EP0715594B1 - Aerosolventil - Google Patents

Aerosolventil Download PDF

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Publication number
EP0715594B1
EP0715594B1 EP93919233A EP93919233A EP0715594B1 EP 0715594 B1 EP0715594 B1 EP 0715594B1 EP 93919233 A EP93919233 A EP 93919233A EP 93919233 A EP93919233 A EP 93919233A EP 0715594 B1 EP0715594 B1 EP 0715594B1
Authority
EP
European Patent Office
Prior art keywords
valve
housing
product
passage
ball
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
EP93919233A
Other languages
English (en)
French (fr)
Other versions
EP0715594A1 (de
Inventor
Louis J. Pericard
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.)
Deutsche Prazisions-Ventil GmbH
Deutsche Prazisions Ventil GmbH
Original Assignee
Deutsche Prazisions-Ventil GmbH
Deutsche Prazisions Ventil GmbH
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 Deutsche Prazisions-Ventil GmbH, Deutsche Prazisions Ventil GmbH filed Critical Deutsche Prazisions-Ventil GmbH
Publication of EP0715594A1 publication Critical patent/EP0715594A1/de
Application granted granted Critical
Publication of EP0715594B1 publication Critical patent/EP0715594B1/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
    • B65D83/48—Lift valves, e.g. operated by push action
    • 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
    • B65D83/56—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 with means for preventing delivery, e.g. shut-off when inverted
    • B65D83/565—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 with means for preventing delivery, e.g. shut-off when inverted the delivery-preventing means being responsive to the orientation of the container

