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US3622049A - Dispensing system - Google Patents

Dispensing system Download PDF

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Publication number
US3622049A
US3622049A US821572A US3622049DA US3622049A US 3622049 A US3622049 A US 3622049A US 821572 A US821572 A US 821572A US 3622049D A US3622049D A US 3622049DA US 3622049 A US3622049 A US 3622049A
Authority
US
United States
Prior art keywords
container
foam
opening
fitment
air
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
US821572A
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English (en)
Inventor
Robert E Thompson
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.)
Merck Sharp and Dohme LLC
Original Assignee
Schering Corp
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 Schering Corp filed Critical Schering Corp
Application granted granted Critical
Publication of US3622049A publication Critical patent/US3622049A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/042Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube
    • B05B11/043Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube designed for spraying a liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3026Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant

Definitions

  • SHEET 2 [IF 3 INVENTOR ROBERT E THOMPSON PAIENTEDuuv 23 ml SHEET 3 BF 3 FIG? ROBERT E. THOMPSON BY flu) Z Jim/z ATTORNEYS DISPENSING SYSTEM
  • This invention relates to an improved dispenser for foamable liquids such as medicaments, hair conditioners, window cleaners, and the like, and in particular to a dispenser which will cause such liquid to mix with air and to thereby be dispensed in the form of an air-liquid foam.
  • the dispenser has particular utility as a dispenser of medicaments as it is often the desire of medical practitioners that certain medicaments be applied in the form of a foam. Such foamed medicaments are sometimes applied within body cavities which open to the exterior portion of the body. Accordingly, there'arise situations wherein rather long nozzles are required.
  • foamable liquids from squeeze-type containers
  • the liquid itself is of necessity a foamable formulation, as distinguished from nonfoaming liquids employed in ordinary squeeze-spray containers.
  • foamable formulations generally contain surface-active agents and are well understood by those skilled in the art.
  • the foamable liquids cause foam to form in the bottle from intake air through the delivery orifice after each squeeze.
  • the container can be so filled with foam that repeat squeezings feed foam through certain air vents to thereby change the forces delivering air and liquid through the main dispensing orifice. This in turn results in a heavier foam than desired or else results in dispensing liquid through the foamer head.
  • FIG. 1 is a side elevational view of a typical resilient wall container adapted for practicing this invention which may conveniently be formed of plastic or the like.
  • FIG. 2 is a cross-sectional view of the device shown in FIG. 1.
  • FIG. 3 is an enlarged detailed fragmentary view illustrating a typical check valve in the container wall.
  • FIG. 4 is a view similar to FIG. 1, and illustrates an embodiment of the invention.
  • FIG. 5 is a cross section of the upper portion of FIG. 4.
  • FIG. 6 is a partial cross section on line 66 of FIG. 4, and taken at right angles to the section of FIG. 5.
  • FIGS. 7 and 8 are top views, in two nozzle positions, of the embodiment of FIG. 4.
  • FIG. 9 is a view taken along section9-9 of FIG. 5.
  • FIG. 10 is a view taken along section 10-10 of FIG. 5.
  • FIG. 11 is a cross-sectional view, similar to that of FIG. 5, and illustrates a variant.
  • the numeral 10 denotes generally a resilient wall dispensing container suitable for the practice of this invention.
  • the container is defined by a main and lower portion 12, an intermediate portion 14 and an upper neck portion 16.
  • neck 16 is provided with threads to receive complementary threads of a cap element or foamer fitment 18 which may also be formed of plastic, and whereby the fitment may be releasably secured to the container.
  • An elongated and separable head element 20 is pro vided at a medial portion thereof with an integral flange 22 adapted to seat, as illustrated, on top of the neck 16 and is borne against by a portion of integral cap element 18.
  • a conventional dip tube formed of plastic or the like is denoted by the numeral 24 and is positioned with one end at the bottom of the container while its other end is supported (as by friction fit) within a bore at the upper end of head 20.
