EP0984525A1 - Elastic female contact for miniature connector - Google Patents

Elastic female contact for miniature connector Download PDF

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Publication number
EP0984525A1
EP0984525A1 EP99402121A EP99402121A EP0984525A1 EP 0984525 A1 EP0984525 A1 EP 0984525A1 EP 99402121 A EP99402121 A EP 99402121A EP 99402121 A EP99402121 A EP 99402121A EP 0984525 A1 EP0984525 A1 EP 0984525A1
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EP
European Patent Office
Prior art keywords
contact
tube
socket
pin
annular
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
Application number
EP99402121A
Other languages
German (de)
French (fr)
Other versions
EP0984525B1 (en
Inventor
Gilbert Spinnato
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.)
FCI SA
Original Assignee
Framatome Connectors International SAS
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Filing date
Publication date
Application filed by Framatome Connectors International SAS filed Critical Framatome Connectors International SAS
Publication of EP0984525A1 publication Critical patent/EP0984525A1/en
Application granted granted Critical
Publication of EP0984525B1 publication Critical patent/EP0984525B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets

Definitions

  • the present invention relates to a contact elastic socket for ultra-thin connector.
  • the invention also relates to a set of connectors comprising a connector fitted with at least a socket contact, i.e. female and a connector fitted with at least one male contact in the form of brooch.
  • the problem technique to be resolved relates to positioning and, especially when connecting, at ease inserting male connector pins complementary. Indeed, a slight axial shift of one or more pins prohibits easy connection or at least without deterioration. In addition, this phenomenon is amplified with play or wear which inevitably appears in time.
  • the known solution consists in designing the sleeve with a recentering means tending to bring back in the same axis the spindle and the socket.
  • This means of refocusing consists of a protective tube surrounding the socket. The diameter of this tube protection being by definition greater than the diameter of the socket, when the spindle is slightly offset, the latter is brought back or re-piloted when the pin comes into contact with the tube.
  • the object of the present invention is to remedy to the above drawback.
  • the invention thus relates to a socket contact elastic for ultraminiature connector, socket elastic being intended to receive axially a pin-shaped male contact, this socket being coaxially surrounded by a recentering tube pin-shaped contact.
  • this socket contact is characterized in that the end of the tube intended for receive the pin-shaped contact includes a annular groove, projecting inside the tube, and having a curved surface, this groove being extended towards the end of the tube by a border annular having a projecting curved surface outwards.
  • the internal diameter of the free end of said annular border is greater than the inside diameter measured at said groove and is less than the diameter of the rest of the tube.
  • the assembly of connectors comprising a connector equipped with minus one contact socket type above and one connector fitted with at least one male contact in the form of pin is characterized in that said male contact in pin shape has a pointed end.
  • This sharp form of male contact improves even more the ability to refocus in the event of axial offset of the male contact relative to the tube.
  • the contact in the form of spindle is mounted inside an insulating housing the end of which is extended beyond the end of the pin-shaped contact, the end of this housing comprising an annular chamfer directed towards the axis of the tube.
  • Figure 1 shows a socket contact elastic for ultra-thin connector including micro D type.
  • This elastic sleeve 1 is intended for axially receive a male contact 2 in the form of brooch.
  • the socket 1 is surrounded coaxially by a metal tube 3 for centering the contact 2 in the form of brooch.
  • the end of the tube 3 intended to receive and guide the contact 2 in the form of spindle comprises an annular groove 4 produced by deformation and having a curved surface 5.
  • This curved surface 5 projects at inside the tube 3.
  • the groove 4 is extended towards the end 6 of the tube 3 by an annular edge 7 having a curved surface 8 projecting outwards.
  • the inside diameter of the free end 6 of the annular border 7 is greater than the diameter interior measured at throat 4.
  • the internal diameter of the free end 6 of the annular border 7 is smaller than the diameter of the rest of the tube 3.
  • the tube 3 has a diameter equal to approximately 0.76 mm, the radius of curvature of the groove 4 is of the order of 0.05 mm and the radius of curvature of the border 7 is of the order of 0.08 mm.
  • the upper edge 6 of the tube 3 and the apex of the curved surface 5 protruding inside the tube 3 form a cone C, which allows the engagement of the male contact 2 to be refocused in the contact female socket 1, despite the axial offset d of the male contact 2.
  • Figure 1 clearly shows that without the recentering tube 3 the male contact 2 could not engage in the socket contact 1 since the axial offset d is greater than half the diameter of the inlet opening la of the socket contact 1.
  • the male contact 2a in the form of a pin at a pointed end 2b.
  • This pointed end 2b makes it possible to increase even more the ability to refocus the tube 3.
  • pin-shaped contact 2, 2a is housed at the interior of an insulating housing 9 whose end is extended beyond the end 2c, 2b of the contact in pin shape.
  • the end 10 of this housing 9 has a annular chamfer 11 directed towards the axis of the tube 3.
  • Chamfer 11 helps guide more effectively the end of the tube 3 and therefore promotes also the refocusing of the male contact 2, 2a by relative to the axis of the socket contact 1.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The elastic contact socket (1) receives a male connector (2) in the form of a pin, and is coaxially surrounded by a centering tube (3) in the shape of the pin. The ends of the tube for receiving the pin includes an annular groove (4) presenting a curved interior surface (5), this groove extending towards the end of the tube by an annular border (7) having a curved surface (8) projecting towards the exterior.

