EP3417948B1 - Pompe moulée pour la distribution d'un produit fluidique - Google Patents

Pompe moulée pour la distribution d'un produit fluidique Download PDF

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Publication number
EP3417948B1
EP3417948B1 EP18175550.5A EP18175550A EP3417948B1 EP 3417948 B1 EP3417948 B1 EP 3417948B1 EP 18175550 A EP18175550 A EP 18175550A EP 3417948 B1 EP3417948 B1 EP 3417948B1
Authority
EP
European Patent Office
Prior art keywords
membrane
pump
pump according
cap
orifice
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
EP18175550.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3417948A1 (fr
Inventor
Emir EZZINA
Eric Rossignol
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.)
Albea Services SAS
Original Assignee
Albea Services 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 Albea Services SAS filed Critical Albea Services SAS
Publication of EP3417948A1 publication Critical patent/EP3417948A1/fr
Application granted granted Critical
Publication of EP3417948B1 publication Critical patent/EP3417948B1/fr
Active 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/027—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container inverted during outflow of content
    • 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
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1033—Pumps having a pumping chamber with a deformable wall the deformable wall, the inlet and outlet valve elements being integrally formed, e.g. moulded
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
    • 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
    • B05B11/1045—Sealing or attachment arrangements between pump and 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
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • 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
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
    • 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
    • B05B11/1097—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 with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke
    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position

