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EP1687096B1 - Pumpe zur abgabe von fluidprodukten - Google Patents

Pumpe zur abgabe von fluidprodukten Download PDF

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Publication number
EP1687096B1
EP1687096B1 EP04805804A EP04805804A EP1687096B1 EP 1687096 B1 EP1687096 B1 EP 1687096B1 EP 04805804 A EP04805804 A EP 04805804A EP 04805804 A EP04805804 A EP 04805804A EP 1687096 B1 EP1687096 B1 EP 1687096B1
Authority
EP
European Patent Office
Prior art keywords
pump
shutter
dispensing
pump according
piston
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
EP04805804A
Other languages
English (en)
French (fr)
Other versions
EP1687096A2 (de
Inventor
Jean-Marc Pardonge
Christophe Fagot
Samuel Pruvot
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 EP1687096A2 publication Critical patent/EP1687096A2/de
Application granted granted Critical
Publication of EP1687096B1 publication Critical patent/EP1687096B1/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
    • B05B11/01—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
    • B05B11/1018—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element and the controlling element cooperating with means for opening or closing the inlet 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
    • B05B11/10—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.
  • a pump having the features of the preamble of claim 1 is known from US 5,377,881.
  • Fluid dispensing pumps are well known in the state of the art, and are used to dispense fluid, especially in the fields of perfumery, cosmetics or pharmacy. These pumps generally comprise a pump body and a pump chamber in which at least one piston slides to dispense a dose of product at each actuation.
  • the pump chamber generally comprises an inlet valve and an outlet valve.
  • a dispensing head incorporating the dispensing orifice is generally assembled on the pump, said head comprising an expulsion channel connecting said pump to said dispensing orifice.
  • a shutter may be provided at the dispensing orifice.
  • This shutter is generally biased towards its closed position by an elastic element, and is open at the time of expulsion to allow the exit of the product.
  • the device When the device is a spraying device, it can further provide an insert disposed in the expulsion channel to limit the dead volume thereof and promote the spraying of the product.
  • a fixing ring is generally provided for fixing this pump on a reservoir containing the fluid product.
  • a dip tube may also be associated with the pump to extend to the bottom of the tank and allow the distribution of all the product contained therein.
  • This type of pump well known, has a relatively large number of component parts, which makes its manufacture and assembly relatively complicated and expensive.
  • the present invention aims to provide a fluid dispensing pump that does not reproduce the aforementioned drawbacks.
  • the present invention aims to provide a fluid dispenser pump that is simple and inexpensive to manufacture and assemble.
  • the present invention is intended in particular to provide a fluid dispensing pump which consists of a number of minimum constituent parts.
  • the present invention also aims to provide a fluid dispenser pump, which eliminates any risk of alteration of the fluid dispensed by said pump including eliminating contact with metal parts.
  • the subject of the present invention is therefore a fluid product dispensing pump comprising a pump body, a pump chamber, at least one piston sliding in said pump chamber for dispensing the fluid, a dispensing orifice, and a shutter. cooperating with said dispensing orifice, said shutter being movable and / or deformable between a closed position of the dispensing orifice and an open position of the dispensing orifice, said shutter being elastically biased towards its position of shutter, the pump comprising a single elastic element, such as a spring, adapted to return said at least one piston to its rest position after actuation and to bias said shutter towards its closed position, and said at least one piston being made of a one-piece piece with said shutter.
  • a single elastic element such as a spring
  • said spring is out of contact with the fluid product.
  • the pump comprises a fixing ring adapted to fix said pump on a reservoir.
  • said pump body is made in one piece with said fixing ring.
  • said fixing ring is made of a one-piece piece with a dip tube for extending into a tank.
  • said fixing ring is made of a one-piece piece with an inlet valve seat of the pump chamber.
  • the pump comprises a dispensing head comprising the dispensing orifice.
  • said pump body is disposed inside said dispensing head.
  • said dispensing head is connected, in particular snapped, irremovably on said fixing ring, said dispensing head and said fixing ring forming a stop to define the rest position of the pump.
  • an insert is disposed in the pump chamber upstream of the dispensing orifice.
  • said insert is made of a one-piece piece with said shutter.
  • said pump consists of only four parts comprising the dispensing head part, the piston and shutter piece, the spring piece, and the pump body part, fixing ring and dip tube.
  • the pump body part, fixing ring and dip tube also forms the seat of an inlet valve of the pump chamber, cooperating with a valve element.
  • valve element is integral with the piston and shutter piece.
  • said pump chamber is disposed immediately upstream of said dispensing orifice, said shutter forming an outlet valve of said pump chamber.
  • the present invention also relates to a fluid dispenser device comprising a reservoir and a pump as described above.
