EP2539078B1 - Ausgabevorrichtung zur ausgabe eines fluids und spender mit dieser ausgabevorrichtung - Google Patents

Ausgabevorrichtung zur ausgabe eines fluids und spender mit dieser ausgabevorrichtung Download PDF

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Publication number
EP2539078B1
EP2539078B1 EP11712613.6A EP11712613A EP2539078B1 EP 2539078 B1 EP2539078 B1 EP 2539078B1 EP 11712613 A EP11712613 A EP 11712613A EP 2539078 B1 EP2539078 B1 EP 2539078B1
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EP
European Patent Office
Prior art keywords
spring
resilient member
dispenser
fluid
contact points
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.)
Active
Application number
EP11712613.6A
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English (en)
French (fr)
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EP2539078A1 (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
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Aptar France SAS
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Publication date
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Publication of EP2539078A1 publication Critical patent/EP2539078A1/de
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Publication of EP2539078B1 publication Critical patent/EP2539078B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action
    • 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
    • B05B11/1077—Springs characterised by a particular shape or material

Definitions

  • the present invention relates fluid product dispensing member and a fluid product dispensing device comprising such a dispensing member.
  • Fluid dispensing members are well known, in particular for selectively dispensing fluid products, such as liquids or powders, especially in the field of pharmacy, perfumery and cosmetics. These fluid dispensing members may be for example pumps, valves or air flushes. They are generally associated with a reservoir containing the fluid product to form a fluid dispensing device.
  • a fluid product dispensing member comprises a body and dispensing means which are moved in said body manually by the user between a rest position and a dispensing position, said displacement permitting the dispensing of the fluid product.
  • An elastic member such as a spring, is generally used to urge said dispensing means to their rest position, so that the user must exert a force to effect the displacement towards the dispensing position, and when releasing this effort, said elastic member automatically returns the dispensing means in their rest position.
  • metal spiral springs are used as return springs. This can present a number of disadvantages.
  • the metallic material can interact with the fluid product, especially when it is a pharmaceutical product, which can have a detrimental effect on said fluid product to be dispensed.
  • the elastic properties of the spiral springs are not always optimal, which requires having springs of a size large enough to ensure safe and reliable operation of the dispensing member. In some applications, it may be desirable to reduce the dimensions of said elastic member.
  • the spiral springs which consist of a plurality of turns in series behind one another, do not exhibit an optimum resistance to stress creep.
  • a metal spring is generally formed by deformation of a strip or continuous coil, so that the end portions of the springs are never perfectly flat with an axial distribution of the elastic deformation stress which is not homogeneous.
  • a malfunction on one of the series turns can generate a strong loss of performance of the spiral spring, which can also be a disadvantage especially in devices for dispensing a large number of doses and therefore intended to be operated a large number of times. number of times.
  • the documents EP-1 477 234 and EP-1,565,270 describe plastic springs having deformable rings interconnected by rigid axial material bridges.
  • EP-1 477 234 discloses a dispensing member according to the preamble of claim 1.
  • the present invention aims to provide a fluid dispenser member and a fluid dispenser device comprising such a member, which do not reproduce the aforementioned drawbacks.
  • the present invention aims to provide a fluid dispenser member that decreases or eliminates the risk of harmful interaction between the fluid and the constituent parts of said dispensing member.
  • Another object of the present invention is to provide such a fluid dispenser member which makes it possible to achieve optimum elasticity properties with a minimum space requirement.
  • the present invention also aims to provide such a fluid dispenser member which has improved properties of stress creep resistance.
  • the present invention also aims to provide such a fluid dispenser member that allows a wide range of load control and deformation depending on the type of device in which it is used.
  • the present invention also aims to provide such a fluid dispenser member which is simple and inexpensive to manufacture and assemble, and safe and reliable use.
  • the present invention therefore relates to a fluid dispenser member according to claim 1.
  • the upper corrugated ring of a level of elasticity forms the lower corrugated ring of the elasticity level disposed directly above, and the lower corrugated ring of said elasticity level forms the upper corrugated ring of the level. of elasticity arranged directly below.
  • the contact points of a level of elasticity are offset relative to the contact points of the elasticity levels directly above and directly below, a point of contact of the elasticity level being disposed in the middle of the elasticity level. two points of contact of the level of elasticity directly above and in the middle of two points of contact of the level of elasticity directly below.
  • said synthetic material is loaded with reinforcing materials and / or creep resistance, such as glass fibers and / or carbon nanotubes.
  • said fluid product is a liquid or powdery medicine.
  • said dispensing member is a pump or a valve, said dispensing means being the pump piston or the valve valve, and said resilient member forming the return spring of said pump or valve.
  • said dispensing member is a flush of compressed air, said dispensing means being the plunger of the air flush, and said resilient member forming the return spring of said flush.
  • the present invention also relates to a fluid dispenser device, comprising a reservoir containing said fluid product, and comprising a dispensing member as described above.
  • the fluid dispenser member 10 is a pump comprising a pump body 11 in which slides a piston 20 forming dispensing means manually actuated.
