EP1215167A2 - Dispensing pourer for flowable media - Google Patents

Dispensing pourer for flowable media Download PDF

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Publication number
EP1215167A2
EP1215167A2 EP01811147A EP01811147A EP1215167A2 EP 1215167 A2 EP1215167 A2 EP 1215167A2 EP 01811147 A EP01811147 A EP 01811147A EP 01811147 A EP01811147 A EP 01811147A EP 1215167 A2 EP1215167 A2 EP 1215167A2
Authority
EP
European Patent Office
Prior art keywords
component
spout
pouring
injection
sleeve
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.)
Granted
Application number
EP01811147A
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German (de)
French (fr)
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EP1215167B1 (en
EP1215167A3 (en
Inventor
Thomas Weber
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.)
Medisize Schweiz AG
Original Assignee
Createchnic AG
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Filing date
Publication date
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Publication of EP1215167A2 publication Critical patent/EP1215167A2/en
Publication of EP1215167A3 publication Critical patent/EP1215167A3/en
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Publication of EP1215167B1 publication Critical patent/EP1215167B1/en
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    • 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
    • B05B11/01—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
    • B05B11/1064—Pump inlet and outlet valve elements integrally formed of a deformable material

Definitions

  • This invention relates to a dispenser spout for containers for various liquid, viscous and gel-like media, for example for liquid soaps, Disinfectants, cleaning agents or care products, but also for other liquids or flowable media of all kinds that have to be dosed in portions.
  • a dispenser spout for containers for various liquid, viscous and gel-like media, for example for liquid soaps, Disinfectants, cleaning agents or care products, but also for other liquids or flowable media of all kinds that have to be dosed in portions.
  • a dispenser spout for containers for various liquid, viscous and gel-like media, for example for liquid soaps, Disinfectants, cleaning agents or care products, but also for other liquids or flowable media of all kinds that have to be dosed in portions.
  • the dispenser spout can also be used to portion media can be used in gel form.
  • dispenser spouts are known in various designs. They are always screwed on to the bottom of a container and closed this container there tightly and allow the removal of predetermined Portions of the medium in the container. If the donor spouts can be mounted on the underside of the container, so it can mean that the container is a bottle, and then the dispenser spout screwed on top of the bottle mouth. For removing portions the whole bottle is dropped on a wall or on a support frame mounted so that the dispenser spout is ultimately attached to the bottom of the container is.
  • the dispenser spout itself consists of an essentially downward one directed pipe, inside which a membrane seal is installed, which acts as a one-way valve.
  • this membrane is a double membrane, that is, it is two spaced membranes in the form of rubber washers in Spout pipe arranged, which the spout pipe at different locations close tightly and each act as a one-way valve, so that liquid is basically can only flow around these rubber membranes from top to bottom.
  • rubber washers have a bevelled edge, so that this Sealing lip like a lip from below on the inner wall of the pouring spout is applied.
  • This gas bellows is used, for example, by a rubber-elastic hemisphere, but can also have a different shape have as long as they compress elastically into the original Form regresses.
  • the Bellows pressed in with one finger. You just have no hand free or dirty Hands, so the bellows can be clamped using a special wall bracket be squeezed together by operating the bracket with the elbow and presses on the bellows with its other end.
  • a donor spout screwed onto a container the container liquid initially only flows up to the first rubber membrane seen from top to bottom. If the gas bellows compressed for the first time, the gas pressure in the space between the two spaced rubber membranes.
  • the upper rubber membrane remains tight and its edge, which acts as a sealing lip, becomes even closer to the Pressed inside wall of the pouring tube, which increases its tightness during the lower rubber membrane yields under the gas pressure and subsequently gas or Air escapes down through the spout. If the gas bellows released again, it re-forms into its due to its elasticity original shape and it arises between the two rubber membranes Vacuum.
  • dispenser spouts which are based on the one described above Art work, are very expensive to manufacture. They consist of a variety of small parts that are made of different plastic injection molding technology Plastic grades are made. Individual parts or small parts can also consist of metal.
  • donor spouts have one Threaded cap for screwing onto the external thread of the spout Container.
  • This threaded cap has a tapered pouring spout, on which an O-ring made of rubber is inserted in a circumferential ring groove. This The pouring spout is closed at the front with an end surface, however has several holes through which the liquid can flow out.
  • a spout pipe is then inserted, which is against its mouth end is also tapered, but not coaxially, but offset to the side, so that the outside wall of the pouring spout is on one side lengthways runs a straight line, whereas on the opposite side they do accordingly the tapering of the pipe mouth towards the center of the pouring pipe is transferred.
  • an extension where the large diameter merges into the smaller one formed, which in the axial direction against the pipe side with the larger Diameter extends.
  • This extension has a central axial bore that is used to hold a metal or plastic pin on which a double membrane made of rubber.
  • This double membrane forms a one-piece Rubber body that is essentially two parallel to and above each other has a hollow axis spaced rubber washers, each with bevelled edge of the pane.
  • the metal or plastic pin penetrates them Double membrane and protrudes into a central hole in the end face of the Pouring spout.
  • the double membrane is thus centrally located in the pouring spout and held on both sides, i.e. above and below.
  • the spout is on the on one side, where the pipe exterior extends along a straight line, a receiving sleeve molded, the inside of which is connected to the space between communicates the two rubber washers of the double membrane and their edge is slightly thickened on the inside.
  • a gas bellows made of elastic can be placed in this sleeve Material that essentially forms a hemisphere can be pressed. It is held in it by an additional sealing ring, which is from the outside is slipped over the gas bellows and clicked behind the thickened edge of the sleeve becomes. All of these small parts, seven in the example described, must separately manufactured and assembled in complex assembly work. However, where a lot of assembly work is required, assembly errors cannot be ruled out, which often result in malfunctions by the donor spouts are leaking and are not able to retain the container liquid or leak at the edge of the bellows.
  • a donor spout consisting of a threaded cap with a tapered pouring spout and an associated one Pouring pipe, inside of which a double membrane seals the pouring pipe, as well as an elastic gas bellows for dispensing liquid portions by alternately deforming the diaphragm disks that act as one-way valves the double membrane as a result of the changed pressure conditions in the Squeeze and let go of the gas bellows, and thereby distinguishes that the dispenser spout consists of only two each in two-component spray technology manufactured, one-piece components is assembled.
  • FIG. 1 shows the dispenser spout already assembled, whereby all parts are visible. It consists of two one-piece components 21, 22, each in Two-component spray technology was produced.
  • One component 21 forms the Threaded cap 1, which has a tapered pouring spout 2 on the underside has, which is closed at the front with an end surface 3, which, however, from a number of holes 4 is penetrated.
  • Threaded cap 1 which has a tapered pouring spout 2 on the underside has, which is closed at the front with an end surface 3, which, however, from a number of holes 4 is penetrated.
  • the Threaded cap 1 which has a tapered pouring spout 2 on the underside has, which is closed at the front with an end surface 3, which, however, from a number of holes 4 is penetrated.
  • the threaded cap along the inside edge of the threaded cap and above their thread, many are aligned obliquely to the circumference ribs 24 protruding on the inside, each with
  • This double membrane 6 consists of a rubber-elastic, sprayable material, such as a thermoplastic elastomer or a sprayable rubber and forms two spaced apart diaphragm disks 7,8, which are on a common Sit axis 9.
  • the outer edge of these membrane discs is towards the bottom inclined so that this edge like a lip from the bottom up on the pouring spout 10 is present.
  • the pouring spout with the gas bellows 11 forms the second one-piece Component 22 of the dispenser spout. This second component 22 also exists from two separate spray components.
  • the pouring spout 10 From the first spray component is the pouring spout 10, the side sleeve 16 and the retaining ring 12 for the rubber-elastic Gas bellows 11 injected, while the gas bellows 11 itself from a second Component is injected.
  • the two components 21,22 are simply put together for assembly. This is at the Threaded cap 1 around its pouring spout 2, a circumferential collar 13 formed, which belongs in one piece to the threaded cap 1. As a result of this collar is a circular groove formed between him and the pouring spout 2, which runs around the pouring spout 2.
  • the end section of the pouring spout 10 and thus of the second one-piece component 22 points against it outside a circumferential thickening 15, which when plugging the two components 21, 22 snaps exactly into the recess 14 and seals in this fits.
  • the pouring spout 10 also nestles snugly against the outer surface of the pouring spout 2 so that it is well guided and ensures that the double membrane 6 comes to rest nicely centered inside the pouring spout 10 and therefore the dispenser spout is safe against accidental leakage of liquid seals.
  • the connection is also so strong that it is the reaction force applies, which is necessary in order to compress the bellows To hold the dispenser spout in its position.
  • Figure 2 shows the two one-piece, each in two-component spray technology manufactured components shown separately, able to each other their putting together.
  • the threaded cap 1 with the pouring spout 2 and the extension 5 formed thereon from the first injection component and the double membrane 6 molded thereon as the second injection component form together the first one-piece component 21 of the dispenser spout. Shown below one sees the second also one-piece component 22. It consists of the Spout pipe 10 and the sleeve 16 and the retaining ring 12 formed thereon the gas bellows 11.
  • the pouring tube 10, the sleeve 16 and the retaining ring 12 are there made from the first injection component, while the elastic gas bellows 11 is made from a second injection component.
  • FIG. 3 shows the pouring pipe 10 with the receiving sleeve 16 and the Retaining ring 12 for the gas bellows 11 in the spray position after spraying the first Injection molding component.
  • the second component 22 can be seen here from the right-hand side in FIG Figure 1 and 2 seen.
  • the receiving sleeve 16 has an edge 17 which its inside is slightly thickened, or the inside wall of the sleeve 16 is behind the edge 17 slightly offset to the outside.
  • the retaining ring 12 is over a film hinge 18 connected to the receiving sleeve 16. He in turn has one Edge that is slightly thickened on the outside in the edge region 20.
  • the Retaining ring 12 can be folded over 180 ° around the film hinge 18 and into the Click in the female sleeve 16 by its thickened edge 20 behind the thickened The inner edge of the sleeve 16 snaps in and then positively on the inner wall the receiving sleeve 16 rests.
  • FIG. 4 shows the pouring pipe 10 with the second injection component molded gas bellows 11 in spray position in a section along the Line A-A seen in Figure 3.
  • This film hinge 18 allows the pouring pipe 10 together with the receiving sleeve 16 and the retaining ring 12 in one shot.
  • Illustration shows the thickened inner edge 19 of the receiving sleeve 16 and also the thickened outer edge 20 of the retaining ring 12.
  • the elastic gas bellows 11 is injected by means of a second injection component.
  • the second one-piece component 22 is then ready for the dispenser spout.
  • FIG. 5 shows the two using two-component spray technology injection molded, finished one-piece components 21,22 before plugging together.
  • the threaded cap 1 is Provide knurling 23 on the outside so that the dispenser spout can be screwed securely onto a bottle mouth.
  • Below the Spout 2 shows the double membrane 6 with the two of them spaced membrane discs 7.8.
  • the thickened edge 15 can be seen, which when plugged into the first component 21 in a corresponding recess in the inner edge of the collar 13 fits.

