EP0285472A1 - Dosierkopf für unter Druck stehende Behälter mit kontinuierlichem Ventil - Google Patents

Dosierkopf für unter Druck stehende Behälter mit kontinuierlichem Ventil Download PDF

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Publication number
EP0285472A1
EP0285472A1 EP88400494A EP88400494A EP0285472A1 EP 0285472 A1 EP0285472 A1 EP 0285472A1 EP 88400494 A EP88400494 A EP 88400494A EP 88400494 A EP88400494 A EP 88400494A EP 0285472 A1 EP0285472 A1 EP 0285472A1
Authority
EP
European Patent Office
Prior art keywords
dosing
valve
head according
central
continuous
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
EP88400494A
Other languages
English (en)
French (fr)
Other versions
EP0285472B1 (de
Inventor
Catherine Suck
Pierre Bret
Jacques Pozzi
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.)
Promotion Recherche et Innovation Technologique Ste
Original Assignee
Promotion Recherche et Innovation Technologique Ste
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 Promotion Recherche et Innovation Technologique Ste filed Critical Promotion Recherche et Innovation Technologique Ste
Priority to AT88400494T priority Critical patent/ATE70020T1/de
Publication of EP0285472A1 publication Critical patent/EP0285472A1/de
Application granted granted Critical
Publication of EP0285472B1 publication Critical patent/EP0285472B1/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
    • B65D83/546—Metering valves ; Metering valve assemblies the metering occurring at least partially in the actuating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/86702—With internal flow passage

