EP1633657B1 - Dosierventil zur abgabe eines flüssigen produktes - Google Patents

Dosierventil zur abgabe eines flüssigen produktes Download PDF

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Publication number
EP1633657B1
EP1633657B1 EP04742690A EP04742690A EP1633657B1 EP 1633657 B1 EP1633657 B1 EP 1633657B1 EP 04742690 A EP04742690 A EP 04742690A EP 04742690 A EP04742690 A EP 04742690A EP 1633657 B1 EP1633657 B1 EP 1633657B1
Authority
EP
European Patent Office
Prior art keywords
valve
chamber
metering
metering chamber
rest position
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
EP04742690A
Other languages
English (en)
French (fr)
Other versions
EP1633657A1 (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
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 EP1633657A1 publication Critical patent/EP1633657A1/de
Application granted granted Critical
Publication of EP1633657B1 publication Critical patent/EP1633657B1/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
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/52—Valves specially adapted therefor; Regulating devices for metering
    • B65D83/54—Metering valves ; Metering valve assemblies

Definitions

  • the present invention relates to a metering valve and a fluid dispenser device comprising such a valve.
  • Metering valves are well known in the state of the art, in particular for dispensing fluid, liquid or powdery products.
  • the product is generally associated with a propellant and the actuation of the valve allows the dispensing of a dose of product by means of said propellant.
  • the metering valves generally comprise a valve body defining a metering chamber, the valve sliding in said metering chamber between a rest position and a dispensing position. In the rest position of the valve, the latter is not connected with inside the metering chamber, and the metering chamber is connected with the reservoir so that it can be filled, generally by gravity, with the fluid and the propellant, to define the dose of product to be dispensed when next operation.
  • valve When the valve is actuated, the valve is depressed into the valve body, and the passage between the metering chamber and the reservoir is closed. Then, when the valve reaches its dispensing position, the dosing chamber is connected to the dispensing orifice of the valve, allowing the dose of product contained in the dosing chamber to be expelled through the dispensing orifice. distribution of the valve.
  • the user releases its pressure on the valve, it is automatically returned to its rest position by a return spring, and during this operation, the metering chamber fills again with the fluid and the propellant, generally by gravity when the valve is a valve used in the inverted position, that is to say with the valve disposed under the reservoir.
  • the metering chamber is therefore at the same pressure as the reservoir in the rest position of the valve, since it is connected directly therewith.
  • the valve generally comprises internal channels of complex shapes, for example in the form of a siphon, but because of the pressure existing in the chamber dosing, the maintenance of the dose, and therefore the precision of the dosage are not absolutely guaranteed.
  • the return spring of the valve is disposed in the body of the valve, generally at the passage connecting the metering chamber or reservoir.
  • the spring is in contact with the fluid and the propellant. Depending on the material of the spring (usually metal) and the nature of the fluid product, this may cause an alteration of said fluid product.
  • the present invention aims to provide a metering valve that does not reproduce the aforementioned drawbacks.
  • the object of the present invention is to provide a metering valve which guarantees an absolute dosing precision with each actuation of the valve, as well as a total dose reproducibility at each actuation.
  • the present invention also aims to provide such a metering valve in which the accuracy of the dosage and the reproducibility of the dose is independent of the duration of the storage time of the valve between two actuations.
  • the present invention also aims to provide such a valve avoiding any risk of alteration of the fluid, including in case of prolonged storage.
  • the present invention also aims to provide such a metering valve that is simple and inexpensive to manufacture and assemble, and reliable use.
  • the subject of the present invention is therefore a fluid dispensing metering valve comprising a valve body and a valve sliding relative to said valve body between a rest position and a dispensing position, said valve comprising a metering chamber intended to to contain the dose of product expelled at each actuation, arranged in such a way that rest position of the valve, said metering chamber is at atmospheric pressure, characterized in that the valve comprises a filling chamber connected on the one hand to a fluid reservoir and on the other hand to said metering chamber, the passage between the metering chamber and the filling chamber being closed in the rest position and in the dispensing position of the valve, said passage being open when the valve moves between its resting and dispensing positions.
