EP0034657B1 - Apparatus for dispensing metered charges of a viscous paste - Google Patents

Apparatus for dispensing metered charges of a viscous paste Download PDF

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Publication number
EP0034657B1
EP0034657B1 EP80107714A EP80107714A EP0034657B1 EP 0034657 B1 EP0034657 B1 EP 0034657B1 EP 80107714 A EP80107714 A EP 80107714A EP 80107714 A EP80107714 A EP 80107714A EP 0034657 B1 EP0034657 B1 EP 0034657B1
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EP
European Patent Office
Prior art keywords
filling
container
shut
piston
filled
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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
Application number
EP80107714A
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German (de)
French (fr)
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EP0034657A1 (en
Inventor
Herbert Weil
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GEHALIN Maschinenfabrik GmbH
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GEHALIN Maschinenfabrik GmbH
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Priority to AT80107714T priority Critical patent/ATE3395T1/en
Publication of EP0034657A1 publication Critical patent/EP0034657A1/en
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Publication of EP0034657B1 publication Critical patent/EP0034657B1/en
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    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
    • B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers

Definitions

  • the invention relates to a device for the metered filling of a viscous paste from a storage container into a cylindrical filling container with a filling tube which can be immersed in the filling container and with a shut-off, through which the paste is pressed during the filling process by means of a piston from an intermediate container into the filling container, the piston has a cross-sectional area which corresponds to that of the filling container, and with a filling line with a shutoff connecting the storage container to the intermediate container.
  • the intermediate container there is designed as a measuring cylinder with a piston such that the The inside diameter of the measuring cylinder - and thus also the cross-sectional area of the piston - corresponds to the inside diameter of the filling container in question.
  • the lower end of the filling tube is pulled upwards in accordance with the level of the filled paste in the filling container, so that the paste is filled without air pockets.
  • the device has proven itself in and of itself.
  • there are relatively high pressures required to fill the measuring cylinder because it has to be filled using a three-way valve.
  • the measuring cylinder with pistons and other associated components must be replaced if the paste is to be filled into a filling container with a different cross-section.
  • DE-OS 2 551 331 describes a metering device with a plurality of plungers with axial bores which are immersed in their cylinders.
  • a viscous paste cannot be filled with this known device because a vacuum of at most 1 bar is available for filling the cylinder (atmospheric pressure).
  • the invention has for its object to develop a device of the type mentioned in such a way that, while maintaining the principle that the mouth of the filling tube follows the level of the filled paste in the filling container during the filling process, throttling points during the filling process into the intermediate container as well as sealing problems are avoided and one Adaptation of the device to fill containers with other cross sections is simplified.
  • the invention is characterized in that the intermediate container is fixed, that the piston is designed as an exchangeable plunger with an axial bore that continues via a first shut-off valve in the line cross-section of the filling pipe, and that a second shut-off valve is provided, which Filling line connects to the intermediate container.
  • the lower end of the plunger stands on a recess of a plate connected to a piston-cylinder unit.
  • the plunger is also inserted into the intermediate container during the filling process via this piston-cylinder unit.
  • the device shown has a frame-fixed upper plate with which two piston-cylinder units 2 are connected.
  • an upper, second shut-off valve 3 sits on the plate 1 and is inserted into a filling line 4.
  • the filling line is led to an intermediate container 5 which is also arranged fixed to the frame and which is designed as a hollow cylinder which is closed on its underside by an annular flange 6.
  • a plunger 7 is sealingly inserted into the opening of the ring flange.
  • the ring flange is fastened to the intermediate container 5 in an easily replaceable manner by means of a union nut 8.
  • a plate 9 is firmly connected to the pistons of the units 2 and can be raised or lowered in the direction of the double arrow 10.
  • the plate 9 has a recess 11 which is adapted to the plunger 7 and into which the lower end of the plunger 7 is inserted.
  • the plate has a downwardly tapering bore which is guided to a lower, first shut-off valve 12. This in turn continues down to a filling pipe 13.
  • a filling container 14 to be filled with a paste for example a cartridge or a tube, is inserted into a receiving piece 15 from above.
  • the receiving piece is in turn inserted into a hole in a rotary table 16 with the interposition of a chuck 17.
  • the rotary table has several such receptacles for filling containers on the same circular arc.
  • a plate 18 which can be raised by a pneumatic lifting cylinder 19.
  • the operation of the device is as follows: At the beginning of a filling cycle, the plunger 7 is completely drawn into the intermediate container 5 by a corresponding actuation of the piston-cylinder units 2.
  • the intermediate container 5, the filling line 4 and also the plunger 7 with the filling pipe 13 are, as indicated in the drawing, filled with a viscous paste. Both taps 3, 12 are closed.
  • the filling container 14 is in a lower, lowered position (see FIG. 1).
  • the upper shut-off valve 3 is then closed and the lower shut-off valve 12 is opened (see FIG. 3).
  • Fig. 4 shows the filled filling container 14, which now only needs to be closed.
  • the lifting cylinder 19 is actuated again, which lowers the filled filling container 14 downwards, as shown in FIG. 5.
  • the lower shut-off valve 12 is closed after the upper shut-off valve 3 has already been closed in the step according to FIG. 3. 5 has been reached and the cycle can begin again after a new filling container 14 has advanced under the mouth of the metering tube 13.
  • the cross-sectional area of the plunger 7 is equal to the clear cross-sectional area of the filling container. Because both parts are circular cylindrical, the outer diameter of the plunger is equal to the inner diameter of the filling container 14. The arrows 20 in FIG. 1 indicate these diameters which are the same as each other.
  • the diameter of the axial bore of the plunger 7 can be chosen freely if the condition specified above is met.
  • the diameter of the axial bore of the plunger 7 is preferably chosen to be as large as possible because the flow resistance in the axial bore is small. This is a major advantage of the new device.
  • the new device manages with a pressure of 70 to 80 bar at a cycle of 15 per minute, compared to a pressure of 180 bar with the same cycle in the device according to the aforementioned DE-A 2610396.
  • the pressure can so be more than halved. This is due to the larger cross sections and the shorter distances that the paste has to travel in the device.
  • the new device therefore works more gently.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Coating Apparatus (AREA)

