EP0890969B1 - Corps de contact pour un couteau de contact d'un coupe-circuit fusible - Google Patents

Corps de contact pour un couteau de contact d'un coupe-circuit fusible Download PDF

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Publication number
EP0890969B1
EP0890969B1 EP98109525A EP98109525A EP0890969B1 EP 0890969 B1 EP0890969 B1 EP 0890969B1 EP 98109525 A EP98109525 A EP 98109525A EP 98109525 A EP98109525 A EP 98109525A EP 0890969 B1 EP0890969 B1 EP 0890969B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact body
region
slot
maintained
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
EP98109525A
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German (de)
English (en)
Other versions
EP0890969A2 (fr
EP0890969A3 (fr
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.)
Jean Mueller Elektrotechnische Fabrik GmbH
Original Assignee
Jean Mueller Elektrotechnische Fabrik GmbH
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 Jean Mueller Elektrotechnische Fabrik GmbH filed Critical Jean Mueller Elektrotechnische Fabrik GmbH
Publication of EP0890969A2 publication Critical patent/EP0890969A2/fr
Publication of EP0890969A3 publication Critical patent/EP0890969A3/fr
Application granted granted Critical
Publication of EP0890969B1 publication Critical patent/EP0890969B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H01H85/204—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals for low voltage fuses with knife-blade end contacts

