EP0787655A1 - Apparatus for emptying a sleeve-bag - Google Patents

Apparatus for emptying a sleeve-bag Download PDF

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Publication number
EP0787655A1
EP0787655A1 EP97100817A EP97100817A EP0787655A1 EP 0787655 A1 EP0787655 A1 EP 0787655A1 EP 97100817 A EP97100817 A EP 97100817A EP 97100817 A EP97100817 A EP 97100817A EP 0787655 A1 EP0787655 A1 EP 0787655A1
Authority
EP
European Patent Office
Prior art keywords
tubular bag
tip
transverse wall
recess
mandrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97100817A
Other languages
German (de)
French (fr)
Other versions
EP0787655B1 (en
EP0787655B2 (en
Inventor
Helmut Pauser
Gerd Brandhorst
Klaus Hammen
Wolf-Dietrich Dr. Herold
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.)
3M Deutschland GmbH
Original Assignee
Thera Patent GmbH and Co KG Gesellschaft fuer Industrielle Schutzrechte
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority claimed from DE29606895U external-priority patent/DE29606895U1/en
Application filed by Thera Patent GmbH and Co KG Gesellschaft fuer Industrielle Schutzrechte filed Critical Thera Patent GmbH and Co KG Gesellschaft fuer Industrielle Schutzrechte
Priority to DE29724380U priority Critical patent/DE29724380U1/en
Publication of EP0787655A1 publication Critical patent/EP0787655A1/en
Publication of EP0787655B1 publication Critical patent/EP0787655B1/en
Application granted granted Critical
Publication of EP0787655B2 publication Critical patent/EP0787655B2/en
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Classifications

    • 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
    • B05C17/00586—Means, generally located near the nozzle, for piercing or perforating the front part of a cartridge
    • 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
    • B05C17/00553—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 means allowing the stock of material to consist of at least two different components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
    • B65B69/0041—Unpacking of articles or materials, not otherwise provided for by cutting by puncturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/24—Hole-piercing devices
    • B67B7/26—Hole-piercing devices combined with spouts
    • B67B7/28—Hole-piercing devices combined with spouts and associated with receptacle hodlers