Abstract

1. Device for measured filling of a strongly viscous paste from a storage vessel into a cylindrical container (14) to be filled, with a filling tube (13) which can dip into the container (14) and has shut-off means, through which the paste is driven during the filling operation by means of a piston (7) out of an intermediate vessel (5) into the container (14) to filled, while the piston (7) has a cross sectional area which corresponds to that of the container (14), and with a filling conduit (4) with shut-off means, connecting the storage vessel with the intermediate vessel (5), characterized in that the intermediate vessel (5) is stationary, that the piston is constituted by an interchangeable plunger (7) with an axial bore, which continues via a first shut-off cock (12) into the conduit cross section of the filling tube (13), and that a second shut-off cock (3) is provided, which connects the filling conduit (4) with the intermediate vessel (5).

Description

Die Erfindung betrifft eine Vorrichtung zum dosierten Abfüllen einer zähviskosen Paste aus einem Vorratsbehälter in einen zylindrischen Abfüllbehälter mit einem in den Abfüllbehälter eintauchbaren Abfüllrohr mit Absperrung, durch das hindurch die Paste beim Abfüllvorgang mittels eines Kolbens aus einem Zwischenbehälter in den Abfüllbehälter gedrückt wird, wobei der Kolben eine Querschnittsfläche hat, die derjenigen des Abfüllbehälters entspricht, und mit einer den Vorratsbehälter mit dem Zwischenbehälter verbindenden Einfülleitung mit Absperrung.The invention relates to a device for the metered filling of a viscous paste from a storage container into a cylindrical filling container with a filling tube which can be immersed in the filling container and with a shut-off, through which the paste is pressed during the filling process by means of a piston from an intermediate container into the filling container, the piston has a cross-sectional area which corresponds to that of the filling container, and with a filling line with a shutoff connecting the storage container to the intermediate container.

