EP2178649B1 - Ausgabeelement für ein flüssigprodukt - Google Patents

Ausgabeelement für ein flüssigprodukt Download PDF

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Publication number
EP2178649B1
EP2178649B1 EP08826950.1A EP08826950A EP2178649B1 EP 2178649 B1 EP2178649 B1 EP 2178649B1 EP 08826950 A EP08826950 A EP 08826950A EP 2178649 B1 EP2178649 B1 EP 2178649B1
Authority
EP
European Patent Office
Prior art keywords
dispenser
piston
wall
member according
pusher
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.)
Not-in-force
Application number
EP08826950.1A
Other languages
English (en)
French (fr)
Other versions
EP2178649A2 (de
Inventor
Frédéric Duquet
Jean-Paul Lecoutre
Hervé Pennaneac'h
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
Aptar France 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 Aptar France SAS filed Critical Aptar France SAS
Publication of EP2178649A2 publication Critical patent/EP2178649A2/de
Application granted granted Critical
Publication of EP2178649B1 publication Critical patent/EP2178649B1/de
Not-in-force 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
    • B05B11/1016—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
    • B05B11/1001—Piston pumps
    • B05B11/1021—Piston pumps having an outlet valve which is a gate valve
    • B05B11/1022—Piston pumps having an outlet valve which is a gate valve actuated by pressure
    • 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
    • B05B11/107—Gate valves; Sliding 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

Definitions

  • the present invention relates to a fluid dispenser member generally intended to be associated with a fluid reservoir to form together a fluid dispenser. It is a dispensing member whose actuation is usually performed manually using a finger of the user.
  • the fluid product is distributed in the form of a jet of fine sprayed droplets, a continuous net or a dab of fluid, particularly in the case of viscous product, such as cosmetic creams.
  • Such a fluid dispenser member may in particular be used in the fields of perfumery, cosmetics or even pharmacy to dispense more or less viscous products.
  • the lip in sliding contact in the pusher may be referred to as a differential lip or outlet valve, while the lip slidably sealed in the main body barrel may be referred to as the main lip.
  • the pusher comprises a dispensing orifice upstream of which is formed a swirl system made in the form of tangential channels connecting to a central swirl chamber centered on the dispensing orifice.
  • the outlet valve is not formed directly by the valve lip, but by a small ring formed in the extension of the valve lip and which is intended to come into sealing contact against an outlet valve seat. frustoconical shape.
  • the external surface, at the level of the dispensing orifice is inclined with respect to the axis X. This makes it possible to slightly orient the dispensing orifice upwards by conferring a overall aesthetic appearance at the pusher.
  • this reduces the wall thickness of the distribution wall at the dispensing orifice.
  • this wall reduction can be achieved by other means. By thus reducing the wall thickness, it also reduces the depth of the dispensing orifice, and thus the amount of fluid stored at the orifice.
  • An interesting principle of the invention is to use the piston of a pusher pump as internal sealing member of the dispensing orifice to prevent any risk of deterioration of the fluid.
  • the piston thus fulfills several functions, namely the main piston, the valve piston, the movable valve member and the shutter member of the dispensing orifice.
  • FIG. 1 We will first refer to the figure 1 to explain in detail the general structure of a fluid dispenser member of the invention associated with a reservoir 6 so as to together form a fluid dispenser.
  • the dispensing member illustrated and described is more particularly suitable for dispensing pasty products such as cosmetic creams or gels. It can also be used for the distribution of less viscous products, such as perfumes, although it is not specially adapted.
  • the dispensing member in this non-limiting embodiment of the invention comprises four constituent elements, namely a base body 1, a pusher 2, a piston 3 and a return spring and precompression 4.
  • the dispenser member may be provided with a protective cover 5 which caps the pusher to protect it and prevent its inadvertent or inadvertent operation.
  • the dispenser shown in the figures is a pump and this term will be used to describe it in the following description.
  • the base body 1 is a part of revolution that can be made by injection of appropriate plastic material.
  • the body 1 has a substantially cylindrical and concentric overall structure. From the outside, the body 1 forms a fixing ring 11 which engages around the neck 61 of the reservoir 6. In the extension of this ring 11 extends upwardly a sleeve 12 which serves to guide the 2. Inside the ring 11 concentrically extends a self-sealing lip 13 which comes into sealing contact inside the neck 61 of the reservoir 6. Inside the lip 13 is formed a crown 15 comprising a plurality of radial ribs arranged in the form of a star.
  • the ring forms a frustoconical hollow interior which advantageously corresponds to the shape of the upper part of the follower piston (not shown).
  • the ring 15 forms an inlet which makes the interior of the tank 6 communicate with the interior of the pump.
  • the inlet is defined in particular by an inlet pipe 17 which extends upwards from the ring 15.
  • This inlet pipe 17 also serves as an inlet valve seat in cooperation with the piston 3.
  • a outside and concentrically to the tubing 17 extends a main shaft 16 which also cooperates with the piston 3, as will be seen below.
  • Around the barrel 16 also extends a sleeve 14.
  • a housing is thus defined between the barrel 16 and the sleeve 14 which will serve to receive the lower end of the return spring and precompression 4.
  • the dispensing orifice 24 is formed at a place where the distribution wall has a reduced thickness.
  • the depth of the dispensing orifice from the inner surface to the outer surface is very small, thereby defining a very small inscribed volume.
  • the seat 25 of the outlet valve is located in the direct proximity of the dispensing orifice 24: in fact, they are separated only by an annular space defined between the seat 25 and the inner surface 232.
  • the piston 3 is a differential type piston which moves along an axis X in response to a pressure variation within the pump chamber, which is hereby generally designated by the numeral 20.
  • the piston 3 comprises a central axial trunk 31 which is traversed by a connecting conduit 312. At its lower end, the trunk 31 comprises a main lip 36 engaged in leaktight sliding in the main shaft 16 of the body 1.
  • the trunk 31 defines a movable inlet valve member 37 for coming into selective sealing contact within the inlet manifold 17.
  • the movable member 37 is here in the form of a small tube axially movable out and in contact with the tubing 17.
  • the trunk 31 defines a stud 311 which is located just below the support plate 21.
  • the piston 2 comprises an annular radial flange 32 under which the return spring and precompression 4 is supported.
  • the spring concentrically surrounds the trunk 31 of the piston 3.
  • its lower end is housed between the barrel 16 and the sleeve 14 of the body 1.
  • the annular flange 32 is connected on its outer periphery to a ring which fulfills here a triple function.
  • the ring forms a valve lip or differential lip 33 in sliding contact in the barrel formed by the lower part 233 of the inner surface 232 of the distribution wall 23.
  • the piston 3 will then move independently of the pusher 2: this results in the opening of the outlet valve, thus defining an outlet passage for the fluid under pressure.
  • This distribution configuration is represented on the figure 2b . It is clearly seen that the differential lip 33 has moved downwards in the sliding shaft 233 and that the upper portion of the crown has disengaged from the space formed between the seat 25 and the inner surface 232.
  • the chamber 20 then communicates directly with the dispensing orifice 24.
  • the piston 3 will return to its rest position represented on the figure 2a .
  • the outlet valve is then closed.
  • the closure wall 34 closes again the dispensing orifice 24. There is virtually no fluid or no fluid between the outlet valve and the dispensing orifice 24.
  • the upper portion 234 of the inner surface 232 has an inclined or frustoconical configuration and the closure wall 34 has a similar inclined or frustoconical configuration so as to create an intimate sealing contact around the orifice. This feature avoids any jamming of the piston 3 inside the pusher 2 since the sealing contacts are cone on cone and not cylinder against cylinder.

