US3598290A - Mixing type liquid dispenser with capillary dip tube - Google Patents

Mixing type liquid dispenser with capillary dip tube Download PDF

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Publication number
US3598290A
US3598290A US832939A US3598290DA US3598290A US 3598290 A US3598290 A US 3598290A US 832939 A US832939 A US 832939A US 3598290D A US3598290D A US 3598290DA US 3598290 A US3598290 A US 3598290A
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US
United States
Prior art keywords
valve
container
valve housing
dip tube
outer container
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
US832939A
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English (en)
Inventor
Wolf Steiman
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.)
Pittway Corp
Valve Corp of America Inc
Original Assignee
Valve Corp of America Inc
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 Valve Corp of America Inc filed Critical Valve Corp of America Inc
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Publication of US3598290A publication Critical patent/US3598290A/en
Assigned to PITTWAY CORPORATION reassignment PITTWAY CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ETHYL PRODUCTS COMPANY
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 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
    • 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
    • B65D83/68—Dispensing two or more contents
    • B65D83/682—Dispensing two or more contents initially separated and subsequently mixed

Definitions

  • a CAPILLARY DIP TUBE ChimaZDnwing Figs. second valve and a collapsible contamer Connected with the valve and disposed inside the can 15 a CAPILLARY DIP TUBE ChimaZDnwing Figs. second valve and a collapsible contamer, the latter having flexible walls and a watery product therein such as hydrogen U.S. peroxide which is pressurized due to the pressure existing Z22/402-l- 222/464 against the flexible container walls.
  • the second valve controls Int. t. he outflow of the watery product from the container as ef. [50] Field olSearch 222/94.95. fecled by the pressure against the walls thereof in this en.
  • the invention provides, within the said container and connected to the second valve, a capillary tube constitut- [56] ing'a discharge passage.
  • the capillary tube may constitute a U D STATES PATENTS dip tube. and has the effect of smoothing out the rate of 3,499,581 3/1970 Lehmann 222/94 X discharge of the watery product from the container under con- 3,503.S39 3/1970 O'Donnell etc 222/95 ditions ofdifferent pressures.
  • This invention relates to pressurized, handheld dispensers, and more particularly to mixing dispensers of this type wherein several different liquids, normally isolated in the dispenser, are mixed during the discharge operation to produce specific results such as heated shaving lather, etc.
  • a watery liquid such as hydrogen peroxide is carried in a collapsible inner container whose walls are subjected to collapsing pressures by pressurized liquid or propellant'disposed in the space between the inner and outer container walls.
  • a discharge passage is opened from the inner container to the atmosphere the peroxide is discharged at a rate which varies greatly, depending on the variable pressure exerted against the inner container walls due to the propellant becoming exhausted.
  • the rate of discharge of the companion liquid in the dispenser, comprising the lathering and softening agents is not as variable due to their being discharged through a relatively long dip tube.
  • the variable rate of discharge of the peroxide which is the oxidizing agent depended on to produce the heat, undesirably results in nonuniform heating of the lather product and hence nonuniform results, this constituting a distinct disadvantage.
  • FIG. 1 is an axial sectional view of a mixing-type dispenser embodying the invention and shown in the nondischarging condition.
  • FIG. 2 is a view like that of FIG. 1, showing the dispenser in the discharging condition.
  • the present improved mixing dispenser comprises a relatively rigid, metal outer container or can ofa usual type, having a top shoulder 12 and neck portion 14, the latter being spanned by a usual type of metal mounting cup 16.
  • the cup 16 has a raised central portion I8 of inverted cuplike configuration, provided with a central opening 20 in its transverse or top wall, the said opening having an upwardly drifted edge 22 and being of a size to slidably receive a vertical valve stem designated generally by the numeral 24.
  • a tubular molded plastic valve housing 26 having a stepped central bore 28, and having at its upper end an annular exterior mounting flange 30 which is snugly received in the portion 18 of the mounting cup, and is retained therein by inwardly offset portions 32 of the cup.
  • a resilient diaphragm or valve washer 36 Clamped between the top wall 34 of the cup portion 18 and the upper end of the valve housing 26 is a resilient diaphragm or valve washer 36, having a central opening through which the valve stem 24 extends.
  • the upper portion of the valve stem 24 carries a usual type of depress button 38 having a discharge nozzle 40, said button being guided in a stationary body 42 attached to the upper portion of the container 10.
  • valve stem 24 and housing 26 with the valve washer or seat 36 are so constituted as to comprise a dual mixing valve including a positive shutoff poppet whereby, in conjunction with a flexible and collapsible bag or compartment provided in the container 10, there is effected in the housing a separation or else a mixing to two liquids, one from the container contents and the other from the enclosed compartment or bag.
  • the flexible and collapsible compartment or bag is designated 44 and has a neck portion 46 which is secured around the lower portion of the valve housing 26 so that the bore of the latter communicates with the interior of the bag 44. Any suitable means may be employed to secure the bag 44 to the valve housing 26 in tight sealing relation therewith, as will be understood.
  • the containers 44 and 10 are effectively kept isolated during nonuse of the dispenser by means of a simple slide-type valve.
  • valve washer 36 Cooperable with the valve washer 36 is an annular exterior shoulder or poppet portion 48 provided intermediate the ends of the valve stem 24, said stem having an upper portion 50 of tubular configuration located above the shoulder 48, and having a side passage 52 in the wall of the portion 50, immediately adjacent the valve shoulder.
