EP1658626B1 - Switchgear with a conductor connection created by means of a ring cable lug - Google Patents

Switchgear with a conductor connection created by means of a ring cable lug Download PDF

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Publication number
EP1658626B1
EP1658626B1 EP04741272A EP04741272A EP1658626B1 EP 1658626 B1 EP1658626 B1 EP 1658626B1 EP 04741272 A EP04741272 A EP 04741272A EP 04741272 A EP04741272 A EP 04741272A EP 1658626 B1 EP1658626 B1 EP 1658626B1
Authority
EP
European Patent Office
Prior art keywords
switching device
holder
component
clamping point
cable lug
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 - Fee Related
Application number
EP04741272A
Other languages
German (de)
French (fr)
Other versions
EP1658626A1 (en
Inventor
Johann Drexler
Daniela Streble
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1658626A1 publication Critical patent/EP1658626A1/en
Application granted granted Critical
Publication of EP1658626B1 publication Critical patent/EP1658626B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
    • H01H2011/0037—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts with removable or replaceable terminal blocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position

Definitions

  • the invention relates to a switching device with a conductor connection by means of a ring cable lug, which has a preassembled module comprising a holder and a combination screw held by the latter, which together with a connection piece forms a clamping point for a conductor connection by means of a ring cable lug.
  • Such a switching device with a terminal device is made DE 196 14 371 A1 known.
  • the terminal device here has a lid in which a plurality of terminal screws are held.
  • the terminal screws each consist of a screw, an L-shaped washer, which is loosely and rotatably supported, and a spring washer.
  • the L-shaped washer has a shim portion and a guide plate portion projecting at right angles thereto.
  • the terminal screws for closing and opening a formed with a terminal strip terminal point are performed, which is designed for conductor connection by means of ring cable lug.
  • a coupling jaw is provided at the installation of each terminal screw, the tip holds the respective terminal screw in the open state of the terminal point.
  • the terminal screw After loosening the clamping point, the terminal screw must be brought into the position by means of a suitable additional tool in the position in which it is held by the tip of the coupling jaw in the open state for re-connection of a conductor by means of ring cable lug.
  • the assembly comprises a holder and a screw held by the latter, which together with a connection piece forms a clamping point by means of a ring cable lug.
  • the holder is movable between an open and closed state by a rotational movement and acted upon by a spring element which holds it in the open state when the clamping point is released.
  • the invention has for its object to improve a switching device of the type mentioned above to the effect that a simple and secure attachment of a conductor connection is achieved by means of ring cable lug.
  • the object is achieved in that the holder is linearly movable between an open and closed state of the clamping point and is acted upon by a spring element, which keeps it in the opened state with dissolved clamping point.
  • This makes it possible to make a new connection of a conductor by means of ring cable lug after loosening the terminal point, without an additional tool is needed. This is a significant advantage for the assembly, which significantly reduces the time required and thus the cost.
  • a further advantageous embodiment of the invention is when the assembly is guided and held by guide grooves during assembly. This design not only ensures safe guidance during assembly, but also a good mounting of the assembly.
  • FIG. 1 shows a holder 1 and a combination screw 2 in unassembled state.
  • the holder 1 has to receive the combination screw 2 a round, the screw head adapted opening.
  • the associated mounting direction is indicated by the arrow a.
  • a spring element 3 is in the direction indicated by arrow b in FIG. 2 captive pushed onto a lower extension with latching hooks 4 of the holder 1.
  • the holder 1 also has on opposite side surfaces guide grooves 8 to the preassembled module 5 according to FIG. 3 inserted into a correspondingly formed connection chamber of a housing with side walls 7 in the direction of arrow c.
  • the side walls 7 are equipped with guide webs 14.
  • the guide webs 14 also serve to hold the assembly 5 in the housing 6.
  • the housing 6 of the switching device 13 according to the invention has according to FIG. 3 several such connection chambers, in each of which an assembly 5 of the above-described design for conductor connection by means of ring cable lug can be inserted.
  • the entire unit of housing 6 with the inserted assemblies is referred to as a clamping device 9 ( FIG. 4 ).
  • FIG. 5 shows in cross section the clamping device 9 with the assembly 5 in the mounted state, which is locked captive in the housing 6 via a latching hook 10.
  • the connecting piece 11 is arranged, which forms together with the combination screw 2 a clamping point for the conductor connection by means of ring cable lug.
  • FIG. 5 also shows the position of the module before the clamping device is plugged onto the device as a connection module (alternative 1).
  • FIG. 6 shows the terminal point in the open state, ie the distance d for the mounting of the ring cable lug is given.
  • a constriction 12 is provided in the housing 6, on which the spring element 3 is supported (alternative 2).
  • the clamping point is in the closed state, ie the screw 2 is screwed into the thread of the connector 11.
  • FIG. 8 shows in cross section a section of the switching device 13 with a snapped clamping device 9 after FIG. 5 in which the spring element 3 is biased by the switching device 13.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Patch Boards (AREA)