Definitions

  • This invention relates to an improved aerosol valve system according to the preamble of claim 1, whereby flow through the discharge conduit is terminated when the aerosol container is sufficiently rotated away from an acceptable discharge orientation that gaseous phase propellant is discharged rather than the desired product. More particularly, the invention relates to any aerosol valve system having a principal product flow valve and a ball valve shut-off valve disposed in the product flow path which terminates through the product flow path during unacceptable orientation of the aerosol container and a mechanism for equalizing the pressure on each side of the ball valve such that the ball will promptly dislodge from its valve seat and return to its unseated position upon closing of the principal valve and the return of the aerosol container to an acceptable orientation.
  • Aerosol containers generally comprise a valve unit mounted in the opening of the aerosol container, the valve unit having a gasketed hollow valve stem and integral valve body which reciprocates within the valve housing upon application of finger pressure and return spring pressure to open (discharge) and closed positions.
  • Extending from the base of the valve housing is a product eduction tube, commonly referred to as a dip tube.
  • Product is discharged by applying finger pressure through an actuator, atop the valve stem, to depress the valve stem and thereby open the valve; the product passing through the dip tube into the valve housing and then through the hollow valve stem to the discharge orifice.
  • the dip tube extends to the bottom of the container and is usually curved such that during discharge of the product, the dip tube will remain immersed in the product, usually liquid, to be discharged.
  • aerosol containers have been provided with valve systems wherein a gravity-actuated member moves to close a valve in the discharge path of the product when the orientation of the aerosol container reaches the point of propellant gas discharge.
  • a gravity-actuated member moves to close a valve in the discharge path of the product when the orientation of the aerosol container reaches the point of propellant gas discharge.
  • a ball valve which will move by gravity to a valve seat and shut-off flow through the product discharge conduit.
  • Illustrative of such product shut-off systems is the aerosol system disclosed in French Patent Application 2,680,161.
  • French Patent Application 2,680,161 attempts to obviate the problem of unseating the ball from its valve seat by providing a micro-orifice in the top surface of the valve housing that communicates at one end with the interior of the container and at the other end with the interior of the valve housing, and, consequently with the downstream side of the ball valve. See Fig. 1 and Fig. 2 of the French application.
  • a micro-orifice is disposed in the sidewall of the main valve housing. See Figures 5-7 of the French application.
  • the micro-orifice (F) is isolated from the product discharge conduit when the main product discharge valve is moved to an open position and product discharge ensues.
  • the micro-orifice (F) allows transmission of the container pressure to the downstream side of the ball valve and thereby equalizes the pressure on opposite surfaces of the ball valve with the consequent movement of the ball to its normal position when the container is disposed in an upright position.
  • Figs. 1 and 2 of the French application has been found to be an unsatisfactory solution for reason that the micro-orifice F is, in an unacceptable number of instances, closed by the gasket when the principle product flow valve is closed and thus the pressure on the downstream side of the ball valve is not in communication with the pressure within the container. As a result, pressure equalization on each side of the ball valve is not attained and the ball remains lodged on the valve seat. It is believed that the micro-orifice F of Figs.
  • United States Patent No. 4,116,370 is illustrative of aerosol valve systems having a vapor tap in the housing for allowing passage and blending of gaseous propellant and product within the valve housing to enhance the spray characteristics of the discharged product and more specifically, a secondary valve mechanism, for example, a ball valve, to provide a shut-off of the vapor tap orifice in the valve housing when the aerosol container is in an inverted position.
  • a secondary valve mechanism for example, a ball valve
  • United States Patent No. 3,018,023 describes an aerosol dispensing system having a product shut-off system wherein a spray-based piston is disposed in the product flow path such that the piston moves to close a port in the product flow path during inversion of the container.
  • a spray-based piston is disposed in the product flow path such that the piston moves to close a port in the product flow path during inversion of the container.
  • the gaseous propellant enters the space between the tubular body 17 and the cylinder 21 through inlet 18.
  • the gaseous propellant then passes through ports or apertures 27 and capillary tubes 34, tubes 34 being pervious to gas and impervious to liquid, to provide a pressure on the back side of the piston equal to the container pressure with the consequence that the sprint 32 expands and moves the piston to close off the outlet port 19.
  • Venting of the gaseous propellant through capillary tube 35 and opening of the principal product flow valve with the container in an upright position subjects the top side of the piston to the pressure of the product and effects a collapse of
  • valve assembly In an aerosol valve system having a ball valve disposed in the product flow path to shut off product flow when the aerosol container is sufficiently rotated to cause gaseous propellant to move through the product flow path, the valve assembly according to claim 1 provides an improvement in the pressure equalization structure for unseating and returning the ball to a normally occupied position by the ball in the product discharge flow path when the aerosol container is in an upright position.