Eine derartige Vorrichtung beschreibt die DE-A 2 610 396. Um zu erreichen, dass die über diese Vorrichtung in den jeweiligen Abfüllbehälter (Kartusche oder dergleichen) abgefüllte Paste ohne Lufteinschlüsse abgefüllt wird, ist der Zwischenbehälter dort als Messzylinder mit Kolben derart ausgebildet, dass der Innendurchmesser des Messzylinders - und damit auch die Querschnittsfläche des Kolbens - dem Innendurchmesser des betreffenden Abfüllbehälters entspricht. Beim Abfüllvorgang wird somit das untere Ende des Abfüllrohres entsprechend dem Niveau der abgefüllten Paste im Abfüllbehälter nach oben herausgezogen, so dass die Paste ohne Lufteinschlüsse abgefüllt wird. Die Vorrichtung hat sich an und für sich bewährt. Es sind dort jedoch zum Füllen des Messzylinders verhältnismässig hohe Drücke erforderlich, weil dieser nämlich über einen Drei-Wege-Hahn befüllt werden muss. Ausserdem können sich Abdichtprobleme am Hahn bzw. am oberen Ende des Messzylinders ergeben. Fernerhin muss der Messzylinder mit Kolben und weiteren, zugehörigen Bauteilen ausgewechselt werden, wenn die Paste in Abfüllbehälter mit einem anderen Querschnitt abgefüllt werden soll.Such a device is described in DE-A 2 610 396. In order to ensure that the paste filled into the respective filling container (cartridge or the like) via this device is filled without air pockets, the intermediate container there is designed as a measuring cylinder with a piston such that the The inside diameter of the measuring cylinder - and thus also the cross-sectional area of the piston - corresponds to the inside diameter of the filling container in question. During the filling process, the lower end of the filling tube is pulled upwards in accordance with the level of the filled paste in the filling container, so that the paste is filled without air pockets. The device has proven itself in and of itself. However, there are relatively high pressures required to fill the measuring cylinder, because it has to be filled using a three-way valve. In addition, there may be sealing problems at the tap or at the upper end of the measuring cylinder. Furthermore, the measuring cylinder with pistons and other associated components must be replaced if the paste is to be filled into a filling container with a different cross-section.

Die DE-OS 2 551 331 beschreibt eine Dosiereinrichtung mit mehreren Tauchkolben mit Axialbohrungen, die in ihre Zylinder eintauchen. Eine zähviskose Paste kann mit dieser bekannten Vorrichtung nicht abgefüllt werden, weil zum Befüllen derZylinderein Unterdruck von maximal 1 bar zur Verfügung steht (Atmosphärendruck).DE-OS 2 551 331 describes a metering device with a plurality of plungers with axial bores which are immersed in their cylinders. A viscous paste cannot be filled with this known device because a vacuum of at most 1 bar is available for filling the cylinder (atmospheric pressure).

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art dahingehend weiterzubilden, dass unter Beibehaltung des Prinzips, wonach beim Abfüllvorgang die Mündung des Abfüllrohres dem Niveau der abgefüllten Paste im Abfüllbehälter folgt, Drosselstellen beim Einfüllvorgang in den Zwischenbehälter sowie Dichtungsprobleme vermieden werden und eine Anpassung der Vorrichtung an Abfüllbehälter mit anderen Querschnitten vereinfacht wird.The invention has for its object to develop a device of the type mentioned in such a way that, while maintaining the principle that the mouth of the filling tube follows the level of the filled paste in the filling container during the filling process, throttling points during the filling process into the intermediate container as well as sealing problems are avoided and one Adaptation of the device to fill containers with other cross sections is simplified.

Zur Lösung dieser Aufgabe ist die Erfindung dadurch gekennzeichnet, dass der Zwischenbehälter feststehend ist, dass der Kolben als auswechselbarer Tauchkolben mit einer Axialbohrung ausgebildet ist, die sich über einen ersten Absperrhahn in den Leitungsquerschnitt des Abfüllrohres fortsetzt, und dass ein zweiterAbsperrhahn vorgesehen ist, der die Einfülleitung mit dem Zwischenbehälter verbindet.To achieve this object, the invention is characterized in that the intermediate container is fixed, that the piston is designed as an exchangeable plunger with an axial bore that continues via a first shut-off valve in the line cross-section of the filling pipe, and that a second shut-off valve is provided, which Filling line connects to the intermediate container.

