EP1734184A1 - Replaceable attachment of a railway slab of a magnetlevtrain to a track support - Google Patents
Replaceable attachment of a railway slab of a magnetlevtrain to a track support Download PDFInfo
- Publication number
- EP1734184A1 EP1734184A1 EP06115417A EP06115417A EP1734184A1 EP 1734184 A1 EP1734184 A1 EP 1734184A1 EP 06115417 A EP06115417 A EP 06115417A EP 06115417 A EP06115417 A EP 06115417A EP 1734184 A1 EP1734184 A1 EP 1734184A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- track
- plate
- anchor
- sleeve
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/10—Ducts
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
- E01B25/305—Rails or supporting constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
Definitions
- the invention relates to the attachment of the track plate on the guideway carrier of a magnetic web
- Anchor bolts which fix the track plate of the magnetic levitation train via bearings on the track carrier, are potted with mortar in the track carrier after the track plates have been adjusted. The bearings and track plates are therefore difficult to replace.
- the object of the invention is to attach the attached via the anchor bolts on Fahrwegmon track plates and thus the bearings interchangeable and simultaneously derive the passed on the anchor bolts occurring forces better in the concrete.
- the anchor bolts (3) run within the guideway support (2) and / or the track plate (1) in tube sleeves 4a, 4b) (preferably filled with lubricating grease (5)), which are designed to be compressible in the longitudinal direction parallel to the anchor screw (3).
- tube sleeves 4a, 4b) preferably filled with lubricating grease (5)
- the tube sleeves (4a, 4b) can also be designed accordion-like.
- FIG. 1 shows by way of example the attachment of a track plate (1) on the track carrier (2) by means of anchor bolts (3) which are guided in compressible tube sleeves (4a, 4b).
- the tube sleeves (4a, 4b) are made in two parts and telescopically slidable.
- the track plate (1) lies with the lower anchor plate (7) of the Fahrwegplattenrohrhülse (4a) via a steel bearing (6) (ie not elastically mounted) on the upper anchor plate (7) of the Fahrweganizenhülse (4b).
- the upper anchor plate (7) of the Fahrwegplattenrohrhülse (4a) is embedded in the concrete of the track plate (1).
- the Fahrweganirohrhülse (4b) passes through the edge region of the guideway carrier (2).
- Your lower anchor plate (7) is abutment for the nut of the anchor bolt (3).
- the anchor plates (7) are preferably made of stainless steel.
- the steel bearing (6) between track plate (1) and guideway support (2) preferably has a PTFE coating and is also preferably also corrosion resistant in stainless steel.
- the armature plates (7) facing the bearing (6) of the track plate tube sleeve (4a) and the track tube sleeve (4b) have a protruding projection (9), which fits into a recess (8) in the steel bearing (6) and depending on the fit to a fixation of the steel bearing (6) with zero (ie no degree of freedom) or one-dimensional mobility to the anchor plate (7) and thus also leads from track plate (1) to guideway support (2).
- Fig. 2 as a section another variant of the storage is shown: Here, the anchor plates (7) no extension (9), but a recess (8), as well as the bearing (6). Dowel disks (11) are then located in the cavities resulting between armature plate (7) and bearing (6) as the sum of the two collisions (8) which meet one another to transmit the horizontal forces.
- dowel plates (11) By using dowel plates (11), the production of the anchor plates (7), which are preferably milled from a piece of solid material, material-saving. It is also possible to use dowel discs (11) made of a completely different material and also easier to exchange.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
Description
Die Erfindung betrifft die Befestigung der Fahrwegplatte am Fahrwegträger einer MagnetswebebahnThe invention relates to the attachment of the track plate on the guideway carrier of a magnetic web
Ankerschrauben, die die Fahrwegplatte der Magnetschwebebahn über Lager am Fahrwegträger befestigen, werden nach der Justierung der Fahrwegplatten mit Mörtel im Fahrwegträger vergossen. Die Lager und Fahrwegplatten sind dadurch nur schwer austauschbar.Anchor bolts, which fix the track plate of the magnetic levitation train via bearings on the track carrier, are potted with mortar in the track carrier after the track plates have been adjusted. The bearings and track plates are therefore difficult to replace.
