US3478933A - Valve and propellant cartridge assembly for pushbutton aerosol dispenser - Google Patents

Valve and propellant cartridge assembly for pushbutton aerosol dispenser Download PDF

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Publication number
US3478933A
US3478933A US699908A US3478933DA US3478933A US 3478933 A US3478933 A US 3478933A US 699908 A US699908 A US 699908A US 3478933D A US3478933D A US 3478933DA US 3478933 A US3478933 A US 3478933A
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United States
Prior art keywords
stem
valve
cartridge
propellant
pushbutton
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
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US699908A
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English (en)
Inventor
Felix Rousselot
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.)
Novartis Corp
Original Assignee
Geigy Chemical Corp
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Publication date
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    • 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
    • B65D83/60—Contents and propellant separated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04—Self-closing valves, i.e. closing automatically after operation

Definitions

  • a valve and cartridge assembly for aerosol type dispensers of fluid products adapted to be attached to a product container for containing the fluid product to be dispensed and accommodate the propellant cartridge within the product container, said assembly comprising a hollow valve stem, a pushbutton actuator on the upper end of said stern and having a nozzle therein communicating with said hollow stem, a cap member adapted to fit over a product container and having an aperture therein through which the hollow stem is movable, a collar depending from the under side of the cap, a valve assembly in the collar comprising two annular flexible gaskets having a rigid ring between them, the inside diameter of the ring being greater than the inside diameter of the gaskets so that the stem which engages the inner peripheries of the gaskets can flex the gaskets when the stem is depressed, a dip tube opening into the assembly and communicating with a flow path for the fluid product through the assembly and the stem, and a propellant cartridge having a mouth held by
  • the present invention relates to an aerosol type dispenser with pushbutton control for fractional distribution, especially in spray form, of various products in a fluid, i.e. liquid or pulverulent solid state, and more particularly to a valve and propellant cartridge assembly therefor.
  • the dispenser is generally of the type comprising an outer or product container containing the product to be distributed, an inner vessel or cartridge containing a propellant gas under pressure, especially in liquefied form, and a three-way valve actuated by the pushbutton and mounted on the outer or product container and having the propellant cartridge mounted thereon.
  • valve when actuated, is to allow the propellant to escape to the outside while aspirating the fluid from the product container by a venturi effect into a suitably fashioned spray nozzle.
  • the valve transmits the suction from the spray nozzle to a tube dipping into the fluid to be dispensed, thus effecting aspiration of the latter.
  • the valve serves to connect the normally closed product container to the atmosphere, to prevent subatmospheric pressure in the product container due to withdrawal of the dispensed product which pressure would interfere with the discharge of the product.
  • the three-way valve thus required comprises a highpressure obturating member in the path of the propellant and low-pressure obturating means in the paths of the product to be dispensed and the venting of the product container to the atmosphere.
  • Dispensers of the kind in question are very convenient 3,478,933 Patented Nov. 18, 1969 to use and very dependable in operation. They provide a fine spray. Furthermore, separation of the stored dispensed product and the liquefied propellant is often advantageous.
  • the chief object of the present invention is to eliminate these disadvantages and shortcomings.
  • the dispenser of the kind referred to above is provided with valve means for three- Way closure, the valve having two elastic packing rings traversed by the stern of the pushbutton. Passages are provided in the valve means for delivery of the product to be dispensed and propellant, respectively, to the spray nozzle.
  • the two gaskets are separated by a rigid ring against which the outer periphery of the gaskets is pressed, the inside diameter of the ring being greater than the inside diameter of the gaskets to allow the gaskets to yield under the action of the stem of the pushbutton.
  • the stack formed by the two gaskets and the spacer ring is housed inside a collar provided on a cap closing the top of the product container, which collar in turn supports the cartridge containing the propellant.
  • the stack is thus imprisoned between the said cap and the mouth of the propellant cartridge held in the collar.
  • the gasket between the mouth of the cartridge and the spacer ring has one face controlling the propellant and the other face controlling the active agent, while the other gasket between the ring and the cap controls the admission of outside air.