  • a valve return spring 54 engages the shoulder 48 and also an interior annular shoulder 56 in the valve housing, thereby to bias the valve stem 24 upward as viewed in FIG. I, maintaining the shoulder 48 in engagement with the valve washer 36 whereby the valve is closed, preventing egress of the contents of the container 10 and bag 44.
  • Adjoining the shoulder 56 in the valve housing 26 is an annular valve seat or slide valve portion in the form of an integral bead 58, which is engageable with a lower cylindrical slide valve or portion 60 of the valve stem 24, thereby to close off the bore of the valve housing at said point and prevent passage of liquid upward from the flexible bag 44.
  • the valve stem 24 has a side depression 62 located above the cylindrical slide valve portion 60 as seen in FIG. 1, which is adapted to be disposed within the annular valve seat or bead 58 when the valve stem is depressed or forced inward as illustrated in FIG. 2.
  • the side passage 52 of the tubular portion 50 of the valve stem 24 will be disposed within the valve housing 26, and accordingly a passage is thus provided whereby the contents of the flexible bag 44 can be discharged upward through the housing 26, past the lower portion of the valve stem 24, inwardly through the side passage 52 thereof and up through the tubular upper portion 50 of the stem, to be discharged from the nozzle portion 40 of the depress button 38.
  • the valve housing 26 also has a side passage 62a carrying a dip tube 66 by which communication is established between the interior of the container 10 and the interior of the valve housing 26. Accordingly, when the valve stem 24 is depressed as illustrated in FIG. 2, the contents of the container 10 may also be discharged, such contents flowing inward through the tube 66 and side passage 620 into the interior of the valve housing 26 and (at such location) mixing with the liquid which is flowing upward from the flexible bag 44.
  • the flexible bag 44 may contain hydrogen peroxide.
  • a lathering mixture may be provided in the container 10, made up of various ingredients.
  • Such lathering mixture in addition to soaping, foaming and softening agents, may contain as an example sodium hypophosphite; or instead it may contain potassium sulfite.
  • Such substances when mixing with the hydrogen peroxide flowing upward from the flexible bag 44, causes a chemical reaction which results in an exothermic nonexplosive decomposition of the hydrogen peroxide whereby heat is produced and supplied to the mixture so that the discharge from the nozzle 40 of the depress button 38 is in the form of a heated foam or lather.
  • the contents of the container may be pressurized by the addition of any suitable nonreactive, pressurizing agent, as for example a 40/60 mixture of dichlorofluoromethane and symmetrical dichlorotetrafluoroethane.
  • suitable nonreactive, pressurizing agent as for example a 40/60 mixture of dichlorofluoromethane and symmetrical dichlorotetrafluoroethane.
  • Other propellant substances may be used, as well, their use being well known in the art.
  • the contents of the container 10 will effect a pressurizing of the same, and such pressure will be transmitted to the flexible bag 44, causing a collapsing action of the same and effecting an internal pressure to which the hydrogen peroxide in the bag is subjected.
  • the valve stem 24 is depressed as illustrated in FlG. 2
  • the pressurized liquids in the container 10 and bag 44 will result in the contents thereof being discharged through the valve housing 26, upper valve stem portion 50 and discharge nozzle 40.
  • the dip tube 66 has appreciable and significant length, extending from the side opening or fitting 62a to the bottom of the outer container or can 10.
  • the passage of liquid product from the container through the dip tube 66 involves a certain amount of resistance to flow which among other factors is a function of the tube length since the walls of the tube cause a drag on the flow of the liquid. l have found that the damping effect of the drag is more pronounced when higher propellant pressures exist in the can, whereas the damping effect is not so pronounced for the lower pressures of propellant. Accordingly, during initial periods of discharge, the flow through the dip tube 66 is not so great as one might expect with the container 10 filled and having the maximum propellant pressure. As at present understood, the dip tube 66 has somewhat the effect of smoothing out the rate of flow of liquid from the can 10 for the various and different conditions of pressure.
  • the bore 28 of the valve housing 26 is provided with an internal shoulder 68, and a capillary tube of relatively small bore is provided, frictionally fitted in the bore 28 and positioned against the shoulder 68.
  • the hydrogen peroxide in the inner container 44 comprises a watery liquid, being by way of example 97 percent water and 3 percent actual hydrogen peroxide.
  • the capillary tube 70 may have a bore diameter on the order of from 0.020 inch to 0.035 inch. Slightly smaller or larger bore diameters may be utilized, depending on the particular conditions of use and result which is desired, and on the specific combinations of liquids being used in the dispenser.
  • the capillary tube 70 reduces the variation in flow due to pressure differentials as the container becomes exhausted. In other words, the use of the capillary tube 70 smoothes out the flow curve in a manner generally similar to that effected by the dip tube 66.
  • the capillary tube 70 is shown as constituting a dip tube, extending virtually to the bottom of the collapsible container 44.
  • the dip tube 66 is shown as having a larger bore since it carries a more viscous liquid than the watery liquid carried in the capillary tube 70.
  • the bore of the dip tube 66 may be varied to adapt it to the viscosity of the liquid it carries, in relation to the bore of the capillary tube 70 whereby these two tubes have similar smoothing effects on the rates of flow.
  • an outer container adapted to carry a pressurized liquid produce, said outer container having an outlet opening,
  • means including a valve housing disposed in the outlet opening of the outer container for closing the same, said valve housing having a pair of inlet passages,
  • said inner container being located within the outer container and being adapted to be pressurized by the pressure in the latter, said inner container being connected to said valve housing to communicate with one of said inletpassages, and d. a capillary dip tube of less than 0.035 dia. bore, disposed in said inner container and connected with said one inlet passage, for smoothing out the rate of flow of the watery liquid from the inner container, into the valve housing under conditions of differing pressures,
  • the capillary tube has a bore of from .020 inch to .035

