmige Produkt erstreckt, wobei ein Umleitungsdurchgang (74) zwischen dem Verlängerungsrohr (18) und der Pumpenkammer (20) vorgesehen ist, wobei der Umleitungsdurchgang (74) stromaufwärts von dem Eintrittsventil (70) angeordnet ist und wobei dieser Umleitungsdurchgang die Pumpenkammer (20) mit dem Verlängerungsrohr (18) bei der Initialisierung der Pumpe verbindet.
  2. Pumpe nach Anspruch 1, bei welcher der Pumpenkörper (10) mit dem Verschluss (38) einstückig ausgebildet ist.
  3. Pumpe nach Anspruch 1 oder 2, bei der das Eintrittsventil (70) einen mit dem ersten Kolben (72) fest verbundenen Ventilsitz (71) und ein Ventilelement (75) umfasst, wobei der erste Kolben (72) in dichter Weise in dem Pumpenkörper (10) gleitet, wobei der Pumpenkörper (10) eine Öffnung (32) aufweist, die bei der Initialisierung mit dem ersten Kolben (72) zusammenwirkt, um den Umleitungsdurchgang (74) zu öffnen und vor der ersten Betätigung das Verdrängen von in der Pumpenkammer (20) enthaltener Luft durch das Verlängerungsrohr (18) in den Behälter (60) zu ermöglichen.
  4. Pumpe nach einem der vorhergehenden Ansprüche, bei der diese Pumpe einen Abgabekopf (40) umfasst, der die Abgabeöffnung (45) aufweist.
  5. Pumpe nach Anspruch 4, bei der der Verschluss (38) einen zweiten Kolben (34) umfasst, der in jeder Stellung in dichter Weise mit dem Kopf (40) zusammenwirkt, und einen dritten Kolben (35), der bezüglich des Kopfes (40) zwischen einer dichten Verschlussstellung und einer Öffnungsstellung verschiebbar ist, wobei der dritte Kolben (35) die Dosierkammer (20) in zwei Teile unterteilt, nämlich einem ersten Teil (21) der Dosierkammer, der zwischen dem Verschluss (38) und dem dritten Kolben (35) angeordnet ist, und einen zweiten Teil (23) der Dosierkammer, der zwischen dem dritten Kolben (35) und dem zweiten Kolben (34) angeordnet ist.
  6. Pumpe nach Anspruch 5, bei der der zweite Teil (23) der Pumpenkammer (20) mit dem Umleitungsdurchgang (74) verbunden ist.
  7. Pumpe nach Anspruch 6, bei welcher bei der Betätigung dann, wenn sich der dritte Kolben (35) zu der Stellung hin verschiebt, in welcher er den ersten und den zweiten Teil (21, 23) der Pumpenkammer (20) miteinander verbindet, ein Teil des in der Pumpenkammer (20) enthaltenen Produktes durch den Umleitungsdurchgang (74) in das Verlängerungsrohr (18) und den Behälter (60) verdrängt werden kann.
  8. Pumpe nach Anspruch 6 oder 7, bei der der zweite Teil (23) der Pumpenkammer (20) mit dem Umleitungsdurchgang (74) durch einen Durchgang (33) verbunden ist, der in dem zweiten und dritten Kolben (34, 35) vorgesehen ist.
  9. Pumpe nach einem der Ansprüche 5 bis 8, bei der der zweite und der dritte Kolben (34, 35) einstückig ausgebildet sind.
  10. Pumpe nach einem der Ansprüche 5 bis 9, bei der der zweite Kolben (34) mit dem Verschluss (38) einstückig ausgebildet ist.
  11. Pumpe nach einem der Ansprüche 5 bis 10, bei welcher der Verschluss (38) in elastischer Weise, insbesondere durch eine Feder (50) zu seiner Verschlussstellung hin vorgespannt ist und zu seiner Öffnungsstellung hin durch den Druck des in der Pumpenkammer (20) enthaltenen Produktes verschoben und/oder verformt wird.
  12. Pumpe nach Anspruch 11, bei welcher der Verschluss (38) sich bezüglich des Pumpenkörpers (10) in axialer Richtung verschiebt und/oder verformt, wobei der dritte Kolben (35) ausgehend von einer vorbestimmten, axialen Verschiebung und/oder Verformung des Verschlusses (38) in die Öffnungsstellung mitgenommen wird.
  13. Pumpe nach Anspruch 3, bei der das Ventilelement (75) eine Kugel ist.
  14. Pumpe nach einem der vorhergehenden Ansprüche, bei der eine einzige Feder (50) den ersten Kolben (72) in seine Ruhestellung und den Verschluss (38) in seine Verschlussstellung vorspannt.
  15. Pumpe nach Anspruch 14, bei der die Feder (50) keinerlei Kontakt mit dem fluidförmigen Produkt besitzt.
  16. Pumpe nach einem der vorhergehenden Ansprüche, bei der der erste Kolben (72) und der Ventilsitz (71) einstückig mit einem Befestigungselement (15), wie z.B. einem Ring ausgebildet sind, der eingerastet, eingedrückt oder eingeschraubt werden kann und der geeignet ist, die Pumpe auf einem Behälter (60) für das fluidförmige Produkt zu befestigen.
  17. Abgabevorrichtung für ein fluidförmiges Produkt, die einen Behälter (60) für ein fluidförmiges Produkt umfasst, dadurch gekennzeichnet, dass sie eine Pumpe nach einem der vorhergehenden Ansprüche umfasst.
EP04805805A 2003-11-07 2004-11-04 Pumpe zur abgabe eines fluidprodukts Expired - Fee Related EP1687097B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0313094A FR2862107B1 (fr) 2003-11-07 2003-11-07 Pompe de distribution de produit fluide.
PCT/FR2004/050562 WO2005044465A2 (fr) 2003-11-07 2004-11-04 Pompe de distribution de produit fluide