  • the stem of the pushbutton has an annular bulge between the two flexible lips of the gaskets, opposite the spacer ring, said control stem, where it passes through the opening in the cap, being smaller in diameter than the cap so as to leave a clearance to let through outside air.
  • the stem of the pushbutton is resiliently urged toward the closed position by a center piece accommodated in the mouth of the propellant cartridge and having a depression therein opening towards the said stem, the annular edge of which depression bears against one of the gaskets around the orifice of the passage provided for the propellant.
  • this center piece may be attached to the neck of the cartridge by spaced flexible fingers acting as springs and fixed at the other end in the neck of the propellant cartridge. If moreover the propellant cartridge is of plastic material, a distributor which will have no metal parts and having only a very small number of parts which need be assembled can be built.
  • FIG. 1 is an axial cross section of the dispenser with the parts in the rest or non-dispersing position
  • FIG. 2 is a sectional view of the upper part of the disepenser of FIG. 1 with the parts in the operating or dispensing position;
  • FIGS. 3, 4 and are sections on lines IIIIII, IV- IV and VV, respectvely, of FIG. 1;
  • FIG. 6 is a sectional view of the valve of FIG. 1 on a larger scale.
  • FIGS. 1 to 6 of the accompanying drawings has been shown as a pushbutton distributor for a product 1 to be dispensed in a liquid or possibly a solid pulverulent form.
  • the product 1 is contained in a product container 2, preferably of plastic material in the present embodiment. l
  • the cap 3 is part of the valve means.
  • an annular collar 4 in which is held the mouth 5 of a propellant cartridge 6.
  • the cartridge 6 is preferably made of highly impermeable plastic material capable of withstanding the pressure of the propellant.
  • the propellant is a chlorofluorinated hydrocarbon
  • the cartridge 6 can be made of acetal resin. This cartridge can be manufactured in one piece by injection or extrusion blowing.
  • the cartridge 6 is made in two parts, in the form shown, and has a fitted bottom part 31 in the form of a hemipshere, fixed by welding to a top part 31a.
  • the top part 31a and the bottom part 31 have beveled edges 32 matching each other. These two parts are welded together along the edges 32 by rotary welding or any other known method.
  • This form of the cartridge 6 makes it possible to modify its size by providing an elongated bottom part corressponding to a longer container 2, while utilizing the same top part 31a.
  • the cartridge 6 is filled with a propellant consisting of a liquefied gas under pressure, schematically indicated at 7.
  • the mouth 5 can be fixed in the collar 4 by bonding or ultrasonic welding of the two parts, providing a completely gas tight joint.
  • the rim 33 on neck 5 is force fitted into the bottom part of the collar 4 and the free end of the collar 4 is hot flanged under the rim 33 of the neck 5.
  • the distributor valve is arranged in the space between the rounded rim 33 of the neck 5 and the inner face of the cap 3, the distributor valve is arranged. It essentially comprises a stack composed of two annular packing rings 11 and 12 (FIG. 6) between which is interposed a spacer ring 13.
  • the inside diameter of the inner opening of the ring 13 is greater than that of the inner openings of rings 11 and 12, leaving flexible lips 15 and 16 on the inner peripheries of the rings.
  • the assembly formed by the gaskets 11 and 12 is traversed by the stem 17 of the pushbutton, which, Where it passes through a hole 18 in the cap 3, has a diameter smaller than hole 18 so as to provide a rather large clearance.
  • the control stem 17 is surmounted by a pushbutton 19 in which is provided the spray nozzle 21, for example of the venturi type.
  • This nozzle 21, in a well known manner, comprises a propellant intake chamber followed by a converging portion 23 and a diverging portion 24 opening to the outside of the button 19.
  • radial passages 25 are provided, to supply the product 1 to be sprayed.
  • the chamber 22 and passages 25 communicate respectively with two passages 26 and 27 extending parallel to each other in the stem 17.
  • the stem has orifices 28 and 29 opening out of passages 26 and 27, respectively, and arranged at right angles to the centerline of the stem 17 and located at different distances from the transverse wall 41 closing the bottom end of stem 17 Further, the stem 17, near the bottom transverse wall 41, has an annular bulge 42 therearound located opposite the ring 13 and engaging between the lips 15 and 16 of the gaskets 11 and 12.
  • the bulge 42 has tapered shoulders 43 and 44 in contact with the lips 15 and 16 respectively.
  • An annular groove 45 is provided above the shoulder 43 and the annular groove 45 has the edge of gasket 12 engaged therein.
  • the orifice 29 of passage 27 opens out of the bulge 42.
  • the stem 17 is held in the position shown in FIG. 1, with the annular bulge 42 urging the gasket 12 against the under side of cap 3.
