EP1105342B1 - Dispensing device for a liquid container - Google Patents

Dispensing device for a liquid container Download PDF

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Publication number
EP1105342B1
EP1105342B1 EP99941642A EP99941642A EP1105342B1 EP 1105342 B1 EP1105342 B1 EP 1105342B1 EP 99941642 A EP99941642 A EP 99941642A EP 99941642 A EP99941642 A EP 99941642A EP 1105342 B1 EP1105342 B1 EP 1105342B1
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EP
European Patent Office
Prior art keywords
housing member
valve
outlet opening
housing
disk
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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EP99941642A
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German (de)
French (fr)
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EP1105342A1 (en
Inventor
Arthur Steiger
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.)
Kunst-Stoffwerk and Formenbau Arthur Steiger AG
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Kunst-Stoffwerk and Formenbau Arthur Steiger AG
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Publication of EP1105342A1 publication Critical patent/EP1105342A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • B67D3/043Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer with a closing element having a linear movement, in a direction perpendicular to the seat

Definitions

  • the invention relates to a removal device for a Liquid container - especially for a container flexible material in a surrounding and from the Removal device penetrated i.w. dimensionally stable outer container -, With a tubular part of the removal device an outlet opening that can be closed by a valve element and is provided on the side has, according to the preamble of claim 1.
  • liquid foods such as wine, cooking oil or the like.
  • - are containers from a dimensionally stable outer container and an inner container stored in it known flexible material.
  • the die or cuboid outer container can consist of corrugated cardboard and its inner container made of thermowelded Plastic film to be bag-like.
  • Such systems are also known as "bag-in-box" containers.
  • a flange collar of a hollow molded from plastic Coupling piece welded liquid and gas tight his.
  • a coupling piece is used in this Press in pin or tap; during the cones for Withdrawal of fluid is included for this Purpose of the reclosable tap is a valve element that is assigned to the cross section of an outlet opening.
  • the tap is located inside the outer container for transport and is pre-perforated before opening Section of the outer container pulled. To avoid the unwanted Holding the valve element down can the tap is also equipped with a seal his.
  • the flexible falls when the liquid flows out Inner container together, i.e. its volume always adapts the amount of liquid stored in it - oxidation processes consequently, air does not form.
  • a removal device of the type described in the introduction discloses EP 0 043 698 A1.
  • the valve element here is a plug-like body a pressure plate displaceable in the housing body; latter is in the closed position of the valve element extending approximately parallel to the longitudinal axis of the housing body rod-shaped intermediate element to a calotte made of elastic Material as an actuator arranged on the housing face connected; this calotte is with her Edge fixed to the housing body by clamping and when pressed of the intermediate element deformed.
  • EP 0 553 956 A1 describes another removal device, their actuator also one end a housing is fixed pressure cap.
  • rayt approximately axially - offering a backdrop curve - -
  • Setting pin that has a sawtooth edge at its inner end having cylinder body as a penetrating element contains and its backdrop curve with the rod end a valve element cooperates at the side outlet opening.
  • valve element To the inner container before using oxygen for the first time to keep the breakthrough of Inner container closed by a plate or a stopper be removed before the first use becomes.
  • the valve element with the piercing device be connected, for which reference is made to DE 32 12 232 A1.
  • the latter describes a valve with valve element and closure device, where the valve element as well as a Plugs of the closure device coaxially one behind the other are arranged. When pressing an elastic button the valve element is removed from its valve seat; this opens the tap. In addition, the valve element presses the plug outwards, and the container breakthrough opens.
  • EP 0 432 070 A describes a tap with a housing body and a piston loaded with an energy accumulator known.
  • the piston acts on one with the housing body connected sealing membrane.
  • the invention lies in knowledge of this prior art the task of a removal device for liquid containers made of flexible material, especially for Bag-in-box system wine containers, under construction to simplify and increase their gas tightness. moreover should reduce the amount of plastic and the Manageability and cleanability can be improved.
  • a tubular housing body is at one end closed by a membrane-like end plate and in this one a cross-like web-like element stored by who runs out of a valve lifter for a valve disk, which of those provided laterally in the tubular housing body Outlet opening is assigned.
  • Valve tappets and valve plates should advantageously consist of a molding unit compared to the housing body or the web-like element Form softer plastic - for example from polyethylene.
  • the valve lifter is in the area of a joint stored on the web-like element.
  • the latter and the housing body are preferably molded from polypropylene.
  • the web-like element mentioned runs after another Feature of the invention in the closed position of the valve plate approximately parallel to the longitudinal axis of the housing body and can result from this while temporarily deforming the face plate be pivoted towards the outlet opening, which is why advantageously outside the housing body as one Type of key body is designed, that is, a printing surface for a finger or the like offering.
  • the key body Around the swivel path to specify the web element is the key body after the Invention molded on the back of a stop element, which in Locking position at a distance from one of the front of the housing body protruding tongue or the like. Profile element stands. This helps a user make the swivel movement with two fingers.
  • the bearing tongue can be diametrically aligned with the outlet opening assigned opposite circumferential area of the housing body be, i.e. the two fingers grabbing the inner section of the web element to the outlet opening towards - the valve plate is the outlet opening surrounding edge or pipe socket on the outside of the housing body assigned and is led away from the latter.
  • the bearing tongue is the peripheral region adjacent to the outlet opening assigned or molded onto the housing body, the two fingers pivot the inner section of the Web elements away from the outlet opening, which is why in this In the case of the valve plate, the one surrounding the outlet opening Edge or pipe socket on the inside of the housing body assigned and to its longitudinal axis from the pipe socket or the like. can be lifted off.
  • the key body is only after the form strips have been severed to pivot.
  • the housing body is at a distance from the outlet opening a radial flange collar equipped as a stop element for a ring body that can be slid onto the housing body a thrust flange.
  • the latter is on the inner container by means of an end ring flange, the one Breakthrough of the liquid container limited, tightly fixed, welded for example and forms its coupling part for the housing body.
  • the latter and the thrust flange are in the use position due to radial retention pairs - circumferential grooves on the one hand and on the other hand in these usable circumferential beads - snapping together tightly connected.
  • the tap 14 is made of two separately manufactured according to FIG. 2 Parts assembled, namely one made of polypropylene shaped housing body 18 and a valve element 20 made of polyethylene. That housing body 18 comprises a cylindrical tube 22 of the outer diameter d and a the cylindrical tube 22 at one end closing membrane-like Face washer 24.
  • the key body 28 stands like an arm from the face plate 24 protruding - according to Fig. 3 corrugated cross-section - bearing tongue 30 versus.
  • FIG. 2 is a side view that is almost triangular Recognize locking tab 32, the key body 28th before the tap 14 is used for the first time by means of shaped strips 34 connects to the housing body 18 via that securing tab 32 and thus prevents unwanted activity; first after removing the securing tab 32 can on the Surface of the key body 28 a finger one - not shown.
  • Acting hand for example here whose index fingers - are put on. Lies the thumb hand on that tongue 30, the key body 28 easily pulled in the direction of the arrow x and so the valve element 20 are operated. The stop bar prevents this 29 an excessive deflection of the key body 28 if he moves to the inside during the latter the tongues 30 hits.
  • a tube stub 38 is formed from the latter, defining an outlet opening, the longitudinal axis B of which defines an angle w of approximately 75 ° with the longitudinal axis A of the tube 22.
  • the tube wall is drawn in at 40 — toward the longitudinal axis A; this lower region of the housing body 18 in FIG. 2 thus has a smaller radius r 1 than the region above with the radius r.
  • the pipe socket 38 takes - in its up through an inner edge 39 and forming an outlet opening Interior 41 - a valve plate 42, which means one molded onto it and with it as a molding unit that valve element 20 forming valve lifter 44 near the free end 27 of the web 26 articulated to this at 46 or is plugged into it; the valve plate unit 42 and plunger 44 is manufactured separately and then to the Bridge 26 added.
  • the film 13 forming the liquid container 12 is in the Area of the mentioned container opening with a thrust flange 48 connected, which on the left in Fig. 2 cylindrical nozzle section 23 pushed on and on this is clamped.
  • the thrust flange 48 consists of an annular body 50 with radially integrally formed annular flanges 52; take inner ring grooves 54 of the ring body 50 thereby outer annular beads 56 of the nozzle area 23.
  • valve plate 42 is stored here in the rest position shown on the inner edge 39 of the Pipe socket 38, whereas it is in execution after 2, 3 is located on the outer edge 37 of the pipe socket 38. In In both cases, the valve plate 42 is from the socket interior 41 lifted off.
  • a strand-like and flexibly designed fixing element 60 - for example a plastic thread ending in a ball 62 as a latching body - can be introduced on the key body 28; the latter is inserted into an edge slot 31 of the bearing tongue 30 in the open position of the valve element 20, the ball 62 being supported on the outer surface of the bearing tongue 30 and holding the valve element 20 in the open position.
  • an external thread 64 can be formed in the pipe socket 38 a .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Closures For Containers (AREA)
  • Sampling And Sample Adjustment (AREA)