Landscapes

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

Claims (10)

  1. Ausgabeeinrichtung für ein fluides Produkt, aufweisend eine Ausgabewand (23), die eine Außenfläche (231) und eine Innenfläche (232) definiert, wobei die Wand (23) von einer Ausgabeöffnung (24) durchdrungen ist, die die Innenfläche mit der Außenfläche verbindet, wobei die Innenfläche (232) einen dichten Gleitschaft (233) für einen Kolben (3) bildet, der in der Lage ist, sich aus einer Ruheposition entlang einer Achse X in dichtem Kontakt in dem Schaft zu verschieben, um eine Auslassklappe (25, 35) zu öffnen, wobei der Kolben (3) einen Teil einer Kammer für ein fluides Produkt (20) bildet, in der ein fluides Produkt wahlweise unter Druck gesetzt und durch diese geöffnete Auslassklappe zur Ausgabeöffnung zurückgedrängt wird, wobei der Kolben eine Verschlusswand (34) bildet, die in der Lage ist, die Ausgabeöffnung (24) in der Ruheposition zu verschließen, dadurch gekennzeichnet, dass die Innenfläche (232) an der Ausgabeöffnung (24) in Bezug auf die Verschiebeachse X des Kolbens (3) geneigt ist, und dadurch, dass die Verschlusswand des Kolbens (3) im Wesentlichen entsprechend der Innenfläche (232) derart geneigt ist, dass ein Kontakt Kegel auf Kegel geschaffen wird.
  2. Ausgabeeinrichtung nach Anspruch 1, wobei die Verschlusswand (34) in der Ruheposition vor der Ausgabeöffnung (24) auf der Seite der Innenfläche (232) positioniert ist.
  3. Ausgabeeinrichtung nach Anspruch 1 oder 2, wobei die Verschlusswand (24) in der Ruheposition in dichten Kontakt mit der Innenfläche (232) kommt.
  4. Ausgabeeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Außenfläche (231) an der Ausgabeöffnung (24) in Bezug auf die Achse X geneigt ist.
  5. Ausgabeeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Ausgabewand (23) an der Ausgabeöffnung (24) eine verringerte Wandstärke aufweist.
  6. Ausgabeeinrichtung nach einem der vorhergehenden Ansprüche, wobei der Kolben (3) ein mobiles Element (35) der Auslassklappe bildet, das dazu gedacht ist, auf einem Sitz (25) der Auslassklappe in dichten Kontakt zu kommen.
  7. Ausgabeeinrichtung nach Anspruch 6, wobei ein Durchgang für fluides Produkt zwischen der offenen Auslassklappe und der Ausgabeöffnung definiert ist, wobei dieser Durchgang in der Ruheposition im Wesentlichen durch den Kolben derart ausgefüllt ist, dass das Totvolumen verringert wird.
  8. Ausgabeeinrichtung nach einem der vorhergehenden Ansprüche, wobei der Kolben (3) ein Differentialkolben ist, der sich als Reaktion auf eine Druckänderung in der Kammer für das fluide Produkt (20) verschiebt.
  9. Ausgabeeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Ausgabewand (23) derart durch eine Druckvorrichtung (2) gebildet ist, dass der Kolben (3) in der Druckvorrichtung gleitet, wobei die Auslassklappe einen von der Druckvorrichtung gebildeten Sitz (25) aufweist.
  10. Ausgabeeinrichtung nach Anspruch 9, wobei die Druckvorrichtung eine Stützwand (21) und einen im Wesentlichen zylindrischen Umfangsmantel (22) aufweist, wobei die Ausgabewand (23) durch den Mantel gebildet ist, wobei der Mantel ein unteres Ende (26) aufweist, das in einer axialen Führungsbuchse (12) im Eingriff ist, die vorteilhafterweise als Stütze für eine Schutzkappe (5) dient.
EP08826950.1A 2007-07-24 2008-07-24 Ausgabeelement für ein flüssigprodukt Not-in-force EP2178649B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0756691A FR2919275B1 (fr) 2007-07-24 2007-07-24 Organe de distribution de produit fluide.
PCT/FR2008/051395 WO2009019398A2 (fr) 2007-07-24 2008-07-24 Organe de distribution de produit fluide

