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WO2012166582A1 - Dispositif et procédé pour distribuer des liquides - Google Patents

Dispositif et procédé pour distribuer des liquides Download PDF

Info

Publication number
WO2012166582A1
WO2012166582A1 PCT/US2012/039535 US2012039535W WO2012166582A1 WO 2012166582 A1 WO2012166582 A1 WO 2012166582A1 US 2012039535 W US2012039535 W US 2012039535W WO 2012166582 A1 WO2012166582 A1 WO 2012166582A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
nozzle
valve
fluid
fluids
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.)
Ceased
Application number
PCT/US2012/039535
Other languages
English (en)
Inventor
Anil Kalyanpur
Richard Suhr
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.)
Prairie Inc
Original Assignee
Prairie 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 Prairie Inc filed Critical Prairie Inc
Publication of WO2012166582A1 publication Critical patent/WO2012166582A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping
    • B05B11/1084—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping each liquid or other fluent material being pumped by a separate pump
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/055—Piston or plunger for supplying the liquid to the applicator
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/056—Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • the present invention relates to a dual pump container, and more particularly, to a two compartment container for holding two fluids separate for coordinated dispensing.
  • a two-compartment container has independent vessels or storage compartments that can hold various combinations of fluids, powders, or pastes that are stored in a separated state until the user decides to utilize the products.
  • These types of containers are most useful in applications where keeping product ingredients separate until use extends shelf life or enhances product effectiveness over a product that is mixed prior to shipping. Applications for such containers include, but are not limited to, storage of cosmetic creams and lotions, skin cleaners, shampoos, conditioners and hair coloring.
  • Another factor that shortens product life is oxidation from contact with the air. This frequently occurs through two different means, the first being through the dispenser nozzle where the nozzle is open and allows air to contact the ingredients.
  • the second is through air being forced into the container to replace the dispensed product.
  • a pump dispenser is utilized, if the pressure inside the container is not equalized a vacuum will form within the container and the pump will not be able to over come the internal vacuum pressure created by the void created when the product is dispensed.
  • the present disclosure relates to a container for storing at least two fluids comprised of a first compartment for holding a first fluid and a second compartment for holding a second fluid until such time as the user decides to mix the fluids.
  • the fluids may be liquids or gases or a combination of liquids and gases.
  • fluids include water based liquids, alcohol based liquids, oil based liquids, petroleum based ointments, and viscous liquids, such as gels, oils, and ointments.
  • a container for dispensing two fluids simultaneously comprises an outer container for holding a first inner container and a first fluid and a second inner container and a second fluid.
  • a pump assembly comprising a spring in communication with the first and second fluids, a first piston for adjusting the volume of the first inner container and a second piston for adjusting the volume of the second inner container.
  • the container also contains a nozzle for mixing and dispensing the first and second fluid.
  • the nozzle comprises a first solid lip and a second flexible lip.
  • the second flexible lip comprises TPE, NBR or silicone.
  • the pump creates a vacuum to draw up the first and second fluids.
  • the nozzle comprises an inner nozzle and an outer nozzle.
  • the nozzle contains an inner nozzle that is a one way valve.
  • the first inner container further comprises a one way valve for equalizing the pressure below the first piston and the second inner container further comprises a one way valve for equalizing the pressure below the second piston.
  • an outer container surrounding two or more inner containers containing fluids to be simultaneously dispensed utilizing a pump.
  • the pump mechanism does not allow air to contact the fluids within the two or more containers.
  • the inner containers contain a piston that slidably traverses the length of the inner containers to decrease the pressure on the fluids within the containers so as to prevent the creation of a vacuum within the containers.
  • a container assembly for dispensing two fluids simultaneously comprising and an outer container for holding a first inner container and a first fluid and a second inner container and a second fluid and a pump assembly comprising a spring.
