EP0551782A1 - In umgekehrter Lage verwendbares Dosierventil - Google Patents

In umgekehrter Lage verwendbares Dosierventil Download PDF

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Publication number
EP0551782A1
EP0551782A1 EP92403549A EP92403549A EP0551782A1 EP 0551782 A1 EP0551782 A1 EP 0551782A1 EP 92403549 A EP92403549 A EP 92403549A EP 92403549 A EP92403549 A EP 92403549A EP 0551782 A1 EP0551782 A1 EP 0551782A1
Authority
EP
European Patent Office
Prior art keywords
valve
inlet channel
valve stem
section
opening
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
Application number
EP92403549A
Other languages
English (en)
French (fr)
Other versions
EP0551782B1 (de
Inventor
Patrick Di Giovanni
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 EP0551782A1 publication Critical patent/EP0551782A1/de
Application granted granted Critical
Publication of EP0551782B1 publication Critical patent/EP0551782B1/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 which can be used in the inverted position, more particularly intended for aerosols.
  • the present invention specifically aims to solve the aforementioned technical problem of maintaining the liquid in the metering chamber when the valve is in the non-inverted position.
  • valve can remain in the non-inverted position without the valve chamber being emptied of its liquid.
  • Tests have shown that the valve according to the invention can remain in the non-inverted position for more than 5 days without defusing or losing part of the dose contained in the valve.
  • the first ends of the two channel sections of the inlet channel are located axially substantially in the vicinity of the valve seal when the valve stem is in its rest position.
  • said end of said fixing section is at a certain distance from the bottom of said housing so as to define a space between said end and said bottom, and the two sections of the inlet channel open into said space.
  • the two parts forming the valve stem collaborate to define the second section of the inlet channel.
  • the securing section of the second part comprises at least one axial groove which collaborates with the housing of the first part to define the second section of the inlet channel.
  • said second part has a shoulder against which said other end of the first part abuts, said other end may have a radial groove which collaborates with said shoulder to define the second opening of the inlet channel.
  • the housing of the first part comprises at least one axial groove which collaborates with the securing section of the second part to define the second section of the inlet channel.
  • said shoulder may comprise a radial groove which collaborates with said other end to define the second opening of the inlet channel.
  • valve stem is formed in two pieces
  • the two pieces forming the valve stem can collaborate to define the second opening of the inlet channel.
  • valve is generally described in the non-inverted position, as shown in FIG. 1.
  • Terms such as “upper”, “lower”, “high”, “low”, etc. are used with reference to this non-inverted position, but are used only to facilitate understanding of the description, without being limiting.
  • the valve according to the invention conventionally comprises a cylindrical valve body 1, which extends axially between a bottom 1a and an open end 1c.
  • the valve body 1 further comprises an enlargement 1b which forms an internal shoulder 1e, directed towards the open end 1c.
  • one or more axial slots 1d are cut in the valve body 1, between the enlargement 1b and the bottom la.
  • the valve body can conventionally be molded from thermoplastic material.
  • the valve body 1 is mounted on the neck 10 of a canister or reservoir 11, generally using a metal capsule 3 crimped on the neck 10.
  • the metal capsule 3 has a central annular wall 3b radial, which covers the end open 1c of the valve body, and said annular wall 3b delimits an orifice 3a centered on the open end 1c of the valve body.
  • An annular neck seal 9, generally made of elastomer, can be interposed between the neck 10 and the capsule 3.
  • the reservoir or can 11 contains a liquid 12 intended to be sprayed, as well as a propellant which occupies the free volume 13 left by the liquid.
  • the propellant is generally mixed with the liquid by dissolution or by liquefaction.
  • the ferrule 6 may optionally have radial ribs 6a directed inwardly, which extend axially at the height of said ferrule.
  • the ferrule 6 may also include an inner flange 6b clearly visible in Figure 1, which extends radially inward.
  • the valve further comprises an annular valve seal 4, generally made of elastomer, interposed between the shell and the annular wall 3b of the metal capsule 3.
  • the valve seal 4 extends radially inwards from the wall from the valve body 1, to a central orifice 4a.
