EP1038796B1 - Container for pasty or fluid material and metered delivery thereof - Google Patents

Container for pasty or fluid material and metered delivery thereof Download PDF

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Publication number
EP1038796B1
EP1038796B1 EP00105824A EP00105824A EP1038796B1 EP 1038796 B1 EP1038796 B1 EP 1038796B1 EP 00105824 A EP00105824 A EP 00105824A EP 00105824 A EP00105824 A EP 00105824A EP 1038796 B1 EP1038796 B1 EP 1038796B1
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EP
European Patent Office
Prior art keywords
container
compressed air
section
pressure cylinder
container body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP00105824A
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German (de)
French (fr)
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EP1038796A3 (en
EP1038796A2 (en
Inventor
Norbert Herda
Albrecht Konietzko
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EGS Elektro und Hausgeraetewerk Suhl GmbH
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EGS Elektro und Hausgeraetewerk Suhl GmbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0227—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by an ejection plunger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/015—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with pneumatically or hydraulically actuated piston or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0238—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/72—Devices for applying air or other gas pressure for forcing liquid to delivery point

Definitions

  • the present innovation relates to a container for storing pasty or fluid masses and their metered delivery, consisting of a container body with parallel inner walls and a container lid.
  • a stirring system which is specially designed for the preparation of medicines.
  • This stirring system uses special ointment cans in which the medicine is prepared and delivered to the user.
  • the ointment cans shown therein have a container body and a container lid with a dispensing opening which is closed by a closure cap.
  • a stirring tool is positioned in the container with the drive shaft passing through the dispensing opening.
  • the interior of the container can be reduced by pressing the bottom plate, so that emerges from the discharge opening a corresponding amount of the mass.
  • the bottom plate is pressed manually into the container.
  • these containers are not particularly suitable for dispensing pasty materials, since the applied force for pressing the bottom plate due to the specific viscosity of the contained mass requires high forces that can not be readily applied by most users. Operation also becomes more difficult when larger containers are involved.
  • the US 4,019,654 shows a container in which the bottom plate cooperates with a threaded rod, wherein an axial movement of the bottom plate is caused by rotation of the threaded rod.
  • the threaded rod must be moved in this case in the mass contained in the container and out through the bottom plate to the outside or be arranged unhandy outside the container.
  • leaks At the implementation site in the bottom plate often cause leaks, which can lead to the escape of the mass.
  • a relatively tough mass and only a small discharge opening the forces to be applied can be so great that simple operation is no longer possible here or there is a risk of destruction of the threaded rod or counter-thread in the bottom plate.
  • the FR 2 494 604 shows a method and apparatus for dispensing a viscous product.
  • the device comprises a rigid tube in which the product is located.
  • a pressure piston slidable in the tube acts on the viscous product to force it out of the tube through an opposing porthole.
  • the pressure piston is actuated by means of compressed air, which is generated by manual pressure on an elastic element.
  • the compressed air is generated by pressing an actuating piston in the direction of the product.
  • the EP 0 099 554 A2 shows a dispenser with a cylindrical product container.
  • a piston is arranged, which is pneumatically displaceable from the container bottom in the direction of an outlet opening at the container head end.
  • a pump chamber is defined, which can be acted upon by means of a pressing means with compressed air.
  • a bellows open at both longitudinal ends, which is sealingly fitted into the bottom opening of the cylindrical product container. To dispense the product, press the bellows in the direction of the product.
  • a one-hand operated container for dispensing viscous contents of cosmetic preparations known in which a plunger is axially displaced in a cylindrical container.
  • the container has a flexible lower part, in the middle of which an air inlet hole is arranged.
  • By manual pressure and Closure of the air inlet hole is moved by volume reduction of the flexible lower part of the plunger in the direction of the container opening and thereby exerted pressure on the contents.
  • the manual pressure must be aligned in the direction of the contents.
  • the US 4,671,431 shows a expulsion device for a filled with highly viscous medium dispensing container.
  • a pressure vessel is connected via a special adapter with a cartridge, in which a displaceable piston for expelling the filling material is arranged by means of compressed air.
  • the object of the present invention is based on the FR 2 494 604 It is to provide a container for dispensing pasty or fluid masses using compressed air, in which the output can be easily and accurately dosed.
  • the container should also meet increased demands on the hygienic storage of the mass.
  • the container according to the invention comprises a container body with parallel inner walls; a piston member movably inserted in the container body dividing the container body into a compressed air portion and a substantially air-tightly separated storage portion for receiving the pasty or fluid mass and slidable by introducing compressed air into the compressed air portion into the storage portion; a compressed air supply opening which opens into the compressed air section and via which at the lower end of the container in this integrated supply element compressed air is inflatable; and a container lid having a discharge opening from which the mass exits, controlled by the amount of supplied compressed air.