Der Drei-Wege-Hahn und die an ihm auftretende Drosselstelle entfallen somit. Sollen Abfüllbehälter mit anderen Querschnitten befüllt werden, so muss hierzu lediglich der Tauchkolben ausgewechselt werden. Es muss ausserdem nur für eine gute Dichtung zwischen dem Tauchkolben und dem Zwischenbehälter gesorgt werden.The three-way valve and the throttling point that occurs on it are therefore eliminated. If filling containers are to be filled with different cross-sections, all that is required is to replace the plunger. It is also only necessary to ensure a good seal between the plunger and the intermediate container.

Um den Tauchkolben leicht auswechseln zu können, wird es bevorzugt, wenn der Tauchkolben mit seinem unteren Ende auf einer Ausnehmung einer mit einer Kolben-Zylinder-Einheit verbundenen Platte aufsteht. Über diese Kolben-Zylinder-Einheit wird ausserdem der Tauchkolben beim Abfüllvorgang in den Zwischenbehälter eingeschoben.In order to be able to easily replace the plunger, it is preferred if the lower end of the plunger stands on a recess of a plate connected to a piston-cylinder unit. The plunger is also inserted into the intermediate container during the filling process via this piston-cylinder unit.

Die Erfindung wird im folgenden anhand eines Ausführungsbeispiels näher erläutert. Die Figuren zeigen in einem Längsschnitt die Aufeinanderfolge eines Abfüllzyklus' zum Befüllen einer Kartusche, und zwar

  • Fig. 1 - den Beginn des Abfüllvorganges;
  • Fig. 2 bis 4 - die Zwischenstationen des Abfüllvorganges und
  • Fig. 5 - das Ende dieses Abfüllzyklus.
The invention is explained in more detail below using an exemplary embodiment. The figures show in a longitudinal section the sequence of a filling cycle for filling a cartridge, specifically
  • Fig. 1 - the beginning of the filling process;
  • 2 to 4 - the intermediate stations of the filling process and
  • Fig. 5 - the end of this filling cycle.

Die gezeigte Vorrichtung besitzt eine rahmenfeste obere Platte, mit der zwei Kolben-Zylinder-Einheiten 2 verbunden sind. Ausserdem sitzt auf der Platte 1 ein oberer, zweiter Absperrhahn 3 auf, der in eine Einfülleitung 4 eingesetzt ist. Die Einfülleitung ist zu einem Zwischenbehälter 5 geführt, der ebenfalls rahmenfest angeordnet ist und der als Hohlzylinder ausgebildet ist, der an seiner Unterseite von einem Ringflansch 6 abgeschlossen ist. In die Öffnung des Ringflansches ist dichtend ein Tauchkolben 7 eingesetzt. Der Ringflansch ist über eine Überwurfmutter 8 leicht auswechselbar am Zwischenbehälter 5 befestigt.The device shown has a frame-fixed upper plate with which two piston-cylinder units 2 are connected. In addition, an upper, second shut-off valve 3 sits on the plate 1 and is inserted into a filling line 4. The filling line is led to an intermediate container 5 which is also arranged fixed to the frame and which is designed as a hollow cylinder which is closed on its underside by an annular flange 6. A plunger 7 is sealingly inserted into the opening of the ring flange. The ring flange is fastened to the intermediate container 5 in an easily replaceable manner by means of a union nut 8.