  • annular chamber seal 5 generally made of elastomer, is interposed between the flange 6b and the shoulder 1e of the valve body.
  • the chamber seal 5 extends radially inwards from the wall of the valve body 1, to a central orifice 5a.
  • valve seal 4 and the chamber seal 5 axially delimit a metering chamber 7, the volume of which can be chosen in an appropriate manner by modifying the thickness of the ferrule 6 and / or of the ribs 6a.
  • the valve further comprises a valve stem 2, slidably mounted in the valve body 1.
  • the valve stem slides with sealing inside the valve seal 4 and chamber seal 5, and it s' extends to an outlet end 201 located outside the valve body, which generally receives an actuator.
  • the ribs 6a of the ferrule 6 can participate in guiding the valve stem 2.
  • a metal spring 13 in a spiral biases the valve stem 2 towards the outside of the valve body.
  • the valve stem 2 has an outer collar 203, clearly visible in FIG. 4, which is applied against the valve seal 4 under the effect of the spring 13 when the push rod is in a rest position, as shown in the Figure 1.
  • the push rod 2 further comprises an inlet channel 211, 214 having two lateral openings 212, 213.
  • the valve stem further includes an axial outlet channel 205, which extends from the outlet end 201 to a side opening 206, which is located outside the metering chamber when the valve stem is in its rest position.
  • valve stem 2 has an enlarged part 207 situated between the second opening of the inlet channel and the collar 203.
  • valve When the valve is to be actuated, it is placed in the inverted position, that is to say with the outlet end 201 of the valve stem pointing downwards.
  • the valve When the valve is actuated by pushing the valve stem 2 into the valve body 1 against the bias of the spring 13, the enlarged part 207 of the valve stem comes to bear in sealed contact against the chamber seal 5, this which isolates the metering chamber from the inlet channel.
  • the lateral opening 206 of the outlet channel enters the metering chamber 7 by sliding in the central orifice 4a of the valve seal 4, the metering chamber 7, which is filled with a product loaded with propellant gas then empties through the lateral opening 206 and the outlet channel 205, under the effect of said gaseous propellant.
  • valve stem When the lateral opening 206 is inside the metering chamber, the valve stem is in a so-called actuation position. In this position, the central part of the chamber seal 5 is deformed axially in the direction of the bottom 1a of the valve body, by the support of the enlarged part 207 of the valve stem.
  • the valve stem When the valve stem is released, it returns to its rest position, while the valve is still in the inverted position.
  • the liquid 12 of the reservoir 11 is located in the vicinity of the neck 10 of the reservoir, so that it can fill the metering chamber 7 via the inlet channel.
  • the flange 6b When the valve stem 2 returns to its rest position.
  • the flange 6b extends radially inwards to the vicinity of the valve stem 2, so that it prevents the central part of the chamber seal 5 from being driven by friction by said valve stem. 2 in the direction of the metering chamber 7. This avoids inaccuracy in the volume of the metering chamber 7, and / or possible closure of the second opening 213 of the inlet channel in the rest position.
  • valve 1 When the use of the valve is stopped, the device is generally stored by placing the container 11 on its base. Thus, the valve is found in the non-inverted position, the end of the parts of the valve stem being directed upwards. In this position, the body of valve 1 is no longer surrounded not by the liquid contained in the reservoir 11, but by the gas 13 located above the liquid.
  • the inlet channel 211, 214 forms a siphon, which comprises two sections of axial channels, a first section of channel 211 extending axially between a first end closer to the outlet opening 205 and a second end which communicates with the first opening 212 of the inlet channel, and a second section 214 which extends axially between a first end closer to the outlet opening 205 and a second end which communicates with the second opening 213 of the inlet channel, the two sections 211, 214 being connected to one another by their first ends.
  • gas may possibly enter the first section 211 of the inlet channel, gradually migrating through the first opening 212 and up the channel 211, so that the opening 212 and section 211 can gradually empty out of the liquid they contain.
  • the gas is trapped at the first end of the section 211 which, in this position, is also the upper end of the section.
  • the gas having penetrated to the first end of the section 211 can indeed no longer descend into the section 214, since the gas has a density less than the density of the liquid. Consequently, the section 214 of the inlet channel, the second opening 213 of the inlet channel, and the metering chamber 7 remain filled with liquid.