  • the supply element is formed by a pressure cylinder and by a pump piston running in this pressure cylinder. The air contained in the pressure cylinder can be pressed with the pump piston through the compressed air supply.
  • the advantage of this invention is, above all, that a expressions of pasty / fluid mass in the container is made possible by a simple operation with one hand.
  • the force required is low, even with large containers.
  • Another advantage is that leaks in the container bottom are largely avoided, so that both the escape of the mass contained is prevented, and the contamination of this mass is largely excluded by penetrating dirt particles and germs.
  • the container according to the invention can be used for storage and metered delivery of a wide variety of masses and in different fields of use.
  • a storage container for example, suitable for food or other ingredients suitable viscosity, everywhere where it is the medium-term storage and easy metered delivery of pasty / fluid masses is.
  • suitable design of the discharge opening of the container can be used for example for storing and dispensing mustard, ketchup, soap, fats and other masses in the various departments.
  • the supply element which provides the required compressed air, is integrated at the lower end of the container in this. This can be done for example by extending the outer walls of the container body and the arrangement of the supply element in the resulting cavity below the bottom plate.
  • a bellows pump can be arranged in this cavity, wherein the membrane to be actuated is directed downwards.
  • Such a container can then z. B. pressed on a suitable stamp, whereby the supply element is actuated or the membrane is actuated directly.
  • the container can also be arranged in an external guide, which allows easy one-handed operation.
  • the container according to the invention has in its lower portion the pressure cylinder whose axis is transverse to the longitudinal axis of the container and at the end of the compressed air supply opening opens.
  • the displaceable pump piston is arranged, which can be manually operated, whereby the air contained in the pressure cylinder is pressed through the compressed air supply port.
  • this arrangement of the pressure cylinder and the pump piston allows easy handling.
  • the pump piston is preferably designed so that it does not protrude in the retracted position or only slightly beyond the container outer wall to allow easy storage of the container.
  • Another embodiment has formed on the piston element sealing lips, which provide an adequate seal to the container wall.
  • the compressed air supply opening is coupled to a valve which prevents the escape of compressed air through the compressed air supply opening to the outside or back into the supply element.
  • the introduced via the supply element in the compressed air section of the container compressed air can thus not flow back into the supply element, whereby the desired pressure build-up is possible by repeated pumping.
  • the valve can also be arranged in direct connection with the supply element.
  • a particularly advantageous embodiment has in the compressed air section of the container a controllable drain valve, which allows a pressure equalization between the compressed air section and the environment in the open state.
  • this drain valve is designed as a so-called thumb valve, i. a small hole in the compressed air section, which is closed at the desired pressure build-up by the user with a finger and when released automatically let the compressed air stored in the compressed air section flow.
  • thumb valve i. a small hole in the compressed air section, which is closed at the desired pressure build-up by the user with a finger and when released automatically let the compressed air stored in the compressed air section flow.
  • the container according to the invention consists in a preferred embodiment of plastic, wherein in the manufacture of an injection molding method is used, so that the entire container body can be produced in a single operation.
  • FIG. 7 An embodiment of the container according to the invention is in Fig. 7 shown in a sectional side view. Here only the lower part of the container is shown.
  • the supply element consists of a pressure cylinder 35 and a pump piston running in this pressure cylinder 36.
  • An outlet valve 18 opens into the rear region of the pressure cylinder 35.
  • the pump piston 36 is provided with a through hole 37 which opens into the handle portion of the pump piston. This in turn provides a kind of thumb valve which can be closed by the user's thumb during the pumping process.
  • the passage bore 37 remains open during the piston movement.
  • the drain valve 32 (for example a thumb valve) may be provided in the side wall of the pressure section 12.
  • any horizontal container cross-section is conceivable, such as oval or polygonal. It may also be expedient to equip the removal opening for better metering of the discharge amount with a safety valve.
  • This safety valve can also be operated manually, so that it facilitates the venting of the container and at the same time prevents an overpressure in the storage section leads to uncontrolled discharge of the material when opening the discharge opening of the container.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Basic Packing Technique (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Container for dosed delivery of paste or fluid material, comprises a body (1) with parallel inner walls (3), and a plunger type press plate (10,11) which can move in the container and which divides it into a lower section (12) and an upper section (13) that holds the paste or fluid. Container for dosed delivery of paste or fluid material, comprises a body (1) with parallel inner walls (3), and a plunger type press plate (10,11) which can move in the container and which divides it into a lower section (12) and an upper section (13) that holds the paste or fluid. An opening for compressed air is located below the press plate and allows compressed air to be blown into the bottom of the container. The container lid (2) has a delivery opening for the material.