Definitions

  • a device for emptying a tubular bag containing a pasty mass with the features specified in the preamble of claim 1 is known from DE-U-9 103 038.
  • a knife inserted into the device with a surface running transversely to the radial direction of the tubular bag serves to break open the tubular bag.
  • pressure is exerted on its rear end, which continues through the bag contents and presses the front end of the tube against the oblique knife edge.
  • an existing crease at the front end of the tubular bag is cut through and the tubular bag is opened.
  • the known arrangement requires a relatively sharp knife edge, which can generally only be produced by a separate metal part inserted into the cap. This increases the cost of the device, which is generally designed as a disposable part.
  • the knife is also designed as a fixed element, it stands in the way of a complete piston advance for the complete emptying of the tubular bag.
  • the tubular bag is pierced by a mandrel which has to be manually inserted before being emptied through a dispensing nozzle provided on the cap and then pulled out again.
  • This handling is not only cumbersome and time-consuming, but also entails the risk that the contents of the container will leak prematurely and the environment will become dirty and / or in turn be contaminated in an impermissible manner with foreign substances.
  • the known device is unsuitable for use in mechanical spreading devices.
  • the invention has for its object to provide a device for emptying a tubular bag containing a pasty mass, which ensures safe opening and complete emptying.
  • the device should also be able to be used in machine-operated dispensing devices.
  • the solution to this problem according to the invention is characterized in claim 1.
  • the fact that the device used to break open the tubular bag has a tip facing the bag, which bursts the film that is overstretched when the discharge pressure is applied to the tubular bag, ensures a safe opening of the tubular bag even with difficult-to-handle films and pastes.
  • the further fact that the tip, when the tubular bag is emptied, does not protrude significantly beyond the transverse wall supporting the tubular bag, permits complete emptying.
  • the portion of the tubular bag film lying above a recess can deform into the recess until the most overstretched central region of the film reaches the tip of a mandrel arranged in the recess and thereby bursting.
  • the bursting of the overstretched film leads - which is favorable for unhindered removal of the contents of the bag - to a much larger opening than is achieved by simply piercing or cutting with a knife.
  • the embodiment of the invention according to claim 5 is favorable in view of the smallest possible axial length of the entire device.
  • the arrangement of claim 8 is useful in that it ensures that the most bulky and stretched portion of the tubular bag film is brought into contact with the mandrel tip.
  • cap base can be substantially flat, therefore it is a low-material component and still a complete emptying is guaranteed.
  • the tubular bag is opened from the tip of a tube which directs the emerging paste directly into the outlet opening of the cap.
  • the device shown in FIGS. 1a and 1b consists of a cap arrangement which comprises two cap parts 11 , 11 'which are integrally connected via a central part 10 .
  • Each cap part has a transverse wall 12 , 12 ' , a circular cylindrical flange 13 , 13' pointing from it to the rear (upwards in FIG. 1a) and a circular cylindrical trough 14 which is arranged in the middle and which projects outwards (downwards in FIG. 1a) , 14 ' on.
  • the front end of a correspondingly dimensioned tubular bag 15 , 15 ' is inserted into each cap part 11 , 11' and connected to the flange 13 , 13 ' .
  • the trough 14 , 14 ' serves to hold the front tubular bag tip, which is closed, for example, by a clip.
  • the unit thus produced consisting of a cap arrangement and two tubular bags filled with pasty masses by the manufacturer, is used for insertion into a device such as that disclosed in EP-A-0 492 413.
  • the tubular bags with their parts protruding from the cap arrangement are inserted into a double cylinder arrangement.
  • the two pastes can be applied in a mixing ratio that corresponds to the cross-sectional ratio of the two tubular bags.
  • each transverse wall 12 , 12 ' a recess 16 , 16' pointing forward (downward in FIG. 1a) is formed, at the bottom of which an outlet nipple 17 , 17 'is attached.
  • the recess 16 is circular cylindrical in cross section and centrally surrounds a mandrel 18 , the tip 19 of which is set back with respect to the plane of the transverse wall 12 .
  • the length of the mandrel 18 is preferably less than half the depth of the recess 16 .
  • the mandrel 18 is located next to the opening of the outlet nipple 17 .
  • the aforementioned circular cross-sectional shape of the recess 16 is a preferred exemplary embodiment.
  • bag content and number of mandrels 18 arranged in the depression other, for example oval, cross-sectional shapes may be expedient.
  • the recess 16 ' At the bottom of the recess 16 ' two mandrels 18' are formed, which stand on both sides of the opening of the outlet nipple 17 ' .
  • the tips 19 'of the mandrels 18' are also set back from the plane of the transverse wall 12 ' .
  • the depression 16 ' is approximately segment-shaped overall.
  • the application pressure causes the part of the tubular bag 15 , 15 ' located above the respective recess 16 , 16' to begin to bulge into the recess until it reaches the mandrel tip 19 , 19 ' and thereby bursts open.
  • the length of the mandrel 18 , 18 ' is dimensioned in relation to the depth of the recess 16 , 16' and taking into account the film material so that the mandrel tip 19 , 19 'is only touched when the film is sufficiently overstretched and, if possible, bursts open big opening forms. In this way it is achieved that the contents of the tubular bag can pour freely into the recess 16 , 16 ' and from there into the outlet nipple 17 , 17' .
  • the recess 16 , 16 ' forms with the surface of the transverse wall 12 , 12' a rounded edge which is as little rounded as possible and - insofar as there is no fear of damage to the film - essentially a sharp edge in order to prevent the tubular bag film from slipping.
  • the surface of the transverse wall 12 , 12 'which supports the tubular bag 15 , 15' can be roughened and / or the film can be coated with a slip-preventing agent or provided in some other way.
  • the mandrels 18 , 18 ' can also be so long that their tips 19 , 19' are flush with the plane of the relevant transverse wall 12 , 12 ' .
  • the device according to FIG. 2 differs from that according to FIGS. 1a and 1b in that the tip 29 , 29 ' scoring the tubular bag is formed at the end of a chamfered cylindrical tube 28 , 28' , the other end of which is coaxial into the relevant outlet nipple 27 , 27 ' protrudes and is integrally formed thereon via a predetermined breaking point 26 , 26 ' .
  • the force required to destroy the predetermined breaking point 26 , 26 ' taking into account the properties, in particular the toughness, the tubular bag films used and the properties, in particular the viscosity, of the tubular bag contents is to be dimensioned such that it is greater than the force required is to burst the tubular bag film through the tip 29 , 29 ' .
  • the tubular bags 25 , 25 ' - unlike shown in FIG. 1a - are provided with an inwardly drawn closure, so that the troughs 14 , 14' provided in the embodiment according to FIGS. 1a and 1b are unnecessary.
  • the opposite is true Design according to Figure 2 also possible in the embodiment according to Figures 1a and 1b.
  • the exemplary embodiment according to FIG. 3 largely corresponds to that according to FIG. 2, but in this case the tubes 38 , 38 'are not integrally formed on the cap parts 31 , 31' via predetermined breaking points, but rather are spring-loaded against the direction of emptying.
  • the bias comes from a spring 36 , 36 ' , which is supported on a projection 34 , 34' provided in the interior of the outlet nipple 37 , 37 ' .
  • the force of the spring 36 , 36 ' is to be dimensioned such that, when the dispensing pistons are pushed forward, the pressure exerted by the tube tip 39 , 39' on the tubular bag film is sufficient to scratch the tubular bag and cause it to burst.
  • the piston hits the relevant tube 38 , 38 ' and pushes it against the force of the spring 36 , 36' so far into the outlet nipple 37 , 37 ' that the tubular bag can be completely emptied.
  • the tip 49 , 49 ' acting on the tubular bag film is formed at the end of a lever 48 , 48' formed on the transverse wall 42 , 42 ' , which in its unstressed position is separated from the transverse wall 42 , 42 'runs diagonally upwards.
  • the tip 49 , 49 ' is located in or near the axis of the respective outlet nipple 47 , 47' .
  • the lever 48 ' in the right-hand cap part 41' in FIGS. 4a and 4b, which corresponds to the is provided with a thin outlet nipple 47 ' , the opening of which is blocked the lever 48' can be offset slightly laterally relative to the axis of the outlet nipple 47 ', contrary to the illustration in FIG. 4b.
  • the two tubular bags 45 , 45 ' are shown in FIG. 4a without special end closures. They can be designed as in FIG. 1a or in FIGS. 2 and 3, wherein the transverse walls 42 , 42 'can optionally be provided with trough-like shapes similar to FIG. 1a.
  • the cap arrangement is designed to accommodate two tubular bags at a time.
  • the invention is equally applicable to designs in which a cap arrangement is provided for three or more bags or each of several bags is provided with a separate cap or only a single bag with a cap is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bag Frames (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The rigid cap (11) has a rear cylindrical flange (13) for holding one end of the bag. The front of the bag (15) is supported by a transverse wall (12) with an outlet (17). Part of the sheeting of the bag is cut by a recess (16) starting from the transverse wall and connecting with the outlet. The recess contains at least one pin (18) whose point (19) facing the bag is set back into the recess in relation to the surface of the transverse wall supporting the bag. The height of the pin is less than half the depth of the recess. The recess with a transverse wall forms a sharp edge.

Description

Eine Vorrichtung zum Entleeren eines eine pastöse Masse enthaltenden Schlauchbeutels mit den im Oberbegriff des Anspruchs 1 angegebenen Merkmalen ist aus DE-U-9 103 038 bekannt. Zum Aufbrechen des Schlauchbeutels dient dort ein in die Vorrichtung eingesetztes Messer mit einer quer zur Radialrichtung des Schlauchbeutels verlaufenden Fläche. Zum Entleeren des Schlauchbeutels wird auf dessen hinteres Ende Druck ausgeübt, der sich durch den Beutelinhalt fortsetzt und das vordere Schlauchende gegen die schräge Messerschneide drückt. Dadurch wird eine am vorderen Schlauchbeutelende vorhandene, von der Mitte nach außen verlaufende Falte durchschnitten und der Schlauchbeutel geöffnet.A device for emptying a tubular bag containing a pasty mass with the features specified in the preamble of claim 1 is known from DE-U-9 103 038. A knife inserted into the device with a surface running transversely to the radial direction of the tubular bag serves to break open the tubular bag. To empty the tubular bag, pressure is exerted on its rear end, which continues through the bag contents and presses the front end of the tube against the oblique knife edge. As a result, an existing crease at the front end of the tubular bag is cut through and the tubular bag is opened.