  • the aerosol valve assembly of the present invention includes the conventional components of a valve housing, valve body and attached valve stem, spring means and a ball valve disposed in the product discharge path, the housing being configured to be permanently affixed to a mounting cup in a manner well known to those skilled in the art.
  • the present invention provides a passage through the valve housing which is, at least in part, isolated from contact with the underside of the gasket when the principal product flow valve is in the closed position and which passage is sufficiently proximate to the gasket that the radially interior terminus of the passage will be sealed by the gasket when the principal product flow valve is in the open position; the said passage having its radially outer terminus communicating with the interior of the aerosol container and its radially inner terminus communicating with the interior of the valve housing and consequently with the downstream side of the ball valve.
  • the prior art French Patent Application No. 2,680,161
  • the gasket may seal either or both termini of the micro-orifice F.
  • the passage is sufficiently remote from the gasket that at least a portion of the outer terminus of the passage is constantly open to the inside of the aerosol container.
  • the passage is sufficiently proximate to the gasket that the inner terminus of the passage is sealed when the principal valve is open and the gasket deflected, and at least a portion of the inner terminus is constantly open when the principal valve is in a closed position.
  • the valve housing of this invention has one or more peripheral slots disposed on the upper sidewall of the valve housing, said slot(s) extending downwardly along the sidewall of the housing beneath the crimp zone between the valve housing and the mounting cup.
  • the housing has an upstanding annular wall radially interior to its peripheral sidewall, which interior upstanding sidewall compresses the gasket and provides a sealing force against container leakage between the valve housing and gasket.
  • valve housing has a passage extending at its outer terminus from a slot in the peripheral sidewall of the valve housing and at the inner terminus with a space between the underside of the gasket and the top surface of the valve housing radially within the upstanding interior wall; the said passage being remote from the gasket when the principal valve is in the closed position to provide an open flow passage between the gaseous phase of the aerosol container and the interior of the valve housing and being sufficiently proximate to the gasket at its inner terminus such that upon opening the principal product flow valve a sealing of the inner terminus of the passage by the gasket will be effected.
  • Fig. 1 is a longitudinal sectional view, with limited perspective, of the valve assembly of the present invention, absent the dip tube, with the principal valve in closed position and an unsealed pressure equalization passage.
  • Fig. 1(a) is an enlarged sectional view of the encircled portion of Fig. 1.
  • Fig. 2 is a longitudinal sectional view, with limited perspective, of the valve assembly of this invention with the principal valve in an open position, a truncated dip tube, and with the radially internal terminus of the pressure equalization passage sealed.
  • Fig. 2(a) is an enlarged sectional view of the encircled portion of Fig. 2.
  • Fig. 3 is a longitudinal sectional view, with limited perspective, of a further embodiment of the valve assembly of this invention, absent the dip tube, with the principal valve in the closed position and an unsealed pressure equalization passage.
  • Fig. 3(a) is an enlarged sectional view of the encircled portion of Fig. 3.
  • Fig. 4 is a longitudinal sectional view, with limited perspective, of a further embodiment of the valve assembly of this invention with the principal valve in an open position, a truncated dip tube and with the radially internal terminus of the pressure equalization passage sealed.
  • Fig. 4(a) is an enlarged sectional view of the encircled portion of Fig. 4.
  • Fig. 1 is a longitudinal sectional view of the valve assembly of the present invention.
  • This valve assembly is crimped in a manner well known to those skilled in the art to the pedestal portion (not shown) of a mounting cup (not shown), which mounting cup is clinched in a manner well known to those skilled in the art to an aerosol container bead defining the opening of the container.
  • the valve assembly of Fig. 1 is generally designated as 10.
  • the assembly comprises a valve housing 12 having a ball valve chamber 14 extending from the base 16 of the housing 12.
  • the chamber 14 has an opening 18 through its length of sufficient diameter to receive a ball 20; the chamber 14 at its terminus contiguous to base 16 of the housing 12 having an opening 22 in the shape of a truncated cone to provide a valve seat 24 for the ball 20 when the valve assembly is sufficiently inverted to effect a gravitational movement of the ball 20 to a position abutting the valve seat 24.
  • Ball 20 is shown in phantom in Figures 1-4 abutting the ball valve seat 24.
  • valve seat 24 This is the position of the ball 20 when the aerosol container is sufficiently inverted to cause the ball 20 to move by gravitational force toward the valve seat 24.
  • Extending from the valve seat 24 is a cylindrical portion 25 which opens into a recess 27 in the base of the valve housing 12.
  • Disposed radially exterior to the recess 27 and extending circumferentially about the interior of the valve housing 12 are a plurality of spaced apart projections 29 for receiving the lower end of a spring 62.
  • Ports 26 are provided in the sidewall of the chamber 14.