  • said filling chamber is connected to said fluid reservoir in the rest position of the valve, the passage between the filling chamber and the reservoir being closed when the valve is not in the rest position.
  • the metering chamber fills when the valve moves from its rest position to its dispensing position.
  • said valve comprises a connecting channel comprising an inlet and an outlet offset axially with respect to said inlet, said connecting channel being entirely in the dosing chamber in the rest position, entirely in the filling chamber in the dispensing position, and connecting said metering chamber to said filling chamber when the valve is between its resting and dispensing positions, said inlet then being disposed in the filling chamber and said outlet being disposed in said metering chamber.
  • the product contained in the metering chamber is expelled when the valve arrives in its dispensing position.
  • a spring urges the valve towards its rest position, said spring being disposed out of contact with said fluid product.
  • the valve body comprises a spring chamber isolated from any contact with the fluid, the valve passing through said spring chamber, the spring being disposed in said spring chamber around said valve.
  • the valve comprises a central expulsion channel connecting the dispensing orifice of the valve to an opening opening in the metering chamber in dispensing position of the valve, said opening being isolated from said metering chamber when the valve is not in distribution position.
  • the valve body comprises a spring chamber, a metering chamber, and a filling chamber, the spring chamber being separated from the metering chamber by a first transverse wall, the metering chamber being separated from the metering chamber. filling by a second transverse wall, and the filler chamber being separated from the reservoir by a third transverse wall, said valve sliding through said spring chambers, metering and filling between its resting and filling positions, passing through sealing said first, second and third transverse walls.
  • the present invention also relates to a fluid dispenser device comprising a metering valve as described above.
  • a metering valve comprising a valve body 10.
  • This valve is assembled on a reservoir (not shown), which contains fluid, for example liquid or powder, generally associated with propellant gas intended for allow the distribution of the product to through said valve.
  • the valve body 10 can be assembled on said reservoir (not shown) by means of a fixing ring or capsule, in particular a crimping capsule 5, preferably with a valve seal 6 interposed between the valve body 10 and said crimping capsule 5, and a neck seal (not shown), between the neck of the reservoir (not shown), and said crimping capsule 5.
  • the valve body 10 has a thicker end edge 7 intended to be fixed in said crimping capsule 5.
  • valve body 10 may be associated with a filling ring (not shown) intended to at least partially fill the dead volume between the neck of the reservoir and the crimping capsule 5, and / or to limit the contact between the product t fluid and the valve seal 6.
  • the valve body 10 comprises a metering chamber 11 intended to contain a dose of fluid, this dose of product being dispensed with each actuation of the valve.
  • this metering chamber 11 is at atmospheric pressure, when the valve is in the rest position.
  • the metering chamber 11 is isolated from the fluid reservoir in the rest position of the valve, so that no overpressure is exerted on the seals defining said metering chamber 11 during storage, and so that there is no risk that the dose of product is decreased because of prolonged storage, since during this storage, the metering chamber 11 is empty and contains no fluid.
  • the metering chamber 11 fills only when the valve 20, which slides in the valve body 10, is moved from its rest position (shown in FIG. figure 1 ) to its dispensing position (shown on the figure 3 ).
  • the filling of the metering chamber 11 is between said resting and filling positions, in the intermediate position shown in FIG. figure 2 .
  • the valve 20 comprises a connecting channel 15 forming a passage between the metering chamber 11 and a filling chamber 12 provided in the valve body 10.
  • This connecting channel is closed in the rest position of the valve, in which it is arranged entirely in the metering chamber 11.
  • this channel 15 is closed in dispensing position of the valve, in which it is arranged entirely in the filling chamber 12.
  • this connecting channel 15 connects the filling chamber 12 to the metering chamber 11.