Description

Die vorliegende Neuerung betrifft einen Behälter zur Aufbewahrung von pastösen oder fluiden Massen und deren dosierter Abgabe, bestehend aus einem Behälterkörper mit parallelen Innenwänden und einem Behälterdeckel.The present innovation relates to a container for storing pasty or fluid masses and their metered delivery, consisting of a container body with parallel inner walls and a container lid.

Beispielsweise für pharmazeutische oder kosmetische Salben oder ähnliche pastöse oder fluide Massen werden kleinere Behälter für die Zubereitung und zur mittelfristigen Aufbewahrung verwendet. Häufig werden die Inhalte auf Einzelrezeptur angefertigt, so daß Leerbehälter benötigt werden, die nach oder auch schon während der Zubereitung als Aufbewahrungsbehältnis für das spezielle Präparat dienen. Im medizinischen Bereich kommen zumeist zylindrische Behälter zum Einsatz, auch Salbendosen genannt, die mit einem aufgeschraubten Behälterdeckel verschlossen werden. Um eine kleinere Menge des in dem Behälter aufbewahrten Materials zu entnehmen, muß bei den meisten bekannten Behältern der Behälterdeckel entfernt werden. Gerade in Bereichen, in denen auf besondere Hygieneanforderungen zu achten ist, bereitet die Handhabung dieser Behälter Schwierigkeiten. Zum Öffnen dieser bekannten Behälter benötigt der Benutzer beide Hände, so daß er zur Entnahme der gewünschten Menge den Behälterdeckel ablegen muß. Die Entnahme erfolgt dann mit speziellen Hilfsmitteln oder mit den Fingern. Eine derartige Handhabung birgt die Gefahr in sich, daß die im Behälter aufbewahrte Masse verunreinigt wird. Außerdem läßt sich das zu entnehmende Material nicht sparsam dosieren.For example, for pharmaceutical or cosmetic ointments or similar pasty or fluid masses, smaller containers are used for preparation and for medium-term storage. Frequently, the contents are made on a single formulation, so that empty containers are needed, which are used after or even during preparation as a storage container for the special preparation. In the medical field mostly cylindrical containers are used, also called ointment cans, which are closed with a screwed-on container lid. To remove a smaller amount of material stored in the container, the container lid must be removed in most known containers. Especially in areas where special hygiene requirements must be met, the handling of these containers is difficult. To open this known container, the user requires both hands, so that he must take off the container lid to remove the desired amount. The removal then takes place with special aids or with the fingers. Such handling involves the risk that the mass stored in the container is contaminated. In addition, the material to be removed can not be dispensed sparingly.

Aus der US 5,397,178 ist ein Rührsystem bekannt, welches speziell für die Zubereitung von Arzneimitteln konzipiert ist. Dieses Rührsystem verwendet spezielle Salbendosen, in denen die Arznei zubereitet und an den Benutzer abgegeben wird. Die dort gezeigten Salbendosen besitzen einen Behälterkörper und einen Behälterdeckel mit einer Abgabeöffnung, die durch eine Verschlußkappe verschlossen ist. Während der Zubereitung wird ein Rührwerkzeug in dem Behälter positioniert, wobei die Antriebswelle durch die Abgabeöffnung geführt ist. Zur späteren Abgabe der Arznei kann der Innenraum des Behälters durch Eindrücken der Bodenplatte verkleinert werden, so daß aus der Abgabeöffnung eine entsprechende Menge der Masse austritt. Die Bodenplatte wird manuell in den Behälter eingedrückt. Diese Behälter eignen sich jedoch nicht sonderlich für die Abgabe pastöser Materialien, da die aufzubringende Kraft zum Eindrücken der Bodenplatte aufgrund der spezifischen Viskosität der enthaltenen Masse hohe Kräfte erfordert, die von den meisten Benutzern nicht ohne weiteres aufgebracht werden können. Die Bedienung wird außerdem schwieriger, wenn größere Behälter betroffen sind.From the US 5,397,178 is a stirring system is known, which is specially designed for the preparation of medicines. This stirring system uses special ointment cans in which the medicine is prepared and delivered to the user. The ointment cans shown therein have a container body and a container lid with a dispensing opening which is closed by a closure cap. During preparation, a stirring tool is positioned in the container with the drive shaft passing through the dispensing opening. For later delivery of the drug, the interior of the container can be reduced by pressing the bottom plate, so that emerges from the discharge opening a corresponding amount of the mass. The bottom plate is pressed manually into the container. However, these containers are not particularly suitable for dispensing pasty materials, since the applied force for pressing the bottom plate due to the specific viscosity of the contained mass requires high forces that can not be readily applied by most users. Operation also becomes more difficult when larger containers are involved.