  • the embodiment further comprises a first valve for maintaining pressure within the first and second inner containers and a second valve.
  • the second valve is a nozzle valve.
  • the outer container contains a valve that allows air to be drawn into the void surrounding the two or more inner containers thereby maintaining a balance of pressure on the pistons within the two or more containers.
  • FIG. 1A is a cross sectional front view of the multi-compartment container in accordance with an embodiment of the present disclosure
  • FIG. 1 B is a front view of the multi-compartment container in accordance with an embodiment of the present disclosure
  • FIG. 2 is a cross sectional side view of the multi-compartment container in accordance with an embodiment of the present disclosure
  • FIG. 3A is a cross sectional top view of the nozzle button portion of the container in accordance with an embodiment of the present disclosure
  • FIG. 3B is a front view of the nozzle button portion of the container in accordance with an embodiment of the present disclosure
  • FIG. 4 is a cross sectional view of an inner container in accordance with an embodiment of the present disclosure.
  • FIG. 5 is a cross sectional view of a piston in accordance with an embodiment of the present disclosure.
  • FIG. 6 is a cross sectional view of a valve in accordance with an embodiment of the present disclosure.
  • FIG. 7 is a cross sectional view of a valve adapter in accordance with an embodiment of the present disclosure.
  • FIG. 8 is a cross sectional top and side view of a inner nozzle in accordance with an embodiment of the present disclosure
  • FIG. 9 depicts multiple views of the nozzle tip of the multi-compartment container in accordance with an embodiment of the present disclosure
  • FIG. 10 depicts a top view of the gasket of the multi-compartment container in accordance with an embodiment of the present disclosure.
  • FIG. 1 1 depicts multiple views of an outer cap of a push button of the multi-compartment container in accordance with an embodiment of the present disclosure
  • FIG. 1 A depicts a multi-compartment container 100 in accordance with an embodiment.
  • Multi-compartment container 100 is comprised of cap 1 , push button 2, shoulder 3, outer compartment 4, inner containers 5, pistons 6, valve 8, valve adapter 9, pump assembly 10, and gasket 1 1 .
  • multi-compartment 100 contains two inner containers 5 housed within outer container 4, although the actual number of inner containers may vary depending on the number of fluids that need to be dispensed. As will be appreciated by those skilled in the art, as the number of inner containers 5 varies, so do the number of pistons 6 and the valves and valve adapters 8 and 9 respectively.
  • cap 1 is intended to cover push button 2 to prevent accidental discharge of the fluids contained within inner containers 5.
  • Cap 1 is held in place on outer bottle 4 by pressure, notches, threads or any other known latching techniques.
  • Push button 2 as seen in FIG. 3 fits on top of pump assembly 10 and contains nozzle 20.
  • Nozzle 20 may be comprised of nozzle tip 21 and inner nozzle 22.
  • Push button 2 may be any shape that is conducive to pumping by a finger such as oval, square, rectangle, and may contain a depression on the surface or be flat.
  • Push button 2 contains tubes 23 and 24 that can be molded into push button 2 or may be separate. A detailed view of an exemplary push button 2 may be seen in FIG. 1 1 .
  • Tubes 23 and 24 deliver the fluid contained in inner containers 5 to nozzle 20.
  • Also integral in push button 2 are columns 25 and 26 that allow the pump assembly 10 to nest within push button 2 to communicate the fluid to the user via nozzle 20.
  • shoulder 3 connects to outer compartment 4 and retains pump assembly 10 and push button 2 in place. Additionally or alternatively, shoulder assembly 3 may be integrated with outer container 4 and form a single unitary component.
  • outer container 4 is oval in shape and may be composed of glass, polycarbonate such as PCTA, or any other suitable polymer or plastic. Further, outer container 4 may be any shape, including, round, square, triangular, or any other multi faceted shape without departing from the sprit of the disclosure. Outer container 4 must be large enough to house inner containers 5 and all the other components of multi-compartment container 100. It is to be understood, that outer container 4 does not contain any fluids directly, and merely serves as the outer layer of multi-compartment container 100. Outer container 4 may be molded from a single piece of material or may be composed of several assembled pieces.
  • outer container 4 may contain one or more window 49, through which a user may see the content and or level of the fluids within inner containers 5.
  • the windows 49 therefore should be made out of transparent materials such as PCTA or other transparent plastics or polymers. Additionally or alternatively the windows 49 may be tinted a specific color to create the illusion of fluids within the inner containers.
