EP1216195A1 - Joint de soupape pour valve doseuse - Google Patents
Joint de soupape pour valve doseuseInfo
- Publication number
- EP1216195A1 EP1216195A1 EP00962617A EP00962617A EP1216195A1 EP 1216195 A1 EP1216195 A1 EP 1216195A1 EP 00962617 A EP00962617 A EP 00962617A EP 00962617 A EP00962617 A EP 00962617A EP 1216195 A1 EP1216195 A1 EP 1216195A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- metering
- valve stem
- stem
- seal
- 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
- 239000003380 propellant Substances 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 239000002775 capsule Substances 0.000 claims description 14
- 239000000825 pharmaceutical preparation Substances 0.000 claims 1
- 229940127557 pharmaceutical product Drugs 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
- B65D83/44—Valves specially adapted for the discharge of contents; Regulating devices
- B65D83/52—Metering valves; Metering devices
Definitions
- the present invention relates to an improved valve seal for a metering valve and a fluid dispenser device comprising a metering valve provided with such an improved valve seal.
- Valves are well known in the state of the art. They find their main application with aerosol containers for the distribution of fluid products charged with a propellant (gas dissolved under pressure).
- the valves When metered, the valves generally comprise a valve body enclosing a metering chamber delimited axially by two annular seals, a valve seal and a chamber jomt, and a valve stem movable between a rest position and a position actuation This valve stem is biased by a spring towards its rest position, in which a shoulder of said stem rests on the lower surface of said valve seal.
- To actuate the metering valve one presses on the valve stem which slides in the valve body inside the annular seals to its actuation position, in which a dose of the product is expelled.
- valve stems of the valves in particular of the metering valves, relate in particular to the tightness at the level of the valve stem.
- the valve stem must be able to slide between its actuation position and its rest position under the effect of the spring, while preventing leaks from occurring.
- known valves generally comprise a cylindrical valve stem having, as an extension of said shoulder, at least on the portion of the valve stem which slides in the valve seal, a constant outside diameter approximately equal (generally very slightly greater) than the outside diameter of the central opening of the valve seal.
- a frustoconical part is generally provided adjacent to said shoulder and which extends axially over part of the thickness of said valve seal.
- a disadvantage of this implementation lies in the fact that the friction which appears when the valve stem is bent can be relatively important, which can cause a blockage of said valve stem (phenomenon known as sticking of the stem)
- friction can deform the edge of the valve seal in contact with the valve stem, so that product can s '' between said rod and said jomt Especially in the case of powdery product, this can hinder or even prevent the operation of the metering valve
- Another solution consists in coating the valve stems with a layer of silicone to improve its friction qualities.
- This solution is relatively satisfactory with propellants such as CFCs, but is not sufficient when HFA gases are used. These HFA gases expel progressively the silicone, so that after a certain number of uses, the problem of blockage of the valve stem reappears
- An object of the invention is to provide a valve seal for a metering valve produced in such a way as to avoid inadvertent blockage of the valve stem by friction on the valve stem, when said valve stem moves relative to said valve stem. valve, while ensuring sealing at the level of said valve seal during this displacement
- Another object of the invention is to provide a valve jomt made in such a way that the valve stem operates reliably and safely with a spring of low stiffness, thus facilitating its actuation.
- Yet another object of the invention is to provide a metering valve operating with a propellant gas which is not harmful to the environment, said valve comprising a valve stem which can slide in the valve seal without leakage and without risk of blocking between its position actuation and its rest position under the effect of the spring
- the subject of the invention is therefore a valve junction for a metering valve intended to dispense a pulverulent product dispersed in a propellant gas
- said metering valve comprising a valve body defining a metering chamber, a valve stem sliding in said metering chamber between a rest position and an actuating position, the seal between said valve stem and said metering chamber being produced by said valve stem, said valve body being fixed in a fixing capsule intended to assemble the valve on a product tank, said valve stem having a radially internal contact area on which slides said valve stem, said contact area being fixed to a rigid element so that during the movement of said valve stem, said contact area of the valve seal remains substantially fixed in shape and in position, said contact area having a profile at least partially rounded, to reduce the contact surface between said valve seal and said valve stem
- the latter slides e with less friction, which avoids the appearance of blockage of the valve stem, while ensuring a perfect seal.
