EP0358053B1 - Container assembly for the transport and storage of liquid or powdery products - Google Patents

Container assembly for the transport and storage of liquid or powdery products Download PDF

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Publication number
EP0358053B1
EP0358053B1 EP89115604A EP89115604A EP0358053B1 EP 0358053 B1 EP0358053 B1 EP 0358053B1 EP 89115604 A EP89115604 A EP 89115604A EP 89115604 A EP89115604 A EP 89115604A EP 0358053 B1 EP0358053 B1 EP 0358053B1
Authority
EP
European Patent Office
Prior art keywords
container
filling
outer container
outlet pipe
connection piece
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
Application number
EP89115604A
Other languages
German (de)
French (fr)
Other versions
EP0358053A2 (en
EP0358053A3 (en
Inventor
Pierre Pfeiffer
Benôit Cheval
Paul Sigwalt
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.)
Sotralentz SA
Original Assignee
Sotralentz SA
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
Application filed by Sotralentz SA filed Critical Sotralentz SA
Publication of EP0358053A2 publication Critical patent/EP0358053A2/en
Publication of EP0358053A3 publication Critical patent/EP0358053A3/en
Application granted granted Critical
Publication of EP0358053B1 publication Critical patent/EP0358053B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers

Definitions

  • the invention relates to a method for filling and emptying a container assembly for the transport and storage of liquid or powdery filling material, with a supporting outer container made of thermoplastic material and an inner container designed as a film bubble, which is adapted to the interior of the outer container.
  • a supporting outer container made of thermoplastic material and an inner container designed as a film bubble, which is adapted to the interior of the outer container.
  • the film bubble makes it easy to use the outer container multiple times. It is also arranged for disposal reasons.
  • the load-bearing outer container can be used several times if after each use the film bubble to be disposed of, which may contain remnants of environmentally harmful liquids, is removed and disposed of in accordance with regulations. In such a case, it is not necessary to laboriously clean or decontaminate the interior of the outer container. It is understood that precautions must be taken to ensure that the film bubble does not become leaky after it has taken up the liquid or powdered filling material.
  • the film bubble is attached to the opening of the container lid both during filling and during transport or storage of the container assembly.
  • a sealing plug designed as an outlet valve is inserted into a tubular extension of the film bubble and, in the exemplary embodiment, fastened to an outlet pipe socket of the outer container using complex clamping means and sealing means.
  • a container assembly is known from DE-A-22 55 299, at which the outer container is a barrel and in which the inner container is referred to as a pouch and is connected to the bung in the barrel lid.
  • the insert bag will tear off the bung opening and its contents will be emptied into the interior of the barrel.
  • the inner bag has an outlet nozzle which is arranged in the upper region of the folding container and passes through the opening there. It can be clamped there and consequently also tear off.
  • the invention has for its object to provide a method of the type described above, which enables easy filling and emptying and at the same time ensures that both when filling and emptying the container assembly and the stresses that usually occur during transport or storage an uncontrolled Emptying the inner container into the outer container is practically no longer possible and that the inner container remains sufficiently tight.
  • the container assembly shown in the figures is intended for the transport and storage of liquid or powdery contents.
  • the basic structure includes a load-bearing outer container 1 made of thermoplastic material and an inner container designed as a film bubble 2.
  • the inner container is adapted to the interior of the outer container.
  • the outer container 1 has in its container shell 3 in the area of the bottom 4 an outlet pipe socket 5 with an external thread 6 for a lid 7 or for the connection of fittings.
  • the outer container 1 In its container lid 8, the outer container 1 has a container lid opening 9 with a large diameter compared to the outlet pipe socket 5 of the container jacket 3, which has a collar and can be closed.
  • the film bubble 2 can be filled with the filling material and is supported on the outer container 1 in the filled state. It therefore rests under the influence of gravity, which acts on the filling material, on the bottom 4 of the outer container 1 and lies on the inside of the container edge 3 of the outer container 1.
  • the film bubble 2 has a hose connector 10 which can be fixed on the outer edge of the outlet pipe connector 5 and can be closed by a valve 11 screwed onto the outlet pipe connector 5 and opened for the purpose of emptying. From FIG. 2 it can be seen that the film bubble 2, which is completely or partially filled with the filling material, is arranged with its top side free of the container lid opening 9 in the outer container 1.
  • the film bubble 2 has an upper filling opening 14, which can be connected to the container lid opening 9 for the purpose of filling and then closed and removed from the container lid opening 9. - It goes without saying that for the introduction of the film bubble 2 in the outer container 1 can be worked with suitable auxiliary devices, which have not been shown.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Basic Packing Technique (AREA)
  • Bag Frames (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Catching Or Destruction (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

