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EP1033328A1 - Fibre reinforced plastic tank container - Google Patents

Fibre reinforced plastic tank container Download PDF

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Publication number
EP1033328A1
EP1033328A1 EP00101519A EP00101519A EP1033328A1 EP 1033328 A1 EP1033328 A1 EP 1033328A1 EP 00101519 A EP00101519 A EP 00101519A EP 00101519 A EP00101519 A EP 00101519A EP 1033328 A1 EP1033328 A1 EP 1033328A1
Authority
EP
European Patent Office
Prior art keywords
tank
cylinder flange
pipe section
ring
container
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
EP00101519A
Other languages
German (de)
French (fr)
Other versions
EP1033328B1 (en
Inventor
Till Gerhard
Peter Dr. Böhm
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.)
WEW Westerwaelder Eisenwerk GmbH
Original Assignee
WEW Westerwaelder Eisenwerk GmbH
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 WEW Westerwaelder Eisenwerk GmbH filed Critical WEW Westerwaelder Eisenwerk GmbH
Publication of EP1033328A1 publication Critical patent/EP1033328A1/en
Application granted granted Critical
Publication of EP1033328B1 publication Critical patent/EP1033328B1/en
Anticipated expiration legal-status Critical
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
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/12—Large containers rigid specially adapted for transport
    • B65D88/128—Large containers rigid specially adapted for transport tank containers, i.e. containers provided with supporting devices for handling

Definitions

  • containers are required that are in the Inside consists of a plastic inert with respect to such media.
  • An interior lining conventional steel or stainless steel tanks with such plastics is due to problems with attaching such a panel to the steel tank wall and because of the different coefficients of thermal expansion in the Practice not feasible.
  • plastic tanks This problem does not exist with plastic tanks. But there is a problem with the installation of plastic tanks in common transport container frames, because plastic tanks are less resilient than steel tanks and therefore more likely to break or crack. Such loads arise in particular due to transport impacts as well as from a possibly different Thermal expansion between the plastic tank and the steel container frame.
  • the preamble of claim 1 corresponds to a tank intended for installation in a container frame with end rings that are made of a cylinder flange attached to the tank and a screwed to it, pipe section leading to the end group of the frame. With this tank but all parts are made of metal, so that the problem mentioned above does not exist.
  • the invention is based on the general problem of difficulties as they occur with comparable prior art, at least partially eliminate. A more specific task can be seen in taking up high purity or aggressive goods suitable tank for installation in a container frame.
  • the solution to this problem according to the invention is specified in claim 1.
  • the one provided thereafter consisting of an optionally fiber-reinforced plastic
  • the tank is at both ends with integrally molded end rings provided, in turn connectable to the end groups of a container frame metallic pipe sections are inserted and located in the axial direction on a Support the thrust element attached to the pipe section.
  • the plastic tank is thereby positively embedded between the push elements and thus in the frame.
  • connection between the molded end ring and the pipe section consist of a press fit and / or an adhesive, which thereby arises that when the end ring is formed, the metallic pipe section is included and the plastic face ring when hardening on the metallic cylinder shrink and the resins used to make the brow ring in addition glue to the metallic pipe section. Also a subsequent gluing of the pipe section is possible.
  • Claim 3 describes a particularly production-friendly version of the Brow ring, in which the tank end and the metallic pipe section also serve as the core of the cylinder flange consisting of a fiber-reinforced plastic laminate winding serve and so special manufacturing models can be omitted.
  • the invention allows axial forces occurring to be low in stress and to be introduced tangentially into the container jacket.
  • the tank container shown in FIG. 1 consists of a frame which essentially has two end groups 10 with corner fittings 11 and a floor group 12 connecting the end groups 10 , and a tank 13 which is connected to the two end groups of the container frame by means of end saddle arrangements 14 .
  • the saddle arrangements are designed, for example, in accordance with DE 32 12 696 A1 and comprise an essentially cylindrical end ring 15 connected to the tank 13 and a saddle ring 16 with an L-shaped cross section inserted between the end group 10 and the end ring 15 .
  • each end ring 15 is constructed from a cylinder flange 20 which is produced in one piece with the tank 13 and from a metallic pipe section 21 connected to the latter.
  • the tank 13 is wound from fiber-reinforced plastic, the two cylinder flanges 20 being wound during manufacture.
  • a thrust ring 23 is welded onto each pipe section 21 .
  • the clear axial distance between the thrust rings 23 provided on both sides is equal to the axial distance between the outer end edges 22 of the two cylinder flanges 20 .
  • connection between this plastic cylinder flange 20 and the metallic tube section 21 takes place in each case via a positive connection between the thrust ring 23 and end edge 22 , a press fit 30 , an adhesive 30 or combinations thereof.
  • the push ring 23 can be dispensed with.
  • connection shown in Figure 2 is designed as a fixed bearing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

The frame has one or more longitudinal keel beams (12) resting on the floor and holding bracing struts connected to end frames (10). The frames have corner plates (11) and hold profiled ring frames (15) which engage the ends of the tank at the joins between the ends of the cylindrical portion and the dished ends.

