EP0989056B1 - Arrangement for moving and controlling the keels of sailing yachts - Google Patents
Arrangement for moving and controlling the keels of sailing yachts Download PDFInfo
- Publication number
- EP0989056B1 EP0989056B1 EP19990111805 EP99111805A EP0989056B1 EP 0989056 B1 EP0989056 B1 EP 0989056B1 EP 19990111805 EP19990111805 EP 19990111805 EP 99111805 A EP99111805 A EP 99111805A EP 0989056 B1 EP0989056 B1 EP 0989056B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- keel
- keels
- movement
- power transmission
- transmission devices
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
- B63B2039/065—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water the foils being pivotal about an axis substantially parallel to the longitudinal axis of the vessel
Definitions
- the invention relates to a device for moving and controlling the keels of Sailing yachts, with the drive units at the lowest point of the preferred one behind the other, each independently on both sides pivoted keels are arranged.
- This Water zone is provided with slits on its underside - through which Support arms for the two expandable half-keels protrude through.
- a "lift keel device” is known, that of a keel housing with a shaft and one in it there is hydraulically movable up and down rotor on which the keel is fastened and from which it is extended and retracted in the longitudinal direction can be, with the necessary hydraulics directly in the keel housing There is a lateral swiveling of the keel directly under the boat hull is not possible with this facility.
- the known devices are only suitable for Keel movement only in one direction, left or right or up or realize below what is only a limited expansion of maneuverability causes.
- the object of the invention is therefore to develop a Device for moving and steering keels swiveling on both sides, which is located at the lowest point of the keel and therefore not through additional ballast must be balanced.
- the facility is said to no installations inside the ship require, so that appropriate Keels can also be retrofitted to any yacht.
- keel in the lowest-lying component of a known, keel consisting of keel joint, keel shaft and keel bomb Drive unit for generating kinetic energy, right and left Movement elements for generating the movement and a lever system for each the transfer of these forces to the inside of the keel in the longitudinal direction extending, movable further power transmission devices arranged.
- These power transmission devices end under the hull, in the as Keel-jointed component, where, according to the invention, the conversion of the Up and down movement in a right or left circular Swiveling movement of the keel up to max. 90 ° in any direction
- Drive unit also from an electrically driven hydraulic pump.
- the stroke movement of the hydraulic cylinders used as moving elements is according to the invention via coupling gear on the inside of the keel shaft extending power transmission devices, for example as Push rods can be formed, transmitted.
- the as a coupling gear Acting lever systems realize the power transmission over two Scissor arms that are spread by the hydraulic cylinders up to 180 ° can what in the keel joint to swing the keel out by max. Leads 90 °, by the upward movement of the push rods over connecting rods as well as a sliding and a fixed connecting rod pivot point on the right or left pivot point of the keel is transmitted.
- a locking device holds the keel in its vertical neutral position when no swiveling is required is and also prevents the neutral position from swinging over.
- Keel lock 9 can be released.
- the left start depending on the direction of the pan or extend the right hydraulic cylinder 1 and press the scissor arms 2.1; 2.2 to the vertical apart.
- the emerging hub is over one of the Transfer push rods 5 to one of the connecting rods 6.
- fixation of the upper connecting rod point 7.1 on the boat hull 11 arises in the sliding joint of the connecting rod 7.2 is a vertical force acting on the keel. This leads over the keel pivot 8 for swinging out the keel.
- the scissor arms 2.1, 2.2 are perpendicular to each other and the keel has reached a swivel angle of 90 °. Intermediate positions can arbitrarily chosen over the respective stroke of the hydraulic cylinder 1 become.
- the return of the keel to the vertical neutral position is predominant achieved by the dead weight of the keel bomb, being a low one Restoring force of the retracting hydraulic cylinder for safe reaching the neutral position ensures.
- the initially high return speed of the keel is approached hydromechanically when approaching the neutral position corresponding throttling of the volume flow of the hydraulic fluid almost equals zero.