  • the pump is fixed, in particular latched, on the tank with the interposition of a seal.
  • the dispensing pump comprises a pump body 10 in which at least a first piston 30, 72 slides. Said at least one piston 30, 72 slides in a pump chamber 20 to dispense a dose of fluid through a dispensing orifice 45, each actuation of the pump. Said pump chamber 20 preferably comprises an inlet valve 70. To avoid product contamination between two actuations, the dispensing orifice 45 is provided with a shutter 38 which is displaceable and / or deformable between a position of closing of this dispensing orifice 45 and an open position thereof, said shutter 38 being resiliently biased towards its closed position.
  • the pump comprises a single elastic element 50, such as a spring, which is adapted both to return the piston 30, 72 to its rest position after actuation and bias the shutter 38 to its closed position.
  • this spring is disposed out of contact with the fluid, which avoids any risk of contamination, especially when the spring is metallic.
  • the pump comprises a dispensing head 40 which incorporates the dispensing orifice 45.
  • the pump chamber 20 is disposed at least partially in said dispensing head 40, directly upstream of said dispensing orifice 45. shutter 38 then forms the outlet valve of this pump chamber.
  • the pump may be attached to a reservoir 60 containing the fluid product by means of a fixing ring 15, which may be of any desired type, for example screwable, snap-on or crimpable.
  • a fixing ring 15 which may be of any desired type, for example screwable, snap-on or crimpable.
  • the pump is assembled on the reservoir 60 by means of said fixing ring 15 with the interposition of a seal 65 between these two elements.
  • the fixing ring 15 is advantageously made of a one-piece piece with the pump body 10.
  • this fixing ring 15 is also made in one piece with a plunger tube 18 which is extends towards the bottom of the tank 60.
  • this dip tube 18 can also be extended inside the pump body by an axial tubing extension forming a valve seat 71 of the inlet valve 70 of the chamber 20.
  • the piston 30 is made integrally with the shutter 38.
  • an insert 39 may be provided upstream of the dispensing orifice 45 in the pump chamber 20, this insert being preferably made in one piece with said shutter 38.
  • the pump comprises only one spring 50, which in this embodiment is disposed outside the pump body 10, outside said fixing ring 15, so that it is out any contact with the fluid product.
  • the pump comprises a second piston 34, preferably integral with the first piston 30, and which slides sealingly in the dispensing head 40 to partially limit said pump chamber 20.
  • the operation of the pump shown in the figures is as follows.
  • the dispensing head 40 descends axially with respect to the reservoir by compressing the spring 50.
  • the valve element 75 formed on the the lower end of the insert 39 cooperates with the valve seat 71 of the inlet valve 70 to close the inlet valve.
  • the volume of the pump chamber 20 is then defined and extends between the pump body 10, the first piston 30, and the second piston 34 and the shutter 38 which closes the dispensing orifice 45.
  • a continuation of the axial actuating force on the dispensing head 40 causes a rise in pressure of the pump chamber 20, which causes an axial displacement of the piston 30, and therefore of the shutter 38 away from the dispensing orifice 45, allowing a distribution of the product through it.
  • the dispensing head 40 is connected, in particular snapped, irremovably on the fixing ring 15, forming therewith an abutment position which defines the rest position of the pump.
  • the pump chamber 20 preferably extends directly upstream of the dispensing orifice 45, at least partially in the dispensing head 40.
  • the inlet valve seat 71 of the inlet valve 70 comprises air passage means 78 axially offset with respect to said inlet valve seat 71, and able to cooperate with the valve element 75 during boot.
  • This position is shown in FIG. 4, in which it can be seen that these passage means 78 are formed by one or more lateral grooves (s) formed in the wall of the tubular element forming the valve seat 71, and adapted (s) to cooperate with the end 75 of the insert 39 provided with corresponding grooves or passing ribs.
  • This priming position can be reached when the pump chamber is filled with air.
  • the pump chamber After evacuation of the air, the pump chamber then fills with the product, and during the next actuations of the pump, this valve member 75 can not move to these passage means 78 during the dispensing of the product. , but only at the end of actuation.
  • the priming means therefore do not generate any risk of loss of dose during the normal actuation of the pump.
  • a particular advantage of the present invention is that it allows for a pump with a minimum of component parts.
  • the pump shown in the figures can thus be made with only four components, namely the dispenser head piece 40, the pump body part 10, the fixing ring 15 and the dip tube 18, the spring piece 50, and the piston piece 30 and shutter 38.
  • the pump is then assembled on the reservoir 60 with the interposition of a seal 65, and it thus clearly appears that the number of parts of the pump according to the invention is lower compared to pumps of the state of the art, which simplifies the manufacture and assembly of this pump, and therefore makes it less expensive.
  • the operation of this pump is reliable by ensuring a spray of good quality, and facilitating priming.
  • the fact that the return spring is never in contact with the fluid product avoids any risk of damage to the product by contact with a metal part (when the spring is made of metal).