  • this connecting channel 15 may comprise an inlet 15a and an outlet 15b, said inlet 15a being disposed in the chamber of filling 12 and said outlet 15b being disposed in the metering chamber 11, in said intermediate position of the valve.
  • the filling chamber 12 is connected to the reservoir (not shown) in the rest position of the valve.
  • the valve 20 is actuated and is thus moved axially inside the valve body, the passage 16 between the filling chamber 12 and the reservoir is closed, thus isolating said filling chamber 12 from said tank.
  • the volume of the filling chamber 12 corresponds to the volume of the metering chamber 11, so that when the valve passes into the intermediate position, the entire filling chamber 12 is emptied into the metering chamber 11, through the connecting channel 15.
  • the valve 20 comprises an axial expulsion channel 21 opening into a dispensing orifice 22, said expulsion channel 21 having an inlet orifice 23.
  • This inlet orifice 23, which is generally radial, is provided for open into the metering chamber 11 in dispensing position of the valve. This means that the dose of product contained in the metering chamber 11 is expelled through the valve 20 when it arrives in distribution position, which is represented on the figure 3 , and which corresponds to the depressed position of the valve 20 inside the valve body 10.
  • the connecting channel 15 returns to the intermediate position in which it connects the filling chamber 12 to the metering chamber 11.
  • the filling chamber 12 is empty and is isolated from the reservoir, as is the metering chamber 11, so that this passage causes no change in the state of these two chambers, and in particular does not fill the metering chamber 11.
  • the metering chamber 11 is always at atmospheric pressure, as after dose distribution during the previous actuation.
  • the metering chamber 11 is therefore at atmospheric pressure in the rest position of the valve.
  • the filling chamber 12 is again connected to the tank (not shown) through the passage 16, which allows filling of this filling chamber 12, in particular by gravity when the valve is used in the inverted position.
  • the valve body 10 also comprises a spring chamber 13 in which is disposed the spring 25 which urges the valve 20 towards its rest position.
  • this spring 25 is disposed out of contact with the fluid, as shown in the figures.
  • the spring chamber 13 is disposed in the valve body 10 being sealed from the metering chamber 11, the valve sealingly sliding in said spring chamber 13, and the spring 25 being arranged around said valve 20 in this spring chamber 13.
  • the spring chamber 13 is separated from the metering chamber 11 by a first transverse wall 31, preferably associated with a seal against which slides said valve 20 tightly.
  • said metering chamber 11 is sealed from the filling chamber 12 by a second transverse wall 32, also preferably associated with a seal against which said valve 20 slides waterproof.
  • the filling chamber 12 can also be advantageously separated from the reservoir (not shown) by a third transverse wall 33, also preferably associated with a seal against which said valve 20 slides in a sealed manner.
  • a third transverse wall 33 also preferably associated with a seal against which said valve 20 slides in a sealed manner.
  • the only connection between the reservoir and the filling chamber 12 is formed by the passage 16, which is closed as soon as the valve 20 is no longer in the rest position.
  • the only connection between the filling chamber 12 and the metering chamber 11 is achieved by means of the connecting channel 15, this connecting channel being open only in the intermediate position between the resting and dispensing positions of the valve 20.
  • the metering chamber 13 is never connected to the metering chamber 11, the filling chamber 12, or the reservoir, so that the spring 25 is completely isolated from any contact with the fluid. .
  • This implementation is particularly advantageous, in that it guarantees firstly that the metering chamber 11 is at atmospheric pressure in the rest position of the valve, which is particularly advantageous especially when the operating times between two actuations of the valve are relatively long, and secondly that the spring 25 is never in contact with the fluid, which avoids any risk of damage to the product due to contact with the spring, usually made of metal .
  • the spring could also be arranged in the lower part of the valve body, for example in the filling chamber, to limit the number of joints. In this case, however, it would be in contact with the fluid product.
  • the present invention therefore makes it possible to provide a particularly reliable metering valve, which guarantees perfect and total reproducibility of the dose at each actuation, while being of simple construction and reliable operation.