Description

Die Erfindung betrifft eine Entnahmevorrichtung für einen Flüssigkeitsbehälter -- insbesondere für einen Behälter aus flexiblem Werkstoff in einem ihn umgebenden und von der Entnahmevorrichtung durchgriffenen i.w. formstabilen Außenbehälter --, wobei ein rohrartiger Teil der Entnahmevorrichtung eine von einem Ventilelement verschließbare, seitlich vorgesehene Auslassöffnung aufweist, nach dem Oberbegriff des Patentanspruches 1.The invention relates to a removal device for a Liquid container - especially for a container flexible material in a surrounding and from the Removal device penetrated i.w. dimensionally stable outer container -, With a tubular part of the removal device an outlet opening that can be closed by a valve element and is provided on the side has, according to the preamble of claim 1.

Zur Aufbewahrung flüssiger Lebensmittel -- wie Wein, Speiseöl od.dgl. -- sind Gebinde aus einem formstabilen Außenbehälter und einem in diesem lagernden Innenbehälter aus flexiblem Werkstoff bekannt. Der beispielsweise würfeloder quaderförmige Außenbehälter kann aus Wellkarton bestehen und sein Innenbehälter aus thermogeschweisster Kunststofffolie sackartig ausgebildet sein. Solche Systeme werden auch als "Bag-in-Box"-Behältnisse bezeichnet.For storing liquid foods - such as wine, cooking oil or the like. - are containers from a dimensionally stable outer container and an inner container stored in it known flexible material. For example, the die or cuboid outer container can consist of corrugated cardboard and its inner container made of thermowelded Plastic film to be bag-like. Such systems are also known as "bag-in-box" containers.

In einem Durchbruch des Innenbehälters kann mit letzteren ein Flanschkragen eines aus Kunststoff geformten hohlen Kupplungsstückes flüssigkeits- und gasdicht verschweisst sein. Üblicherweise wird in dieses Kupplungsstück ein Zapfen oder ein Hahn eingepresst; während der Zapfen zur Flüssigkeitsentnahme abgezogen wird, enthält für diesen Zweck der wieder schließbare Hahn ein Ventilelement, das dem Querschnitt einer Auslassöffnung zugeordnet ist.In an opening of the inner container can with the latter a flange collar of a hollow molded from plastic Coupling piece welded liquid and gas tight his. Usually a coupling piece is used in this Press in pin or tap; during the cones for Withdrawal of fluid is included for this Purpose of the reclosable tap is a valve element that is assigned to the cross section of an outlet opening.