- valve junction therefore makes it possible to avoid any deformation of the valve jomt, thereby preventing product trapping between the rod and the jomt.
- said rigid element is a part, in particular the inner radial edge, of said fixing capsule.
- said valve stem is fixed, in particular at the top, on the radial edge of said fixing capsule.
- said valve stem is directly molded on said inner radial edge of said fixing capsule.
- said rigid element is a rigid insert disposed inside said valve seal
- the present invention also relates to a metering valve comprising such a valve junction and a fluid dispenser device comprising such a metering valve.
- FIG. 1 is a schematic sectional view of a joint valve according to a particular embodiment of the invention
- FIG. 2 is a schematic sectional view of a valve seal according to another embodiment of the invention
- Figure 3 is a schematic sectional view of a metering valve according to an advantageous embodiment of the present invention incorporating the valve seal of Figure 2, the valve stem being in its rest position
- Figure 4 is a view similar to that of FIG. 3, the valve stem being in its actuation position
- a metering valve can comprise a valve body 1 enclosing a metering chamber 2.
- This metering chamber 2 can be delimited axially by two annular jumps, a valve seal 3 and a chamber jomt 4 These two jomts may each have a central opening through which passes a valve stem 10, movable inside the valve body 1 between a rest position, shown in FIG. 3, and an actuation position, shown in Figure 4
- This valve stem 10 can be urged towards its rest position by an elastic member such as a spring 5, bearing on the one hand on the bottom of the valve body 1 and on the other hand on the end lower valve stem
- the valve body 1 can be fixed, for example crimped, in a capsule 100 which is then fixed, for example by crimping, on the neck of any container or bottle (not shown).
- a neck collar is provided. 101 between said capsule 100 and said neck of the container
- the valve stem 10 generally comprises a distribution channel 12 opening through a radial hole 13 on its outer surface. In the rest position of the valve stem, said radial hole 13 opens to the outside of the valve seal 3, while in said actuating position it opens inside the metering chamber 2
- the valve stem 10 may further comprise a radial shoulder 11 which rests on the lower surface of the valve stem 3 in the rest position of the valve stem 10, and which therefore defines said rest position by acting as a member of abutment against the thrust of the spring 5
- the valve stem 10 advantageously also comprises a duct 14, which, in the rest position of the valve stem, connects a reservoir or container of product (not shown) with the metering chamber 2 for filling the latter, while in the actuation position of the valve stem, it does not open into the metering chamber 2
- the operation of this metering valve is conventional.
- valve stem 10 which has the effect of displacing the latter against the force of the spring 5 out of its rest position
- the conduit 14 no longer opens into the metering 2 and this is then hermetically closed by the valve stem 10 at the chamber jomt 4 and the valve jomt 3
- the valve stem 10 reaches its actuation position, the radial hole 13 of the stem valve opens into the metering chamber 2, thus allowing the distribution of the dose of product contained in said metering chamber via the distribution channel 12.
- the user then releases his pressure on the valve stem 10 which is returned by the spring 5 to its rest position or the conduit 14 opens into the metering chamber 2, to fill the latter with a new dose of product
- the valve junction 3 has a radially internal contact zone 31 over which the valve stem 10 slides in sealed manner. According to the invention, this contact zone 31 is fixed to a rigid element 50 so as to substantially prevent any displacement and / or deformation of said contact zone 31 during the displacement of the valve stem 10.
