EP0941147B1 - Abgabevorrichtung für ein zweikomponentiges fluid - Google Patents

Abgabevorrichtung für ein zweikomponentiges fluid Download PDF

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Publication number
EP0941147B1
EP0941147B1 EP97948984A EP97948984A EP0941147B1 EP 0941147 B1 EP0941147 B1 EP 0941147B1 EP 97948984 A EP97948984 A EP 97948984A EP 97948984 A EP97948984 A EP 97948984A EP 0941147 B1 EP0941147 B1 EP 0941147B1
Authority
EP
European Patent Office
Prior art keywords
chamber
product
tank
dispensing
piston
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
EP97948984A
Other languages
English (en)
French (fr)
Other versions
EP0941147A1 (de
Inventor
Claude-Georges Martin
Laurent Arghyris
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 EP0941147A1 publication Critical patent/EP0941147A1/de
Application granted granted Critical
Publication of EP0941147B1 publication Critical patent/EP0941147B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • 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
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside 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
    • B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping

Definitions

  • the present invention relates to a device for bicomponent type fluid distribution, i.e. allowing to distribute two different products.
  • different products is meant either products having a different composition, i.e. concentrations different from the same product.
  • the object of the present invention is to avoid aforementioned drawbacks.
  • Document DE-U-94 03 512 is known a product distribution system fluids for dispensing two different products in the same distributor.
  • the present invention also aims to provide a such a distributor of fluid products making it possible, with different means, to obtain the most effective treatment possible at the lowest cost weak possible.
  • the present invention also aims to provide a such a fluid dispensing device which avoids the risk of confusion between the two products to distribute, thereby improving security for the user.
  • the present invention therefore relates to a device for dispensing fluid products, comprising a member distribution, such as a pump, mounted on a container, and an actuator, such as a pusher, for distribute product, the device comprising two product tanks arranged so that they are emptied successively, the product contained in the second tank only distributed when the first tank is empty, the first tank being attached to the body of the dispensing member or to a support part of said body, and extends to the bottom of the container at less partially inside the second tank.
  • a member distribution such as a pump
  • an actuator such as a pusher
  • the first tank is connected to the distribution member and the second reservoir is connected said first tank through an element shutter which prevents the passage of the contained product in the second tank to the dispenser as long as the first tank contains product and which frees said passage when said first tank is empty, so that subsequent actuations of the device distribute the product contained in the second tank.
  • the first tank is connected by a side to the dispenser and has on the other side a connecting channel with the second tank, said first reservoir comprising a follower piston moving tightly in said first tank on each actuation of the device to compensate for the volume of product dispensed during each actuation, the displacement of said follower piston simultaneously sucking of the product from the second tank in the part upstream of the first reservoir located behind said piston follower in the direction of flow of the product, and said follower piston, when it reaches its end position in which the first tank is empty, cooperates with passage means for creating a passage between said upstream part of the first reservoir and the distribution, thereby distributing the product sucked into said upstream part of the first tank and / or remaining in the second tank.
  • said passage means are made in the form of one or more grooves formed at the downstream end of the side wall of the first tank.
  • said first tank is produced of a part with the body of the dispensing member or with the support piece of said body.
  • the dispenser includes a distribution member such as a pump 1 mounted on a container 2 by means, for example, of a fixing such as a ring 4 which can be snapped on, crimped or fixed by any other means on the neck of the container 2.
  • said pump can include a pusher 3 provided with an orifice dispensing 5 to dispense a dose of product.
  • the pump also includes a nozzle 7 disposed near said distribution orifice 5 for spray the product, and a protective cap 6 can be provided to protect port 5 after use of the device.
  • the device comprises two product tanks 10 and 20 placed in the container 2, each of the tanks 10 and 20 comprising a product different either by its composition or by its concentration.
  • these two product reservoirs 10 and 20 are arranged so that they are emptied successively, that is to say that the product contained in the second tank 20 is only distributed when the first tank 10 is completely empty.
  • a end of the first tank 10 is advantageously connected to pump 1, for example via a inlet valve, and said second tank 20 is connected at the other end of the first tank 10.
  • the connection between the second tank 20 and the first tank 10 is produced by means of a sealing element 30 which prevents the passage of the product contained in the second reservoir 20 towards the pump 1, of so that when the device is activated, it is the product contained in the reservoir 10 which is distributed, the product contained in the second tank 20 being confined behind said closure element 30.
  • This element shutter 30 is intended to clear the passage between the second tank 20 and pump 1 when the first tank 10 is completely empty, so that subsequent actuations of the device then distribute the product contained in the second tank 20.
  • the pump 1 operates without air intake and the shutter element 30 acts as a follower piston in the first reservoir 10, so that each time the dispenser is actuated, a dose of product contained in the first reservoir 10 is dispensed and the volume of this dispensed dose is compensated by a displacement of said follower piston 30 to inside the first tank 10.
  • the second tank 20 - being connected to the first tank 10 on the other side of said follower piston 30 when the latter moves in the first tank 10, the product contained in the second reservoir 20 is sucked upstream of said follower piston 30, in the first tank 10.
  • the follower piston 30 reaches its end position where it cooperates with the means of passage 35 allowing the product upstream of said piston follower 30 to be distributed to pump 1, so that subsequent actuations of the device distributes the product initially contained in the second reservoir 20.
  • the first tank 10 is connected directly on one side to the dispensing member 1, i.e. at the pump, and has on the other side a channel of link 15 which extends to near the bottom of the container 2, where it is connected to the second tank 20 which is formed directly in container 2.
  • the first tank 10 is made in one piece with the pump body and / or with a support part 9 of the pump body, such as shown in Figures 1 to 3.
  • This support piece 9 receives the pump body inside and rests on the neck of the container, but it is also possible to remove this support piece 9 and dispose directly the pump body on the container neck.
  • the seal between the pump body and the support part 9 is produced by radial tightening while in the embodiment shown in Figure 3, the seal between the part support 9 and the pump body is produced by means of a advantageously O-ring 8.
  • the first tank 10 is fixed to the support piece 9, for example by radial clamping of the side wall 11 in a lower end of said support piece 9.
  • the seal between the pump body and the part support 9 is also produced by means of a seal 8.
  • the follower piston 30 reaches its end position where it cooperates with the passage means 35 and the product which has been sucked in upstream of said follower piston 30 from said second tank 20 can be dispensed during actuations from the distributor.
  • the first reservoir 10 and the connecting channel 15 act like a dip tube intended to completely empty the product contained in container 2, i.e. in the second tank 20.