Description

Für Transport und Lagerung bestimmter Güter, insbesondere korrosiver und hochreiner Chemikalien oder sonstiger Medien, sind Behälter efforderlich, die im Innern aus einem bezüglich solcher Medien inerten Kunststoff besteht. Eine Innenverkleidung herkömmlicher Stahl- oder Edelstahltanks mit derartigen Kunststoffen ist infolge von Problemen bei der Befestigung einer solchen Verkleidung an der Stahl-Tankwand und wegen der unterschiedlichen Wärmeausdehnungskoeffizienten in der Praxis nicht realisierbar.For the transport and storage of certain goods, especially corrosive and high-purity chemicals or other media, containers are required that are in the Inside consists of a plastic inert with respect to such media. An interior lining conventional steel or stainless steel tanks with such plastics is due to problems with attaching such a panel to the steel tank wall and because of the different coefficients of thermal expansion in the Practice not feasible.

Bei Kunststofftanks besteht diese Schwierigkeit nicht. Dafür ergibt sich aber ein Problem beim Einbau von Kunststofftanks in übliche Transport-Containerrahmen, da Kunststofftanks im Vergleich zu Stahltanks weniger belastbar sind und daher leichter zu Bruch oder Rißbildung neigen. Derartige Belastungen ergeben sich insbesondere infolge von Transportstößen sowie aus einer möglicherweise unterschiedlichen Wärmeausdehnung zwischen dem Kunststofftank und dem Stahl-Containerrahmen.This problem does not exist with plastic tanks. But there is a problem with the installation of plastic tanks in common transport container frames, because plastic tanks are less resilient than steel tanks and therefore more likely to break or crack. Such loads arise in particular due to transport impacts as well as from a possibly different Thermal expansion between the plastic tank and the steel container frame.

Dem Oberbegriff des Anspruchs 1 entspricht ein auf dem Markt befindlicher, zum Einbau in einen Containerrahmen vorgesehener Tank mit Stirnringen, die aus einem am Tank ansetzenden Zylinderflansch und einem mit diesem verschraubten, zur Stirngruppe des Rahmens führenden Rohrabschnitt bestehen. Bei diesem Tank sind aber sämtliche Teile aus Metall gefertigt, so daß die oben erwähnte Problematik nicht besteht.The preamble of claim 1 corresponds to a tank intended for installation in a container frame with end rings that are made of a cylinder flange attached to the tank and a screwed to it, pipe section leading to the end group of the frame. With this tank but all parts are made of metal, so that the problem mentioned above does not exist.

Der Erfindung liegt die generelle Aufgabe zugrunde, Schwierigkeiten, wie sie bei vergleichbarem Stand der Technik auftreten, mindestens teilweise zu beseitigen. Eine speziellere Aufgabe kann darin gesehen werden, einen zur Aufnahme hochreiner oder aggressiver Güter geeigneten Tank zum Einbau in einen Containerrahmen anzugeben.The invention is based on the general problem of difficulties as they occur with comparable prior art, at least partially eliminate. A more specific task can be seen in taking up high purity or aggressive goods suitable tank for installation in a container frame.

Die erfindungsgemäße Lösung dieser Aufgabe ist im Anspruch 1 angegeben. Der danach vorgesehene, aus einem gegebenenfalls faserverstärkten Kunststoff bestehende Tank ist an seinen beiden Enden mit einstückig angeformten Stirnringen versehen, in die ihrerseits an die Stirngruppen eines Containerrahmens anschließbare metallische Rohrabschnitte eingefügt sind und die sich in axialer Richtung an einem auf dem Rohrabschnitt angebrachten Schubelement abstützen. Der Kunststofftank ist dabei formschlüssig zwischen den Schubelementen und damit in den Rahmen eingelagert. The solution to this problem according to the invention is specified in claim 1. The one provided thereafter, consisting of an optionally fiber-reinforced plastic The tank is at both ends with integrally molded end rings provided, in turn connectable to the end groups of a container frame metallic pipe sections are inserted and located in the axial direction on a Support the thrust element attached to the pipe section. The plastic tank is thereby positively embedded between the push elements and thus in the frame.

