EP1450963B1 - Pumpe sowie vorrichtung zur abgabe von fluiden medien mit einer solchen pumpe - Google Patents

Pumpe sowie vorrichtung zur abgabe von fluiden medien mit einer solchen pumpe Download PDF

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Publication number
EP1450963B1
EP1450963B1 EP02795397A EP02795397A EP1450963B1 EP 1450963 B1 EP1450963 B1 EP 1450963B1 EP 02795397 A EP02795397 A EP 02795397A EP 02795397 A EP02795397 A EP 02795397A EP 1450963 B1 EP1450963 B1 EP 1450963B1
Authority
EP
European Patent Office
Prior art keywords
pump
turret
pump body
gasket
support means
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
EP02795397A
Other languages
English (en)
French (fr)
Other versions
EP1450963A1 (de
Inventor
Jean-Marc Pardonge
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
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Filing date
Publication date
Application filed by Valois SAS filed Critical Valois SAS
Publication of EP1450963A1 publication Critical patent/EP1450963A1/de
Application granted granted Critical
Publication of EP1450963B1 publication Critical patent/EP1450963B1/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
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • 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

Definitions

  • the present invention relates to a fluid dispenser pump, and a fluid dispenser device incorporating such a pump.
  • Fluid dispensing devices usually comprise a reservoir on which is mounted a dispensing member, such as a pump. This assembly is performed by means of a fastening element, such as a screw or snap ring or a crimpable cap. The seal between the reservoir and the fixing element is achieved by means of a seal called a neck seal. Since the manufacturer of the pump is generally different from the manufacturer of the product to be dispensed, the pump is manufactured, assembled and delivered to the manufacturer of the product that fills the tank and then performs the step of fixing said pump on said tank by means of the fastening element.
  • a fastening element such as a screw or snap ring or a crimpable cap.
  • the seal between the reservoir and the fixing element is achieved by means of a seal called a neck seal. Since the manufacturer of the pump is generally different from the manufacturer of the product to be dispensed, the pump is manufactured, assembled and delivered to the manufacturer of the product that fills the tank and then performs the step of fixing said pump on said tank by means of the
  • the pump In order to provide the fluid manufacturer with a complete and preassembled pump subassembly, the pump is generally delivered complete and ready to assemble, ie incorporating all the essential elements of its assembly, including the aforementioned neck seal.
  • This neck seal is usually pre-mounted around the pump body of the pump, so that after filling the tank, the manufacturer of the fluid only has to arrange the pump on the neck of the tank and the pump. assemble by means of the fastener.
  • the document EP-1 050 481 discloses such a device.
  • the pre-assembly of the seal around the pump body is generally achieved by a plugging said seal on the pump body.
  • the inner peripheral surface of the seal is generally not annular but has several points of contact with the pump body, generally three which are evenly distributed around the pump body, and which ensure the positioning and the maintaining the seal after this plugging.
  • the seal therefore exerts a radial force on the pump body, which must be sufficient to prevent movement of said seal during storage or transport.
  • This radial force exerted by the seal on the outside of the pump body can cause a slight deformation of the side surface of said pump body, which can cause leakage at the sliding surface of the piston inside the body. pump.
  • EP-0 825 128 discloses a fastener forming a turret, the neck seal being co-molded with said turret. This implementation is complex and involves the use of a complicated and expensive manufacturing machine.
  • WO 99/32376 discloses a crimping capsule incorporating on its inner surface snap means of the neck seal.
  • the present invention aims to provide a fluid dispensing pump that does not reproduce the aforementioned drawbacks.
  • the present invention therefore aims to provide a fluid dispenser pump that is simple and inexpensive to manufacture to assemble, and that is reliable in use.
  • the present invention aims to provide a fluid dispenser pump that limits the risk of leakage.
  • the present invention therefore relates to a fluid dispenser pump according to claim 1.
  • said turret is attached to the upper edge of the pump body and has an inner portion extending inside the pump body.
  • said support means comprise an outwardly extending radial flange, said flange forming a bearing surface for said seal, and said radial shoulder being offset axially with respect to said flange, and forming a retaining shoulder for said seal. said seal being assembled between said flange and said shoulder.
  • the outer portion of the turret comprises an axial sleeve approximately parallel to the pump body, the upper edge of said sleeve being fixed to said pump body and the lower edge of said sleeve comprising said support means.
  • said axial sleeve of the turret is spaced from said pump body, so that the seal exerts no radial force on said pump body.