Die US 4,019,654 zeigt einen Behälter, bei welchem die Bodenplatte mit einer Gewindestange zusammenwirkt, wobei durch Verdrehung der Gewindestange eine axiale Bewegung der Bodenplatte hervorgerufen wird. Die Gewindestange muß in diesem Fall in der im Behälter enthaltenen Masse bewegt werden und durch die Bodenplatte nach außen geführt sein oder unhandlich außerhalb des Behälters angeordnet sein. An der Durchführungsstelle in der Bodenplatte entstehen häufig Undichtigkeiten, die zum Austreten der Masse führen können. Bei größeren Behältern, einer relativ zähen Masse und einer nur kleinen Abgabeöffnung können auch hier die aufzubringenden Kräfte so groß werden, daß eine einfache Bedienung nicht mehr möglich ist oder die Gefahr der Zerstörung der Gewindestange bzw. des Gegengewindes in der Bodenplatte besteht.The US 4,019,654 shows a container in which the bottom plate cooperates with a threaded rod, wherein an axial movement of the bottom plate is caused by rotation of the threaded rod. The threaded rod must be moved in this case in the mass contained in the container and out through the bottom plate to the outside or be arranged unhandy outside the container. At the implementation site in the bottom plate often cause leaks, which can lead to the escape of the mass. For larger containers, a relatively tough mass and only a small discharge opening, the forces to be applied can be so great that simple operation is no longer possible here or there is a risk of destruction of the threaded rod or counter-thread in the bottom plate.

Die FR 2 494 604 zeigt ein Verfahren und eine Vorrichtung zur Ausgabe eines viskosen Produktes. Die Vorrichtung umfasst eine starre Röhre, in welcher sich das Produkt befindet. Ein in der Röhre verschiebbarer Druckkolben wirkt auf das viskose Produkt, um es durch eine gegenüberliegende schlotförmige Öffnung aus der Röhre herauspressen zu können. Bei einer der gezeigten Ausführungsformen wird der Druckkolben mithilfe von Druckluft betätigt, die durch manuellen Druck auf ein elastisches Element erzeugt wird. Bei einer anderen Ausführungsform wird die Druckluft dadurch erzeugt, dass ein Betätigungskolben in Richtung des Produktes gedrückt wird.The FR 2 494 604 shows a method and apparatus for dispensing a viscous product. The device comprises a rigid tube in which the product is located. A pressure piston slidable in the tube acts on the viscous product to force it out of the tube through an opposing porthole. In one of the embodiments shown, the pressure piston is actuated by means of compressed air, which is generated by manual pressure on an elastic element. In another embodiment, the compressed air is generated by pressing an actuating piston in the direction of the product.

Die EP 0 099 554 A2 zeigt einen Spender mit einem zylindrischen Produktbehälter. Im Produktbehälter ist ein Kolben angeordnet, der pneumatisch vom Behälterboden aus in Richtung zu einer Austrittsöffnung am Behälterkopfende verschiebbar ist. Zwischen dem Behälterboden und dem Kolben ist ein Pumpenraum definiert, der mithilfe eines Pressmittels mit Druckluft beaufschlagt werden kann. Hierzu dient ein an beiden Längsenden offener Faltenbalg, der in die Bodenöffnung des zylindrischen Produktbehälters dichtend eingepasst ist. Zur Ausgabe des Produktes ist der Faltenbalg in Richtung des Produktes zu pressen.The EP 0 099 554 A2 shows a dispenser with a cylindrical product container. In the product container, a piston is arranged, which is pneumatically displaceable from the container bottom in the direction of an outlet opening at the container head end. Between the container bottom and the piston, a pump chamber is defined, which can be acted upon by means of a pressing means with compressed air. This purpose, a bellows open at both longitudinal ends, which is sealingly fitted into the bottom opening of the cylindrical product container. To dispense the product, press the bellows in the direction of the product.

Aus der DE 32 02 275 A1 ist ein einhandbetätigter Behälter zur Ausgabe viskoser Füllgüter von kosmetischen Zubereitungen bekannt, bei welchem ein Presskolben axial in einem zylindrischen Behälter verschoben wird. Der Behälter weist ein flexibles Unterteil auf, in dessen Mitte ein Lufteintrittsloch angeordnet ist. Durch manuellen Druck und Verschluss des Lufteintrittsloches wird durch Volumenverringerung des flexiblen Unterteils der Presskolben in Richtung der Behälteröffnung bewegt und dadurch Druck auf das Füllgut ausgeübt. Der manuelle Druck muss dabei in Richtung des Füllgutes ausgerichtet sein.From the DE 32 02 275 A1 is a one-hand operated container for dispensing viscous contents of cosmetic preparations known in which a plunger is axially displaced in a cylindrical container. The container has a flexible lower part, in the middle of which an air inlet hole is arranged. By manual pressure and Closure of the air inlet hole is moved by volume reduction of the flexible lower part of the plunger in the direction of the container opening and thereby exerted pressure on the contents. The manual pressure must be aligned in the direction of the contents.