Diese Ausführung ist bei höchsten Reinheitsanforderungen hinsichtlich der Metallfreiheit des Innenbehälters bei der Kunststoffbehälterfertigung vorteilhaft, da schon die Anwesenheit großer metallischer Werkstücke im Kunststoffertigungsbereich diesen für bestimmte Reinheitsanforderungen dauerhaft ungeeignet machen kann. Nach der vollständigen Fertigstellung und einer abschließenden Versiegelung des Behälters in einem metallfreien Bereich ermöglicht die Ausführung nach Anspruch 1, den Tank dann in einem "metallischen" Fertigungsbereich über die Rohrabschnitte mit dem Rahmen zu verbinden, ohne den Tankinnenraum zu verunreinigen.This version meets the highest purity requirements in terms of Metal freedom of the inner container advantageous in plastic container production, because even the presence of large metallic workpieces in the plastics production area make it permanently unsuitable for certain purity requirements can. After completion and a final seal of the container in a metal-free area enables execution according to claim 1, the tank then in a "metallic" manufacturing area over the pipe sections connect to the frame without contaminating the tank interior.

Nach Anspruch 2 kann die Verbindung zwischen dem angeformten Stirnring und dem Rohrabschnitt aus einem Preßsitz und/oder einer Klebung bestehen, die dadurch entsteht, daß beim Anformen des Stirnrings der metallische Rohrabschnitt miterfaßt wird und der Kunststoffstirnring beim Aushärten auf den metallischen Zylinder aufschrumpft und die zur Herstellung des Stirnringes verwendeten Harze zusätzlich mit dem metallischen Rohrabschnitt verkleben. Auch ein nachträgliches Einkleben des Rohrabschnitts ist möglich.According to claim 2, the connection between the molded end ring and the pipe section consist of a press fit and / or an adhesive, which thereby arises that when the end ring is formed, the metallic pipe section is included and the plastic face ring when hardening on the metallic cylinder shrink and the resins used to make the brow ring in addition glue to the metallic pipe section. Also a subsequent gluing of the pipe section is possible.

Anspruch 3 beschreibt eine besonders fertigungsfreundliche Ausführung des Stirnrings, bei dem das Tankende und der metallische Rohrabschnitt auch als Kern des aus einer faserverstärkten Kunststofflaminatwicklung bestehenden Zylinderflansches dienen und so besondere Fertigungsmodelle entfallen können.Claim 3 describes a particularly production-friendly version of the Brow ring, in which the tank end and the metallic pipe section also serve as the core of the cylinder flange consisting of a fiber-reinforced plastic laminate winding serve and so special manufacturing models can be omitted.

Die Hauptvorteile der Ausgestaltung nach Anspruch 2 und 3 liegen darin, daß bereits bei der Herstellung des Kunststofftanks in seinen Stirnring ein dort herausragender Metallzylinder integriert werden kann, der dann unter Ausgleich von Fertigungstoleranzen in bewährter Weise mit einem Tankcontainerrahmen verschweißt werden kann.The main advantages of the embodiment according to claims 2 and 3 are that already in the manufacture of the plastic tank in its front ring an outstanding one there Metal cylinder can be integrated, which then compensates for manufacturing tolerances welded in a proven manner to a tank container frame can be.

Die Erfindung erlaubt es, auftretende Axialkräfte spannungsspitzenarm und tangential in den Behältermantel einzuleiten.The invention allows axial forces occurring to be low in stress and to be introduced tangentially into the container jacket.

Ein bevorzugtes Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnungen näher erläutert. Darin zeigen

Figur 1
eine Seitenansicht eines in einen Containerrahmen eingefügten Containertanks,
Figur 2
eine vergrößerte Schnittdarstellung des Bereichs 1 in Figur 1.
A preferred embodiment of the invention is explained below with reference to the drawings. Show in it
Figure 1
a side view of a container tank inserted into a container frame,
Figure 2
an enlarged sectional view of area 1 in Figure 1.