Abstract

The invention relates to a switchgear with a conductor connection created by means of a ring cable lug, said switchgear comprising a pre-mounted structural component provided with a holder and a screw with a washer assembly which is held by the holder and forms, together with a connection part, a clamping point for a conductor connection created by means of a ring shoe lug. The holder (1) can be displaced between an open position and a closed position of the clamping point, and is subjected to the action of a spring element (3) that holds it in the open position when the clamping point is released.

Description

Die Erfindung betrifft ein Schaltgerät mit Leiteranschluss mittels Ringkabelschuh, das eine vormontierte Baugruppe aufweist, umfassend einen Halter und eine von diesem gehaltene Kombischraube, die zusammen mit einem Anschlussstück eine Klemmstelle für einen Leiteranschluss mittels Ringkabelschuh bildet.The invention relates to a switching device with a conductor connection by means of a ring cable lug, which has a preassembled module comprising a holder and a combination screw held by the latter, which together with a connection piece forms a clamping point for a conductor connection by means of a ring cable lug.

Ein derartiges Schaltgerät mit einer Anschlussklemmvorrichtung ist aus DE 196 14 371 A1 bekannt. Die Anschlussklemmvorrichtung weist hier einen Deckel auf, in dem mehrere Anschlussklemmschrauben gehalten sind. Die Anschlussklemmschrauben bestehen jeweils aus einer Schraube, einer L-förmigen Beilagscheibe, die locker und drehbar gehaltert ist, und einer Federscheibe. Die L-förmige Beilagscheibe weist einen Beilagenabschnitt und einen hierzu rechtwinklig abstehenden Führungsplattenabschnitt auf. Über diesen sind die Anschlussklemmschrauben zum Schließen und Öffnen einer mit einem Anschlussklemmenstreifen gebildeten Klemmstelle geführt, die zum Leiteranschluss mittels Ringkabelschuh ausgebildet ist. Im Deckel ist am Einbauort jeder Anschlussklemmenschraube eine Kupplungsklaue vorgesehen, deren Spitze die jeweilige Anschlussklemmenschraube in geöffnetem Zustand der Klemmstelle hält. Nach Lösen der Klemmstelle muss zum Neuanschluss eines Leiters mittels Ringkabelschuh die Anschlussklemmenschraube mittels eines geeigneten Zusatzwerkzeugs in die Position gebracht werden, in der sie von der Spitze der Kupplungsklaue in geöffnetem Zustand gehalten wird. Der Deckel bildet mit den Anschlussklemmenschrauben eine Baugruppe, die im Gehäuse des Schaltgeräts verrastet ist.Such a switching device with a terminal device is made DE 196 14 371 A1 known. The terminal device here has a lid in which a plurality of terminal screws are held. The terminal screws each consist of a screw, an L-shaped washer, which is loosely and rotatably supported, and a spring washer. The L-shaped washer has a shim portion and a guide plate portion projecting at right angles thereto. About this the terminal screws for closing and opening a formed with a terminal strip terminal point are performed, which is designed for conductor connection by means of ring cable lug. In the cover a coupling jaw is provided at the installation of each terminal screw, the tip holds the respective terminal screw in the open state of the terminal point. After loosening the clamping point, the terminal screw must be brought into the position by means of a suitable additional tool in the position in which it is held by the tip of the coupling jaw in the open state for re-connection of a conductor by means of ring cable lug. The cover, together with the terminal screws, forms an assembly which is locked in the housing of the switchgear.