  • the numeral 26 denotes either one of two bypass air passages radially positioned with respect to the upper end of dip tube 24, with the lower end of each passageway communicating with the interior of head element 20 and hence with the interior of the container 10.
  • vents 26 communicate with a horizontally extending passageway 28, the latter in turn communicating with a vertically extending passageway 30 in the extreme upper end of head 20.
  • the upper end of the fitment encloses the head or outlet nozzle portion and a porous element 32 is secured across the upper portion of the fitment.
  • the porous element is similar to and for the same purpose as disclosed in US. Pat. No. 3,346,146.
  • a nozzle 34 also of plastic is fitted over the cap element 18 and may itself be provided with external threads 36 for the reception of a second cap or closure member not illustrated.
  • the uppermost portion of nozzle 34 is apertured as at 38 and the numeral 40 denotes an air-liquid medicament foam in the interior of the nozzle.
  • the numeral 41 connotes a valve defined by an aperture 42 in the wall of segment 14 and may preferably be formed through a portion of the container wall which is slightly thickened, as denoted by the numeral 44.
  • Number 46 denotes a flap shown in solid line in its closed position and in its open position is indicated by the dashed lines.
  • the curved arrows adjacent the passageway 42 denote ambient air passing from the exterior to the interior of the container.
  • the numeral 48 denotes a supply of foamable liquid placed in the container and adapted to be dispensed.
  • the user grasps the container 10 and squeezes the sides together, thereby increasing the pressure within the volume V of the container above the medicament 48.
  • This increase in pressure is accompanied by two actions.
  • the first action is that liquid 48 is forced upward through the dip tube 24 and exits through its top towards aperture 30.
  • air within the volume V is forced upwardly through the passageways 26 and into passageway 28.
  • the flow of upcoming liquid from dip tube 24 is intersected by this air in passageway 28 and accordingly there is formed a mixture of liquid and air immediately above the dip tube 24. This mixture passes through opening and impinges onto porous element 32.
  • a foam denoted by the numeral is formed, with the foam being dispensed from nozzle 34 through exit opening 38.
  • a valve such as that illustrated at FIG. 3 of the drawings is placed in the container wall.
  • the valve is a so-called one-way or check valve and will admit air from the outside into the container but not the reverse flow path.
  • the valve when the resilient walls commence to return to their original position after being squeezed, the partial vacuum thus created will cause the valve 41 to be opened, thus admitting air from the exterior and abating the vacuum.
  • the foam mass 40 residuum in the nozzle 34 in conjunction with the porous member, will act as a valve to prelude entry of ambient air through the nozzle 34, as opposed to the entry of foam into the container by virtue of the above-described action without the valve 41.
  • valve illustrated in detail at FIG. 3 of the drawings, is not critical for the practice of this invention.
  • the valve could be of the spring-urged ball type or could be of any other convenient type.
  • the valve could be placed at any part of the container which is above the liquid medicament level.
  • the flow passage defined by the check valve such as flow passageway 42, defines a second or distinct flow passageway relative to the opening 30. The latter may be defined as a first or main exit or flow passageway of the container.
  • the outlet opening 30 may preferably be from 0.025 to 0.042 inches in diameter
  • the dip tube 24 may have a bore of 0.022 to 0.082 inches in diameter
  • the area of the vents 26 from 0.0009 to 0.0018 square inches.
  • FIG. 4 a configuration similar to the embodiment of FIG. I is illustrated, wherein the numeral 50 denotes generally a dispenser/container similar to the dispenser 10 illustrated at FIGS. 1 and 2 of the drawings.
  • the numeral 52 denotes the main lower body of the dispenser, similar to element 12 of FIGS. 1 and 2, and is defined by a container having a narrowed mouth.
  • An upper cap 54 is snapped on to sidewalls of the mouth of the container by virtue of an inwardly extending lip 55 engaged as show with a thickened portion 56 around the upper part of the mouth of container 52.
