EP1268083B1 - Abgabevorrichtung mit einem durch einem differentialkolben gebildetes auslassventil - Google Patents

Abgabevorrichtung mit einem durch einem differentialkolben gebildetes auslassventil Download PDF

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Publication number
EP1268083B1
EP1268083B1 EP01907797A EP01907797A EP1268083B1 EP 1268083 B1 EP1268083 B1 EP 1268083B1 EP 01907797 A EP01907797 A EP 01907797A EP 01907797 A EP01907797 A EP 01907797A EP 1268083 B1 EP1268083 B1 EP 1268083B1
Authority
EP
European Patent Office
Prior art keywords
piston
dispensing member
differential piston
chamber
member 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 - Lifetime
Application number
EP01907797A
Other languages
English (en)
French (fr)
Other versions
EP1268083A1 (de
Inventor
Firmin Garcia
stéphane Beranger
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 EP1268083A1 publication Critical patent/EP1268083A1/de
Application granted granted Critical
Publication of EP1268083B1 publication Critical patent/EP1268083B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1038Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/104Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1001Piston pumps
    • B05B11/1015Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1001Piston pumps
    • B05B11/1021Piston pumps having an outlet valve which is a gate valve
    • B05B11/1022Piston pumps having an outlet valve which is a gate valve actuated by pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1042Components or details
    • B05B11/1073Springs
    • B05B11/1074Springs located outside pump chambers