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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)
US832939A 1969-06-13 1969-06-13 Mixing type liquid dispenser with capillary dip tube Expired - Lifetime US3598290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83293969A 1969-06-13 1969-06-13

Publications (1)

Publication Number Publication Date
US3598290A true US3598290A (en) 1971-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
US832939A Expired - Lifetime US3598290A (en) 1969-06-13 1969-06-13 Mixing type liquid dispenser with capillary dip tube

Country Status (8)

Country Link
US (1) US3598290A (cs)
JP (1) JPS4910010B1 (cs)
AU (1) AU1614370A (cs)
DE (2) DE2022611A1 (cs)
ES (1) ES378700A1 (cs)
FR (1) FR2052313A5 (cs)
GB (1) GB1261144A (cs)
ZA (1) ZA703890B (cs)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388727A (en) * 1992-08-06 1995-02-14 Societe Technique De Pulverisation -S.T.E.P.- Two compartment fluid dispenser with pump, and method of manufacturing same
US5762322A (en) * 1996-09-13 1998-06-09 Summit Packaging Systems, Inc. Actuator assembly to prevent inadvertent product discharge upon installation on stem
US6116466A (en) * 1997-10-03 2000-09-12 L'oreal S.A. Two-product dispensing unit
WO2002002457A1 (en) * 2000-07-05 2002-01-10 Corba Robert E Container assembly
US6736288B1 (en) * 2000-10-26 2004-05-18 Ronald D. Green Multi-valve delivery system
US20050205600A1 (en) * 2004-03-19 2005-09-22 Heiner Ophardt Dual component dispenser
USD636668S1 (en) 2008-03-24 2011-04-26 Mary Kay Inc. Dip tubes
US8376192B2 (en) 2008-03-24 2013-02-19 Mary Kay Inc. Apparatus for dispensing fluids using a press-fit diptube
US9789502B2 (en) 2008-06-05 2017-10-17 Mary Kay Inc. Apparatus for dispensing fluids using a removable bottle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53113227U (cs) * 1976-08-25 1978-09-09
US4171070A (en) * 1977-06-10 1979-10-16 Samuel Colgate, Robert Ramey And Associates Apparatus for inserting an additive liquid into a flowing fluid and discharging the resultant mixture
WO1988001981A1 (en) * 1986-09-09 1988-03-24 Dispak Pty. Limited Liquid dispenser