  • This piston 20 when moved in said body 11 towards its dispensing position, will expel a dose of fluid product through a dispensing orifice 12 of the pump, the latter being generally connected to a dispensing head (not shown ) which comprises the spray orifice through which the fluid product will be permanently distributed to the user.
  • the piston 20 is urged by an elastic member 100 towards its rest position and when the user manually actuates the pump, he pushes the piston 20 inside the pump body 11 by compressing the elastic member 100.
  • the compressed elastic member 100 automatically returns the piston 20 of the pump 10 to its rest position, which is that represented on the figure 1 .
  • the pump shown on the figure 1 is a pump of a particular type, and it is understood that the present invention is not limited to this particular pump, but that any type of pump may be concerned.
  • a valve could also be used as a fluid dispenser member according to the present invention. In this case, it is not a piston but a valve valve that moves against the force of the elastic member within a suitable valve body.
  • the figure 2 represents another alternative embodiment of a fluid dispenser member 10 according to the present invention.
  • the fluid dispenser member 10 is an air flush, comprising a body 11 in which a piston 20 moves for compress air and thus create a flush of compressed air.
  • This compressed air will dispense a dose of fluid, usually powder, disposed downstream of said flush.
  • the air discharge piston 20 When the user presses on the air discharge piston 20, he will compress the elastic member 100 and the air contained inside the air flushing body 11, until this compressed air is dispensed, for example from a given compression threshold or from a mechanical opening of a suitable orifice 12.
  • the user releases his actuating force on the air flushing piston 20, that it is automatically returned to its rest position by the elastic member 100 compressed.
  • the user can then change the fluid cartridge, or the like, of the fluid dispensing device with which the flush is associated, to dispense the next dose.
  • the figure 2 represents only one particular embodiment, and the present invention is obviously not limited by this variant as shown.
  • the elastic member 100 has a particular structure very different from a spiral spring usually used in this type of device.
  • the figure 3 is a schematic perspective view of an advantageous embodiment of the elastic member 100.
  • the latter comprises a plurality of elastic cells C which are arranged in parallel around the longitudinal axis X of the elastic member 100.
  • plurality of elastic cells C in parallel forms a level of elasticity N.
  • the elastic member 100 comprises a plurality of elasticity levels, in this case the N-2, N-1, N, N + 1, N + 2 and N + 3 on the figure 3 .
  • a different number of levels of elasticity can be used. These levels of elasticity are superimposed on each other along said longitudinal axis X.
  • the level of elasticity N comprises an upper corrugated ring 110 with multiple corrugations and a lower corrugated ring 120 also with multiple corrugations.
  • These upper and lower corrugated rings 110, 120 are arranged in such a way that they touch each other at several points of contact P which are distributed around said axis X.
  • a hollow of the upper corrugated ring will come into contact with a top of the lower corrugated ring to form a contact point P.
  • it will be formed a elastic cell C, and thus a plurality of elastic cells C are distributed around the periphery of said level of elasticity N.
  • each level of elasticity comprises the same number of elastic cells C and contact points P.
  • the contact points of the elasticity level N are offset with respect to the contact points of the levels of elasticity. elasticity directly above N + 1 and directly below N-1, with a point of contact of the level of elasticity N which is arranged in the middle of two points of contact of the level of elasticity directly above N + 1 and in the middle of two points of contact of the level of elasticity directly below N-1.
  • the points of contact of a level of elasticity form the vertices of the elastic cells of the levels of elasticity directly above and below, and vice versa.
  • the upper and lower axial edges of the elastic member 100 are formed by completely flat rings 130, 140.
  • the first levels of elasticity from the top and the bottom of the elastic member 100 are not complete elasticity levels since their elastic cells C are not formed by two corrugated rings but only by a corrugated ring associated with a flat ring.
  • the elastic member 100 has six complete levels of elasticity, plus the two partial levels defined by the upper axial edges 130 and lower 140.
  • This multilevel multi-cell structure in parallel is particularly advantageous.
  • it makes it possible to produce elastic members with small dimensions. Indeed, compared to a spring Conventional spiral, the same compression force can be obtained by the elastic member of the present invention for about a footprint corresponding to 50% of the axial space.
  • the elastic member of the present invention is therefore particularly suitable for small deformation strokes, for example up to about 20 mm deformation, which are characteristic of pumps or valves used in the pharmaceutical industry.
  • the elastic member 100 of the present invention has improved characteristics of stress creep resistance, because it consists of several series of cells arranged in parallel, in contrast to the spiral springs which consist of cells or turns arranged only serial.
  • the elastic deformation is distributed substantially homogeneously or uniformly over the whole of each cell, which promotes the service life and the constancy of performance of the spring over time, eliminating the highly stressed local areas with each actuation.
  • This is further reinforced by the perfectly flat upper and lower rings, which distribute the axial deformation force uniformly over all the cells of the spring.
  • the present invention therefore applies particularly to fluid dispensing devices of the pharmaceutical field, and in particular for dispensing liquid or powder-form drugs by means of pumps, valves, powder inhalers, single dose, etc.
  • the elastic member 100 is made of synthetic material, in particular by injection or molding. This avoids in particular the risk of harmful interaction between the elastic member and the fluid to be dispensed.
  • the elastic member 100 may be made of polyoxymethylene (POM).
  • POM polyoxymethylene
  • the synthetic material can be loaded with one or a plurality of materials that enhance elasticity and / or creep resistance, such as glass fibers or carbon nanotubes.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Springs (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Claims (8)