Container assembly for the transport and storage of liquid or powdery products, with a supporting outer container made of thermoplastic material and an inner container in the form of blown film, which is adapted to the inner space of the outer container. In its container shell, in the region of the bottom, the outer container has an outlet pipe socket with an external thread for a cover or for the connection of fittings and, in its container cover, a container cover opening which, in relation to the outlet pipe socket, is of large calibre. The container cover opening is closable. The blown film can be filled with the product and can be supported, in the filled condition, on the outer container. The blown film has a tubular neck which can be firmly attached to the outer edge of the outlet pipe socket and is closable by means of a valve screwed onto the outlet pipe socket and can be opened for the purpose of emptying. The blown film, completely or partially filled with the product, is arranged in the outer container with its upper side free of the container cover opening. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Befüllen und Entleeren eines Behälteraggregates für den Transport und für die Lagerung von flüssigem oder pulverförmigem Füllgut, mit einem tragenden Außenbehälter aus thermoplastischem Kunststoff und einem als Folienblase ausgeführten Innenbehälter, der dem Innenraum des Außenbehälters angepaßt ist. - Im allgemeinen sind solche Behälteraggregate sehr großvolumig ausgeführt, z. B. mit einem Fassungsvermögen von 1000 l und mehr. Die Folienblase erlaubt es auf einfache Weise, den Außenbehälter mehrfach einzusetzen. Sie ist außerdem aus Entsorgungsgründen angeordnet. Der tragende Außenbehälter kann mehrfach eingesetzt werden, wenn nach jedem Einsatz die zu entsorgende Folienblase, in der sich Reste von umweltbelastenden Flüssigkeiten befinden können, entfernt und der vorschriftsmäßigen Entsorgung zugeführt wird. Es ist in einem solchen Falle nicht erforderlich, den Innenraum des Außenbehälters aufwendig zu reinigen oder zu dekontaminieren. Es versteht sich, daß Vorsorge getroffen werden muß, daß die Folienblase, nachdem sie das flüssige oder pulverförmige Füllgut aufgenommen hat, nicht undicht wird.The invention relates to a method for filling and emptying a container assembly for the transport and storage of liquid or powdery filling material, with a supporting outer container made of thermoplastic material and an inner container designed as a film bubble, which is adapted to the interior of the outer container. - In general, such container assemblies are very large, z. B. with a capacity of 1000 l and more. The film bubble makes it easy to use the outer container multiple times. It is also arranged for disposal reasons. The load-bearing outer container can be used several times if after each use the film bubble to be disposed of, which may contain remnants of environmentally harmful liquids, is removed and disposed of in accordance with regulations. In such a case, it is not necessary to laboriously clean or decontaminate the interior of the outer container. It is understood that precautions must be taken to ensure that the film bubble does not become leaky after it has taken up the liquid or powdered filling material.