Aus der US 4,040,715 ist eine vormontierte Baugruppe zum Leiteranschluss mittels Ringkabelschuh bekannt. Die Baugruppe umfasst einen Halter und eine von diesem gehaltene Schraube, die zusammen mit einem Anschlussstück eine Klemmstelle mittels Ringkabelschuh bildet. Der Halter ist zwischen einem geöffneten und geschlossenen Zustand durch eine Drehbewegung bewegbar und mit einem Federelement beaufschlagt, das ihn bei gelöster Klemmstelle im geöffneten Zustand hält.From the US 4,040,715 is a preassembled module for conductor connection by means of ring cable lug known. The assembly comprises a holder and a screw held by the latter, which together with a connection piece forms a clamping point by means of a ring cable lug. The holder is movable between an open and closed state by a rotational movement and acted upon by a spring element which holds it in the open state when the clamping point is released.

Der Erfindung liegt die Aufgabe zugrunde, ein Schaltgerät der oben genannten Art dahingehend zu verbessern, dass eine einfache und sichere Befestigung eines Leiteranschlusses mittels Ringkabelschuh erreicht wird.The invention has for its object to improve a switching device of the type mentioned above to the effect that a simple and secure attachment of a conductor connection is achieved by means of ring cable lug.

Die Aufgabe wird dadurch gelöst, dass der Halter zwischen einem geöffneten und geschlossenen Zustand der Klemmstelle linear bewegbar ist und mit einem Federelement beaufschlagt ist, das ihn bei gelöster Klemmstelle im geöffneten Zustand hält. Damit ist es möglich, nach Lösen der Klemmstelle einen Neuanschluss eines Leiters mittels Ringkabelschuh vorzunehmen, ohne dass ein Zusatzwerkzeug benötigt wird. Dies ist für die Montage ein erheblicher Vorteil, der den Zeitaufwand und damit auch den Kostenaufwand erheblich reduziert.The object is achieved in that the holder is linearly movable between an open and closed state of the clamping point and is acted upon by a spring element, which keeps it in the opened state with dissolved clamping point. This makes it possible to make a new connection of a conductor by means of ring cable lug after loosening the terminal point, without an additional tool is needed. This is a significant advantage for the assembly, which significantly reduces the time required and thus the cost.

Eine vorteilhafte Weiterbildung der Erfindung besteht, wenn die Baugruppe nicht mit einer Abdeckung versehen ist, da in diesem Falle die Klemmstelle gut sichtbar ist und damit auf einen Blick erkennbar ist, ob die Klemmstelle sich im geöffneten oder geschlossenen Zustand befindet.An advantageous development of the invention is when the assembly is not provided with a cover, as in this case, the nip is clearly visible and thus it is recognizable at a glance, whether the nip is in the open or closed state.

Eine weitere vorteilhafte Weiterbildung der Erfindung besteht, wenn die Baugruppe über Führungsnuten bei der Montage geführt und gehalten ist. Diese Ausführung gewährleistet nicht nur eine sichere Führung bei der Montage, sondern auch eine gute Halterung der Baugruppe.A further advantageous embodiment of the invention is when the assembly is guided and held by guide grooves during assembly. This design not only ensures safe guidance during assembly, but also a good mounting of the assembly.

Ein Ausführungsbeispiel der Erfindung wird im Folgenden anhand einer Zeichnung näher erläutert. Es zeigen:

FIG 1, FIG 2, FIG 3
den Aufbau einer vormontierten Baugruppe zum Leiteranschluss mittels Ringkabelschuh und ihren Einsatz in einem Gehäuse,
FIG 4
eine Klemmeinrichtung mit mehreren Baugruppen in einem Gehäuse,
FIG 5
einen Querschnitt einer Klemmeinrichtung gemäß FIG 4 mit im Gehäuse verrasteter Baugruppe,
FIG 6
eine Klemmeinrichtung mit einer durch ein Federelement bewirkten offenen Klemmstelle,
FIG 7
eine Klemmeinrichtung mit einer Klemmstelle im geschlossenen Zustand,
FIG 8
eine im Schaltgerät eingeschnappte Klemmeinrichtung.
An embodiment of the invention will be explained in more detail below with reference to a drawing. Show it:
FIG. 1, FIG. 2, FIG. 3
the construction of a preassembled module for conductor connection by means of a ring cable lug and its use in a housing,
FIG. 4
a clamping device with a plurality of assemblies in a housing,
FIG. 5
a cross section of a clamping device according to FIG. 4 with housing latched in the housing,
FIG. 6
a clamping device with an open clamping point caused by a spring element,
FIG. 7
a clamping device with a clamping point in the closed state,
FIG. 8
a snapped in the switching device clamping device.