Publications (2)

Publication Number Publication Date
EP2178649A2 EP2178649A2 (de) 2010-04-28
EP2178649B1 true EP2178649B1 (de) 2014-11-19

Family

ID=39166377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08826950.1A Not-in-force EP2178649B1 (de) 2007-07-24 2008-07-24 Ausgabeelement für ein flüssigprodukt

Country Status (8)

Country Link
US (1) US8028863B2 (de)
EP (1) EP2178649B1 (de)
JP (1) JP5439371B2 (de)
CN (1) CN101754817B (de)
BR (1) BRPI0814528A2 (de)
ES (1) ES2529571T3 (de)
FR (1) FR2919275B1 (de)
WO (1) WO2009019398A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2906233B1 (fr) * 2006-09-27 2011-02-11 Valois Sas Dispositif de distribution de produit fluide.
JP5744515B2 (ja) 2007-05-30 2015-07-08 グラクソ グループ リミテッドＧｌａｘｏ Ｇｒｏｕｐ Ｌｉｍｉｔｅｄ 流体ディスペンサ
US8444019B2 (en) 2009-08-07 2013-05-21 Ecolab Usa Inc. Wipe and seal product pump
EP3067121A1 (de) 2015-03-09 2016-09-14 Aptar Radolfzell GmbH Flüssigkeitsspender

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482784A (en) * 1967-10-11 1969-12-09 Gillette Co Valve
US4050613A (en) * 1976-08-31 1977-09-27 Corsette Douglas Frank Manual actuated dispensing pump
US4111367A (en) * 1977-02-18 1978-09-05 Ethyl Corporation Finger operated spray pump
US4494680A (en) * 1980-02-13 1985-01-22 Corsette Douglas Frank Manually operated dispensing pump
US4511065A (en) * 1980-02-13 1985-04-16 Corsette Douglas Frank Manually actuated pump having pliant piston
DE4212413C2 (de) * 1992-04-14 1996-09-12 Andris Raimund Gmbh & Co Kg Dosierpumpe aus Kunststoff für hochviskose, insbesondere pastenartige Medien
FR2852302B1 (fr) * 2003-03-13 2006-07-14 Valois Sas Organe de distribution de produit fluide et distributeur de produit fluide comprenant un tel organe
DE602004028962D1 (de) * 2003-12-22 2010-10-14 Valois Sas Flüssigkeitsspendereinheit und behälter mit einer solchen einheit
US7182225B2 (en) * 2004-02-23 2007-02-27 Valois S.A.S. Fluid dispenser member
FR2866579B1 (fr) * 2004-02-23 2006-05-26 Valois Sas Organe de distribution de produit fluide
FR2906232B1 (fr) * 2006-09-27 2008-12-12 Valois Sas Dispositif de distribution de produit fluide.

Also Published As

Publication number Publication date
JP2010534129A (ja) 2010-11-04
US20090026224A1 (en) 2009-01-29
WO2009019398A3 (fr) 2009-05-07
FR2919275B1 (fr) 2012-04-27
BRPI0814528A2 (pt) 2015-01-27
CN101754817B (zh) 2012-10-03
JP5439371B2 (ja) 2014-03-12
ES2529571T3 (es) 2015-02-23
CN101754817A (zh) 2010-06-23
FR2919275A1 (fr) 2009-01-30
EP2178649A2 (de) 2010-04-28
US8028863B2 (en) 2011-10-04
WO2009019398A2 (fr) 2009-02-12

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