- An automatic locking of the keel lock 9 prevents Reaching the keel over to the neutral position. To swing out of the keel in the opposite direction must start a new swivel process become.
- the device according to the invention consists of a robust and little failure-prone mechanism and can be retrofitted to any yacht nachgerüstetwerden. There are none other than the required power supplies Installation inside the yacht is required.
- the keel can be used as required can be swung out to the left or right up to 90 °.
Description
Die Erfindung betrifft eine Einrichtung zum Bewegen und Steuern der Kiele von Segelyachten, wobei die Antriebsaggregate am tiefsten Punkt der vorzugsweise hintereinander liegenden, jeweils unabhängig voneinander nach beiden Seiten schwenkbar gelagerten Kielen angeordnet sind.The invention relates to a device for moving and controlling the keels of Sailing yachts, with the drive units at the lowest point of the preferred one behind the other, each independently on both sides pivoted keels are arranged.
Mit dem Ziel, den Tiefgang von Segelyachten in flachen Gewässern zu verringern und/oder ihre Kentersicherheit zu erhöhen, ist es bekannt, den oder die Kiele schwenkbar unter dem Schiffsrumpf zu befestigen, wobei sich die erforderlichen Antriebsaggregate grundsätzlich im Inneren des Schiffes befinden (z.B. DE 27 51 364; DE 84 09 661.6 und EP 0855339). In DE 296 038 93, DE 29 22 629 und EP 0855339 sind schwenkbareKiele beschrieben, die aus zwei senkrecht voneinander trennbaren Teilen bestehen, die im Bedarfsfall rechtwinklig zur Mittschiffsebene nach außen gespreizt werden können. Hier können die Antriebs- und Verstellaggregate entweder im Inneren des Schiffskörpers oder unmittelbar unter dem Rumpf in einer abgedichteten "Wasserzone" untergebracht sein. Diese Wasserzone ist an ihrer Unterseite mit Schlitzen versehen, - durch welche Haltearme für die zwei spreizbaren Halbkiele hindurchragen. Aus dem deutschen Gebrauchsmuster G 91 15 019.1 ist eine "Liftkieleinrichtung" bekannt, die aus einem, einen Schacht aufweisenden Kielgehäuse und einem in diesem hydraulisch auf- und abwärts bewegbaren Läufer besteht, an welchem der Kiel befestigt ist und von dem er in Längsrichtung ausgefahren und wieder eingeholt werden kann, wobei sich die erforderliche Hydraulik direkt im Kielgehäuse unmittelbar unter dem Bootsrumpf befindet Ein seitliches Schwenken des Kiels ist mit dieser Einrichtung nicht möglich.Aiming at the draft of sailing yachts in shallow waters reduce and / or increase their capsizing safety, it is known to the or to fasten the keel pivotally under the hull, the necessary drive units are always inside the ship (e.g. DE 27 51 364; DE 84 09 661.6 and EP 0855339). In DE 296 038 93, DE 29 22 629 and EP 0855339 described pivotable keels, which consist of two vertically separable Parts exist that, if necessary, perpendicular to the midships level can be spread outside. Here the drive and Adjustment units either inside the hull or directly be housed in a sealed "water zone" under the fuselage. This Water zone is provided with slits on its underside - through which Support arms for the two expandable half-keels protrude through. From the German utility model G 91 15 019.1, a "lift keel device" is known, that of a keel housing with a shaft and one in it there is hydraulically movable up and down rotor on which the keel is fastened and from which it is extended and retracted in the longitudinal direction can be, with the necessary hydraulics directly in the keel housing There is a lateral swiveling of the keel directly under the boat hull is not possible with this facility.
