EP0942254A1 - Dispositif de lancement d'un projectile à partir d'un tube lanceur immergé - Google Patents
Dispositif de lancement d'un projectile à partir d'un tube lanceur immergé Download PDFInfo
- Publication number
- EP0942254A1 EP0942254A1 EP99400589A EP99400589A EP0942254A1 EP 0942254 A1 EP0942254 A1 EP 0942254A1 EP 99400589 A EP99400589 A EP 99400589A EP 99400589 A EP99400589 A EP 99400589A EP 0942254 A1 EP0942254 A1 EP 0942254A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- projectile
- resistant
- launching
- piston
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007858 starting material Substances 0.000 claims description 15
- 238000007654 immersion Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 210000002816 gill Anatomy 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/08—Rocket or torpedo launchers for marine torpedoes
- F41F3/10—Rocket or torpedo launchers for marine torpedoes from below the surface of the water
Definitions
- the invention relates to a device for launching a projectile from a submerged launcher tube, especially on board a submarine.
- a launcher tube is conventionally provided with a front door located in the forward frame beyond the sturdy forward bulkhead of the submarine, which opens for launching or "hunting" a projectile, and a back door called "breech".
- Such devices include, or the launcher tube and a system associated with filling and emptying the launch tube, a turbopump driven by a compressed air turbine, which pumps water taken in a water inlet circuit to a launch box opening into the tube launcher via an annular water inlet door. Compressed air drives the turbine coupled to a pump external to the resistant shell, which sets in motion the inside of a water cylinder to bring it into the launch box, creating thus an overpressure with respect to the immersion pressure. This difference of pressure is then used after opening the annular water inlet door to create at the rear of the projectile the desired piston effect useful for its ejection.
- turbopump associated with a launcher tube requires an upstream water inlet integrated into the forward frame of the submarine, which makes the architecture of the front frame more complex and can be a source of indiscretions.
- a turbopump is conventionally associated with a group of two or three launcher tubes, which reduces the defense capabilities in the event of failure of the turbopump.
- the water inlet circuit and the launch box of a turbopump are bulky and all the more so if the submarine includes several groups launcher tubes because in this case, several turbopumps and their circuits associated operations are required.
- turbopumps on submarine by mounting autoclave is complex and involves a significant modification of the device, as well as constraints on the architecture of the front frame.
- Patent DE-A-33 33 614 discloses an underwater ejection device for loads of a starter tube subjected to water pressure, using a piston fitted with actuating rods, which uses hydraulic drive energy to activate these control rods.
- the device of this patent consists of two tubes, one inside in contact with the load, the other outside concentric with the first. The two tubes are closed at the front by the same watertight door swivel when launching the load. Only the inner tube is closed at the rear by a door allowing loading. Actuating rods occupy the annular space between these two tubes and are actuated hydraulically.
- Patent FR 2 701 102 describes an autonomous launching device of objects in an underwater environment, which also uses hunting means by jacks. This device is not rechargeable from the rear unlike patent DE-A-33 33,614.
- Patent FR 2 724 448 discloses a device for ejecting a projectile from a submersion pressure-resistant launcher tube fitted with a front door which is opened when the projectile and a rear door for loading are ejected of the projectile, comprising an inner tube to the resistant launcher tube closed by the rear door, the inner tube being open at its two ends and housing the projectile to be ejected, and a pump or pump-propeller associated with a generator performing a high flow of water from the front to the rear of the starter tube in the annular space between the resistant starter tube and the inner tube, associated with means for holding the inner tube in the launcher tube resistant.
- the generator can be integrated into the rear door of the starter tube.
- annular hydraulic piston long in interface with the resistant tube which deploys under the action of a circuit of launching with low pressure compressed air
- annular hydraulic piston short which deploys under the action of a compressed air launch circuit under pressure higher than the immersion pressure.
- the annular hydraulic piston short however has a sensitivity to immersion pressure.
- this device uses hydraulic drive energy and requires motor flow rates important for the ejection of projectiles in a very short time which can be less than 1 second.
- the use of annular hydraulic pistons actuated by compressed air requires solving other problems techniques, such as the storage of high pressure air masses, the need for several relaxation stages to respect safety rules, icing possible pipelines, and recovery of slack gases.