Definitions

  • the invention relates to a pump for dispensing a fluidic product and to a method of manufacturing such a pump.
  • Certain cosmetic product bottles are provided with a pump configured to suck the cosmetic product contained in the container of the bottle in order to distribute it, for example by means of a nozzle or by a simple opening.
  • the product can thus be extracted or sprayed from the bottle in order to allow its application.
  • the pump is often actuated by means of a push button which the user presses to initiate operation of the pump.
  • a pump comprises in particular a metering chamber whose volume varies to allow the product to be sucked into the chamber through an inlet orifice, when the volume increases, then its expulsion outside the chamber through an outlet orifice, when the volume of the chamber decreases.
  • the product leaves the chamber in a distribution duct, which leads it to the opening or the nozzle usually arranged on the push-button.
  • pumps are known, each having particular characteristics, in order to operate specifically, either with low viscosity liquid products, or else with viscous liquid products, such as creams or foams.
  • pumps whose chamber is formed by a rigid body and a piston which closes the chamber, and whose displacement in the body reduces or increases the volume of the chamber.
  • the movement of the piston is usually controlled by actuating the push button.
  • Such a pump is often used for liquid products to be vaporized.
  • the volume of the chamber is controlled by deformation of the membrane. In the undeformed configuration of the membrane, the volume of the chamber is maximum. When the membrane is deformed, the volume of the chamber decreases, preferably to a volume small enough so that a maximum of product comes out of the chamber.
  • Such pumps also have the advantage of avoiding having to resort to a metal spring, the elements of the pump being made of plastic material.
  • These flexible diaphragm pumps are generally composed of an assembly of several parts, some of them can be molded. There are thus pumps in 2 or 3 parts requiring assembly of the post-molding components by an additional machine and / or in the mold.
  • the objective of the present invention is to provide the simplest possible pump-type metering dispensing device with a minimum of components in order to reduce production costs as well as manufacturing time.
  • the objective is to produce a ready-to-use pump directly out of the molding step, and which can be assembled subsequently on a flexible tube with the head down, as on a rigid container of a bottle. .
  • This pump consists of a single molded part.
  • the idea of this invention is to design a single component injection molded pump. There are therefore no post-molding assembly operations. A single mold makes it possible to obtain this pump and thus limits the investment costs.
  • This pump is intended to dispense a cream or a more or less fluid liquid. It does not contain any metal parts such as a spring or a ball. This pump has a shape that can be integrated on different supports such as tube, bottle, flask, etc.
  • This single molded part consists of two parts, respectively a body and a cap, connected by a hinge-film type articulation.
  • the mold therefore provides a location for the body, a location for the cap, and an intermediate zone for the film hinge connecting the body and the cap.
  • the pump is opened.
  • the cap is folded over the body by folding the film hinge.
  • the closed pump can be ejected from the mold. It is ready to use.
  • the invention is characterized mainly in that the cap comprises a control rod extending orthogonally along the X axis from the membrane in the direction of the body when the cap is positioned on the body.
  • This method according to claim 13 thus makes it possible to close the part before it is completely ejected from the mold. Once the part is ejected, there is no further assembly step.
  • the pump is ready for use.
  • the invention relates to a pump that is molded in one piece, as shown in the figure. figure 1 for example.
  • This part is broken down into a first part, namely a body 1, and a second part, namely a cap 2, the body 1 and the cap 2 being connected by a film hinge 3. All these elements are obtained in a one and only mold.
  • the pump is open, which means that the cap 2 is deployed relative to the body 1.
  • the cap 2 is folded over the body 1 by folding the film hinge 3 so as to close the pump. The pump thus closed can be removed from the mold.
  • the cap 2 constitutes the upper part of the pump, and the body 1 constitutes the lower part of the pump.
  • Cap 2 has a push button that the user can press to activate the pump. A dose of product then exits via a nozzle 12, when the pump is mounted on a container filled with product to be dispensed.
  • the push button consists of a deformable membrane 4 on which the user can press.
  • This membrane 4 partly defines a metering chamber 21 containing a dose of product to be delivered.
  • the pump operates by varying the volume of this metering chamber 21 by elastic deformation of the membrane between an initial state shown in the figures 4, 5 , 9 , 11, 14 in which the chamber 21 has a maximum volume and a deformed state shown in the figures 7, 8 , 12 in which the volume of the chamber 21 is minimal, resulting in the expulsion of the dose of product through the nozzle 12.
  • the membrane 4 has a central X axis of symmetry.
  • a control rod 5 extends orthogonally from the membrane 4, along the X axis, and in the direction of the body 1 when the cap 2 is positioned on the body 1.
  • the control rod 5 s' extends from the inner surface of the membrane 4, while the outer surface of the membrane 4 serves as a bearing surface for the user. The function of this control rod 5 will be explained later in the description.