Definitions

  • the invention relates to a contact body for receiving a contact blade of a fuse link, in particular an NH (low voltage high power) fuse link, the Contact body is formed from a sheet and at least one for receiving the contact knife Has slot, the contact body one when inserting the fuse link in the Slot of the contact body leading area, which has the function of a switching contact has, as well as a region lagging this area, which has the function of a permanent contact has and the permanent contact takes place in the front areas of the contact body plate.
  • NH low voltage high power
  • Fuses with knife contacts especially NH fuses, are usually divided into two contacted in different ways.
  • the contact can firstly be made between paired flat sides of a resilient Contacting plate, which is usually produced in a U-shape and by self-suspension or if necessary with an additional external suspension, the required contact force is guaranteed.
  • a resilient Contacting plate which is usually produced in a U-shape and by self-suspension or if necessary with an additional external suspension, the required contact force is guaranteed.
  • the U-shape is usually expanded to a lyre shape.
  • the disadvantage of the above-mentioned designs is the low dimensional stability due to aging high temperatures. This can lead to an incidence of contact, which in turn leads to an introduction of the contact knife hindered or even excluded. This drop-in effect can also Intrusion on a short circuit occur because the current dynamic forces contract the contact leg cause. Erosion residues from switching arcs can be handled hinder and reduce the fatigue strength. Increased contact resistance through Dirt lead to higher heating, which in turn has the aging effect described above promote.
  • the second common form of contact is via the face of a sheet.
  • Such Contacts are often realized in an L-shape by varying the number of contacts cover different current ranges.
  • Quadruple contacting can also be done here a U slit in both legs. This shape has the disadvantage that when swiveling in allow the contact blades to bend relatively easily. This effect occurs especially after multiple overload tripping in which the contacts are very strong thermal be charged.
  • a contact body in lyre shape is also known, the two, Provide angled slots in the main surfaces parallel to the contact knife are. These serve the purpose of using spring washers, which the four leg halves outside apply.
  • the contact knife is used in such a way that it is in the direction of the contact knife facing section of the respective slot away from the insulating body of the fuse link.
  • Contact knife also the function of the permanent contact with the above was adverse consequences.
  • DE 16 40 552 A describes a contact body for receiving a contact blade of a fuse link described, wherein the contact body has a tapered insertion area for the contact knife having. In this area, in which the knife touches the contact body for the first time, the permanent contact also takes place, so that the above-described ones also apply to this contact body Disadvantages are noted.
  • an electrical contact device is known, the several, separate Has contact body, which have the function of a switching contact or a permanent contact.
  • Another design provides, in the area of the free ends of the contact knife of the fuse link to provide separate switching contacts, which are installed before the Fuse insert can be contacted in the contact body causing permanent contact.
  • the contact body is formed from a sheet metal and has to receive the Contact knife a slot.
  • the contact body has one when inserting the fuse link in the slot of the contact body leading area through an upper section a resilient contact leg is formed, while an area lagging this area, which is formed by the lower portion of this resilient contact leg, the function of Has permanent contact.
  • the permanent contact takes place in the front areas of the contact body plate.
  • the contact body according to the invention essentially has two areas, which are different Functions are assigned. Ensure the front areas of the contact body plate a safe, permanent contact, especially when an additional external suspension is mounted. The area of the contact body that has the function of the switching contact takes over in the event of an arc load, i.e. when switching on or off, the function a victim contact that protects the contact areas for the permanent contact. The contact of the permanent contact over the front areas of the contact body plate ensures that the Contact occurs over a small area with a large surface pressure. Possibly on the contact knife Dirt is effectively removed from the contact blade when it is switched on and off. The permanent contact preferably takes place along a line. The contact knife is now there over the entire length of the area which has the function of permanent contact on the contact body on. The switch contact should also be made in the front area of the contact body plate, because there is an increased amount of burn-up residues due to the arc load.