FIG 1 zeigt einen Halter 1 und eine Kombischraube 2 in unmontiertem Zustand. Der Halter 1 weist zur Aufnahme der Kombischraube 2 eine runde, dem Schraubenkopf angepasste Öffnung auf. Die zugehörige Montagerichtung ist durch den Pfeil a angegeben. Ein Federelement 3 wird in Richtung gemäß Pfeil b in FIG 2 unverlierbar auf einen unteren Fortsatz mit Rasthaken 4 des Halters 1 aufgeschoben. Der Halter 1 weist außerdem auf gegenüberliegenden Seitenflächen Führungsnuten 8 auf, um die vormontierte Baugruppe 5 gemäß FIG 3 in eine entsprechend ausgebildete Anschlusskammer eines Gehäuses mit Seitenwänden 7 in Richtung des Pfeils c geführt einzuschieben. Hierzu sind die Seitenwände 7 mit Führungsstegen 14 ausgestattet. Die Führungsstege 14 dienen auch dazu, die Baugruppe 5 im Gehäuse 6 zu halten. Das Gehäuse 6 des erfindungsgemäßen Schaltgeräts 13 weist gemäß FIG 3 mehrere solche Anschlusskammern auf, in die jeweils eine Baugruppe 5 der oben beschriebenen Gestaltung zum Leiteranschluss mittels Ringkabelschuh einsteckbar ist. Die gesamte Einheit von Gehäuse 6 mit den eingeschobenen Baugruppen wird als Klemmeinrichtung 9 bezeichnet (FIG 4). FIG. 1 shows a holder 1 and a combination screw 2 in unassembled state. The holder 1 has to receive the combination screw 2 a round, the screw head adapted opening. The associated mounting direction is indicated by the arrow a. A spring element 3 is in the direction indicated by arrow b in FIG. 2 captive pushed onto a lower extension with latching hooks 4 of the holder 1. The holder 1 also has on opposite side surfaces guide grooves 8 to the preassembled module 5 according to FIG. 3 inserted into a correspondingly formed connection chamber of a housing with side walls 7 in the direction of arrow c. For this purpose, the side walls 7 are equipped with guide webs 14. The guide webs 14 also serve to hold the assembly 5 in the housing 6. The housing 6 of the switching device 13 according to the invention has according to FIG. 3 several such connection chambers, in each of which an assembly 5 of the above-described design for conductor connection by means of ring cable lug can be inserted. The entire unit of housing 6 with the inserted assemblies is referred to as a clamping device 9 ( FIG. 4 ).

FIG 5 zeigt im Querschnitt die Klemmeinrichtung 9 mit der Baugruppe 5 im montierten Zustand, die im Gehäuse 6 unverlierbar über einen Rasthaken 10 verrastet ist. Am Boden des Gehäuses 6 ist das Anschlussstück 11 angeordnet, das zusammen mit der Kombischraube 2 eine Klemmstelle für den Leiteranschluss mittels Ringkabelschuh bildet. FIG 5 zeigt auch die Lage der Baugruppe bevor die Klemmeinrichtung als Anschlussmodul auf das Gerät aufgesteckt wird (Alternative 1). FIG 6 zeigt die Klemmstelle im geöffneten Zustand, d.h. der Abstand d für die Montage des Ringkabelschuhs ist vorgegeben.
Um die Kombischraube 2 gemäß FIG 6 im geöffneten Zustand der Klemmstelle zu halten, der die Einführung eines Ringkabelschuhs zum elektrischen Anschluss eines mit diesem verbundenen elektrischen Leiters ermöglicht, ist im Gehäuse 6 eine Engstelle 12 vorgesehen, an der sich das Federelement 3 abstützt (Alternative 2). FIG. 5 shows in cross section the clamping device 9 with the assembly 5 in the mounted state, which is locked captive in the housing 6 via a latching hook 10. At the bottom of the housing 6, the connecting piece 11 is arranged, which forms together with the combination screw 2 a clamping point for the conductor connection by means of ring cable lug. FIG. 5 also shows the position of the module before the clamping device is plugged onto the device as a connection module (alternative 1). FIG. 6 shows the terminal point in the open state, ie the distance d for the mounting of the ring cable lug is given.
To the combination screw 2 according to FIG. 6 to hold in the open state of the terminal point, which allows the introduction of a ring cable lug for electrical connection of an electrical conductor connected to this, a constriction 12 is provided in the housing 6, on which the spring element 3 is supported (alternative 2).