Zum Transport befindet sich der Hahn innerhalb des Außenbehälters und wird vor dem Öffnen durch einen vorperforierten Abschnitt des Außenbehälters gezogen. Um hierbei das ungewollte Betätigen des Ventilelements hintanzuhalten, kann der Hahn zusätzlich mit einer Versiegelung ausgerüstet sein. Beim Ausfließen der Flüssigkeit fällt der flexible Innenbehälter zusammen, d.h. sein Volumen passt sich stets der in ihm lagernden Flüssigkeitsmenge an - Oxidationsvorgänge durch nachströmende Luft entstehen somit nicht.The tap is located inside the outer container for transport and is pre-perforated before opening Section of the outer container pulled. To avoid the unwanted Holding the valve element down can the tap is also equipped with a seal his. The flexible falls when the liquid flows out Inner container together, i.e. its volume always adapts the amount of liquid stored in it - oxidation processes consequently, air does not form.

Von Bedeutung für derartige Hähne ist deren Dichtigkeit gegenüber dem Umgebungssauerstoff; dringt dieser in den Flüssigkeitsbehälter, vermindert sich die Haltbarkeit flüssiger Nahrungsmittel, beispielsweise im Innenbeutel lagernden Weines, erheblich. Die Dichtigkeit eines aus Kunststoff geformten Hahnes vermindert sich naheliegenderweise reziprok zur Anzahl in ihm vorhandener Verbindungsstellen.The tightness of such taps is important for such taps the ambient oxygen; this penetrates into the liquid container, the shelf life decreases more fluid Foodstuffs, for example stored in the inner bag Wine, considerably. The tightness of a molded plastic Hahnes obviously decreases reciprocally the number of connection points in it.

Die von einem Hahn der beschriebenen Art geforderten Eigenschaften sind neben einer guten Fließgeschwindigkeit für das Füllgut eine einfache Sauberhaltung sowie eine das Spritzgießen arleichtende Formgebung.The properties required by a tap of the type described are in addition to a good flow rate for the product is easy to keep clean and that Injection-molding design.

Eine Entnahmevorrichtung der eingangs beschriebenen Art offenbart die EP 0 043 698 A1.A removal device of the type described in the introduction discloses EP 0 043 698 A1.

Das Ventilelement ist hier ein stopfenartiger Körper an einer im Gehäusekörper verschieblichen Druckplatte; letztere ist mit einem in Verschlussstellung des Ventilelements etwa parallel zur Längsachse des Gehäusekörpers verlaufenden stabförmigen Zwischenelement an eine Kalotte aus elastischem Werkstoff als an der Gehäusestirn angeordnetes Betätigungsorgan angeschlossen; diese Kalotte wird mit ihrem Rand am Gehäusekörper klemmend festgelegt und bei Betätigen des Zwischenelements verformt.The valve element here is a plug-like body a pressure plate displaceable in the housing body; latter is in the closed position of the valve element extending approximately parallel to the longitudinal axis of the housing body rod-shaped intermediate element to a calotte made of elastic Material as an actuator arranged on the housing face connected; this calotte is with her Edge fixed to the housing body by clamping and when pressed of the intermediate element deformed.

Die EP 0 553 956 A1 beschreibt eine andere Entnahmevorrichtung, deren Betätigungsorgan ebenfalls eine einends an einem Gehäusekörper festliegende Druckkalotte ist. Von dieser rayt etwa axial ein -- eine Kulissenkurve anbietender - - Kulissenstift ab, der an seinem inneren Ende einen Sägezahnrand aufweisenden Zylinderkörper als Durchdringungselement enthält und dessen Kulissenkurve mit dem Stabende eines Ventilelements an der seitlichen Auslassöffnung zusammenwirkt.EP 0 553 956 A1 describes another removal device, their actuator also one end a housing is fixed pressure cap. Of this rayt approximately axially - offering a backdrop curve - - Setting pin that has a sawtooth edge at its inner end having cylinder body as a penetrating element contains and its backdrop curve with the rod end a valve element cooperates at the side outlet opening.

Ungeeignet für sog. Bag-in-Box-Systeme sind Drehelemente, da der flexible Innenbehälter keinen ausreichenden Drehwiderstand anbietet. Zum Öffnen, eines solchen Hahnes muss man diesen oder sein Kopplungsstück mit der einen Hand festhalten, während man mit der anderen Hand das Ventilelement bedient. Ein Drehhahn mit einem von Hand drehbaren Ventildeckel ist beispielsweise der DE 39 10 425 A1 zu entnehmen. Für eine Bag-in-Box sind Hähne besser geeignet, die mit einer Hand zugleich geöffnet und gehalten zu werden vermögen; dadurch bleibt die zweite Hand zum Festhalten eines zu füllenden Gefäßes zur Verfügung.Unsuitable for so-called bag-in-box systems are rotating elements, because the flexible inner container does not have sufficient resistance to rotation offering. To open such a tap must one or his coupling piece with one hand hold on while holding the valve element with your other hand served. A rotary tap with a manually rotatable one Valve cover can be found, for example, in DE 39 10 425 A1. For a bag-in-box, taps are more suitable to be opened and held with one hand at the same time capital; this leaves the second hand to hold on to of a vessel to be filled.

Um den Innenbehälter vor dessen Erstverwendung von Sauerstoff frei zu halten, kann der erwähnte Durchbruch des Innenbehälters durch eine Platte oder einen Stöpsel verschlossen sein, die/der vor dem ersten Gebrauch entfernt wird. Auch gibt es Hähne, die zusätzlich zum Ventilelement noch eine Einrichtung zum Durchstoßen jener Platte bzw. zum Entfernen des Stöpsels aus dem Behälterdurchbruch anbieten. Dabei kann das Ventilelement mit der Durchstoßeinrichtung verbunden sein, wozu auf die DE 32 12 232 A1 verwiesen sei. Letztere beschreibt einen Hahn mit Ventilelement und Verschlusseinrichtung, bei dem das Ventilelement sowie ein Stöpsel der Verschlusseinrichtung koaxial hintereinander angeordnet sind. Bei Betätigung eines elastischen Knopfes wird das Ventilelement aus seinem Ventilsitz entfernt; hierdurch öffnet sich der Hahn. Zudem drückt das Ventilelement den Stöpsel ausgangswärts, und der Behälterdurchbruch öffnet sich.To the inner container before using oxygen for the first time to keep the breakthrough of Inner container closed by a plate or a stopper be removed before the first use becomes. There are also taps in addition to the valve element another device for piercing that plate or Offer to remove the stopper from the container opening. The valve element with the piercing device be connected, for which reference is made to DE 32 12 232 A1. The latter describes a valve with valve element and closure device, where the valve element as well as a Plugs of the closure device coaxially one behind the other are arranged. When pressing an elastic button the valve element is removed from its valve seat; this opens the tap. In addition, the valve element presses the plug outwards, and the container breakthrough opens.