Definitions

  • the present invention relates to a fluid dispenser member for mounting on the neck of a container.
  • this dispensing member comprises a body defining a chamber, an actuating rod provided with a pusher, a piston mounted on the actuating rod and sliding in a sealed manner in the chamber, an inlet valve and an outlet valve. Pressing the pusher moves the piston which reduces the volume of the pump chamber and thus puts the fluid it contains under pressure. The inlet valve closes and the outlet valve opens to expel the fluid product from the chamber to the outside.
  • the outlet valve is located inside the pump chamber and slidably mounted on the actuating rod.
  • the piston is formed by a sleeve defining on its outer periphery a sealing lip for sealingly sliding against the inner wall of the body.
  • the sleeve slides on the actuating rod so as to selectively mask and unmask one or more outlets communicating with an inner conduit formed within the actuating rod.
  • the outlet orifice is located on the pusher so that it is movable with the latter.
  • This type of distribution member is described in particular in WO 95/29016.
  • the piston is biased by a spring which bears on the one hand on the piston sleeve, and on the other hand against a stop collar formed by an actuating rod.
  • said differential piston slides in the body.
  • the body defines a cylindrical section in which the differential piston slides, said cylindrical section being provided with a passage hole selectively closable by said differential piston.
  • the dispensing member will be fixed spray, that is to say provided with a dispensing orifice that does not move with the rod and the pusher.
  • a ferrule is engaged in the body to define the rest position of the piston, said differential piston being biased by the spring against said ferrule.
  • the differential piston slides sealingly on a cylindrical sleeve formed by the ferrule.
  • the shell here fulfills a dual function, namely that of stop for the piston in the rest position and that of stop for the differential piston also in the rest position.
  • the cylindrical sleeve of the ferrule also serves as guide means for the actuating rod to keep it in line.
  • the differential piston is disposed between the pusher and the ferrule.
  • the spring is located outside the chamber.
  • the differential piston is located outside the chamber.
  • the fluid dispenser member which is here a precompression pump is shown mounted on a neck of a container.
  • a fixing ring 3 which cooperates with the inner wall of the neck 10, for example by snapping.
  • the fixing ring 3 can also form a housing in which a nozzle 8 is engaged.
  • the pump will then be of the fixed spray type.
  • a trim ring 9 for example metal.
  • the pump also comprises a body 2 engaged inside the fixing ring 3.
  • a piston 4 is slidably mounted inside a barrel 20 defined by the body 2.
  • the piston 4 is mounted at the end of an actuating rod 5 which terminates at its upper end by a pusher 51 on which is pressed to actuate the pump.
  • the piston 4 and the body 2 together define a pump chamber 43 which communicates with the container through an inlet 230.
  • the pump chamber is connected to the nozzle 8 by a discharge channel 23 which is formed between the body 2 and the fixing ring 3.
  • a ferrule 6 is further engaged in the pump body 2: this ferrule 6 comprises a sleeve 61 which forms at its lower end an abutment surface for the piston 4 in the rest position.
  • the sleeve 6 forms a sleeve 62 through which the actuating rod 5 extends. This sleeve 62 consequently constitutes guiding means for keeping the actuating rod 5 in the axis.
  • the ferrule also defines its bearing surface 64.
  • a differential piston 7 is provided to serve as a movable outlet valve member.
  • the differential piston 7 is biased by a spring 52 against the bearing surface 64 of the shell 6.
  • the spring 52 is supported on the one hand against the differential piston 7 and on the other hand against the underside of the pusher 51.
  • differential piston is formed with a central sleeve 71 for sealingly sliding on the sleeve 62 formed by the collar 6.
  • the differential piston is formed with an outer sealing lip 72 in sealing contact with the 2. More precisely, the body 2 forms at its upper end a cylindrical section 26 in which the differential piston 7 slides. This cylindrical section 26 is pierced with a through hole 25 which communicates with an outlet duct 35 formed by the 3.
  • the product can flow through the nozzle 8, advantageously passing through channels and a swirling chamber. Since the sealing lip 72 of the differential piston 7 slides against the inner wall of the cylindrical section 26, it selectively masks and unmasks the through hole 25. Therefore, the fluid product from the pump chamber 43 through the discharge channel 23 can flow through the through hole 25 when the differential piston 7 unmasks the hole 25. In other words, the product at the outlet of the discharge channel 23 enters a valve chamber of outlet 74 which increases in volume when the pressure inside the pump chamber 43 is sufficient to raise the differential piston 7 on the sleeve 62 of the ferrule 6 against the spring 52. It should therefore also be noted that the spring 52 serves as both a return piston and precompression.
  • the internal diameter of the cylindrical section 26 is different from that of the barrel 20 of the body 2 in which the piston 4 slides.
  • the diameter of the cylindrical section 26 is greater than that of the so that a reduction effect is created, since the differential piston 7 has a shorter stroke than that of the piston 4. Indeed, it suffices for the differential piston 7 to move less than a millimeter to unmask the piston. through hole 25, while the piston moves about a centimeter.
  • the single return spring and precompression 52 is located outside the chamber 43, that is to say out of contact with the fluid to be dispensed.
  • the ferrule 6 fills in this pump several functions at the same time, namely that of high dead point for the piston 4, that of stop for the differential piston 7, that of sliding wall with its sealing sleeve 62 for the differential piston 7, that of guiding means with its sleeve 62 for the actuating rod 5.
  • the ferrule 6 performs an additional function of locking with its sleeve 61 by blocking the snap of the fixing ring 3 to the interior of the neck 10 of the container 1.
  • Such a ferrule 6 may for example be implemented with a differential piston having other characteristics.
  • FIGS. 2a, 2b and 2c explain a complete operating cycle of such a pump.
  • the piston 4 In the position shown in FIG. 2a, the piston 4 is in its high position in abutment against the shell 6. No pressure is exerted on the pusher 51 and the spring 52 is in its most relaxed state with the differential piston 7 biased against the shell 6. The through hole 25 is then closed by the outer peripheral lip 72 of the differential piston 7.
  • the pressurized product has the effect of displacing the piston differential against the spring 52 until its outer peripheral lip 72 unmasks the through hole 25, as shown in Figure 2b.
  • the fluid product can then escape through the passage 25 and the nozzle.
  • the outlet valve remains open as long as the pressure is sufficient to hold the lip 72 above the through hole 25.

Landscapes

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

Claims (10)