Landscapes

  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Nozzles (AREA)
  • Pens And Brushes (AREA)

Abstract

A dispenser drain attachment includes a threaded cap having a tapered drain socket and an associated drain tube. The interior of the drain tube has a double diaphragm which seals the drain tube, as well as an elastic gas bellows for dispensing liquid portions by alternating deformation of the diaphragm disks of the double diaphragm, which acts as a one-way valve. Such deformation is the result of pressure conditions which change when the gas bellows is compressed and then again released. The dispenser drain attachment is assembled from only two one-piece structural parts, each of which is produced by a two-component injection molding procedure.

Description

Diese Erfindung betrifft einen Spenderausguss für Behälter für verschiedene flüssige, dickflüssige und gelartige Medien, zum Beispiel für flüssige Seifen, Desinfektions-, Reinigungs- oder Pflegemittel, aber auch für andere Flüssigkeiten oder fliessfähige Medien aller Art, die in Portionen dosiert werden müssen. Bei einem genügend gross bemessenen Ausgussdurchmesser wird auch ein Gel fliessfähig und somit kann der Spenderausguss auch zum Portionieren von Medien in Gelform eingesetzt werden.This invention relates to a dispenser spout for containers for various liquid, viscous and gel-like media, for example for liquid soaps, Disinfectants, cleaning agents or care products, but also for other liquids or flowable media of all kinds that have to be dosed in portions. at a sufficiently large spout diameter also becomes a gel flowable and thus the dispenser spout can also be used to portion media can be used in gel form.