  • valve cups 41 and 42 molded into the inner bottom surface of outer container 4 are valve cups 41 and 42.
  • Valve cups 41 and 42 are of a size large enough to hold valves 8 and valve adapters 9.
  • holes 43 and 44 are through outer container 4. Holes 43 and 44 allow for ambient air to flow into outer container 4 during dispensing of the fluids contained in inner containers 5 as will be described more fully below.
  • multi-compartment container 100 contains two inner containers 5.
  • Inner containers 5 contain the fluids that remain separated until dispensed through nozzle 20.
  • inner containers 5 are generally cylindrical and tube like in nature and may be made from glass, polypropylene, or any other polymer or copolymer or plastic material.
  • Inner container 5 may be any shape as long as the other components, such as piston 6 and outer container 4 are adjusted accordingly to accommodate the various geometries.
  • Inner container 5 contains a top opening 51 and a bottom opening 52.
  • Top opening 51 must be of sufficient size to accommodate pump assembly 10 which nests inside or in contact with inner containers 5 via top opening 51 .
  • the diameter of bottom opening 52 must be of sufficient size to encase valve cups 41 and 42.
  • inner containers 5 are seated on gasket 1 1 and create an air tight seal around valve cups 41 and 42.
  • a flexible gasket 1 1 at the base of outer container 4, may be a flexible gasket 1 1 .
  • Flexible gasket 1 1 may be made out of any flexible rubber such as NBR and is intended to create a seal at the base of inner containers 5.
  • Flexible gasket 1 1 may be seen in an enlarged view in FIG.10.
  • Piston 6 mounted within each inner container 5 is a piston 6.
  • Piston 6 may be made of the same material as inner container 5 or made from a different material.
  • piston 6 is generally circular in shape and has "H" shaped cross section as seen in FIG. 5. The diameter of piston 6 is of sufficient size to fit snugly within inner container 5. Edges 61 of piston 6 are outwardly bowed so as to cause edges 61 to snugly fit within the inner walls of inner container 5 when piston 6 is inserted.
  • Piston 6 must fit precisely within inner container 5 so as to ensure that the fluid contained within inner container 5 can not seep or leak past piston 6. Further piston 6 must fit such that it is slidably movable inside inner container 5 as the pressure inside inner container 5 is decreased. Also, piston 6 must be able to push the fluid contained in inner container 5 as it slides up the inner container.
  • fins 62 may be added to piston 6 to provide additional strength although other
  • valve 8 is a check valve that allows fluid to flow in only one direction.
  • Valve 8 may be made from any natural or synthetic rubber such as nitrile butadiene rubber (NBR) or any other flexible rubber that is generally resistant to oils, liquids, and other chemicals.
  • NBR nitrile butadiene rubber
  • K-NBR 2030 from Kumho
  • valve 8 is generally torodial in shape and is molded to nest within valve adapter 9.
  • Valve 8 contains outer wall 84 and is open at top opening 81 and bottom opening 83.
  • Inner side wall 82 is inwardly tapered from bottom opening 83 to top opening 81 , but other geometries may be utilized as long as valve 8 is designed to nest within valve adapter 9.
  • valve adapter 9 is nested together with valve 8 restricting fluid flow through bottom opening 83 and top opening 81 .
  • inner side walls 82 flex outwardly due to the compositional properties of valve 8 and allow the fluid to exit via top opening 81 .
  • fluid can only flow in one direction and can not enter back through top opening 81 .
  • FIG. 7 depicts an embodiment of a valve adapter 9 in an embodiment.
  • Valve adapter 9 is generally cylindrical and is of a complementary geometry to valve 8 so as to nest in contact with valve 8.
  • Valve adapter 9 may be composed of
  • Valve adapter 9 contains perimeter wall 91 , valve post 92 and base 93. In an assembled configuration, outer wall 84 and inner side wall 82 create space 85 into which perimeter wall 91 nests. Valve post 92 sits within inner side wall 82 and is in contact with inner side wall 82 to create a one way valve like configuration. Base 93 contains openings 93, through which fluid may be drawn up into bottom opening 83. The fluid then passes by valve post 92 forcing inner sidewall 82 to outwardly flex allowing the fluid to exit via top opening 81 . When the force driving up the fluid is removed, inner side wall 82 returns to its normal state in contact with valve post 92, thereby preventing fluid from flowing back through top opening 81 .
  • pump assembly 10 is a dual pump assembly for pumping two separate fluids, each contained within inner containers 5.