- Another drawback concerns the noise which is generated during the expansion of the gases; Moreover, a loss of pneumatic tightness would make the submarine detectable.
- the object of the invention is to propose a device for ejecting a projectile from a submerged launcher tube using a hydraulic piston, in particular at aboard a submarine, not having the drawbacks of known devices and described above, and which overcomes the problems of engine flow necessary for the movement of the control rods, taking into account the fact that the projectile ejection time must be very short.
- the subject of the invention is therefore a device for launching a projectile at from a submersion pressure-resistant launcher tube fitted with a front door which is opened when the projectile and a rear door for loading are ejected of the projectile, comprising an inner tube to the resistant launcher tube closed by the rear door, the inner tube being open at its two ends and housing the projectile to be ejected, and of internal diameter substantially equal to that of the part cylindrical projectile, means for holding the inner tube in the tube resistant launcher, and an annular piston which circulates water from the front towards the rear of the resistant tube for ejecting the projectile, characterized in that the annular piston can be actuated by at least two cylinders under the effect of springs, cylinders and springs being arranged in a ring between the starter tube and the inner tube, for relatively slow displacement of the piston.
- the inner tube has a protrusion along its length for fixing locking devices of the projectile.
- the section of the annular piston is proportional to the section of the projectile with a ratio strictly greater than 1.
- the device according to the invention makes it possible to adjust the speed of movement springs by regulating the flow rate of the cylinders, and decreasing it by playing on the sections report. This results in greater acoustic discretion.
- the means for holding the inner tube in the resistant launcher tube may be formed by transverse structures having gills of passage for water. These structures are called “sectoral”. They can be associated with longitudinal structures.
- the springs are in tension or compression in the armed position of the piston.
- the damping of the annular piston is preferably achieved by to the cylinders.
- the launch device according to the invention also allows the launch of self-starting projectiles.
- Figure 1 shows a launcher tube incorporated into a submarine.
- the tube launcher is conventionally provided with a front door 8, which must open for the launching of a projectile 10, for example of a wire-guided torpedo, and of a door rear 9.
- the launcher tube includes a tube resistant to immersion pressure and with two sections 1 and 1a.
- the sections 1 and 1 bis are cylindrical, the section 1 bis having a larger diameter than that of section 1; they are connected by an intermediate zone of revolution.
- the launcher tube has a tube interior 2 which can be coaxial, open at its two ends, intended to be at contact with the projectile, of internal diameter close to that of the latter.
- Tube 2 is located centrally inside the external resistant tube, and mainly in section 1a.
- the tube interior is not completely cylindrical, and has a projection 15 on its length, which allows the fixing of locking devices 16 of the projectile.
- the inner tube 2 stores, locks and guides the projectile when launched.
- the inner tube is fixed by its ends.
- the sections 1 and 1a have internal slides 3 at the front and 4 at the rear, number of three or four, to guide and center the projectile in the tube, as shown in the location of the A-A cup on the back, and at the location of the C-C cut at the front.
- an annular piston 5 actuated by at minus two hydraulic cylinders 7 under the effect of springs 6.
- the cylinders four in number in the particular embodiment described, and the associated springs are arranged in a crown in the space between resistant tube 1 bis and inner tube 2.
- the section of the annular piston is calculated to have a displacement relatively slow and therefore a shorter stroke than that of the projectile, while ensuring sufficient water flow to move the projectile at high speed desired. Relatively slow movement of the annular piston / spring assembly generates relatively low noise.
- the springs are very compact and can be used in traction or in compression.
- the cylinders are used to arm the springs by pushing or pulling these latter. Several assemblies are possible.
- the springs are in traction in the armed position 12 of the piston, and the cylinders located on the same side that the springs push the annular piston for arming.
- the ends of the spring are integral on the one hand with the resistant tube, on the other hand with the piston annular.
- the cylinder rods may or may not be integral with the annular piston, while the cylinders body is integral with the resistant tube.
- the rest position 11 of the piston is located on the rear side of the projectile.
- the speed of movement of the annular piston is reduced in the ratio projectile and annular piston sections.
- Section of annular piston 5 is proportional to the section of the projectile with a strictly higher ratio to 1.
- the speed of movement of the annular piston is reduced in the ratio of sections allowing better acoustic discretion.