Aufgabe der Erfindung ist es, die über die Ankerschrauben am Fahrwegträger befestigten Fahrwegplatten und damit auch die Lager austauschbar zu befestigen und gleichzeitig die über die Ankerschrauben weitergereichten auftretenden Kräfte besser in den Beton abzuleiten.The object of the invention is to attach the attached via the anchor bolts on Fahrwegträger track plates and thus the bearings interchangeable and simultaneously derive the passed on the anchor bolts occurring forces better in the concrete.
Die Aufgabe wird durch die im Kennzeichen des Anspruchs 1 angegebenen Merkmale gelöst.The object is solved by the features specified in the characterizing part of
Hierzu verlaufen die Ankerschrauben (3) innerhalb des Fahrwegträgers (2) und/oder der Fahrwegplatte (1) in Rohrhülsen 4a, 4b) (bevorzugt mit Schmierfett (5) gefüllt), die in Längsrichtung parallel zur Ankerschraube (3) komprimierbar ausgestaltet sind. Bevorzugt geschieht dies, indem sie aus mindestens zwei ineinander gesteckten, zueinander verschieblichen Teilen bestehen (wie ein Teleskop). Alternativ können die Rohrhülsen (4a, 4b) aber auch ziehharmonikaartig ausgestaltet sein.For this purpose, the anchor bolts (3) run within the guideway support (2) and / or the track plate (1) in
Wären die Ankerschrauben (3) in nicht komprimierbaren Hülsen geführt, so würden die beim Anziehen der Ankerschrauben (3) wirkenden komprimierenden Kräfte nur auf die Wandung der Hülsen übertragen und führten dort zu Spannungen, sie würden aber nicht in den Beton abgeleitet. Im schlimmsten Falle gäbe die Hülse nach und würde unkontrolliert etwas gestaucht, was durch die dabei auftretenden plötzlichen seitwärts gerichteten Kräfte leicht zu Abplatzungen des Betons führen könnte.If the anchor bolts (3) were guided in non-compressible sleeves, the compressive forces acting upon tightening of the anchor bolts (3) would only be transferred to the wall of the sleeves and would cause tensions there, but they would not be discharged into the concrete. In the worst case, the sleeve would give way and would uncontrollably compressed something, which could easily lead to spalling of the concrete due to the sudden sideways forces occurring.
Wird hingegen eine Ankerschraube (3) in einer erfindungsgemäßen komprimierbaren Hülse (4a, 4b) angezogen, so kann die Rohrhülse (4a, 4b) der komprimierenden Kraft ohne Schaden zu nehmen ausweichen und sich geringfügig verkürzen. Dadurch wird über tellerartige Flächen (7, Ankerplatten) an den Enden der Rohrhülse (4a, 4b) eine komprimierende Kraft auf den zwischen den Ankerplatten (7) liegenden Beton ausgeübt. Damit verhält sich der Beton zwischen den beiden Ankerplatten (7) von seiner Festigkeit ähnlich wie Spannbeton. Er verhält sich wesentlich weniger spröde. Dadurch wiederum wird ein Abplatzen von Beton neben den Rohrhülsen (4a, 4b) verhindert, was also zu einer erhöhten Festigkeit des Betons und damit des Fahrweges der Magnetschwebebahn führt. Dies gibt aber auch die Möglichkeit, die Dimensionen der Verankerung und des Fahrweges bei sonst gleicher Betonqualität günstiger auszulegen.If, however, an anchor bolt (3) is tightened in a compressible sleeve (4a, 4b) according to the invention, then the tubular sleeve (4a, 4b) of the to avoid compressing force without damage and to shorten slightly. As a result, a compressing force is exerted on plate-like surfaces (7, anchor plates) at the ends of the tube sleeve (4a, 4b) on the concrete lying between the anchor plates (7). Thus, the concrete behaves between the two anchor plates (7) of its strength similar to prestressed concrete. He behaves much less brittle. As a result, in turn, a spalling of concrete next to the pipe sleeves (4a, 4b) is prevented, which thus leads to an increased strength of the concrete and thus the driveway of the maglev train. However, this also makes it possible to design the dimensions of the anchoring and of the track more cheaply with otherwise the same concrete quality.
