US3595483A - Annular conduit aerosol actuator - Google Patents

Annular conduit aerosol actuator Download PDF

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Publication number
US3595483A
US3595483A US3595483DA US3595483A US 3595483 A US3595483 A US 3595483A US 3595483D A US3595483D A US 3595483DA US 3595483 A US3595483 A US 3595483A
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US
United States
Prior art keywords
annular
insert
conduit
dispensing
aerosol
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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English (en)
Inventor
Ernest Gehres
Gilbert S Jordan
Norman Usen
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.)
Glad Products Co
Original Assignee
Union Carbide Corp
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Publication date
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Publication of US3595483A publication Critical patent/US3595483A/en
Assigned to MORGAN GUARANTY TRUST COMPANY OF NEW YORK, AND MORGAN BANK ( DELAWARE ) AS COLLATERAL ( AGENTS ) SEE RECORD FOR THE REMAINING ASSIGNEES. reassignment MORGAN GUARANTY TRUST COMPANY OF NEW YORK, AND MORGAN BANK ( DELAWARE ) AS COLLATERAL ( AGENTS ) SEE RECORD FOR THE REMAINING ASSIGNEES. MORTGAGE (SEE DOCUMENT FOR DETAILS). Assignors: STP CORPORATION, A CORP. OF DE.,, UNION CARBIDE AGRICULTURAL PRODUCTS CO., INC., A CORP. OF PA.,, UNION CARBIDE CORPORATION, A CORP.,, UNION CARBIDE EUROPE S.A., A SWISS CORP.
Assigned to FIRST BRANDS CORPORATION, 39 OLD RIDGEBURY RD., DANBURY, CT 06817 A CORP OF DE reassignment FIRST BRANDS CORPORATION, 39 OLD RIDGEBURY RD., DANBURY, CT 06817 A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: UNION CARBIDE CORPORATION, A CORP OF NY
Assigned to UNION CARBIDE CORPORATION, reassignment UNION CARBIDE CORPORATION, RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: MORGAN BANK (DELAWARE) AS COLLATERAL AGENT
Assigned to MANUFACTURERS HANOVER TRUST COMPANY reassignment MANUFACTURERS HANOVER TRUST COMPANY SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FIRST BRANDS CORPORATION, A CORP OF DE
Anticipated expiration legal-status Critical
Assigned to FIRST BRANDS CORPORATION reassignment FIRST BRANDS CORPORATION RELASE OF SECURITY INTEREST RECORDED AT REEL 4645 AND FRAME 280-363 ON 12-08-1986. Assignors: MANUFACTURERS HANOVER TRUST COMPANY
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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/16—Actuating means
    • B65D83/20—Actuator caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber