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)
  • Sliding Valves (AREA)

Claims (10)

  1. Dosierventil für die Abgabe eines fluidförmigen Produktes, das einen Ventilkörper (10) und ein Ventilelement (20) umfasst, das bezüglich des Ventilkörpers (10) zwischen einer Ruhelage und einer Abgabestellung gleitet, wobei das Ventil eine Dosierkammer (11) aufweist, die dazu bestimmt ist, die Dosis des Produktes zu enthalten, die bei jeder Betätigung ausgestoßen wird, und wobei die Anordnung in der Weise getroffen ist, dass die Dosierkammer (11) in der Ruhelage des Ventils unter atmosphärischen Druck steht,
    dadurch gekennzeichnet,
    dass das Ventil eine Nachfüllkammer (12) umfasst, die einerseits mit einem Behälter für das fluidförmige Produkt und andererseits mit der Dosierkammer (11) verbunden ist, wobei der Durchgang (15) zwischen der Dosierkammer (11) und der Nachfüllkammer (12) in der Ruhelage und in der Abgabestellung des Ventils geschlossen ist, so dass dieser Durchgang nur offen ist, während sich das Ventilelement (20) zwischen seinen Ruhe- und Abgabestellungen verschiebt.
  2. Ventil nach Anspruch 1, bei dem die Nachfüllkammer (12) mit dem Behälter für das fluidförmige Produkt in der Ruhelage des Ventils verbunden ist, wobei der Durchgang (16) zwischen der Nachfüllkammer (12) und dem Behälter geschlossen ist, wenn sich das Ventil nicht in seiner Ruhestellung befindet.
  3. Ventil nach Anspruch 1 oder 2, bei dem die Dosierkammer (11) sich dann füllt, wenn sich das Ventilelement (20) aus seiner Ruhelage zu seiner Abgabestellung hin verschiebt.
  4. Ventil nach einem der vorhergehenden Ansprüche, bei dem das Ventilelement (20) einen Verbindungskanal (15) umfasst, der einen Eingang (15a) und einen Ausgang (15b) aufweist, der bezüglich des Eingangs (15a) axial versetzt ist, wobei sich der Verbindungskanal (15) in der Ruhestellung vollständig innerhalb der Dosierkammer (11) und in der Abgabestellung vollständig in der Nachfüllkammer (12) befindet, und die Dosierkammer (11) mit der Nachfüllkammer (12) verbindet, während sich das Ventilelement (20) zwischen seiner Ruhe- und seiner Abgabestellung befindet, wobei dann der Eingang (15a) in der Nachfüllkammer (12) und der Ausgang (15b) in der Dosierkammer (11) angeordnet ist.
  5. Ventil nach einem der vorhergehenden Ansprüche, bei dem das in der Dosierkammer (11) enthaltene Produkt ausgestoßen wird, wenn das Ventilelement (20) in seiner Abgabestellung ankommt.
  6. Ventil nach einem der vorhergehenden Ansprüche, bei dem eine Feder (25) das Ventilelement (20) zu seiner Ruhelage hin vorspannt, wobei die Feder (25) so angeordnet ist, dass sie mit dem fluidförmigen Produkt in keinerlei Berührung kommt.
  7. Ventil nach Anspruch 6, bei dem der Ventilkörper (10) eine Federkammer (13) umfasst, die gegen jegliche Berührung mit dem fluidförmigen Produkt isoliert ist, wobei das Ventilelement (20) sich durch diese Federkammer (13) hindurch erstreckt und die Feder (25) in dieser Federkammer (13) um das Ventilelement (20) herum angeordnet ist.
  8. Ventil nach einem der vorhergehenden Ansprüche, bei dem das Ventilelement (20) einen zentralen Ausstoßkanal (21) aufweist, der die Abgabeöffnung (22) des Ventilelementes (20) mit einer Öffnung (23) verbindet, die in der Abgabestellung des Ventilelementes (20) in die Dosierkammer (11) mündet, wobei die Öffnung (23) von der Dosierkammer (11) isoliert ist, wenn sich das Ventilelement (20) nicht in seiner Abgabestellung befindet.
  9. Ventil nach einem der vorhergehenden Ansprüche, bei dem der Ventilkörper (10) eine Federkammer (13), eine Dosierkammer (11) und eine Nachfüllkammer (12) umfasst, wobei durch eine erste quer verlaufenden Wand (31) die Federkammer (13) von der Dosierkammer (11) getrennt ist, durch eine zweite quer verlaufende Wand (32) die Dosierkammer (11) von der Nachfüllkammer (12) getrennt ist und durch eine dritte quer verlaufende Wand (33) die Nachfüllkammer (12) vom Behälter getrennt ist, wobei das Ventilelement (20) durch die Federkammer (13), die Dosierkammer (11) und die Nachfüllkammer (12) hindurch zwischen seinen Ruhe- und seiner Auffüllstellung gleitet und dabei in dichter Weise sich durch die erste, zweite und dritte quer verlaufende Wand (31, 32, 33) hindurch erstreckt.
  10. Abgabevorrichtung für ein fluidförmiges Produkt, dadurch gekennzeichnet, dass sie ein Dosierventil nach einem der vorhergehenden Ansprüche umfasst.
EP04742690A 2003-05-15 2004-05-10 Dosierventil zur abgabe eines flüssigen produktes Expired - Lifetime EP1633657B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0305857A FR2854877B1 (fr) 2003-05-15 2003-05-15 Valve doseuse de distribution de produit fluide.
PCT/FR2004/001134 WO2004101394A1 (fr) 2003-05-15 2004-05-10 Valve doseuse de distribution de produit fluide