Description

La présente invention concerne un contact douille élastique pour connecteur ultraminiature.The present invention relates to a contact elastic socket for ultra-thin connector.

L'invention concerne également un ensemble de connecteurs comportant un connecteur équipé d'au moins un contact douille, c'est-à-dire femelle et un connecteur équipé d'au moins un contact mâle en forme de broche.The invention also relates to a set of connectors comprising a connector fitted with at least a socket contact, i.e. female and a connector fitted with at least one male contact in the form of brooch.

Compte tenu de la fragilité et de la taille très réduite de tels contacts femelles et par conséquent de la taille de leur orifice d'entrée, le problème technique à résoudre est relatif au positionnement et, particulièrement lors de la connexion, à la facilité d'insertion des broches mâles du connecteur complémentaire. En effet, un léger décalage axial d'une ou plusieurs broches interdit une connexion aisée ou tout au moins sans détérioration. En outre, ce phénomène est amplifié avec le jeu ou l'usure qui inévitablement apparaít dans le temps.Given the fragility and size very reduced such female contacts and therefore the size of their inlet, the problem technique to be resolved relates to positioning and, especially when connecting, at ease inserting male connector pins complementary. Indeed, a slight axial shift of one or more pins prohibits easy connection or at least without deterioration. In addition, this phenomenon is amplified with play or wear which inevitably appears in time.

La solution connue consiste à concevoir la douille avec un moyen de recentrage tendant à ramener dans le même axe la broche et la douille. Ce moyen de recentrage est constitué par un tube de protection entourant la douille. Le diamètre de ce tube de protection étant par définition supérieur au diamètre de la douille, lorsque la broche est légèrement décalée, cette dernière est ramenée ou repilotée au moment où la broche rentre en contact avec le tube.The known solution consists in designing the sleeve with a recentering means tending to bring back in the same axis the spindle and the socket. This means of refocusing consists of a protective tube surrounding the socket. The diameter of this tube protection being by definition greater than the diameter of the socket, when the spindle is slightly offset, the latter is brought back or re-piloted when the pin comes into contact with the tube.

Cependant, cette solution n'est véritablement exploitable que lorsque le décalage axial est faible. En effet à partir d'un certain seuil de décalage, la broche va également forcer l'entrée du tube et rapidement se dégrader ou détériorer le tube et le nombre de connexions/déconnexions possibles sans détérioration devient également assez limité.However, this solution is not really only usable when the axial offset is small. In effect from a certain offset threshold, the pin will also force the entry of the tube and quickly degrade or deteriorate the tube and the number of connections / disconnections possible without deterioration also becomes quite limited.

Le but de la présente invention est de remédier à l'inconvénient ci-dessus.The object of the present invention is to remedy to the above drawback.

L'invention vise ainsi un contact douille élastique pour connecteur ultraminiature, la douille élastique étant destinée à recevoir axialement un contact mâle en forme de broche, cette douille étant entourée coaxialement par un tube de recentrage du contact en forme de broche.The invention thus relates to a socket contact elastic for ultraminiature connector, socket elastic being intended to receive axially a pin-shaped male contact, this socket being coaxially surrounded by a recentering tube pin-shaped contact.

Suivant l'invention, ce contact douille est caractérisé en ce que l'extrémité du tube destinée à recevoir le contact en forme de broche comprend une gorge annulaire, faisant saillie à l'intérieur du tube, et présentant une surface courbe, cette gorge étant prolongée vers l'extrémité du tube par une bordure annulaire présentant une surface courbe faisant saillie vers l'extérieur.According to the invention, this socket contact is characterized in that the end of the tube intended for receive the pin-shaped contact includes a annular groove, projecting inside the tube, and having a curved surface, this groove being extended towards the end of the tube by a border annular having a projecting curved surface outwards.