  1. Ausgabeeinrichtung für ein fluides Produkt (10), aufweisend einen Körper (11) und manuell betätigte Ausgabemittel (20), die in dem Körper (11) zwischen einer Ruheposition und einer Ausgabeposition verschiebbar sind, wobei die Ausgabemittel (20) durch eine elastische Einrichtung (100) elastisch gegen ihre Ruheposition belastet sind, wobei die elastische Einrichtung (100) eine Vielzahl von elastischen Zellen (C) aufweist, die parallel um eine Längsachse (X) der elastischen Einrichtung (100) angeordnet sind, die eine Elastizitätsebene (N) bildet, wobei die elastische Einrichtung (100) eine Vielzahl von Elastizitätsebenen (..., N-1, N, N+1, ...) aufweist, die entlang der Längsachse (X) überlagert sind, wobei die elastische Einrichtung durch Einspritzen eines Kunststoffmaterials, wie Polyoxymethylen (POM), gebildet ist, wobei die oberen und unteren axialen Ränder der elastischen Einrichtung (100) durch flache Ringe (130, 140) gebildet sind, wobei die elastische Einrichtung (100) dadurch gekennzeichnet ist, dass eine Elastizitätsebene (N) einen oberen welligen Ring (110) mit mehreren Wellen und einen unteren welligen Ring (120) mit mehreren Wellen aufweist, die derart zueinander angeordnet sind, dass die oberen und die unteren welligen Ringe (110, 120) an mehreren Kontaktstellen (P), die um die Längsachse (X) verteilt sind, in Kontakt sind, wobei zwischen zwei Kontaktstellen (P), die an die Elastizitätsebene (N) angrenzen, eine elastische Zelle (C) definiert ist.
  2. Einrichtung nach Anspruch 1, wobei der obere wellige Ring einer Elastizitätsebene (N) den unteren welligen Ring der unmittelbar oberhalb angeordneten Elastizitätsebene (N+1) bildet und der untere wellige Ring der Elastizitätsebene (N) den oberen welligen Ring der unmittelbar unterhalb angeordneten Elastizitätsebene (N-1) bildet.
  3. Einrichtung nach Anspruch 2, wobei die Kontaktstellen einer Elastizitätsebene (N) in Bezug auf die Kontaktstellen der unmittelbar oberhalb angeordneten Elastizitätsebene (N+1) und der unmittelbar unterhalb angeordneten Elastizitätsebene (N-1) versetzt sind, wobei eine Kontaktstelle der Elastizitätsebene (N) in der Mitte von zwei Kontaktstellen der unmittelbar oberhalb angeordneten Elastizitätsebene (N+1) und in der Mitte von zwei Kontaktstellen der unmittelbar unterhalb angeordneten Elastizitätsebene (N-1) derart angeordnet ist, dass die elastischen Verformungskräfte jeder Zelle in etwa gleichmäßig über die gesamte Zelle verteilt sind.
  4. Einrichtung nach einem der vorhergehenden Ansprüche, wobei das Kunststoffmaterial mit Material versetzt ist, das die Elastizität und/oder das Kriechverhalten verstärkt, wie Glasfasern und/oder Kohlenstoffnanoröhren.
  5. Einrichtung nach einem der vorhergehenden Ansprüche, wobei das fluide Produkt ein flüssiges oder pulverförmiges Medikament ist.
  6. Einrichtung nach einem der vorhergehenden Ansprüche, wobei die Ausgabeeinrichtung eine Pumpe oder ein Ventil ist, wobei die Ausgabemittel dem Pumpenkolben oder dem Ventilelement entsprechen und die elastische Einrichtung die Spannfeder der Pumpe oder des Ventils bildet.
  7. Einrichtung nach einem der vorhergehenden Ansprüche, wobei die Ausgabeeinrichtung ein Druckluftstoß ist, wobei die Ausgabemittel dem Kolben des Luftstoßes entsprechen und wobei die elastische Einrichtung die Spannfeder des Luftstoßes bildet.
  8. Ausgabevorrichtung für ein fluides Produkt, aufweisend einen Behälter, der das fluide Produkt enthält, dadurch gekennzeichnet, dass er eine Ausgabeeinrichtung (10) nach einem der vorhergehenden Ansprüche aufweist.
EP11712613.6A 2010-02-24 2011-02-22 Ausgabevorrichtung zur ausgabe eines fluids und spender mit dieser ausgabevorrichtung Active EP2539078B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1051312A FR2956649B1 (fr) 2010-02-24 2010-02-24 Organe de distribution de produit fluide et dispositif de distribution de produit fluide comportant un tel organe.
PCT/FR2011/050360 WO2011104470A1 (fr) 2010-02-24 2011-02-22 Organe de distribution de produit fluide et dispositif de distribution de produit fluide comportant un tel organe.