  • the first ends of the sections 211 and 214 are located substantially at the same height as the valve seal 4 when the valve stem is in its rest position, so as to promote the retention of the liquid in the pump chamber.
  • said first ends could even be above the level of the valve seal 4 when the valve stem is in its rest position and the valve is in the non-inverted position.
  • valve stem 2 is formed in two parts 20, 21, which can be molded in thermoplastic material and then assembled by interlocking, with possibly a fixing by ultrasonic welding.
  • the valve stem 2 comprises a first part 20 of generally cylindrical shape of revolution, which extends axially between the outlet end 201 of the push rod, and another end 202.
  • Said first part 20 comprises the outlet channel 205 and its lateral opening 206, as well as the collar 203 and said enlarged part 207 of the valve stem, which is located between the end 202 and the collar 203.
  • the second part 20 comprises a cylindrical housing 204 which extends axially from the end 202 of the part 20, over a certain distance in the direction of its outlet end 201, to a bottom 208.
  • the push rod 2 further comprises a second part 21 of general shape which is also cylindrical.
  • Said second part 21 extends axially between a first end 223 close to the bottom 1a of the valve body, and a second end 216.
  • said second part 21 firstly comprises a centering finger 224 of the spring 13, then a collar 222 for supporting the spring 13, then a cylindrical section 225, having a diameter less than the outside diameter of said part 207 of the first part 20, then a cylindrical fixing section 215, which extends axially up to said second end 216 of the part 21.
  • the fixing section 215 is adapted to fit into the cylindrical housing 204 of the first part 20, and it has an inside diameter smaller than the outside diameter of the first cylindrical section 225 , so that a shoulder 221 directed towards said second end 216 is formed between the first section 225 and the fixing section 215.
  • the channel section 211 extends axially to the center of the part 21, from the second end 216 to the first opening 212 of the inlet channel, which extends radially.
  • the fixing section 215 has an outer groove 217, which extends axially over the entire height of said section 215, and which joins a radial groove 218 formed in the shoulder 221, said radial groove 218 extending up to the outside of the first section 225 of the part 21.
  • the end 202 of the first part 20 abuts against the shoulder 221 and the lengths of the fixing section 215 and of the housing 204 are such that the end 216 of the section 215 does not touch the bottom 208 of the housing 204.
  • a space 22 is left free between the end 216 of the section 215 and the bottom 208.
  • the grooves 218 and 217 collaborate with the walls of the part 20 to form the second opening 213 and the second section of channel 214 of the inlet channel, while the free space 22 allows the communication of the first ends of the channel 214 and of the channel 211.
  • the thickness of the free space 22, that is to say the axial distance between the end 216 and the bottom 208, can advantageously be small, for example of the order of about 1/10 mm.
  • the possible leakage of liquid from the channel section 214 towards the section 211 is limited by capillarity, in particular when the device is manipulated or agitated. It would also be possible to connect the first ends of the two channel sections 211, 214 by a groove formed at the end 216 of the second part 21.
  • the securing section 215 of the second part 21 may be full, while the inner wall of the housing 204 has an axial groove 219 which communicates with a radial groove 221 at the end 202 of part 20, said groove 220 extending radially up to the outside of said part 30.
  • the groove 219 thus collaborates with the section 215 to form the second section 214 of the inlet channel, while the groove 220 collaborates with the shoulder 221 of the second part 21, to form the second opening 213 of the inlet channel.
  • the filling of the canister 1 with a gaseous propellant or liquefied gas is done after mounting the valve on the canister.
  • the valve stem 2 is positioned in the actuating position, and the propellant is injected under pressure through the channel 205.
  • the propellant enters the metering chamber 7, and the pressure deforms the seal 5 towards the can 11, away from the valve stem 2, which allows the propellant to enter the can 11.
  • the propellant does not pass through the siphon of the inlet channel 211, 214 during filling, so that the two parts 20, 21 of the valve stem are not liable to be accidentally separated due to the filling pressure of the propellant.