Bei dem bekannten Verfahren, von dem die Erfindung im Oberbegriff des Patentanspruches ausgeht und das der Fachmann dem DE-U- 88 07 118 entnimmt, ist die Folienblase sowohl beim Befüllen als auch bei dem Transport bzw. der Lagerung des Behälteraggregates an der Behälterdeckelöffnung befestigt. Bei den beim Transport und bei der Lagerung auftretenden Beanspruchungen des Behälteraggregates besteht die Gefahr, daß die Folienblase von der Behälterdeckelöffnung abreißt und sich ihr Inhalt in den Faßinnenraum entleert. Außerdem wird bei dem bekannten Verfahren ein als Auslaßventil ausgebildeter Verschlußstopfen in einen schlauchförmigen Ansatz der Folienblase eingeschoben und im Ausführungsbeispiel mit aufwendigen Klemmitteln und Abdichtmitteln an einem Auslaufrohrstutzen des Außenbehälters befestigt. Diese Befestigung ist nicht nur relativ aufwendig, sondern läßt zudem in bezug auf die Dichtigkeit des Behälteraggregates zu wünschen übrig, da insbes. die Klemmittel relativ leicht ausleiern können. Bei einem anderen Verfahren, das aus der US-A- 4,586,628 bekannt ist, sind keine Befestigungen der Folienblase an der Behälterdecke des Außenbehälters vorgesehen. Bei diesem Verfahren findet ein Befüllen der Folienblase von der Unterseite des Behälteraggregates her statt. Die Flüssigkeit muß gegen die Wirkung der Schwerkraft eingepumpt werden. Das ist aufwendig. Eine obere Befüllöffnung der Folienblase ist nicht vorgesehen. Im übrigen werden keine Angaben darüber gemacht, wie an dem Auslaufrohrstutzen an der Unterseite des Behälteraggregates eine Armatur bzw. ein Ventil angebracht werden soll. Aus der DE-A- 22 55 299 ist ein Behälteraggregat bekannt, bei dem der Außenbehälter ein Faß ist und bei dem der Innenbehälter als Einsteckbeutel bezeichnet ist und mit dem Spund im Faßdeckel verbunden ist. Auch hier besteht die Gefahr, daß der Einsatzbeutel von der Spundöffnung abreißt und sein Inhalt sich in den Faßinnenraum entleert. Bei einem aus der DE-B- 12 78 335 bekannten Behälter anderer Art, nämlich einem Faltbehälter mit einer Durchtrittsöffnung für den Auslaufstutzen eines Innenbeutels, besitzt der Innenbeutel einen Auslaufstutzen, der im oberen Bereich des Faltbehälters angeordnet ist und dort die Durchtrittsöffnung passiert. Er kann dort festgeklemmt werden und folglich auch abreißen.In the known method, from which the invention is based in the preamble of the patent claim and which the person skilled in the art takes from DE-U-88 07 118, the film bubble is attached to the opening of the container lid both during filling and during transport or storage of the container assembly. When the container unit is subjected to stress during transport and storage, there is a risk that the film bubble will tear off the container lid opening and its contents will be emptied into the interior of the barrel. In addition, in the known method, a sealing plug designed as an outlet valve is inserted into a tubular extension of the film bubble and, in the exemplary embodiment, fastened to an outlet pipe socket of the outer container using complex clamping means and sealing means. This attachment is not only relatively complex, but also leaves something to be desired in terms of the tightness of the container assembly, since in particular the clamping means can wear out relatively easily. In another method, which is known from US-A-4,586,628, no attachments of the film bubble are provided on the container ceiling of the outer container. In this method, the film bubble is filled from the underside of the container assembly. The liquid must be pumped in against the action of gravity. It is expensive. An upper filling opening of the film bubble is not provided. For the rest, no information is given on how a fitting or a valve is to be attached to the outlet pipe socket on the underside of the container assembly. A container assembly is known from DE-A-22 55 299, at which the outer container is a barrel and in which the inner container is referred to as a pouch and is connected to the bung in the barrel lid. Here too there is a risk that the insert bag will tear off the bung opening and its contents will be emptied into the interior of the barrel. In a container of another type known from DE-B-12 78 335, namely a folding container with a passage opening for the outlet nozzle of an inner bag, the inner bag has an outlet nozzle which is arranged in the upper region of the folding container and passes through the opening there. It can be clamped there and consequently also tear off.