Durch die EP 0 432 070 A wurde ein Hahn mit einem Gehäusekörper und einem mit einem Kraftspeicher belasteten Kolben bekannt. Der Kolben wirkt auf eine mit dem Gehäusekörper verbundene Dichtungsmembrane.EP 0 432 070 A describes a tap with a housing body and a piston loaded with an energy accumulator known. The piston acts on one with the housing body connected sealing membrane.

Die bisher für die Bag-in-Box-Systeme angebotenen Entnahmeeinrichtungen sind i.a. von aufwendiger Konzeption, und zu ihrer Formgebung bedarf es verhältnismäßig großer Kunststoffmassen. Diese Entnahmeeinrichtungen sind sowohl bezüglich ihrer Herstellung als auch zur Lagerhaltung zu kostenintensiv. Darüberhinaus bleibt die Gasdichtheit mangelhaft; die auf dem Markt befindlichen Hähne enthalten eine Vielzahl von Weichteilen; diese aber vermindern erkennbar die Gasdichtheit bei geringer Wärmeformbeständigkeit.The removal devices previously offered for the bag-in-box systems are generally of elaborate conception, and too their shape requires relatively large plastic masses. These removal devices are both related their production and storage too expensive. In addition, the gas tightness remains poor; the taps on the market contain a large number of soft tissues; but these noticeably reduce the Gas tightness with low heat resistance.

In Kenntnis dieses Standes der Technik liegt der Erfindung die Aufgabe zugrunde, eine Entnahmeeinrichtung für Flüssigkeitsbehälter aus flexiblem Werkstoff, insbesondere für Weinbehälter von Bag-in-Box-Systemen, in der Konstruktion zu vereinfachen sowie deren Gasdichtigkeit zu erhöhen. Zudem sollen der Aufwand an Kunststoff vermindert sowie die Handhabbarkeit und die Reinigungsfähigkeit verbessert werden.The invention lies in knowledge of this prior art the task of a removal device for liquid containers made of flexible material, especially for Bag-in-box system wine containers, under construction to simplify and increase their gas tightness. moreover should reduce the amount of plastic and the Manageability and cleanability can be improved.

Zur Lösung dieser Aufgabe führt die Lehre des unabhängigen Anspruches; die Unteransprüche geben günstige Weiterbildungen an. Zudem fallen in den Rahmen der Erfindung alle Kombinationen aus zumindest zwei der in der Beschreibung, der Zeichnung und/oder den Ansprüchen offenbarten Merkmale. The teaching of the independent leads to the solution of this task claim; the subclaims give favorable further training on. In addition, all combinations fall within the scope of the invention from at least two of those in the description, the Drawing and / or the features disclosed in the claims.

Erfindungsgemäß ist ein rohrartiger Gehäusekörper einends von einer membranartigen Stirnscheibe verschlossen und in dieser ein sie querendes stegartiges Element gelagert, von dem ein Ventilstößel für einen Ventilteller ausgeht, welcher der im rohrartigen Gehäusekörper seitlich vorgesehenen Auslassöffnung zugeordnet ist. Ventilstößel und Ventilteller sollen vorteilhafterweise eine Formeinheit aus gegenüber dem Gehäusekörper oder dem stegartigen Element weicherem Kunststoff -- beispielsweise aus Poylethylen --bilden; der Ventilstößel ist im Bereich einer Gelenkstelle am stegartigen Element gelagert. Letzteres und der Gehäusekörper werden bevorzugt aus Polypropylen geformt.According to the invention, a tubular housing body is at one end closed by a membrane-like end plate and in this one a cross-like web-like element stored by who runs out of a valve lifter for a valve disk, which of those provided laterally in the tubular housing body Outlet opening is assigned. Valve tappets and valve plates should advantageously consist of a molding unit compared to the housing body or the web-like element Form softer plastic - for example from polyethylene. the valve lifter is in the area of a joint stored on the web-like element. The latter and the housing body are preferably molded from polypropylene.

Das erwähnte stegartige Element verläuft nach einem weiteren Merkmal der Erfindung in Verschlussstellung des Ventiltellers etwa parallel zur Längsachse des Gehäusekörpers und kann aus dieser unter zeitweiligem Verformen der Stirnscheibe zur Auslassöffnung hin geschwenkt werden, wozu es vorteilhafterweise außerhalb des Gehäusekörpers als eine Art von Tastenkörper ausgestaltet ist, also eine Druckfläche für einen Finger od.dgl. anbietet. Um den Schwenkweg des Stegelements vorzugeben, ist dem Tastenkörper nach der Erfindung rückseitig ein Anschlagelement angeformt, das in Verschlussstellung in Abstand zu einer von der Stirnseite des Gehäusekörpers abragenden Lagerzunge od. dgl. Profilelement steht. Diese hilft einem Benutzer, die Schwenkbewegung mittels zweier Finger durchzuführen.The web-like element mentioned runs after another Feature of the invention in the closed position of the valve plate approximately parallel to the longitudinal axis of the housing body and can result from this while temporarily deforming the face plate be pivoted towards the outlet opening, which is why advantageously outside the housing body as one Type of key body is designed, that is, a printing surface for a finger or the like offering. Around the swivel path to specify the web element is the key body after the Invention molded on the back of a stop element, which in Locking position at a distance from one of the front of the housing body protruding tongue or the like. Profile element stands. This helps a user make the swivel movement with two fingers.