Publications (2)

Publication Number Publication Date
EP2539078A1 EP2539078A1 (de) 2013-01-02
EP2539078B1 true EP2539078B1 (de) 2013-12-25

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EP11712613.6A Active EP2539078B1 (de) 2010-02-24 2011-02-22 Ausgabevorrichtung zur ausgabe eines fluids und spender mit dieser ausgabevorrichtung

Country Status (7)

Country Link
US (1) US20120325861A1 (de)
EP (1) EP2539078B1 (de)
JP (1) JP2013520308A (de)
CN (1) CN102858467A (de)
BR (1) BR112012021381A2 (de)
FR (1) FR2956649B1 (de)
WO (1) WO2011104470A1 (de)

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JP5961132B2 (ja) * 2013-03-26 2016-08-02 株式会社コナミデジタルエンタテインメント 予約管理装置のプログラム、予約管理装置の制御方法、予約管理装置、及び、予約管理システム
FR3007991B1 (fr) * 2013-07-05 2017-05-05 Aptar France Sas Dispositif de distribution de produit fluide ou pulverulent.
FR3007992B1 (fr) 2013-07-05 2018-01-26 Aptar France Sas Dispositif de distribution de produit fluide ou pulverulent.
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WO2021080156A1 (ko) * 2019-10-25 2021-04-29 펌텍코리아(주) 합성수지 탄성체가 이중으로 구비된 화장품용 펌프
KR102186036B1 (ko) * 2019-12-12 2020-12-03 (주)연우 탄성 부재 및 이를 포함하는 펌프 조립체
KR102116648B1 (ko) * 2020-01-22 2020-05-28 강민구 펌프 용기
EP4200080A1 (de) 2020-08-18 2023-06-28 Rieke Packaging Systems Limited Schraubenförmiges vollpolymer-vorspannelement und pumpenspender damit
CN111963605B (zh) * 2020-09-01 2021-12-14 江苏博发机器人智能装备有限公司 一种变刚度液态阻尼减震器
CN114151484B (zh) * 2020-09-08 2023-02-17 余姚市绿亚工具有限公司 塑料弹簧
CN112628330B (zh) * 2020-12-17 2023-06-27 余姚市彩昀化妆品包装有限公司 塑料弹簧、泵芯、乳液泵及按压式包装容器
CN113044386A (zh) * 2021-03-23 2021-06-29 宁波正德塑业有限公司 具有塑料弹簧的按压泵
CN118660765A (zh) 2021-11-19 2024-09-17 里克包装系统有限公司 用于泡沫产品的单一聚合物往复分配器
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Also Published As

Publication number Publication date
EP2539078A1 (de) 2013-01-02
US20120325861A1 (en) 2012-12-27
BR112012021381A2 (pt) 2018-01-16
FR2956649B1 (fr) 2012-08-03
WO2011104470A1 (fr) 2011-09-01
FR2956649A1 (fr) 2011-08-26
CN102858467A (zh) 2013-01-02
JP2013520308A (ja) 2013-06-06

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