Die den Stand der Technik kennzeichnenden, vorwiegend hydraulisch arbeitenden Einrichtungen zum Schwenken bzw. zur Längenänderung der Kiele weisen durchweg den Nachteil auf, daß sie sich entweder im Inneren des Bootsrumpfes befinden, wo sie viel Platz benötigen und unbeweglichen Ballast darstellen oder außerhalb im Kielgelenk angeordnet sind, wohin sich dadurch der Schwerpunkt der Yacht verlagert, was durch ein erhebliches Mehrgewicht der Kielbombe ausgeglichen werden muß. Das kann zu einer ungünstigen Beeinflussung des Segelverhaltens führen, wodurch die Vorteile schwenkbarer Kiele teilweise wieder aufgehoben werden. Darüber hinaus müssen die Antriebs- und Kraftübertragungseinrichtungen bereits beim Bau der Boote vorgesehen werden, da sie aufwendige Durchführungen durch die Schiffshaut erfordern.The state of the art, mainly hydraulic working devices for swiveling or changing the length of the keels consistently have the disadvantage that they are either inside the Boat hulls are located where they need a lot of space and immobile ballast represent or are arranged outside in the keel joint, where it goes the center of gravity of the yacht is shifted, which is due to a considerable additional weight the keel bomb must be balanced. That can be an inconvenience Influencing the sailing behavior lead, making the advantages more pivotable Keels are partially lifted again. In addition, the drive and power transmission devices already provided when the boats were built because they require elaborate operations through the ship's skin.
Darüber hinaus sind die bekannten Einrichtungen ausschließlich geeignet, die Bewegung des Kiels nur in einer Richtung, nach links oder rechts bzw. oben oder unten zu realisieren, was nur eine begrenzte Erweiterung der Manövriermöglichkeiten bewirkt.In addition, the known devices are only suitable for Keel movement only in one direction, left or right or up or realize below what is only a limited expansion of maneuverability causes.
Die Aufgabe der Erfindung besteht deshalb in der Entwicklung einer Einrichtung zum Bewegen und Steuern nach beiden Seiten schwenkbarer Kiele, die an der tiefsten Stelle des Kieles angeordnet ist und damit nicht durch zusätzlichen Ballast ausgeglichen werden muß. Darüber hinaus soll die Einrichtung keine Einbauten im Inneren des Schiffs erfordern, so daß entsprechende Kiele auch nachträglich an jede Yacht angebaut werden können.The object of the invention is therefore to develop a Device for moving and steering keels swiveling on both sides, which is located at the lowest point of the keel and therefore not through additional ballast must be balanced. In addition, the facility is said to no installations inside the ship require, so that appropriate Keels can also be retrofitted to any yacht.
Diese Aufgabe wird durch die in Patentanspruch 1 beschriebene Einrichtung gelöst. Die Ansprüche 2 bis 8 stellen günstige Ausgestaltungen der Erfindung dar.This object is achieved by the device described in claim 1 solved. Claims 2 to 8 represent favorable embodiments of the invention represents.