Demgegenüber liegt der Erfindung die Aufgabe zugrunde, ein Verfahren der eingangs beschriebenen Art anzugeben, das eine einfache Befüllung und Entleerung ermöglicht und zugleich gewährleistet, daß sowohl beim Befüllen und Entleeren des Behälteraggregates als auch bei den üblicherweise beim Transport oder bei der Lagerung auftretenden Beanspruchungen eine unkontrollierte Entleerung des Innenbehälters in den Außenbehälter hinein praktisch nicht mehr möglich ist und daß der Innenbehälter insoweit ausreichend dicht bleibt.In contrast, the invention has for its object to provide a method of the type described above, which enables easy filling and emptying and at the same time ensures that both when filling and emptying the container assembly and the stresses that usually occur during transport or storage an uncontrolled Emptying the inner container into the outer container is practically no longer possible and that the inner container remains sufficiently tight.

Diese Aufgabe wird durch das Verfahren nach dem Patentanspruch gelöst.This object is achieved by the method according to the patent claim.

Weitere Einzelheiten und die erreichten Vorteile werden anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlicher erläutert. Es zeigen in schematischer Darstellung

Fig. 1
einen Vertikalschnitt durch ein für das erfindungsgemäße Verfahren bestimmtes Behälteraggregat im ungefüllten Zustand,
Fig. 2
den Gegenstand nach Fig. 1 in gefülltem Zustand.
Further details and the advantages achieved will be explained in more detail with reference to a drawing which represents only one exemplary embodiment. They show a schematic representation
Fig. 1
3 shows a vertical section through a container assembly intended for the method according to the invention in the unfilled state,
Fig. 2
1 in the filled state.

Das in den Figuren dargestellte Behälteraggregat ist für den Transport und für die Lagerung von flüssigem oder von pulverförmigem Füllgut bestimmt. Zum grundsätzlichen Aufbau gehören ein tragender Außenbehälter 1 aus thermoplastischem Kunststoff und ein als Folienblase 2 ausgeführter Innenbehälter. Der Innenbehälter ist dem Innenraum des Außenbehälters angepaßt. Der Außenbehälter 1 besitzt in seinem Behältermantel 3 im Bereich des Bodens 4 einen Auslaufrohrstutzen 5 mit Außengewinde 6 für einen Deckel 7 oder für den Anschluß von Armaturen. In seinem Behälterdeckel 8 besitzt der Außenbehälter 1 eine gegenüber dem Auslaufrohrstutzen 5 des Behältermantels 3 großkalibrige Behälterdeckelöffnung 9, die einen Kragen aufweist und verschließbar ist. Die Folienblase 2 ist mit dem Füllgut befüllbar und in gefülltem Zustand an dem Außenbehälter 1 abgestützt. Sie ruht daher unter dem Einfluß der Schwerkraft, die auf das Füllgut wirkt, auf dem Boden 4 des Außenbehälters 1 und legt sich innenseitig an den Behälterrand 3 des Außenbehälters 1 an.The container assembly shown in the figures is intended for the transport and storage of liquid or powdery contents. The basic structure includes a load-bearing outer container 1 made of thermoplastic material and an inner container designed as a film bubble 2. The inner container is adapted to the interior of the outer container. The outer container 1 has in its container shell 3 in the area of the bottom 4 an outlet pipe socket 5 with an external thread 6 for a lid 7 or for the connection of fittings. In its container lid 8, the outer container 1 has a container lid opening 9 with a large diameter compared to the outlet pipe socket 5 of the container jacket 3, which has a collar and can be closed. The film bubble 2 can be filled with the filling material and is supported on the outer container 1 in the filled state. It therefore rests under the influence of gravity, which acts on the filling material, on the bottom 4 of the outer container 1 and lies on the inside of the container edge 3 of the outer container 1.

Die Folienblase 2 weist einen Schlauchstutzen 10 auf, der am Außenrand des Auslaufrohrstutzens 5 festsetzbar und durch ein auf den Auslaufrohrstutzen 5 aufgeschraubtes Ventil 11 verschließbar sowie zum Zwecke der Entleerung zu öffnen ist. Aus der Fig. 2 entnimmt man, daß die mit dem Füllgut vollständig oder teilweise gefüllte Folienblase 2 mit ihrer Oberseite frei von der Behälterdeckelöffnung 9 in dem Außenbehälter 1 angeordnet ist.The film bubble 2 has a hose connector 10 which can be fixed on the outer edge of the outlet pipe connector 5 and can be closed by a valve 11 screwed onto the outlet pipe connector 5 and opened for the purpose of emptying. From FIG. 2 it can be seen that the film bubble 2, which is completely or partially filled with the filling material, is arranged with its top side free of the container lid opening 9 in the outer container 1.