Solche Spenderausgüsse sind in verschienenen Ausführungen bekannt. Sie werden grundsätzlich an der Unterseite eines Behälters aufgeschraubt, verschliessen diesen Behälter dort dicht und erlauben die Entnahme von vorbestimmten Portionen des im Behälter befindlichen Mediums. Wenn die Spenderausgüsse auf der Unterseite des Behälters montiert werden, so kann das auch bedeuten, dass der Behälter eine Flasche ist, bei der dann der Spenderausguss oben auf der Flaschenmündung aufgeschraubt wird. Zum Entnehmen von Portionen wird die ganze Flasche in gestürzter Lage an eine Wand oder an ein Haltegestell montiert, sodass der Spenderausguss letztlich unten am Behälter angebracht ist. Der Spenderausguss selbst besteht aus einem im Wesentlichen nach unten gerichteten Rohr, in dessen Innerem eine Membrandichtung eingebaut ist, welche als Einwegventil wirkt. In einer besonders gut funktionierenden Ausführung handelt es sich bei dieser Membrane um eine Doppelmembrane, das heisst es sind zwei voneinander beabstandete Membranen in Form von Gummischeiben im Ausgussrohr angeordnet, welche an unterschiedlichen Stellen das Ausgussrohr dicht verschliessen und je als Einwegventil wirken, sodass also Flüssigkeit grundsätzlich nur von oben nach unten diese Gummimembranen umströmen kann. Die Gummischeiben weisen hierzu einen abgeschrägten Rand auf, sodass dieser Rand wie eine Lippe von unten her an der Innenwand des Ausgussrohrs dichtend anliegt. Mit dem Raum, der von den beiden beabstandeten Gummischeiben eingeschlossen wird, kommuniziert das Innere eines elastischen Gasbalges, der aussen an das Ausgussrohr angebaut ist. Dieser Gasbalg wird zum Beispiel von einer gummielastischen Halbkugel gebildet, kann aber auch eine andere Form haben, solange diese sich nach dem Zusammendrücken elastisch in die ursprüngliche Form zurückbildet. Zum Betätigen des Spenderausgusses wird der Balg mit einem Finger eingedrückt. Hat man gerade keine Hand frei oder schmutzige Hände, so kann der Balg mittels eines Bügels einer speziellen Wandhalterung zusammengedrückt werden, indem der Bügel mit dem Ellbogen betätigt wird und mit seinem anderen Ende auf den Balg drückt. Wird ein solcher Spenderausguss auf einen Behälter geschraubt, so fliesst die Behälterflüssigkeit zunächst nur bis zur von oben nach unten gesehen ersten Gummimembrane. Wird der Gasbalg das erste Mal zusammengedrückt, so steigt der Gasdruck im Raum zwischen den beiden beabstandeten Gummimembranen. Die obere Gummimembrane bleibt dabei dicht und ihr als Dichtlippe wirkender Rand wird sogar noch stärker an die Innenwand des Ausgussrohrs gepresst, was ihre Dichtigkeit erhöht, während die untere Gummimembrane unter dem Gasdruck nachgibt und in der Folge Gas bzw. Luft um sie herum nach unten durch den Ausguss entweicht. Wird der Gasbalg wieder losgelassen, so bildet er sich auf Grund seiner Elastizität zurück in seine ursprüngliche Form und es entsteht zwischen den beiden Gummimembranen ein Unterdruck. Die Folge ist, dass unter diesem Unterdruck die untere Gummimembrane den Ausguss dicht verschliesst, weil ihre Dichtlippe unter dem erhöhten äusseren, das heisst atmosphärischen Druck von unten fest an die Rohrinnenwand angedrückt wird, während die obere Gummimembrane unter dem von oben wirkenden atmosphärischen Druck nachgibt und Flüssigkeit um die Dichtlippe herum nach unten durchströmen lässt, sodass sich der Raum zwischen den beiden Gummimembranen mit Flüssigkeit annähernd auffüllt. Beim neuerlichen Zusammendrücken des Gasbalges wird unter dem entstehenden Druck im Raum zwischen den beiden Gummimembranen die untere Membran geöffnet und Flüssigkeit strömt um sie herum nach unten und fliesst aus der Mündung des Ausgussrohres, während die obere Gummimembrane dicht bleibt bzw. ihre Dichtigkeit unter dem von unten wirkenden erhöhten Druck sogar noch gesteigert wird. Nach dem Loslassen des Balges entsteht gegenüber dem Aussendruck wiederum ein Unterdruck, der bewirkt, dass die untere Gummimembrane verschlossen wird, während die obere sich öffnet und neue Flüssigkeit in den Raum zwischen den beiden Gummimembranen nachströmt. Somit ist diese Kammer für eine weitere Portionierung gefüllt, wobei jedoch die Flüssigkeit bis zur nächsten Betätigung des Gasbalges von der unteren Gummimembrane zurückgehalten wird.Such dispenser spouts are known in various designs. They are always screwed on to the bottom of a container and closed this container there tightly and allow the removal of predetermined Portions of the medium in the container. If the donor spouts can be mounted on the underside of the container, so it can mean that the container is a bottle, and then the dispenser spout screwed on top of the bottle mouth. For removing portions the whole bottle is dropped on a wall or on a support frame mounted so that the dispenser spout is ultimately attached to the bottom of the container is. The dispenser spout itself consists of an essentially downward one directed pipe, inside which a membrane seal is installed, which acts as a one-way valve. In a particularly well functioning version this membrane is a double membrane, that is, it is two spaced membranes in the form of rubber washers in Spout pipe arranged, which the spout pipe at different locations close tightly and each act as a one-way valve, so that liquid is basically can only flow around these rubber membranes from top to bottom. The For this purpose, rubber washers have a bevelled edge, so that this Sealing lip like a lip from below on the inner wall of the pouring spout is applied. With the space enclosed by the two spaced rubber washers the inside of an elastic gas bellows communicates is attached to the outside of the pouring spout. This gas bellows is used, for example, by a rubber-elastic hemisphere, but can also have a different shape have as long as they compress elastically into the original Form regresses. To operate the dispenser spout, the Bellows pressed in with one finger. You just have no hand free or dirty Hands, so the bellows can be clamped using a special wall bracket be squeezed together by operating the bracket with the elbow and presses on the bellows with its other end. Such a donor spout screwed onto a container, the container liquid initially only flows up to the first rubber membrane seen from top to bottom. If the gas bellows compressed for the first time, the gas pressure in the space between the two spaced rubber membranes. The upper rubber membrane remains tight and its edge, which acts as a sealing lip, becomes even closer to the Pressed inside wall of the pouring tube, which increases its tightness during the lower rubber membrane yields under the gas pressure and subsequently gas or Air escapes down through the spout. If the gas bellows released again, it re-forms into its due to its elasticity original shape and it arises between the two rubber membranes Vacuum. The result is that under this vacuum the lower rubber membrane closes the spout tightly because its sealing lip under the raised outer that is, atmospheric pressure from below firmly to the inside wall of the pipe is pressed, while the upper rubber membrane under the one acting from above yields to atmospheric pressure and fluid around the sealing lip can flow downwards, so that the space between the two Rubber membranes are almost filled with liquid. When squeezing again of the gas bellows is between the resulting pressure in the space the two rubber membranes opened the lower membrane and liquid flows down around them and flows out of the mouth of the pouring pipe, while the upper rubber membrane remains tight or its tightness is even increased under the increased pressure acting from below. To releasing the bellows creates a pressure in relation to the external pressure Negative pressure, which causes the lower rubber membrane to be closed, while the upper one opens up and new liquid enters the space between the flows after both rubber membranes. So this chamber is for another Portioning filled, but the liquid until the next actuation of the Gas bellows is retained by the lower rubber membrane.