  • the contact knife is angled in the area of the slot, in particular is rectangular, and the area of the switching contact the one angular section of the contact knife and the area of the permanent contact is assigned to the other angular section.
  • This training requires increased bending stiffness of the contact body, because a bending only over a twisting of the whole Contact body would be possible. An incidence of the contact is advantageous due to integrated stops prevented.
  • the angled design of the contact body ensures that one Area of the contact body that has the function of the switching contact, not simultaneously has the function of permanent contact.
  • the contact body designed such that the free End of the area of the contact body having the switching contact in the direction of the free one
  • the knife end of the contact knife inserted into the switch contact switches the fuse only in the area of the free end of the contact fair, while the permanent contact at a place of the Contact knife takes place, which is further away from the free end.
  • the Contact body between the area of the switching contact and the area of the permanent contact a tapered section. This is a clear transition between the areas ensured, when the tapered section additionally in the angular range of the contact body is arranged, the bending process of the contact body during its manufacture in particular can be easily accomplished.
  • the contact body has two contact legs. These are by means of one of the attachment of the contact body, for example connected to each other on a base, serving web, the one (first) Contact leg the slot with the associated area of the permanent contact as well as the other (Second) contact leg has a slot with an area for permanent contact, and this Permanent contact in the front area of the contact body plate of the other contact leg takes place, the two slots are preferably aligned. This means that there is permanent contact in two areas of the contact body via the end faces of the contact body plate.
  • the contact body is designed in the form of a cage.
  • the cage through the web, the two legs and a bend including the switching range is formed, one leg and the bend with play in the longitudinal direction of the slot in the area of the bend and / or with play both perpendicular to the longitudinal direction of the slot in the area of the bend as well as perpendicular to Longitudinal direction of the slot in the area of the permanent contacts to each other.
  • storage with play serves the purpose perpendicular to this too wide spreading or merging of the bends representing the switching range prevent.
  • This aforementioned storage with play in two directions can be particularly simple Way to be accomplished when the corresponding parts form-fitting with play interlock, for example when the second leg has pins in the region of its free ends has, which engage with the aforementioned game in recesses in the bends.
  • the width of the slot in the area of the switch contact approximately is equal to the width of the slot in the area of the permanent contact.
  • the contact knife in the area of its introductory portion which is tapered in relation to its width direction, requires that the contact blade contacts the contact body in the area of the switching contact, and preferably in the process spreads before it touches the area of the permanent contact lagging when inserted.
  • the area of the permanent contact should be designed, in particular so long, that the contact knife in its fully inserted position in the contact body out of contact with is the area of the switch contact.
  • a particularly useful design of the contact body provides that in this by the Slit two contact body halves are formed, spring means, in particular in the form of a Spring washer are provided, which engage both halves of the contact body and the two halves to brace each other. If the contact body has two contact legs, both should be with Be provided with spring means. When two contact legs are formed, whether spring means are provided, the switching and thus insertion of the contact knife at low Forces, since only one contact leg is to be spread by the contact knife, while bringing about the permanent contact when inserting the contact knife both contact legs be charged. The contact knife retracts relatively smoothly when switching this is a process for effecting the permanent contact, the more power from the operator requires. The switching process is consequently different when switching on Switching off is the area that forms the switching contact, so that the previously described ones Reverse movements and functions.
  • the contact body is in the form of a closed cage which is slotted for receiving the contact knife and in the lower area for attachment is flattened on the current-carrying rails and provided with holes.
  • Two contact bodies 1 arranged at a distance from one another serve to accommodate the contact knives 2 of a NH fuse link designed in the usual way 3.
  • the respective contact knife 2 has a tapering region 4 in the direction of insertion.
  • the respective contact body 1 is delta-shaped and in the area of a web 5 by means of two screws 6 screwed to a contact plate 7.
  • 2 spring washers 8 are inserted into each contact body 1.