Grâce à la gorge annulaire et au rebord ci-dessus ménagés à l'extrémité du tube de centrage, le pouvoir de recentrage de celui-ci par rapport au contact mâle en cas de décalage axial de celui-ci est nettement amélioré par rapport aux solutions connues.Thanks to the annular groove and the rim above formed at the end of the centering tube, the power to refocus it with respect to contact male in the event of an axial shift thereof is clearly improved compared to known solutions.

De préférence, le diamètre intérieur de l'extrémité libre de ladite bordure annulaire est supérieur au diamètre intérieur mesuré au niveau de ladite gorge et est inférieur au diamètre du reste du tube.Preferably, the internal diameter of the free end of said annular border is greater than the inside diameter measured at said groove and is less than the diameter of the rest of the tube.

Ces caractéristiques améliorent encore davantage le pouvoir de recentrage du tube par rapport au contact mâle.These features further enhance the refocusing power of the tube with respect to the contact male.

Selon un autre aspect de l'invention, l'ensemble de connecteurs comportant un connecteur équipé d'au moins un contact douille de type ci-dessus et un connecteur équipé d'au moins un contact mâle en forme de broche est caractérisé en ce que ledit contact mâle en forme de broche a une extrémité pointue.According to another aspect of the invention, the assembly of connectors comprising a connector equipped with minus one contact socket type above and one connector fitted with at least one male contact in the form of pin is characterized in that said male contact in pin shape has a pointed end.

Cette forme pointue du contact mâle améliore encore davantage la faculté de recentrage en cas de décalage axial du contact mâle par rapport au tube.This sharp form of male contact improves even more the ability to refocus in the event of axial offset of the male contact relative to the tube.

De préférence également, le contact en forme de broche est monté à l'intérieur d'un logement isolant dont l'extrémité est prolongée au-delà de l'extrémité du contact en forme de broche, l'extrémité de ce logement comportant un chanfrein annulaire dirigé vers l'axe du tube.Also preferably, the contact in the form of spindle is mounted inside an insulating housing the end of which is extended beyond the end of the pin-shaped contact, the end of this housing comprising an annular chamfer directed towards the axis of the tube.

D'autres particularités et avantages de l'invention apparaítront encore dans la description ci-après.Other features and advantages of the invention will appear further in the description below.

Aux dessins annexés donnés à titre d'exemples non limitatifs :

  • la figure 1 est une vue en coupe longitudinale d'un contact douille entouré par son tube de centrage et d'un contact mâle décalé axialement par rapport au contact douille ;
  • la figure 2 est une vue analogue à la figure 1 montrant un autre mode de réalisation du contact mâle.
In the appended drawings given by way of nonlimiting examples:
  • Figure 1 is a longitudinal sectional view of a socket contact surrounded by its centering tube and a male contact axially offset from the socket contact;
  • Figure 2 is a view similar to Figure 1 showing another embodiment of the male contact.

La figure 1 représente un contact douille élastique pour connecteur ultraminiature notamment du type micro D.Figure 1 shows a socket contact elastic for ultra-thin connector including micro D type.

Cette douille élastique 1 est destinée à recevoir axialement un contact mâle 2 en forme de broche.This elastic sleeve 1 is intended for axially receive a male contact 2 in the form of brooch.

La douille 1 est entourée coaxialement par un tube 3 métallique de recentrage du contact 2 en forme de broche.The socket 1 is surrounded coaxially by a metal tube 3 for centering the contact 2 in the form of brooch.

Conformément à l'invention, l'extrémité du tube 3 destinée à recevoir et guider le contact 2 en forme de broche comprend une gorge annulaire 4 réalisée par déformation et présentant une surface courbe 5. According to the invention, the end of the tube 3 intended to receive and guide the contact 2 in the form of spindle comprises an annular groove 4 produced by deformation and having a curved surface 5.

Cette surface courbe 5 fait saillie à l'intérieur du tube 3.This curved surface 5 projects at inside the tube 3.

La gorge 4 est prolongée vers l'extrémité 6 du tube 3 par une bordure annulaire 7 présentant une surface courbe 8 faisant saillie vers l'extérieur.The groove 4 is extended towards the end 6 of the tube 3 by an annular edge 7 having a curved surface 8 projecting outwards.

Le diamètre intérieur de l'extrémité libre 6 de la bordure annulaire 7 est supérieur au diamètre intérieur mesuré au niveau de la gorge 4.The inside diameter of the free end 6 of the annular border 7 is greater than the diameter interior measured at throat 4.