Die bisher bekannten Spenderausgüsse, welche nach der oben beschriebenen Art funktionieren, sind in der Herstellung sehr aufwendig. Sie bestehen aus einer Vielzahl von kleinen Teilen, die in Kunststoff-Spritztechnik aus verschiedenen Kunststoffsorten hergestellt werden. Einzelne Teile oder Kleinteile können dabei auch aus Metall bestehen. Zunächst weisen solche Spenderausgüsse eine Gewindekappe zum Aufschrauben auf das Aussengewinde des Ausgusses eines Behälters auf. Diese Gewindekappe weist einen verjüngten Ausguss-Stutzen auf, auf den in einer umlaufenden Ringnut ein O-Ring aus Gummi eingelegt ist. Dieser Ausguss-Stutzen ist vorne mit einer Abschlussfläche verschlossen, die jedoch mehrere Löcher aufweist, durch welche die Flüssigkeit ausströmen kann. Auf diesen Stutzen ist dann ein Ausgussrohr gesteckt, welches gegen sein Mündungsende hin ebenfalls verjüngt ist, jedoch nicht koaxial, sondern zur Seite hin versetzt, sodass also die Aussenwand des Ausgussrohres auf der einen Seite längs einer Geraden verläuft, wogegen sie auf der gegenüberliegenden Seite entsprechend der Verjüngung der Rohrmündung in Richtung zum Zentrum des Ausgussrohres hin versetzt wird. Im Zentrum des Ausgussrohres ist in seinem Innern, an der Stelle, wo der grosse Durchmesser in den kleineren übergeht, ein Fortsatz ausgeformt, der sich in axialer Richtung gegen die Rohrseite mit dem grösseren Durchmesser erstreckt. Dieser Fortsatz weist eine zentrale axiale Bohrung auf, die zur Aufnahme eines Metall- oder Kunststoffstiftes dient, auf den eine Doppelmembran aus Gummi aufgesteckt ist. Diese Doppelmembran bildet einen einstückigen Gummikörper, der im Wesentlichen zwei parallel zueinander und über eine Hohlachse voneinander beabstandete Gummischeiben aufweist, mit jeweils abgeschrägtem Scheibenrand. Der Metall- oder Kunststoffstift durchsetzt diese Doppelmembran und ragt in eine zentrale Bohrung in der Abschlussfläche des Ausguss-Stutzens. Somit ist die Doppelmembran zentral im Ausgussrohr gelagert und beidseits, das heisst oben und unten, gehalten. Am Ausgussrohr ist auf der einen Seite, wo das Rohräussere sich längs einer Geraden erstreckt, eine Aufnahmemuffe angeformt, deren Inneres über eine Bohrung mit dem Raum zwischen den beiden Gummischeiben der Doppelmembran kommuniziert und deren Rand auf der Innenseite etwas verdickt ist. In diese Muffe kann ein Gasbalg aus elastischem Material, der im Wesentlichen eine Halbkugel bildet, hineingedrückt werden. Er ist darin mittels eines zusätzlichen Dichtringes gehalten, der von aussen über den Gasbalg gestülpt wird und hinter den verdickten Rand der Muffe eingeklickt wird. Alle diese Kleinteile, im beschriebenen Beispiel deren sieben, müssen gesondert hergestellt und in aufwendiger Montagearbeit zusammengesetzt werden. Wo aber viel Montagearbeit nötig ist, sind auch Montagefehler nicht auszuschliessen, die sich oft als Fehlfunktionen auswirken, indem die Spenderausgüsse etwa undicht sind und die Behälterflüssigkeit nicht zurückzuhalten vermögen oder am Rand des Balges leck sind.The previously known dispenser spouts, which are based on the one described above Art work, are very expensive to manufacture. they consist of a variety of small parts that are made of different plastic injection molding technology Plastic grades are made. Individual parts or small parts can also consist of metal. Initially, such donor spouts have one Threaded cap for screwing onto the external thread of the spout Container. This threaded cap has a tapered pouring spout, on which an O-ring made of rubber is inserted in a circumferential ring groove. This The pouring spout is closed at the front with an end surface, however has several holes through which the liquid can flow out. On this A spout pipe is then inserted, which is against its mouth end is also tapered, but not coaxially, but offset to the side, so that the outside wall of the pouring spout is on one side lengthways runs a straight line, whereas on the opposite side they do accordingly the tapering of the pipe mouth towards the center of the pouring pipe is transferred. In the center of the pouring pipe is inside an extension where the large diameter merges into the smaller one formed, which in the axial direction against the pipe side with the larger Diameter extends. This extension has a central axial bore that is used to hold a metal or plastic pin on which a double membrane made of rubber. This double membrane forms a one-piece Rubber body that is essentially two parallel to and above each other has a hollow axis spaced rubber washers, each with bevelled edge of the pane. The metal or plastic pin penetrates them Double membrane and protrudes into a central hole in the end face of the Pouring spout. The double membrane is thus centrally located in the pouring spout and held on both sides, i.e. above and below. The spout is on the on one side, where the pipe exterior extends along a straight line, a receiving sleeve molded, the inside of which is connected to the space between communicates the two rubber washers of the double membrane and their edge is slightly thickened on the inside. A gas bellows made of elastic can be placed in this sleeve Material that essentially forms a hemisphere can be pressed. It is held in it by an additional sealing ring, which is from the outside is slipped over the gas bellows and clicked behind the thickened edge of the sleeve becomes. All of these small parts, seven in the example described, must separately manufactured and assembled in complex assembly work. However, where a lot of assembly work is required, assembly errors cannot be ruled out, which often result in malfunctions by the donor spouts are leaking and are not able to retain the container liquid or leak at the edge of the bellows.