  • the present invention also relates to a fluid dispenser device comprising a product reservoir and a pump as described above, said pump being mounted on said reservoir by a fixing element, such as a fixing ring.
  • a fixing element such as a fixing ring.
  • said seal which is disposed in the support means of the turret being the seal ensuring the seal between the reservoir and the fastener.
  • the seal is assembled and retained by the pump turret before assembly of the pump on the reservoir.
  • said fixing element cooperates with the radial flange of the turret to fix the pump on the reservoir, with interposition of the seal.
  • the dispensing pump comprises a pump body 10 of generally cylindrical shape. Inside this pump body slides at least one piston 15 between a rest position, which is that represented on the figure 1 and an actuating position, not shown, in which the piston 15 is moved within the pump body.
  • a rest position which is that represented on the figure 1
  • an actuating position not shown, in which the piston 15 is moved within the pump body.
  • the internal structure of the pump, and its operation will not be described in more detail below, since the invention does not relate directly to the operation of the pump. On the contrary, the present invention applies to any type of pump, and that represented on the figure 1 is only an example, the scope of the present invention not being limited to this pump.
  • the pump comprises a turret 20 which is fixed to the pump body 10, and more particularly to the upper edge 11 of the pump body 10.
  • This turret 20 advantageously comprises an inner part 23 which extends inside the pump body 10 and which can serve to define the rest position of the piston 15.
  • the turret 20 further comprises an outer portion 21 which extends outside the pump body and which comprises support means 30 to receive and maintain a seal 40.
  • this external part 21 is advantageously made in the form of an axial sleeve 21 which extends approximately parallel to the pump body 10, and whose upper edge is fixed to the upper edge 11 of the pump body 10, whereas the edge lower the support means 30.
  • the sleeve 21 of the turret 20 is spaced radially from the pump body, at least at said support means 30, so that when the seal 40 is assembled in said support means 30, it exerts no force radial on the pump body.
  • the present invention therefore avoids any deformation of the pump body due to the prepositioning of the neck seal 40, so that the risk of leakage from the pump is reduced.
  • the seal 40 is generally made in the form of an annular disc which extends approximately perpendicular to the longitudinal central axis of the pump. Indeed, this seal 40 is generally intended to seal between the upper edge of the neck of a tank 1 and a fastener 5 for fixing the pump on said tank.
  • This fastening element 5 may be a screw-in ring as shown in FIG. figure 1 but could also be in the form of a snap ring or a crimpable capsule, or more generally in any way allowing the attachment of the pump on the tank.
  • FIGS. 2 and 3 show more detailed views of the turret 20, including support means 30 for pre-positioning the seal 40.
  • these support means comprise a radial flange 33 extending outwardly and with the upper side of which comes to cooperate the fixing element 5 when fixing the pump on the tank.
  • the lower side of this radial flange 33 forms a bearing surface for the seal 40.
  • a radial shoulder 31 is also provided, which is offset axially with respect to said radial flange 33, and which forms the retaining shoulder for said seal 40.
  • the seal 40 is assembled between said radial flange 33 and said radial shoulder 31.
  • the seal even if the seal exerts a radial force on the turret, it can be distributed over the entire circumference of the turret, unlike the prior art, where the seal was held on the body of the turret. pump at three points and thus exerted this radial force only in three points, which implied a risk of deformation of the joint.
  • the present invention eliminates this risk by distributing the possible radial force over the entire circumference.
  • the shoulder 31 can be extended by an inclined ramp 35 which facilitates the introduction, assembly, or more generally the latching of the seal 40 in said support means of the turret 20 .
  • the manufacturer of the pump assembles all the constituent elements of the pump inside the pump body, fixes the turret 20 on the pump body and then pre-assembles the seal 40 in the support means 30 of the turret 20.
  • This subassembly is then delivered to the manufacturer of the fluid product, which then fills the tank 1 with its product and then places the pump on the neck of the tank, the seal 40 is generally disposed on the upper edge of said tank.
  • the pump is then fixed by the fixing element 5, which in the whole of the figure 1 is a screw ring.
  • the present invention thus makes it possible to obtain, in a simple and inexpensive manner, the same advantages as with existing pumps, namely the delivery to the fluid product manufacturer of a complete pump unit that it is sufficient to assemble after filling the reservoir , without the disadvantages that previously existed, namely the risk of leakage at the pump body due to compression forces exerted by the seal fitted around this pump body.

