EP0849841A1 - Method of making telephone or data terminal blocks and terminal block obtained by this process - Google Patents

Method of making telephone or data terminal blocks and terminal block obtained by this process Download PDF

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Publication number
EP0849841A1
EP0849841A1 EP97420230A EP97420230A EP0849841A1 EP 0849841 A1 EP0849841 A1 EP 0849841A1 EP 97420230 A EP97420230 A EP 97420230A EP 97420230 A EP97420230 A EP 97420230A EP 0849841 A1 EP0849841 A1 EP 0849841A1
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EP
European Patent Office
Prior art keywords
contacts
strip
contact
adjacent
extension
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Granted
Application number
EP97420230A
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German (de)
French (fr)
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EP0849841B1 (en
Inventor
Jean Pierre Letailleur
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Pouyet SA
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Pouyet SA
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    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • the present invention relates to a method for producing a interconnection strip for telephone or computer lines. She is also relates to a strip obtained by this process.
  • the contacts in the same row are coplanar. Contacts of two above-mentioned parallel rows are identical.
  • Each contact of one of these two combined rows is connected, to ensure the continuity of the two lines, in conjugate contact (i.e. (opposite) on the other row by a metal link which is either a link presenting a possibility of cutting, and these are then contacts conjugates "with cut", that is to say a direct connection without possibility of cut, and it these are then "U" shaped contacts.
  • One of these two combined contacts is often called “contact entry”, because it receives one of the two wires from the finish line (from the Telephone Distribution Company), while the other contact is then called “output contact” because it receives the corresponding wire from the two-wire line of outgoing (i.e. the subscriber line).
  • Each pair of contacts is used to receive the two wires of a telephone line i.e. the finish line for the row which contains the aforementioned input contacts and the starting line for the row that contains the aforementioned output contacts.
  • substantially flat contacts which currently equip the strips marketed by the Applicant Company are quite similar to that which the subject of document FR-A-2.330.159, and in particular to that which is represented in Figure 1 of this document.
  • Such contact naturally includes the part main, flat and generally fixed width, containing the slot insulation displacement, and this main part is extended by a part of substantially the same width, which we will call “extension” and which is used here to connect this contact to the above-mentioned conjugate contact, that is to say to the contact which found opposite on the other row.
  • this extension is elastic and it has, at its free end, a contact pad with the extension conjugate, elastic and identical, of the conjugate contact facing it.
  • this extension is common to that of this contact conjugate, with which it therefore constitutes a connecting bridge made in one piece.
  • the invention aims to remedy these drawbacks. To this end, it relates to a method for producing a strip for interconnection of telephone or computer lines, this strip comprising at least two parallel rows of conjugated self-stripping metal contacts, each of these self-stripping contacts having a main part which comprises the insulation displacement connection slot, this main part continuing with an extension which is used to connect this metallic contact to its conjugated metallic contact (that is to say placed opposite in the other row), the contacts of a same row being grouped by pairs of adjacent contacts, each pair receiving the two wires of the same line, telephone or computer, two-wire, this process being characterized in that it consists in, in order to obtain a rate of rejection of crosstalk between two adjacent pairs which is higher than that of a standard strip of known art without having to increase the spacing between two adjacent pairs of contacts of the same row, to be mounted in this standard strip, which therefore has a rate of rejection of crosstalk between adjacent pairs which is insufficient, metal contacts whose main part is unchanged in width but whose extension is cut bevel on the edge which
  • the invention also relates to a line interconnection strip telephone or computer, this strip being produced according to the method mentioned above and being characterized in that said extension, thus bevelled, of each insulation displacement contact is an elastic extension which includes a stud of contact at its free end, so that these two elastic extensions conjugates thus constitute a cut-off bond which is beveled on a only of its two slices, the one next to the mirror link and immediately neighbor of the two adjacent conjugate pairs.
  • the invention also also relates to an interconnection strip telephone or computer lines, this strip being produced according to the aforementioned process and being characterized in that said extension, thus cut in bias on a single slice, of each insulation displacement contact is an extension which is common to that of the corresponding conjugate contact, so these two conjugate extensions thus constitute a connecting bridge produced from a single holding and cut obliquely on only one of its two slices, that which adjoins the mirror bridge and immediately adjacent to the two adjacent conjugate pairs.