- said rigid element 50 is a rigid insert disposed at the end of said valve jaw 3 Amsi, the flexible part of the jomt forming contact zone 31 is retained axially by the rigid insert when moving the valve stem 10, preventing amsi that product enters between these two elements.
- the insert ngide 50 can for example be made of stainless steel, the seal being injected around said element
- said rigid element is part of or is integral with the fixing capsule 100.
- the valve seal 3 is fixed around the inner radial edge 50 of said capsule.
- the contact area 31 of the jomt 3 is held axially by said radial edge of the capsule.
- the jomt 3 can be injection molded with a shape as shown in FIG. 2, then fixed to the capsule 100, for example by the jomt 3 can be directly molded on the capsule 100.
- the contact area 31 of the valve jomt 3 can also have a shape that is at least partially rounded, in order to reduce the contact surface between the seal and the rod.
- valve and therefore reduce friction Similarly, this rounded shape also prevents product trapping at the ends of said contact zone 31
- the valve stem 10 sliding better on the seal, its external dimensions can therefore be provided so that it cooperates with the seal to ensure perfect seal, even when using non-harmful gases such as
- the stiffness of the spring 5 must be directly proportional to the friction forces exerted by the valve junction 3, the invention therefore makes it possible to use a spring having a lower stiffness.
- the actuation of the metering valve according to the invention is therefore facilitated in that the force necessary to actuate it is reduced.
- Another advantage of the valve stem of the invention is that due to the reduction in the friction forces exerted by the valve stem 3 on the valve stem 10 when that -it returns to its rest position, the speed of movement of said valve stem is higher, which increases the reliability of the valve
- the invention therefore guarantees reliable operation of the metering valve and total tightness at the valve junction, which in particular authorizes the use of propellants which are not harmful to the environment, such as HFA gases, lean the increase significant pressure inside the metering chamber
- the use of a spring of lower stiffness is made possible, which facilitates actuation of the metering valve
- the invention has been described with reference to figures which represent a metering valve operating in an upright position, but it obviously also applies to metering valves operating in an inverted position
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)
- Nozzles (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9911502 | 1999-09-15 | ||
| FR9911502A FR2798367B1 (fr) | 1999-09-15 | 1999-09-15 | Joint de soupape pour valve doseuse |
| PCT/FR2000/002518 WO2001019701A1 (fr) | 1999-09-15 | 2000-09-12 | Joint de soupape pour valve doseuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1216195A1 true EP1216195A1 (fr) | 2002-06-26 |
| EP1216195B1 EP1216195B1 (fr) | 2003-08-13 |
Family
ID=9549843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00962617A Expired - Lifetime EP1216195B1 (fr) | 1999-09-15 | 2000-09-12 | Joint de soupape pour valve doseuse |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6622893B2 (fr) |