Landscapes

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

Claims (9)

  1. Pumpe zur Abgabe von Fluidprodukt, aufweisend einen Pumpenkörper (10), in welchem zumindest ein Kolben (15) längs einer Längsmittenachse der Pumpe zwischen einer Ruhestellung und einer Betätigungsstellung gleitet, und eine Drehbuchse (20), die an dem Pumpenkörper (10) festgelegt ist und die Ruhestellung des zumindest einen Kolbens (15) festlegt, wobei die Drehbuchse (20) einen Außenteil (21) aufweist, der sich zur Außenseite des Pumpenkörpers (10) erstreckt, wobei die Drehbuchse (20) auf dem Außenteil (21) Tragmittel (30) zur Aufnahme und Halterung einer Dichtung (40) aufweist, wobei die Dichtung (40) ringförmig ist und sich in den Tragmitteln (30) ungefähr senkrecht zur Längsmittenachse der Pumpe erstreckt, dadurch gekennzeichnet, dass die Tragmittel (30) eine radiale Schulter (31) aufweisen, die sich nach außen erstreckt, wobei die Dichtung (40) auf der Schulter (31) verrastet ist.
  2. Pumpe nach Anspruch 1, wobei der Außenteil (21) der Drehbuchse (20) radial zum Pumpenkörper (10) auf Höhe der Tragmittel (30) beabstandet ist, so dass die Dichtung (40) keinerlei radiale Kraft auf den Pumpenkörper (10) ausübt.
  3. Pumpe nach Anspruch 1 oder 2, wobei die Tragbuchse (20) am oberen Rand (11) des Pumpenkörpers (10) festgelegt ist und einen Innenteil (23) aufweist, der sich im Inneren der Pumpe (10) erstreckt.
  4. Pumpe nach einem der vorangehenden Ansprüche, wobei die Tragmittel (30) einen radialen Flansch (33) aufweisen, der sich nach außen erstreckt, wobei der Flansch (33) eine Anlagefläche für die Dichtung (40) bildet, wobei die radiale Schulter axial relativ zum Flansch (33) versetzt ist und für die Dichtung (40) einen Rückhaltevorsprung bildet, wobei die Dichtung (40) zwischen dem Flansch (33) und dem Vorsprung montiert ist.
  5. Pumpe nach einem der vorangehenden Ansprüche, wobei der Außenteil (21) der Drehbuchse (20) einen axialen Stutzen (21) in etwa parallel zum Pumpenkörper (10) aufweist, wobei der obere Rand des Stutzens (21) am Pumpenkörper (10) festgelegt ist und der untere Rand des Stutzens (21) die Tragmittel (30) aufweist.
  6. Pumpe nach Anspruch 5, wobei der axiale Stutzen (21) der Drehbuchse (20) von dem Pumpenkörper (10) derart beabstandet ist, dass die Dichtung (40) keinerlei radiale Kraft auf den Pumpenkörper (10) ausübt.
  7. Vorrichtung zur Abgabe von Fluidprodukt, aufweisend einen Produktvorratsbehälter (1) und eine Pumpe nach einem der Ansprüche 1 bis 6, wobei die Pumpe auf dem Vorratsbehälter (1) durch ein Festlegungselement (5) wie einen Festlegungsring angebracht ist, wobei die Dichtung (40), die in den Tragmitteln (30) der Drehbuchse (20) angeordnet ist, diejenige Dichtung bildet, welche die Dichtigkeit zwischen dem Vorratsbehälter (1) und dem Festlegungselement (5) gewährleistet.
  8. Vorrichtung zur Abgabe von Fluidprodukt nach Anspruch 7, wobei die Dichtung (40) durch die Drehbuchse der Pumpe vor der Montage der Pumpe auf dem Vorratsbehälter angebracht und rückgehalten ist.
  9. Vorrichtung zur Abgabe von Fluidprodukt nach Anspruch 7 oder 8, wobei das Festlegungselement (5) mit dem radialen Flansch (33) der Drehbuchse (20) zusammenwirkt, um die Pumpe auf dem Vorratsbehälter (1) und der Zwischenanordnung der Dichtung (40) festzulegen.
EP02795397A 2001-11-28 2002-11-25 Pumpe sowie vorrichtung zur abgabe von fluiden medien mit einer solchen pumpe Expired - Lifetime EP1450963B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0115378 2001-11-28
FR0115378A FR2832767B1 (fr) 2001-11-28 2001-11-28 Pompe de distribution de produit fluide et dispositif de distribution de produit fluide incorporant une telle pompe
PCT/FR2002/004036 WO2003045576A1 (fr) 2001-11-28 2002-11-25 Pompe de distribution de produit fluide et dispositif de distribution de produit fluide incorporant une telle pompe