Definitions

  • the invention relates to a dosing head for pressure vessels with continuous valve.
  • This insert has a passage connecting the hollow stem of the continuous valve to a metering chamber which is itself connected by another passage to the expulsion nozzle.
  • a valve whose closure is caused by the pressure of the finger on the valve head, and the opening by the release of this pressure.
  • all the elements of the dosing cap are made of rubber, that is to say deformable in all directions, it is quite difficult to obtain on the one hand a regular dosage, on the other hand a good efficiency of the valve.
  • the production of the valve is delicate, as is that of the metering chamber with a movable wall.
  • An object of the invention is to provide a dosing head which adapts in a simple and removable manner to a pressure vessel, with continuous valve.
  • Another object of the invention is to propose a dosing head which is particularly simple to produce, and therefore inexpensive.
  • the invention relates to a dosing head for pressure vessels with continuous valve, in which is provided a cup having a central plate provided with an axial orifice for the continuous valve, of the type comprising a dosing bell with an elastic membrane and a membrane support with a central foot traversed by an axial passage, and a sheath-tip, characterized in that said axial passage of the central foot of the membrane support has a seat valve which comes to apply directly or indirectly on the continuous valve to fill the dosing bell during the dosing phase, and which deviates from it to connect the dosing bell to the nozzle during the expulsion phase.
  • cup 1 which constitutes the upper part of a pressure vessel not shown.
  • This cup has a central plate 2, an annular flange 3 and, between the two, an annular groove 4.
  • the central plate 2 is pierced with an axial orifice to allow the hollow rod 5 of the continuous valve placed in the container to protrude.
  • a seal 7 is arranged between the central plate 2 and the body 6 of the continuous valve.
  • the rod 5 is biased towards the outside of the container by a spring 8. It has a blind axial passage 9 opening to the outside at its upper end, and a radial bore 10 opening into the axial passage 9.
  • the bore 10 is closed by the seal 7. If the rod 5 is pressed, thus compressing the spring 8, the bore 10 is passed under the seal 7 and the pressurized liquid contained in the container can escape to the outside through the hole 10 and the axial passage 9.
  • the dosing head according to the invention is fitted to the rod 5.
  • This dosing head comprises the following elements: a bell dispenser 11 defining the volume of the liquid to be dispensed; a rubber or elastomer membrane 12, acting as an elastic wall of the metering chamber; a membrane support 13; and a sheath-nozzle 17.
  • the membrane support 13 is fixed, by snap-fastening for example, in the dosing bell 11; it has a central foot 14 provided with an axial passage 15 ending at its base in the form of a valve seat 16. Beyond the valve seat 16, the central foot 14 is extended by fingers 18.
  • the foot central 14 carries at its periphery an annular rib 19, of triangular section for example, on which the sheath-end piece 17 is snapped in.
  • the sheath-end piece 17 consists of: a central cylindrical chamber 20 surrounding the central foot 14 of membrane support 13; a radial end piece 21; and a cylindrical sheath or skirt 22 long enough for its free edge to slide under the collar 3 so as to hold the dosing head in place on the container.
  • the free edge of the sheath 22 has an outer rib 23.
  • the sheath 22 also carries, on the outside, a tear-off tongue 24, which serves as a stop on the flange 3 to prevent the head from being pushed in. dosage. When this safety tab is removed, the dosing head can be actuated.
  • the central chamber 20 has an annular bottom 25, through which the rod 5.
  • a seal 26 on which the fingers 18 are supported is disposed in the chamber 20, and resting on the bottom 25, a seal 26 on which the fingers 18 are supported. Therefore, the seal 26 slides tightly on the valve stem 5.
  • the bottom 25 of the chamber 20 outside carries two arcs 27, the free end of which rests on the central plate 2 of the cup 1 and which act as springs to accompany the upward movement of the dosing head, when the pressure of the finger is removed.
  • the operation of the dosing head according to the invention is as follows. First of all, the dosing head is placed on the container provided with its continuous hollow rod valve 5. This positioning is done by light pressure on the bell 17, so that the outer rib 23 which borders the sheath 22 crosses the collar 3. The corresponding downward movement of the metering head is stopped by the safety tab 24 which abuts on the collar 3. During this positioning of the metering head, the seal seal 26 has come to slide on the hollow rod 5, as shown in FIG. 1.
  • the bell 11 Before using the dosing head, remove the tear-off tab 24. If the bell 11 is then pressed, the valve seat 16 is applied to the end of the rod 5, then pushes this rod in. compressing the spring 8 until the radial bore 10 passes under the seal 7. The pressurized liquid which is in the container then rises through the radial bore 10, the axial passage 9 of the rod 5, and the axial passage 15 of the central leg 14 of the membrane support 13, and pushes the elastic membrane 12 which is applied against the bell 11. For the metering to be precise, the bell 11 has vents 36.