| EP (1) | EP1216195B1 (fr) |
| JP (1) | JP4651892B2 (fr) |
| CN (1) | CN1144743C (fr) |
| DE (1) | DE60004542T2 (fr) |
| FR (1) | FR2798367B1 (fr) |
| WO (1) | WO2001019701A1 (fr) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002332081A (ja) * | 2001-05-10 | 2002-11-22 | Bioactis:Kk | ガス噴射弁及びガス注入に用いられる注入治具 |
| JP2002333098A (ja) * | 2001-05-10 | 2002-11-22 | Bioactis:Kk | ガス噴射弁及びガス注入に用いられる注入治具 |
| WO2003057594A1 (fr) * | 2001-12-31 | 2003-07-17 | 3M Innovative Properties Company | Joint d'etancheite statique pour utilisation dans une valve doseuse limitant la penetration du scellement |
| WO2003062093A2 (fr) | 2001-12-31 | 2003-07-31 | 3M Innovative Properties Company | Tige de commande pour valve doseuse d'aerosol-doseur |
| WO2004096666A1 (fr) * | 2003-04-30 | 2004-11-11 | Bespak Plc | Soupape de dosage |
| GB0309936D0 (en) * | 2003-04-30 | 2003-06-04 | Bespak Plc | Improvements in valves for pressurised dispensing containers |
| FR2860502B1 (fr) * | 2003-10-07 | 2007-09-14 | Valois Sas | Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve |
| US8143404B2 (en) * | 2004-09-13 | 2012-03-27 | Ono Pharmaceutical Co., Ltd | Nitrogenous heterocylic derivative and medicine containing the same as an active ingredient |
| GB0503098D0 (en) * | 2005-02-15 | 2005-03-23 | Reckitt Benckiser Uk Ltd | Spray device |
| WO2006087516A1 (fr) | 2005-02-15 | 2006-08-24 | Reckitt Benckiser (Uk) Limited | Ensemble joint d'etancheite pour contenant sous pression |
| GB0503095D0 (en) | 2005-02-15 | 2005-03-23 | Reckitt Benckiser Uk Ltd | Holder |
| GB0623052D0 (en) * | 2006-11-18 | 2006-12-27 | Reckitt Benckiser Uk Ltd | An assembly |
| AU2007100166A4 (en) * | 2007-03-02 | 2007-03-29 | Magnum Manufacturing Pty Ltd | Valve for aerosol containers |
| DE102007049614B4 (de) | 2007-03-15 | 2015-03-05 | Aptar Dortmund Gmbh | Abgabevorrichtung |
| GB0719416D0 (en) * | 2007-10-05 | 2007-11-14 | 3M Innovative Properties Co | Metered dose valve |
| ES2436002T3 (es) | 2008-06-20 | 2013-12-26 | Aptar Dortmund Gmbh | Dispositivo de distribución |
| DE102008038654B4 (de) | 2008-08-12 | 2019-09-19 | Aptar Dortmund Gmbh | Abgabekopf mit schwenkbarem Ventilelement |
| DE102009030627B4 (de) | 2009-06-25 | 2020-03-12 | Aptar Dortmund Gmbh | Ventil und Abgabevorrichtung |
| JP6210586B2 (ja) * | 2013-04-10 | 2017-10-11 | 株式会社三谷バルブ | エアゾール容器に取り付けられるマウンティングキャップおよびこのマウンティングキャップを備えたエアゾール式製品 |
| US10661974B2 (en) * | 2016-08-12 | 2020-05-26 | The Procter & Gamble Company | Internally fitted aerosol dispenser |
| PL233269B1 (pl) * | 2017-10-20 | 2019-09-30 | Arka Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa | Uszczelka, zwłaszcza zaworu |
| JP6839139B2 (ja) * | 2018-07-20 | 2021-03-03 | 株式会社ニフコ | ノズル装置 |
| CN109519579B (zh) * | 2018-12-26 | 2025-01-03 | 万通(苏州)定量阀系统有限公司 | 阀门 |
| DE102021133871A1 (de) * | 2021-12-20 | 2023-06-22 | Vr Automotive Dichtungssysteme Gmbh | Verfahren zur herstellung eines dichtungselements, dichtungselement sowie verwendung eines nach einem solchen verfahren hergestellten dichtungselements |
| FR3150798B1 (fr) | 2023-07-07 | 2025-11-21 | Aptar France Sas | Dispositif de distribution de produit fluide |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2585286A (en) * | 1949-05-02 | 1952-02-12 | Margaret L Tubbs | Resilient valve in rigid wall portions of containers |