Landscapes

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

Claims (17)

  1. Pumpe zur Abgabe von Fluidprodukt, aufweisend einen Pumpenkörper (10), eine Pumpenkammer (20), zumindest einen Kolben (30;72), welcher in der Pumpenkammer (20) gleitet, um das Fluidprodukt abzugeben, eine Abgabeöffnung (45), und eine Verschlusseinrichtung (38), welche mit der Abgabeöffnung (45) zusammenwirkt, wobei die Abgabeeinrichtung (38) zwischen einer Verschlussstellung für die Abgabeöffnung (45) und einer Öffnungsstellung für die Abgabeöffnung (45) verschiebbar und/oder verformbar ist, wobei die Verschlusseinrichtung (38) in Richtung auf ihre Verschlussstellung elastisch vorgespannt ist, wobei die Pumpe ein einziges elastisches Element (50) aufweist, wie etwa eine Feder, das dazu ausgelegt ist, zumindest einen Kolben (30,72) in Richtung auf seine Ruhestellung nach einer Betätigung rückzustellen und die Verschlusseinrichtung (38) in Richtung auf ihre Verschlusseinrichtung vorzuspannen, dadurch gekennzeichnet, dass der zumindest eine Kolben (30) mit der Verschlusseinrichtung (38) einstückig verwirklicht ist.
  2. Pumpe nach Anspruch 1, wobei die Feder (50) keinerlei Kontakt mit dem Fluidprodukt hat.
  3. Pumpe nach Anspruch 1 oder 2, wobei die Pumpe einen Montageflansch (15) aufweist, der dazu ausgelegt ist, die Pumpe auf einem Vorratsbehälter (60) zu fixieren.
  4. Pumpe nach Anspruch 3, wobei der Pumpenkörper (10) mit dem Montageflansch (15) verwirklicht ist.
  5. Pumpe nach Anspruch 3 oder 4, wobei der Montageflansch (15) einstückig mit einem Tauchkolben (18) verwirklicht ist, der dazu bestimmt ist, sich in den Vorratsbehälter zu erstrecken.
  6. Pumpe nach einem der Ansprüche 3 bis 5, wobei der Montageflansch (15) mit einem Sitz des Einlassventils (71) der Pumpenkammer (20) einstückig verwirklicht ist.
  7. Pumpe nach einem der vorangehenden Ansprüche, wobei die Pumpe einen Abgabekopf (40) aufweist, der die Abgabeöffnung (45) umfasst.
  8. Pumpe nach Anspruch 7, wobei der Pumpenkörper (10) im Inneren des Abgabekopfs (40) angeordnet ist.
  9. Pumpe nach Anspruch 7 oder 8 und einem der Ansprüche 3 bis 6, wobei der Abgabekopf (40) abnehmbar mit dem Montageflansch (15) verbunden, insbesondere verrastet ist, wobei der Abgabekopf (40) und der Montageflansch (15) einen Anschlag zur Festlegung der Ruhestellung der Pumpe bilden.
  10. Pumpe nach einem der vorhergehenden Ansprüche, wobei in der Pumpenkammer (20) stromaufwärts von der Abgabeöffnung (45) ein Einsatz (39) abgeordnet ist.
  11. Pumpe nach Anspruch 10, wobei der Einsatz (39) einstückig mit der Verschlusseinrichtung (38) verwirklicht ist.
  12. Pumpe nach einem der vorangehenden Ansprüche, wobei die Pumpe ausschließlich vierteilig gebildet ist, aufweisend das den Abgabekopf (40) bildende Teil, das den Kolben (30) und die Verschlusseinrichtung (38) bildende Teil, das die Feder (50) bildende Teil und das den Pumpenkörper (30) den Montageflansch (15) und das Tauchkolbenrohr (18) bildende Teil.
  13. Pumpe nach Anspruch 12, wobei das den Pumpenkörper (10), den Montageflansch (15) und das Tauchkolbenrohr (18) bildende Teil außerdem den Sitz (71) eines Einlassventils (70) der Pumpenkammer (20) in Zusammenwirkung mit einem Ventilelement (75) bildet.
  14. Pumpe nach Anspruch 13, wobei das Ventilelement (75) mit dem Teil fest verbunden ist, welches den Kolben (30) und die Verschlusseinrichtung (38) bildet.
  15. Pumpe nach einem der vorangehenden Ansprüche, wobei die Pumpenkammer (20) unmittelbar stromaufwärts von der Abgabeöffnung (45) angeordnet ist, wobei das die Verschlusseinrichtung (38) ein Auslassventil der Pumpenkammer (20) bildet.
  16. Abgabevorrichtung für Fluidprodukt, aufweisend einen Vorratsbehälter (60), dadurch gekennzeichnet, dass die Vorrichtung eine Pumpe nach einem der vorangehenden Ansprüche aufweist.
  17. Vorrichtung nach Anspruch 16, wobei die Pumpe unter Zwischenanordnung einer Dichtung (65) auf dem Vorratsbehälter (60) fest angebracht, insbesondere verrastet ist.
EP04805804A 2003-11-07 2004-11-03 Pumpe zur abgabe von fluidprodukten Expired - Lifetime EP1687096B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0313093A FR2862106B1 (fr) 2003-11-07 2003-11-07 Pompe de distribution de produit fluide.
PCT/FR2004/050561 WO2005044464A2 (fr) 2003-11-07 2004-11-03 Pompe de distribution de produit fluide.