  • Pump assembly 10 may be an out spring type bottle dispensing pump that typically dispenses about 10 to 15 cc of fluid per pump. Additionally or alternatively, pump assembly 10 may be any type of hand pump that does not introduce air into the inner containers when fluid is dispensed.
  • pump assembly 10 sits within shoulder assembly 3 with the pump inputs 101 and 102 in contact with the fluid within inner containers 5 and the outputs 103 and 104 of the pumps in contact with tubes 23 and 24 of push button 2. With each depression of push button 2, a vacuum is created within pump assembly 9 thereby drawing in fluid from inner containers 5.
  • Pump assembly 10 is spring driven.
  • a spring with a thickness 0.55 mm and 1 1 .5 cycles was utilized.
  • the springs of pump assembly 9 are maintained in a semi compressed state.
  • the length of the spring at rest was 19.0 mm and 6.5 mm under compression.
  • push button 2 is depressed, thereby further
  • a spring with a pressure of 0.5 kg was utilized. After depression, the springs return to their semi- compressed state, creating the force necessary to draw the fluid from inner containers 5. No air is allowed to enter inner containers 5 to replace the volume of fluid dispensed, thereby a vacuum is created within inner container 5.
  • pistons 6 are draw up into inner container 5 as fluid is dispensed, thereby reducing the volume of inner containers 5 and maintaining a constant pressure within inner container 5.
  • fluid such as air is drawn into the void created by piston 6 to maintain ambient pressure below piston 6.
  • the fluid such as air, is drawn in though holes 42 and 43 in outer container 4 and is passed though the holes in valve adapter 9 past valve 8.
  • the drawn up fluid is communicated to nozzle 20 via tubes 23 and 24.
  • Nozzle 20 is comprised of nozzle tip 21 and inner nozzle 22.
  • inner nozzle 22 may be composed of a thermoplastic elastomer (TPE) or any other copolymer, silicone, rubber or plastic that displays properties of a thermoplastic rubber and with a hardness range of between 30 and 65 without departing from the disclosure.
  • TPE thermoplastic elastomer
  • SR 9000T TPE with a hardness value of 65 was used.
  • materials such as SR 9000 TPE, Santoprene and TF3 (TPE) with hardness values of 42, 38 and 30 respectively were used.
  • Inner nozzle 22 may be bill shaped with an upper portion 220 and a lower portion 221 as seen in FIG. 8.
  • Inner nozzle 22 contains a slit 222 through which the fluids are dispensed.
  • upper portions 220 and lower portion 221 substantially contact one another sealing slit 222 and preventing air from entering inner nozzle 22 and contacting the fluids remaining therein.
  • This normally closed position is due to the geometry of inner nozzle 22 and the thermo elastomeric properties of the materials.
  • the out pressure created by pump assembly 10 causes upper portion 220 and lower portion 221 to separate and open slit 222. Accordingly, the fluid is dispensed via slit 222.
  • Surrounding inner nozzle 22 is nozzle tip 21 .
  • Nozzle tip 21 may be made from a more rigid material such as polypropylene and surrounds and protects inner nozzle 22, Nozzle tip 21 may have a tab, lip, or ridge or any other configuration that allows it to be inserted into nozzle 20 and withheld in push button 2.
  • each of the inner containers 5 hold a separate fluid that are separately dispensed.
  • a user may depress push button 2 to dispense the mixed fluids.
  • Pump assembly 10 draws the fluids out of inner containers 5 and dispenses them through inner nozzle tip 21 of nozzle 20 to dispense to the user.
  • the inner nozzle tip 21 includes a spacer 223 separating the nozzle tip 21 into two portions, each of the two portions for dispensing one of the fluids from inner containers 5.
  • a vacuum is created inside inner containers 5 due to the fact that no air enters the inner containers to replace the dispensed fluid.
  • piston 6 is drawn into, and slides up the inside of inner container 5, thereby reducing the volume of inner container 5.
  • the pressure inside the inner containers 5 is equalized. Because the pressure within inner container 5 remains constant, the springs of pump assembly 10 do not need to overcome any potential vacuum forces created within inner containers 5.
  • valve 8 allows a volume of air to fill the void under piston 6. As piston 6 moves up, it causes outside or ambient air to be drawn in through openings 43 and 44 of outer container 4. That air is then allowed to flow through valve 8, filling the void created. Without this equalization of pressure below piston 6, the fluid within inner container 5 could be forced back down, causing piston 6 to slide
  • nozzle 20 is designed with inner nozzle tip 21 .
  • Inner nozzle tip 21 acts as a type of valve, that prevents air from mixing with the fluids maintained within tubes 23 and 24. In such an embodiment, the fluids contained within inner containers 5 remain isolated until after dispensed, are not subject to contamination from outside air, and are easily dispensed.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

