EP0759533B1 - Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition - Google Patents

Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition Download PDF

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Publication number
EP0759533B1
EP0759533B1 EP96402459A EP96402459A EP0759533B1 EP 0759533 B1 EP0759533 B1 EP 0759533B1 EP 96402459 A EP96402459 A EP 96402459A EP 96402459 A EP96402459 A EP 96402459A EP 0759533 B1 EP0759533 B1 EP 0759533B1
Authority
EP
European Patent Office
Prior art keywords
projectile
charge
penetrator
bar
projectile according
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
Application number
EP96402459A
Other languages
English (en)
French (fr)
Other versions
EP0759533A3 (de
EP0759533A2 (de
Inventor
Michel Brule
Alain Darrigade
Alain Kerdraon
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.)
Giat Industries SA
Original Assignee
Giat Industries SA
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 Giat Industries SA filed Critical Giat Industries SA
Priority to DE1994617769 priority Critical patent/DE69417769T2/de
Priority to EP96402459A priority patent/EP0759533B1/de
Publication of EP0759533A2 publication Critical patent/EP0759533A2/de
Publication of EP0759533A3 publication Critical patent/EP0759533A3/de
Application granted granted Critical
Publication of EP0759533B1 publication Critical patent/EP0759533B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42CAMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00Details of fuzes
    • F42C19/08Primers; Detonators
    • F42C19/0823Primers or igniters for the initiation or the propellant charge in a cartridged ammunition
    • F42C19/0834Arrangements of a multiplicity of primers or detonators dispersed within a propellant charge for increased efficiency
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/04Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F42B12/16Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge in combination with an additional projectile or charge, acting successively on the target