D'autre part, le diamètre intérieur de l'extrémité libre 6 de la bordure annulaire 7 est inférieur au diamètre du reste du tube 3.On the other hand, the internal diameter of the free end 6 of the annular border 7 is smaller than the diameter of the rest of the tube 3.

A titre d'exemple non limitatif, le tube 3 a un diamètre égal à environ 0,76 mm, le rayon de courbure de la gorge 4 est de l'ordre de 0,05 mm et le rayon de courbure de la bordure 7 est de l'ordre de 0,08 mm.By way of nonlimiting example, the tube 3 has a diameter equal to approximately 0.76 mm, the radius of curvature of the groove 4 is of the order of 0.05 mm and the radius of curvature of the border 7 is of the order of 0.08 mm.

Comme montré par la figure 1, le bord supérieur 6 du tube 3 et le sommet de la surface courbe 5 faisant saillie à l'intérieur du tube 3 forment un cône C, qui permet de recentrer l'engagement du contact mâle 2 dans le contact douille femelle 1, malgré le décalage axial d du contact mâle 2.As shown in FIG. 1, the upper edge 6 of the tube 3 and the apex of the curved surface 5 protruding inside the tube 3 form a cone C, which allows the engagement of the male contact 2 to be refocused in the contact female socket 1, despite the axial offset d of the male contact 2.

La figure 1 montre manifestement que sans le tube de recentrage 3 le contact mâle 2 ne pourrait pas s'engager dans le contact douille 1 puisque le décalage axial d est supérieur à la moitié du diamètre de l'ouverture d'entrée la du contact douille 1.Figure 1 clearly shows that without the recentering tube 3 the male contact 2 could not engage in the socket contact 1 since the axial offset d is greater than half the diameter of the inlet opening la of the socket contact 1.

Dans l'exemple de la figure 2, le contact mâle 2a en forme de broche a une extrémité pointue 2b.In the example of figure 2, the male contact 2a in the form of a pin at a pointed end 2b.

Cette extrémité pointue 2b permet d'augmenter encore davantage la faculté de recentrage du tube 3.This pointed end 2b makes it possible to increase even more the ability to refocus the tube 3.

On voit d'autre part sur les figures 1 et 2 que le contact en forme de broche 2, 2a est logé à l'intérieur d'un logement isolant 9 dont l'extrémité est prolongée au-delà de l'extrémité 2c, 2b du contact en forme de broche. We see on the other hand in Figures 1 and 2 that the pin-shaped contact 2, 2a is housed at the interior of an insulating housing 9 whose end is extended beyond the end 2c, 2b of the contact in pin shape.

L'extrémité 10 de ce logement 9 comporte un chanfrein annulaire 11 dirigé vers l'axe du tube 3.The end 10 of this housing 9 has a annular chamfer 11 directed towards the axis of the tube 3.

Le chanfrein 11 permet de guider plus efficacement l'extrémité du tube 3 et donc favorise également le recentrage du contact mâle 2, 2a par rapport à l'axe du contact douille 1.Chamfer 11 helps guide more effectively the end of the tube 3 and therefore promotes also the refocusing of the male contact 2, 2a by relative to the axis of the socket contact 1.

Bien entendu, l'invention n'est pas limitée à l'exemple que l'on vient de décrire et on peut apporter à celui-ci de nombreuses modifications sans sortir du cadre de l'invention.Of course, the invention is not limited to the example that we just described and we can bring to this one many modifications without leaving the part of the invention.

Claims (6)