Die Fig.1 zeigt beispielhaft die Befestigung einer Fahrwegplatte (1) auf dem Fahrwegträger (2) mittels Ankerschrauben (3), die in komprimierbaren Rohrhülsen (4a, 4b) geführt sind. Im Beispiel sind die Rohrhülsen (4a, 4b) zweiteilig und teleskopartig ineinander verschieblich ausgestaltet.1 shows by way of example the attachment of a track plate (1) on the track carrier (2) by means of anchor bolts (3) which are guided in compressible tube sleeves (4a, 4b). In the example, the tube sleeves (4a, 4b) are made in two parts and telescopically slidable.
Die Fahrwegplatte (1) liegt mit der unteren Ankerplatte (7) der Fahrwegplattenrohrhülse (4a) über ein Stahllager (6) (also nicht elastisch gelagert) auf der oberen Ankerplatte (7) der Fahrwegträgerrohrhülse (4b) auf. Die obere Ankerplatte (7) der Fahrwegplattenrohrhülse (4a) ist im Beton der Fahrwegplatte (1) einbetoniert.The track plate (1) lies with the lower anchor plate (7) of the Fahrwegplattenrohrhülse (4a) via a steel bearing (6) (ie not elastically mounted) on the upper anchor plate (7) of the Fahrwegträgerrohrhülse (4b). The upper anchor plate (7) of the Fahrwegplattenrohrhülse (4a) is embedded in the concrete of the track plate (1).
Die Fahrwegträgerrohrhülse (4b) durchquert den Randbereich des Fahrwegträgers (2). Ihre untere Ankerplatte (7) ist Widerlager für die Mutter der Ankerschraube (3).The Fahrwegträgerrohrhülse (4b) passes through the edge region of the guideway carrier (2). Your lower anchor plate (7) is abutment for the nut of the anchor bolt (3).
Die Ankerplatten (7) bestehen bevorzugt aus Edelstahl.The anchor plates (7) are preferably made of stainless steel.
Um das Ineinanderschieben der Rohrhülsen (4a, 4b) zu erleichtern, befindet sich am Ende der äußeren Hülse um die innere Hülse herum ein Wulst/Ring (10) aus komprimierbarem Material. Ohne diesen Wulst/Ring (10) würde beim Ineinanderschieben Beton am Ende der äußeren Rohrhülse, oder das Ende der Rohrhülse selbst, zerstört.In order to facilitate the telescoping of the tube sleeves (4a, 4b), located at the end of the outer sleeve around the inner sleeve around a bead / ring (10) made of compressible material. Without this bead / ring (10) would be when nesting concrete at the end of the outer tube sleeve, or the end of the tube sleeve itself, destroyed.
(Im Falle eines ziehharmonikaartigen Aufbaus der komprimierbaren Rohrhülse wäre dieser ziehharmonikaartige Teil bevorzugt von einer dünnen Schicht aus komprimierbarem Material umgeben, um Zerstörungen zu vermeiden.) Das Stahllager (6) zwischen Fahrwegplatte (1) und Fahrwegträger (2) weist bevorzugt eine PTFE-Beschichtung auf und ist zudem bevorzugt ebenfalls korrosionsfest in Edelstahl ausgeführt.(In the case of a concertina-like construction of the compressible tubular sleeve, this accordion-like part would preferably be surrounded by a thin layer of compressible material in order to avoid destruction.) The steel bearing (6) between track plate (1) and guideway support (2) preferably has a PTFE coating and is also preferably also corrosion resistant in stainless steel.