Definitions

  • the field of the present invention is that of perforation projectiles, in particular anti-tank projectiles or anti bunkers.
  • Such projectiles can be fired from a cannon tank or light armament without recoil.
  • US-A-4,463,678 describes a projectile hybrid comprising at its front part an alloy bar of tungsten and a hollow charge at its rear.
  • Such a projectile is difficult to manufacture since it requires the creation of a large cavity inside the bar.
  • Patent DE-C'-3,229,220 describes a projectile comprising its front part a hollow charge and at its rear part a bar.
  • the bar is secured to a connecting piece disposed behind the shaped charge.
  • FR-A-971 379 which forms a basis for the preamble of claim 1, shows a burst shell which carries attached to its warhead an explosive charge of the hollow charge type. The still an increase in the length of the shell causes a increased size of the projectile.
  • the invention aims in particular to propose a projectile with improved perforation performance while being easy to manufacture and retaining space limit.
  • the invention also relates to a munition equipped with such a projectile.
  • the subject of the invention is a projectile of perforation comprising a bar and a shaped charge consisting of an envelope containing an explosive charge, a coating and a priming device, characterized in that the explosive charge is provided with a housing intended to receive at least part of the body of the bar, the device priming being annular and traversed by the bar.
  • the bar is coaxial with the envelope and extends inside it until coating.
  • the charge formed is a charge generating the core and the bar, coaxial with the envelope, crosses the coating.
  • the bar extends to the outside of the envelope at a rear part of the latter and carries a stabilization device.
  • the priming device will advantageously include a plate, inclined with respect to the axis of the envelope, plate intended to be projected onto the explosive charge by the detonation of a priming explosive tablet.
  • the projectile may include an impact switch arranged at the end of a warhead.
  • It may include a proximity detector arranged at the end of a warhead.
  • the invention also relates to ammunition in which the projectile is secured to a socket containing a propellant charge.
  • the invention also relates to ammunition in which the projectile is integral with a propellant and in which the bar has a rear portion which extends to inside the thruster.
  • the propellant may have several nozzles regularly distributed angularly and in solidarity with lateral surface of the thruster, these nozzles being inclined relative to an axis of the ammunition.
  • a projectile of perforation 1 comprises a bar 2 in heavy material, for example Tungsten alloy or of Uranium, and a charge formed 3.
  • the formed charge 3 is here a hollow charge, it comprises in a known manner a light alloy casing 4 (such as an aluminum alloy) inside which is setting up an explosive charge 5 on which is a coating 6 made of ductile material (for example in copper).
  • a light alloy casing 4 such as an aluminum alloy
  • an explosive charge 5 on which is a coating 6 made of ductile material (for example in copper).
  • the projectile also includes an alloy warhead 9 lightweight with an impact switch at its front end 10.
  • the impact switch is connected by wires (not shown) to an annular priming device 7 which is crossed by the bar 2. This priming device will be described more precisely below.
  • the bar 2 comprises a front part 2a which is located inside the explosive charge 5.
  • the bar 2 extends thus of a length L1 inside the envelope 4.
  • the bar carries at its rear part a device for stabilization 8, for example a tail.
  • this projectile is as follows. AT the impact on a target the contactor 10 causes by through ring priming 7 initiating the shaped charge 3 at an optimal distance given by the warhead 9.
  • the target's perforation is increased by the action of the bar 2 made of heavy material.
  • a front part of the bar being arranged inside of the explosive charge, it is thus possible to conceive a projectile with a longer bar, therefore more effective from the perforation point of view, without modifying the total length L2 of the projectile.
  • Figure 2 shows a projectile according to such a variant.
  • Figure 3 shows a second embodiment of the projectile according to the invention.
  • the charge formed 3 is a charge nucleus generator, i.e. a charge whose coating 6 is deformed by detonation of the charge explosive 5 so as to constitute an aerodynamically projectile stable.
  • the initiation of the explosive charge is caused by a proximity sensor 11 placed at the end of the warhead 9 and connected by wires (not shown) to the device boot 7.
  • the proximity detector is for example of the infrared type passive red or radar type.
  • the bar 2 crosses the covering 6.
  • Such an embodiment makes it possible to increase the terminal effectiveness of the projectile because it authorizes the setting in place of a long bar.
  • the bar thus plays the role of a cylindrical mandrel around which the core will lengthen, we thus obtain a tubular core which has great stability on path.
  • FIG. 4 schematically represents a first mode of creation of the charge initiating device 7 explosive 5.
  • This device includes a safety device and weapon 14 of known type comprising in particular a source of energy (not shown) and a primer 13 with initiation which is carried by a flap 15.
  • the flap is shown in this figure in position army, the primer is then next to a tablet initiating explosive 12 (eg, hexogen / wax).
  • a tablet initiating explosive 12 eg, hexogen / wax
  • the tablet is annular, it has a shape cylindrical limited by a plane 12a inclined relative to the axis of the tablet (which coincides with the axis of envelope 4).
  • the primer is positioned substantially at the level of an external generator 27 of the tablet 12.
  • the generator 27 is the shortest generator of this tablet counts given the inclined plane 12a.
  • the tablet 12 is separated from the explosive charge by a free space 17 and a plate 16.
  • the plate is substantially parallel to the inclined plane 12a, it is produced in a Copper or stainless steel type material.
  • the free space 17 is delimited on the one hand by the plate 16 and on the other hand by a flat surface 5a of the load explosive 5, surface perpendicular to the axis of the load explosive.
  • the free space 17 will preferably be filled by a block compressible foam to ensure the rigidity of the mounting while allowing a projection of the plate 16 on the explosive charge during the initiation of the initiating explosive 12.
  • a type of foam that can be used is described by patent FR-A-2,660,427.
  • a disc 18 is arranged between the tablet 12 and the plate 16. It is made of flexible material, for example rubber and comes into contact with the bar 2 on the one hand and on the other hand the envelope 4.
  • the function of the disc 18 is to provide a seal between the tablet and the explosive charge by prohibiting the passage of gases resulting from the initiation of the tablet to the explosive charge 5.
  • the priming device is assembled by stacking of the different components.
  • the foam block, plate 16, disc 18 and tablet 12 we thus obtain a compact set which is put easily in place in envelope 4. This set is then axially immobilized by the safety device and armament 14 which is itself made integral with the casing 4, for example by threading.
  • the operation of the priming device 7 is the following.
  • the primer After arming the security and arming device 14, the primer adopts the position shown in FIG. 4. A approaching a target, proximity sensor 11 (or the impact switch 10) initiates initiation 13. The latter detonates the priming composition 12. The detonation wavefront progresses in the tablet 12 with a substantially spherical shape centered on primer 13.
  • This wavefront will cause the projection of the plate 16 on the flat face 5a of the explosive charge 5 and the initiation of the latter.
  • the inclination of the plate relative to the axis of the tablet 12 is chosen so that the entire plate 16 comes to impact on the surface 5a at the same instant.
  • the explosive charge 5 is therefore initiated with a substantially planar detonation wave.
  • primers regularly distributed angularly around the bar 2. These primers will all be initiated at the same time through an appropriate electronic system and they will generate in the tablet 12 a wave substantially plane.
  • the tablet 12 will not then have the face 12a inclined and can come directly into contact with the face plane 5a of the explosive charge 5.
  • FIG. 5 schematically represents a second mode for making the load initiating device 7 explosive 5.
  • This device includes a safety device and weapon 14 of known type comprising in particular a source of energy (not shown) and a primer 13 with initiation which is carried by a flap 15.
  • the flap is shown in this figure in position army, the primer is then next to a first ignition relay 30.
  • This first relay is connected by detonating cords 31 to four secondary ignition relays 32 arranged in a support plate 33.
  • the four secondary relays are regularly distributed angularly around the bar as can be seen on Figure 5a.
  • the support plate is in contact with a tablet ring of initiating explosive 12 (for example of hexogen / wax), compressed itself in contact with the explosive charge 5.
  • initiating explosive 12 for example of hexogen / wax
  • the four detonating cords 31 are substantially of same length to ensure simultaneous initiation of four secondary relays 32 by the primary relay 30.
  • the cords 31 will be embedded in a resin 34 which will fill all the space between the safety device and 14 of the support plate 33.
  • the priming device is assembled by stacking of the different components.
  • the operation of the priming device 7 is the following.
  • the primer After arming the security and arming device 14 the primer adopts the position shown in FIG. 5. A approaching a target, proximity sensor 11 (or the impact switch 10) initiates initiation 13. The latter detonates the primary relay 30 which simultaneously initiates the four secondary relays 32.
  • initiation composition 12 which will in turn initiate explosive charge 5 with a front substantially planar detonation wave.
  • Figure 6 schematically shows ammunition cartridge, for example a large caliber ammunition for tank, ammunition comprising a projectile according to the invention.
  • the ammunition comprises in known manner a socket 19 (for example a combustible case) which carries to its part rear a metal base 21 on which is fixed a tube igniter 22.
  • a socket 19 for example a combustible case
  • a metal base 21 on which is fixed a tube igniter 22.
  • the socket contains a propellant charge 20 per example consisting of grains of powder based on nitrocellulose.
  • the ammunition 1 according to the invention is made integral with the socket for example by means of a connection ring of the type of that described in patent FR8712484.
  • the rear part of the bar 2 which carries the empennage 8 penetrates deeply in the propellant charge.
  • FIG. 7 schematically represents a munition of the rocket type comprising a projectile according to the invention.
  • the projectile 1 is made integral with a propellant 23 which includes a case 24 (for example of composite material) inside which is a propellant block 25.
  • the case carries at its rear part a nozzle 26 disposed along the axis of the ammunition.
  • An ignition device not shown ensures in known manner the ignition of the block propellant when firing the rocket.
  • Bar 2 does not have a tail since the assembly projectile 1 and propellant 23 remains united throughout the trajectory of the ammunition.
  • the propellant block has a housing inside from which comes a rear part 2b of the bar 2. The latter thus extends inside the propellant over a length D1.
  • the bar can thus extend substantially up to the nozzle 26.
  • the invention thus authorizes the design of ammunition extremely compact and with kinetic bars very long.
  • This rocket-type ammunition can be fired at from a recoil-less launcher or from a aircraft.
  • Figure 8 shows a second variant of rocket comprising a projectile according to the invention.
  • the nozzle 26 is replaced here by four nozzles 26a, 26b, 26c and 26d which are arranged on the lateral surface cylindrical of the case 24 and form an angle with the axis 28 ammunition.
  • the advantage of such a configuration is that it authorizes the installation of a longer bar which can extend to the bottom 29 of the case 24 and possibly able to cross this bottom and wear a empennage.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (10)