  • the force is applied to the stem 17 by a center piece 46 in the mouth 5 of the cartridge 6 and attached thereto by a plurality of spaced flexible fingers 47 acting as springs. At rest, these fingers are slightly flexed as shown in FIG. 1. They can be molded in one piece with the cartridge 6.
  • the part of the center piece 46 facing the gasket 12 has a depression therein with a beveled annular edge 48 hearing against the opposing face of gasket 12.
  • the gasket 11 controls not only the passage of propellant in gaseous form to the nozzle 21' by way of passage 26, but also the escape of the product 1 to the nozzle 21 by way of passage 27.
  • the gasket 12 controls the admission of outside air into container 2 through orifice 18, such admission taking place as the container is emptied.
  • the spacer ring 13 has on one of its faces a radial groove 51 and has the corresponding outer edge beveled to define with the gasket 11 and collar 4a truncated conical chamber 52 into which the radial groove 51 opens.
  • a nipple 53 located on the inner periphery of the ring 13 normally closes the inner end of radial groove 51 by engaging the surface of gasket 11.
  • a dip tube 54 extends through the collar 4 of cap 3 into the annular chamber '52 and extends to' the bottom of the container 2.
  • another groove 55 is provided in the under face of cap 3, and at one end opens into an orifice 56 extending through the collar into the interior of container 2, and at the other end is normally closed by a nipple 57 engaging the upper surface of gasket12.
  • the dispenser is completed by an annular collar 58 on the top surface of cap 3 surrounding the opening 18 and serving as a stop for the bottom of the pushbutton 19 when pressed by the user. This stop serves to limit the stroke of the pushbutton stem 17.
  • the collar 56 is provided with notches 59 permitting entry of outside air.
  • the dispenser has a very simple structure, and is easy to assemble. All that is necessary is a simple stacking of the gaskets 11 and 12 and ring 13, insertion into the collar 4, positoning of the cartridge G,
  • the dispenser has no metal parts, so that if it is incinerated when the cartridge 6 has not yet been emptied, and the propellant explodes, there is no risk of dangerous fragmentation.
  • the dispenser is further distinguished by the fact that one of the gaskets (gasket 11) simultaneously performs the functions of a high-pressure obturator means for the propellant and a low-pressure obturator means for the product to be dispensed.
  • the propellant cartridge 6 can be made in one piece, or have a metal envelope if metal is desirable.
  • the assembly consisting of the center piece 46 and flexible fingers 47 might then be replaced by a spring bearing on a perforated disc set in the neck 5 of the cartridge 6.
  • an assembly comprising a cap member adapted to fit over the product container and having an aperture therein, a valve stem having a hollow therein and having a smaller outside diameter than and movable through said aperture in said cap, a pushbutton actuator on the upper end of said stem and having a nozzle therein communicating with said hollow in said stem, an annular collar depending from the cap around said cap aperture, an upper annular gasket, a rigid ring, and a lower annular gasket stacked within said collar, the rigid ring having an inside diameter greater than that of said gaskets, said valve stem having means thereon engaging said gaskets for flexing the inner edges thereof, a propellant cartridge having an upper open end engaged in the lower end of said annular collar between the lower gasket and the bottom of said collar, a center piece resiliently mounted in the mouth of said propellant cartridge and having an annular upwardly extending projection thereon normally engaged with the lower gasket, said valve stem
  • valve assembly as claimed in claim 1 in which the under face of said cap has a groove therein opening out through the outside of the valve assembly and having an obstruction in the end thereof adjacent said stem engaged by the upper surface of said other gasket when the stem is in the undepressed position and disengaged by said upper face when said stem is depressed to open said groove to the space around said stem in said cap opening.
  • a valve assembly as claimed in claim 1 in which said ring has a groove in the lower face thereof into'which said clip tube opens, the end of said groove adjacent the stern having an obstruction therein engaged by the upper face of said lower gasket when the stem is in the undepressed position and disengaged by said upper face when said stem is depressed to open said groove into the space within said ring, said stem having an orifice therein adjacent said space within said ring when said stem is depressed and opening into said fluid product flow path in said stem.
  • a valve assembly as claimed in claim 1 in which spaced flexible fingers extend between said center piece and said cartridge for resiliently mounting said center piece in said cartridge.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US699908A 1967-01-27 1968-01-23 Valve and propellant cartridge assembly for pushbutton aerosol dispenser Expired - Lifetime US3478933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR92713 1967-01-27