  • annular flange 28 extends outwardly from the upper portion of chamber 14; the purpose of the flange 28 being to provide a gripping surface for the dip tube 32 (shown in Figs.
  • a plug 35 having a segmented circumferential shoulder 36 is inserted in the bottom end 38 of the chamber 14.
  • the plug 35 further has a hollow recess 40 terminating at its innermost portion in a frusto-conical surface 42.
  • valve body 43 Disposed for reciprocal movement within the valve housing 12 is a valve body 43 having an integral hollow valve stem 44.
  • the valve stem 44 has an entry orifice 46.
  • a resilient deflectable gasket 48 Encircling the entry orifice 46 is a resilient deflectable gasket 48 which is disposed in a recess 50 bounded circumferentially by an upstanding wall 52, which wall 52 extends outwardly and upwardly from the upper sidewall 54 of the housing 12, and the top surface 53 of the valve housing 12.
  • the upstanding wall 52 is circumferentially segmented to provide a plurality of openings or slots 56 which extend from the top 58 of the upstanding wall 52 through the clinch zone 60 whereat the mounting cup (not shown) is attached to the valve assembly 10.
  • An inner annular wall 64 extends upwardly from the top surface 53 of the valve housing 12, as best shown in Figures 1(a), 2(a), 3(a) and 4(a).
  • a conduit 65 communicates at one end with the slot 56 and at the other end with the space 68 above the opening 70 between the valve housing 12 and the valve body 43.
  • a spring 62 is disposed between the base of the valve body 43 and the base of the valve housing 12.
  • the structure of the valve housing described herein, absent the conduit 65, is more fully described and shown in German Patent No. 2,559,444; the specification of which is hereby incorporated into and made a part of the subject specification.
  • Fig. 1(a) components shown are similarly numbered as in Fig. 1 and represent the component as described herein in the discussion of Fig. 1.
  • Fig. 2 has the same components as Fig. 1 except that a truncated dip tube 32 is shown in place on the chamber 14. All other components are as described herein in the discussion of Fig. 1 and as shown in Fig. 1 except the principal valve is shown in open position and the radially inward terminus of the conduit 65 is sealed by the deflecting gasket 48.
  • valve stem 44 and the integral valve body 43 In operation, to discharge product when the container is in an acceptable orientation, the valve stem 44 and the integral valve body 43 is depressed thereby deflecting the gasket 48 away from the entry orifice 46 in the valve stem 44. As a consequence, pressure within the container (not shown) will force product through the dip tube 32, through the space 34 between the inner surface of the dip tube 32 and the outer surface of the chamber 14, then through the ports 26 into the interior of the housing 12 and ultimately through the entry orifice 46, the hollow valve stem 44 and the discharge nozzle (not shown) located in an actuator or button (not shown).
  • the ball 20 During discharge of the product with the container disposed in an upright or other acceptably oriented position, the ball 20 will not seat on the valve seat 24 and thus product will continue to flow and be discharged from the aerosol container.
  • valve stem 44 and valve body 43 are depressed or actuated to release product from the container, the inner terminus of the conduit 65 is sealed by the deflected gasket 48 from communication with space 68, thereby precluding passage of gaseous phase propellant from the container to the interior of the housing 12 and the discharge orifice of the container (not shown).
  • the principal product flow valve is closed, whereupon the gasket 48 will return from the position shown in Figure 2 to that shown in Figure 1 and encircle and seal the valve stem orifice 46.
  • the gasket 48 is removed from the inner terminus of the conduit 65 and the conduit 65 is able to transport the gaseous phase of the propellant in the aerosol container to the interior of the valve housing, and consequently, to the downstream side of the ball valve to provide an equalization of the pressure on each side of the ball valve.
  • the equalization of the pressure on each side of the ball valve results in, when the aerosol container is moved to a sufficiently upright position, the ball 20 dislodging from the valve seat 24 and returning to a position at the base of the chamber 18.
  • conduit 65 Absent the conduit 65, the pressure on the upstream side of the ball 20 would normally be greater than on the downstream side of the ball 20 with the consequence that the ball 20 tends to be held against the valve surface 24 and product flow, even with the container in an upright position, is thwarted.
  • conduit 65 by providing the conduit 65, pressure equalization is attained on each side of the ball valve and the ball is returned by gravitational forces to its unseated position.
  • the components are the same as shown in Figs. 1, 1(a), 2, and 2(a), respectively, except that the conduit 65 of Figs 1, 1(a), 2 and 2(a) is a slot 72 which extends from the peripheral slot 56 through the sidewall of the valve housing 12, the upstanding interior wall 64 and a portion of the upper surface of the valve housing 12 radially within the upstanding interior wall 64.
  • the slot 72 functions as does the conduit 65 to provide a passage communicating the interior of the aerosol container and the product flow path conduit when the principal product flow valve is closed to thereby equalize the pressure on both sides of the ball valve situated in the product flow conduit.
  • conduit 65 having a diameter of 0.33 to 0.51 mm (.013-020 inches) will provide a sufficient pressure on the downstream side of the ball valve to cause a dislodgement and return of the ball when the container is in an upright position.
  • a slot 72 having its smallest dimension comparable in area to the conduit 65 is satisfactory.