Der in Figur 1 gezeigte Tankcontainer besteht aus einem Rahmen, der im wesentlichen zwei Stirngruppen 10 mit Eckbeschlägen 11 und eine die Stirngruppen 10 verbindende Bodengruppe 12 aufweist, und einem Tank 13, der über stirnseitige Sattelanordnungen 14 mit den beiden Stirngruppen des Containerrahmens verbunden ist. Die Sattelanordnungen sind beispielsweise entsprechend DE 32 12 696 A1 gestaltet und umfassen einen mit dem Tank 13 verbundenen, im wesentlichen zylindrischen Stirnring 15 und einem zwischen die Stirngruppe 10 und den Stirnring 15 eingefügten, im Querschnitt L-förmigen Sattelring 16.The tank container shown in FIG. 1 consists of a frame which essentially has two end groups 10 with corner fittings 11 and a floor group 12 connecting the end groups 10 , and a tank 13 which is connected to the two end groups of the container frame by means of end saddle arrangements 14 . The saddle arrangements are designed, for example, in accordance with DE 32 12 696 A1 and comprise an essentially cylindrical end ring 15 connected to the tank 13 and a saddle ring 16 with an L-shaped cross section inserted between the end group 10 and the end ring 15 .

Wie aus Figur 2 ersichtlich, ist jeder Stirnring 15 aus einem mit dem Tank 13 einstückig hergestellten Zylinderflansch 20 und einem mit diesem verbundenen metallischen Rohrabschnitt 21 aufgebaut. Der Tank 13 ist aus faserverstärktem Kunststoff gewickelt, wobei die beiden Zylinderflansche 20 bei der Herstellung mitgewickelt werden.As can be seen from FIG. 2, each end ring 15 is constructed from a cylinder flange 20 which is produced in one piece with the tank 13 and from a metallic pipe section 21 connected to the latter. The tank 13 is wound from fiber-reinforced plastic, the two cylinder flanges 20 being wound during manufacture.

Auf jeden Rohrabschnitt 21 ist ein Schubring 23 aufgeschweißt. Der axiale lichte Abstand zwischen den auf beiden Seiten vorhandenen Schubringen 23 ist gleich dem axialen Abstand zwischen den äußeren Stirnkanten 22 der beiden Zylinderflansche 20.A thrust ring 23 is welded onto each pipe section 21 . The clear axial distance between the thrust rings 23 provided on both sides is equal to the axial distance between the outer end edges 22 of the two cylinder flanges 20 .

Die Verbindung zwischen diesem Kunststoff-Zylinderflansch 20 und dem metallischen Rohrabschnitt 21 erfolgt jeweils über einen Formschluß zwischen Schubring 23 und Stirnkante 22, einen Preßsitz 30, eine Klebung 30 oder Kombinationen daraus. Bei einer hinreichend sicheren Preß- oder Klebeverbindung kann auf den Schubring 23 verzichtet werden.The connection between this plastic cylinder flange 20 and the metallic tube section 21 takes place in each case via a positive connection between the thrust ring 23 and end edge 22 , a press fit 30 , an adhesive 30 or combinations thereof. With a sufficiently secure press or adhesive connection, the push ring 23 can be dispensed with.

Die in Figur 2 gezeigte Verbindung ist als Festlager ausgebildet.The connection shown in Figure 2 is designed as a fixed bearing.

Claims (3)

Containertank, der an seinen beiden Enden mit einem Stirnring (15) zur Verbindung mit der betreffenden Stirngruppe eines Containerrahmens (10-12) versehen ist, wobei jeder Stirnring einen am Tank (13) ansetzenden Zylinderflansch (20), einen mit diesem überlappend verbundenen und zu der betreffenden Stirngruppe (10) führenden metallischen Rohrabschnitt (21), und ein der Stirnkante des Zylinderflansches gegenüber am Rohrabschnitt angebrachtes Stützteil (23) umfaßt,
   dadurch gekennzeichnet, daß der Tank (13) mit den beiden Zylinderflanschen (20) einstückig aus einem gegebenenfalls faserverstärkten Kunststoff besteht, und daß das Stützteil als Schubring (23) ausgebildet ist, der an der Stirnkanten (22) des betreffenden Zylinderflanschs (20) anliegt. Container tank, which is provided at both ends with an end ring (15) for connection to the relevant end group of a container frame (10-12) , each end ring having a cylinder flange (20) attached to the tank (13 ) , one connected to it overlapping and metallic pipe section (21 ) leading to the relevant end group (10) and comprising a support part (23) attached to the pipe section opposite the end edge of the cylinder flange,
characterized by that the tank (13) with the two cylinder flanges (20) consists in one piece of an optionally fiber-reinforced plastic, and that the support part is designed as a thrust ring (23) which bears against the end edges (22) of the cylinder flange (20) in question . Containertank, der an seinen beiden Enden mit einem Stirnring (15) zur Verbindung mit der betreffenden Stirngruppe eines Containerrahmens (10-12) versehen ist, wobei jeder Stirnring einen am Tank (13) ansetzenden Zylinderflansch (20) und einen mit diesem überlappend verbundenen, zu der betreffenden Stirngruppe (10) führenden, metallischen Rohrabschnitt (21) umfaßt,
   dadurch gekennzeichnet, daß der Zylinderflansch (20) über einen Preßsitz (30) und/oder eine Klebung (30) fest mit dem Rohrabschnitt (21) verbunden ist.Container tank which is provided at both ends with an end ring (15) for connection to the relevant end group of a container frame (10-12) , each end ring having a cylinder flange (20) attached to the tank (13 ) and an overlap connected to it, metallic pipe section (21) leading to the relevant end group (10) ,
characterized in that the cylinder flange (20) is firmly connected to the pipe section (21) by means of a press fit (30) and / or an adhesive (30) . Tank nach Anspruch 1 oder 2, wobei der Zylinderflansch (20) aus einer faserverstärkten Kunststofflaminatwicklung besteht, die das Tankende und den diesem Tankende zugewandten Teil des Rohrabschnitts (21) umfaßt.Tank according to claim 1 or 2, wherein the cylinder flange (20) consists of a fiber-reinforced plastic laminate winding, which comprises the tank end and the part of the tube section (21) facing this tank end.
EP20000101519 1999-02-22 2000-01-26 Fibre reinforced plastic tank container Expired - Lifetime EP1033328B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29903176U DE29903176U1 (en) 1999-02-22 1999-02-22 Container tank
DE29903176U 1999-02-22