Dazu kann die Lagerzunge dem diametral der Auslassöffnung gegenüberliegenden Umfangsbereich des Gehäusekörpers zugeordnet sein, d.h. die beiden zupackenden Finger schwenken den inneren Abschnitt des Stegelements zur Auslassöffnung hin - dazu ist der Ventilteller einem die Auslassöffnung umgebenden Rand oder Rohrstutzen an der Außenseite des Gehäusekörpers zugeordnet und wird von letzterem weg geführt. For this purpose, the bearing tongue can be diametrically aligned with the outlet opening assigned opposite circumferential area of the housing body be, i.e. the two fingers grabbing the inner section of the web element to the outlet opening towards - the valve plate is the outlet opening surrounding edge or pipe socket on the outside of the housing body assigned and is led away from the latter.

Ist die Lagerzunge dem der Auslassöffnung benachbarten Umfangsbereich des Gehäusekörpers zugeordnet bzw. angeformt, schwenken die beiden Finger den inneren Abschnitt des Stegelements von der Auslassöffnung weg, weshalb in diesem Falle der Ventilteller jenem die Auslassöffnung umgebenden Rand oder Rohrstutzen an der Innenseite des Gehäusekörpers zugeordnet und zu dessen Längsachse hin vom Rohrstutzen od.dgl. abhebbar ist.The bearing tongue is the peripheral region adjacent to the outlet opening assigned or molded onto the housing body, the two fingers pivot the inner section of the Web elements away from the outlet opening, which is why in this In the case of the valve plate, the one surrounding the outlet opening Edge or pipe socket on the inside of the housing body assigned and to its longitudinal axis from the pipe socket or the like. can be lifted off.

Ein ungewolltes Betätigen des Ventils auf dem Transport od.dgl. wird dadurch verhindert, dass der Tastenkörper vorderseitig an wenigstens eine Sicherungslasche angeschlossen und diese andernends mit dem Gehäusekörper und/oder dessen Stirnscheibe verbunden ist; jene Sicherungslasche kann vorteilhafterweise einerseits an den Tastenkörper sowie anderseits an die Stirnscheibe jeweils durch zumindest einen Formstreifen angeformt sein.An unwanted actuation of the valve during transport or the like. is prevented that the key body on the front connected to at least one securing tab and this elsewhere with the housing body and / or its Face plate is connected; that securing tab can advantageously on the one hand on the key body and on the other hand to the face plate by at least one Form strips be molded.

Erst nach dem Durchtrennen der Formstreifen ist der Tastenkörper zu verschwenken.The key body is only after the form strips have been severed to pivot.

Will man das Offenhalten der Auslassöffnung von der Hand des Benutzers unabhängig beibehalten, wird an den Tastenkörper ein von ihm ausgehender und zumindest teilweise flexibler Formstrang mit endwärtigem Rastkörper angefügt bzw. angeformt; in Öffnungsstellung des Ventilelements und geneigter Lage des stegartigen Elements wird der Formstrang in eine Randausnehmung der Lagerzunge so eingeschoben, dass sein Rastkörper auf die Außenfläche der Lagerzunge aufgelegt werden kann. Die Stellung des Tastenkörpers -- und somit des Ventils -- ist dadurch festgelegt.If you want to keep the outlet opening open from your hand maintained independently by the user is attached to the key body an outgoing and at least partially flexible molded strand with end locking body attached or molded; in the open position of the valve element and The shaped strand becomes the inclined position of the web-like element inserted into an edge recess of the bearing tongue in such a way that his locking body placed on the outer surface of the bearing tongue can be. The position of the key body - and thus of the valve - is determined by this.

Als günstig hat sich erwiesen, den die Auslassöffnung umgebenden Rohrstutzen in einen Winkel zur Längsachse des Gehäusekörpers aus diesem herauszuformen, bevorzugt in einem Winkel von etwa 75°, hierdurch wird die Auslassöffnung leichter zugänglich. Ist zudem der Rohrstutzen mit einem Außengewinde versehen, kann an diesem ein Schlauch als Dauerleitung befestigt werden.It has proven to be advantageous to surround the outlet opening Pipe socket at an angle to the longitudinal axis of the housing body to shape out of this, preferably in one Angle of about 75 °, this will make the outlet opening more accessible. Is also the pipe socket with a Provided external thread, a hose as this Permanent line can be attached.

Der Gehäusekörper ist in Abstand zur Auslassöffnung mit einem radialen Flanschkragen ausgestattet als Anschlagelement für einen auf den Gehäusekörper aufschiebbaren Ringkörper eines Schubflansches. Letzterer wird am Innenbehälter mittels eines endwärtigen Ringflansches, der einen Durchbruch des Flüssigkeitsbehälters begrenzt, dicht festgelegt, beispielsweise angeschweißt und bildet dessen Kupplungsteil für den Gehäusekörper. Letzterer sowie der Schubflansch sind in Gebrauchsstellung durch radial wirkende Retentionspaarungen -- einerseits Umfangsnuten und anderseits in diese einsetzbare Umfangswülste -- miteinander rastend dicht verbunden. The housing body is at a distance from the outlet opening a radial flange collar equipped as a stop element for a ring body that can be slid onto the housing body a thrust flange. The latter is on the inner container by means of an end ring flange, the one Breakthrough of the liquid container limited, tightly fixed, welded for example and forms its coupling part for the housing body. The latter and the thrust flange are in the use position due to radial retention pairs - circumferential grooves on the one hand and on the other hand in these usable circumferential beads - snapping together tightly connected.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung; diese zeigt in:

Fig. 1:
eine Schrägsicht auf einen Weinbehälter mit einem Kunststoffhahn zur Behälterleerung;
Fig. 2,4:
Querschnitte durch zwei Ausführungen des Kunststoffhahnes;
Fig. 3,5:
die Stirnansichten zu Fig.2 bzw. Fig. 4;
Fig. 5,6:
teilweise Schnitte durch Bereiche des Kunststoffhahnes;
Fig. 7:
ein Detail der Fig. 2 in geänderter Ausgestaltung;
Fig. 8:
einen vergrößerten Ausschnitt aus Fig. 2, 4 in einer weiteren Ausführung.
Further advantages, features and details of the invention result from the following description of preferred exemplary embodiments and from the drawing; this shows in:
Fig. 1:
an oblique view of a wine container with a plastic tap for emptying the container;
Fig.2.4:
Cross sections through two versions of the plastic tap;
Fig. 3,5:
the end views of Fig.2 and Fig. 4;
Fig. 5,6:
partial cuts through areas of the plastic tap;
Fig. 7:
a detail of Figure 2 in a modified embodiment.
Fig. 8:
an enlarged section of Fig. 2, 4 in a further embodiment.

In einem aus Wellpappe od.dgl. gefertigten quaderförmigen Außen- oder Verpackungsbehälter 10 ist ein bei 12 nur angedeuteter, sackartig ausgebildeter Flüssigkeitsbehälter aus thermogeschweisster Kunststoffolie mit äußerem Überzug aus einer Aluminiumschicht untergebracht. Dieser flexible Innen- oder Flüssigkeitsbehälter 12 ist im Bereich eines in Fig. 2 angedeuteten Durchbruches mit einem Hahn 14 ausgestattet, der den Verpackungsbehälter 10 durchsetzt. Dank des Hahns 14 kann beispielsweise eine Weinkaraffe 16 mit dem Behälterinhalt gefüllt werden. Selbstverständlich kann diese sog. "Bag-in-Box" auch industrielle Flüssigkeit od. dgl. enthalten. In a corrugated cardboard or the like. manufactured cuboid Outer or packaging container 10 is only indicated at 12, bag-like liquid container thermowelded plastic film with outer coating an aluminum layer. This flexible Inner or liquid container 12 is in the area of a 2 indicated breakthrough equipped with a tap 14, which passes through the packaging container 10. thanks of the tap 14 can, for example, a wine carafe 16 the container contents are filled. Of course you can this so-called "bag-in-box" also industrial liquid or Like. included.

Der Hahn 14 ist gemäß Fig. 2 aus zwei jeweils gesondert gefertigten Teilen zusammengesetzt, nämlich einem aus Polypropylen geformten Gehäusekörper 18 sowie einem Ventilelement 20 aus Polyethylen. Jener Gehäusekörper 18 umfasst ein zylindrisches Rohr 22 des Außendurchmessers d sowie eine das zylindrische Rohr 22 einends verschließende membranartige Stirnscheibe 24.The tap 14 is made of two separately manufactured according to FIG. 2 Parts assembled, namely one made of polypropylene shaped housing body 18 and a valve element 20 made of polyethylene. That housing body 18 comprises a cylindrical tube 22 of the outer diameter d and a the cylindrical tube 22 at one end closing membrane-like Face washer 24.

Etwa in der Längsachse A des zylindrischen Rohres 22 verläuft ein die Stirnscheibe 24 durchdringender Steg 26 für das Ventilelement 20, der außerhalb jener Stirnscheibe 24 eine Art Tastenkörper 28 bildet und einen aufwärts gerichteten Anschlagsteg 29 od. dgl. Anformung trägt. Dem Tastenkörper 28 steht eine armartig von der Stirnscheibe 24 abragende -- gemäß Fig. 3 querschnittlich gewellte --Lagerzunge 30 gegenüber.Runs approximately in the longitudinal axis A of the cylindrical tube 22 a web 26 penetrating the end disk 24 for the valve element 20, which is outside that face plate 24 forms a kind of key body 28 and an upward Stop web 29 or the like. the The key body 28 stands like an arm from the face plate 24 protruding - according to Fig. 3 corrugated cross-section - bearing tongue 30 versus.

In Fig. 2 ist eine in Seitenansicht nahezu dreiecksförmige Sicherungslasche 32 zu erkennen, die den Tastenkörper 28 vor dem Erstgebrauch des Hahnes 14 mittels Formstreifen 34 über jene Sicherungslasche 32 mit dem Gehäusekörper 18 verbindet und so eine ungewollte Betätigung verhindert; erst nach dem Abtrennen der Sicherungslasche 32 kann auf die Oberfläche des Tastenkörpers 28 ein Finger einer -- nicht dargestellten. -- betätigenden Hand -- beispielsweise hier deren Zeigefinger -- aufgesetzt werden. Legt sich der Daumen der Hand auf jene Lagerzunge 30, kann der Tastenkörper 28 problemlos in Pfeilrichtung x gezogen und so das Ventilelement 20 betätigt werden. Dabei verhindert der Anschlagsteg 29 eine zu große Auslenkung des Tastenkörpers 28, wenn er bei der letzteren Bewegung auf die Innenseite der Lagerzungen 30 trifft.2 is a side view that is almost triangular Recognize locking tab 32, the key body 28th before the tap 14 is used for the first time by means of shaped strips 34 connects to the housing body 18 via that securing tab 32 and thus prevents unwanted activity; first after removing the securing tab 32 can on the Surface of the key body 28 a finger one - not shown. - Acting hand - for example here whose index fingers - are put on. Lies the thumb hand on that tongue 30, the key body 28 easily pulled in the direction of the arrow x and so the valve element 20 are operated. The stop bar prevents this 29 an excessive deflection of the key body 28 if he moves to the inside during the latter the tongues 30 hits.