Mit den Kolben der Einheiten 2 ist eine Platte 9 fest verbunden, die in Richtung des Doppelpfeiles 10 angehoben bzw. abgesenkt werden kann. Mittig hat die Platte 9 eine dem Tauchkolben 7 angepasste Ausnehmung 11, in die der Tauchkolben 7 mit seinem unteren Ende eingesetzt ist. Ausserdem hat die Platte eine sich nach unten verjüngende Bohrung, die zu einem unteren, ersten Absperrhahn 12 geführt ist. Dieser wiederum setzt sich nach unten zu einem Abfüllrohr 13 fort.A plate 9 is firmly connected to the pistons of the units 2 and can be raised or lowered in the direction of the double arrow 10. In the middle, the plate 9 has a recess 11 which is adapted to the plunger 7 and into which the lower end of the plunger 7 is inserted. In addition, the plate has a downwardly tapering bore which is guided to a lower, first shut-off valve 12. This in turn continues down to a filling pipe 13.

Ein mit einer Paste zu befüllender Abfüllbehälter 14, beispielsweise eine Kartusche oder eine Tube, ist in ein Aufnahmestück 15 von oben eingesetzt. Das Aufnahmestück wiederum ist in ein Loch eines Rundtisches 16 unter Zwischenlage eines Futterstückes 17 eingesetzt. Der Rundtisch hat auf demselben Kreisbogen mehrere derartige Aufnahmestücke für Abfüllbehälter.A filling container 14 to be filled with a paste, for example a cartridge or a tube, is inserted into a receiving piece 15 from above. The receiving piece is in turn inserted into a hole in a rotary table 16 with the interposition of a chuck 17. The rotary table has several such receptacles for filling containers on the same circular arc.

Unterhalb des Abfüllrohres 13 und des Aufnahmestückes 15 befindet sich ein Teller 18, der von einem pneumatischen Hubzylinder 19 angehoben werden kann.Below the filling pipe 13 and the receptacle Mestückes 15 is a plate 18 which can be raised by a pneumatic lifting cylinder 19.

Die Arbeitsweise der Vorrichtung ist wie folgt: Zu Beginn eines Abfüllzyklus ist der Tauchkolben 7 ganz in den Zwischenbehälter 5 eingezogen, und zwar durch eine entsprechende Betätigung der Kolben-Zylinder-Einheiten 2. Der Zwischenbehälter 5, die Einfülleitung 4 und auch der Tauchkolben 7 mit dem Abfüllrohr 13 sind, wie zeichnerisch angedeutet, mit einer zähviskosen Paste gefüllt. Beide Hähne 3, 12 sind geschlossen. Der Abfüllbehälter 14 befindet sich in einer unteren, abgesenkten Position (vergleiche Fig. 1).The operation of the device is as follows: At the beginning of a filling cycle, the plunger 7 is completely drawn into the intermediate container 5 by a corresponding actuation of the piston-cylinder units 2. The intermediate container 5, the filling line 4 and also the plunger 7 with the filling pipe 13 are, as indicated in the drawing, filled with a viscous paste. Both taps 3, 12 are closed. The filling container 14 is in a lower, lowered position (see FIG. 1).

Wird jetzt der obere Absperrhahn 3 geöffnet, so wird über einen nicht gezeigten Vorratsbehälter und die Einfülleitung 4 Paste in den Zwischenbehälter 5 eingedrückt, wobei der untere Absperrhahn 12 geschlossen bleibt. Durch den Einfülldruck wird die Platte 9 nach unten in die in Fig. 2 gezeigte Lage bewegt, wobei vorher die Kolben-Zylinder-Einheiten 2 entsprechend entlastet worden sind, um diese Bewegung mitmachen zu können. Gleichzeitig wurde durch Betätigung des Hubzylinders 19 der Abfüllbehälter 14 angehoben.If the upper shut-off valve 3 is now opened, paste is pressed into the intermediate container 5 via a storage container (not shown) and the filling line 4, the lower shut-off valve 12 remaining closed. Due to the filling pressure, the plate 9 is moved downward into the position shown in FIG. 2, the piston-cylinder units 2 having been relieved beforehand in order to be able to take part in this movement. At the same time, the filling container 14 was raised by actuating the lifting cylinder 19.

Mit der Absenkung der Platte 9 wurde auch der Tauchkolben 7 ausgefahren. Es ist jetzt die Situation nach Fig. 2 erreicht.With the lowering of the plate 9, the plunger 7 was also extended. The situation according to FIG. 2 has now been reached.