Zur ordnungsgemäßen Erfüllung ihrer Funktion bei den in der Praxis verwendeten Schlauchbeutelmaterialien benötigt die bekannte Anordnung eine verhältnismäßig scharfe Messerschneide, die sich in der Regel nur durch ein separates, in die Kappe eingesetztes Metallteil erzeugen läßt. Dies erhöht die Kosten der in der Regel als Einwegteil ausgebildeten Vorrichtung.For the proper fulfillment of their function in the tubular bag materials used in practice, the known arrangement requires a relatively sharp knife edge, which can generally only be produced by a separate metal part inserted into the cap. This increases the cost of the device, which is generally designed as a disposable part.

Ist ferner das Messer als feststehendes Element ausgebildet, so steht es einem vollständigen Kolbenvorschub zum restlosen Entleeren des Schlauchbeutels im Wege.If the knife is also designed as a fixed element, it stands in the way of a complete piston advance for the complete emptying of the tubular bag.

Bei einer weiteren, aus DE-A-3 826 887 bekannten Vorrichtung wird der Schlauchbeutel durch einen Dorn aufgestochen, der vor dem Entleeren durch einen an der Kappe vorgesehenen Ausbringstutzen manuell eingeführt und anschließend wieder herausgezogen werden muß. Diese Handhabung ist nicht nur umständlich und zeitaufwendig, sondern birgt auch die Gefahr in sich, daß der Behälterinhalt vorzeitig austritt und die Umgebung verschmutzt und/oder seinerseits in unzulässiger Weise mit Fremdsubstanzen kontaminiert wird. Außerdem ist die bekannte Vorrichtung zum Einsatz bei maschinellen Ausbringvorrichtungen ungeeignet.In a further device known from DE-A-3 826 887, the tubular bag is pierced by a mandrel which has to be manually inserted before being emptied through a dispensing nozzle provided on the cap and then pulled out again. This handling is not only cumbersome and time-consuming, but also entails the risk that the contents of the container will leak prematurely and the environment will become dirty and / or in turn be contaminated in an impermissible manner with foreign substances. In addition, the known device is unsuitable for use in mechanical spreading devices.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Entleeren eines eine pastöse Masse enthaltenden Schlauchbeutels anzugeben, die ein sicheres Öffnen und restloses Entleeren gewährleistet. Außerdem soll die Vorrichtung auch bei maschinell betriebenen Ausbringvorrichtungen einsetzbar sein.The invention has for its object to provide a device for emptying a tubular bag containing a pasty mass, which ensures safe opening and complete emptying. In addition, the device should also be able to be used in machine-operated dispensing devices.

Die erfindungsgemäße Lösung dieser Aufgabe ist im Anspruch 1 gekennzeichnet. Dadurch, daß die zum Aufbrechen des Schlauchbeutels dienende Einrichtung eine dem Beutel zugewandte Spitze aufweist, die die bei beim Aufbringen des Entleerungsdrucks auf den Schlauchbeutel überdehnte Folie zum Platzen bringt, wird ein sicheres Öffnen des Schlauchbeutels auch bei schwierig zu handhabenden Folien und Pasten gewährleistet. Die weitere Tatsache, daß die Spitze im entleerten Zustand des Schlauchbeutels über die den Schlauchbeutel abstützende Querwand nicht wesentlich hinausragt, gestattet eine restlose Entleerung.The solution to this problem according to the invention is characterized in claim 1. The fact that the device used to break open the tubular bag has a tip facing the bag, which bursts the film that is overstretched when the discharge pressure is applied to the tubular bag, ensures a safe opening of the tubular bag even with difficult-to-handle films and pastes. The further fact that the tip, when the tubular bag is emptied, does not protrude significantly beyond the transverse wall supporting the tubular bag, permits complete emptying.

Die Ausgestaltung der Erfindung nach den Ansprüchen 2 und 3 ist in der Funktionsweise effizient und gleichzeitig in der Herstellung unaufwendig.The embodiment of the invention according to claims 2 and 3 is efficient in operation and at the same time inexpensive to manufacture.

Bei der Ausbildung nach Anspruch 4 kann sich beim Aufbringen von Druck auf das hintere Schlauchbeutelende der über einer Vertiefung gelegene Teil der Schlauchbeutelfolie in die Vertiefung hinein verformen, bis der dabei am stärksten überdehnte mittlere Bereich der Folie die Spitze eines in der Vertiefung angeordneten Dorns erreicht und dadurch zum Platzen gebracht wird. Das Aufplatzen der überdehnten Folie führt - was für ein ungehindertes Ausbringen des Beutelinhalts günstig ist - zu einer wesentlich größeren Öffnung als sie durch bloßes Aufstechen oder durch Schneiden mit einem Messer erreicht wird.In the embodiment according to claim 4, when pressure is applied to the rear end of the tubular bag, the portion of the tubular bag film lying above a recess can deform into the recess until the most overstretched central region of the film reaches the tip of a mandrel arranged in the recess and thereby bursting. The bursting of the overstretched film leads - which is favorable for unhindered removal of the contents of the bag - to a much larger opening than is achieved by simply piercing or cutting with a knife.

Die Tatsache, daß die Dornspitze im entleerten Zustand des Schlauchbeutels gegenüber der den Schlauchbeutel stützenden Querwand zurückversetzt ist, gestattet auch eine restlose Entleerung, da der Dorn dem Ausbringkolben nicht im Weg steht. Gleichzeitig liegt in dieser Gestaltung ein Transportschutz, da ohne den zum Öffnen erforderlichen Mindestdruck der Schlauchbeutel die Dornspitze nicht erreichen kann.The fact that the mandrel tip is set back in relation to the transverse wall supporting the tubular bag when the tubular bag is emptied also permits complete emptying, since the mandrel is not in the way of the dispensing piston. At the same time, this design provides transport protection, since the tubular bag cannot reach the mandrel tip without the minimum pressure required to open it.

Die Ausgestaltung der Erfindung nach Anspruch 5 ist im Hinblick auf eine möglichst geringe axiale Länge der gesamten Vorrichtung günstig.The embodiment of the invention according to claim 5 is favorable in view of the smallest possible axial length of the entire device.