Publications (2)

Publication Number Publication Date
EP1687097A2 EP1687097A2 (de) 2006-08-09
EP1687097B1 true EP1687097B1 (de) 2007-03-28

Family

ID=34508327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04805805A Expired - Fee Related EP1687097B1 (de) 2003-11-07 2004-11-04 Pumpe zur abgabe eines fluidprodukts

Country Status (7)

Country Link
US (1) US7798375B2 (de)
EP (1) EP1687097B1 (de)
JP (1) JP4891776B2 (de)
CN (1) CN100471579C (de)
DE (1) DE602004005613T2 (de)
FR (1) FR2862107B1 (de)
WO (1) WO2005044465A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2892158B1 (fr) * 2005-10-17 2011-10-21 Valois Sas Pompe de distribution de produit fluide
FR2898818B1 (fr) * 2006-03-22 2008-08-22 Valois Sas Pompe de distribution de produit fluide
GB0610666D0 (en) * 2006-05-30 2006-07-05 Glaxo Group Ltd Fluid dispenser
FR2917651B1 (fr) * 2007-06-20 2010-09-17 Rexam Dispensing Sys Pompe pour la distribution d'un produit liquide a amorcage ameliore
DE102008027599A1 (de) 2008-06-10 2009-12-31 Meadwestvaco Calmar Gmbh Fluidaustragkopf
DE102008036976A1 (de) * 2008-08-08 2010-02-11 Behr Gmbh & Co. Kg Pumpeinrichtung sowie Verfahren zum Betreiben einer Pumpeinrichtung
DE102011082420B4 (de) * 2011-09-09 2021-02-04 Aptar Radolfzell Gmbh Flüssigkeitsspender und Austragskopf für einen Flüssigkeitsspender
CN103420022B (zh) * 2012-05-16 2015-09-09 丁要武 按压式液体泵
EP2977109B1 (de) 2014-07-23 2020-03-11 Noxell Corporation Verfahren, Vorrichtungen und Systeme zum Nachfüllen eines Flüssigkeitsspenders
FR3028571B1 (fr) * 2014-11-14 2019-09-13 Aptar France Sas Pompe manuelle
US20160296958A1 (en) * 2015-04-07 2016-10-13 Eos Products, Llc Liquid dispenser with pump
DE102016014898A1 (de) 2016-12-12 2018-06-14 Aptar Dortmund Gmbh Pumpe und Abgabevorrichtung
US10889480B2 (en) * 2018-10-24 2021-01-12 Haier Us Appliance Solutions, Inc. Precise fill dispensing system for an appliance
CN109592203B (zh) * 2018-11-19 2020-02-14 深圳博纳精密给药系统股份有限公司 一种无菌喷雾泵
FR3095968B1 (fr) * 2019-05-14 2021-10-01 Aptar France Sas Dispositif de distribution de produit fluide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640443A (en) * 1983-06-08 1987-02-03 Corsette Douglas Frank Manually operated dispensing pump
JP3697012B2 (ja) * 1996-03-22 2005-09-21 株式会社三谷バルブ 往復ポンプタイプの噴出器
BR0212901B1 (pt) * 2001-09-21 2011-12-13 dispositivo dosador com um reservatório de meio, bem como dispositivo de bomba para um dispositivo dosador.
FR2862106B1 (fr) * 2003-11-07 2007-08-24 Valois Sas Pompe de distribution de produit fluide.
FR2898818B1 (fr) * 2006-03-22 2008-08-22 Valois Sas Pompe de distribution de produit fluide

Also Published As

Publication number Publication date
DE602004005613T2 (de) 2007-12-06
FR2862107A1 (fr) 2005-05-13
WO2005044465A2 (fr) 2005-05-19
US7798375B2 (en) 2010-09-21
CN100471579C (zh) 2009-03-25
DE602004005613D1 (de) 2007-05-10
FR2862107B1 (fr) 2006-02-10
WO2005044465A3 (fr) 2005-06-30
EP1687097A2 (de) 2006-08-09
US20070272713A1 (en) 2007-11-29
JP4891776B2 (ja) 2012-03-07
CN1874850A (zh) 2006-12-06
JP2007510847A (ja) 2007-04-26

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