- Transverse structures that can be associated with stiffeners longitudinal or smooth not shown, are arranged between the tubes 1 bis and 2 to maintain the inner tube 2 in the section 1 bis of the tube resistant.
- transverse structures used to hold the tube 2 in the tube resistant are such that they do not disturb the passage of water circulation. They are arranged in a discontinuous manner to reveal gills of passage for water. They are said "to sectors”.
- the rear door 9 allows the opening and closing of the launcher tube for loading the projectile into the launch tube. It is attached to the starter tube by a technologically safe connection, such as an autoclave mechanism, which removes everything risk of loss of watertightness upon immersion.
- the starter tube being conventionally loaded, filled with water thanks to a balanced filling and emptying installation thanks to a circuit balancing, we open the front door and retract the projectile locking device.
- the actuation of the annular piston causes a pressurization of a volume of water at the rear of the projectile, after that the cylinders were used to arm the spring system with low flow rates on the length of the section 1 bis. Indeed, the time required to arm the spring system is about 50 times longer than the ejection time. It results a piston effect on the projectile, which has in its cylindrical part a diameter substantially equal to the internal diameter of the inner tube. In end of stroke, the cylinders can be used to cushion the device.
- the piston When the projectile is expelled, the piston is returned to its position of rest by the springs, and it is possible to carry out, after emptying, a new loading of the launch tube by a projectile stored in the hold.
- the circulating water passes through gills passing through the transverse "sector" holding structures at the rear of the inner tube.
- the device according to the invention allows the projectile to be ejected, whatever the position of the launch tube: in the axis of the submarine, vertical, in position horizontal inclined to the longitudinal axis of the submarine (so-called position in barbette), and whatever the platform movements (plate, dish, pitch, roll).
- the device according to the invention also allows the launching of projectiles at self-starting, when the structure of the piston 5 has one or more valves 13 for let the water pass through, in the rest position 11 of the annular piston, as shown Figure 2.
- FIG. 3 indicates for example the presence of gills 14 passing through water at the back of the inner tube, when the annular piston is in position extreme back rest 11.
- Figure 4 shows an increase in the diameter of the outer tube resistant over a short length at the extreme rest position 11 of the annular piston.
- openings 17 in the annular piston are released by the retraction of the cylinder rods 7 in rest position 11 of the annular piston 5.
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- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Catching Or Destruction (AREA)
- Actuator (AREA)
Abstract
Description
- la figure 1 représente un mode de réalisation du dispositif de lancement d'un projectile selon l'invention avec un tube intérieur de structure cylindrique;
- la figure 2 représente la structure du piston annulaire pour l'autodémarrage;
- la figure 3 représente la structure du tube intérieur pour l'autodémarrage;
- la figure 4 représente la structure du tube lanceur pour l'autodémarrage;
- la figure 5 représente une autre variante de la structure du piston annulaire pour l'autodémarrage;
- la figure 6 représente un mode de réalisation du dispositif de lancement d'un projectile selon l'invention avec un tube intérieur de structure cylindrique présentant une excroissance sur sa longueur.
Claims (10)
- Dispositif de lancement d'un projectile à partir d'un tube lanceur résistant à la pression d'immersion muni d'une porte avant que l'on ouvre à l'éjection du projectile et d'une porte arrière pour le chargement du projectile, comportant un tube intérieur au tube lanceur résistant fermé par la porte arrière, le tube intérieur étant ouvert à ses deux extrêmités et abritant le projectile à éjecter, et de diamètre interne sensiblement égal à celui de la partie cylindrique du projectile, des moyens de maintien du tube intérieur dans le tube lanceur résistant, et un piston annulaire qui réalise une circulation d'eau de l'avant vers l'arrière du tube résistant pour l'éjection du projectile, caractérisé en ce que le piston annulaire (5) est actionnable par au moins deux vérins (7) sous l'effet de ressorts (7), vérins et ressorts étant disposés en couronne entre le tube lanceur (1 bis) et le tube intérieur (2), pour un déplacement relativement lent du piston.