  • the body 1 consists of a part of revolution, having a peripheral wall 9, serving as a rigid structure.
  • the lower part of the peripheral wall 9 is intended to be placed on a container.
  • a circumferential bulge 17 is made on the inner surface of the peripheral wall 9. This bulge 17 allows for example an elastic fitting of the pump on the container.
  • the peripheral wall 9 of the body 1 defines an upper opening closed at least in part by a support 7. This support 7 and the membrane 4 together define the metering chamber 21.
  • This support 7 is carried by a deformable frustoconical zone 6.
  • This frustoconical zone 6 surrounds the support 7.
  • a hole 8 is made in the center of this support 7 for the passage of the control rod 5.
  • a chimney 10 directed towards the interior of the body 1 increases the depth of the hole 8 and thus makes it possible to better guide the control rod 5 in rectilinear translation.
  • the free end of the control rod 5 is provided with a stop 11 adapted to come into contact with the free end of the chimney 10 so as to limit the translational movement of the control rod 5. The latter is mounted. slightly tight in the chimney 10.
  • the support 7 consists of a flat circular plate, projecting from a disc 23 via the frustoconical zone 6.
  • the disc 23 completely closes the upper opening delimited by the peripheral wall 9 of the body 1.
  • the membrane 4 when to it consists of a dome in the initial state, the top of which is directed towards the outside of the pump. When the user presses on the dome, the latter is deformed so as to form a bowl, the bottom of which comes into contact with the support 7.
  • the cap 2 comprises a flat upper surface 20 from which protrudes the. dome. This dome is off-center with respect to the central axis of the upper surface 20.
  • the support 7 consists of a bowl directed towards the inside of the body 1.
  • the bowl in itself completely closes the upper opening delimited by the peripheral wall 9 of the body 1.
  • the membrane 4 in turn consists of a flat disc in the initial state. When the user presses on the disc, the latter deforms so as to form a bowl which approaches the support 7. In this embodiment, the membrane 4 forms the entire upper surface of the cap 2.
  • the disc 23 of the body 1 has a recess 16, the intake orifice 14 being made in one of the walls of this recess 16.
  • the tongue 15 enters this recess 16 and comes into contact. on the wall in which the orifice 14 is located, so as to cover it.
  • the inlet port 14 is made directly in the support 7.
  • the tongues 15a, 15b have different lengths so as to adapt to the location of the intake openings 14a, 14b on the support 7.
  • the frustoconical zone 6 elastically closes the exhaust port 13, in an initial state where the support 7 is raised.
  • the frustoconical zone 6 is deformed and opens the exhaust port 13.
  • the upper part of the peripheral wall 9 of the body 1 has a shoulder 18 on which is positioned a peripheral wall 19 of the cap 2.
  • a circumferential groove is made in the upper end of the peripheral wall. 9 of the body 1, and accommodates a circumferential bead provided for this purpose in the peripheral wall 19 of the cap 2, so as to ensure an elastic fit between the body 1 and the cap 2. This interlocking also makes it possible to ensure the seal between the body 1 and the cap 2.
  • the cap 2 has a rigid annular rim 22 surrounding the flat membrane 4 so as to prevent any accidental actuation of the pump by pressing on a peripheral zone of said flat membrane 4.
  • the membrane 4 does not project relative to the plane formed by the rigid rim, unlike the first embodiment, the support is exerted on the rigid edges 22 when the bottle is placed upside down on a support. The support cannot therefore cause accidental actuation of the pump in this position.
  • This rim 22 thus consists of a geometric protection against the uncontrolled actuation of the pump. It is preferably made of polypropylene.
  • the various elements constituting the pump are either flexible or rigid.
  • the membrane 4, the frustoconical zone 6, the film hinge 3, the tongues 15, 15a, 15b are made of a flexible and elastic material, of the thermoplastic elastomer (TPE) type.
  • the other elements are made of a rigid material.
  • the pump is therefore molded by bi-injection of a flexible material and a rigid material in the same and unique mold to form the single part.
  • the pump is in rest position.
  • the pump is sealed, the cap 2 being fitted onto the body 1.
  • the membrane 4 is in its initial state, in the form of a dome and the rod 5 is in the raised position.
  • the elastic reaction of the prestressed dome 4 tends to pull on the control rod 5.
  • the stop 11 of the control rod 5 is in contact with the chimney 10 and tends to lift the support 7 as well as the frustoconical zone 6. This frustoconical zone 6 then obstructs the exhaust port 13.
  • the intake port 14 is closed by the tongue 15.
  • the metering chamber 21 is filled with a dose of product to be dispensed.
  • the pressure inside the chamber 21 is identical to the pressure outside the chamber, and the tongue 15 is pressed against the seat of the inlet port 14 by a simple elastic effect. The closure of the intake valve is thus sealed.
  • the pump has returned to its idle state.
  • the elastic reaction of the prestressed dome 4 during assembly of the system allows the frustoconical zone 6 to be placed on the exhaust port 13.
  • the metering chamber 21 is therefore hermetically closed.
  • the vacuum having fallen, the tongue 15 of the inlet valve, by virtue of the intrinsic elasticity of the flexible material in which it is designed, is placed back on the inlet port 14. The next dose is ready to be delivered.
  • the pump operates in a manner similar to what is described above, except that the membrane 4 is planar in its initial prestressed state, and that it takes the shape of a bowl when a pressure is exerted on it.