Es ist deshalb die Aufgabe der vorliegenden Erfindung, einen Spenderausguss mit der eingangs beschriebenen Funktionsart zu schaffen, der aus wesentlich weniger Bauteilen hergestellt ist, der allein schon deshalb wesentlich kostengünstiger in der Herstellung ist und dessen Zusammenbau durch die wenigen Teile entscheidend vereinfacht ist, der weiter frei von Fehlfunktionen ist und insbesondere 100%ig dicht ist.It is therefore the object of the present invention to provide a dispenser spout to create with the type of function described above, which is essential fewer components is manufactured, which is essential for this reason alone is cheaper to manufacture and its assembly by the few Parts is significantly simplified, which is still free from malfunctions and is in particular 100% tight.

Diese Aufgabe wird gelöst von einem Spenderausguss, bestehend aus einer Gewindekappe mit verjüngtem Ausgussstutzen sowie einem zugehörigen Ausgussrohr, in dessen Innerem eine Doppelmembran das Ausgussrohr abdichtet, sowie einem elastischen Gasbalg zum Spenden von Flüssigkeitsportionen durch abwechselndes Deformieren der als Einwegventile wirkenden Membranscheiben der Doppelmembran als Folge der veränderten Druckverhältnisse beim Zusammendrücken und wieder Loslassen der Gasbalges, und der sich dadurch auszeichnet, dass der Spenderausguss einzig aus zwei je in Zweikomponenten-Spritztechnik hergestellten, einstückigen Bauteilen zusammengebaut ist.This task is solved by a donor spout consisting of a threaded cap with a tapered pouring spout and an associated one Pouring pipe, inside of which a double membrane seals the pouring pipe, as well as an elastic gas bellows for dispensing liquid portions by alternately deforming the diaphragm disks that act as one-way valves the double membrane as a result of the changed pressure conditions in the Squeeze and let go of the gas bellows, and thereby distinguishes that the dispenser spout consists of only two each in two-component spray technology manufactured, one-piece components is assembled.

In den Zeichnungen ist eine vorteilhafte Ausführung eines solchen Spenderausgusses aus zwei einstückigen, je in Zweikomponenten-Spritztechnik hergestellten Teilen in verschiedenen Ansichten gezeigt. Der Spenderausguss wird nachfolgend anhand dieser Zeichnungen im Detail beschrieben und seine Funktion wird erläutert.An advantageous embodiment of such a dispenser spout is shown in the drawings from two one-piece, each manufactured in two-component injection molding technology Parts shown in different views. The dispenser spout will described below in detail using these drawings and its function is explained.

Es zeigt:

Figur 1:
Den zusammengesetzten Spenderausguss in einer Schnittzeichnung von der Seite her gesehen;
Figur 2:
Die beiden einstückigen, je in Zweikomponenten-Spritztechnik hergestellten Bauteile nebeneinander vor dem Zusammenstecken, je in einer Schnittzeichnung von der Seite her gesehen;
Figur 3:
Das Ausgussrohr mit dem Aufnahmering für den Gasbalg in Spritzlage nach dem Spritzen der ersten Spritzkomponente;
Figur 4:
Das Ausgussrohr mit dem Gasbalg in Spritzlage nach dem Spritzen der zweiten Spritzkomponente;
Figur 5:
Die beiden je in Zweikomponenten-Spritztechnik gespritzten, einstückigen Bauteile vor dem Zusammenstecken.
It shows:
Figure 1:
The composite dispenser spout seen in a sectional drawing from the side;
Figure 2:
The two one-piece components, each made in two-component injection molding technology, side by side before being plugged together, each seen in a sectional drawing from the side;
Figure 3:
The pouring tube with the receiving ring for the gas bellows in the spray position after the spraying of the first spray component;
Figure 4:
The pouring pipe with the gas bellows in spray position after spraying the second spray component;
Figure 5:
The two one-piece components, each sprayed using two-component spraying technology, before being put together.