  • the contact body 1 is made from a elongated sheet metal stamping formed, which is symmetrical with respect to the axis 9. Of the Short opposite sides of the sheet metal blank extend slots 10 and 11 on top of each other to. Between these are also symmetrical with respect to the axis 9 and symmetrical a transverse to this axis 13 arranged Y-shaped punched recesses 12, the respective V-shaped legs are directed towards each other.
  • the axis 13 represents the axis of symmetry of the web 5, on which there are two contact legs 17 and 18 and on the Contact leg 18 connects a bend 19.
  • the contact leg 18 to Bend 19 has the sheet metal stamped part in the area of the two contact body halves 15 and 16, Arranged parallel to the axis 13, recesses 20.
  • the bend 19 is symmetrical to Axis 9 provided with holes 21 and accordingly each contact body half 15 and 16 in Area of the free ends of the contact leg 17 on trapezoidal lugs 22, which when completely engage contact body 1 formed in the holes 21.
  • Figure 11 illustrates in four Score the drilling pattern of the web 5.
  • the contact body 1 is either in the area of the center of the hole indicating hole pair 23 or the hole pair 24 can be connected to the contact plate 7.
  • the Both contact body halves 15 and 16 point parallel in the area of the contact legs 17 and 18 cut out strips 25 extending to the slots 10 and 11, with the same orientation are bent out of the plane of the remaining sheet metal stamped part 1a and the receptacle the ends of the spring washers 8 serve.
  • the contact body 1 formed from the stamped sheet metal part 1a is illustrated in FIGS. 7 to 10.
  • the figures show that the contact legs 17 and 18 in the area of the pair of holes 24 are bent up out of the plane of the web 5 so that they form an angle with the web 5 is less than 90 ° and the contact body 1 has a delta shape in this area. Further above, the contact legs 17 and 18 are bent so that they are parallel to each other there are arranged. In the area of the recesses 20, the bend 19 is bent so that it is positioned at right angles to the contact leg 19 and in this position the contact leg 17 engages with its trapezoidal lugs 22 in the holes 21 of the bend 19.
  • the intervention takes place with little play both in the direction of the double arrow X according to the Representation in Figure 7 and the double arrow Y according to the representation in Figure 8.
  • the arrangement of the holes 21 in the bend 19 projects beyond the free end 26 thereof the contact leg 17 out.
  • the bend 19 is oriented parallel to the web 5.
  • the slots 10 and 11 have, apart from the enlarged area of the insertion bevels 27, the contact legs 17 or 18, a constant width that is slightly less than the thickness of the contact knife 2 of the NH fuse link 3 to ensure safe pressing and contacting.
  • the contact body 1 shown in FIGS. 7 to 10 becomes, as shown in the illustration in FIG. 5 and 6 can be seen, completed with the two spring washers 8.
  • the respective spring ring 8 extends essentially over a three-quarter circle and is biased with its ends by inserted into the outside in the two assigned strips 25, the ring being the assigned slot 10 or 11 encloses below.
  • Figures 1 to 4 illustrate the insertion of the NH fuse link 3 in two contact blades 2. These are arranged so that the free ends 26 of the bends 19 from each other point away.
  • the design of the contact body 1 according to the invention ensures that when inserted of the respective contact knife 2 in the associated contact body 1 of this initially only contacted the slot area 11, which is associated with the bend, the two contact body halves 15 and 16 of the contact leg 18 are spread, so that there is a gap between the approaches 15a and 16a.
  • the contact knife 2 is inserted further, it arrives initially only in contact with the gap 11 of the contact leg 18 and thus only has to Closing force acting on the two contact body halves 15 and 16 of this contact leg Overcome spring washer.
  • the contact knife 2 Upon further insertion, as shown in Figure 1, spreads the contact knife 2 also the contact body halves 15 and 16 of the other contact leg 17 counter to the force of the spring ring 8 assigned to it.
  • the maximum spring forces thus act on the respective contact body halves 15 and 16 and clamp the contact knife 2 with the maximum force.
  • the slot 11 in the area of the bend 19 represents the switching area (when closing and opening the contact) and thus has the function of a victim contact on, during the slot 11 in the region of the contact leg 18 and also the slot 10 in the region of the contact leg 17 the function of a permanent contact is required.
  • the contact body described above can be made particularly by punching, embossing and bending easy to manufacture, with the spring washers mounted in a particularly simple manner from the outside can be.
  • the contact body 1 has the shape of a cage, which is particularly suitable, mechanical and absorb electrical forces.
  • the contact knife 2 contacts the contact body 1 both when switching and during permanent contact in the front areas 28 of Contact body plate 1a. The permanent contact takes place in a line contact along the line 29 of the slots 10 and 11 in the area of the contact legs 17 and 18.