  • the cap 54 also carries an integral nozzle 57 having an inlet or rear chamber 58 at its entrance end.
  • a plug 59 is positioned over and closes the mouth of the container.
  • the plug contains an opening or passageway 60 therethrough surrounded at the upper surface of the plug by upstanding walls.
  • the numeral 62 denotes a foam producing element, here in the form of a wire screen. This element is similar to element 42 of my US. Pat. No. 3,346,146. When a foamable liquid passes through the screen 62, the action of the liquid passing through the interstices promotes the formation ofa foam.
  • the numeral 64 denotes yet another portion of the opening or passageway through the plug 59, above a narrowed region 65. Slots 66 are provided in the wall of aperture 67.
  • the numeral 68 denotes a dip tube extending from socket 69 in the lower portion ofthe plug 59, to adjacent the bottom of container 52.
  • the slots 66 provide air passages communicating with the interior of the container and the region 65.
  • the numeral 70 denotes an aperture extending completely through the cap 54 and, as illustrated at FIG. 5 of the drawings, in operative position registers with a second passageway or opening 72 through the plug 59.
  • a ball element 74 rests on protrusions formed within the opening. In the illustrated position, ambient air is free to pass in through opening 70 and around the ball 74 into the interior of container 52. Upon a sudden increase in pressure within the container, the ball 74 is pushed upwardly and thereby blocks airflow through passage 72.
  • the cap 54 is rotatable on and about the mouth of container 52.
  • the opening 70 in the cap 54 registers with opening 72 in plug 59.
  • cavity 58 at the end of the nozzle 57 is in registry with opening 60 and mesh 62.
  • This is the dispensing position of the cap relative to the container.
  • the nonle 57 carriesan integral extension 76 having therein a curved channel 78 into which the walls around opening 60 extend and abut. Dur- ,ing rotation, the curved channel slides over the upwardly extending portions around opening 60. In the position shown in FIG. 8, the opening 60 is out of registration with chamber 58 and the contents of container 52 are accordingly protected.
  • the air passageways 66 correspond to passages 26, with the same foam producing action in cooperation with mesh 62.
  • FIG. ll of the drawings a variant is illustrated wherein the dip tube 68 is attached to the lower part of opening 72, instead of to opening 69.
  • the container 52 is squeezed several times, the recovery to original configuration of the resilient sidewalls of 52 being accompanied by an influx of air through opening 70 and down into dip tube 68. Some foam is generated within the interior of lumen of the dip tube. With repeated squeezings the interior of the container 52 above the liquid level is filled with foam which finds its way out through the dispensing snout 57, passing through screen 62, where it is reformed before final exit.
  • the dispensing systems of each embodiment may dispense a liquid instead, by inverting the container and then squeezing or applying the pressure discharge gas.
  • a liquid spray may also be dispensed by removing the foamer element 32 of the embodiment of FIG. 2 or the foamer element 62 of the embodiment of FIG. 5 and operating the dispenser in the upright position.
  • a combination dispenser comprising a container having an outlet opening and a deformable sidewall, an outlet orifice member releasably carried over the outlet opening, a dip tube depending from said outlet orifice member for directing liquid from the container to the outlet orifice when the container sidewall is squeezed inwardly, a tubular foamer fitment releasably and coaxially carried by said outlet orifice member, said fitment member having an opening of substantially larger diameter than said outlet opening therethrough, a porous element mounted in said fitment across the said opening and in spaced relation to said outlet orifice, a foam-receiving chamber having an opening therethrough releasably carried by said foamer fitment, said foam-receiving chamber acting as a valve because of the collection of a foam mass residuum therein to preclude entry of air into said container through said outlet opening, valve means in the sidewall of the container below said chamber, said valve means allowing the passage of ambient air only into said container, and closure means for said