Publications (2)

Publication Number Publication Date
EP1633657A1 EP1633657A1 (de) 2006-03-15
EP1633657B1 true EP1633657B1 (de) 2008-08-20

Family

ID=33306385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04742690A Expired - Lifetime EP1633657B1 (de) 2003-05-15 2004-05-10 Dosierventil zur abgabe eines flüssigen produktes

Country Status (7)

Country Link
US (1) US7040513B2 (de)
EP (1) EP1633657B1 (de)
JP (1) JP4557980B2 (de)
CN (1) CN100564192C (de)
DE (1) DE602004015979D1 (de)
FR (1) FR2854877B1 (de)
WO (1) WO2004101394A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502007002344D1 (de) * 2007-06-08 2010-01-28 Mettler Toledo Ag Dosiervorrichtung für pulver- oder pastenförmige Substanzen
US20100236547A1 (en) * 2008-07-11 2010-09-23 Robert Owen Cook Container for aerosol drug delivery
FR2948645B1 (fr) * 2009-07-30 2015-06-26 Valois Sas Valve de distribution de produit fluide
GB0917731D0 (en) * 2009-10-09 2009-11-25 Univ Salford Liquid dispensing apparatus
FR2968283B1 (fr) * 2010-12-03 2013-01-04 Valois Sas Valve de distribution de produit fluide.
US20120168460A1 (en) * 2010-12-30 2012-07-05 Boris Tolstykh Reusable dispensing valve for pressurized canisters
CN104627503B (zh) * 2014-08-07 2017-12-22 中山华方包装有限公司 取量装置及采用该取量装置的药瓶、奶瓶
CA3062953A1 (en) * 2016-04-27 2017-11-02 Innovation Cooperative 3D, Llc Adjustable dosing fluid dispenser for flexible fluid packages
CN112534219B (zh) * 2018-05-29 2023-01-03 巴斯夫涂料有限公司 包括用于气动计量供给的阀头的容器以及包括这种容器的计量供给设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980301A (en) * 1958-09-02 1961-04-18 Riker Laboratories Inc Metering valve for aerosol container
US3176890A (en) * 1961-08-14 1965-04-06 Potapenko Gennady Pressurized dispenser with integral container seal
US3269615A (en) * 1964-05-27 1966-08-30 Jr Royal T Ferry Aerosol container with metering valve
GB1201918A (en) * 1966-12-21 1970-08-12 Bespak Industries Ltd Improvements in or relating to valves for pressurised dispensers
US3547317A (en) * 1968-07-15 1970-12-15 Green Edward Valve assembly for dispensing metered amounts of pressurized product
US4506803A (en) * 1982-08-09 1985-03-26 Hoffmann-La Roche Inc. Metered aerosol dispenser and method of using the dispenser

Also Published As

Publication number Publication date
US7040513B2 (en) 2006-05-09
EP1633657A1 (de) 2006-03-15
DE602004015979D1 (de) 2008-10-02
FR2854877B1 (fr) 2007-04-20
JP4557980B2 (ja) 2010-10-06
JP2007533920A (ja) 2007-11-22
WO2004101394A1 (fr) 2004-11-25
CN100564192C (zh) 2009-12-02
US20040226970A1 (en) 2004-11-18
FR2854877A1 (fr) 2004-11-19
CN1791537A (zh) 2006-06-21

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