Die Weiterbildungen der Erfindung nach den Ansprüchen 6 und 7 sollen verhindern, daß die Schlauchbeutelfolie bei ihrer Ausdehnung in die Vertiefung nachrutscht und dadurch möglicherweise nicht ausreichend überdehnt wird, um bei Berührung mit der Dornspitze aufzuplatzen.The developments of the invention according to claims 6 and 7 are intended to prevent the tubular bag film from slipping into the recess as it expands and may therefore not be overstretched in order to burst open when it comes into contact with the mandrel tip.

Die Anordnung nach Anspruch 8 ist insofern zweckmäßig, als sie dafür sorgt, daß der am stärksten ausgewölbte und gedehnte Teil der Schlauchbeutelfolie in Berührung mit der Dornspitze gebracht wird.The arrangement of claim 8 is useful in that it ensures that the most bulky and stretched portion of the tubular bag film is brought into contact with the mandrel tip.

Die Weiterbildungen der Erfindung nach den Ansprüchen 9 bis 15 zeichnen sich dadurch aus, daß der Kappenboden im wesentlichen flach sein kann, daher ein materialarmes Bauteil darstellt und trotzdem eine restlose Entleerung gewährleistet ist.The developments of the invention according to claims 9 to 15 are characterized in that the cap base can be substantially flat, therefore it is a low-material component and still a complete emptying is guaranteed.

Bei der Ausgestaltung nach den Ansprüchen 10 bis 13 wird der Schlauchbeutel von der Spitze eines Röhrchens geöffnet, das die austretende Paste unmittelbar in die Austrittsöffnung der Kappe leitet.In the embodiment according to claims 10 to 13, the tubular bag is opened from the tip of a tube which directs the emerging paste directly into the outlet opening of the cap.

Die Gestaltung nach den Ansprüchen 2, 12 und 15 hat den Vorteil, daß die gesamte Vorrichtung als einstückiges Bauteil herstellbar ist.The design according to claims 2, 12 and 15 has the advantage that the entire device can be manufactured as a one-piece component.

Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnungen näher erläutert. Darin zeigen:

  • Figur 1a und 1b einen Axialschnitt bzw. eine Stirnansicht eines ersten Ausführungsbeispiels einer Vorrichtung zum Entleeren eines Schlauchbeutels,
  • Figur 2 und 3 Axialschnitte durch ein zweites bzw. ein drittes Ausführungsbeispiel, und
  • Figur 4a und 4b einen Axialschnitt bzw. eine Stirnansicht eines vierten Ausführungsbeispiels.
Embodiments of the invention are explained below with reference to the drawings. In it show:
  • 1a and 1b show an axial section or an end view of a first exemplary embodiment of a device for emptying a tubular bag,
  • Figures 2 and 3 axial sections through a second and a third embodiment, and
  • 4a and 4b show an axial section and an end view of a fourth exemplary embodiment.

Die in Figur 1a und 1b dargestellte Vorrichtung besteht aus einer Kappenanordnung, die zwei über ein Mittelteil 10 einstückig verbundene Kappenteile 11, 11' umfaßt. Jedes Kappenteil weist eine Querwand 12, 12', einen von dieser nach hinten (in Figur 1a nach oben) weisenden kreiszylindrischen Flansch 13, 13' und eine jeweils in der Mitte angeordnete, nach vorne (in Figur 1a nach unten) herausragende kreiszylindrische Wanne 14, 14' auf. In jedes Kappenteil 11, 11' ist das vordere Ende eines entsprechend dimensionierten Schlauchbeutels 15, 15' eingesetzt und mit dem Flansch 13, 13' verbunden. Die Wanne 14, 14' dient zur Aufnahme des vorderen, etwa durch einen Clip verschlossenen Schlauchbeutelzipfels.The device shown in FIGS. 1a and 1b consists of a cap arrangement which comprises two cap parts 11 , 11 'which are integrally connected via a central part 10 . Each cap part has a transverse wall 12 , 12 ' , a circular cylindrical flange 13 , 13' pointing from it to the rear (upwards in FIG. 1a) and a circular cylindrical trough 14 which is arranged in the middle and which projects outwards (downwards in FIG. 1a) , 14 ' on. The front end of a correspondingly dimensioned tubular bag 15 , 15 'is inserted into each cap part 11 , 11' and connected to the flange 13 , 13 ' . The trough 14 , 14 ' serves to hold the front tubular bag tip, which is closed, for example, by a clip.

Die so fertiggestellte Einheit aus Kappenanordnung und zwei vom Hersteller mit pastösen Massen gefüllten Schlauchbeuteln dient zum Einsetzen in eine Vorrichtung, wie sie etwa in EP-A-0 492 413 offenbart ist. Die Schlauchbeutel werden dabei mit ihren aus der Kappenanordnung herausragenden Teilen in eine Doppelzylinder-Anordnung eingeführt. Durch gemeinsamen maschinellen Vorschub von Kolben lassen sich die beiden Pasten in einem dem Querschnittsverhältnis der beiden Schlauchbeutel entsprechenden Mischungsverhältnis ausbringen.The unit thus produced, consisting of a cap arrangement and two tubular bags filled with pasty masses by the manufacturer, is used for insertion into a device such as that disclosed in EP-A-0 492 413. The tubular bags with their parts protruding from the cap arrangement are inserted into a double cylinder arrangement. By mechanically feeding pistons together, the two pastes can be applied in a mixing ratio that corresponds to the cross-sectional ratio of the two tubular bags.

In jeder Querwand 12, 12' ist eine nach vorne (in Figur 1a nach unten) weisende Vertiefung 16, 16' ausgebildet, an deren Boden ein Austrittsnippel 17, 17' ansetzt.In each transverse wall 12 , 12 ' , a recess 16 , 16' pointing forward (downward in FIG. 1a) is formed, at the bottom of which an outlet nipple 17 , 17 'is attached.

Die Vertiefung 16 ist im Querschnitt kreiszylindrisch und umgibt zentrisch einen Dorn 18, dessen Spitze 19 gegenüber der Ebene der Querwand 12 zurückgesetzt ist. Vorzugsweise beträgt die Länge des Dorns 18 weniger als die Hälfte der Tiefe der Vertiefung 16. Der Dorn 18 befindet sich neben der Öffnung des Austrittsnippels 17.The recess 16 is circular cylindrical in cross section and centrally surrounds a mandrel 18 , the tip 19 of which is set back with respect to the plane of the transverse wall 12 . The length of the mandrel 18 is preferably less than half the depth of the recess 16 . The mandrel 18 is located next to the opening of the outlet nipple 17 .