  1. Durchschlaggeschoß (1) mit einem Stab (2) und einer geformten Ladung (3), bestehend aus einem Mantel (4), der eine Sprengladung (5) enthält, einer Beschichtung (6) und einer Zündvorrichtung (7), dadurch gekennzeichnet, daß die geformte Ladung (3) eine Aussparung entspricht, die mindestens einen Teil (2a) des Stabs aufnimmt, die Zündvorrichtung ringförmige sein kann und die von dem Stab durchquert wird.
  2. Geschoß gemäß dem Anspruch 1, gekennzeichnet dadurch, daß der Stab (2) koaxial zum Mantel (4) liegt, und in Inneren dieses Mantels in Berührung mit der Beschichtung erstreckt.
  3. Geschoß gemäß dem Anspruch 1, gekennzeichnet dadurch, daß die deformeten Ladung (3) eine kernbildende Ladung ist und in daß der Stab (2), der koaxial zum Mantel (4) liegt, die Beschichtung (6) durchquert.
  4. Geschoß gemäß einem der Ansprüche 1 bis 3, gekennzeichnet dadurch, daß der Stab (2) ausserhalb des Mantels (4) auf der Ebene eines hinteren Teils des Mantels erstreckt, und eine Stabilisierungs vorrichtung (8) trägt.
  5. Geschoß gemäß einem der Ansprüche 1 bis 4, gekennzeichnet dadurch, daß das die Zündvorrichtung (7) eine in Bezung auf die Achse des Mantels (4) neigene Platte (16) aufweist, die Detonation der Zündladungspastille (12) bewirkend den Wurf der Platte auf die Spreng Ladung (5).
  6. Geschoß gemäß einem der Ansprüche 1 bis 5, gekennzeichnet dadurch, daß es einen Aufprallschalter (10) aufweist, der am Ende einer Geschoßspitze (9) angebracht ist.
  7. Geschoß gemäß einem der Ansprüche 1 bis 5, gekennzeichnet dadurch, daß es einen Näherungsfühler (11) aufweist, der am Ende einer Geschoßspitze (9) angebracht ist.
  8. Munition mit einem Geschoß gemäß einem der Ansprüche 1 bis 7, gekennzeichnet dadurch, daß das Geschoß (1) fest mit einer Hülse (9) verbunden ist, die eine Treibladung (20) enthält.
  9. Munition mit einem Geschoß gemäß einem der Ansprüche 1 bis 7, gekennzeichnet dadurch, daß das Geschoß (1) fest mit einem Triebwerk (23) verbunden ist, und dadurch, daß der Stab (2) einen hinteren Teil (2b) enthält, der sich im Inneren des Triebwerks (23) erstreckt.
  10. Geschoß gemäß dem Anspruch 9, gekennzeichnet dadurch, daß das Triebwerk mehrere Düsen (26a, 26b, 26c, 26d) regelmäßig winkelig verteilt aufweist, die mit einer Seitenfläche des Triebwerks (23) fest verbunden und in bezug auf eine Achse (28) der Munition geneigt sind.
EP96402459A 1994-01-20 1994-01-20 Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition Expired - Lifetime EP0759533B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE1994617769 DE69417769T2 (de) 1994-01-20 1994-01-20 Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition
EP96402459A EP0759533B1 (de) 1994-01-20 1994-01-20 Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96402459A EP0759533B1 (de) 1994-01-20 1994-01-20 Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition
EP19940400119 EP0664433B1 (de) 1994-01-20 1994-01-20 Panzerabwehrgeschoss und eine mit einem solchen Geschoss versehene Munition