Gemäß der Erfindung sind im tiefstliegenden Bauteil eines an sich bekannten, aus Kielgelenk, Kielschaft und Kielbombe bestehenden Kieles ein Antriebsaggregat zur Erzeugung der Bewegungsenergie, rechte und linke Bewegungselemente zur Erzeugung der Bewegung sowie je ein Hebelsystem für die Übertragung dieser Kräfte auf im Inneren des Kieles in Längsrichtung verlaufende, bewegliche weitere Kraftübertragungseinrichtungen angeordnet. Diese Kraftübertragungseinrichtungen enden unter dem Bootsrumpf, in dem als Kielgelenk ausgebildeten Bauteil, wo erfindungsgemäß die Umwandlung der Auf- und Abbewegung in eine nach rechts oder links gerichtete kreisförmige Schwenkbewegung des Kieles bis auf jeweils max. 90° in jede Richtung erfolgt According to the invention, in the lowest-lying component of a known, keel consisting of keel joint, keel shaft and keel bomb Drive unit for generating kinetic energy, right and left Movement elements for generating the movement and a lever system for each the transfer of these forces to the inside of the keel in the longitudinal direction extending, movable further power transmission devices arranged. These power transmission devices end under the hull, in the as Keel-jointed component, where, according to the invention, the conversion of the Up and down movement in a right or left circular Swiveling movement of the keel up to max. 90 ° in any direction
In einer vorzugsweisen Ausführungsform der Erfindung besteht das Antriebsaggregat ebenfalls aus einer elektrisch angetriebenen Hydraulikpumpe. Die Hubbewegung der als Bewegungselemente eingesetzten Hydraulikzylinder wird erfindungsgemäß über Koppelgetriebe auf die im Inneren des Kielschaftes verlaufenden Kraftübertragungseinrichtungen, die beispielsweise als Schubstangen ausgebildet sein können, übertragen. Die als Koppelgetriebe wirkenden Hebelsysteme realisieren die Kraftübertragung über je zwei Scherenarme, die von den Hydraulikzylindern bis auf 180° gespreizt werden können, was im Kielgelenk zum Ausschwenken des Kieles um max. 90° führt, indem die Aufwärtsbewegung der Schubstangen über Pleuelstangen sowie einen gleitend und einen fest gelagerten Pleuel-Gelenkpunkt auf den rechten bzw. linken Drehpunkt des Kieles übertragen wird. Eine Arretierungsvorrichtung hält den Kiel in seiner senkrechten Neutralstellung, wenn kein Ausschwenken erforderlich ist und verhindert darüber hinaus ein Überschwenken der Neutralstellung.In a preferred embodiment of the invention there is Drive unit also from an electrically driven hydraulic pump. The stroke movement of the hydraulic cylinders used as moving elements is according to the invention via coupling gear on the inside of the keel shaft extending power transmission devices, for example as Push rods can be formed, transmitted. The as a coupling gear Acting lever systems realize the power transmission over two Scissor arms that are spread by the hydraulic cylinders up to 180 ° can what in the keel joint to swing the keel out by max. Leads 90 °, by the upward movement of the push rods over connecting rods as well as a sliding and a fixed connecting rod pivot point on the right or left pivot point of the keel is transmitted. A locking device holds the keel in its vertical neutral position when no swiveling is required is and also prevents the neutral position from swinging over.
Die Erfindung soll nachstehend an einem Ausführungsbeispiel näher erläutert werden. Die beigefügte Zeichnung zeigt dazu in
- . Figur 1
- einen Längsschnitt durch die Einrichtung
- . Figur 2
- eine Darstellung der Funktionen und Bewegungen.
- , Figure 1
- a longitudinal section through the device
- , Figure 2
- a representation of the functions and movements.
Die verwendeten Bezugszahlen bedeuten:
Mit der im Beispiel dargestellten Ausführungsform der Erfindung ergibt sich
beim Ausschwenken des Kieles folgender Funktionsablauf: Nach Anlaufen der
Hydraulikpumpe und Erreichen des notwenigen Hydraulikdruckes kann die
Kielarretierung 9 gelöst werden. Je nach Schwenkrichtung beginnen die linken
oder rechten Hydraulikzylinder 1 auszufahren und drücken die Scherenarme 2.1;
2.2 bis in die Senkrechte auseinander. Der entstehende Hub wird über eine der
Schubstangen 5 auf eine der Pleuelstangen 6 übertragen. Durch die Fixierung