Die US 4,671,431 zeigt eine Austreibvorrichtung für einen mit hochviskosem Füllgut gefüllten Abgabebehälter. Ein Druckbehälter ist über einem speziellen Adapter mit einer Kartusche verbunden, in welcher ein verschiebbarer Kolben zum Austreiben des Füllgutes mittels Druckluft angeordnet ist.The US 4,671,431 shows a expulsion device for a filled with highly viscous medium dispensing container. A pressure vessel is connected via a special adapter with a cartridge, in which a displaceable piston for expelling the filling material is arranged by means of compressed air.

Die Aufgabe der vorliegenden Erfindung besteht ausgehend von der FR 2 494 604 darin, einen Behälter zur Ausgabe von pastösen oder fluiden Massen unter Anwendung von Druckluft bereitzustellen, bei welchem die Ausgabe einfach und genau dosiert werden kann. Der Behälter soll dabei auch gesteigerten Anforderungen an die hygienische Aufbewahrung der Masse gerecht werden.The object of the present invention is based on the FR 2 494 604 It is to provide a container for dispensing pasty or fluid masses using compressed air, in which the output can be easily and accurately dosed. The container should also meet increased demands on the hygienic storage of the mass.

Diese Aufgabe wird durch einen Behälter gemäß dem Anspruch 1 gelöst.This object is achieved by a container according to claim 1.

Der erfindungsgemäße Behälter umfasst einen Behälterkörper mit parallelen Innenwänden; ein Kolbenelement, das beweglich in den Behälterkörper eingesetzt ist, das den Behälterkörper in einen Druckluftabschnitt und einen von diesem im wesentlichen luftdicht abgetrennten Vorratsabschnitt zur Aufnahme der pastösen oder fluiden Masse unterteilt und das durch Einleiten von Druckluft in den Druckluftabschnitt in den Vorratsabschnitt verschiebbar ist; eine Druckluftzufuhröffnung, die in den Druckluftabschnitt mündet und über welche von einem am unteren Ende des Behälters in diesen integriertes Versorgungselement Druckluft einblasbar ist; und einen Behälterdeckel mit einer Abgabeöffnung, aus der die Masse, gesteuert über die Menge an zugeführter Druckluft, austritt. Das Versorgungselement ist durch einen Druckzylinder und durch einen in diesem Druckzylinder laufenden Pumpkolben gebildet. Die im Druckzylinder enthaltende Luft kann mit dem Pumpkolben durch die Druckluftzuführung gepresst werden.The container according to the invention comprises a container body with parallel inner walls; a piston member movably inserted in the container body dividing the container body into a compressed air portion and a substantially air-tightly separated storage portion for receiving the pasty or fluid mass and slidable by introducing compressed air into the compressed air portion into the storage portion; a compressed air supply opening which opens into the compressed air section and via which at the lower end of the container in this integrated supply element compressed air is inflatable; and a container lid having a discharge opening from which the mass exits, controlled by the amount of supplied compressed air. The supply element is formed by a pressure cylinder and by a pump piston running in this pressure cylinder. The air contained in the pressure cylinder can be pressed with the pump piston through the compressed air supply.

Der Vorteil dieser Erfindung besteht vor allem darin, daß ein Ausdrücken der im Behälter befindlichen pastösen/fluiden Masse durch eine einfache Bedienung mit einer Hand ermöglicht wird. Die aufzuwendende Kraft ist auch bei großen Behältern gering. Ein weiterer Vorteil besteht darin, daß undichte Stellen im Behälterboden weitgehend vermieden werden, so daß sowohl das Austreten der enthaltenen Masse verhindert wird, als auch die Kontamination dieser Masse durch eindringende Schmutzpartikel und Keime weitgehend ausgeschlossen ist.The advantage of this invention is, above all, that a expressions of pasty / fluid mass in the container is made possible by a simple operation with one hand. The force required is low, even with large containers. Another advantage is that leaks in the container bottom are largely avoided, so that both the escape of the mass contained is prevented, and the contamination of this mass is largely excluded by penetrating dirt particles and germs.