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288381A (fr) * 1960-04-14 1962-03-24 Cooper Distributeur de jet pulvérisé
GB1018480A (en) * 1963-07-06 1966-01-26 Geigy Ag J R Pressurised liquid dispensing container
US3499581A (en) * 1968-04-16 1970-03-10 Valve Corp Of America Hand-held dispenser with mixing valves
US3503539A (en) * 1968-02-21 1970-03-31 Valve Corp Of America Hand-held dispenser with dual valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288381A (fr) * 1960-04-14 1962-03-24 Cooper Distributeur de jet pulvérisé
GB1018480A (en) * 1963-07-06 1966-01-26 Geigy Ag J R Pressurised liquid dispensing container
US3503539A (en) * 1968-02-21 1970-03-31 Valve Corp Of America Hand-held dispenser with dual valve
US3499581A (en) * 1968-04-16 1970-03-10 Valve Corp Of America Hand-held dispenser with mixing valves

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388727A (en) * 1992-08-06 1995-02-14 Societe Technique De Pulverisation -S.T.E.P.- Two compartment fluid dispenser with pump, and method of manufacturing same
US5762322A (en) * 1996-09-13 1998-06-09 Summit Packaging Systems, Inc. Actuator assembly to prevent inadvertent product discharge upon installation on stem
US6116466A (en) * 1997-10-03 2000-09-12 L'oreal S.A. Two-product dispensing unit
WO2002002457A1 (en) * 2000-07-05 2002-01-10 Corba Robert E Container assembly
US6464108B2 (en) * 2000-07-05 2002-10-15 Robert E. Corba Container assembly for dispensing non-atomized composition mixed internally upon dispensing
US6736288B1 (en) * 2000-10-26 2004-05-18 Ronald D. Green Multi-valve delivery system
US20050205600A1 (en) * 2004-03-19 2005-09-22 Heiner Ophardt Dual component dispenser
GB2412696A (en) * 2004-03-19 2005-10-05 Hygiene Technik Inc Dual component dispenser
GB2412696B (en) * 2004-03-19 2008-02-20 Hygiene Technik Inc Dual component dispenser
US7661561B2 (en) 2004-03-19 2010-02-16 Hygiene-Technik Inc. Dual component dispenser
US20100102089A1 (en) * 2004-03-19 2010-04-29 Heiner Ophardt Dual component dispenser
US7823751B2 (en) 2004-03-19 2010-11-02 Hygiene-Technik Inc. Dual component dispenser
USD636668S1 (en) 2008-03-24 2011-04-26 Mary Kay Inc. Dip tubes
US8376192B2 (en) 2008-03-24 2013-02-19 Mary Kay Inc. Apparatus for dispensing fluids using a press-fit diptube
US9789502B2 (en) 2008-06-05 2017-10-17 Mary Kay Inc. Apparatus for dispensing fluids using a removable bottle

Also Published As

Publication number Publication date
AU1614370A (en) 1971-12-16
FR2052313A5 (cs) 1971-04-09
DE2022611A1 (de) 1971-01-14
ES378700A1 (es) 1973-02-01
DE7017330U (de) 1971-08-19
JPS4910010B1 (cs) 1974-03-07
ZA703890B (en) 1971-01-27
GB1261144A (en) 1972-01-19

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Date Code Title Description
AS Assignment

Owner name: PITTWAY CORPORATION; 1160 NORTH SILVER LAKE RD., C

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ETHYL PRODUCTS COMPANY;REEL/FRAME:004013/0652

Effective date: 19810824