Gemäß FIG 7 befindet sich die Klemmstelle im geschlossenen Zustand, d.h. die Schraube 2 ist in das Gewinde des Anschlussstücks 11 eingedreht.According to FIG. 7 the clamping point is in the closed state, ie the screw 2 is screwed into the thread of the connector 11.

FIG 8 zeigt im Querschnitt einen Ausschnitt des Schaltgeräts 13 mit einer aufgeschnappten Klemmeinrichtung 9 nach FIG 5, bei dem das Federelement 3 durch das Schaltgerät 13 vorgespannt wird. FIG. 8 shows in cross section a section of the switching device 13 with a snapped clamping device 9 after FIG. 5 in which the spring element 3 is biased by the switching device 13.

Claims (6)

  1. Switching device (13) for the connection of a conductor by means of a ring terminal, which switching device (13) has a preassembled component (5), comprising a holder (1) and a screw-with-washer assembly (2) which is held by said holder (1) and forms, together with a connection piece (11), a clamping point for a conductor connection by means of a ring terminal, the holder (1) being capable of moving linearly between an open and a closed state of the clamping point and having a spring element (3) applied to it which holds it in the open state when the clamping point is released.
  2. Switching device according to Claim 1, the component (5) not being provided with a cover.
  3. Switching device according to Claim 1 or 2, the component (5) being guided and held via guide grooves (8) during assembly.
  4. Switching device according to Claim 1, 2 or 3, the complete clamping device (9) being in the form of a module, the switching device (13) being plugged on, and the spring element (3) being prestressed over a narrow point in the switching device (13).
  5. Switching device according to one of the preceding claims, the component (5) being designed to make it possible for the holder (1) to move linearly in the component (5).
  6. Switching device according to Claim 5, the component (5) having one or more guide webs (14) which is/are designed to guide a groove of the holder linearly.
EP04741272A 2003-08-28 2004-07-26 Switchgear with a conductor connection created by means of a ring cable lug Expired - Fee Related EP1658626B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10339670A DE10339670B4 (en) 2003-08-28 2003-08-28 Clamping device and thus equipped switching device for conductor connection by means of ring cable lug
PCT/EP2004/008350 WO2005029520A1 (en) 2003-08-28 2004-07-26 Switchgear with a conductor connection created by means of a ring cable lug

Publications (2)

Publication Number Publication Date
EP1658626A1 EP1658626A1 (en) 2006-05-24
EP1658626B1 true EP1658626B1 (en) 2009-04-08

Family

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EP04741272A Expired - Fee Related EP1658626B1 (en) 2003-08-28 2004-07-26 Switchgear with a conductor connection created by means of a ring cable lug

Country Status (6)

Country Link
US (1) US20070004260A1 (en)
EP (1) EP1658626B1 (en)
JP (1) JP2007504603A (en)
CN (1) CN1839454A (en)
DE (2) DE10339670B4 (en)
WO (1) WO2005029520A1 (en)

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Also Published As

Publication number Publication date
DE502004009324D1 (en) 2009-05-20
DE10339670B4 (en) 2006-02-16
DE10339670A1 (en) 2005-03-31
CN1839454A (en) 2006-09-27
WO2005029520A1 (en) 2005-03-31
JP2007504603A (en) 2007-03-01
EP1658626A1 (en) 2006-05-24
US20070004260A1 (en) 2007-01-04

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