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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)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
US821572A 1969-05-05 1969-05-05 Dispensing system Expired - Lifetime US3622049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82157269A 1969-05-05 1969-05-05

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Publication Number Publication Date
US3622049A true US3622049A (en) 1971-11-23

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US821572A Expired - Lifetime US3622049A (en) 1969-05-05 1969-05-05 Dispensing system

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US (1) US3622049A (ja)
JP (1) JPS4836658B1 (ja)
CA (1) CA952492A (ja)
CH (1) CH529028A (ja)
DE (1) DE2021451A1 (ja)
FR (1) FR2047318A5 (ja)
GB (1) GB1298491A (ja)

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794247A (en) * 1972-11-22 1974-02-26 Corsette Douglas Frank Spray fitment for squeeze bottles
US3973701A (en) * 1975-06-06 1976-08-10 Glasrock Products, Inc. Foam generating and dispensing device
US3985271A (en) * 1975-06-06 1976-10-12 Glasrock Products, Inc. Foam generating and dispensing device
US4022351A (en) * 1975-04-03 1977-05-10 Hershel Earl Wright Foam dispenser
US4024992A (en) * 1975-11-24 1977-05-24 Schmid Hans G Air atomizer bottle sprayer with screw cap
US4044923A (en) * 1976-05-19 1977-08-30 Glasrock Products, Inc. Foam generating dispenser having a movable and stationary porous element
US4147306A (en) * 1977-09-28 1979-04-03 Bennett Robert S Foam producing apparatus
US4509661A (en) * 1981-11-24 1985-04-09 Toyo Seikan Kaisha, Ltd. Squeezable container for dispensing foamed sol
US4531659A (en) * 1982-02-26 1985-07-30 Wright Hershel E Foam dispensing device air return system
US4596343A (en) * 1985-04-12 1986-06-24 Ballard Medical Products Foam dispensing device
US4646973A (en) * 1985-08-07 1987-03-03 The Clorox Company Impingement foamer
US4846376A (en) * 1988-02-25 1989-07-11 Ballard Medical Products Inversion foamer
US4928861A (en) * 1989-01-06 1990-05-29 Schiemann Dr Wolfram Plastic-canister screw closure
US4957218A (en) * 1986-07-28 1990-09-18 Ballard Medical Products Foamer and method
USRE33564E (en) * 1981-12-14 1991-04-02 Ballard Medical Products Foam dispensing device
US5056689A (en) * 1990-01-08 1991-10-15 Ciba-Geigy Corporation Apparatus for removing components from solutions
US5080800A (en) * 1990-01-08 1992-01-14 Ciba-Geigy Corporation Process for removing components from solutions
US5249715A (en) * 1991-04-23 1993-10-05 Supermatic Kunststoff Ag Dispensing container with an optionally removable insert in the neck of the container
US5301846A (en) * 1991-03-01 1994-04-12 Perfect-Valois Ventil Gmbh Spray bottle
US5339988A (en) * 1992-10-19 1994-08-23 Ballard Medical Products Disposable tray sump foamer, assembly and methods
US5496471A (en) * 1990-01-08 1996-03-05 Ciba-Geigy Corporation Apparatus for removing components from solutions
US5495965A (en) * 1994-04-25 1996-03-05 Aptar Group, Inc. Dip tube for hand operated dispensing device
US5518151A (en) * 1994-04-25 1996-05-21 Aptar Group, Inc. Dip tube for hand operated dispensing device
US5725129A (en) * 1995-06-06 1998-03-10 American Sterilizer Company Dual-container foam dispenser
US5803315A (en) * 1997-01-06 1998-09-08 Kaufman Products Inc. Dispenser having removable container
US5884817A (en) * 1997-01-30 1999-03-23 Kaufman Products Inc. Tilt dispenser
US5894961A (en) * 1997-01-24 1999-04-20 Kaufman Products Inc. Dispenser with resilient reservoir structure
US5904272A (en) * 1997-11-12 1999-05-18 Kaufman Products Inc. Dispenser for liquids
US5984146A (en) * 1996-09-27 1999-11-16 Kaufman; John G. Dispenser having foamed output
US6447490B1 (en) * 1997-08-07 2002-09-10 James Zhou Liu Vagina cleaning system for preventing pregnancy and sexually transmitted diseases
US6513681B2 (en) 2001-02-22 2003-02-04 Seaquist Closures Foreign, Inc. Spray closure with a push-pull seal
US20050210572A1 (en) * 2004-03-25 2005-09-29 Fogel Jeffrey B Portable bidet
US20060207007A1 (en) * 2004-03-25 2006-09-21 Fogel Jeffrey B Portable bidet
US20060241209A1 (en) * 2005-04-22 2006-10-26 Madle Thomas G Colorants, dispersants, dispersions, and inks
US8230820B2 (en) * 2007-03-22 2012-07-31 Ambic Equipment Limited Dip cup
US20140008394A1 (en) * 2012-07-03 2014-01-09 Paulus Antonius Augustinus Höfte Foam Generating Dispenser
CN104029903A (zh) * 2014-06-01 2014-09-10 济南大学 环保涂料贮罐
CN104029904A (zh) * 2014-06-01 2014-09-10 济南大学 莲花式防干燥生态可降解储液罐
US20150144662A1 (en) * 2013-11-22 2015-05-28 Toly Korea, Inc. Cosmetic container with pulverizing apparatus for granulated cosmetic
USD743020S1 (en) * 2014-05-30 2015-11-10 Ketan C. Mehta Nasal rinse tip
US20160311588A1 (en) * 2013-12-17 2016-10-27 Aptar Radolfzell Gmbh Protective cap for a dispenser and dispenser for discharging pharmaceutical and/or cosmetic liquids
US20160318646A1 (en) * 2013-12-26 2016-11-03 Yonwoo Co. Ltd. Foam jetting tube container
US9718070B2 (en) 2012-08-31 2017-08-01 Arminak & Associates, Llc Inverted squeeze foamer
DE102016108447A1 (de) * 2016-05-06 2017-11-09 S O L O Kleinmotoren Gesellschaft Mit Beschränkter Haftung Verschäumungseinheit zum Erzeugen von Schaum aus einem Gemisch aus Gas und Flüssigkeit sowie Sprühgerät zum Erzeugen und Verteilen von Schaum