Anschliessend wird der obere Absperrhahn 3 geschlossen und der untere Absperrhahn 12 geöffnet (vergleiche Fig. 3).The upper shut-off valve 3 is then closed and the lower shut-off valve 12 is opened (see FIG. 3).

Es kann jetzt der eigentliche Abfüllvorgang beginnen. Hierzu werden die Kolben-Zylinder-Einheiten 2 aktiviert, die die Platte 9 und damit auch den Tauchkolben 7 nach oben ziehen. Es wird dabei aus dem Innenraum des Zwischenbehälters 5 dasselbe Volumen an Paste verdrängt, das gleichzeitig in den Abfüllbehälter 14 eingefüllt wird. Die Mündung des Abfüllrohres 13 folgt daher dem Niveau der Paste im Abfüllbehälter 14.The actual filling process can now begin. For this purpose, the piston-cylinder units 2 are activated, which pull the plate 9 and thus also the plunger 7 upwards. The same volume of paste which is simultaneously filled into the filling container 14 is displaced from the interior of the intermediate container 5. The mouth of the filling tube 13 therefore follows the level of the paste in the filling container 14.

Fig. 4 zeigt den gefüllten Abfüllbehälter 14, der jetzt nur noch verschlossen zu werden braucht. Für diesen Zweck wird der Hubzylinder 19 wieder betätigt, der den gefüllten Abfüllbehälter 14 nach unten absenkt, wie dies Fig. 5 zeigt. Nach einer weiteren Drehung des Rundtisches 16 kann dieser aus dem Aufnahmestück 15 entnommen und geschlossen werden. Gleichzeitig wird auch der untere Absperrhahn 12 geschlossen, nachdem der obere Absperrhahn 3 bereits beim Schritt nach Fig. 3 geschlossen worden war. Es ist der Zustand nach Fig. 5 erreicht und der Zyklus kann nach Vorrücken eines neuen Abfüllbehälters 14 unter die Mündung des Dosierrohres 13 wieder beginnen.Fig. 4 shows the filled filling container 14, which now only needs to be closed. For this purpose, the lifting cylinder 19 is actuated again, which lowers the filled filling container 14 downwards, as shown in FIG. 5. After a further rotation of the rotary table 16, it can be removed from the receiving piece 15 and closed. At the same time, the lower shut-off valve 12 is closed after the upper shut-off valve 3 has already been closed in the step according to FIG. 3. 5 has been reached and the cycle can begin again after a new filling container 14 has advanced under the mouth of the metering tube 13.

Es wurde bereits erwähnt, dass die Querschnittsfläche des Tauchkolbens 7 gleich der lichten Querschnittsfläche des Abfüllbehälters ist. Weil beide Teile kreiszylindrisch sind, ist der Aussendurchmesser des Tauchkolbens gleich dem Innendurchmesser des Abfüllbehälters 14 Die Pfeile 20 in Fig. 1 deuten diese einander gleichen Durchmesser an.It has already been mentioned that the cross-sectional area of the plunger 7 is equal to the clear cross-sectional area of the filling container. Because both parts are circular cylindrical, the outer diameter of the plunger is equal to the inner diameter of the filling container 14. The arrows 20 in FIG. 1 indicate these diameters which are the same as each other.

Der Durchmesser der Axialbohrung des Tauchkolbens 7 kann frei gewählt werden, wenn die vorstehend angegebene Bedingung erfüllt ist. Vorzugsweise wird der Durchmesser der Axialbohrung des Tauchkolbens 7 möglichst gross gewählt, weil der Strömungswiderstand in der Axialbohrung klein ist. Dies ist ein wesentlicher Vorteil der neuartigen Vorrichtung. Versuche haben ergeben, dass die neuartige Vorrichtung mit einem Druck von 70 bis 80 bar bei einem Takt von 15 pro Minute auskommt, verglichen mit einem Druck von 180 bar bei demselben Takt bei der Vorrichtung nach der eingangs erwähnten DE-A 2610396. Der Druck kann also mehr als halbiert werden. Dies beruht auf den grösseren Querschnitten und den kürzeren Wegen, die die Paste in der Vorrichtung zurückzulegen hat. Die neuartige Vorrichtung arbeitet also produktschonender.The diameter of the axial bore of the plunger 7 can be chosen freely if the condition specified above is met. The diameter of the axial bore of the plunger 7 is preferably chosen to be as large as possible because the flow resistance in the axial bore is small. This is a major advantage of the new device. Experiments have shown that the new device manages with a pressure of 70 to 80 bar at a cycle of 15 per minute, compared to a pressure of 180 bar with the same cycle in the device according to the aforementioned DE-A 2610396. The pressure can so be more than halved. This is due to the larger cross sections and the shorter distances that the paste has to travel in the device. The new device therefore works more gently.