Der erfindungsgemäße Behälter kann zur Aufbewahrung und dosierten Abgabe verschiedenster Massen und in unterschiedlichen Einsatzbereichen eingesetzt werden. Neben der Anwendung im pharmazeutischen, kosmetischen bzw. medizinischen Bereich (z.B. Dosierung von Salben u.ä.) ist auch der Einsatz als Vorratsbehälter, beispielsweise für Lebensmittel oder andere Gebrauchsstoffe geeigneter Viskosität, überall dort zweckmäßig, wo es um die mittelfristige Aufbewahrung und die leicht dosierbare Abgabe von pastösen/fluiden Massen geht. Durch geeignete Gestaltung der Abgabeöffnung kann der Behälter z.B. zur Aufbewahrung und Abgabe von Senf, Ketchup, Seife, Fetten und anderen Massen in den verschiedenen Fachbereichen eingesetzt werden.The container according to the invention can be used for storage and metered delivery of a wide variety of masses and in different fields of use. In addition to the application in the pharmaceutical, cosmetic or medical field (eg dosage of ointments, etc.) is also the use as a storage container, for example, suitable for food or other ingredients suitable viscosity, everywhere where it is the medium-term storage and easy metered delivery of pasty / fluid masses is. By suitable design of the discharge opening of the container can be used for example for storing and dispensing mustard, ketchup, soap, fats and other masses in the various departments.

Das Versorgungselement, welches die benötigte Druckluft zur Verfügung stellt, ist am unteren Ende des Behälters in diesen integriert. Dies kann beispielsweise durch eine Verlängerung der Außenwände des Behälterkörpers und die Anordnung des Versorgungselements in dem dadurch entstehenden Hohlraum unterhalb der Bodenplatte erfolgen. So läßt sich zum Beispiel eine Balgpumpe in diesem Hohlraum anordnen, wobei die zu betätigende Membran nach unten gerichtet ist. Ein derartiger Behälter kann dann z. B. auf einen passenden Stempel gedrückt werden, wodurch das Versorgungselement betätigt wird oder die Membran wird direkt betätigt. Bei Bedarf kann der Behälter auch in einer externen Führung angeordnet sein, die eine einfache Einhandbedienung ermöglicht.The supply element, which provides the required compressed air, is integrated at the lower end of the container in this. This can be done for example by extending the outer walls of the container body and the arrangement of the supply element in the resulting cavity below the bottom plate. Thus, for example, a bellows pump can be arranged in this cavity, wherein the membrane to be actuated is directed downwards. Such a container can then z. B. pressed on a suitable stamp, whereby the supply element is actuated or the membrane is actuated directly. If necessary, the container can also be arranged in an external guide, which allows easy one-handed operation.

Der erfindungsgemäße Behälter besitzt in seinem unteren Abschnitt den Druckzylinder, dessen Achse quer zur Längsachse des Behälters verläuft und an dessen Ende die Druckluftzufuhröffnung einmündet. In diesem Zylinder ist der verschiebbare Pumpkolben angeordnet, der manuell betätigt werden kann, wodurch die in dem Druckzylinder enthaltene Luft durch die Druckluftzufuhröffnung gepreßt wird. Insbesondere bei kleineren Behältern wird durch diese Anordnung des Druckzylinders und des Pumpkolbens eine einfache Handhabung ermöglicht. Der Pumpkolben ist vorzugsweise so gestaltet, daß er in der eingefahrenen Position nicht oder nur geringfügig über die Behälteraußenwand hinausragt, um die einfache Lagerung des Behälters zu ermöglichen.The container according to the invention has in its lower portion the pressure cylinder whose axis is transverse to the longitudinal axis of the container and at the end of the compressed air supply opening opens. In this cylinder, the displaceable pump piston is arranged, which can be manually operated, whereby the air contained in the pressure cylinder is pressed through the compressed air supply port. Especially for smaller containers, this arrangement of the pressure cylinder and the pump piston allows easy handling. The pump piston is preferably designed so that it does not protrude in the retracted position or only slightly beyond the container outer wall to allow easy storage of the container.

Eine andere Ausführungsform besitzt am Kolbenelement ausgebildete Dichtlippen, die für eine ausreichende Abdichtung zur Behälterwand sorgen.Another embodiment has formed on the piston element sealing lips, which provide an adequate seal to the container wall.

Bei einer weitergebildeten Ausführungsform ist die Druckluftzufuhröffnung mit einem Ventil gekoppelt, welches das Entweichen von Druckluft durch die Druckluftzufuhröffnung nach außen bzw. zurück in das Versorgungselement verhindert. Die über das Versorgungselement in den Druckluftabschnitt des Behälters eingeleitete Druckluft kann damit nicht in das Versorgungselement zurückströmen, wodurch der gewünschte Druckaufbau durch mehrmaliges Pumpen möglich ist. Bei abgewandelten Varianten kann das Ventil auch in direktem Zusammenhang mit dem Versorgungselement angeordnet sein.In a further developed embodiment, the compressed air supply opening is coupled to a valve which prevents the escape of compressed air through the compressed air supply opening to the outside or back into the supply element. The introduced via the supply element in the compressed air section of the container compressed air can thus not flow back into the supply element, whereby the desired pressure build-up is possible by repeated pumping. In modified variants, the valve can also be arranged in direct connection with the supply element.