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LU72519A1 (ja) * 1975-05-20 1977-02-10
DE3668426D1 (de) * 1985-01-28 1990-03-01 Earl Wright Co Schaumerzeuger.
JPS62246344A (ja) * 1986-04-21 1987-10-27 清水建設株式会社 拭き取り式平面清掃装置
JPS62246343A (ja) * 1986-04-21 1987-10-27 清水建設株式会社 拭き取り式平面清掃装置
GB2237070A (en) * 1989-10-17 1991-04-24 Metal Box Plc Liquid dispenser bottle
JP2009154884A (ja) * 2007-12-25 2009-07-16 Kao Corp スクイズ式泡吐出容器

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US2729505A (en) * 1951-04-05 1956-01-03 Salmon C Harvey Lather foam dispenser
US2761833A (en) * 1951-12-26 1956-09-04 Samuel I Ward Liquid treating apparatus
US2812117A (en) * 1955-03-29 1957-11-05 Abbott Lab Venoclysis apparatus
US3010613A (en) * 1957-05-03 1961-11-28 Stossel Ernest Foam producing and dispensing device
CA744255A (en) * 1966-10-11 Krakowsky Hans Container
US3346146A (en) * 1966-02-25 1967-10-10 Schering Corp Combination dispenser
US3361304A (en) * 1966-02-25 1968-01-02 Schering Corp Medicament atomizer and foamer
US3422993A (en) * 1967-07-26 1969-01-21 Johnson & Son Inc S C Foam dispensing device and package

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Publication number Priority date Publication date Assignee Title
CA744255A (en) * 1966-10-11 Krakowsky Hans Container
US2729505A (en) * 1951-04-05 1956-01-03 Salmon C Harvey Lather foam dispenser
US2761833A (en) * 1951-12-26 1956-09-04 Samuel I Ward Liquid treating apparatus
US2812117A (en) * 1955-03-29 1957-11-05 Abbott Lab Venoclysis apparatus
US3010613A (en) * 1957-05-03 1961-11-28 Stossel Ernest Foam producing and dispensing device
US3346146A (en) * 1966-02-25 1967-10-10 Schering Corp Combination dispenser
US3361304A (en) * 1966-02-25 1968-01-02 Schering Corp Medicament atomizer and foamer
US3422993A (en) * 1967-07-26 1969-01-21 Johnson & Son Inc S C Foam dispensing device and package

