EP3601096B1 - Selbstverschliessender luftloser messspender - Google Patents

Selbstverschliessender luftloser messspender Download PDF

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Publication number
EP3601096B1
EP3601096B1 EP18776198.6A EP18776198A EP3601096B1 EP 3601096 B1 EP3601096 B1 EP 3601096B1 EP 18776198 A EP18776198 A EP 18776198A EP 3601096 B1 EP3601096 B1 EP 3601096B1
Authority
EP
European Patent Office
Prior art keywords
pump chamber
dispensing
flange
container
dispensing device
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.)
Active
Application number
EP18776198.6A
Other languages
English (en)
French (fr)
Other versions
EP3601096A1 (de
EP3601096A4 (de
Inventor
Roger J. Laflamme
Jim Warner
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.)
1touch Holdings Inc
Original Assignee
1touch Holdings 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 1touch Holdings Inc filed Critical 1touch Holdings Inc
Priority claimed from PCT/US2018/025490 external-priority patent/WO2018183907A1/en
Publication of EP3601096A1 publication Critical patent/EP3601096A1/de
Publication of EP3601096A4 publication Critical patent/EP3601096A4/de
Application granted granted Critical
Publication of EP3601096B1 publication Critical patent/EP3601096B1/de
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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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • 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
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring

Definitions

  • This invention relates generally to dispensing devices and packages. More specifically, the present invention relates to metering devices that can controllably dispense fluid media from a source of fluid media.
  • fluid material and media are employed for different purposes through commerce and industry.
  • various products in the personal care, home care, air care, medical, transportation care, and food industries that require some type of dispensing of a fluid material from a source of such material.
  • this material When this material is sold in commerce, it must be contained and stored in some type of container. When that product is used, it must be dispensed from its storage container to a location for use.
  • a flexible container body with a nozzle tip that includes a separate one-way valve that must be inserted into the nozzle to prevent drip or contamination is commonly provided for such a purpose.
  • An application of such use is for the dispensing of ketchup where the container body is squeezed by the user to urge the fluid material out from the nozzle tip and accurately to a desired location.
  • the amount of fluid delivered is determined by the how much the user squeezed the container body.
  • the container must be held upright to avoid leakage because no valves are employed.
  • a flexible container holds a volume of fluid material to be delivered.
  • a single one-way check valve is provided as an exit port from the flexible container. When the flexible body is squeezed, the material is urged out under pressure through the valve.
  • US 2014/339266 relates to a metered fluid dispensing system.
  • the present invention preserves the advantages of prior art dispensing devices. In addition, it provides new advantages not found in currently available devices and overcomes many disadvantages of such currently available devices.
  • a liquid dispensing device according to claim 1.
  • the invention is generally directed to a novel and unique dispenser for delivering a measured dose of fluid material upon each dispensing operation with an optional applicator for even distribution of the dispensed fluid material. Also disclosed herein is a self-sealing feature that prevents drips and contamination.
  • the dispensing device has a top part and a bottom part.
  • the top part includes a pump dome, a pump chamber ridge, and pump chamber flange, a portion of which extends away from the center of the pump chamber dome in a projection or "neck.”
  • the bottom part includes a pump chamber, a pump chamber flange, a neck portion, and a dispensing head having an outlet at the end of a dispensing channel. The dispensing channel and the outlet are situated in a portion of the dispensing head that extends below the plane of the neck portion.
  • the top part is sealed to the bottom part along the entirety of the periphery of the top part, creating a first channel between the pump chamber and the dispensing side of the dispenser, which first channel is in liquid communication with a second channel (the dispensing channel) integrally formed in the bottom side via a first port.
  • the second channel leads to an outlet at one end of the dispensing device.
  • the pump chamber has a second port through its bottom surface for allowing movement of fluid into the pump chamber from the container upon action of the pump dome.
  • the underside of the bottom part of pump chamber flange of the dispensing device is sealed to the container along the perimeter of an opening or hole in the container, which opening or hole preferably has a shape and diameter that is approximately the same as the inside diameter of the pump chamber flange or the outside diameter of the pump chamber.
  • the container is preferably a flexible bag made of thin film material.
  • the container is a flexible bag made of two sheets of thin film material sealed to one-another along their respective peripheries.
  • the dispensing device is also sealed to the outside surface of the container at the bottom surface of the distal end of the dispensing side ("the dispensing head") of the dispenser.
  • Sealing of the dispensing element to the container is discontinuous. That is, the dispensing element is sealed to the container in two discrete areas, namely the flange of the pump chamber and the bottom of the distal portion of the dispensing head.
  • the area of the dispensing element between the pump chamber and the distal end of the dispensing head, referred herein as the neck portion, is not sealed to the container.
  • the dispensing head portion of the bottom of the dispensing element extends below the plane of the pump chamber flange.
  • This geometry coupled with the discontinuous sealing of the top film of the container to the dispensing element causes the neck portion of the dispensing device to flex when the container is filled with fluid causing the rigid bottom portion to flex out of its planar orientation/conformation, pinching shut the channel that connects the pump chamber to the first port and which is formed in the neck when the top part is sealed to the bottom part, effectively creating a valve without additional valve structure, i.e., a "pinch valve.”
  • Pressing the pump chamber dome forces liquid from the pump chamber into the neck channel, through the pinch valve and ultimately out the dispensing head through the outlet, but when the pump chamber is not being activated, the geometry of the device forces the channel closed at the pinch valve, preventing the leaking of undesired fluid from the outlet. While fluid resides in the distal portion of the neck channel and in the channel that traverses the dispensing head, that fluid is held in place by vacuum due to the narrow diameter of the passage.
  • the dispensing device 1 of the invention includes a top part 10 and a bottom part 20.
  • the dispensing device is configured for attaching to the surface of liquid or gel container 40.
  • the container 40 is flexible, at least on one side, and more preferably is constructed of upper film 42 and lower film 44 sealed to one-another along their respective peripheries.
  • the container 40 preferably contains little to no air when it is filled with its liquid or gel contents and preferably collapses as it is emptied of its contents.
  • the container has an opening in its flexible surface sized to receive a portion of the bottom part.
  • Top part 10 of the dispensing device 1 includes a flexible pump chamber dome 12, surrounded by pump chamber ridge 14, which in turn is surrounded by pump chamber flange 16. Once portion of pump chamber flange 16 extends away from the center of the pump chamber dome in a top part flange projection 18.
  • the top part is made of flexible elastomeric shape memory material to allow the pump chamber dome to be depressed by a user and then return to its original shape when released.
  • the top part is preferably molded as a single unit.
  • the bottom part 20 of dispensing device 1 includes pump chamber 21 having a receiving port 22 for receiving liquid/gel from container 40.
  • the pump chamber is circular in shape and preferably corresponds generally to the shape and size of the pump chamber dome 12.
  • the pump chamber 21 is preferably bound along its periphery by pump chamber lower ridge 23, which in turn is surrounded by bottom part flange 24.
  • the port 22 may be located on a sloped region 25 of said pump chamber 21.
  • a portion of the bottom part flange extends away from the center of pump chamber 21 in a bottom part flange projection or neck 26.
  • the bottom part flange projection 26 may be preferably shaped and sized to correspond to the shape and size of top part flange projection 18.
  • Dispensing head 27 of the bottom part 20 includes dispensing port 28 on a top surface of said dispensing head 27 in communication with a dispensing channel 29 inside said dispensing head, which opens at an opposite end at outlet 30.
  • the dispensing head may also have lateral flanges or "wing portions" 31 that are preferably co-planar with the interface of said dispensing port 28 with said top surface of said bottom part when the bottom part is not deformed by attachment to a fluid-filled container.
  • the bottom part is preferably constructed of more rigid material than the top part, and may be preferably molded as a single integrated unit.
  • the dispensing device 1 is constructed by affixing the bottom surface of said pump chamber flange 16 to a top surface of said bottom part flange 24, including affixing a bottom surface of said top part flange projection 18 to a top surface of said bottom part flange projection 26, leaving a delivery channel 32 between said top and bottom portions along a central axis thereof between said pump chamber/pump chamber dome and said dispensing port 28.
  • the distal end of the top part flange projection may terminate just beyond the location on the bottom part of the dispending port 28.
  • the assembled dispensing device 1 is affixed to container 40 by inserting the pump chamber portion 21 of the bottom part 20 into a correspondingly sized and shaped opening in a flexible surface of said container.
  • the container is then sealed to the bottom surface of said bottom part flange, optionally including a proximate portion of said bottom part flange projection, and to a bottom surface of said dispending head.
  • an area of discontinuity or lack of attachment between the container 40 and the dispensing device is provided at a region of the bottom flange projection that is proximate to (before) the dispending head.
  • This region of discontinuity may be just the last 2-3 millimeters before the dispensing head, or it may be all or nearly all of the portion of the flange projection between the dispensing head and the pump chamber flange.
  • the dispensing head portion of the bottom of the dispensing element extends below the plane of the pump chamber flange due to the rigidity of the bottom part. Accordingly, the bottom part must be sufficiently rigid to maintain this conformation while at rest/not under force.
  • the geometry of the dispensing device, coupled with the discontinuous sealing of the top film of the container to the bottom part of the dispensing device causes the neck portion of the dispensing device (formed by the top and bottom flange extensions) to flex, pinching shut the channel that connects the pump chamber to the first port and which is formed in the neck when the top part is sealed to the bottom part, effectively creating a valve without additional valve structure, i.e., a "pinch valve.”
  • the bottom of the dispensing head extends past the edge of the container as shown in Figure 9 .
  • the location of dispensing head is no longer on top of the container and thus no longer causes a pinch in the delivery channel.
  • a nub or other feature 50 is molded or otherwise provided on the bottom side of the bottom part flange projection 26. No discontinuity of connection is required for the proper operation of this embodiment.
  • the dispensing device may optionally be affixed to the container throughout its entire bottom surface (except for the dispensing head, which extends past the edge of the container) for a very secure connection. When the dispending device is fixed to the container, the fluid in the container forces the nub upward, pinching the delivery channel shut with sufficient force to prevent leaking. User activation of the pump chamber provides sufficient force to urge fluid past the pinch valve, through the delivery port, dispensing channel and outlet.
  • the pinching element may be provided on the container or between the container and the delivery device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Claims (5)