des oberen Pleuelgelenkpunktes 7.1 am Bootsrumpf 11 entsteht im Gleitgelenk
des Pleuels 7.2 eine auf den Kiel wirkende senkrechte Kraft. Diese führt über
den Kieldrehpunkt 8 zum Ausschwenken des Kiels. Bei Maximalhub des
Hydraulikzylinders 1 stehen die Scherenarme 2.1;2.2 senkrecht zueinander und
der Kiel hat einen Schwenkwinkel von 90° erreicht. Zwischenpositionen können
über den jeweils entsprechenden Hub der Hydraulikzylinder 1 beliebig gewählt
werden.With the embodiment of the invention shown in the example results
The following functional sequence when swinging out the keel: After starting the
Hydraulic pump and reaching the necessary hydraulic pressure can
Keel
Die Rückführung des Kiels in die senkrechte Neutralstellung wird vorwiegend
durch das Eigengewicht der Kielbombe erreicht, wobei eine geringe
Rückstellkraft des einfahrenden Hydraulikzylinders für ein sicheres Erreichen
der Neutralstellung sorgt. Die zunächst hohe Rückstellgeschwindigkeit des Kiels
wird bei Annäherung an die Neutralstellung hydromechanisch über eine
entsprechende Drosselung des Volumenstromes der Hydraulikflüssigkeit nahezu
gleich Null. Ein selbsttätiges Verriegeln der Kielarretierung 9 verhindert bei
Erreichen der Neutralstellung ein Überschwenken des Kiels. Zum Ausschwenken
des Kiels in die Gegenrichtung muß ein neuer Schwenkvorgang eingeleitet
werden.The return of the keel to the vertical neutral position is predominant
achieved by the dead weight of the keel bomb, being a low one
Restoring force of the retracting hydraulic cylinder for safe reaching
the neutral position ensures. The initially high return speed of the keel
is approached hydromechanically when approaching the neutral position
corresponding throttling of the volume flow of the hydraulic fluid almost
equals zero. An automatic locking of the
Die erfindungsgemäße Einrichtung besteht aus einem robusten und wenig störanfälligen Mechanismus und kann nachträglich an jeder Yacht nachgerüstetwerden. Außer den erforderlichen Energiezuführungen sind keine Einbauten im Inneren der Yacht erforderlich. Durch Montage der Einrichtung in den ohnehin mit Ballast zu beschwerenden Elementen Kielbombe und Kielschaft, verbessert sich das Segelverhalten des Bootes weiter so daß höhere Geschwindigkeiten erzielt werden können. Der Kiel kann je nach Anforderung nach links oder rechts bis auf 90° ausgeschwenkt werden. The device according to the invention consists of a robust and little failure-prone mechanism and can be retrofitted to any yacht nachgerüstetwerden. There are none other than the required power supplies Installation inside the yacht is required. By assembling the device in the keel bomb and elements to be weighed down with ballast anyway Keel shaft, the sailing behavior of the boat further improves so that higher Speeds can be achieved. The keel can be used as required can be swung out to the left or right up to 90 °.
Bei beispielsweise zwei hintereinander angeordneten, mit den erfindungsgemäßen Einrichtungen versehenen Kielen, lassen sich durch
- Senkrechtstellung beider Kiele,
- gegenläufiges Ausschwenken beider Kiele zwischen 0 ... 90°,
- Ausschwenken beider Kiele nach einer Seite,
- Senkrechtstellung eines und Ausschwenken des zweiten Kieles
- Vertical position of both keels,
- opposite swiveling of both keels between 0 ... 90 °,
- Swinging both keels out to one side,
- Vertical position of one and swiveling out the second keel
Claims (8)
- Device for moving and steering the keels of sailing yachts, comprising drive and power transmission devices arranged in the interior of the keel(s), characterized in that right and left movement elements (1), which are driven by a drive unit and the travel of which is transmitted via lever systems (2.1; 2.2) to power transmission devices (5) which can move in the longitudinal direction in the interior of the keel shaft (4), are in each case arranged in pairs in the lowest component of the keel body (12), and right and left articulated joint systems (6; 7; 8) for converting the longitudinal movement into a pivoting movement of the keel directed to the right or the left are arranged below the hull of the boat.
- Device according to Claim 1, characterized in that a hydraulic pump as drive unit and in each case two hydraulic cylinders as movement elements (1) are installed in the shoal keel (12).