  1. Abgabeorgan für ein fluidförmiges Produkt, das folgendes umfasst:
    • Einen Körper (2), der eine Kammer (43) aufweist,
    • eine Betätigungsstange (5), die mit einem Drücker (51) versehen ist,
    • einen Kolben (4), der auf der Betätigungsstange (5) montiert ist und in dichter Weise in der Kammer gleitet.
    • ein Eintrittsventil, und
    • ein Ausgangsventil (7),
    dadurch gekennzeichnet, dass das Ausgangsventil einen Differentialkolben (7) umfasst, der unter der Wirkung des Drucks, der vom Kolben (4) auf das fluidförmige Produkt ausgeübt wird, gegen die Wirkung einer Feder (52) verschiebbar ist, die sich einerseits am Differentialkolben und andererseits am Drücker abstutzt.
  2. Abgabeorgan nach Anspruch 1, bei dem der Differentialkolben (7) im Körper (2) gleitet.
  3. Abgabeorgan nach Anspruch 2, bei dem der Körper (2) einen zylindrischen Abschnitt (26) aufweist, in welchem der Differentialkolben gleitet, wobei dieser zylindrische Abschnitt mit einem Durchgangsloch (25) versehen ist, das durch den Differentialkolben wahlweise verschließbar ist.
  4. Abgabeorgan nach einem der vorhergehenden Ansprüche, bei dem ein Ringkörper (6) mit dem Körper (2) in Eingriff steht, um die Ruhelage des Kolbens (4) zu definieren, wobei der Differentialkolben (7) gegen den Ringkörper (6) durch die Feder (52) vorgespannt ist.
  5. Abgabeorgan nach Anspruch 4, bei dem der Differentialkolben (7) in dichter Weise auf einer zylindrischen Manschette (62) gleitet, die von einem Ringkörper (6) gebildet wird.
  6. Abgabeorgan nach Anspruch 4, 5 oder 6, bei dem der Differentialkolben (7) zwischen dem Drücker (51) und dem Ringkörper (6) angeordnet ist.
  7. Abgabeorgan nach einem der vorhergehenden Ansprüche, bei dem die Feder außerhalb der Kammer angeordnet ist.
  8. Abgabeorgan nach einem der vorhergehenden Ansprüche, bei dem der Differentialkolben (7) außerhalb der Kammer (43) angeordnet ist.
  9. Abgabeorgan nach einem der Ansprüche 3 bis 8, bei dem der zylindrische Abschnitt (26) einen innendurchmesser aufweist, der von dem der Kammer (43) verschieden ist, in welcher der Kolben gleitet.
  10. Abgabeorgan nach Anspruch 9, bei dem der Innendurchmesser des zylindrischen Abschnitts größer ist als der der Kammer.
EP01907797A 2000-03-20 2001-02-14 Abgabevorrichtung mit einem durch einem differentialkolben gebildetes auslassventil Expired - Lifetime EP1268083B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0003533 2000-03-20
FR0003533A FR2806330B1 (fr) 2000-03-20 2000-03-20 Organe de distribution a clapet de sortie forme par un piston differentiel
PCT/FR2001/000437 WO2001070412A1 (fr) 2000-03-20 2001-02-14 Organe de distribution a clapet de sortie forme par un piston differentiel

Publications (2)

Publication Number Publication Date
EP1268083A1 EP1268083A1 (de) 2003-01-02
EP1268083B1 true EP1268083B1 (de) 2005-09-21

Family

ID=8848287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01907797A Expired - Lifetime EP1268083B1 (de) 2000-03-20 2001-02-14 Abgabevorrichtung mit einem durch einem differentialkolben gebildetes auslassventil

Country Status (9)