  • This strip has a plastic body 14 which holds securely in position the two parallel rows Rl, R2 of metal contacts insulation displacement, often called “I.D.C. contacts "
  • Contact 5 ' is the conjugate contact of contact 5, i.e. it is the contact which, on the other row, is placed opposite this contact 5.
  • contacts 1 ', 2', 3 'and 4' ( Figure 4) of row R2 which are respectively the conjugate contacts of contacts 1, 2, 3 and 4 of the other row R1.
  • Contacts 1 and 2 are intended to receive the two wires of the same two-wire line, for example of a first finish line, and they are said to constitute a "pair" of contacts forming part of the first row R1.
  • contacts 3 and 4 are intended to receive the two sons of a second finish line, and constitute a second pair of contacts from row R1, etc ...
  • contacts 1 'and 2' of row R2 are intended to receive the two wires of a two-wire line, by example of a first starting line, which the ruler has for role to interconnect at the first finish line on the conjugate contacts 1 and 2 of the other row R1.
  • These contacts 1 'and 2' form the first "pair" of contacts from row R2.
  • two contacts therefore form a "pair" when they receive the two wires from the same telephone or computer line monopolar.
  • Each contact has a main part 7 which receives the slot axial insulation displacement 8 and which continues downwards through an extension 9 which has for the role of electrically connecting the contact to its conjugate contact.
  • the main part 7 of the contacts which are shown in the figures 1 to 3 is produced according to the technology of the Applicant Company, with a strip folded up and filled with an alignment “flat” 6, but this particular mode of realization is not obligatory for the realization of the invention.
  • each extension 9 of a contact is connected in one piece with the corresponding extension of the conjugate contact, finally forming a bridge “U-shaped” connection 10 between these two conjugate contacts (see for example the conjugate contacts 5 and 5 'alone shown entirely in Figures 1 to 3).
  • the extension 9 of each contact has practically the same width than the main part 7 of this contact. These strips represent a rate of crosstalk rejection, between adjacent pairs of the same row, which is from 22 to 25 dB, which does not correspond to current standards "category 5 ”which require a crosstalk rejection rate greater than 40 dB.
  • the invention consists, in order to fill the strip with the same number of pairs as these strips known art standard without this or increasing the spacing between two adjacent pairs of the same row (for example between pairs 1,2 and 3, 4), nor decrease the width of the main part of the contacts so as not to weaken them, to be fitted in this standard strip 14 of the metal contacts 1, 2, 3, 4, 5 1 ', 2 ', 3', 4 ', 5', ..., the main part of which therefore remains unchanged in width but whose extension 9 is, on the edge 11 which adjoins the neighboring immediate contact (4 'for contact 5') of the adjacent pair of contacts 3 ', 4' on the same row R2, bevel cut 12.
  • the bridge 10 is therefore cut obliquely on one of its edges, that is to say edge 1 1 which adjoins the mirror bridge and immediately adjacent 10 '( Figure 4) of the two conjugate pairs of contacts 3, 4 and 3 ', 4' adjacent.
  • the neighboring bridge 10 ' is the symmetrical of this bridge 10 relative to a plane P orthogonal to the plane of the slide and separating the conjugate contacts 4, 4 'of the conjugate contacts 5, 5'.
  • the 10 'bridge is therefore the image of bridge 10 in relation to this plane P, hence the name of the mirror bridge given here at bridge 10 'relative to bridge 10.
  • conjugate contacts 2, 2 'including the bevel 12 is the “mirror” image of the corresponding bevel 12 of the pair of contacts conjugates 3, 3 'immediately adjacent to the two conjugate pairs of contacts 3, 4 and 3 ', 4' adjacent to these two conjugate pairs of contacts 1, 2 and 1 ', 2', etc ...
  • Figures 5 and 6 show schematically another exemplary embodiment which differs from that according to FIGS. 1 to 4 by the fact that the strip in question is a strip with “cut-off” connections and no longer a strip with “U” connections.
  • Each contact 1, 2, 3, 4, ..., is therefore provided with an extension elastic 9 which comprises, at its free end, a stud 13 intended to establish the electrical contact with the corresponding pad of the conjugate contact (not represented).
  • the two combined elastic extensions 9 of two contacts conjugates thus constitute a cut-off bond which is, as before, cut obliquely on only one of its two slices: slice 11 which adjoins the mirror bond and immediately adjacent to the two adjacent conjugate pairs (see for example sections 11 and 11 'in FIG. 6, symmetrical one of the other with respect to a mirror plane corresponding to the plane P 'indicated on the previous figure 4).
  • the width of the main part 7 of the contacts according to figs 1 to 6 being conventionally 3.5 millimeters
  • the bevel size 12 in the “U” shape Figures 1 to 4 gradually reduce this width to 1.5 millimeters, while this bevel size 12 in the “cut-off” embodiment according to the Figures 5 and 6 reduce it to around 1 millimeter.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Structure Of Telephone Exchanges (AREA)