Bei der genannten kreisrunden Querschnittsform der Vertiefung 16 handelt es sich um ein bevorzugtes Ausführungsbeispiel. Je nach Folienmaterial, Beutelinhalt und Anzahl der in der Vertiefung angeordneten Dorne 18 können andere, z.B. ovale, Querschnittsformen zweckmäßig sein.The aforementioned circular cross-sectional shape of the recess 16 is a preferred exemplary embodiment. Depending on the film material, bag content and number of mandrels 18 arranged in the depression, other, for example oval, cross-sectional shapes may be expedient.

Am Boden der Vertiefung 16' sind zwei Dorne 18' angeformt, die auf beiden Seiten der Öffnung des Austrittsnippels 17' stehen. Auch die Spitzen 19' der Dorne 18' sind gegenüber der Ebene der Querwand 12' zurückgesetzt. Die Vertiefung 16' ist, wie aus Figur 2 hervorgeht, insgesamt etwa segmentförmig.At the bottom of the recess 16 ' two mandrels 18' are formed, which stand on both sides of the opening of the outlet nipple 17 ' . The tips 19 'of the mandrels 18' are also set back from the plane of the transverse wall 12 ' . As can be seen from FIG. 2, the depression 16 ' is approximately segment-shaped overall.

Beim ersten Vorschieben der oben erwähnten Kolben bewirkt der Ausbringdruck, daß sich der über der jeweiligen Vertiefung 16, 16' gelegene Teil des Schlauchbeutels 15, 15' in die Vertiefung hinein auszuwölben beginnt, bis er die Dornspitze 19, 19' erreicht und dadurch aufplatzt. Die Länge des Dorns 18, 18' ist im Verhältnis zur Tiefe der Vertiefung 16, 16' und unter Berücksichtigung des Folienmaterials so bemessen, daß die Dornspitze 19, 19' erst berührt wird, wenn die Folie ausreichend stark überdehnt ist und beim Aufplatzen eine möglichst große Öffnung bildet. Auf diese Weise wird erreicht, daß sich der Schlauchbeutelinhalt ungehindert in die Vertiefung 16, 16' und von dort in den Austrittsnippel 17, 17' ergießen kann.When the above-mentioned pistons are advanced for the first time, the application pressure causes the part of the tubular bag 15 , 15 ' located above the respective recess 16 , 16' to begin to bulge into the recess until it reaches the mandrel tip 19 , 19 ' and thereby bursts open. The length of the mandrel 18 , 18 ' is dimensioned in relation to the depth of the recess 16 , 16' and taking into account the film material so that the mandrel tip 19 , 19 'is only touched when the film is sufficiently overstretched and, if possible, bursts open big opening forms. In this way it is achieved that the contents of the tubular bag can pour freely into the recess 16 , 16 ' and from there into the outlet nipple 17 , 17' .

Die Vertiefung 16, 16' bildet mit der Fläche der Querwand 12, 12' eine möglichst wenig verrundete und - soweit nicht eine Beschädigung der Folie zu befürchten ist - im wesentlichen scharfe Kante, um ein Nachrutschen der Schlauchbeutelfolie zu behindern. Zu dem gleichen Zweck kann die den Schlauchbeutel 15, 15' stützende Oberfläche der Querwand 12, 12' gerauht und/oder die Folie mit ein Rutschen behindernden Mitteln beschichtet oder in sonstiger Weise versehen sein.The recess 16 , 16 ' forms with the surface of the transverse wall 12 , 12' a rounded edge which is as little rounded as possible and - insofar as there is no fear of damage to the film - essentially a sharp edge in order to prevent the tubular bag film from slipping. For the same purpose, the surface of the transverse wall 12 , 12 'which supports the tubular bag 15 , 15' can be roughened and / or the film can be coated with a slip-preventing agent or provided in some other way.

In einer (in den Zeichnungen nicht dargestellten) Alternative können die Dorne 18, 18' auch so lang sein, daß ihre Spitzen 19, 19' mit der Ebene der betreffenden Querwand 12, 12' fluchten.In an alternative (not shown in the drawings), the mandrels 18 , 18 'can also be so long that their tips 19 , 19' are flush with the plane of the relevant transverse wall 12 , 12 ' .

Die Vorrichtung nach Figur 2 unterscheidet sich von der nach Figur 1a und 1b dadurch, daß die den Schlauchbeutel ritzende Spitze 29, 29' am Ende eines abgeschrägten zylindrischen Röhrchens 28, 28' ausgebildet ist, der mit seinem anderen Ende koaxial in den betreffenden Austrittsnippel 27, 27' hineinragt und an diesen über eine Sollbruchstelle 26, 26' einstückig angeformt ist.The device according to FIG. 2 differs from that according to FIGS. 1a and 1b in that the tip 29 , 29 ' scoring the tubular bag is formed at the end of a chamfered cylindrical tube 28 , 28' , the other end of which is coaxial into the relevant outlet nipple 27 , 27 ' protrudes and is integrally formed thereon via a predetermined breaking point 26 , 26 ' .

Beim Herstellen und Füllen der Schlauchbeutel 25, 25' wird darauf geachtet, daß diese im Bereich des jeweiligen Röhrchens 28, 28' locker liegen und die jeweilige Spitze 29, 29' nicht oder nur mit vernachlässigbarem Druck an der Schlauchbeutelfolie anliegt. Beim Vorschieben der Ausbringkolben erhöht sich dieser Druck, bis die Spitze den Schlauchbeutel ritzt und zum Platzen bringt. Der Schlauchbeutelinhalt kann sich dann über das die Spitze 29, 29' bildende Röhrchen 28, 28' unmittelbar in den Austrittsnippel 27, 27' ergießen.When manufacturing and filling the tubular bags 25 , 25 ' , care is taken to ensure that they lie loosely in the area of the respective tube 28 , 28' and that the respective tip 29 , 29 ' does not rest on the tubular bag film or only with negligible pressure. When the delivery pistons are pushed forward, this pressure increases until the tip scratches the tubular bag and causes it to burst. The contents of the tubular bag can then pour directly into the outlet nipple 27 , 27 ' via the tube 28 , 28' forming the tip 29 , 29 ' .