Country Link
US (1) US6371337B2 (de)
EP (1) EP1268083B1 (de)
JP (1) JP2004511324A (de)
CN (1) CN1171686C (de)
BR (1) BR0109431A (de)
DE (1) DE60113516T2 (de)
ES (1) ES2250357T3 (de)
FR (1) FR2806330B1 (de)
WO (1) WO2001070412A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6592010B2 (en) * 2001-03-22 2003-07-15 Valois S.A. Fluid dispenser
US6554160B2 (en) * 2001-03-22 2003-04-29 Valois S.A. Dispenser member such as a pump or a valve
US7055721B2 (en) 2001-03-23 2006-06-06 Chong Woo Co., Ltd. Finger-operated spray pump ejaculating fluid in fixed quantity
KR100755809B1 (ko) * 2001-03-23 2007-09-05 주식회사 종우실업 수동식 정량 분사 펌프
FR2828821B1 (fr) * 2001-08-23 2004-01-23 Valois Sa Tete de distribution pour distributeur de produit fluide
WO2003099706A1 (en) * 2002-05-23 2003-12-04 Cohen, Ben, Z. Medically accurate pump system
FR2840890B1 (fr) * 2002-06-14 2004-10-15 Valois Sa Organe de fixation et distributeur de produit fluide comprenant un tel organe de fixation
US7255248B2 (en) * 2002-08-29 2007-08-14 Emsar, Inc. Plug style pump
FR2845355B1 (fr) * 2002-10-07 2005-09-09 Valois Sas Distributeur de produit fluide
US20040069812A1 (en) * 2002-10-07 2004-04-15 Valois S.A.S. Fluid dispenser
ATE322344T1 (de) * 2002-11-25 2006-04-15 Saint Gobain Calmar Sa Vordruckpumpe mit verringerter höhe
FR2864042A1 (fr) * 2003-06-20 2005-06-24 Oreal Dispositif de conditionnement et de distribution comportant un bouton-poussoir
US7740154B2 (en) * 2007-01-12 2010-06-22 The Clorox Company Bottle Fitment
DE102007036999A1 (de) * 2007-08-06 2009-02-19 Nord-Micro Ag & Co. Ohg Ausströmventil für ein Luftfahrzeug
JP5735516B2 (ja) 2009-09-21 2015-06-17 ノードソン コーポレーションNordson Corporation 空気圧作動式液体吐出弁
CA2815247A1 (en) * 2010-10-20 2012-04-26 Meadwestvaco Calmar, Inc. Precompression pump mechanisms
CN103303557B (zh) * 2013-05-13 2016-06-08 中山市联昌喷雾泵有限公司 一种密封进气口式防漏液乳液泵
USD717666S1 (en) 2014-03-14 2014-11-18 The Clorox Company Fluid dispenser
CN104150081B (zh) * 2014-08-18 2016-02-24 中山市联昌喷雾泵有限公司 一种变容式乳液泵
FR3032436B1 (fr) * 2015-02-10 2019-08-30 Louis Vuitton Malletier Dispositif de conditionnement pour un produit a distribuer
DE102018112442A1 (de) * 2018-05-24 2019-11-28 Gerhard Brugger Dosierspender zur Dosierung von wenigstens einer in einem Aufnahmeabteil aufgenommenen Materialkomponente

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227628A (en) * 1979-02-23 1980-10-14 Parsons Frederick L Fluid dispensing pump having axially deformable valve
JPS61905Y2 (de) * 1979-06-28 1986-01-13
US5217148A (en) * 1991-02-11 1993-06-08 Spruhventile Gmbh Pharmaceutical pump dispenser
FR2686377B1 (fr) * 1992-01-20 1994-03-25 Valois Pompe a precompression perfectionnee.
FR2719242B1 (fr) 1994-04-27 1996-07-12 Valois Sa Pompe à précompression perfectionnée.
FR2726045B1 (fr) * 1994-10-19 1997-01-10 Sofab Pompe miniature a precompression
FR2742812B1 (fr) * 1995-12-22 1998-02-20 Valois Pompe a precompression formee dans le poussoir
FR2748406B1 (fr) * 1996-05-07 1998-08-28 Valois Dispositif de distribution a spray fixe
FR2764005B1 (fr) * 1997-05-29 2004-12-10 Sofab Pompe a piston articule
US6209759B1 (en) * 1997-07-04 2001-04-03 Valois S.A. Hand-operated pump with a free floating sleeve piston
IT1294275B1 (it) * 1997-07-24 1999-03-24 Giovanni Albini Pulsante per l'erogazione di fluidi attraverso un ugello mobile sul pulsante stesso
FR2777209B1 (fr) * 1998-04-14 2000-06-30 Sofab Dispositif pour le prepositionnement d'une collerette d'habillage sur un bouton-poussoir
US6170713B1 (en) * 1998-10-28 2001-01-09 Emson, Inc. Double spring precompression pump with priming feature
GB2344857B (en) * 1998-12-15 2001-03-14 Bespak Plc Improvements in or relating to dispensing apparatus

Also Published As

Publication number Publication date
ES2250357T3 (es) 2006-04-16
WO2001070412A1 (fr) 2001-09-27
BR0109431A (pt) 2002-12-10
US20010022309A1 (en) 2001-09-20
DE60113516D1 (de) 2005-10-27
DE60113516T2 (de) 2006-06-14
US6371337B2 (en) 2002-04-16
CN1424943A (zh) 2003-06-18
FR2806330A1 (fr) 2001-09-21
EP1268083A1 (de) 2003-01-02
CN1171686C (zh) 2004-10-20
JP2004511324A (ja) 2004-04-15
FR2806330B1 (fr) 2002-10-25

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