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19940400119 Division EP0664433B1 (de) 1994-01-20 1994-01-20 Panzerabwehrgeschoss und eine mit einem solchen Geschoss versehene Munition
EP94400119.7 Division 1994-01-20

Publications (3)

Publication Number Publication Date
EP0759533A2 EP0759533A2 (de) 1997-02-26
EP0759533A3 EP0759533A3 (de) 1997-03-26
EP0759533B1 true EP0759533B1 (de) 1999-04-07

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP96402459A Expired - Lifetime EP0759533B1 (de) 1994-01-20 1994-01-20 Panzerbrechendes Geschoss und mit einem solchen Geschoss versehene Munition
EP19940400119 Expired - Lifetime EP0664433B1 (de) 1994-01-20 1994-01-20 Panzerabwehrgeschoss und eine mit einem solchen Geschoss versehene Munition

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19940400119 Expired - Lifetime EP0664433B1 (de) 1994-01-20 1994-01-20 Panzerabwehrgeschoss und eine mit einem solchen Geschoss versehene Munition

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EP (2) EP0759533B1 (de)
DE (1) DE69405376T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29710228U1 (de) * 1997-06-13 1998-10-15 Diehl Stiftung & Co., 90478 Nürnberg Geschoß für Rohrwaffen
DE10213466A1 (de) * 2002-03-26 2003-10-09 Rheinmetall W & M Gmbh Geschoßkörper

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR971379A (fr) * 1940-04-24 1951-01-16 Obus de rupture perfectionné
FR1002092A (fr) * 1946-07-25 1952-03-03 Soc Tech De Rech Ind Perfectionnements aux projectiles perforants
NL294689A (de) * 1963-06-27
US3302570A (en) * 1965-07-23 1967-02-07 Walter G Finch Armor piercing, fragmenting and incendiary projectile
US3935817A (en) * 1971-07-28 1976-02-03 General Dynamics Corporation Penetrating spear
US4463678A (en) 1980-04-01 1984-08-07 The United States Of America As Represented By The Secretary Of The Navy Hybrid shaped-charge/kinetic/energy penetrator
DE3229220C1 (de) * 1982-08-05 1992-01-09 Diehl Gmbh & Co Unterkalibriges Treibspiegelgeschoss
US4573412A (en) * 1984-04-27 1986-03-04 The United States Of America As Represented By The Secretary Of The Army Plug nozzle kinetic energy penetrator rocket
US4841864A (en) 1988-02-09 1989-06-27 The United States Of America As Represented By The Secretary Of The Army Controlled explosively formed penetrator

Also Published As

Publication number Publication date
EP0759533A3 (de) 1997-03-26
EP0664433B1 (de) 1997-09-03
DE69405376T2 (de) 1998-02-05
DE69405376D1 (de) 1997-10-09
EP0664433A1 (de) 1995-07-26
EP0759533A2 (de) 1997-02-26

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