La présente invention porte sur un récipient à compartiments multiples pour distribuer de multiples fluides simultanément tout en maintenant en même temps les fluides non distribués isolés vis-à-vis de l'air. Il y a un récipient externe qui renferme de multiples récipients internes contenant des fluides séparés, chaque récipient avec son propre ensemble de piston et de pompe. La buse de distribution contient également une soupape qui ne permet pas à l'air de se mélanger avec les fluides.
PCT/US2012/039535 2011-05-27 2012-05-25 Dispositif et procédé pour distribuer des liquides Ceased WO2012166582A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161490912P 2011-05-27 2011-05-27
US61/490,912 2011-05-27

Publications (1)

Publication Number Publication Date
WO2012166582A1 true WO2012166582A1 (fr) 2012-12-06

Family

ID=47259778

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/039535 Ceased WO2012166582A1 (fr) 2011-05-27 2012-05-25 Dispositif et procédé pour distribuer des liquides

Country Status (1)

Country Link
WO (1) WO2012166582A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773562A (en) * 1986-09-04 1988-09-27 L'oreal Dispenser head for mixing separate pasty substances and a storage unit provided with such a dispenser head
US20020000452A1 (en) * 1994-11-17 2002-01-03 Yoshino Kogyosho Co. Ltd. Container with pump for discharging bubbles
US20030201339A1 (en) * 1994-12-05 2003-10-30 Foster Donald D. Dual component trigger sprayer which mixes components in discharge passage
WO2005087616A1 (fr) * 2004-03-16 2005-09-22 Loctite (R & D) Limited Distributeur servant a distribuer deux ou plusieurs matieres

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773562A (en) * 1986-09-04 1988-09-27 L'oreal Dispenser head for mixing separate pasty substances and a storage unit provided with such a dispenser head
US20020000452A1 (en) * 1994-11-17 2002-01-03 Yoshino Kogyosho Co. Ltd. Container with pump for discharging bubbles
US20030201339A1 (en) * 1994-12-05 2003-10-30 Foster Donald D. Dual component trigger sprayer which mixes components in discharge passage
WO2005087616A1 (fr) * 2004-03-16 2005-09-22 Loctite (R & D) Limited Distributeur servant a distribuer deux ou plusieurs matieres

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