Definitions

  • Doherty ABSTRACT An aerosol actuator assembly especially adapted for utilization with dry powder aerosols comprising an annular dispensing conduit formed by insert means placed within an opening in the actuator button. Aerosol formulation flow is directed in such a manner that it is dispensed through the annular conduit in a spiral path.
  • the present invention relates to aerosol dispensers, and more particularly to the structure and arrangement of an aerosol actuator assembly, specifically the dispensing conduit means thereof.
  • the invention is particularly concerned with providing a specifically shaped aerosol actuator dispensing conduit which is advantageously adapted to dispensing aerosol formulation in a manner whereby the flow pattern of the dispensed aerosolformulation which impinges upon the intended target will be appropriate for the circumstances involved.
  • the invention is regarded as having particular utility in connection with dispensing of dry powder aerosol formulations.
  • Dry powder aerosols differ in many significant ways from liquid aerosol systems and, consequently, they may require different approaches with regard to dispensing structures and techniques.
  • An example of a dry powder system contemplated in the utilization of the present invention is described and claimed in U.S. Pat. No. 3,08l,233 issued Mar. 12, 1963 to P. E. Gunning and D. R. Rink.
  • This patent relates to an aerosol system which differs basically from previously known systems, particularly systems utilizing a slurry-type mixture, in that it involves a self-propelled powder which is delivered from a pressurized container in a dry spray which is substantially liquid free.
  • This dry powder system comprises a free-flowing powder composition which constitutes the active material to be dispensed from the container.
  • At least one component of the powder composition comprises particles of a liquid propellant-sorbent material, with a vaporizable liquid propellant being held in said sorbent material under the vapor pressure of the propellant normally existing in the container at ambient temperature.
  • the propellant Upon exposure of the aerosol formulation to the ambient environment externally of the container, the propellant is vaporized by reducing the pressure to which it is exposed.
  • the dry powder system contemplated herein comprises a three-phase system including a vapor phase and a homogeneous, free-flowing powdered composition, the latter containing a vaporizable propellant.
  • the powder composition which constitutes a major portion of the system provides the supporting phase.
  • the orifice means located at the point on the actuator structure at which the aerosol formulation ultimately exits from the dispensing assembly.
  • the configuration and arrangement of the internal conduit means and of the exit orifice means play a very significant role in determining the nature and effect of the spray pattern of the aerosol formulation as it strikes the intended target area.
  • Another factor of significant importance relates to the cost 'of manufacture and the ability to apply presently known manufacturing techniques and apparatus in producing a particular aerosol actuator structure.
  • the needs and requirements of the specific spray pattern desired must be successfully met in an actuator assembly which is arranged and configured in such a way that it may be readily manufactured with known techniques and apparatus at a cost which is not prohibitive and which'will permit marketing of the aerosol system in a commercially competitive manner.
  • an object of the present invention to provide an improved aerosol actuator assembly, especially adapted for utilization with dry powder aerosol systems, comprising specially shaped aerosol formulation-dispensing conduit means enabling desired control of the dispensing spray pattern of an aerosol formulation which may be manufactured in an economical and efficient manner utilizing presently known manufacturing techniques and apparatus.
  • the present invention may be described as an aerosol actuator assembly, wherein aerosol formulation is dispensed through an annularly shaped conduit in a spirally directed dispensing path.
  • the actuator assembly comprises an actuator button having a cylindrical opening into which there is fitted cylindrical insert means having a diameter smaller than the diameter of the cylindrical opening. The gap established therebetween forms the annularly shaped dispensing conduit.
  • FIG. 1 is an elevational view in cross section of an aerosol actuator assembly embodying the present invention.
  • FIG. 2 is a cross-sectional view partially broken away taken along line 2-2 of FIG. 1 showing the configuration of the annular dispensing conduit.
  • a molded actuator button of plastic material 10 comprising a cylindrical conduitl2 comprising a chamfered opening and a smaller diameter cylindrical conduit 12b.
