EP3433184A1 - Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve - Google Patents
Valve doseuse et dispositif de distribution de produit fluide comportant une telle valveInfo
- Publication number
- EP3433184A1 EP3433184A1 EP17720539.0A EP17720539A EP3433184A1 EP 3433184 A1 EP3433184 A1 EP 3433184A1 EP 17720539 A EP17720539 A EP 17720539A EP 3433184 A1 EP3433184 A1 EP 3433184A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- flange
- valve body
- chamber
- metering
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000012263 liquid product Substances 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- Dosing valve and fluid dispenser device comprising such a valve
- the present invention relates to a metering valve and a fluid dispenser device comprising such a valve.
- metering valves in which each actuation of the valve, a precise dose of fluid is dispensed, are well known in the state of the art, and are generally assembled on a reservoir containing the fluid and a propellant used to achieve the expulsion of the dose.
- the so-called retention valves comprise a valve which, in the rest position, partially closes the metering chamber. More specifically, the outside of the valve cooperates sealingly with the chamber seal of the metering chamber, so that the metering chamber is connected to the reservoir, in this rest position, only via the internal channel of the valve.
- non-priming valves or ACT valves fill up just before the actual actuation.
- the present invention aims to improve the metering valves of the retention type.
- the present invention is intended in particular to provide a metering valve that is simple and inexpensive to manufacture and assemble, and reliable operation.
- the present invention also aims to provide a metering valve ensuring a good operating reliability of said valve.
- the subject of the present invention is therefore a metering valve for fluid dispensing, comprising a valve body containing a metering chamber, a valve sliding axially in said valve body between a rest position and a dispensing position, for selectively dispensing the contents of said metering chamber, said valve having a collar and being biased towards its rest position by a spring cooperating on the one hand with said valve body and on the other hand with said valve, said valve body comprising a part cylindrical valve body in which said flange of said valve slides between its resting and dispensing positions, said cylindrical portion of valve body having a plurality of longitudinal ribs extending at least a portion of the height of said cylindrical portion valve body, said longitudinal ribs projecting radially inwards and acting impuls on said flange of said valve to substantially center said flange in said cylindrical portion of valve body.
- said cylindrical portion of the valve body comprises at least three, advantageously six, longitudinal ribs.
- each longitudinal rib has a rounded shape to minimize the areas of contact with said flange.
- said valve comprising an internal channel for filling said metering chamber after each actuation of the metering valve, said cylindrical portion of valve body containing a second chamber defined between said collar and said metering chamber, said second chamber being in the position of rest connected to said metering chamber via said internal channel.
- the difference between the internal diameter of said cylindrical portion of the valve body and the external diameter of said collar is less than 0.2 mm, preferably less than 0.15 mm, so that in the rest position of the valve, the fluid product contained in said second chamber is substantially retained in said second chamber, said longitudinal ribs having a radial dimension d2 less than
- 0.1 mm preferably less than 0.09 mm, advantageously about 0.07 mm, such that the radial peripheral deviation between said flange and said longitudinal ribs is less than 0.06 mm, advantageously less than 0, 02 mm.
- said difference in diameters is greater than
- said longitudinal ribs have a decreasing radial dimension, with a maximum radial dimension d2 at the rest position of said flange, and a minimum radial dimension at the dispensing position of said flange.
- the present invention also relates to a fluid dispensing device comprising a metering valve as defined above fixed on a reservoir.
- FIG. 1 is a diagrammatic cross-sectional view of a dispensing valve in the rest position of the valve, in the right storage position of the valve,
- FIG. 2 is a detailed view of the valve body, according to an advantageous embodiment of the invention.
- FIG. 3 is a detail view in cross section along the sectional plane A-A of FIG. 1 of a valve body according to the embodiment of FIG. 2.
- the retention type dosing valve shown in FIG. 1 comprises a valve body 10 extending along a longitudinal axis B. Inside said valve body 10, a valve 30 slides between a rest position, which is the one shown in FIG. 1, and a dispensing position, in which the valve 30 is pushed inside the valve body 10.
- This valve is intended to be assembled on a reservoir 1, preferably by means of a fixing element 5, which may be a crimp, screw-in or snap-on cap, and advantageously with the interposition of a neck seal 6.
- a ring 4 can be assembled around the valve body, in particular to reduce the dead volume in the inverted position and to limit the contact of the fluid with the neck seal.
- This ring may be of any shape, and the example of Figure 1 is not limiting.