Nahe der Stirnscheibe 24 ist zwischen dieser und einem radial angeformten Flanschkragen 36 des zylindrischen Rohres 22 aus letzterem ein -- eine Auslassöffnung definierender-- Rohrstutzen 38 herausgeformt, dessen Längsachse B mit der Längsachse A des Rohres 22 einen Winkel w von etwa 75° begrenzt. Zwischen ihm und der Stirnscheibe 24 ist die Rohrwand bei 40 -- zur Längsachse A hin -- eingezogen; dieser in Fig. 2 untere Bereich des Gehäusekörpers 18 also von geringerem Radius r1 als der hier oben liegende Bereich mit dem Radius r.Near the end plate 24, between this and a radially formed flange collar 36 of the cylindrical tube 22, a tube stub 38 is formed from the latter, defining an outlet opening, the longitudinal axis B of which defines an angle w of approximately 75 ° with the longitudinal axis A of the tube 22. Between it and the face plate 24, the tube wall is drawn in at 40 — toward the longitudinal axis A; this lower region of the housing body 18 in FIG. 2 thus has a smaller radius r 1 than the region above with the radius r.

Der Rohrstutzen 38 nimmt -- in seinem nach oben hin durch einen Innenrand 39 begrenzten und eine Auslassöffnung bildenden Innenraum 41 -- einen Ventilteller 42 auf, der mittels eines an ihn angeformten sowie mit ihm als Formeinheit jenes Ventilelement 20 bildenden Ventilstößels 44 nahe dem freien Ende 27 des Steges 26 an diesen bei 46 angelenkt oder in ihn eingesteckt ist; die Einheit aus Ventilteller 42 und Stößel 44 wird gesondert gefertigt und dann an den Steg 26 angefügt.The pipe socket 38 takes - in its up through an inner edge 39 and forming an outlet opening Interior 41 - a valve plate 42, which means one molded onto it and with it as a molding unit that valve element 20 forming valve lifter 44 near the free end 27 of the web 26 articulated to this at 46 or is plugged into it; the valve plate unit 42 and plunger 44 is manufactured separately and then to the Bridge 26 added.

Die den Flüssigkeitsbehälter 12 bildende Folie 13 ist im Bereich des erwähnten Behälterdurchbruchs mit einem Schubflansch 48 verbunden, welcher auf den in Fig. 2 linken zylindrischen Stutzenabschnitt 23 aufgeschoben und auf diesem festgeklemmt wird. Der Schubflansch 48 besteht aus einem Ringkörper 50 mit außen radial angeformten Ringflanschen 52; innere Ringnuten 54 des Ringkörpers 50 nehmen dabei äußere Ringwulste 56 des Stutzenbereichs 23 auf.The film 13 forming the liquid container 12 is in the Area of the mentioned container opening with a thrust flange 48 connected, which on the left in Fig. 2 cylindrical nozzle section 23 pushed on and on this is clamped. The thrust flange 48 consists of an annular body 50 with radially integrally formed annular flanges 52; take inner ring grooves 54 of the ring body 50 thereby outer annular beads 56 of the nozzle area 23.

Bei der Ausführung nach Fig. 4, 5 ist jene Lagerzunge 30 an dem jenem Rohrstutzen 38 nahen Umfangsbereich des Gehäusekörpers 18 angebracht; ein Benutzer drückt hier mit einem Daumen auf den Tastenkörper 18, während der zugehörige Zeigefinger die Lagerzunge 30 untergreift. Der Ventilteller 42 lagert hier in der gezeigten Ruhelage am Innenrand 39 des Rohrstutzens 38, wohingegen er sich bei der Ausführung nach Fig. 2, 3 am Außenrand 37 des Rohrstutzens 38 befindet. In beiden Fällen wird der Ventilteller 42 vom Stutzeninnenraum 41 abgehoben. 4, 5 that tongue 30 is on the circumferential area of the housing body close to that pipe socket 38 18 attached; a user pushes here with one Thumb on the key body 18 while the associated index finger engages under the bearing tongue 30. The valve plate 42 is stored here in the rest position shown on the inner edge 39 of the Pipe socket 38, whereas it is in execution after 2, 3 is located on the outer edge 37 of the pipe socket 38. In In both cases, the valve plate 42 is from the socket interior 41 lifted off.

Die Fig. 6, 7 zeigen verschiedene Verbindungsstellen zwischen dem Flüssigkeitsbehälter 12 bzw. dessen Folie 13, dem damit verbundenen Schubflansch 48 einerseits sowie dem Hahn 14 bzw. seinem Gehäusekörper 18 anderseits.6, 7 show different connection points between the liquid container 12 or its film 13, the associated thrust flange 48 on the one hand and the tap 14 or its housing body 18 on the other.

Am Tastenkörper 28 kann gemäß Fig. 8 ein strangartiges und flexibel ausgebildetes Fixierelement 60 -- beispielsweise ein in einer Kugel 62 als Rastkörper endender Kunststofffaden eingebracht sein; letzterer wird in Öffnungsstellung des Ventilelements 20 in einen Randschlitz 31 der Lagerzunge 30 eingelegt, wobei sich die Kugel 62 an der Außenfläche der Lagerzunge 30 abstützt und das Ventilelement 20 in Öffnungsstellung hält. Dies ist z.B. dann von Bedeutung, wenn der Flüssigkeitsbehälter 12 stufenlos entleert werden soll oder wenn er an ein Schlauchsystem mit dem integrierten Schließelement angeschlossen wird; für letztgenannten Fall kann in den Rohrstutzen 38a ein Außengewinde 64 eingeformt sein.8, a strand-like and flexibly designed fixing element 60 - for example a plastic thread ending in a ball 62 as a latching body - can be introduced on the key body 28; the latter is inserted into an edge slot 31 of the bearing tongue 30 in the open position of the valve element 20, the ball 62 being supported on the outer surface of the bearing tongue 30 and holding the valve element 20 in the open position. This is important, for example, if the liquid container 12 is to be emptied continuously or if it is connected to a hose system with the integrated closing element; for the latter case , an external thread 64 can be formed in the pipe socket 38 a .