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  • 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)

Claims (6)

  1. Aerosolventilanordnung mit
    einem Ventilgehäuse (12), das für eine dauerhafte Befestigung an einer Befestigungsmanschette geeignet ist und einen hohen inneren, ringförmigen Wandabschnitt (64) zum Zusammendrücken einer Ventildichtung aufweist,
    einem Stoffstrom-Hauptventil (46, 48) mit einem Ventilkörper (43) mit einem daran angebrachten und in dem Ventilgehäuse (12) angeordneten Ventilschaft (44), wobei der Ventilschaft (44) hohl ist und eine Aussparung mit einer seitlichen Produkt-Einlaßöffnung (46) aufweist, wobei die Aussparung durch eine obere Schulter definiert ist, die an die Oberseite einer durchbiegbaren Dichtung (48) angrenzt, die in der Ventilschaft-Aussparung in einer die Produkt-Einlaßöffnung (46) abdichtenden Weise angeordnet ist, wenn das Hauptventil (46, 48) in geschlossener Stellung ist, wobei sich die Dichtung (48) über die Oberseite (53) des Ventilgehäuses (12) erstreckt und nach unten und radial nach außen gebogen ist, wenn das Hauptventil (46, 48) geöffnet ist,
    einem Produkt-Auslaßrohr (32) zum Übertragen der Behälterinhalte in das Innere des Ventilgehäuses (12), und
    einem in dem Stoffstrom-Pfad der Ventilanordnung angeordneten Kugelventil (20, 42), wobei das Kugelventil (20, 42) offen ist, wenn der Behälter für den Auslaß des Produktes ausgerichtet ist, und geschlossen ist, wenn der Einlaß des Produkt-Auslaßrohres (32) sich in der Gasphase der Behälterinhalte befindet,
    gekennzeichnet durch
    einen Durchgang (65, 72), der sich durch die Seitenwand des Ventilgehäuses von dessen Außenseite und durch eine Oberseite des Ventilgehäuses (12) heraus erstreckt, wobei die Oberseite sich im Inneren des hohen Wandabschnittes (64) des Ventilgehäuses (12) befindet, wobei die Endpunkte des Durchganges (65, 72) von der Dichtung (48) entfernt sind, wenn das Hauptventil geschlossen ist, um einen konstant geöffneten Durchgang (65; 72) vorzusehen, und der innere Endpunkt des Durchganges (65; 72) ausreichend nahe an dem durchbiegbaren Abschnitt der Dichtung (48) liegt, wenn das Hauptventil geöffnet ist, so daß der innere Endpunkt des Durchganges (65; 72) abgedichtet wird.
  2. Ventilanordnung nach Anspruch 1,
    dadurch gekennzeichnet, daß
    das Ventilgehäuse einen am Umfang angeordneten Schlitz (56) aufweist, der sich entlang der Seitenwand (54) des Gehäuses (12) oberhalb und unterhalb einer Crimpzone (60) auf dem Gehäuse (12) erstreckt.
  3. Gehäuseanordnung nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, daß
    der Durchgang ein Kanal (65) ist.
  4. Ventilanordnung nach Anspruch 3,
    dadurch gekennzeichnet, daß
    der Kanal (65) eine diagonale Bohrung ist, die sich von einem unteren Endpunkt an der Umfangswand zu einem oberen Endpunkt an der radialen Innenwand verläuft.
  5. Ventilanordnung nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, daß
    der Durchgang ein Schlitz (72) durch die Seitenwand (54) des Gehäuses (12), die hohe Innenwand (64) des Gehäuses (12) und jene Oberseite des Gehäuses (12) ist, die innerhalb der hohen Innenwand (64) liegt.
  6. Ventilanordnung nach Anspruch 5,
    dadurch gekennzeichnet, daß
    der Schlitz (72) durch die Seitenwand (54) des Gehäuses (12) wie ein rechtwinkeliges Dreieck angeordnet ist, dessen Hypotenuse von einem unteren Endpunkt an der Umfangswand zu einem oberen inneren Endpunkt verläuft.
EP93919233A 1993-08-31 1993-08-31 Aerosolventil Expired - Lifetime EP0715594B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG1996007581A SG43960A1 (en) 1993-08-31 1993-08-31 An improved aerosol valve
PCT/EP1993/002356 WO1995006606A1 (en) 1993-08-31 1993-08-31 An improved aerosol valve

Publications (2)

Publication Number Publication Date
EP0715594A1 EP0715594A1 (de) 1996-06-12
EP0715594B1 true EP0715594B1 (de) 1997-10-22

Family

ID=26070057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93919233A Expired - Lifetime EP0715594B1 (de) 1993-08-31 1993-08-31 Aerosolventil

Country Status (6)

Country Link
EP (1) EP0715594B1 (de)
AU (1) AU4955893A (de)
DE (1) DE69314814T2 (de)
ES (1) ES2107680T3 (de)
SG (1) SG43960A1 (de)
WO (1) WO1995006606A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2739086B1 (fr) * 1995-09-21 1997-11-14 Oreal Valve pour pulverisateur et pulverisateur ainsi equipe
US5690256A (en) * 1996-05-06 1997-11-25 Summit Packaging Systems, Inc. Aerosol valve having mechanism to reset flow shutoff if valve is tipped beyond a certain inclination from vertical
GB9626960D0 (en) 1996-12-27 1997-02-12 Glaxo Group Ltd Valve for aerosol container
US6047946A (en) 1998-02-27 2000-04-11 Precision Valve Corporation Blocking structure for preventing actuation of a valve for pressurized containers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018023A (en) * 1959-02-27 1962-01-23 Rudolph D Talarico Fluid dispensing apparatus
US3583606A (en) * 1969-10-20 1971-06-08 Pittway Corp Self-cleaning valve
US4116370A (en) * 1976-12-27 1978-09-26 Spitzer Joseph G Vapor tap valve for aerosol containers used with flammable propellants
GB1600419A (en) * 1978-05-09 1981-10-14 Metal Box Co Ltd Valve for a pressurised aerosol dispensing container
FR2429950A1 (fr) * 1978-06-27 1980-01-25 Oreal Valve pour la distribution d'un liquide pressurise
FR2680161B1 (fr) * 1991-08-07 1993-11-05 Oreal Valve pour recipient pressurise du type bidon aerosol, et recipient pressurise equipe d'une telle valve.

Also Published As

Publication number Publication date
DE69314814T2 (de) 1998-03-19
DE69314814D1 (de) 1997-11-27
AU4955893A (en) 1995-03-22
EP0715594A1 (de) 1996-06-12
ES2107680T3 (es) 1997-12-01
WO1995006606A1 (en) 1995-03-09
SG43960A1 (en) 1997-11-14

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