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US3478933A true US3478933A (en) 1969-11-18

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US (1) US3478933A (cs)
BE (1) BE709481A (cs)
CH (1) CH477235A (cs)
DE (1) DE1625221A1 (cs)
FR (1) FR1550968A (cs)
GB (1) GB1212064A (cs)
LU (1) LU55303A1 (cs)
NL (1) NL6801204A (cs)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591088A (en) * 1968-12-31 1971-07-06 Green Edward Atomizer sprayhead construction
US3670965A (en) * 1970-06-04 1972-06-20 Ciba Geigy Corp Non pressurized product dispensing system
US3674212A (en) * 1970-07-29 1972-07-04 Ciba Geigy Corp One piece coupler-aspirator-nozzle
US4431119A (en) * 1981-11-19 1984-02-14 Stoody William R Self-cleaning, aerosol valve for separate fluids
US5080266A (en) * 1990-02-02 1992-01-14 Neill Paul J O Self-charging aerosol dispenser for liquids
US5323935A (en) * 1992-02-21 1994-06-28 The Procter & Gamble Company Consumer product package incorporating a spray device utilizing large diameter bubbles
US5507420A (en) * 1990-02-02 1996-04-16 Aervoe-Pacific Company, Inc. Reusable high efficiency propellant driven liquid product dispenser apparatus
WO2008128091A1 (en) 2007-04-12 2008-10-23 Prolitec Inc. Diffusion device with replaceable cartridge
DE102016012650A1 (de) 2016-10-24 2018-04-26 Beiersdorf Ag Mehrkomponentenapplikator
DE102016012651A1 (de) 2016-10-24 2018-04-26 Beiersdorf Ag Mehrkomponentenapplikator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1532270A (fr) * 1966-11-28 1968-07-12 Geigy Ag J R Distributeur à propulseur séparé pour produits en phase fluide
US20060124671A1 (en) * 2004-12-15 2006-06-15 Salemme James L Dispensing multi-component products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888208A (en) * 1956-05-02 1959-05-26 Vaporisateurs Marcel Frank S A Atomizers, in particular perfume atomizers
US3061203A (en) * 1960-09-15 1962-10-30 Kitabayashi Seiichi Device for emitting painting material
US3289949A (en) * 1964-07-09 1966-12-06 Geigy Chem Corp Pushbutton dispenser for products in the fluid state
US3326469A (en) * 1965-12-03 1967-06-20 Precision Valve Corp Spraying dispenser with separate holders for material and carrier fluid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888208A (en) * 1956-05-02 1959-05-26 Vaporisateurs Marcel Frank S A Atomizers, in particular perfume atomizers
US3061203A (en) * 1960-09-15 1962-10-30 Kitabayashi Seiichi Device for emitting painting material
US3289949A (en) * 1964-07-09 1966-12-06 Geigy Chem Corp Pushbutton dispenser for products in the fluid state
US3326469A (en) * 1965-12-03 1967-06-20 Precision Valve Corp Spraying dispenser with separate holders for material and carrier fluid

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591088A (en) * 1968-12-31 1971-07-06 Green Edward Atomizer sprayhead construction
US3670965A (en) * 1970-06-04 1972-06-20 Ciba Geigy Corp Non pressurized product dispensing system
US3674212A (en) * 1970-07-29 1972-07-04 Ciba Geigy Corp One piece coupler-aspirator-nozzle
US4431119A (en) * 1981-11-19 1984-02-14 Stoody William R Self-cleaning, aerosol valve for separate fluids
US5507420A (en) * 1990-02-02 1996-04-16 Aervoe-Pacific Company, Inc. Reusable high efficiency propellant driven liquid product dispenser apparatus
US5080266A (en) * 1990-02-02 1992-01-14 Neill Paul J O Self-charging aerosol dispenser for liquids
US5323935A (en) * 1992-02-21 1994-06-28 The Procter & Gamble Company Consumer product package incorporating a spray device utilizing large diameter bubbles
WO2008128091A1 (en) 2007-04-12 2008-10-23 Prolitec Inc. Diffusion device with replaceable cartridge
EP2142034A1 (en) * 2007-04-12 2010-01-13 Prolitec Inc. Diffusion device with replaceable cartridge
EP2142034A4 (en) * 2007-04-12 2010-12-15 Prolitec Inc DIFFUSION DEVICE WITH REPLACEABLE CARTRIDGE
DE102016012650A1 (de) 2016-10-24 2018-04-26 Beiersdorf Ag Mehrkomponentenapplikator
DE102016012651A1 (de) 2016-10-24 2018-04-26 Beiersdorf Ag Mehrkomponentenapplikator
WO2018077597A1 (de) 2016-10-24 2018-05-03 Beiersdorf Ag Mehrkomponentenapplikator
WO2018077598A1 (de) 2016-10-24 2018-05-03 Beiersdorf Ag Mehrkomponentenapplikator
US11034508B2 (en) * 2016-10-24 2021-06-15 Beiersdorf Ag Multi-component applicator

Also Published As

Publication number Publication date
NL6801204A (cs) 1968-07-29
DE1625221A1 (de) 1970-05-06
GB1212064A (en) 1970-11-11
LU55303A1 (cs) 1968-03-30
CH477235A (fr) 1969-08-31
BE709481A (cs) 1968-07-17
FR1550968A (cs) 1968-12-27

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