Eine besonders vorteilhafte Ausführungsform besitzt im Druckluftabschnitt des Behälters ein steuerbares Ablaßventil, welches im geöffneten Zustand einen Druckausgleich zwischen Druckluftabschnitt und Umgebung ermöglicht. Im einfachsten Fall ist dieses Ablaßventil als sogenanntes Daumenventil ausgebildet, d.h. ein kleines Loch im Druckluftabschnitt, welches bei gewünschtem Druckaufbau vom Benutzer mit einem Finger verschlossen wird und bei der Freigabe automatisch die im Druckluftabschnitt gespeicherte Druckluft ausströmen läßt. Nach beendeter Benutzung des Behälters kann dadurch der Druckluftabschnitt druckfrei gestellt werden, so daß ein späteres ungewolltes Austreten der im Vorratsabschnitt enthaltene Masse nicht mehr möglich ist.A particularly advantageous embodiment has in the compressed air section of the container a controllable drain valve, which allows a pressure equalization between the compressed air section and the environment in the open state. In the simplest case, this drain valve is designed as a so-called thumb valve, i. a small hole in the compressed air section, which is closed at the desired pressure build-up by the user with a finger and when released automatically let the compressed air stored in the compressed air section flow. After completion of the use of the container, the compressed air section can be made pressure-free, so that a later unintentional leakage of the mass contained in the storage section is no longer possible.

Der erfindungsgemäße Behälter besteht bei einer bevorzugten Ausführungsform aus Kunststoff, wobei in der Herstellung ein Spritzgußverfahren zum Einsatz kommt, so daß der gesamte Behälterkörper in einem einzigen Arbeitsgang herstellbar ist.The container according to the invention consists in a preferred embodiment of plastic, wherein in the manufacture of an injection molding method is used, so that the entire container body can be produced in a single operation.

Weitere Vorteile, Einzelheiten und Weiterbildungen der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform, unter Bezugnahme auf die Zeichnung. Es zeigt:

Fig. 7
eine Schnittansicht des unteren Bereichs einer Ausführungsform des Behälters mit einem integrierten Druckzylinder und einem Pumpkolben zum Druckaufbau.
Further advantages, details and developments of the present invention will become apparent from the following Description of a preferred embodiment, with reference to the drawing. It shows:
Fig. 7
a sectional view of the lower portion of an embodiment of the container with an integrated pressure cylinder and a pump piston for pressure build-up.

Eine Ausführungsform des erfindungsgemäßen Behälters ist in Fig. 7 in einer geschnittenen Seitenansicht gezeigt. Hier ist nur der untere Bereich des Behälters dargestellt. Das Versorgungselement besteht aus einem Druckzylinder 35 und einem in diesem Druckzylinder laufenden Pumpkolben 36. Ein Auslaßventil 18 mündet in den hinteren Bereich des Druckzylinders 35. Durch Betätigung des Pumpkolbens 36 wird Luft vom Druckzylinder 35 über das Auslaßventil 18 in einen Druckluftabschnitt 12 gepumpt. Bei der gezeigten Ausführungsform ist der Pumpkolben 36 mit einer Durchgangsbohrung 37 versehen, die im Griffabschnitt des Pumpkolbens mündet. Dadurch wird wiederum eine Art Daumenventil bereitgestellt, welches beim Pumpvorgang durch den Daumen des Benutzers verschlossen werden kann. Will der Benutzer den Pumpkolben 36 lediglich zur besseren Aufbewahrung in den Druckzylinder 35 einschieben, ohne Druck im Druckabschnitt 12 aufzubauen, so bleibt die Durchgangsbohrung 37 bei der Kolbenbewegung geöffnet. In der Seitenwand des Druckabschnitts 12 kann wiederum das Ablaßventil 32 (beispielsweise eine Daumenventil) vorgesehen sein.An embodiment of the container according to the invention is in Fig. 7 shown in a sectional side view. Here only the lower part of the container is shown. The supply element consists of a pressure cylinder 35 and a pump piston running in this pressure cylinder 36. An outlet valve 18 opens into the rear region of the pressure cylinder 35. By actuation of the pump piston 36, air is pumped from the pressure cylinder 35 via the outlet valve 18 in a compressed air section 12. In the embodiment shown, the pump piston 36 is provided with a through hole 37 which opens into the handle portion of the pump piston. This in turn provides a kind of thumb valve which can be closed by the user's thumb during the pumping process. If the user wants to push the pumping piston 36 into the impression cylinder 35 only for better storage without building up pressure in the pressure section 12, then the passage bore 37 remains open during the piston movement. In turn, the drain valve 32 (for example a thumb valve) may be provided in the side wall of the pressure section 12.