  • the conduit 12 is adapted for appropriate engagement with the valve stem (not shown) of an aerosol container whereby a user, by depressing the actuator button 10 by applying finger pressure to the upper surface 14 thereof, may effect actuation of the aerosol container valve stem thereby to dispense aerosol formulation from the valve stem, into the conduit 12 and through the internal structure of the actuator button 10, to be hereinafter described in more detail, for ultimate application and use.
  • the manner whereby the actuator button 10 is mounted upon an aerosol container to engage the valve stem and effect actuation thereof is in accordance with principles well known to those skilled in the art.
  • the bottom surface 16 of the button 10 comprises an annular recess defined between a pair of cylindrical walls 18 and 20 to adapt the actuator button 10 for mounting upon an aerosol container in a manner to accommodate and protruding structure surrounding the valve stem and avoid interference between such protruding structure and the bottom surface 16 of the button 10.
  • the button 10 comprises a cylindrical opening 22 which extends from the front face 24 of button I0 to the base 26 of the cylindrical opening 22. It should be noted that conduit 12b extends to opening 22 and terminates thereat.
  • a first insert member 28 which may be formed of molded plastic material, comprising an outer surface 30 having a diameter equivalent to, or closely approximating, the diameter of cylindrical opening 22 is fitted into the opening 22 with the walls of opening 22 and the surface 30 in tight frictional engagement to thereby maintain the insert 28 securely within the button 10.
  • the insert member 28 is annularly shaped and includes a base section 32 which is slightly thicker than a forward section 34.
  • the base section 32 has an inner surface 36 defining an internal diameter which is smaller than the internal diameter defined by the inner surface 38 of section 34.
  • a cylindrical conduit 40 extends through section 34 of insert 28, the conduit- 40 being aligned and in communication with the conduit 12b when the insert 28 is positioned within the button 10. It should be noted that, as shown in FIG. 1, the conduit 40 is inclined in a forward direction or to the right and, as shown in FIG. 2, it is also inclined leftwardly.
  • a second cylindrically shaped insert member 42 which may also be formed of molded plastic material, having a straight cylindrical outer surface 44 whose diameter coincides with, or closely approximates, the diameter of inner surface 36, is placed within the insert 28 with a portion of outer surface 44 abutting inner surface 36 in tight frictional engagement therewith in a manner whereby insert 42 is securely held within insert 28 when both inserts are placed as shown in the drawing within the button 10.
  • annular conduit 46 which is in flow communication with conduit 40 and which provides an annular exit orifice at the front of button through which aerosol formulation may be dispensed.
  • the conduit 40 comprises a forward tilt and, as shown in FIG. 2, a leftward tilt which causes the aerosol formulation flowing from conduit 12b through conduit 40 to be directed in a forward manner toward the exit orifice of conduit 46 and in a tangential path relative to conduit 46.
  • conduit 40 the aerosol formulation entering conduit 46 will have imparted thereto a forwardly directed flow as well as a flow pattern which is directed tangentially relative to conduit 46. Due to this action, the aerosol formulation flowing through conduit 46 travels in a spiral path around insert 42, which spiral path is maintained until the aerosol formulation is dispensed through the exit orifice at the end of annular conduit 46.
  • the dispensed powder will distribute itself across a generally circular area bounded by a circumference having a diameter somewhat larger than the diameter of the exit orifice.
  • the powder distribution will involve more sharply defined outer limits as well as being more evenly distributed over the central portions of the target area. Accordingly, utilization of the invention will generally produce more accurate definition of the area to be covered and more uniform distribution of active powder aerosol material within said area.
  • the insert 42 and the actuator button 10 may be formed in a one-piece integral arrangement by joinder of these members at the base surface 26 of insert 42 and the portion of the actuator button 10 contiguous therewith. With the insert 42 and the actuator button 10 integrally formed as one piece, the insert 28 may then be inserted into the annular space therebetween in the position shown in FIG. 1, the only difference between an arrangement where the insert 42 is formed separately from the actuator button 10 being that the base 26 of insert 42 is integrally formed with the portion of actuator button 10 contiguous therewith. Formation of insert 42 and actuator button 10 in one piece involves only a minor modification of the present invention, the only difference being a slight modification in the molding proceduresinvolved when molding button 10 and insert 42 as one piece instead of separately.