- Device according to Claims 1 and 2, characterized in that the lever systems used are coupler mechanisms which comprise in each case upper and lower scissor arms (2.1; 2.2) which are connected to one another by articulated joints (3).
- Device according to Claims 1 to 3, characterized in that two slide rods (5) run in the keel shaft (4) as longitudinally moveable power transmission devices.
- Device according to Claims 1 to 4, characterized in that the longitudinal movement of the slide rods (5) is converted into the pivoting movement of the keel via connecting rods (6) and the articulation points (7.1; 7.2) and the rotation point (8).
- Device according to Claims 1 to 5, characterized in that the upper connecting-rod articulation point (7.1) is fixed to the hull of the boat, and the articulation point (7.2) is mounted so that it can slide on the slide rod (6).
- Device according to Claims 1 to 6, characterized in that the keel articulated joint (10) is detained by means of a mechanical securing means (9) when the vertical neutral position of the keel is reached and is hydraulically released again in order for a further pivoting operation to be carried out.
- Device according to Claims 1 to 7, characterized in that, if a plurality of keels are provided, a large number of options for improving the straightening moment, increasing the resistance to capsizing, avoiding additional lee drift and reducing the draught result through a common vertical position, opposite or parallel pivoting or different positions of each of the keels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19990111805 EP0989056B1 (en) | 1998-09-23 | 1999-06-16 | Arrangement for moving and controlling the keels of sailing yachts |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29817032U | 1998-09-23 | ||
| DE29817032U DE29817032U1 (en) | 1998-09-23 | 1998-09-23 | Keel arrangement for sailboats |
| EP19990111805 EP0989056B1 (en) | 1998-09-23 | 1999-06-16 | Arrangement for moving and controlling the keels of sailing yachts |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0989056A2 EP0989056A2 (en) | 2000-03-29 |
| EP0989056A3 EP0989056A3 (en) | 2001-02-07 |
| EP0989056B1 true EP0989056B1 (en) | 2003-03-05 |
Family
ID=26061861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19990111805 Expired - Lifetime EP0989056B1 (en) | 1998-09-23 | 1999-06-16 | Arrangement for moving and controlling the keels of sailing yachts |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0989056B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6338308B1 (en) | 2000-06-15 | 2002-01-15 | Distancia Innovative Yachts Gmbh | Device for moving and controlling the keels of sailing yachts |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE591780C (en) * | 1931-07-11 | 1934-01-26 | Siemens Schuckertwerke Akt Ges | Knee joint-like lever gear for reducing the number of strokes |
| US3911847A (en) * | 1972-03-04 | 1975-10-14 | Worthing & Co Ltd N | Hydraulic steering mechanism |
| DE2751364C2 (en) | 1977-11-17 | 1983-09-29 | Ernst-W. Ing.(grad.) 4400 Münster Zühlke | Divisible swivel keel |
| DE2922629A1 (en) | 1979-06-02 | 1980-12-04 | Zuehlke Ernst W Ing Grad | Adjusting keel for sailing boat - has symmetrical halves swung outwards about common axis |
| DE8409661U1 (en) | 1984-03-29 | 1984-09-20 | Petermann, Kurt, 4420 Coesfeld | SPREADING LIFT KEY FOR SAILING YACHTS |
| GB8905231D0 (en) * | 1989-03-08 | 1989-04-19 | Birch Fred P | Pivotable sailing boat keel |
| DE9115019U1 (en) | 1991-11-29 | 1992-06-25 | Rommel, Peter, 1000 Berlin, De | |
| DE29603893U1 (en) | 1996-03-02 | 1996-06-27 | Ubl Albert Dr Med | Hull |
| AT405393B (en) * | 1997-01-24 | 1999-07-26 | Frantl Conprojekt | KEY DEVICE FOR A SAILING SHIP |
-
1999
- 1999-06-16 EP EP19990111805 patent/EP0989056B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0989056A2 (en) | 2000-03-29 |
| EP0989056A3 (en) | 2001-02-07 |
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