Publications (2)

Publication Number Publication Date
EP1033328A1 true EP1033328A1 (en) 2000-09-06
EP1033328B1 EP1033328B1 (en) 2004-10-27

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ID=8069784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000101519 Expired - Lifetime EP1033328B1 (en) 1999-02-22 2000-01-26 Fibre reinforced plastic tank container

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EP (1) EP1033328B1 (en)
DE (2) DE29903176U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934619B1 (en) 2008-09-09 2011-05-03 All State Tank Manufacturing, LLC Cable supported multi-chamber waste water tank
DE102012109015B3 (en) * 2012-09-25 2013-12-05 WEW Westerwälder Eisenwerk GmbH tank containers

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20106888U1 (en) * 2001-04-20 2002-08-29 Holvrieka-Nirota B.V., Sneek tank containers
NL2009634C2 (en) * 2012-10-15 2014-04-16 Flax Field Trading B V LIQUID TANK CONTAINER AND METHOD FOR THIS.
NL2010790C2 (en) * 2013-05-13 2014-11-24 Flax Field Trading B V Adapter assembly for a tank container, a tank container provided with such adapter assembly and method for manufacturing such an adapter assembly.
RU205251U1 (en) * 2021-03-09 2021-07-06 Акционерное общество "Рузаевский завод химического машиностроения" (АО "Рузхиммаш") Tank container
RU204634U1 (en) * 2021-03-09 2021-06-02 Акционерное общество "Рузаевский завод химического машиностроения" (АО "Рузхиммаш") Tank container
RU205250U1 (en) * 2021-03-09 2021-07-06 Акционерное общество "Рузаевский завод химического машиностроения" (АО "Рузхиммаш") Tank container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1360365A (en) * 1963-03-29 1964-05-08 Vendeenne D Applic Des Plastiq Plastic tank and its manufacturing process
EP0599546A1 (en) * 1992-11-20 1994-06-01 Henred Fruehauf Trailers (Proprietary) Limited Tank with removable end frames
EP0918024A2 (en) * 1997-11-21 1999-05-26 GB Engineering GmbH & Co. KG Tankcontainer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3212696C2 (en) * 1982-04-05 1985-04-11 Westerwälder Eisenwerk Gerhard GmbH, 5241 Weitefeld Freight container

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1360365A (en) * 1963-03-29 1964-05-08 Vendeenne D Applic Des Plastiq Plastic tank and its manufacturing process
EP0599546A1 (en) * 1992-11-20 1994-06-01 Henred Fruehauf Trailers (Proprietary) Limited Tank with removable end frames
EP0918024A2 (en) * 1997-11-21 1999-05-26 GB Engineering GmbH & Co. KG Tankcontainer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934619B1 (en) 2008-09-09 2011-05-03 All State Tank Manufacturing, LLC Cable supported multi-chamber waste water tank
DE102012109015B3 (en) * 2012-09-25 2013-12-05 WEW Westerwälder Eisenwerk GmbH tank containers

Also Published As

Publication number Publication date
DE50008376D1 (en) 2004-12-02
DE29903176U1 (en) 2000-07-06
EP1033328B1 (en) 2004-10-27

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