Publications (2)

Publication Number Publication Date
EP1687096A2 EP1687096A2 (de) 2006-08-09
EP1687096B1 true EP1687096B1 (de) 2007-04-18

Family

ID=34508326

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04805802A Expired - Lifetime EP1687095B1 (de) 2003-11-07 2004-11-03 Pumpe zur abgabe von fluidprodukten
EP04805804A Expired - Lifetime EP1687096B1 (de) 2003-11-07 2004-11-03 Pumpe zur abgabe von fluidprodukten

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04805802A Expired - Lifetime EP1687095B1 (de) 2003-11-07 2004-11-03 Pumpe zur abgabe von fluidprodukten

Country Status (7)

Country Link
US (2) US7775404B2 (de)
EP (2) EP1687095B1 (de)
JP (2) JP4825678B2 (de)
CN (2) CN100460085C (de)
DE (2) DE602004006017T2 (de)
FR (1) FR2862106B1 (de)
WO (2) WO2005044463A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825678B2 (ja) * 2003-11-07 2011-11-30 バルワー エス．アー．エス． 流体製品投与ポンプ

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2862107B1 (fr) * 2003-11-07 2006-02-10 Valois Sas Pompe de distribution de produit fluide.
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
FR2905941B1 (fr) 2006-09-20 2011-02-11 Valois Sas Ensemble de distribution et distributeur de produit fluide comportant un tel ensemble de distribution
FR2933680B1 (fr) * 2008-07-11 2013-01-18 Valois Sa Pompe de distribution de produit fluide
FR2973015B1 (fr) * 2011-03-25 2013-04-26 Valois Sas Pompe de distribution de produit fluide.
DE102011082420B4 (de) * 2011-09-09 2021-02-04 Aptar Radolfzell Gmbh Flüssigkeitsspender und Austragskopf für einen Flüssigkeitsspender
US10376917B2 (en) * 2016-08-12 2019-08-13 Ecolab Usa Inc. Retractable nozzle for dosing or dispensing high viscosity materials
FR3063344B1 (fr) * 2017-02-28 2021-06-18 Etat Francais Represente Par Le Delegue General Pour Larmement Dispositif de mesure du debit de fuite d'au moins un element de masque de protection respiratoire
CN113490629B (zh) * 2019-03-05 2024-05-10 Rpc布兰姆拉格股份有限公司 用于输出可流动物料的分配器
JP7494061B2 (ja) 2020-09-03 2024-06-03 大和製罐株式会社 吐出装置
TW202216229A (zh) * 2020-09-16 2022-05-01 加拿大商薩諾泰茲研究與開發公司 雙腔室噴灑裝置

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FR2862106B1 (fr) * 2003-11-07 2007-08-24 Valois Sas Pompe de distribution de produit fluide.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825678B2 (ja) * 2003-11-07 2011-11-30 バルワー エス．アー．エス． 流体製品投与ポンプ

Also Published As

Publication number Publication date
WO2005044464A2 (fr) 2005-05-19
CN100460086C (zh) 2009-02-11
JP4825677B2 (ja) 2011-11-30
FR2862106B1 (fr) 2007-08-24
JP2007511339A (ja) 2007-05-10
US20070272712A1 (en) 2007-11-29
DE602004005611D1 (de) 2007-05-10
EP1687095A2 (de) 2006-08-09
WO2005044463A2 (fr) 2005-05-19
DE602004005611T2 (de) 2007-12-13
US7775404B2 (en) 2010-08-17
DE602004006017T2 (de) 2007-12-27
CN1886202A (zh) 2006-12-27
CN1886203A (zh) 2006-12-27
JP2007510535A (ja) 2007-04-26
JP4825678B2 (ja) 2011-11-30
CN100460085C (zh) 2009-02-11
FR2862106A1 (fr) 2005-05-13
EP1687096A2 (de) 2006-08-09
US20070295756A1 (en) 2007-12-27
US7870978B2 (en) 2011-01-18
WO2005044463A3 (fr) 2005-06-30
EP1687095B1 (de) 2007-03-28
WO2005044464A3 (fr) 2005-07-07
DE602004006017D1 (de) 2007-05-31

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