Landscapes

  • Contacts (AREA)
  • Fuses (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Table Devices Or Equipment (AREA)

Claims (16)

  1. Corps de contact (1) pour la réception d'une lame de contact (2) d'une cartouche fusible (3), en particulier d'une cartouche fusible faisant office de coupe-circuit basse tension à haut pouvoir de coupure, dans lequel le corps de contact (1) est réalisé à partir d'une tôle (1a) et présente au moins une fente (11) pour la réception de la lame de contact (2), dans lequel le corps de contact (1) présente une zone de déphasage en avant (19) lors de l'insertion de la cartouche fusible (3) dans la fente (11) du corps de contact (1), zone qui joue le rôle d'un contact de commutation, ainsi qu'une zone de déphasage en arrière (18) par rapport à la première zone citée, qui joue le rôle d'un contact permanent, le contact permanent ayant lieu dans les zones frontales (28) de la tôle (1a) du corps de contact, caractérisé en ce que le corps de contact (1) est incurvé dans la zone de la fente (11), en particulier est réalisé sous forme rectangulaire, la zone (19) du contact de commutation étant attribuée à une section angulaire (19) du corps de contact (1) et la zone du contact permanent étant attribuée à l'autre section angulaire (18).
  2. Corps de contact (1) pour la réception d'une lame de contact (2) d'une cartouche fusible (3), en particulier d'une cartouche fusible faisant office de coupe-circuit basse tension à haut pouvoir de coupure, dans lequel le corps de contact (1) est réalisé à partir d'une tôle (1a) et présente au moins une fente (11) pour la réception de la lame de contact (2), dans lequel le corps de contact (1) présente une zone de déphasage en avant (19) lors de l'insertion de la cartouche fusible (3) dans la fente (11) du corps de contact (1), zone qui joue le rôle d'un contact de commutation, ainsi qu'une zone de déphasage en arrière (18) par rapport à la première zone citée, qui joue le rôle d'un contact permanent, le contact permanent ayant lieu dans les zones frontales (28) de la tôle (1a) du corps de contact, caractérisé en ce que le corps de contact (1) est réalisé sous la forme d'une cage (17, 5, 18, 19) fermée le long d'une ligne.
  3. Corps de contact selon la revendication 1 ou 2, caractérisé en ce que le contact permanent a lieu le long d'une ligne (29).
  4. Corps de contact selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le contact de commutation a lieu dans la zone frontale (19) de la tôle (1a) du corps de contact.
  5. Corps de contact selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'extrémité libre (26) de la zone (19) du corps de contact (1), présentant le contact de commutation, est orientée dans la direction de l'extrémité libre de la lame de contact (2) insérée dans le contact de commutation.
  6. Corps de contact selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il présente, entre la zone (19) du contact de commutation et la zone (18) du contact permanent, une section (20, 20) de forme conique.
  7. Corps de contact selon la revendication 6, caractérisé en ce que la section de forme conique (20, 20) est disposée dans la zone angulaire du corps de contact (1).
  8. Corps de contact selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il présente deux branches de contact (17, 18) qui sont reliées l'une à l'autre à l'aide d'un méplat (5), dans lequel une branche de contact (la première branche de contact) (18) présente la fente (11) avec la zone correspondante du contact permanent et l'autre branche de contact (la deuxième branche de contact) (17) présente une fente (10) comportant une zone destinée au contact permanent, ledit contact permanent ayant lieu dans la zone frontale (28) de la tôle (1a) du corps de contact de l'autre branche de contact (17), les deux fentes (10, 11) étant disposées à fleur l'une par rapport à l'autre.
  9. Corps de contact selon l'une quelconque des revendications 2 à 8, caractérisé en ce que le corps de contact (1), respectivement la cage (17, 5, 18, 19) est formée par le méplat (5), par les deux branches (17, 18) et par une incurvation (19) renfermant la zone de commutation, dans lequel une branche (18) et l'incurvation (19) sont disposées l'une par rapport à l'autre avec du jeu en direction longitudinale (Y) de la fente (11) dans la zone de l'incurvation (19) et/ou avec du jeu (X) aussi bien perpendiculairement à la direction longitudinale de la fente (11) dans la zone de l'incurvation (19) que perpendiculairement à la direction longitudinale de la fente (11) dans la zone des contacts permanents.
  10. Corps de contact selon la revendication 9, caractérisé en ce que la deuxième branche (17) présente, dans la zone de ses extrémités libres, des tourillons (22, 22) qui viennent s'insérer dans des évidements (21, 21) dans l'incurvation (19) avec du jeu (X, Y).
  11. Corps de contact selon l'une quelconque des revendications 1 à 10, caractérisé en ce que, dans la position dans laquelle la lame de contact (2) n'est pas insérée dans le corps de contact (1), la largeur de la fente (10, 11) dans la zone (17, 18) du contact de commutation est approximativement égale à la largeur de la fente (11) dans la zone (19) du contact permanent.
  12. corps de contact selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la lame de contact (2) est réalisée sous forme conique dans la zone de son extrémité d'insertion (4) rapportée à sa direction en largeur.
  13. Corps de contact selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la zone (17, 18) du contact permanent est réalisée de telle sorte que la lame de contact (2), dans sa position dans laquelle elle est complètement insérée dans le corps de contact (1), reste à l'écart de la zone (19) du contact de commutation.
  14. Corps de contact selon l'une quelconque des revendications 1 à 13, caractérisé en ce que l'on obtient, dans le corps de contact (1) via la fente (10, 11), deux moitiés de corps de contact (15, 16), des moyens de ressort, en particulier sous la forme d'une rondelle élastique (8), étant prévus qui agissent sur les deux moitiés de corps de contact (15, 16) et tendent les deux moitiés (15, 16) l'une par rapport à l'autre.
  15. Corps de contact selon l'une quelconque des revendications 8 à 14, caractérisé en ce que les deux branches de contact (17, 18) du corps de contact (1) sont munies de moyens de ressort, en particulier de rondelles élastiques (8).
  16. Corps de contact selon la revendication 14 ou 15, caractérisé en ce que les rondelles élastiques (8) sont disposées, avec leur plan annulaire, en position essentiellement parallèle à la branche de contact (17, respectivement 18).
EP98109525A 1997-07-09 1998-05-26 Corps de contact pour un couteau de contact d'un coupe-circuit fusible Expired - Lifetime EP0890969B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19729223A DE19729223A1 (de) 1997-07-09 1997-07-09 Kontaktkörper zur Aufnahme eines Kontaktmessers eines Sicherungseinsatzes
DE19729223 1997-07-09