Die Figur 1 zeigt den bereits zusammengesetzten Spenderausguss, wobei alle Teile sichtbar sind. Er besteht aus zwei einstückigen Bauteilen 21,22, die je in Zweikomponenten-Spritztechnik hergestellt wurden. Das eine Bauteil 21 bildet die Gewindekappe 1, welche auf der Unterseite einen verjüngten Ausguss-Stutzen 2 aufweist, der vorne mit einer Abschlussfläche 3 verschlossen ist, die jedoch von einer Anzahl Löcher 4 durchsetzt ist. Längs des Innenrandes der Gewindekappe und oberhalb ihres Gewindes sind schräg zum Umfang ausgerichtet viele nach innen abstehende Rippen 24 mit je einer scharfen Randkante 25 angeordnet. Diese Rippen 24 entwickeln beim Aufschrauben der Gewindekappe auf eine Mündung mit Aussengewinde eine Rätschenwirkung und stellen damit sicher, dass die aufgeschraubte Gewindekappe in dieser Lage gesichert ist. Zentral an der Abschlussfläche 3 des Ausgussstutzens 2 ist ein Fortsatz 5 angeformt, welcher sich wie ein Bolzen längs der Symmetrieachse der Gewindekappe 1 ein Stück weit nach unten erstreckt. Alle diese Teile des ersten Bauteils 21 sind aus einer ersten Spritzkomponente hergestellt, nämlich aus einem geeigneten Polyolefin, das heisst einem Polypropylen oder Polyethylen, oder aus einem Polyamid. An diesen Fortsatz 5 an der Abschlussfläche 3 ist nun als zweite Spritzkomponente des ersten Bauteils 21 die Doppelmembrane 6 angespritzt. Diese Doppelmembrane 6 besteht aus einem gummielastischen, spritzbaren Material, etwa aus einem thermoplastischen Elastomer oder einem spritzbaren Gummi und bildet zwei voneinander beabstandete Membranscheiben 7,8, die an einer gemeinsamen Achse 9 sitzen. Der äussere Rand dieser Membranscheiben ist gegen unten geneigt, sodass dieser Rand wie eine Lippe von unten nach oben am Ausgussrohr 10 anliegt. Das Ausgussrohr mit dem Gasbalg 11 bildet das zweite einstückige Bauteil 22 des Spenderausgusses. Auch dieses zweite Bauteil 22 besteht aus zwei gesonderten Spritzkomponenten. Aus der ersten Spritzkomponente ist das Ausgussrohr 10, die seitliche Muffe 16 und der Haltering 12 für den gummielastischen Gasbalg 11 gespritzt, während der Gasbalg 11 selbst aus einer zweiten Komponente gespritzt ist. Wie dieses Ausgussrohr 10 mit Gasbalg 11 im Einzelnen aufgebaut und gespritzt ist, wird noch näher erklärt. Die beiden Bauteile 21,22 werden für den Zusammenbau bloss aufeinandergesteckt. Hierzu ist an der Gewindekappe 1 rund um deren Ausguss-Stutzen 2 ein umlaufender Kragen 13 gebildet, der einstückig zur Gewindekappe 1 gehört. Infolge dieses Kragens ist eine Kreisnut zwischen ihm selbst und dem Ausgussstutzen 2 gebildet, welche rundum den Ausguss-Stutzen 2 läuft. Auf der oberen Innenseite des Kragens 13 weist dieser eine umlaufende Vertiefung 14 auf. Der Endabschnitt des Ausgussrohres 10 und somit des zweiten einstückigen Bauteiles 22 weist demgegenüber aussen eine umlaufende Verdickung 15 auf, welche beim Zusammenstecken der beiden Bauteile 21,22 genau in die Vertiefung 14 einschnappt und dichtend in diese einpasst. Dadurch können die beiden Bauteile 21,22 bloss zusammengesteckt werden, wodurch eine zugfeste und dichte Verbindung entsteht. Das Ausgussrohr 10 schmiegt sich ausserdem satt an die Aussenfläche des Ausgussstutzens 2 an, sodass es daran gut geführt ist und sicherstellt, dass die Doppelmembran 6 schön zentriert im Innern des Ausgussrohres 10 zu liegen kommt und daher den Spenderausguss sicher gegen ungewolltes Auslaufen von Flüssigkeit abdichtet. Die Verbindung ist ausserdem so stark, dass sie die Reaktionskraft aufbringt, welche nötig ist, um auch beim Zusammendrücken des Balges den Spenderausguss in seiner Lage festzuhalten.FIG. 1 shows the dispenser spout already assembled, whereby all parts are visible. It consists of two one-piece components 21, 22, each in Two-component spray technology was produced. One component 21 forms the Threaded cap 1, which has a tapered pouring spout 2 on the underside has, which is closed at the front with an end surface 3, which, however, from a number of holes 4 is penetrated. Along the inside edge of the threaded cap and above their thread, many are aligned obliquely to the circumference ribs 24 protruding on the inside, each with a sharp edge 25. These ribs 24 develop when screwing the threaded cap onto one Muzzle with external thread a riddle effect and thus ensure that the screwed-on threaded cap is secured in this position. Central to An extension 5 is formed on the end face 3 of the pouring spout 2, which like a bolt along the axis of symmetry of the threaded cap 1 Extends far down. All these parts of the first component 21 are made a first injection component, namely a suitable polyolefin, that means a polypropylene or polyethylene, or a polyamide. This extension 5 on the end face 3 is now a second spray component of the first component 21, the double membrane 6 is injection molded. This double membrane 6 consists of a rubber-elastic, sprayable material, such as a thermoplastic elastomer or a sprayable rubber and forms two spaced apart diaphragm disks 7,8, which are on a common Sit axis 9. The outer edge of these membrane discs is towards the bottom inclined so that this edge like a lip from the bottom up on the pouring spout 10 is present. The pouring spout with the gas bellows 11 forms the second one-piece Component 22 of the dispenser spout. This second component 22 also exists from two separate spray components. From the first spray component is the pouring spout 10, the side sleeve 16 and the retaining ring 12 for the rubber-elastic Gas bellows 11 injected, while the gas bellows 11 itself from a second Component is injected. Like this pouring spout 10 with gas bellows 11 in detail built up and sprayed will be explained in more detail. The two components 21,22 are simply put together for assembly. This is at the Threaded cap 1 around its pouring spout 2, a circumferential collar 13 formed, which belongs in one piece to the threaded cap 1. As a result of this collar is a circular groove formed between him and the pouring spout 2, which runs around the pouring spout 2. On the upper inside of the collar 13 it has a circumferential depression 14. The end section of the pouring spout 10 and thus of the second one-piece component 22 points against it outside a circumferential thickening 15, which when plugging the two components 21, 22 snaps exactly into the recess 14 and seals in this fits. As a result, the two components 21, 22 can only be plugged together which creates a tight and tight connection. The pouring spout 10 also nestles snugly against the outer surface of the pouring spout 2 so that it is well guided and ensures that the double membrane 6 comes to rest nicely centered inside the pouring spout 10 and therefore the dispenser spout is safe against accidental leakage of liquid seals. The connection is also so strong that it is the reaction force applies, which is necessary in order to compress the bellows To hold the dispenser spout in its position.

Die Figur 2 zeigt die beiden einstückigen, je in Zweikomponenten-Spritztechnik hergestellten Bauteile gesondert dargestellt, in der Lage zueinander vor ihrem Zusammenstecken. Die Gewindekappe 1 mit dem Ausguss-Stutzen 2 und dem daran angeformten Fortsatz 5 aus der ersten Spritzkomponente und die daran als zweite Spritzkomponente angespritzte Doppelmembran 6 bilden zusammen das erste einstückige Bauteil 21 des Spenderausgusses. Darunter dargestellt sieht man das zweite ebenfalls einstückige Bauteil 22. Es besteht aus dem Ausgussrohr 10 und der daran angeformten Muffe 16 und dem Haltering 12 für den Gasbalg 11. Das Ausgussrohr 10, die Muffe 16 und der Haltering 12 sind dabei aus der ersten Spritzkomponente hergestellt, während der elastische Gasbalg 11 aus einer zweiten Spritzkomponente hergestellt ist.Figure 2 shows the two one-piece, each in two-component spray technology manufactured components shown separately, able to each other their putting together. The threaded cap 1 with the pouring spout 2 and the extension 5 formed thereon from the first injection component and the double membrane 6 molded thereon as the second injection component form together the first one-piece component 21 of the dispenser spout. Shown below one sees the second also one-piece component 22. It consists of the Spout pipe 10 and the sleeve 16 and the retaining ring 12 formed thereon the gas bellows 11. The pouring tube 10, the sleeve 16 and the retaining ring 12 are there made from the first injection component, while the elastic gas bellows 11 is made from a second injection component.