- the valve 30 is urged towards its rest position by a spring
- dosage 20 is defined within the valve body 10, said valve 30 sliding within said metering chamber to permit dispensing of the contents thereof when the valve is actuated.
- the metering chamber is preferably defined between two annular seals, a valve seal 21 and a chamber seal 22, as is well known.
- FIG. 1 shows the valve in the upright storage position, that is to say the position in which the metering chamber 20 is disposed above the tank 1.
- the valve 30 has an outlet port 301 connected to an inlet port 302, which is disposed in the metering chamber 20 when the valve 30 is in the dispensing position.
- the valve 30 can be made in two parts, namely an upper part 31 (also called high valve) and a lower part 32 (also called bottom valve).
- the lower part 32 is in this embodiment assembled inside the upper part 31.
- An internal channel 33 is provided in the valve 30 which makes it possible to connect the metering chamber 20 to the reservoir 1, to fill said metering chamber 20 when, after each actuation of the valve, the valve 30 returns to its rest position under the The effect of the spring 8. This filling is done when the device is still in the inverted position of use, with the valve disposed below the tank.
- the metering chamber 20 when the valve 30 is in the rest position, the metering chamber 20, outside the valve 30, is substantially isolated from the reservoir by the cooperation between the lower part 32 of the valve 30 and the chamber seal 22. In this rest position, the metering chamber 20 thus remains connected to the reservoir 1 only via said internal channel 33.
- the valve body 10 comprises a cylindrical portion 15 in which the spring 8 is disposed and in which the collar 320 slides between its resting and dispensing positions.
- this cylindrical portion 15 is the lower portion of the valve body.
- This cylindrical portion 15 has one or more longitudinal openings 1 1, such as slots, extending laterally in said cylindrical portion 15 of the valve body, over a portion of the axial height of the valve body in the direction of the axis. central longitudinal B. These openings allow the filling of the metering chamber after each actuation, when in the inverted position of use (with the valve disposed under the tank), the valve 30 returns from its dispensing position to its rest position .
- the flange 320 of the valve defines a second chamber 29 defined between said flange 320 and the metering chamber 20. More specifically, with reference to FIG. 1, this second chamber 29 is disposed below the seal of FIG. chamber 22 and above the flange 320 of the valve 30. This second chamber 29 discharges itself by gravity in the upright storage position via the functional clearance between the outside of the flange 320 and the inner diameter of said cylindrical portion 15 of the valve body.
- a known problem of the metering valves is the phenomenon of loss of dose, also called “drainback". This loss of dose is evaluated in particular by the so-called “Loss of Prime” test of weighing the dose after expulsion at storage intervals ranging from three to seven days, typically five days. Analyzes made it possible to understand that the metering chamber 20 of the valve can be drained at least partially in the storage position (right position of FIG. 1) via the internal channel 33 of the valve 30 when said second chamber 29 of the valve is empty.
- Figures 2 and 3 show an embodiment of the invention, wherein said flange 320 of the valve 30 is substantially centered in the cylindrical portion 15 of the valve body. This centering distributes the clearance between the flange 320 and the valve body over the entire periphery. The passage surface of the formulation is better, which improves the filling of the metering chamber 20.
- each longitudinal rib 100 has a rounded shape to minimize the areas of contact with said flange 320.
- the difference between the internal diameter of said cylindrical portion 15 of valve body and the outer diameter of said flange 320 is less than 0.2 mm, preferably less than 0.15 mm.
- a peripheral radial gap is obtained between said collar 320 and said longitudinal ribs 100 which is less than 0.06 mm, advantageously less than 0.02 mm.
- said difference in diameters is greater than 0.01 mm, in particular at least 0.04 mm. This is to avoid any risk of blockage of the valve, regardless of manufacturing tolerances.
- the emptying of the second chamber 29 is prevented or at least greatly slowed down, so that the metering chamber 20 does not empty either through the internal channel of the valve.
- said longitudinal ribs 100 may have a decreasing radial dimension, with a maximum radial dimension d2 at the rest position of said collar 320, and a minimum radial dimension at the dispensing position of said collar 320.
- the ribs 100 from the top of the cylindrical portion 15 of the valve body until the inscribed diameter of these ribs meet the inner diameter of said cylindrical portion 15.