Landscapes

  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP18175550.5A 2017-06-22 2018-06-01 Pompe moulée pour la distribution d'un produit fluidique Active EP3417948B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1755731A FR3067952B1 (fr) 2017-06-22 2017-06-22 Pompe moulee pour la distribution d'un produit fluidique

Publications (2)

Publication Number Publication Date
EP3417948A1 EP3417948A1 (fr) 2018-12-26
EP3417948B1 true EP3417948B1 (fr) 2021-08-04

Family

ID=59521116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18175550.5A Active EP3417948B1 (fr) 2017-06-22 2018-06-01 Pompe moulée pour la distribution d'un produit fluidique

Country Status (5)

Country Link
US (1) US10525492B2 (pt)
EP (1) EP3417948B1 (pt)
CN (1) CN109205065B (pt)
BR (1) BR102018012895A8 (pt)
FR (1) FR3067952B1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112849726B (zh) * 2019-11-12 2024-06-21 丁要武 囊式输送泵
EP4380733A1 (fr) * 2021-01-18 2024-06-12 GB Developpement Distributeur de fluide muni de moyens d'amorcage
EP4323125A1 (de) * 2021-04-12 2024-02-21 Liqix Technologies GmbH Dosiervorrichtung, behälter, produktspender und system

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US3486663A (en) * 1967-11-16 1969-12-30 Frederick Harold Humphrey Elastomeric pump and check-valve
US3726442A (en) * 1971-02-17 1973-04-10 Polypump Curacao Nv Trigger pump and breather valve dispensing assembly
US3753518A (en) * 1971-05-07 1973-08-21 L Kutik Pump with floating valve element
US3820689A (en) * 1972-04-21 1974-06-28 A Cocita Elastomeric pump
DE3571961D1 (en) * 1984-12-07 1989-09-07 Simone Morel Obturating device for tubes, flasks and other containers, the opening and closing of which are controlled by rotation
DE69024668T2 (de) * 1989-07-25 1996-09-12 L'oreal, Paris Abgabevorrichtung für wenigstens ein flüssiges Produkt, insbesondere kosmetischer oder pharmazeutischer Art
FR2679620B1 (fr) * 1991-07-25 1993-10-29 Oreal Valve reglable.
FR2711555B1 (fr) * 1993-10-22 1996-01-26 Oreal Ensemble de distribution à chambre de compression à volume variable à membrane.
CA2513562A1 (en) * 2003-02-18 2004-09-02 Incro Limited Dual chamber dispenser pump
WO2004080607A1 (en) * 2003-03-12 2004-09-23 Incro Limited Improvements in or relating to dispenser nozzles
ES2223308B1 (es) * 2004-10-20 2005-11-01 Saint-Gobain Calmar, S.A. Bomba dosificadora simplificada.
CN101583542B (zh) * 2006-09-08 2013-07-10 因斯蒂尔医学技术有限公司 用于分配流体的装置和方法
DE202008010214U1 (de) * 2007-08-22 2008-12-11 Seaquist Perfect Dispensing Gmbh Abgabevorrichtung
WO2009141510A1 (fr) * 2008-05-20 2009-11-26 Sannier Gerard Distributeur de gel
US20090302064A1 (en) * 2008-06-10 2009-12-10 Marcel Lavabre Elastomeric dispensing pump that can be made with as few as two components
NL2004211C2 (en) * 2010-02-08 2011-08-09 Vacu Vin Innovations Ltd Dispensing assembly.
CN103010569B (zh) * 2012-11-14 2014-12-24 钟竞铮 按压式弹性囊泵
DE102014204831B4 (de) * 2014-03-14 2020-06-18 Aptar Radolfzell Gmbh Austragkopf für einen Spender, Spender mit Austragkopfund Verfahren zur Herstellung eines Austragkopfes
CN105083730B (zh) * 2015-06-26 2017-07-14 钟竞铮 弹性囊泡沫泵

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Title
None *

Also Published As

Publication number Publication date
EP3417948A1 (fr) 2018-12-26
FR3067952A1 (fr) 2018-12-28
BR102018012895A8 (pt) 2022-12-20
US10525492B2 (en) 2020-01-07
FR3067952B1 (fr) 2020-10-09
BR102018012895A2 (pt) 2019-03-12
US20180369843A1 (en) 2018-12-27
CN109205065A (zh) 2019-01-15
CN109205065B (zh) 2021-10-08

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