Claims (14)

  1. withdrawal device for a liquid container (12), in particular for a container composed of flexible material in a substantially dimensionally stable outer container (10) surrounding it and through which the withdrawal device engages, wherein a tubular housing member (18) of the withdrawal device has a laterally provided outlet opening (41) sealable by a valve member and the valve member is connected by an elongated intermediate member (26) running in the closed position of the valve member approximately parallel to the longitudinal axis (A) of the housing member (18) to an operating element (28) arranged on the end face of the housing,
    characterized in that
    the tubular housing member (18) is sealed at one end by a membrane-like end disk (24) and in the latter the web-like intermediate member (26) passing through it is mounted which is provided at one end with the operating element (28) and from which at the other end a formed unit having a valve tappet (44) and a valve disk (42) assigned to the laterally provided outlet opening (41) and composed of more flexible plastic by comparison with the housing member (18) or the web-like intermediate member (26) emanates, wherein the intermediate member is constructed deflectably from the sealed position with temporary deformation of the end disk (24) relative to the outlet opening (41).
  2. Device according to Claim 1, characterized in that a section of the web-like intermediate member (26) running outside the housing member (18) forms a key member as the operating element (28).
  3. Device according to Claim 1 or 2, characterized in that the valve tappet (44) of the valve disk (42) is mounted on the web-like intermediate member (26) in the region of a point of articulation (46), wherein the housing member (18) is optionally moulded from polypropylene and/or the formed unit (20) composed of the valve disk (42) and valve tappet (44) is moulded from polyethylene.
  4. Device according to Claim 1 or 2, characterized in that moulded onto the back of the key member (28) is a limit stop member (29) which in the closed position stands at a distance from a bearing tongue (30) projecting out from the end face of the housing member (18) or like profile member, wherein the bearing tongue is preferably assigned to the perimeter region of the housing member diametrically opposite the outlet opening (41) or to the perimeter region of the housing member (18) adjoining the outlet opening (41) (Fig 2 or 4).
  5. Device according to Claim 1 or 4, characterized in that the valve disk (42) is assigned to a perimeter surrounding the outlet opening (41) or tubular nozzle (38, 38a) on the outside of the housing member (18).
  6. Device according to Claim 1 or 5, characterized in that the valve disk (42) is assigned to a perimeter surrounding the outlet opening (41) or tubular nozzle (38, 38a) on the inside of the housing member (18).
  7. Device according to one of Claims 2 to 6, characterized in that the key member (28) is joined at the front to at least one securing bracket (32) and the latter is connected at the other end to the housing member (18) and/or the end disk (24) thereof, wherein optionally a securing bracket (32) moulded on at one end to the key member (28) and at the other end to the end disk (24) by at least one moulding strip (34) in each case is provided.
  8. Device according to at least one of Claims 2 to 7, characterized in that joined onto the key member (28) and emanating from it is an at least partially flexible moulded strand having an endward catch member (62), wherein the moulded strand in the open position of the valve member (20) and inclined position of the web-like member (26) is insertable into a perimeter recess (31) in the bearing tongue (30) in such a way that the catch member fits against the outer surface of the bearing tongue.
  9. Device according to at least one of Claims 5 to 8, characterized in that the tubular nozzle (38, 38a) surrounding the outlet opening (41) runs inclined at an angle (w) to the longitudinal axis (A) of the housing member (18), wherein the angle is preferably approximately 75°.
  10. Device according to Claim 9, characterized in that the region of the perimeter of the housing member (18) extending between the tubular nozzle (38, 38a) and end disk (24) has a shorter radius (r1) than the cross-section region of the housing member.
  11. Device according to Claim 9 or 10, characterized in that the tubular nozzle (38a) is provided with an external thread (64).
  12. Device according to at least one of Claims 1 to 11, characterized in that projecting radially from the housing member (18) at a distance from the outlet opening (41) is a flange collar (36) as a limit stop member for an annular member (50) of a pushing flange (48) which can be pushed onto the housing member.
  13. Device according to Claim 12, characterized in that the pushing flange (48) and the housing member (18) are connected to one another in tightly locked manner by radially acting retention couplings (54, 56).
  14. Device according to Claim 12 or 13, characterized in that an endward annular flange (52) of the pushing flange (48) is rigidly connected to the liquid container (12) and bounds an opening.
EP99941642A 1998-08-21 1999-08-19 Dispensing device for a liquid container Expired - Lifetime EP1105342B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19837947 1998-08-21
DE19837947A DE19837947A1 (en) 1998-08-21 1998-08-21 Spigot for liquids contained in a bag in a box has a tubular housing with an end membrane closing disk and a knob to move the valve push rod to open the valve plate at the side opening
PCT/EP1999/006078 WO2000010908A1 (en) 1998-08-21 1999-08-19 Dispensing device for a liquid container

Publications (2)

Publication Number Publication Date
EP1105342A1 EP1105342A1 (en) 2001-06-13
EP1105342B1 true EP1105342B1 (en) 2002-06-05

Family

ID=7878240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99941642A Expired - Lifetime EP1105342B1 (en) 1998-08-21 1999-08-19 Dispensing device for a liquid container

Country Status (8)

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US (1) US6446845B1 (en)
EP (1) EP1105342B1 (en)
AU (1) AU743840B2 (en)
BR (1) BR9914292A (en)
CA (1) CA2340681C (en)
DE (2) DE19837947A1 (en)
ES (1) ES2178460T3 (en)
WO (1) WO2000010908A1 (en)

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Also Published As

Publication number Publication date
DE19837947A1 (en) 2000-02-24
CA2340681C (en) 2005-12-27
US6446845B1 (en) 2002-09-10
AU743840B2 (en) 2002-02-07
AU5517799A (en) 2000-03-14
ES2178460T3 (en) 2002-12-16
BR9914292A (en) 2001-06-19
EP1105342A1 (en) 2001-06-13
CA2340681A1 (en) 2000-03-02
WO2000010908A1 (en) 2000-03-02
DE59901656D1 (en) 2002-07-11

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