- the ribs 100 being less stripped than the inner diameter of said cylindrical portion 15, the two diameters eventually meet at a certain height in said cylindrical portion 15.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1652468A FR3049275B1 (fr) | 2016-03-23 | 2016-03-23 | Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve |
PCT/FR2017/050644 WO2017162972A1 (fr) | 2016-03-23 | 2017-03-20 | Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3433184A1 true EP3433184A1 (fr) | 2019-01-30 |
EP3433184B1 EP3433184B1 (fr) | 2020-04-29 |
Family
ID=56148456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17720539.0A Active EP3433184B1 (fr) | 2016-03-23 | 2017-03-20 | Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve |
Country Status (6)
Country | Link |
---|---|
US (1) | US10745189B2 (fr) |
EP (1) | EP3433184B1 (fr) |
JP (1) | JP7373280B2 (fr) |
CN (1) | CN108778957B (fr) |
FR (1) | FR3049275B1 (fr) |
WO (1) | WO2017162972A1 (fr) |
Family Cites Families (50)
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US2900114A (en) * | 1956-08-27 | 1959-08-18 | Aerosol Res Company | Aerosol valve mounting |
US3074601A (en) * | 1956-11-20 | 1963-01-22 | Aerosol Res Company | Aerosol valve assembly |
US3547317A (en) * | 1968-07-15 | 1970-12-15 | Green Edward | Valve assembly for dispensing metered amounts of pressurized product |
GB1274312A (en) * | 1969-01-17 | 1972-05-17 | Bespak Industries Ltd | Aerosol container valves |
US3738542A (en) * | 1970-05-02 | 1973-06-12 | Coster Tecnologie Speciali Spa | Valve for delivering metered amounts of aerosol material from containers therefor |
US3977576A (en) * | 1975-02-24 | 1976-08-31 | Arnaldo Amabili | Spray can and valve construction |
DE2849590C2 (de) * | 1978-11-15 | 1981-11-19 | Schwarzkopf, Hans, 2000 Hamburg | In einem Behälter unter Druck stehendes Aerosolpräparat, Verfahren zu seiner Herstellung und Verwendung der Aerosolpräparate unter Druck in einem Behälter (Aerosoldose) |
FR2502732B1 (fr) * | 1981-03-30 | 1985-08-30 | Valois Sa | Valve doseuse a position inversee pour recipient d'aerosol |
GB8330851D0 (en) * | 1983-11-18 | 1983-12-29 | Fisons Plc | Device |
US4953759A (en) * | 1989-04-14 | 1990-09-04 | Vernay Laboratories, Inc. | Metering valve for dispensing aerosols |
GB8917285D0 (en) * | 1989-07-28 | 1989-09-13 | Harris Pharma Ltd | A valve for an aerosol dispenser |
FR2670139B1 (fr) * | 1992-01-15 | 1993-12-24 | Valois | Valve doseuse utilisable en position inversee. |
US6596260B1 (en) * | 1993-08-27 | 2003-07-22 | Novartis Corporation | Aerosol container and a method for storage and administration of a predetermined amount of a pharmaceutically active aerosol |
GB9420971D0 (en) * | 1994-05-06 | 1994-12-07 | Minnesota Mining & Mfg | Aerosol valves |
GB9414236D0 (en) * | 1994-07-14 | 1994-08-31 | V A R I S P A | Aerosol metering valves |
FR2740527B1 (fr) * | 1995-10-31 | 1998-01-02 | Valois | Tige de soupape a faibles frottements |
GB2307278B (en) * | 1995-11-16 | 1999-01-20 | Bespak Plc | Improved seal arrangements for pressurised dispensing containers |
GB2316673B (en) * | 1996-09-03 | 1999-12-29 | Bespak Plc | Metering valve |
GB9626960D0 (en) * | 1996-12-27 | 1997-02-12 | Glaxo Group Ltd | Valve for aerosol container |
GB2329939A (en) * | 1997-06-26 | 1999-04-07 | Glaxo Group Ltd | Self-lubricating valve stem for aerosol containers |
GB2332712A (en) * | 1997-07-29 | 1999-06-30 | Glaxo Group Ltd | Valve for aerosol container |
JP3865485B2 (ja) * | 1997-11-07 | 2007-01-10 | 東洋エアゾール工業株式会社 | エアゾール容器用の流量調整装置 |
GB9805938D0 (en) * | 1998-03-19 | 1998-05-13 | Glaxo Group Ltd | Valve for aerosol container |
FR2777967B1 (fr) * | 1998-04-28 | 2000-06-16 | Oreal | Organe d'activation d'une valve,valve equipee de cet organe et ensemble de distribution muni de cette valve |