Erreicht der Ausbringkolben die betreffende Spitze 29, 29', so führt die weitere Vorschubbewegung dazu, daß die Sollbruchstelle 26, 26' bricht und das Röhrchen 28, 28' nun in den Austrittsnippel 27, 27' geschoben wird. Auf diese Weise ist eine restlose Entleerung des Schlauchbeutels sichergestellt.When the discharge piston reaches the tip 29 , 29 'concerned , the further feed movement leads to the breaking point 26 , 26' breaking and the tube 28 , 28 ' now being pushed into the outlet nipple 27 , 27' . In this way, complete emptying of the tubular bag is ensured.

Die zur Zerstörung der Sollbruchstelle 26, 26' erforderliche Kraft ist unter Berücksichtigung der Eigenschaften, insbesondere der Zähigkeit, der zur Verwendung kommenden Schlauchbeutelfolien und der Eigenschaften, insbesondere der Viskosität, der Schlauchbeutelinhalte so zu bemessen, daß sie größer ist als diejenige Kraft, die nötig ist, um die Schlauchbeutelfolie durch die Spitze 29, 29' zum Platzen zu bringen.The force required to destroy the predetermined breaking point 26 , 26 ' , taking into account the properties, in particular the toughness, the tubular bag films used and the properties, in particular the viscosity, of the tubular bag contents is to be dimensioned such that it is greater than the force required is to burst the tubular bag film through the tip 29 , 29 ' .

In der Ausführungsform nach Figur 2 sind die Schlauchbeutel 25, 25' - anders als in Figur 1a gezeigt - mit einem nach innen eingezogenen Verschluß versehen, so daß sich die bei der Ausführungsform nach Figur 1a und 1b vorgesehenen Wannen 14, 14' erübrigen. Dies führt zu einer einfacheren Gestaltung der Querwände 22, 22', kann aber vom Gesichtspunkt der restlosen Schlauchbeutel-Entleerung weniger günstig sein. Daher kann die bei dem ersten Ausführungsbeispiel angewandte wannenartige Gestaltung der Querwände auch bei der Ausführungsform nach Figur 2 angewandt werden. Umgekehrt ist die Gestaltung nach Figur 2 auch bei der Ausführungsform nach Figur 1a und 1b möglich.In the embodiment according to FIG. 2, the tubular bags 25 , 25 ' - unlike shown in FIG. 1a - are provided with an inwardly drawn closure, so that the troughs 14 , 14' provided in the embodiment according to FIGS. 1a and 1b are unnecessary. This leads to a simpler design of the transverse walls 22 , 22 ' , but can be less favorable from the point of view of the complete tubular bag emptying. Therefore, the trough-like design of the transverse walls used in the first exemplary embodiment can also be used in the embodiment according to FIG. 2. The opposite is true Design according to Figure 2 also possible in the embodiment according to Figures 1a and 1b.

Das Ausführungsbeispiel nach Figur 3 stimmt mit dem nach Figur 2 weitgehend überein, jedoch sind die Röhrchen 38, 38' in diesem Fall an die Kappenteile 31, 31' nicht über Sollbruchstellen angeformt, sondern entgegen der Entleerungsrichtung federnd vorgespannt. Die Vorspannung stammt jeweils aus einer Feder 36, 36', die sich an einem im Innern des Austrittsnippels 37, 37' vorgesehenen Vorsprung 34, 34' abstützt.The exemplary embodiment according to FIG. 3 largely corresponds to that according to FIG. 2, but in this case the tubes 38 , 38 'are not integrally formed on the cap parts 31 , 31' via predetermined breaking points, but rather are spring-loaded against the direction of emptying. The bias comes from a spring 36 , 36 ' , which is supported on a projection 34 , 34' provided in the interior of the outlet nipple 37 , 37 ' .

Wiederum ist die Kraft der Feder 36, 36' so zu bemessen, daß beim Vorschieben der Ausbringkolben der von der Röhrchenspitze 39, 39' auf die Schlauchbeutelfolie ausgeübte Druck ausreicht, um den Schlauchbeutel zu ritzen und zum Platzen zu bringen.Again, the force of the spring 36 , 36 ' is to be dimensioned such that, when the dispensing pistons are pushed forward, the pressure exerted by the tube tip 39 , 39' on the tubular bag film is sufficient to scratch the tubular bag and cause it to burst.

In der letzten Entleerungsphase trifft der Kolben unmittelbar auf das betreffende Röhrchen 38, 38' und schiebt dieses gegen die Kraft der Feder 36, 36' so weit in den Austrittsnippel 37, 37', daß der Schlauchbeutel restlos entleert werden kann.In the last emptying phase, the piston hits the relevant tube 38 , 38 ' and pushes it against the force of the spring 36 , 36' so far into the outlet nipple 37 , 37 ' that the tubular bag can be completely emptied.

Bei der Ausführungsform der Erfindung nach Figur 4a und 4b ist die auf die Schlauchbeutelfolie einwirkende Spitze 49, 49' am Ende eines an der Querwand 42, 42' angeformten Hebels 48, 48' ausgebildet, der in seiner unbeanspruchten Lage von der Querwand 42, 42' schräg nach oben verläuft. Die Spitze 49, 49' befindet sich dabei in oder nahe der Achse des jeweiligen Austrittsnippels 47, 47'.In the embodiment of the invention according to FIGS. 4a and 4b, the tip 49 , 49 ' acting on the tubular bag film is formed at the end of a lever 48 , 48' formed on the transverse wall 42 , 42 ' , which in its unstressed position is separated from the transverse wall 42 , 42 'runs diagonally upwards. The tip 49 , 49 ' is located in or near the axis of the respective outlet nipple 47 , 47' .

Beim Vorschieben der Ausbringkolben wird der jeweilige Schlauchbeutel 45, 45' gegen die Spitze 49, 49' gedrückt, so daß diese wiederum die Schlauchbeutelfolie ritzt und zum Platzen bringt. Spätestens beim vollständigen Vorschieben der Ausbringkolben legt sich der Hebel 48, 48' im wesentlichen flach auf die Querwand 42, 42', so daß er einem restlosen Entleeren des Schlauchbeutels nicht im Wege steht.When the dispensing pistons are pushed forward, the respective tubular bag 45 , 45 'is pressed against the tip 49 , 49' , so that this in turn scratches the tubular bag film and causes it to burst. At the latest when the dispensing pistons are pushed all the way forward, the lever 48 , 48 ' lies essentially flat on the transverse wall 42 , 42' , so that it does not stand in the way of completely emptying the tubular bag.