Claims (2)

1. Device for measured filling of a strongly viscous paste from a storage vessel into a cylindrical container (14) to be filled, with a filling tube (13) which can dip into the container (14) and has shut-off means, through which the paste is driven during the filling operation by means of a piston (7) out of an intermediate vessel (5) into the container (14) to be filled, while the piston (7) has a cross sectional area which corresponds to that of the container (14), and with a filling conduit (4) with shut-off means, connecting the storage vessel with the intermediate vessel (5), characterised in that the intermediate vessel (5) is stationary, that the piston is constituted by an interchangeable plunger (7) with an axial bore, which continues via a first shut-off cock (12) into the conduit cross section of the filling tube (13), and that a second shut-off cock (3) is provided, which connects the filling conduit (4) with the intermediate vessel (5).
2. Device according to claim 1, characterised in that the plunger (7) is upstanding, with its lower end in a recess (11) in a plate (9) connected to a piston-cylinder unit (2,2).
EP80107714A 1980-02-26 1980-12-08 Apparatus for dispensing metered charges of a viscous paste Expired EP0034657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80107714T ATE3395T1 (en) 1980-02-26 1980-12-08 DEVICE FOR DOSED FILLING OF A TOUGH VISCOSE PASTE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3007069A DE3007069C2 (en) 1980-02-26 1980-02-26 Device for the metered filling of a viscous paste
DE3007069 1980-02-26

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EP0034657A1 EP0034657A1 (en) 1981-09-02
EP0034657B1 true EP0034657B1 (en) 1983-05-18

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DE (2) DE3007069C2 (en)

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Publication number Priority date Publication date Assignee Title
FR2639849B1 (en) * 1988-12-01 1991-04-19 Mathou Jean Pierre ADHESIVE DISPENSING DEVICE
US7284961B2 (en) * 2002-06-06 2007-10-23 Bs&B Safety Systems, Ltd. Pumping system, replacement kit including piston and/or cylinder, and method for pumping system maintenance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2438796A1 (en) * 1974-08-13 1976-02-26 Josef Finnah Dispensing valve for pasty foodstuff - hollow dispensing piston is stretched and reduced in dia. to permit material to flow past
DE2551331A1 (en) * 1975-11-15 1977-05-26 Bayer Ag Dispensing two or more liqs. in variable proportions - e.g. into a reactor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR88122E (en) * 1965-03-29 1966-04-15 Remy & Cie E P Dosing device for liquid or semi-fluid products and installation using such a device
DE2610396A1 (en) * 1976-03-12 1977-09-22 Ge Halin Abfuellmaschinenfabri Highly viscous paste dispenser - has stationary piston in cylinder moving to and fro with feed pipe and cock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2438796A1 (en) * 1974-08-13 1976-02-26 Josef Finnah Dispensing valve for pasty foodstuff - hollow dispensing piston is stretched and reduced in dia. to permit material to flow past
DE2551331A1 (en) * 1975-11-15 1977-05-26 Bayer Ag Dispensing two or more liqs. in variable proportions - e.g. into a reactor

Also Published As

Publication number Publication date
DE3007069A1 (en) 1981-09-03
DE3007069C2 (en) 1982-07-22
EP0034657A1 (en) 1981-09-02
ATE3395T1 (en) 1983-06-15
DE3063377D1 (en) 1983-07-07

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