US20040129737A1 (en) * | 1999-03-24 | 2004-07-08 | Anderson Gregor John, Mclennan | Valves for use in containers having valve stems slidably movable within round-edged sealing rings |
US6739333B1 (en) * | 1999-05-26 | 2004-05-25 | Boehringer Ingelheim Pharma Kg | Stainless steel canister for propellant-driven metering aerosols |
GB9918627D0 (en) * | 1999-08-07 | 1999-10-13 | Glaxo Group Ltd | Valve |
GB9918626D0 (en) * | 1999-08-07 | 1999-10-13 | Glaxo Group Ltd | Valve |
HUP0302005A3 (en) * | 2000-05-23 | 2006-07-28 | Glaxo Group Ltd | Aerosol container for formulations of salmeterol xinafoate |
US6454140B1 (en) * | 2000-07-28 | 2002-09-24 | 3M Innovative Properties Companies | Metered dose dispensing aerosol valve |
GB0025092D0 (en) * | 2000-10-13 | 2000-11-29 | Glaxo Group Ltd | Medicament dispenser |
FR2833584B1 (fr) * | 2001-12-13 | 2004-04-23 | Valois Sa | Valve de distribution de produit fluide et dispositif de distribution de produit fluide comportant une telle valve |
FR2852301B1 (fr) * | 2003-03-13 | 2006-02-10 | Valois Sas | Dispositif de distribution de produit fluide |
FR2860503B1 (fr) * | 2003-10-07 | 2007-11-02 | Valois Sas | Valve et dispositif de distribution comportant une telle valve. |
FR2860502B1 (fr) * | 2003-10-07 | 2007-09-14 | Valois Sas | Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve |
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FR2917073B1 (fr) * | 2007-06-11 | 2012-10-05 | Valois Sas | Valve de distribution de produit fluide et dispositif de distribution de produit fluide comportant une telle valve |
FR2918044B1 (fr) * | 2007-06-28 | 2012-01-20 | Valois Sas | Bague pour valve de distribution de produit fluide. |
FR2924101B1 (fr) * | 2007-11-26 | 2009-12-04 | Valois Sas | Valve amelioree |
FR2946963B1 (fr) * | 2009-06-22 | 2015-09-04 | Valois Sas | Valve doseuse aerosol et dispositif de ditribution de produit fluide comportant une telle valve |
GB0917731D0 (en) * | 2009-10-09 | 2009-11-25 | Univ Salford | Liquid dispensing apparatus |
FR2973786B1 (fr) * | 2011-04-06 | 2014-07-04 | Valois Sas | Bague pour dispositif de distribution de produit fluide. |
FR2981054B1 (fr) * | 2011-10-05 | 2015-01-16 | Valois Sas | Element de fixation d'un organe de distribution sur le col d'un recipient et dispositif de distribution de produit fluide comportant un tel element de fixation. |
FR3006300B1 (fr) * | 2013-06-04 | 2015-07-03 | Aptar France Sas | Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve. |
WO2015083642A1 (fr) * | 2013-12-03 | 2015-06-11 | 株式会社三谷バルブ | Mécanisme renfermant un aérosol et produit d'aérosol fourni avec ledit mécanisme renfermant un aérosol |
FR3037571B1 (fr) * | 2015-06-16 | 2019-11-22 | Lindal France | Procede pour fabriquer une valve d'aerosol et valve d'aerosol |
JP7025557B2 (ja) * | 2017-12-19 | 2022-02-24 | プリシジョン バルブ コーポレーション | 製品分配用計量弁 |
-
2016
- 2016-03-23 FR FR1652468A patent/FR3049275B1/fr active Active
-
2017
- 2017-03-20 WO PCT/FR2017/050644 patent/WO2017162972A1/fr active Application Filing
- 2017-03-20 EP EP17720539.0A patent/EP3433184B1/fr active Active
- 2017-03-20 US US16/078,429 patent/US10745189B2/en active Active
- 2017-03-20 CN CN201780013836.7A patent/CN108778957B/zh active Active
- 2017-03-20 JP JP2018549894A patent/JP7373280B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2019510696A (ja) | 2019-04-18 |
US20190047778A1 (en) | 2019-02-14 |
FR3049275A1 (fr) | 2017-09-29 |
CN108778957B (zh) | 2021-01-12 |
JP7373280B2 (ja) | 2023-11-02 |
FR3049275B1 (fr) | 2019-07-19 |
EP3433184B1 (fr) | 2020-04-29 |
CN108778957A (zh) | 2018-11-09 |
WO2017162972A1 (fr) | 2017-09-28 |
US10745189B2 (en) | 2020-08-18 |
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