- Dispositif de lancement d'un projectile à partir d'un tube lanceur résistant à la pression d'immersion muni d'une porte avant que l'on ouvre à l'éjection du projectile et d'une porte arrière pour le chargement d'un projectile, comportant un tube intérieur au tube lanceur résistant fermé par la porte arrière, le tube intérieur étant ouvert à ses deux extrêmités, abritant le projectile à éjecter et présentant une excroissance sur sa longueur pour la fixation de dispositifs de verrouillage du projectile, et de diamètre interne sensiblement égal à celui de la partie cylindrique du projectile, des moyens de maintien du tube intérieur dans le tube lanceur résistant, et un piston annulaire qui réalise une circulation d'eau de l'avant vers l'arrière du tube résistant pour l'éjection du projectile, caractérisé en ce que le piston annulaire (5) est actionnable par au moins deux vérins (7) sous l'effet de ressorts (7), vérins et ressorts étant disposés en couronne entre le tube lanceur (1 bis) et le tube intérieur (2), pour un déplacement relativement lent du piston.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur résistant à la pression d'immersion selon la revendication 1 ou 2, caractérisé en ce que la section du piston annulaire (5) est proportionnelle à la section du projectile (10) avec un rapport strictement supérieur à 1.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur résistant à la pression d'immersion selon la revendication 1, 2 ou 3, caractérisé en ce que les moyens de maintien du tube intérieur dans le tube lanceur résistant sont constitués par des structures transversales "à secteurs" laissant des ouies de passage pour l'eau et/ou des structures longitudinales.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur résistant à la pression d'immersion selon l'une des revendications 1 à 4, caractérisé en ce que les ressorts (6) sont en traction ou compression dans la position armée du piston.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur selon l'une des revendications 1 à 5, caractérisé en ce qu'il présente des moyens d'amortissement par l'intermédiaire des vérins (7).
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur selon l'une des revendications 1 à 6, caractérisé en ce que la structure du piston annulaire présente au moins un clapet (13), pour le libre passage de l'eau, lors du lancement de projectiles à autodémarrage.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur selon l'une des revendications 1 à 6, caractérisé en ce que le tube intérieur comporte des ouies de passage (14) de l'eau à l'arrière, pour un piston en position arrière de repos (11), lors du lancement de projectiles à autodémarrage.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur selon l'une des revendications 1 à 6, caractérisé en ce que le tube résistant a un diamètre plus large sur une longueur courte, au niveau d'une position extrême de repos (11) du piston.
- Dispositif d'éjection d'un projectile à partir d'un tube lanceur selon l'une des revendications 1 à 6, caractérisé en ce que le piston annulaire (5) possède des ouvertures (17) dégagées par le recul des tiges de vérins (7) au niveau d'une position extrême de repos (11) du piston.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9803042 | 1998-03-12 | ||
FR9803042A FR2776059B1 (fr) | 1998-03-12 | 1998-03-12 | Dispositif de lancement d'un projectile a partir d'un tube lanceur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0942254A1 true EP0942254A1 (fr) | 1999-09-15 |
EP0942254B1 EP0942254B1 (fr) | 2002-10-16 |
Family
ID=9523967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990400589 Expired - Lifetime EP0942254B1 (fr) | 1998-03-12 | 1999-03-11 | Dispositif de lancement d'un projectile à partir d'un tube lanceur immergé |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0942254B1 (fr) |
DE (1) | DE69903489T2 (fr) |
DK (1) | DK0942254T3 (fr) |
ES (1) | ES2185296T3 (fr) |
FR (1) | FR2776059B1 (fr) |
NO (1) | NO317681B1 (fr) |
PT (1) | PT942254E (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2530425A1 (fr) * | 2011-06-01 | 2012-12-05 | Dcns | Engin sous-marin comportant des moyens de lancement d'un véhicule sous-marin |