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)
EP92403549A 1992-01-15 1992-12-23 In umgekehrter Lage verwendbares Dosierventil Expired - Lifetime EP0551782B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9200363A FR2670139B1 (fr) 1992-01-15 1992-01-15 Valve doseuse utilisable en position inversee.
FR9200363 1992-01-15

Publications (2)

Publication Number Publication Date
EP0551782A1 true EP0551782A1 (de) 1993-07-21
EP0551782B1 EP0551782B1 (de) 1995-07-19

Family

ID=9425653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92403549A Expired - Lifetime EP0551782B1 (de) 1992-01-15 1992-12-23 In umgekehrter Lage verwendbares Dosierventil

Country Status (5)

Country Link
US (1) US5169038A (de)
EP (1) EP0551782B1 (de)
JP (1) JP3467629B2 (de)
DE (1) DE69203591T2 (de)
FR (1) FR2670139B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030607A1 (en) * 1994-05-06 1995-11-16 Minnesota Mining And Manufacturing Company Metered dose aerosol valve with agitator
GB2312418A (en) * 1996-04-26 1997-10-29 Bespak Plc Valves for dispensers
FR2776741A1 (fr) 1998-03-30 1999-10-01 Valois Sa Valve doseuse amelioree
FR2798367A1 (fr) 1999-09-15 2001-03-16 Valois Sa Joint de soupape pour valve doseuse
WO2017162972A1 (fr) 2016-03-23 2017-09-28 Aptar France Sas Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9414236D0 (en) * 1994-07-14 1994-08-31 V A R I S P A Aerosol metering valves
GB2298187A (en) * 1995-02-24 1996-08-28 Bespak Plc Metering valve
DE19860969B4 (de) * 1997-09-03 2006-03-09 Glaxo Group Ltd., Greenford Dosierventil für einen Druck-Abgabe-Behälter
GB2322847A (en) * 1997-11-05 1998-09-09 Bespak Plc Metering valve
GB9814717D0 (en) * 1998-02-23 1998-09-02 Bespak Plc Improvements in drug delivery devices
GB9805938D0 (en) * 1998-03-19 1998-05-13 Glaxo Group Ltd Valve for aerosol container
FR2798366B1 (fr) * 1999-09-15 2002-01-18 Valois Sa Dispositif de distribution a bague de fixation emmanchee
US6454140B1 (en) * 2000-07-28 2002-09-24 3M Innovative Properties Companies Metered dose dispensing aerosol valve
ATE273206T1 (de) * 2001-03-26 2004-08-15 3M Innovative Properties Co Dossierventil für einen dosierinhalator mit verbessertem fluss
GB2375098B (en) * 2001-04-30 2003-08-27 Bespak Plc Improvements in valves for pressurised dispensing containers
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
US6832704B2 (en) 2002-06-17 2004-12-21 Summit Packaging Systems, Inc. Metering valve for aerosol container
DE10229185A1 (de) * 2002-06-28 2004-02-05 Thomas Gmbh Druckregulierventil
ATE532547T1 (de) * 2002-09-06 2011-11-15 3M Innovative Properties Co Dosierventil für einen dosierinhalator mit konsistenter abgabe
GB0315791D0 (en) 2003-07-07 2003-08-13 3M Innovative Properties Co Two component molded valve stems
FR2844254B1 (fr) * 2002-09-10 2006-02-10 Valois Sa Valve de distribution de produit fluide et dispositif de distribution de produit fluide comportant une telle valve
GB0309936D0 (en) * 2003-04-30 2003-06-04 Bespak Plc Improvements in valves for pressurised dispensing containers
FR2856990A1 (fr) * 2003-07-02 2005-01-07 Valois Sas Valve de distribution de produits fluides et distributeur comportant une telle valve
US7571841B2 (en) 2004-04-19 2009-08-11 Illinois Tool Works, Inc. Interchangeable adapter for in-can and on-can fuel cells
US7392922B2 (en) * 2004-04-19 2008-07-01 Illinois Tool Works Inc. In-can fuel cell metering valve
DE102004034626A1 (de) * 2004-06-17 2006-01-12 Seaquist Perfect Dispensing Gmbh Dosierventil und Vorrichtung zur Abgabe einer vorzugsweise kosmetischen Flüssigkeit
WO2006014715A1 (en) * 2004-07-20 2006-02-09 Powers Products Iii, Llc A gas charge setting tool
FR2888822B1 (fr) * 2005-07-21 2010-04-02 Valois Sas Valve de distribution de produit fluide
GB2464943A (en) * 2008-10-29 2010-05-05 Consort Medical Plc A valve stem for a metering valve
JP5436015B2 (ja) * 2009-04-20 2014-03-05 株式会社丸一 エアゾール定量バルブ
FR2948645B1 (fr) * 2009-07-30 2015-06-26 Valois Sas Valve de distribution de produit fluide
TWM506223U (zh) 2015-04-28 2015-08-01 Superior Power Tool Co Ltd 氣體燃料罐之外接式定量閥
US10166666B2 (en) 2015-11-25 2019-01-01 Illinois Tool Works Inc. Adapter for combustion tool fuel cells
FR3065176B1 (fr) * 2017-04-13 2019-06-07 Aptar France Sas Valve doseuse pour distributeur de produit fluide
FR3065891B1 (fr) * 2017-05-05 2021-12-24 Aptar France Sas Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve.
US11466815B2 (en) 2017-10-06 2022-10-11 Black & Decker Inc. Hydrogen fuel canister
FR3107039B1 (fr) 2020-02-07 2022-03-18 Aptar France Sas Valve doseuse avec chambre de dosage améliorée