Publications (3)

Publication Number Publication Date
EP0890969A2 EP0890969A2 (fr) 1999-01-13
EP0890969A3 EP0890969A3 (fr) 1999-12-15
EP0890969B1 true EP0890969B1 (fr) 2002-07-31

Family

ID=7835061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98109525A Expired - Lifetime EP0890969B1 (fr) 1997-07-09 1998-05-26 Corps de contact pour un couteau de contact d'un coupe-circuit fusible

Country Status (6)

Country Link
EP (1) EP0890969B1 (fr)
AT (1) ATE221696T1 (fr)
DE (2) DE19729223A1 (fr)
DK (1) DK0890969T3 (fr)
ES (1) ES2181091T3 (fr)
PT (1) PT890969E (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2809873B1 (fr) * 2000-06-06 2002-12-13 Entrelec Sa Dispositif de contact electrique sectionnable
DE10047566A1 (de) * 2000-09-22 2002-04-18 Mueller Jean Ohg Elektrotech Blockiereinrichtung für Trennmesser
DE10054661C2 (de) 2000-11-03 2003-01-30 Phoenix Contact Gmbh & Co Elektrische Anschluß- oder Verbindungseinrichtung
DE10062634A1 (de) * 2000-12-15 2002-06-27 Mueller Jean Ohg Elektrotech Halter für eine Hakenklemme
DE102004058640B3 (de) * 2004-12-04 2006-05-04 Elektro-Bauelemente Gmbh NH-Kontakt

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH289177A (de) * 1949-07-22 1953-02-28 Gmbh Albrecht Jung Elektrischer Kontakt mit einem starren und einem federnden Teil.
DE1059540B (de) * 1956-04-28 1959-06-18 Karl Pfisterer Kommanditgesell Elektrische Kontaktvorrichtung, insbesondere fuer ein Sicherungsunterteil
CH429869A (de) * 1966-02-15 1967-02-15 Weber Ag Fab Elektro Kontaktvorrichtung zur Aufnahme eines Messergegenkontaktes
DE1640552C3 (de) * 1966-09-08 1975-01-16 Albrecht Jung Gmbh, 7969 Ostrach Federung für die Aufnahmekontakte von Schaltgeräten
CH533356A (fr) * 1971-07-23 1973-01-31 Gardy Particip App Dispositif de contact pour couteau d'extrémité de cartouche de coupe-circuit
DE2606583A1 (de) * 1976-02-19 1977-08-25 Leopold Neu Aufnahmekontakt fuer leichte schaltbarkeit
DE2756450C2 (de) * 1977-12-17 1982-09-02 Felten & Guilleaume Carlswerk AG, 5000 Köln Lyra-Aufnahmekontakt für messerartige Gegenkontakte
DE3622833A1 (de) * 1986-07-08 1988-02-25 Pfisterer Elektrotech Karl Kontaktkoerper

Also Published As

Publication number Publication date
PT890969E (pt) 2002-12-31
ATE221696T1 (de) 2002-08-15
DE19729223A1 (de) 1999-01-21
DE59804970D1 (de) 2002-09-05
EP0890969A2 (fr) 1999-01-13
DK0890969T3 (da) 2002-11-11
ES2181091T3 (es) 2003-02-16
EP0890969A3 (fr) 1999-12-15

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