Die Figur 3 zeigt das Ausgussrohr 10 mit der Aufnahmemuffe 16 und dem Haltering 12 für den Gasbalg 11 in Spritzlage nach dem Spritzen der ersten Spritzkomponente. Man sieht das zweite Bauteil 22 hier von der rechten Seite in Figur 1 und 2 gesehen. Die Aufnahmemuffe 16 weist einen Rand 17 auf, der auf seiner Innenseite leicht verdickt ist, oder die Innenwand der Muffe 16 ist hinter dem Rand 17 leicht nach aussen versetzt. Der Haltering 12 ist über ein Filmscharnier 18 mit der Aufnahmemuffe 16 verbunden. Er weist seinerseits einen Rand auf, der auf seiner Aussenseite im Randbereich 20 leicht verdickt ist. Der Haltering 12 lässt sich um 180° um das Filmscharnier 18 umklappen und in die Aufnahmemuffe 16 einklicken, indem sein verdickter Rand 20 hinter dem verdickten Innenrand der Muffe 16 einschnappt und dann formschlüssig an der Innenwand der Aufnahmemuffe 16 anliegt.FIG. 3 shows the pouring pipe 10 with the receiving sleeve 16 and the Retaining ring 12 for the gas bellows 11 in the spray position after spraying the first Injection molding component. The second component 22 can be seen here from the right-hand side in FIG Figure 1 and 2 seen. The receiving sleeve 16 has an edge 17 which its inside is slightly thickened, or the inside wall of the sleeve 16 is behind the edge 17 slightly offset to the outside. The retaining ring 12 is over a film hinge 18 connected to the receiving sleeve 16. He in turn has one Edge that is slightly thickened on the outside in the edge region 20. The Retaining ring 12 can be folded over 180 ° around the film hinge 18 and into the Click in the female sleeve 16 by its thickened edge 20 behind the thickened The inner edge of the sleeve 16 snaps in and then positively on the inner wall the receiving sleeve 16 rests.

Die Figur 4 zeigt das Ausgussrohr 10 mit dem bereits als zweite Spritzkomponente angespritzten Gasbalg 11 in Spritzlage in einem Schnitt längs der Linie A-A von Figur 3 gesehen. Man erkennt die Aufnahmemuffe 16 für den Haltering 12, der über das Filmscharnier 18 mit dieser verbunden ist. Dieses Filmscharnier 18 ermöglicht es ja, das Ausgussrohr 10 zusammen mit der Aufnahmemuffe 16 und dem Haltering 12 in einem Nu zu spritzen. In der hier gewählten Darstellung sieht man den verdickten Innenrand 19 der Aufnahmemuffe 16 sowie auch den verdickten Aussenrand 20 des Halteringes 12. An diesen Haltring 12 wird mittels einer zweiten Spritzkomponente der elastische Gasbalg 11 angespritzt. Danach ist das zweite einstückige Bauteil 22 für den Spenderausguss fertig.FIG. 4 shows the pouring pipe 10 with the second injection component molded gas bellows 11 in spray position in a section along the Line A-A seen in Figure 3. One recognizes the receiving sleeve 16 for the retaining ring 12, which is connected to the film hinge 18. This film hinge 18 allows the pouring pipe 10 together with the receiving sleeve 16 and the retaining ring 12 in one shot. In the one chosen here Illustration shows the thickened inner edge 19 of the receiving sleeve 16 and also the thickened outer edge 20 of the retaining ring 12. On this retaining ring 12 the elastic gas bellows 11 is injected by means of a second injection component. The second one-piece component 22 is then ready for the dispenser spout.

Die Figur 5 zeigt schliesslich die beiden je in Zweikomponenten-Spritztechnik gespritzten, fertigen einstückigen Bauteile 21,22 vor dem Zusammenstecken. Man erkennt die Löcher 4 in der Abschlussfläche des Ausgussstutzens 2, sowie den Kragen 13, der den Ausgussstutzen 2 umläuft. Die Gewindekappe 1 ist auf der Aussenseite mit einer Rändelung 23 versehen, damit der Spenderausguss griffsicher auf eine Flaschenmündung aufgeschraubt werden kann. Unterhalb des Ausgussstutzens 2 sieht man die Doppelmembrane 6 mit den beiden voneinander beabstandeten Membranscheiben 7,8. Am darunter dargestellten Ausgussrohr 10 erkennt man die seitlich angebrachte Aufnahmemuffe 16 für den Haltering 12 und den von diesem gehaltenen Gasbalg 11. Am oberen Mündungsrand des Ausgussrohrs ist der verdickte Rand 15 zu erkennen, welcher beim Anstecken an das erste Bauteil 21 in eine entsprechende Vertiefung im Innenrand des Kragens 13 einpasst.Finally, FIG. 5 shows the two using two-component spray technology injection molded, finished one-piece components 21,22 before plugging together. You can see the holes 4 in the end face of the pouring spout 2, as well as the collar 13 which runs around the pouring spout 2. The threaded cap 1 is Provide knurling 23 on the outside so that the dispenser spout can be screwed securely onto a bottle mouth. Below the Spout 2 shows the double membrane 6 with the two of them spaced membrane discs 7.8. On the pouring spout 10 shown below one recognizes the laterally attached receiving sleeve 16 for the retaining ring 12 and the gas bellows held by this 11. At the upper mouth of the pouring pipe the thickened edge 15 can be seen, which when plugged into the first component 21 in a corresponding recess in the inner edge of the collar 13 fits.

Claims (5)