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003662A (en) * 1959-09-14 1961-10-10 Meshberg Philip Device and method for dispensing material under pressure of an immiscible gas
US3250444A (en) * 1964-09-10 1966-05-10 Seary Ltd Metering button valve construction
EP0101157A2 (de) * 1982-08-06 1984-02-22 Neotechnic Engineering Limited Aerosolventil
DE8713851U1 (de) * 1986-10-15 1988-02-11 Glaxo Group Ltd., London, Gb

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746796A (en) * 1953-08-05 1956-05-22 Pharma Craft Corp Metering valve aerosol bottle
GB756646A (en) * 1953-09-07 1956-09-05 Vsevelod Frantsevitch Improvements in liquid dose dispensing apparatus
GB879461A (en) * 1957-02-09 1961-10-11 Sydney Ethelbert Williams Improvements in post pallets
US2892576A (en) * 1957-11-14 1959-06-30 Lawrence T Ward Metering button valve assembly
FR1325336A (fr) * 1961-06-08 1963-04-26 Seary Ltd Chapeau doseur en forme de bouton-poussoir destiné à être utilisé avec des récipients sous pression
GB1201918A (en) * 1966-12-21 1970-08-12 Bespak Industries Ltd Improvements in or relating to valves for pressurised dispensers
US3591059A (en) * 1969-03-10 1971-07-06 Riker Laboratories Inc Metering valve with air shutoff
GB8630100D0 (en) * 1986-12-17 1987-01-28 Weston T E Pressurised metering dispenser
FR2615124B1 (fr) * 1987-05-12 1989-11-24 Valois Valve aerosol doseuse a propulseur, utilisable en position inversee

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003662A (en) * 1959-09-14 1961-10-10 Meshberg Philip Device and method for dispensing material under pressure of an immiscible gas
US3250444A (en) * 1964-09-10 1966-05-10 Seary Ltd Metering button valve construction
EP0101157A2 (de) * 1982-08-06 1984-02-22 Neotechnic Engineering Limited Aerosolventil
DE8713851U1 (de) * 1986-10-15 1988-02-11 Glaxo Group Ltd., London, Gb

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030607A1 (en) * 1994-05-06 1995-11-16 Minnesota Mining And Manufacturing Company Metered dose aerosol valve with agitator
US5593069A (en) * 1994-05-06 1997-01-14 Minnesota Mining And Manufacturing Company Aerosol valves with movable agitator
GB2312418A (en) * 1996-04-26 1997-10-29 Bespak Plc Valves for dispensers
FR2776741A1 (fr) 1998-03-30 1999-10-01 Valois Sa Valve doseuse amelioree
WO1999050156A1 (fr) 1998-03-30 1999-10-07 Glaxo Group Limited Valve doseuse
FR2798367A1 (fr) 1999-09-15 2001-03-16 Valois Sa Joint de soupape pour valve doseuse
WO2001019701A1 (fr) 1999-09-15 2001-03-22 Valois S.A. Joint de soupape pour valve doseuse
WO2017162972A1 (fr) 2016-03-23 2017-09-28 Aptar France Sas Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve
FR3049275A1 (fr) * 2016-03-23 2017-09-29 Aptar France Sas Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve
CN108778957A (zh) * 2016-03-23 2018-11-09 阿普塔尔法国简易股份公司 计量阀和包括这种阀的流体产品分配装置
US10745189B2 (en) 2016-03-23 2020-08-18 Aptar France Sas Metering valve and fluid product dispensing device comprising such a valve

Also Published As

Publication number Publication date
DE69203591D1 (de) 1995-08-24
JPH05254578A (ja) 1993-10-05
FR2670139B1 (fr) 1993-12-24
EP0551782B1 (de) 1995-07-19
DE69203591T2 (de) 1996-04-11
US5169038A (en) 1992-12-08
FR2670139A1 (fr) 1992-06-12
JP3467629B2 (ja) 2003-11-17

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