Um zu verhindern, daß der Hebel 48' in dem in Figur 4a und 4b rechten Kappenteil 41', der mit dem verhältnismäßig dünnen Austrittsnippel 47' versehen ist, dessen Öffnung versperrt, kann der Hebel 48' entgegen der Darstellung in Figur 4b gegenüber der Achse des Austrittsnippels 47' geringfügig seitlich versetzt sein.In order to prevent the lever 48 ' in the right-hand cap part 41' in FIGS. 4a and 4b, which corresponds to the is provided with a thin outlet nipple 47 ' , the opening of which is blocked, the lever 48' can be offset slightly laterally relative to the axis of the outlet nipple 47 ', contrary to the illustration in FIG. 4b.

In Figur 4a sind die beiden Schlauchbeutel 45, 45' ohne besondere Endverschlüsse dargestellt. Sie können wie in Figur 1a oder in Figur 2 und 3 gestaltet sein, wobei die Querwände 42, 42' gegebenenfalls mit wannenartigen Ausformungen ähnlich Figur 1a versehen sein können.The two tubular bags 45 , 45 ' are shown in FIG. 4a without special end closures. They can be designed as in FIG. 1a or in FIGS. 2 and 3, wherein the transverse walls 42 , 42 'can optionally be provided with trough-like shapes similar to FIG. 1a.

In den oben beschriebenen Ausführungsbeispielen ist die Kappenanordnung zur gemeinsamen Aufnahme jeweils zweier Schlauchbeutel gestaltet. Die Erfindung ist in gleicher Weise auch bei Gestaltungen anwendbar, bei denen eine Kappenanordnung für drei oder mehr Beutel vorgesehen oder jeder von mehreren Beuteln mit einer getrennten Kappe versehen oder nur ein einziger Beutel mit Kappe vorhanden ist.In the exemplary embodiments described above, the cap arrangement is designed to accommodate two tubular bags at a time. The invention is equally applicable to designs in which a cap arrangement is provided for three or more bags or each of several bags is provided with a separate cap or only a single bag with a cap is provided.

Claims (15)

Vorrichtung zum Entleeren eines eine pastöse Masse enthaltenden Schlauchbeutels (15, 25, 35, 45) mit einer im wesentlichen starren Kappe (11, 21, 31, 41), die einen hinteren zylindrischen Flansch (13, 23, 33, 43) zur Aufnahme eines Schlauchbeutelendes, eine den Schlauchbeutel nach vorne abstützende Querwand (12, 22, 32, 42) mit einer Austrittsöffnung (17, 27, 37, 47) und eine an dieser angeordneten Anordnung zum Aufbrechen eines Teils der Schlauchbeutelfolie aufweist,
   dadurch gekennzeichnet, daß die Aufbrecheinrichtung eine dem Schlauchbeutel zugewandte Spitze (19, 29, 39, 49) aufweist, die die beim Aufbringen des Entleerungsdrucks auf den Schlauchbeutel (15, 25, 35, 45) überdehnte Folie zum Platzen bringt und im entleerten Zustand des Schlauchbeutels über die Querwand (12, 22, 32, 42) nicht wesentlich hinausragt.Device for emptying a tubular bag ( 15 , 25 , 35 , 45 ) containing a pasty mass with an essentially rigid cap ( 11 , 21 , 31 , 41 ) which has a rear cylindrical flange ( 13 , 23 , 33 , 43 ) for receiving one tubular bag end, has a transverse wall ( 12 , 22 , 32 , 42 ) supporting the tubular bag to the front with an outlet opening ( 17 , 27 , 37 , 47 ) and an arrangement arranged thereon for breaking open a part of the tubular bag film,
characterized in that the break-open device has a tip facing the tubular bag ( 19 , 29 , 39 , 49 ) which bursts the film which is overstretched when the discharge pressure is applied to the tubular bag ( 15 , 25 , 35 , 45 ) and in the emptied state of the The tubular bag does not protrude significantly beyond the transverse wall ( 12 , 22 , 32 , 42 ). Vorrichtung nach Anspruch 1, wobei die Spitze an einem in Axialrichtung des Schlauchbeutels (15) weisenden Dorn (18) ausgebildet ist.Apparatus according to claim 1, wherein the tip is formed on a mandrel ( 18 ) pointing in the axial direction of the tubular bag ( 15 ). Vorrichtung nach Anspruch 2, wobei der Dorn (18) in einer in der Querwand (12) vorgesehenen, die Ausbringöffnung (17) umgebenden zylindrischen Vertiefung (16) angeordnet ist.Apparatus according to claim 2, wherein the mandrel ( 18 ) is arranged in a cylindrical recess ( 16 ) provided in the transverse wall ( 12 ) and surrounding the discharge opening ( 17 ). Vorrichtung nach Anspruch 3, wobei die Dornspitze (19) gegenüber der den Schlauchbeutel (15) stützenden Fläche der Querwand (12) in die Vertiefung (16) zurückversetzt ist.Apparatus according to claim 3, wherein the mandrel tip ( 19 ) is set back into the recess ( 16 ) opposite the surface of the transverse wall ( 12 ) which supports the tubular bag ( 15 ). Vorrichtung nach Anspruch 4, wobei die Höhe des Dorns (18) weniger als die Hälfte der Tiefe der Vertiefung (16) beträgt.The device of claim 4, wherein the height of the mandrel ( 18 ) is less than half the depth of the recess ( 16 ). Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Vertiefung (16) mit der Querwand (12) eine im wesentlichen scharfe Kante bildet.Device according to one of the preceding claims, wherein the recess ( 16 ) forms a substantially sharp edge with the transverse wall ( 12 ). Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Schlauchbeutelfolie und/oder die den Schlauchbeutel (15) stützende Fläche der Querwand (12) mit ein Gleiten behindernden Mitteln versehen ist.Device according to one of the preceding claims, wherein the tubular bag film and / or the surface of the transverse wall ( 12 ) supporting the tubular bag ( 15 ) is provided with means preventing sliding. Vorrichtung nach einem der Ansprüche 3 bis 7, wobei die Vertiefung (16) einen die Dornspitze (19) im wesentlichen vollständig umgebenden, im wesentlichen kreisförmigen Querschnitt hat.Device according to one of claims 3 to 7, wherein the recess ( 16 ) has a substantially circular cross-section substantially completely surrounding the mandrel tip ( 19 ). Vorrichtung nach Anspruch 2 oder 3, wobei der Dorn (18) gegenüber der Kappe (11) entgegen der Ausbringrichtung federnd vorgespannt ist.Apparatus according to claim 2 or 3, wherein the mandrel ( 18 ) is resiliently biased against the cap ( 11 ) against the direction of discharge. Vorrichtung nach Anspruch 1, wobei die Spitze (29, 39) vom abgeschrägten Ende eines zur Austrittsöffnung (27, 37) koaxialen zylindrischen Röhrchens (28, 38) gebildet ist, das über die Ebene der Querwand (22, 32) hinaus nach hinten ragt.Apparatus according to claim 1, wherein the tip ( 29 , 39 ) is formed by the beveled end of a cylindrical tube ( 28 , 38 ) coaxial with the outlet opening ( 27 , 37 ) and projecting rearward beyond the plane of the transverse wall ( 22 , 32 ) . Vorrichtung nach Anspruch 10, wobei das Röhrchen (28, 38) durch Druck so weit axial verschiebbar ist, daß seine Spitze (29, 39) im wesentlichen mit der Ebene der Querwand (22, 32) fluchtet.Apparatus according to claim 10, wherein the tube ( 28 , 38 ) is axially displaceable by pressure so far that its tip ( 29 , 39 ) is substantially flush with the plane of the transverse wall ( 22 , 32 ). Vorrichtung nach Anspruch 11, wobei das Röhrchen (28) an einer Sollbruchstelle (26) einstückig an die Kappe (21) angeformt ist.Apparatus according to claim 11, wherein the tube ( 28 ) is integrally formed on the cap ( 21 ) at a predetermined breaking point ( 26 ). Vorrichtung nach Anspruch 11, wobei das Röhrchen (38) gegenüber der Kappe (31) entgegen der Ausbringrichtung federnd vorgespannt ist.Apparatus according to claim 11, wherein the tube ( 38 ) is resiliently biased against the cap ( 31 ) against the direction of discharge. Vorrichtung nach Anspruch 9 oder 13, wobei die Federkraft derartige bemessen ist, daß die Spitze (19, 39) bei Aufbringen des Entleerungsdrucks die Schlauchbeutelfolie ritzt, bei Anstoßen an einem Ausbringkolben dagegen zurückweicht.Apparatus according to claim 9 or 13, wherein the spring force is dimensioned such that the tip ( 19 , 39 ) scratches the tubular bag film when the discharge pressure is applied, on the other hand it shrinks when it hits a dispensing piston. Vorrichtung nach Anspruch 1, wobei die Spitze (49) am Ende eines an die Kappe (41) angeformten, schräg zu ihr verlaufenden Hebels (48) vorgesehen ist.Apparatus according to claim 1, wherein the tip ( 49 ) is provided at the end of a lever ( 48 ) which is molded onto the cap ( 41 ) and extends obliquely to it.
EP97100817A 1996-02-05 1997-01-20 Apparatus for emptying a sleeve-bag Expired - Lifetime EP0787655B2 (en)