  • valve seat 16 which is supported on the rod 5 prevents any passage of the pressurized liquid towards the nozzle 21.
  • the spring 8 causes the rod 5 to rise up until the radial bore 10 is closed by the seal 7, thus closing the container.
  • the arcs 27 help to return the dosing head upwards, until the rib 23 comes into abutment under the flange 3.
  • the valve seat 16 moves away from the end of the rod 5, opening the passage to the end piece 21.
  • the liquid under pressure contained in the bell 11 can then escape, by relaxing, through the end piece 21.
  • the elastic membrane 12 returns to its initial position and contributes to the expulsion of the liquid.
  • the product in the container is in liquid form and is under pressure.
  • the dosing phase that is to say filling the dosing bell, it remains under pressure and in liquid form.
  • the product is brought to atmospheric pressure and can then be in a form other than liquid. It is thus possible to expel an aerosol, a foam, or a cream for example.
  • a foaming product a liquid dosage is carried out and a foam is distributed whose volume, or quantity, is proportional to the volume of the bell.
  • FIG. 2 there is shown a cup 1 identical to that of Figure 1, but mounted on a container equipped with a continuous valve of female type, that is to say having no hollow rod 5 like that of FIG. 1.
  • a connector 30 such as that shown in FIG. 2.
  • This connector 30 is presented as hollow rod, the head of which, housed in the cylindrical chamber 20, has a peripheral rib 32 ensuring its retention above the joint 26.
  • the connector 30 carries a disc 31 on which the arches 27 come to bear.
  • the connector 30 is provided with an axial passage 33 passing completely through it, and it has at least one notch 34 at its lower end.
  • valve seat 16 When the bell 11 is pressed, the valve seat 16 is applied to the end of the fitting 30 and pushes this fitting which compresses the spring 8 and pushes the piston 35 of the valve away from the seal 7.
  • the pressurized liquid then passes through the notches 34 of the fitting 30, through its axial passage 33, through the axial passage 15 of the membrane support 13 and will lift the membrane 12 and fill the bell 11.
  • the spring 8 pushes the piston 35 and the connector 30 and closes the container, then the arcs 27 push the head back metering relative to the connector 30, which separates the valve seat 16 from the end of the connector 30 and allows the exhaust.
  • the sheath-tip 17 is not integral with the central foot 14 of the membrane support 13.
  • the fingers 18 and the annular rib 19 have been removed, to allow a relative movement of the central leg 14 relative to the sheath-end piece 17.
  • the arcs 27 are eliminated and to ensure the upward return of the dosing bell, at least one arc 37 is disposed under the membrane support 13, and bearing on the sheath 17.
  • the cylindrical chamber 20 extends upwards and has an annular rib 39 towards the outside, intended to snap onto an annular rib 40 extending inwards and carried by a cylindrical skirt 41 carried by the membrane support 13.
  • the central leg 14 carries an annular shoulder 42 serving to support a joint 38 ensuring the seal between the central leg 14 and the cylindrical chamber 20.
  • the skirt 22 of the sheath-tip 17 rises above the hollow rod 5 of the continuous valve.
  • the sheath 17 has a disc 43 which bears on the hollow rod 5.
  • This disc 43 carries a cylindrical sleeve 44 extending downward and which is fitted on the hollow rod 5, to ensure a tight connection between the hollow rod 5 and the sheath-end piece 17.
  • the central part of the disc 43 is provided a central passage 45 which corresponds to the central passage 9 of the hollow rod 5.
  • a truncated cone 46 intended to cooperate with the valve seat 16 of the central leg 14.
  • valve seat 16 is applied indirectly to the continuous valve, and the operation of the dosing head is only modified by the relative stroke of the dosing bell 11 and the sheath-nozzle 17, on the one hand up to that the valve seat 16 is applied to the truncated cone 46 before dosing, and on the other hand when it deviates from it after dosing and during expulsion.
  • FIG. 4 it can be seen that the dosing head of FIG. 3 has been adapted to the case of a continuous female type valve, like that of FIG. 2.
  • the cylindrical sleeve 44 has been extended downwards until lean on the valve body 35. It has at its base at least one notch 34. The operation is the same as for the case of FIG. 3.
  • Figure 5 is shown an alternative embodiment of the seal on the hollow rod of Figure 1.
  • the seal 26 is removed.
  • the fingers 18 extend to the bottom 25 of the cylindrical chamber 20.
  • the bottom 25 has a lip 47, annular, molded, which rubs on the rod 5 to ensure the seal.
  • seal 38 provided on the central leg 14 in the case of FIGS. 3 and 4 can be replaced by a lip molded, carried by the outer edge of the shoulder 42, and the like. the lip 47 of FIG. 5.
  • the dosing head according to the invention has several advantages among which it may be noted: - the limited number of components, allowing automated manufacturing; - apart from the seals 26, 38 and the membrane 12, the other components are made of molded plastic; - immediate adaptability to continuous male and female valves.