Im Beispiel gemäß Fig.1 weisen die zum Lager (6) gerichteten Ankerplatten (7) von Fahrwegplattenrohrhülse (4a) und Fahrwegträgerrohrhülse (4b) einen vorstehenden Fortsatz (9) auf, der in eine Ausnehmung (8) im Stahllager (6) paßt und je nach Passung zu einer Fixierung des Stahllagers (6) mit null-(also kein Freiheitsgrad) oder eindimensionaler Beweglichkeit zur Ankerplatte (7) und damit auch von Fahrwegplatte (1) zu Fahrwegträger (2) führt.In the example according to FIG. 1, the armature plates (7) facing the bearing (6) of the track plate tube sleeve (4a) and the track tube sleeve (4b) have a protruding projection (9), which fits into a recess (8) in the steel bearing (6) and depending on the fit to a fixation of the steel bearing (6) with zero (ie no degree of freedom) or one-dimensional mobility to the anchor plate (7) and thus also leads from track plate (1) to guideway support (2).
In Fig. 2 ist als Ausschnitt eine andere Variante der Lagerung dargestellt: Hier weisen die Ankerplatten (7) keinen Fortsatz (9), sondern eine Ausnehmung (8) auf, ebenso wie das Lager (6). In den sich dadurch zwischen Ankerplatte (7) und Lager (6) ergebenden Hohlräumen als Summe der beiden aufeinandertreffenden Ausnehmungen (8) befinden sich dann zur Übertragung der Horizontalkräfte Dübelscheiben (11).In Fig. 2 as a section another variant of the storage is shown: Here, the anchor plates (7) no extension (9), but a recess (8), as well as the bearing (6). Dowel disks (11) are then located in the cavities resulting between armature plate (7) and bearing (6) as the sum of the two collisions (8) which meet one another to transmit the horizontal forces.
Durch Verwendung von Dübelscheiben (11) wird die Herstellung der Ankerplatten (7), die bevorzugt aus einem Stück Vollmaterial ausgefräst werden, materialsparender. Außerdem ist es möglich, Dübelscheiben (11) aus einem ganz anderen Material zu verwenden und diese auch leichter auszutauschen.By using dowel plates (11), the production of the anchor plates (7), which are preferably milled from a piece of solid material, material-saving. It is also possible to use dowel discs (11) made of a completely different material and also easier to exchange.
- 11
- Fahrwegplattetrack slab
- 22
- Fahrwegträgerguideway beams
- 33
- Ankerschraubeanchor bolt
- 4a4a
- zweiteilige, ineinander verschiebliche Fahrwegplattenrohrhülsetwo-piece, telescoping Fahrplatteplattenrohrhülse
- 4b4b
- zweiteilige, ineinander verschiebliche Fahrwegträgerrohrhülsetwo-piece, telescoping guideway tube sleeve
- 55
- KorrosionsschutzfettAnti-Corrosion Grease
- 66
- Stahllagersteel bearings
- 77
- Ankerplatteanchor plate
- 88th
- Ausnehmung in StahllagerRecess in steel bearing
- 99
- hervorstehender Fortsatz auf Ankerplatteprojecting extension on anchor plate
- 1010
- Ring aus komprimierbarem MaterialRing made of compressible material
- 1111
- Dübelscheibedowel disc
Claims (12)
dadurch gekennzeichnet, daß die Rohrhülsen (4a, 4b) in ihrer Längsrichtung parallel zur Ankerschraube (3) komprimierbar ausgeführt sind.Attachment of the track (6) on the track support (2) resting track plate (1) of a magnetic levitation by means of anchor bolts (3) which are guided in tube sleeves (4a, 4b), which in the concrete of track support (2) and / or track plate ( 1) are involved,
characterized in that the tube sleeves (4a, 4b) are designed to be compressible in their longitudinal direction parallel to the anchor screw (3).