Landscapes

  • 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)

Claims (5)

  1. Abgabevorrichtung für fluidförmige Produkte, die ein auf einem Behälter (2) montiertes Abgabeorgan (1) wie z.B. eine Pumpe, und ein Betätigungsorgan (3), wie z.B. einen Drücker umfasst, um das Produkt abzugeben, wobei die Vorrichtung zwei Produktspeicher (10, 20) aufweist, auf die derart eingewirkt wird, dass sie nacheinander entleert werden, wobei das im zweiten Speicher (20) enthaltene Produkt nicht abgegeben wird, bevor der erste Speicher (10) leer ist, dadurch gekennzeichnet, dass der erste Speicher (10) am Körper des Abgabeorgans (1) oder an einem Tragelement (9) dieses Körpers befestigt ist und sich zumindest teilweise im Inneren des zweiten Speichers (20) bis zum Boden des Behälters erstreckt.
  2. Vorrichtung nach Anspruch 1, bei der der erste Speicher (10) mit dem Abgabeorgan (2) und der zweite Speicher (20) mit dem ersten Speicher (10) vermittels eines Verschlusselementes (30) verbunden ist, das das Hindurchtreten des im zweiten Speicher (20) enthaltenen Produkts zum Abgabeorgan (1) verhindert, so lange der erste Speicher (10) das Produkt enthält, und das diesen Durchgang freigibt, wenn der erste Speicher (10) leer ist, derart, dass weitere Betätigungen der Abgabevorrichtung das im zweiten Speicher (20) enthaltene Produkt abgeben.
  3. Vorrichtung nach Anspruch 1 oder 2, bei der der erste Speicher (10) auf der einen Seite mit dem Abgabeorgan (1) verbunden ist und auf der anderen Seite einen Verbindungskanal (15) mit dem zweiten Speicher (20) umfasst, wobei der erste Speicher (10) einen Nachlaufkolben (30) umfasst, der sich in dichter Weise in dem ersten Speicher (10) bei jeder Betätigung der Vorrichtung verschiebt, um das Volumen des bei jeder Betätigung abgegebenen Produktes zu kompensieren, wobei die Verschiebung dieses Nachlaufkolbens (30) gleichzeitig Produkt aus dem zweiten Speicher (20) in den oberhalb liegenden Teil des ersten Speichers (10) ansaugt, der in Ausstoßrichtung des Produktes hinter dem Nachlaufkolben (30) liegt, und wobei der Nachlaufkolben (30) dann, wenn er seine Extremposition einnimmt, in welcher der erste Speicher (10) leer ist, mit Durchgangseinrichtungen (35) zusammenwirkt, um einen Durchgang zwischen dem oberhalb liegenden Teil des ersten Speichers (10) und dem Abgabeorgan (1) zu erzeugen, wodurch er es ermöglicht, das in den oberhalb liegenden Teil des ersten Speichers (10) angesaugte Produkt und/oder das im zweiten Speicher (20) verbliebene Produkt abzugeben.
  4. Vorrichtung nach Anspruch 3, bei der die Durchgangseinrichtungen (35) in Form von einer oder mehreren Rillen ausgebildet sind, die am stromabwärts liegenden Ende der Seitenwand (11) des ersten Speichers (1) vorgesehen sind.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der der erste Speicher (10) einstückig mit dem Körper des Abgabeorgans (3) oder mit dem Tragelement (9) des Körpers (1) ausgebildet ist.
EP97948984A 1996-12-06 1997-12-03 Abgabevorrichtung für ein zweikomponentiges fluid Expired - Lifetime EP0941147B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9614994A FR2756811B1 (fr) 1996-12-06 1996-12-06 Dispositif de distribution de produit fluide du type bicomposant
FR9614994 1996-12-06
PCT/FR1997/002183 WO1998024556A1 (fr) 1996-12-06 1997-12-03 Dispositif de distribution de produit fluide du type bicomposant

Publications (2)

Publication Number Publication Date
EP0941147A1 EP0941147A1 (de) 1999-09-15
EP0941147B1 true EP0941147B1 (de) 2003-04-02

Family

ID=9498404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97948984A Expired - Lifetime EP0941147B1 (de) 1996-12-06 1997-12-03 Abgabevorrichtung für ein zweikomponentiges fluid

Country Status (6)

Country Link
US (1) US6221054B1 (de)
EP (1) EP0941147B1 (de)
JP (1) JP2001505482A (de)
DE (1) DE69720504T2 (de)
FR (1) FR2756811B1 (de)
WO (1) WO1998024556A1 (de)

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Also Published As

Publication number Publication date
DE69720504D1 (de) 2003-05-08
FR2756811B1 (fr) 1999-02-05
FR2756811A1 (fr) 1998-06-12
DE69720504T2 (de) 2003-12-24
US6221054B1 (en) 2001-04-24
WO1998024556A1 (fr) 1998-06-11
EP0941147A1 (de) 1999-09-15
JP2001505482A (ja) 2001-04-24

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