  • conduit 12 due to the particular configuration of conduit 12! and conduit 40, it is imperative that the insert 28 be positioned within the actuator button [0 in a manner whereby the conduit 12b and conduit 40 are properly aligned to permit flow of aerosol formulation therebetween, Since both of these conduits are basically cylindrical in configuration, the insert 28 must be accurately angularly positioned within the button 10.
  • a slot and key arrangement, with the slot formed in the button 10 and the key formed on insert 28, is provided for this purpose.
  • Actuator button 10 comprises a slot 48 formed therein which extends rearwardly into button 10 with an upstanding rectangular key 50 being formed integrally with insert 28 adapted to fit within the slot 48 in a manner to insure proper alignment of conduits 12b and 40.
  • annular dispensing conduit while providing certain special operational advantages, also gives rise to certain manufacturing complications particularly involving the molding procedures utilized.
  • conduit 40 directed forwardly and tangentially to conduit 46, it would be difficult if not impossible to mold the annular conduit aerosol actuator of the present invention completely as one integral piece.
  • insert 28 is formed as a separate piece comprising conduit 40 in the particular configuration described, obviates certain difficulties pertaining to manufacturing and molding techniques.
  • the particular structural configuration and arrangement of the invention not only provides an operational concept which is advantageous in improved powder aerosol dispensing, but it further does so in a manner which avoids potential manufacturing problems.
  • An aerosol actuator assembly comprising an actuator button, means on said button adapted to engage the valve stem of an aerosol container in a manner to enable dispensing of aerosol formulation therefrom, a cylindrical opening defined by an inner cylindrical wall within said actuator assembly extending in flow communication from said valve stem engaging means to the exterior of said assembly, insert means including a cylindrical insert centrally and concentrically located within said cylindrical opening smaller in diameter than said inner cylindrical wall and defining an annular space therebetween, and an annular insert located within said annular space, said cylindrical insert and said annular insert defining an annular dispensing conduit therebetween, said cylindrical insert being removably mounted within said cylindrical conduit, said annular insert comprising a portion thereof in tight frictional engagement with said cylindrical insert, said annular dispensing conduit extending continuously to the outer surface of said actuator assembly with the termination of said conduit defining at said outer surface an annular dispensing orifice, and flow directing conduit means extending through said inner cylindrical wall in fiow communication between said valve stem engaging means and said annular dispensing conduit imparting a spiral dis
  • An aerosol actuator assembly comprising an actuator button, means on said button adapted to engage the valve stem of an aerosol container in a manner to enable dispensing of aerosol formulation therefrom, a cylindrical opening defined by an inner cylindrical wall within said actuator assembly extending in flow communication from said valve stem engaging means to the exterior of said assembly, insert means including a cylindrical insert centrally and concentrically located within said cylindrical opening smaller in diameter than said inner cylindrical wall and defining an annular space therebetween and an annular insert located within said annular space, said cylindrical insert and said annular insert defining an annular dispensing conduit therebetween, said annular dispensing conduit extending continuously to the outer surface of said actuator assembly with the termination of said conduit defining at said outer surface an annular dispensing orifice, and flow-directing conduit means comprising a cylindrical wall extending through said annular insert means tangentially to said annular dispensing conduit and tilted in the direction of dispensing flow thereby imparting a spiral dispensing flow pattern to said aerosol formulation.
  • said annular insert comprises an outer diameter adapting said annular insert to be fitted in tight frictional engagement within said cylindrical opening of said button.
  • annular insert and said actuator button comprise a slot and key arrangement operative to align said flow-directing conduit means in flow communication with said valve stem engaging means.
  • annular insert comprises an inner cylindrical surface having a diameter slightly greater than the diameter of said cylindrical insert by an amount equal to the width of said annular dispensing conduit.
  • annular insert comprises an inner diameter of reduced dimension extending along the length of said annular insert means only from said flow-directing conduit means away from said annular dispensing conduit.