EP2530424A1 (fr) * | 2011-06-01 | 2012-12-05 | Dcns | Engin sous-marin comportant des moyens de lancement d'un véhicule sous-marin en auto-démarrage |
FR3028024A1 (fr) * | 2014-11-05 | 2016-05-06 | Dcns | Dispositif d'ejection d'arme pour un tube lance-arme ; tube lance-arme et sous-marin associes |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101537015B1 (ko) * | 2008-11-03 | 2015-07-16 | 대우조선해양 주식회사 | 강제발사와 자체추진 겸용 잠수함의 무장 발사장치 |
FR2976063B1 (fr) | 2011-05-31 | 2013-07-12 | Dcns | Systeme de lancement d'un engin sous-marin |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333614A1 (de) | 1983-09-17 | 1985-04-18 | Gemmecke, Kurt, Ing.(grad.), 2400 Lübeck | Druckwasserbetriebene unterwasserausstossvorrichtung |
DE3346074A1 (de) * | 1983-09-17 | 1985-07-04 | Gemmecke, Kurt, Ing.(grad.), 2400 Lübeck | Druckwasserbetriebene unterwasserausstossvorrichtung |
US5085122A (en) * | 1991-02-07 | 1992-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Firing assembly for stored energy launcher |
US5099745A (en) | 1990-07-25 | 1992-03-31 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for designing a specially ported torpedo launching system to damp a seawater piston |
FR2701102A1 (fr) | 1993-01-29 | 1994-08-05 | Bascou Michel | Dispositif autonome de lancement d'objet en milieu sous-marin. |
FR2724448A1 (fr) | 1994-09-08 | 1996-03-15 | France Etat | Dispositif d'ejection d'une arme a partir d'un tube lance-armes immerge |
-
1998
- 1998-03-12 FR FR9803042A patent/FR2776059B1/fr not_active Expired - Lifetime
-
1999
- 1999-03-11 EP EP19990400589 patent/EP0942254B1/fr not_active Expired - Lifetime
- 1999-03-11 DK DK99400589T patent/DK0942254T3/da active
- 1999-03-11 PT PT99400589T patent/PT942254E/pt unknown
- 1999-03-11 ES ES99400589T patent/ES2185296T3/es not_active Expired - Lifetime
- 1999-03-11 NO NO19991210A patent/NO317681B1/no not_active IP Right Cessation
- 1999-03-11 DE DE1999603489 patent/DE69903489T2/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333614A1 (de) | 1983-09-17 | 1985-04-18 | Gemmecke, Kurt, Ing.(grad.), 2400 Lübeck | Druckwasserbetriebene unterwasserausstossvorrichtung |
DE3346074A1 (de) * | 1983-09-17 | 1985-07-04 | Gemmecke, Kurt, Ing.(grad.), 2400 Lübeck | Druckwasserbetriebene unterwasserausstossvorrichtung |
US5099745A (en) | 1990-07-25 | 1992-03-31 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for designing a specially ported torpedo launching system to damp a seawater piston |
US5085122A (en) * | 1991-02-07 | 1992-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Firing assembly for stored energy launcher |
FR2701102A1 (fr) | 1993-01-29 | 1994-08-05 | Bascou Michel | Dispositif autonome de lancement d'objet en milieu sous-marin. |
FR2724448A1 (fr) | 1994-09-08 | 1996-03-15 | France Etat | Dispositif d'ejection d'une arme a partir d'un tube lance-armes immerge |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2530425A1 (fr) * | 2011-06-01 | 2012-12-05 | Dcns | Engin sous-marin comportant des moyens de lancement d'un véhicule sous-marin |
EP2530424A1 (fr) * | 2011-06-01 | 2012-12-05 | Dcns | Engin sous-marin comportant des moyens de lancement d'un véhicule sous-marin en auto-démarrage |
FR2976065A1 (fr) * | 2011-06-01 | 2012-12-07 | Dcns | Engin sous-marin comportant des moyens de lancement d'un vehicule sous-marin en auto-demarrage |
FR2976064A1 (fr) * | 2011-06-01 | 2012-12-07 | Dcns | Engin sous-marin comportant des moyens de lancement d'un vehicule sous-marin |
FR3028024A1 (fr) * | 2014-11-05 | 2016-05-06 | Dcns | Dispositif d'ejection d'arme pour un tube lance-arme ; tube lance-arme et sous-marin associes |
Also Published As
Publication number | Publication date |
---|---|
NO991210D0 (no) | 1999-03-11 |
PT942254E (pt) | 2003-01-31 |
NO991210L (no) | 1999-09-13 |
FR2776059B1 (fr) | 2000-04-28 |
ES2185296T3 (es) | 2003-04-16 |
NO317681B1 (no) | 2004-12-06 |
DE69903489T2 (de) | 2003-02-27 |
DK0942254T3 (da) | 2003-01-27 |
EP0942254B1 (fr) | 2002-10-16 |
FR2776059A1 (fr) | 1999-09-17 |
DE69903489D1 (de) | 2002-11-21 |
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