  1. Vorrichtung zum Abgeben von Flüssigkeit (1), Folgendes umfassend:
    einen Behälter (40) mit einer flexiblen Oberfläche;
    einen oberen Teil mit elastomerem Formgedächtnis (10), der eine Pumpkammerwölbung (12), einen ringförmigen Steg der Pumpkammer (14) um eine Umrandung der Pumpkammerwölbung (12), und einen planaren Flansch des oberen Teils der Pumpkammer (16) um eine Umrandung des ringförmigen Stegs der Pumpkammer (14) aufweist, wobei sich ein Abschnitt des Pumpkammerflanschs (16) von einer Mitte der Pumpkammerwölbung (12) weg in eine Erweiterung des Pumpkammerflanschs (18) erstreckt;
    einen steifen unteren Teil (20), der einen ringförmigen Pumpkammerabschnitt (21) und einen Abgabekopfabschnitt (27) aufweist, der mit einem Halsabschnitt (26) verbunden ist, wobei der Abgabekopfabschnitt (27) eine Zufuhröffnung (28) auf einer Oberseite davon nahe des Halsabschnitts (26) definiert, wobei der Pumpkammerabschnitt (21) einen ringförmigen Flansch des unteren Teils der Pumpkammer (24) aufweist, wobei der steife untere Teil (20) mit einem Äußeren der flexiblen Behälteroberfläche entlang einer unteren Fläche des ringförmigen Flanschs des unteren Teils der Pumpkammer (24) verbunden ist, wobei sich ein Abschnitt des steifen unteren Teils (20) durch eine Öffnung in und unterhalb von der flexiblen Behälteroberfläche erstreckt;
    einen Fluidauslass (30) an einem distalen Ende des Abgabekopfabschnitts (27); und
    einen Abgabekanal (29), der mit der Zufuhröffnung (28) und dem Fluidauslass (30) verbunden ist,
    wobei der Halsabschnitt (26) eine Erweiterung des ringförmigen Flanschs des unteren Teils der Pumpkammer (24) ist; und der ringförmige Flansch des unteren Teils der Pumpkammer (24) und der Halsabschnitt (26) in einem ungespannten Zustand komplanar sind, wobei der obere Teil (10) entlang eines Umfangs des planaren Flanschs des oberen Teils der Pumpkammer (16) mit dem unteren Teil (20) und der Erweiterung des Pumpkammerflanschs (18) verbunden ist, um einen Kanal (32) zwischen der Pumpkammer (21) und der Zufuhröffnung (28) angrenzend an die und oberhalb der flexiblen Behälteroberfläche zu definieren.
  2. Vorrichtung zum Abgeben von Flüssigkeit nach Anspruch 1, wobei eine untere Fläche des Abgabekopfabschnitts (27) mit dem Äußeren der flexiblen Behälteroberfläche verbunden ist, und ferner einen Diskontinuitätsbereich umfassend, worin mindestens ein Abschnitt des Halsabschnitts (26) nicht mit dem Behälter (40) verbunden ist.
  3. Vorrichtung zum Abgeben von Flüssigkeit nach Anspruch 1, wobei ein Abschnitt des Abgabekopfs (27), der den Abgabekanal (29) enthält, nicht komplanar mit dem Flansch des unteren Teils der Pumpkammer (24) und dem Halsabschnitt (26) ist.
  4. Vorrichtung zum Abgeben von Flüssigkeit nach Anspruch 2, wobei der Diskontinuitätsbereich und eine Steifheit des unteren Abschnitts ein Quetschventil in dem Kanal (32) zwischen der Pumpkammer und der Zufuhröffnung (28) schafft.
  5. Vorrichtung zum Abgeben von Flüssigkeit nach Anspruch 1, wobei der Abgabekopf (27) seitliche Flansche (31) umfasst, die komplanar zu dem Hals (26) und dem ringförmigen Flansch des unteren Teils der Pumpkammer (24) sind, wenn der untere Teil nicht gespannt ist.
EP18776198.6A 2017-03-30 2018-03-30 Selbstverschliessender luftloser messspender Active EP3601096B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762478917P 2017-03-30 2017-03-30
PCT/US2018/025490 WO2018183907A1 (en) 2017-03-30 2018-03-30 Self sealing airless measured dispenser