| BE535408A (fr) * | 1954-08-16 | |||
| US3109625A (en) * | 1959-12-14 | 1963-11-05 | Vca Inc | Valve construction for aerosolproducing device |
| GB1201918A (en) * | 1966-12-21 | 1970-08-12 | Bespak Industries Ltd | Improvements in or relating to valves for pressurised dispensers |
| AU472208B2 (en) * | 1973-03-07 | 1976-05-20 | Precision Valve Australia Pty. Ltd | Pressurized dispenser valve |
| GB1493141A (en) * | 1974-08-20 | 1977-11-23 | Aerosol Inventions Dev | Valves for pressurised dispensers |
| GB1597492A (en) * | 1977-03-11 | 1981-09-09 | Draftex Dev Ag | Windows |
| NL7708212A (nl) * | 1977-06-20 | 1978-12-22 | Foam Schaumtechnik | Doseerklep. |
| US4191389A (en) * | 1977-10-26 | 1980-03-04 | Parker-Hannifin Corporation | Sealing washer |
| JPS55161926A (en) * | 1979-06-06 | 1980-12-16 | Hitachi Ltd | Engine control device |
| DE3174393D1 (en) * | 1980-08-04 | 1986-05-22 | Bon F Del | Self-closing valve-and-lid assembly |
| JPS5735866A (en) * | 1980-08-14 | 1982-02-26 | Canon Inc | Electrophotographic receptor |
| FR2502732B1 (fr) * | 1981-03-30 | 1985-08-30 | Valois Sa | Valve doseuse a position inversee pour recipient d'aerosol |
| FR2615172B1 (fr) | 1987-05-11 | 1989-08-18 | Valois | Valve aerosol doseuse utilisable en position inversee |
| FR2615124B1 (fr) | 1987-05-12 | 1989-11-24 | Valois | Valve aerosol doseuse a propulseur, utilisable en position inversee |
| FR2615173B1 (fr) | 1987-05-13 | 1989-08-18 | Valois | Valve doseuse pour liquide charge d'un propulseur liquide ou gaz liquefie, utilisable en position inversee |
| FR2634534B1 (fr) | 1988-07-04 | 1990-10-12 | Valois Sa | Valve doseuse pour aerosols |
| JPH02114259A (ja) * | 1988-10-24 | 1990-04-26 | Konica Corp | ハロゲン化銀カラー写真感光材料 |
| US5174256A (en) * | 1991-11-25 | 1992-12-29 | Dana Corporation | Variable guide height valve seal |
| 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 |
| JP3498554B2 (ja) * | 1997-10-28 | 2004-02-16 | Nok株式会社 | 密封装置 |
| JPH11301758A (ja) * | 1998-04-17 | 1999-11-02 | Toho Kinzoku Kogyo Kk | 噴射缶装置 |
| US6070770A (en) * | 1998-12-29 | 2000-06-06 | Precision Valve Japan, Limited | Aerosol flow regulator |
-
1999
- 1999-09-15 FR FR9911502A patent/FR2798367B1/fr not_active Expired - Fee Related
-
2000
- 2000-09-12 DE DE60004542T patent/DE60004542T2/de not_active Expired - Lifetime
- 2000-09-12 JP JP2001523297A patent/JP4651892B2/ja not_active Expired - Fee Related
- 2000-09-12 CN CNB008128901A patent/CN1144743C/zh not_active Expired - Fee Related
- 2000-09-12 EP EP00962617A patent/EP1216195B1/fr not_active Expired - Lifetime
- 2000-09-12 WO PCT/FR2000/002518 patent/WO2001019701A1/fr not_active Ceased
-
2002
- 2002-03-13 US US10/095,456 patent/US6622893B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0119701A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1144743C (zh) | 2004-04-07 |
| WO2001019701A1 (fr) | 2001-03-22 |
| DE60004542D1 (de) | 2003-09-18 |
| JP2003509301A (ja) | 2003-03-11 |
| FR2798367A1 (fr) | 2001-03-16 |
| US20020190477A1 (en) | 2002-12-19 |
| US6622893B2 (en) | 2003-09-23 |
| JP4651892B2 (ja) | 2011-03-16 |
| FR2798367B1 (fr) | 2001-11-23 |
| EP1216195B1 (fr) | 2003-08-13 |
| CN1374922A (zh) | 2002-10-16 |
| DE60004542T2 (de) | 2004-06-24 |
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