Spenderausguss, bestehend aus einer Gewindekappe (1) mit verjüngtem Ausgussstutzen (2) sowie einem zugehörigen Ausgussrohr (10), in dessen Innerem eine Doppelmembran (6) das Ausgussrohr (10) abdichtet, sowie einem elastischen Gasbalg (11) zum Spenden von Flüssigkeitsportionen durch abwechselndes Deformieren der als Einwegventile wirkenden Membranscheiben (7,8) der Doppelmembran (6) als Folge der veränderten Druckverhältnisse beim Zusammendrücken und wieder Loslassen des Gasbalges (11), dadurch gekennzeichnet, dass der Spenderausguss einzig aus zwei je in Zweikomponenten-Spritztechnik hergestellten, einstückigen Bauteilen (21,22) zusammengebaut ist.Dispenser spout, consisting of a threaded cap (1) with a tapered pouring spout (2) and an associated pouring pipe (10), inside which a double membrane (6) seals the pouring pipe (10), as well as an elastic gas bellows (11) for dispensing liquid portions alternating deformation of the diaphragm disks (7, 8) of the double diaphragm (6) acting as one-way valves as a result of the changed pressure conditions when the gas bellows (11) is pressed together and released again, characterized in that the dispenser spout consists of only one piece, each made in two-component injection molding technology Components (21,22) is assembled. Spenderausguss nach Anspruch 1, dadurch gekennzeichnet, dass die Gewindekappe (1) mit verjüngtem Ausgussstutzen (2) aus einer ersten Spritzkomponente zusammen mit der aus einer zweiten Spritzkomponente bestehenden Doppelmembrane (6) als einstückiges Bauteil (21) in Zweikomponenten Spritztechnik gespritzt ist, indem die perforierte Abschlussfläche (3) des Ausguss-Stutzens (2) einen zentralen, als Achse für die Doppelmembrane (6) wirkenden Fortsatz (5) aus der ersten Spritzkomponente aufweist, an welchen die Doppelmembrane (6) aus weichelastischem, spritzbaren Gummimaterial aus einer zweiten Spritzkomponente angespritzt ist, und dass andrerseits das Ausgussrohr (19) mit elastischem Gasbalg (11) ebenfalls als einstückiges Bauteil (22) in Zweikomponenten Spritztechnik ausgeführt ist, indem die aussen am Ausgussrohr (10) angeformte Muffe (16) auf einer Seite in ein Filmscharnier (18) übergeht, an welchem ein Haltering (12) mit Kragen angeformt ist, welcher dichtend in die Muffe (16) einklickbar ist und diese Teile aus einer ersten Spritzkomponente hergestellt sind, wobei an diesen Ring (12) aus einer zweiten Spritzkomponente ein halbkugelförmiger Gasbalg (11) aus elastischem Material angespritzt ist. Dispenser spout according to claim 1, characterized in that the threaded cap (1) with a tapered pouring spout (2) is injection molded from a first injection component together with the double membrane (6) consisting of a second injection component as a one-piece component (21) by the injection molding technique Perforated end face (3) of the pouring spout (2) has a central extension (5) made of the first injection component, acting as an axis for the double membrane (6), on which the double membrane (6) made of flexible, sprayable rubber material made of a second injection component is injection molded, and that on the other hand the pouring pipe (19) with elastic gas bellows (11) is also designed as a one-piece component (22) in two-component spraying technology by the sleeve (16) molded on the outside of the pouring pipe (10) into a film hinge ( 18), on which a retaining ring (12) with a collar is formed, which seals into the sleeve (16) can be clicked in and these parts are made from a first injection component, a hemispherical gas bellows (11) made of elastic material being injection molded onto this ring (12) from a second injection component. Spenderausguss nach Anspruch 2, dadurch gekennzeichnet, dass die Gewindekappe (1), deren Ausgussstutzen (2), der umlaufende Kragen (13) sowie der Fortsatz (5) am ersten Bauteil (21) sowie das Ausgussrohr (10), die Aufnahmemuffe (16) und der Haltering (12) am zweiten Bauteil (22) aus einem Polyolefin, das heisst einem Polypropylen oder Polyethylen, oder aus einem Polyamid gespritzt sind, während die Doppelmembrane (6) am Bauteil (21) sowie der Gasbalg (11) am Bauteil (22) aus einem thermoplastischen Elastomer oder spritzbaren Gummi gespritzt sind.Dispenser spout according to claim 2, characterized in that the threaded cap (1), its pouring spout (2), the circumferential collar (13) and the extension (5) on the first component (21) and the pouring tube (10), the receiving sleeve (16 ) and the retaining ring (12) on the second component (22) made of a polyolefin, i.e. a polypropylene or polyethylene, or of a polyamide, while the double membrane (6) on the component (21) and the gas bellows (11) on the component (22) are injection molded from a thermoplastic elastomer or sprayable rubber. Spenderausguss nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass um den Ausgussstutzen (2) an der Gewindekappe (1) ein Kragen (13) angeformt ist, der in seiner Innenwand eine umlaufende Vertiefung (14) aufweist, in welche eine umlaufende Verdickung (15) am oberen Mündungsrand des Ausgussrohres (10) einpasst.Dispenser spout according to one of the preceding claims, characterized in that a collar (13) is formed around the pouring spout (2) on the threaded cap (1) and has a circumferential recess (14) in its inner wall into which a circumferential thickening (15 ) at the top of the mouth of the pouring pipe (10). Spenderausguss nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die aussen und seitlich am Ausgussrohr (10) angeformte Muffe (16) einen Rand mit verdicktem Innenrand aufweist und der über das Filmscharnier (18) mit der Muffe (16) verbundene Haltering (12) einen Kragen mit verdicktem Aussenrand (20) aufweist, sodass der Haltering (12) in die Muffe (16) dichtend einklickbar ist, indem der Kragen des Halteringes (12) formschlüssig in die Muffe (16) einpasst.Dispenser spout according to one of claims 2 to 4, characterized in that the sleeve (16) formed on the outside and on the side of the pouring tube (10) has an edge with a thickened inner edge and the retaining ring (16) connected to the sleeve (16) via the film hinge (18). 12) has a collar with a thickened outer edge (20), so that the retaining ring (12) can be sealingly clicked into the sleeve (16) by the collar of the retaining ring (12) fitting into the sleeve (16) in a form-fitting manner.
EP01811147A 2000-12-15 2001-11-27 Dispensing pourer for flowable media Expired - Lifetime EP1215167B1 (en)

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US4330071A (en) * 1979-10-15 1982-05-18 Ab Tranas Rostfria Dispensing device for discharging a liquid or pasty product from a container, containing such a product
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WO2009104993A1 (en) 2008-02-18 2009-08-27 Sca Hygiene Products Ab A disposable pump, a dispensing system comprising a pump and a method for dispensing liquid
US8695856B2 (en) 2008-02-18 2014-04-15 Sca Hygiene Products Ab Disposable pump, a dispensing system comprising a pump and a method for dispensing liquid
US8701942B2 (en) 2008-02-18 2014-04-22 Sca Hygiene Products Ab Disposable dispensing system comprising a collapsible container, a dispenser and a method for dispensing liquid from such dispensing system
US8708200B2 (en) 2008-02-18 2014-04-29 Sca Hygiene Products Ab Disposable pump with suck-back mechanism
EP2928784A4 (en) * 2012-12-04 2016-11-02 Aptargroup Inc Fluent product dispensing package and diaphragm pump for use therein
CN107457107A (en) * 2013-02-07 2017-12-12 Gb发展公司 Fluid distributing apparatus and the method for producing this device
EP3375531A1 (en) * 2013-02-07 2018-09-19 GB Developpement Dispensing device for a fluid and manufacturing method of such a dispensing device
CN107457107B (en) * 2013-02-07 2020-01-10 Gb发展公司 Fluid dispensing device and method for producing such a device
RU189678U1 (en) * 2019-03-05 2019-05-30 Евгений Александрович Непокульчицкий Liquid dispenser with reusable pump

Also Published As

Publication number Publication date
EP1215167B1 (en) 2007-12-12
DE50113369D1 (en) 2008-01-24
ES2298211T3 (en) 2008-05-16
US6752295B2 (en) 2004-06-22
ATE380776T1 (en) 2007-12-15
DK1215167T3 (en) 2008-05-05
US20020074359A1 (en) 2002-06-20
EP1215167A3 (en) 2002-06-26

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