Cited By (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794247A (en) * 1972-11-22 1974-02-26 Corsette Douglas Frank Spray fitment for squeeze bottles
US4022351A (en) * 1975-04-03 1977-05-10 Hershel Earl Wright Foam dispenser
US3973701A (en) * 1975-06-06 1976-08-10 Glasrock Products, Inc. Foam generating and dispensing device
US3985271A (en) * 1975-06-06 1976-10-12 Glasrock Products, Inc. Foam generating and dispensing device
US4024992A (en) * 1975-11-24 1977-05-24 Schmid Hans G Air atomizer bottle sprayer with screw cap
US4044923A (en) * 1976-05-19 1977-08-30 Glasrock Products, Inc. Foam generating dispenser having a movable and stationary porous element
US4147306A (en) * 1977-09-28 1979-04-03 Bennett Robert S Foam producing apparatus
US4509661A (en) * 1981-11-24 1985-04-09 Toyo Seikan Kaisha, Ltd. Squeezable container for dispensing foamed sol
USRE33564E (en) * 1981-12-14 1991-04-02 Ballard Medical Products Foam dispensing device
US4531659A (en) * 1982-02-26 1985-07-30 Wright Hershel E Foam dispensing device air return system
US4640440A (en) * 1985-04-12 1987-02-03 Ballard Medical Products Foam dispensing device
US4596343A (en) * 1985-04-12 1986-06-24 Ballard Medical Products Foam dispensing device
US4646973A (en) * 1985-08-07 1987-03-03 The Clorox Company Impingement foamer
US4957218A (en) * 1986-07-28 1990-09-18 Ballard Medical Products Foamer and method
US4846376A (en) * 1988-02-25 1989-07-11 Ballard Medical Products Inversion foamer
US4928861A (en) * 1989-01-06 1990-05-29 Schiemann Dr Wolfram Plastic-canister screw closure
US5639378A (en) * 1990-01-08 1997-06-17 Ciba-Geigy Corporation Method for removing components from solutions
US5612361A (en) * 1990-01-08 1997-03-18 Ciba-Geigy Corporation Apparatus for removing components from solutions
US5496471A (en) * 1990-01-08 1996-03-05 Ciba-Geigy Corporation Apparatus for removing components from solutions
US5056689A (en) * 1990-01-08 1991-10-15 Ciba-Geigy Corporation Apparatus for removing components from solutions
US5080800A (en) * 1990-01-08 1992-01-14 Ciba-Geigy Corporation Process for removing components from solutions
US5301846A (en) * 1991-03-01 1994-04-12 Perfect-Valois Ventil Gmbh Spray bottle
US5249715A (en) * 1991-04-23 1993-10-05 Supermatic Kunststoff Ag Dispensing container with an optionally removable insert in the neck of the container
US5339988A (en) * 1992-10-19 1994-08-23 Ballard Medical Products Disposable tray sump foamer, assembly and methods
US5372281A (en) * 1992-10-19 1994-12-13 Ballard Medical Products Disposable tray sump foamer, assembly and methods
US5452823A (en) * 1992-10-19 1995-09-26 Ballard Medical Products Disposable tray sump foamer, assembly and methods
US5518151A (en) * 1994-04-25 1996-05-21 Aptar Group, Inc. Dip tube for hand operated dispensing device
US5495965A (en) * 1994-04-25 1996-03-05 Aptar Group, Inc. Dip tube for hand operated dispensing device
US5725129A (en) * 1995-06-06 1998-03-10 American Sterilizer Company Dual-container foam dispenser
US5984146A (en) * 1996-09-27 1999-11-16 Kaufman; John G. Dispenser having foamed output
US5803315A (en) * 1997-01-06 1998-09-08 Kaufman Products Inc. Dispenser having removable container
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Also Published As

Publication number Publication date
JPS4836658B1 (ja) 1973-11-06
FR2047318A5 (ja) 1971-03-12
CA952492A (en) 1974-08-06
CH529028A (de) 1972-10-15
GB1298491A (en) 1972-12-06
DE2021451A1 (de) 1970-11-12

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