Die Folienblase 2 weist eine obere Befüllöffnung 14 auf, die zum Zwecke der Befüllung an die Behälterdeckelöffnung 9 anschließbar und danach verschließbar und von der Behälterdeckelöffnung 9 abnehmbar ist. - Es versteht sich, daß zum Einbringen der Folienblase 2 in den Außenbehälter 1 mit geeigneten Hilfsvorrichtungen gearbeitet werden kann, die nicht dargestellt wurden.The film bubble 2 has an upper filling opening 14, which can be connected to the container lid opening 9 for the purpose of filling and then closed and removed from the container lid opening 9. - It goes without saying that for the introduction of the film bubble 2 in the outer container 1 can be worked with suitable auxiliary devices, which have not been shown.

Claims (1)

  1. A method of filling and emptying a container unit for the transport and for the storage of liquid or pulverulent filling material,
       having a supporting outer container (1) made of synthetic thermoplastic material and an inner container constructed as a film blister (2), which is matched to the interior space of the outer container (1), wherein the outer container (1) has a tubular outlet connection piece (5) in its container sidewall (3) in the region of its base (4) for the connection of a fitting and has a sealable container top aperture (9), which is of large diameter compared with the outlet connection piece, in its container top (8), and wherein the film blister (2) leads through an upper filling aperture (14) and a flexible tubular connection piece (10) and is fixed to the outer edge of the tubular outlet connection piece (5),
    wherein the film blister (2) is attached by its upper filling aperture (14) to the container top aperture (9) for the purpose of filling and is sealed after filling, and wherein emptying is effected with the aid of a valve (11) which is screwed on to the tubular outlet connection piece (5), characterised in that the film blister (2) is removed from the container top aperture (9) after filling so that the film blister (2), which is completely or partially filled with the filling material, is disposed during transport with its top surface free from the container top aperture (9) in the outer container (1).
EP89115604A 1988-09-08 1989-08-24 Container assembly for the transport and storage of liquid or powdery products Expired - Lifetime EP0358053B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3830487 1988-09-08
DE3830487 1988-09-08

Publications (3)

Publication Number Publication Date
EP0358053A2 EP0358053A2 (en) 1990-03-14
EP0358053A3 EP0358053A3 (en) 1990-10-24
EP0358053B1 true EP0358053B1 (en) 1995-07-19

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EP89115604A Expired - Lifetime EP0358053B1 (en) 1988-09-08 1989-08-24 Container assembly for the transport and storage of liquid or powdery products

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US (1) US5067636A (en)
EP (1) EP0358053B1 (en)
JP (1) JP2954950B2 (en)
CN (1) CN1019182B (en)
AT (1) ATE125229T1 (en)
AU (1) AU628851B2 (en)
BR (1) BR8904502A (en)
CA (1) CA1329154C (en)
DE (1) DE58909348D1 (en)
ES (1) ES2075017T3 (en)
IN (1) IN171946B (en)
MX (1) MX171931B (en)

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Also Published As

Publication number Publication date
AU4116589A (en) 1990-03-15
CA1329154C (en) 1994-05-03
EP0358053A2 (en) 1990-03-14
CN1019182B (en) 1992-11-25
DE58909348D1 (en) 1995-08-24
AU628851B2 (en) 1992-09-24
ATE125229T1 (en) 1995-08-15
IN171946B (en) 1993-02-13
MX171931B (en) 1993-11-24
ES2075017T3 (en) 1995-10-01
US5067636A (en) 1991-11-26
JPH02191171A (en) 1990-07-27
JP2954950B2 (en) 1999-09-27
CN1040966A (en) 1990-04-04
BR8904502A (en) 1990-04-24
EP0358053A3 (en) 1990-10-24

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