Publications (2)

Publication Number Publication Date
EP1450963A1 EP1450963A1 (de) 2004-09-01
EP1450963B1 true EP1450963B1 (de) 2009-01-14

Family

ID=8869874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02795397A Expired - Lifetime EP1450963B1 (de) 2001-11-28 2002-11-25 Pumpe sowie vorrichtung zur abgabe von fluiden medien mit einer solchen pumpe

Country Status (8)

Country Link
US (1) US7445134B2 (de)
EP (1) EP1450963B1 (de)
JP (1) JP4319913B2 (de)
CN (1) CN100354047C (de)
AU (1) AU2002360189A1 (de)
DE (1) DE60230909D1 (de)
FR (1) FR2832767B1 (de)
WO (1) WO2003045576A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110303702A1 (en) * 2010-06-11 2011-12-15 Derxin (Shanghai) Cosmetics Co., Ltd. Liquid spray head assembly
KR101101030B1 (ko) 2011-09-21 2011-12-29 서승환 Ｌｅｄ 모듈의 전압 계측 방법 및 장치
FR3002293B1 (fr) * 2013-02-15 2015-04-10 Aptar France Sas Pompe a precompression amelioree.

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1600699A (de) * 1968-12-31 1970-07-27
IT1219694B (it) * 1988-05-24 1990-05-24 Sar Spa Dispositivo di tenuta per pompette a mano erogatrici di prodotti in pasta o liquidi
ES2011140A6 (es) * 1988-10-10 1989-12-16 Monturas Sa Bomba pulverizadora.
US5038965A (en) * 1990-04-06 1991-08-13 Spruhventile Gmbh Pump dispenser for delivering a predetermined dosage regardless of method of actuation
FR2664182B1 (fr) * 1990-07-09 1992-10-09 Valois Pompe-doseuse pour pulverisateur sous pression avec securite intrinseque.
US5147073A (en) * 1991-02-11 1992-09-15 Spruhventile Gmbh Fluid pump dispenser for pharmaceutical use
US5163588A (en) * 1991-04-10 1992-11-17 Bespak Plc Atomizing pump dispenser for water based formulations
US5817693A (en) * 1991-11-05 1998-10-06 Cousins; Russell Donovan Endothelin receptor antagonists
US5284276A (en) * 1992-10-21 1994-02-08 Bespak Plc Pump dispenser with combined inlet and outlet ports
US5566865A (en) * 1993-12-22 1996-10-22 Valois S.A. Manual atomizing pump with adjustable dosage
US5503306A (en) * 1994-10-19 1996-04-02 Aptar Group, Inc. Manually actuated pump
US5706984A (en) * 1994-12-24 1998-01-13 Canyon Corporation Pump dispenser and a method of assembling the pump dispenser
FR2752411B1 (fr) * 1996-08-14 1998-10-30 Valois Organe de fixation d'un dispositif de distribution sur un col d'un reservoir
FR2764584B1 (fr) * 1997-06-13 1999-08-20 Valois Sa Distributeur de produit fluide a bague de fixation encliquetable
US5918778A (en) * 1997-12-19 1999-07-06 Emson, Inc. Pump and pump securing device which maintains consistent dosage accuracy, and method of securing a pump to a container
EP1050481B1 (de) * 1999-05-07 2004-08-11 Airlessystems Verschnappter Spender mit einem Nachlaufkolben
FR2794727B1 (fr) * 1999-06-10 2001-08-24 Valois Sa Dispositif de distribution de produit fluide ameliore
AU2001277771A1 (en) * 2000-10-17 2002-04-29 Kanebo Limited Liquid container and method of refilling refill liquid in the liquid container
FR2815675B1 (fr) * 2000-10-23 2003-05-02 Valois Sa Pompe de distribution de produit fluide
US6698623B2 (en) * 2002-04-17 2004-03-02 Valois S.A. Fluid dispenser pump

Also Published As

Publication number Publication date
EP1450963A1 (de) 2004-09-01
US20060011658A1 (en) 2006-01-19
CN100354047C (zh) 2007-12-12
FR2832767A1 (fr) 2003-05-30
WO2003045576A1 (fr) 2003-06-05
FR2832767B1 (fr) 2005-10-07
CN1596155A (zh) 2005-03-16
AU2002360189A1 (en) 2003-06-10
JP4319913B2 (ja) 2009-08-26
JP2005529724A (ja) 2005-10-06
DE60230909D1 (de) 2009-03-05
US7445134B2 (en) 2008-11-04

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