dadurch gekennzeichnet, daß die Rohrhülse (4a, 4b) aus mindestens zwei teleskopartig ineinander verschieblichen, rohrartigen Teilen besteht.Pipe sleeve (4a, 4b) for a fastening according to claim 1,
characterized in that the tubular sleeve (4a, 4b) consists of at least two telescopically displaceable, tubular parts.
dadurch gekennzeichnet, daß sich am Ende des äußeren rohrartigen Teils und um das innere rohrartige Teil herum ein Wulst/Ring (10) aus komprimierbarem Material befindet.Pipe sleeve (4a, 4b) according to at least one of claims 1 and 2,
characterized in that there is a bead / ring (10) of compressible material at the end of the outer tubular member and around the inner tubular member.
dadurch gekennzeichnet, daß die Rohrhülse (4a, 4b) einen ziehharmonikaartig komprimierbaren, rohrartigen Bereich aufweist.Pipe sleeve (4a, 4b) for a fastening according to claim 1,
characterized in that the tubular sleeve (4a, 4b) has a concertina-like compressible, tubular region.
dadurch gekennzeichnet, daß ihr ziehharmonikaartig komprimierbarer Teil von einer Schicht aus komprimierbarem Material umgeben ist.Pipe sleeve (4a, 4b) according to claim 4,
characterized in that its concertina-like compressible part is surrounded by a layer of compressible material.
dadurch gekennzeichnet, daß der komprimierbare Bereich sich zwischen zwei tellerartigen, an der Rohrhülse befestigten Flächen, den Ankerplatten (7), befindet.Pipe sleeve (4a, 4b) for a fastening according to at least one of claims 1 to 5,
characterized in that the compressible portion is located between two plate-like, fixed to the tube sleeve surfaces, the anchor plates (7).
dadurch gekennzeichnet, daß die untere Ankerplatte (7) der Rohrhülse (4a) in der Fahrwegplatte (1) und die obere Ankerplatte (7) der Rohrhülse (4b) im Fahrwegträger (2) mit ihren aus dem Bauteil nach außen gerichteten Seiten die Kontaktflächen zum Lager (6, oder 6, 11) darstellen, auf dem die Fahrwegplatte (1) auf dem Fahrwegträger (2) ruht.Bearing structure for the track plate (1) of a magnetic levitation train on a track carrier (2) by means of tube sleeves (4a, 4b) according to at least one of claims 1 to 6,
characterized in that the lower anchor plate (7) of the tubular sleeve (4a) in the track plate (1) and the upper anchor plate (7) of the tubular sleeve (4b) in the track carrier (2) with their outwardly directed from the component sides the contact surfaces for Bearings (6, or 6, 11) represent, on which the track plate (1) rests on the track carrier (2).
dadurch gekennzeichnet, daß das Lager (6) ein Stahlklötzchen ist und die Ankerplatten (7) Erhebungen (9) aufweisen, die in entsprechende Ausnehmungen (8) im Lager (6) genau oder, zur Erzeugung eines Bewegungsfreiheitsgrades, mit eindimensionalem Spiel passen,
oder daß die Ankerplatten (7) Ausnehmungen aufweisen, in die korrespondierende Erhebungen des Lagers passen.Bearing construction according to claim 7,
characterized in that the bearing (6) is a steel block and the anchor plates (7) have elevations (9) which fit into corresponding recesses (8) in the bearing (6) accurately or, for creating a degree of freedom of movement, with one-dimensional play,
or that the anchor plates (7) have recesses into which match corresponding elevations of the bearing.