Contact douille élastique (1) pour connecteur ultraminiature, la douille élastique (1) étant destinée à recevoir axialement un contact mâle (2, 2a) en forme de broche, cette douille (1) étant entourée coaxialement par un tube de recentrage (3) du contact (2, 2a) en forme de broche, caractérisé en ce que l'extrémité du tube (3) destinée à recevoir le contact en forme de broche (2, 2a) comprend une gorge annulaire (4) faisant saillie à l'intérieur du tube (3) et présentant une surface courbe (5), cette gorge (4) étant prolongée vers l'extrémité du tube (3) par une bordure annulaire (7) présentant une surface courbe (8) faisant saillie vers l'extérieur.Contact elastic socket (1) for connector ultraminiature, the elastic sleeve (1) being intended axially receiving a shaped male contact (2, 2a) spindle, this socket (1) being surrounded coaxially by a re-centering tube (3) of the contact (2, 2a) in pin shape, characterized in that the end of the tube (3) intended to receive the contact in the form of spindle (2, 2a) comprises an annular groove (4) making protruding inside the tube (3) and having a curved surface (5), this groove (4) being extended towards the end of the tube (3) by an annular edge (7) having a curved surface (8) projecting towards outside. Contact douille conforme à la revendication 1, caractérisé en ce que le diamètre intérieur de l'extrémité libre (6) de ladite bordure annulaire (7) est supérieur au diamètre intérieur mesuré au niveau de ladite gorge (4).Socket contact according to claim 1, characterized in that the internal diameter of the free end (6) of said annular edge (7) is greater than the inside diameter measured at said groove (4). Contact douille conforme à la revendication 2, caractérisé en ce que le diamètre intérieur de l'extrémité libre (6) de ladite bordure annulaire (7) est inférieur au diamètre du reste du tube (3).Socket contact according to claim 2, characterized in that the internal diameter of the free end (6) of said annular edge (7) is less than the diameter of the rest of the tube (3). Contact douille conforme à l'une des revendications 1 à 3, caractérisé en ce que le tube (3) a un diamètre égal à environ 0,76 mm, le rayon de courbure de la gorge (4) est de l'ordre de 0,05 mm et le rayon de courbure de la bordure (7) est de l'ordre de 0,08 mm.Socket contact in accordance with one of the Claims 1 to 3, characterized in that the tube (3) has a diameter equal to about 0.76 mm, the radius of throat curvature (4) is around 0.05 mm and the radius of curvature of the border (7) is of the order of 0.08 mm. Ensemble de connecteurs comportant un connecteur équipé d'au moins un contact douille (1) conforme à l'une des revendications 1 à 4 et un connecteur équipé d'au moins un contact mâle (2a) en forme de broche, caractérisé en ce que ledit contact mâle (2a) en forme de broche a une extrémité pointue (2b).Set of connectors comprising a connector fitted with at least one socket contact (1) according to one of claims 1 to 4 and a connector fitted with at least one male contact (2a) in pin shape, characterized in that said contact pin-shaped male (2a) with a pointed end (2b). Ensemble de connecteurs comportant un contact douille (1) conforme à l'une des revendications 1 à 4 et un contact mâle (2, 2a) en forme de broche, caractérisé en ce que le contact en forme de broche (2, 2a) est monté à l'intérieur d'un logement isolant (9) dont l'extrémité (10) est prolongée au-delà de l'extrémité (2c, 2b) du contact en forme de broche (2, 2a) l'extrémité de ce logement comportant un chanfrein annulaire (11) dirigé vers l'axe du tube (3).Set of connectors comprising a contact socket (1) according to one of claims 1 to 4 and a pin-shaped male contact (2, 2a), characterized in that the pin-shaped contact (2, 2a) is mounted inside an insulating housing (9) of which the end (10) is extended beyond the end (2c, 2b) of the pin-shaped contact (2, 2a) the end of this housing comprising a chamfer annular (11) directed towards the axis of the tube (3).
EP19990402121 1998-08-31 1999-08-25 Elastic female contact for miniature connector Expired - Lifetime EP0984525B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9810879 1998-08-31
FR9810879A FR2782850B1 (en) 1998-08-31 1998-08-31 ELASTIC SOCKET CONTACT FOR ULTRAMINIATURE CONNECTOR

Publications (2)

Publication Number Publication Date
EP0984525A1 true EP0984525A1 (en) 2000-03-08
EP0984525B1 EP0984525B1 (en) 2002-04-17

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EP19990402121 Expired - Lifetime EP0984525B1 (en) 1998-08-31 1999-08-25 Elastic female contact for miniature connector

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EP (1) EP0984525B1 (en)
DE (1) DE69901277T2 (en)
FR (1) FR2782850B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165401A (en) * 1984-09-05 1986-04-09 Allied Corp Connector assembly
DE4424331A1 (en) * 1993-07-12 1995-01-19 Fels Const Electriques Modular connecting device having a large pivoting range
WO1998031078A1 (en) * 1997-01-13 1998-07-16 The Whitaker Corporation Coaxial switch connector assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165401A (en) * 1984-09-05 1986-04-09 Allied Corp Connector assembly
DE4424331A1 (en) * 1993-07-12 1995-01-19 Fels Const Electriques Modular connecting device having a large pivoting range
WO1998031078A1 (en) * 1997-01-13 1998-07-16 The Whitaker Corporation Coaxial switch connector assembly

Also Published As

Publication number Publication date
DE69901277D1 (en) 2002-05-23
FR2782850B1 (en) 2000-11-10
EP0984525B1 (en) 2002-04-17
DE69901277T2 (en) 2002-10-02
FR2782850A1 (en) 2000-03-03

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