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Cited By (14)

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US6352177B1 (en) 1998-10-14 2002-03-05 Kettenbach Gmbh & Co. Kg Device for discharging a pasty two-component mixture
EP1557363A1 (en) * 2004-01-23 2005-07-27 Heraeus Kulzer GmbH Device for opening a tubular pouch and its use
DE102004003774A1 (en) * 2004-01-23 2005-08-25 Heraeus Kulzer Gmbh Device for opening a tubular bag and its use
EP1952897A1 (en) 2007-02-01 2008-08-06 HILTI Aktiengesellschaft Container with a bag packaging and a head section
DE102007015842A1 (en) 2007-03-30 2008-10-02 Heraeus Kulzer Gmbh Machinable A-Silicon Putty and its use
WO2008119469A1 (en) 2007-03-30 2008-10-09 Heraeus Kulzer Gmbh Machine-mixable a-silicon putty and the use thereof
US8955720B2 (en) 2008-03-18 2015-02-17 DELO Industrieklebstoffe GmbH & Co. KGaA Container for flowable substances and dispensing apparatus
DE102008014773A1 (en) 2008-03-18 2009-10-08 Delo Industrieklebstoffe Gmbh & Co. Kg Container for flowable substances
EP2161216A1 (en) 2008-03-18 2010-03-10 Delo Industrieklebstoffe Gmbh & Co. Kg Aa Container for flowable substances and method for non-porous metering of such substances
DE202008012785U1 (en) 2008-09-25 2008-12-11 Heraeus Kulzer Gmbh Machinable A-Silicon Putty and its use
ITFI20090020A1 (en) * 2009-01-29 2010-07-30 Frilli Impianti S R L APPARATUS FOR CONTAINMENT AND OPENING OF CONTAINERS OF BALLED PRODUCTS
DE102010045935A1 (en) 2010-09-21 2012-03-22 Heraeus Kulzer Gmbh Multi-component mixing system with rotatable container
WO2012038038A1 (en) 2010-09-21 2012-03-29 Heraeus Kulzer Gmbh Multi-component mixing system having a rotatable container and container therefor
US9022258B2 (en) 2010-09-21 2015-05-05 Heraeus Kulzer Gmbh Multi-component mixing system having a rotatable container and container therefor

Also Published As

Publication number Publication date
AU1230097A (en) 1997-08-14
SK283911B6 (en) 2004-05-04
NO970491D0 (en) 1997-02-04
ATE241504T1 (en) 2003-06-15
AU719198B2 (en) 2000-05-04
SK13197A3 (en) 1997-09-10
CZ23797A3 (en) 1997-12-17
HU9700276D0 (en) 1997-03-28
CA2196005C (en) 2006-04-04
ES2196199T3 (en) 2003-12-16
PL182421B1 (en) 2001-12-31
PL318257A1 (en) 1997-08-18
NO970491L (en) 1997-08-06
CA2196005A1 (en) 1997-08-06
HUP9700276A1 (en) 1997-11-28
EP0787655B1 (en) 2003-05-28
EP0787655B2 (en) 2009-07-15
CZ294323B6 (en) 2004-11-10
US6012610A (en) 2000-01-11
JP3822302B2 (en) 2006-09-20
ES2196199T5 (en) 2009-12-02
JPH09301448A (en) 1997-11-25
DE59710147D1 (en) 2003-07-03
DK0787655T3 (en) 2003-06-23

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