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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)
US3595483D 1968-12-11 1968-12-11 Annular conduit aerosol actuator Expired - Lifetime US3595483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78302868A 1968-12-11 1968-12-11

Publications (1)

Publication Number Publication Date
US3595483A true US3595483A (en) 1971-07-27

Family

ID=25127959

Family Applications (1)

Application Number Title Priority Date Filing Date
US3595483D Expired - Lifetime US3595483A (en) 1968-12-11 1968-12-11 Annular conduit aerosol actuator

Country Status (9)

Country Link
US (1) US3595483A (enrdf_load_stackoverflow)
BE (1) BE742942A (enrdf_load_stackoverflow)
BR (1) BR6914565D0 (enrdf_load_stackoverflow)
CH (1) CH511061A (enrdf_load_stackoverflow)
DE (1) DE1961578A1 (enrdf_load_stackoverflow)
FR (1) FR2025855A1 (enrdf_load_stackoverflow)
GB (1) GB1293769A (enrdf_load_stackoverflow)
NL (1) NL6918613A (enrdf_load_stackoverflow)
SE (1) SE355732B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2444160A1 (en) 2010-10-21 2012-04-25 Henkel Consumer Goods Inc. Actuator for dispensing aerosol hair care products closer to the scalp
FR3008002A1 (fr) * 2013-07-04 2015-01-09 Oreal Tete de distribution
CN109693884A (zh) * 2019-01-29 2019-04-30 中山市美捷时包装制品有限公司 一种环形气雾剂促动器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486036A1 (fr) * 1980-07-04 1982-01-08 Aerosol Inventions Dev Coiffe a bloc-diffuseur rapporte pour valves aerosols et procede de montage d'une telle coiffe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1257003A (fr) * 1956-11-08 1961-03-31 Precision Valve Corp Bouton de commande pour distributeur de matière sous pression et dispositif de matriçage pour sa fabrication par moulage
US3437270A (en) * 1968-03-12 1969-04-08 Risdon Mfg Co Self-sealing spray-actuator button

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1257003A (fr) * 1956-11-08 1961-03-31 Precision Valve Corp Bouton de commande pour distributeur de matière sous pression et dispositif de matriçage pour sa fabrication par moulage
US3437270A (en) * 1968-03-12 1969-04-08 Risdon Mfg Co Self-sealing spray-actuator button

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2444160A1 (en) 2010-10-21 2012-04-25 Henkel Consumer Goods Inc. Actuator for dispensing aerosol hair care products closer to the scalp
FR3008002A1 (fr) * 2013-07-04 2015-01-09 Oreal Tete de distribution
WO2015001508A3 (fr) * 2013-07-04 2015-07-02 L'oreal Tete de distribution
CN109693884A (zh) * 2019-01-29 2019-04-30 中山市美捷时包装制品有限公司 一种环形气雾剂促动器

Also Published As

Publication number Publication date
BE742942A (enrdf_load_stackoverflow) 1970-06-10
GB1293769A (en) 1972-10-25
CH511061A (fr) 1971-08-15
SE355732B (enrdf_load_stackoverflow) 1973-05-07
NL6918613A (enrdf_load_stackoverflow) 1970-06-15
DE1961578A1 (de) 1970-07-16
FR2025855A1 (enrdf_load_stackoverflow) 1970-09-11
BR6914565D0 (pt) 1973-01-30

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AS Assignment

Owner name: MORGAN GUARANTY TRUST COMPANY OF NEW YORK, AND MOR

Free format text: MORTGAGE;ASSIGNORS:UNION CARBIDE CORPORATION, A CORP.,;STP CORPORATION, A CORP. OF DE.,;UNION CARBIDE AGRICULTURAL PRODUCTS CO., INC., A CORP. OF PA.,;AND OTHERS;REEL/FRAME:004547/0001

Effective date: 19860106

AS Assignment

Owner name: FIRST BRANDS CORPORATION, 39 OLD RIDGEBURY RD., DA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:UNION CARBIDE CORPORATION, A CORP OF NY;REEL/FRAME:004611/0201

Effective date: 19860630

Owner name: FIRST BRANDS CORPORATION, 39 OLD RIDGEBURY RD., DA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:UNION CARBIDE CORPORATION, A CORP OF NY;REEL/FRAME:004611/0201

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Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:MORGAN BANK (DELAWARE) AS COLLATERAL AGENT;REEL/FRAME:004665/0131

Effective date: 19860925

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Owner name: MANUFACTURERS HANOVER TRUST COMPANY

Free format text: SECURITY INTEREST;ASSIGNOR:FIRST BRANDS CORPORATION, A CORP OF DE;REEL/FRAME:004645/0280

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Free format text: RELASE OF SECURITY INTEREST RECORDED AT REEL 4645 AND FRAME 280-363 ON 12-08-1986.;ASSIGNOR:MANUFACTURERS HANOVER TRUST COMPANY;REEL/FRAME:005717/0599

Effective date: 19900802