dadurch gekennzeichnet, daß die Ankerplatten (7) Ausnehmungen (8) aufweisen, ebenso wie das als Stahlklötzchen ausgeführte Lager (6), und daß sich in den Hohlräumen, die sich durch das Aufeinandertreffen der Ausnehmungen (8) des Lagers (6) und der Ankerplatte (7) bilden, zur Übertragung der Horizontalkräfte austauschbare Dübelscheiben (11) aus Stahl oder einem anderen Lagermaterial befinden.Bearing construction according to claim 7,
characterized in that the anchor plates (7) have recesses (8), as well as designed as a steel block bearing (6), and that in the cavities formed by the meeting of the recesses (8) of the bearing (6) and the anchor plate (7), exchangeable Dübelscheiben (11) made of steel or other bearing material are located for transmitting the horizontal forces.
dadurch gekennzeichnet, daß die dem Lager (6, bzw. 6, 11) zugewandten Ankerplatten (7) aus Edelstahl bestehen.Bearing construction with tube sleeves (4a, 4b) according to at least one of claims 1 to 9,
characterized in that the bearing (6, or 6, 11) facing anchor plates (7) consist of stainless steel.
dadurch gekennzeichnet, daß sich zwischen Lager (6, bzw. 6, 11) und Ankerplatte (7) eine Gleitschicht aus hochfluoriertem Polymer befindet.Bearing construction according to at least one of claims 7 to 10,
characterized in that between bearing (6, or 6, 11) and anchor plate (7) is a sliding layer of highly fluorinated polymer.
dadurch gekennzeichnet, daß Lagerklötzchen (6), Dübelscheibe (11), oder beide, mit der Gleitschicht in festem Verbund beschichtet sind.Bearing construction according to claim 11
characterized in that bearing blocks (6), dowel plate (11), or both, are coated with the sliding layer in a solid composite.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005027751A DE102005027751A1 (en) | 2005-06-16 | 2005-06-16 | Interchangeable attachment of the track plates of a magnetic levitation train on a guideway carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1734184A1 true EP1734184A1 (en) | 2006-12-20 |
| EP1734184B1 EP1734184B1 (en) | 2009-10-21 |
Family
ID=36764752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06115417A Not-in-force EP1734184B1 (en) | 2005-06-16 | 2006-06-14 | Replaceable attachment of a railway slab of a maglevtrain to a track support |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1734184B1 (en) |
| AT (1) | ATE446414T1 (en) |
| DE (2) | DE102005027751A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH276637A (en) * | 1949-06-18 | 1951-07-31 | Birkenmaier Max | Cover for prestressed reinforcements and for recesses. |
| GB1256952A (en) * | 1968-02-24 | 1971-12-15 | ||
| EP1441066A1 (en) * | 2003-01-17 | 2004-07-28 | Ed. Züblin Ag | Concrete prefabricated support slab for magnetically levitated trains |
-
2005
- 2005-06-16 DE DE102005027751A patent/DE102005027751A1/en not_active Withdrawn
-
2006
- 2006-06-14 DE DE502006005152T patent/DE502006005152D1/en active Active
- 2006-06-14 AT AT06115417T patent/ATE446414T1/en active
- 2006-06-14 EP EP06115417A patent/EP1734184B1/en not_active Not-in-force
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH276637A (en) * | 1949-06-18 | 1951-07-31 | Birkenmaier Max | Cover for prestressed reinforcements and for recesses. |
| GB1256952A (en) * | 1968-02-24 | 1971-12-15 | ||
| EP1441066A1 (en) * | 2003-01-17 | 2004-07-28 | Ed. Züblin Ag | Concrete prefabricated support slab for magnetically levitated trains |
| DE10301897A1 (en) * | 2003-01-17 | 2004-07-29 | Ed. Züblin Ag | Exact storage of precast concrete slabs of the driveway of a maglev train on a support |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE446414T1 (en) | 2009-11-15 |
| DE502006005152D1 (en) | 2009-12-03 |
| EP1734184B1 (en) | 2009-10-21 |
| DE102005027751A1 (en) | 2006-12-21 |
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Legal Events
| Date | Code | Title | Description |
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