Publications (3)

Publication Number Publication Date
EP3601096A1 EP3601096A1 (de) 2020-02-05
EP3601096A4 EP3601096A4 (de) 2021-01-06
EP3601096B1 true EP3601096B1 (de) 2023-10-25

Family

ID=69006103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18776198.6A Active EP3601096B1 (de) 2017-03-30 2018-03-30 Selbstverschliessender luftloser messspender

Country Status (2)

Country Link
EP (1) EP3601096B1 (de)
CN (1) CN111094147B (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032319A (zh) * 1987-09-29 1989-04-12 喷雾科技企业公司 半液体的粘性的或糊状的产品用的分配器头
FR2813283B1 (fr) * 2000-08-25 2003-02-14 Valois Sa Distributeur a pompe integree
JP4116331B2 (ja) * 2002-05-30 2008-07-09 二瀬 克規 液状被包装物の注出装置および注出構造
CN1750883A (zh) * 2003-02-18 2006-03-22 英克罗有限公司 分配器喷嘴或与其有关的改进
US8061566B2 (en) * 2007-04-26 2011-11-22 Sealed Air Corporation (Us) Metering dispensing system with improved valving to prevent accidental dispensing of liquid therefrom
DE102006017957B3 (de) * 2006-04-13 2007-05-16 Kunststofftechnik Waidhofen An Selbstschließendes Ventil
CN101583542B (zh) * 2006-09-08 2013-07-10 因斯蒂尔医学技术有限公司 用于分配流体的装置和方法
US8038034B2 (en) * 2008-10-03 2011-10-18 Gojo Industries, Inc. Fluid dispenser for personal use
EP2660188A1 (de) * 2012-05-02 2013-11-06 Anheuser-Busch InBev S.A. Getränkeausschankeinheit mit öffenbarem Klemmventil
US10160587B2 (en) * 2013-04-18 2018-12-25 Mhsco Holdings Llc Metered fluid dispensing system

Also Published As

Publication number Publication date
CN111094147A (zh) 2020-05-01
EP3601096A1 (de) 2020-02-05
EP3601096A4 (de) 2021-01-06
CN111094147B (zh) 2022-08-12

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