Es sind vielfältige Abwandlungen denkbar, die sich hinsichtlich der Anordnung der Druckluftzufuhröffnung und/oder des Versorgungselements unterscheiden. Ohne an der Erfindung, nämlich einer druckluftgesteuerten Dosierung aus einem Behälter, hinsichtlich seiner Funktionalität etwas zu ändern, ist jedweder horizontale Behälterquerschnitt denkbar, wie oval oder mehreckig. Auch kann es zweckmäßig sein, die Entnahmeöffnung zur besseren Dosierung der Ausstoßmenge mit einem Sicherheitsventil auszustatten. Dieses Sicherheitsventil kann auch manuell betätigt werden, so daß es die Entlüftung des Behälters erleichtert und gleichzeitig verhindert, daß ein Überdruck im Vorratsabschnitt zum unkontrollierten Austritt des Materials beim Öffnen der Abgabeöffnung des Behälters führt.Various modifications are conceivable which differ with regard to the arrangement of the compressed air supply opening and / or of the supply element. Without the invention, namely a compressed air controlled dosage from a Container, to change anything in terms of functionality, any horizontal container cross-section is conceivable, such as oval or polygonal. It may also be expedient to equip the removal opening for better metering of the discharge amount with a safety valve. This safety valve can also be operated manually, so that it facilitates the venting of the container and at the same time prevents an overpressure in the storage section leads to uncontrolled discharge of the material when opening the discharge opening of the container.

Claims (7)

  1. A container for storing paste-like or fluid masses and the dosed dispensing thereof, comprising:
    - a container body comprising parallel inner walls;
    - a piston element (10), which is movably inserted into the container body, which divides the container body into a compressed air section (12) and a storage section, which is separated therefrom in a substantially air-tight manner, for accommodating the paste-like or fluid mass, and which can be displaced into the storage section by introducing compressed air into the compressed air section;
    - a compressed air supply opening, which discharges in the compressed air section (12) and via which compressed air can be blown by a supply element (35, 36), which is integrated into the container at the lower end thereof;
    - a container lid; and
    - a dispensing opening in the storage section, from which the mass escapes, controlled via the quantity of supplied compressed air;
    wherein the supply element (35, 36) is formed by means of a pressure cylinder (35) and by means of a pump piston (36), which is arranged displaceably in the pressure cylinder (35), wherein the air contained in the pressure cylinder (35) can be pressed through the compressed air supply by means of the pump piston (36), characterized in that the axis of the pressure cylinder (35), which is integrated in the container, runs at right angles to the longitudinal axis of the container, and that the compressed air supply discharges into the compressed air supply at the end of the pressure cylinder (35).
  2. The container according to claim 1, characterized in that it has an oval or polygonal inner cross section.
  3. The container according to claim 1 or 2, characterized in that the compressed air supply opening is coupled to a valve (18), which prevents the escape of compressed air out of the compressed air section (12) through the compressed air supply opening.
  4. The container according to one of claims 1 to 3, characterized in that a controllable discharge valve (32), which, in the open state, provides for a pressure compensation between compressed air section (12) and environment, is arranged in the compressed air section (12).
  5. The container according to one of claims 1 to 4, characterized in that the container body consists of plastic and can be produced in an injection molding process.
  6. The container according to one of claims 1 to 4, characterized in that the container body consists of ceramic or metal.
  7. The container according to one of claims 1 to 6, characterized in that the container lid is integral with the container body.
EP00105824A 1999-03-23 2000-03-20 Container for pasty or fluid material and metered delivery thereof Expired - Lifetime EP1038796B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29905147U DE29905147U1 (en) 1999-03-23 1999-03-23 Container emptied by air pressure
DE29905147U 1999-03-23

Publications (3)

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EP1038796A2 EP1038796A2 (en) 2000-09-27
EP1038796A3 EP1038796A3 (en) 2004-07-07
EP1038796B1 true EP1038796B1 (en) 2011-05-11

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US (1) US6375047B1 (en)
EP (1) EP1038796B1 (en)
AT (1) ATE508982T1 (en)
DE (1) DE29905147U1 (en)

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Publication number Publication date
EP1038796A3 (en) 2004-07-07
ATE508982T1 (en) 2011-05-15
EP1038796A2 (en) 2000-09-27
US6375047B1 (en) 2002-04-23
DE29905147U1 (en) 2000-08-03

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