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)
  • Coating Apparatus (AREA)
  • Basic Packing Technique (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Closures For Containers (AREA)
EP88400494A 1987-03-25 1988-03-02 Dosierkopf für unter Druck stehende Behälter mit kontinuierlichem Ventil Expired - Lifetime EP0285472B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88400494T ATE70020T1 (de) 1987-03-25 1988-03-02 Dosierkopf fuer unter druck stehende behaelter mit kontinuierlichem ventil.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8704180 1987-03-25
FR8704180A FR2612889B1 (fr) 1987-03-25 1987-03-25 Tete de dosage pour recipients sous pression a valve continue

Publications (2)

Publication Number Publication Date
EP0285472A1 true EP0285472A1 (de) 1988-10-05
EP0285472B1 EP0285472B1 (de) 1991-12-04

Family

ID=9349430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88400494A Expired - Lifetime EP0285472B1 (de) 1987-03-25 1988-03-02 Dosierkopf für unter Druck stehende Behälter mit kontinuierlichem Ventil

Country Status (9)

Country Link
US (1) US4915262A (de)
EP (1) EP0285472B1 (de)
JP (1) JPS63254299A (de)
AT (1) ATE70020T1 (de)
AU (1) AU595441B2 (de)
CA (1) CA1328646C (de)
DE (1) DE3866571D1 (de)
ES (1) ES2028312T3 (de)
FR (1) FR2612889B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2942213A1 (fr) * 2009-02-19 2010-08-20 Lindal France Sas Dispositif de dosage et de distribution pour un flacon pressurise
FR2990421A1 (fr) * 2012-05-10 2013-11-15 Valois Sas Valve de distribution de produit fluide.

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2856992B1 (fr) * 2003-07-04 2007-11-02 Valois Sas Dispositif de distribution de produit fluide.
US20060111688A1 (en) * 2004-11-22 2006-05-25 Kraus Robert G Ventriculostomy reservoir
CA2609486A1 (en) * 2005-05-27 2006-11-30 Yong-Soo Kim Dispenser
CN100424404C (zh) * 2006-10-20 2008-10-08 周飞 一种1000毫升以下制冷剂罐
CN106730180A (zh) * 2016-12-15 2017-05-31 上海华瑞气雾剂有限公司 倒置定量泡沫气雾剂阀门
DE102017118704A1 (de) * 2017-08-16 2019-02-21 Gábor Fazekas Feststoffventile für Druckdosen
PL239416B1 (pl) * 2019-11-20 2021-11-29 Marcin Kadula Układ aerozolowego zaworu dozującego oraz pojemnik zawierający układ aerozolowego zaworu dozującego

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1228739A (fr) * 1959-05-25 1960-09-02 Dispositif à soupape de dosage à bouton
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
FR1572637A (de) * 1966-05-24 1969-06-27
FR2046021A5 (de) * 1969-04-04 1971-03-05 Bret Pierre
EP0125970A1 (de) * 1983-05-05 1984-11-21 Societe De Promotion, Recherche Et Innovation Technologique Dosierventil

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262110A (de) * 1960-03-18
US3278093A (en) * 1964-01-13 1966-10-11 Valve Corp Of America Metering and non-metering aerosol actuator button
US3269615A (en) * 1964-05-27 1966-08-30 Jr Royal T Ferry Aerosol container with metering valve
US3250444A (en) * 1964-09-10 1966-05-10 Seary Ltd Metering button valve construction
BE747841A (fr) * 1969-04-04 1970-08-31 Bret Pierre Dispositif doseur perfectionne

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1228739A (fr) * 1959-05-25 1960-09-02 Dispositif à soupape de dosage à bouton
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
FR1572637A (de) * 1966-05-24 1969-06-27
FR2046021A5 (de) * 1969-04-04 1971-03-05 Bret Pierre
EP0125970A1 (de) * 1983-05-05 1984-11-21 Societe De Promotion, Recherche Et Innovation Technologique Dosierventil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2942213A1 (fr) * 2009-02-19 2010-08-20 Lindal France Sas Dispositif de dosage et de distribution pour un flacon pressurise
FR2990421A1 (fr) * 2012-05-10 2013-11-15 Valois Sas Valve de distribution de produit fluide.

Also Published As

Publication number Publication date
JPS63254299A (ja) 1988-10-20
DE3866571D1 (de) 1992-01-16
AU595441B2 (en) 1990-03-29
ATE70020T1 (de) 1991-12-15
US4915262A (en) 1990-04-10
ES2028312T3 (es) 1992-07-01
EP0285472B1 (de) 1991-12-04
CA1328646C (fr) 1994-04-19
FR2612889B1 (fr) 1989-07-21
FR2612889A1 (fr) 1988-09-30
AU1338988A (en) 1988-09-29

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