Abstract

The interconnection strip for use with telephone or computer lines comprises at least two parallel rows (R1, R2) of linked self-stripping metal contacts (5, 5'). Each of these contacts has a main part (7) which forms the self-stripping connection slot, extended by a further section (9) which serves to connect this metal contact to its linked contact (5'). Each connector thus has a linked second connector, such that the two wires of telephone lines to be linked are fitted into the tow self-stripping contacts. The connectors are mounted in adjacent pairs, and in order to reduce the diaphony between connectors, without increasing their separation, the link sections (9) are tapered away from each other. This results in the conductors not being so close and reduces cross-talk between them.

Description

la présente invention se rapporte à un procédé de réalisation d'une réglette d'interconnexion de lignes téléphoniques ou informatiques. Elle se rapporte aussi à une réglette obtenue par ce procédé.the present invention relates to a method for producing a interconnection strip for telephone or computer lines. She is also relates to a strip obtained by this process.

De telles réglettes équipent couramment les répartiteurs téléphoniques, dans lesquels elles servent à connecter, à la demande, les différentes lignes monopaires de la Compagnie de Distribution Téléphonique aux différentes linges correspondantes d'abonnés. On en trouve alors plusieurs centaines, voire plusieurs milliers.Such strips commonly equip telephone distributors, in which they are used to connect, on demand, the different lines monopoly of the Telephone Distribution Company with different linens correspondent subscribers. We then find several hundreds, even several thousands.

Comme état de la technique peuvent être cités les documents FR-A-2.495.847, FR-A-2.662.042 et EP-A-0.524.115.As the state of the art, the documents FR-A-2,495,847 may be cited, FR-A-2,662,042 and EP-A-0,524,115.

Ces réglettes de l'Art connu comportent toutes au moins deux rangées parallèles de contacts métalliques sensiblement plats, placés en vis-à-vis d'une rangée à l'autre, ces contacts métalliques étant chacun munis d'une fente axiale de connexion autodénudante des fils à raccorder. Un contact de ce type est par exemple décrit dans le document FR-A-2.330.159.These known art strips all have at least two rows parallels of substantially flat metal contacts, placed opposite a row to another, these metal contacts each being provided with an axial slot of insulation displacement connection of the wires to be connected. A contact of this type is by example described in document FR-A-2.330.159.

Les contacts d'une même rangée sont coplanaires. Les contacts des deux rangées parallèles précitées sont identiques.The contacts in the same row are coplanar. Contacts of two above-mentioned parallel rows are identical.

Chaque contact d'une de ces deux rangées conjuguées se raccorde, pour assurer la mise en continuité des deux lignes, au contact conjugué (c'est-à-dire : en vis-à-vis) de l'autre rangée par une liaison métallique qui est soit une liaison présentant une possibilité de coupure, et il s'agit alors de contacts conjugués «à coupure », soit une liaison directe sans possibilité de coupure, et il s'agit alors de contacts conjugués « en U ».Each contact of one of these two combined rows is connected, to ensure the continuity of the two lines, in conjugate contact (i.e. (opposite) on the other row by a metal link which is either a link presenting a possibility of cutting, and these are then contacts conjugates "with cut", that is to say a direct connection without possibility of cut, and it these are then "U" shaped contacts.

L'un de ces deux contacts conjugués est souvent appelé « contact d'entrée », car il reçoit un des deux fils de la ligne d'arrivée (provenant de la Compagnie de Distribution Téléphonique), tandis que l'autre contact est alors appelé « contact de sortie », car il reçoit le fil correspondant de la ligne bifilaire de départ (c'est-à-dire : la ligne d'abonné).One of these two combined contacts is often called "contact entry ", because it receives one of the two wires from the finish line (from the Telephone Distribution Company), while the other contact is then called "output contact" because it receives the corresponding wire from the two-wire line of outgoing (i.e. the subscriber line).

Sur chaque rangée parmi ces deux rangées en vis à vis, on trouve un nombre déterminé de paires de contacts adjacents, ce nombre de paires dépendant de la largeur de la réglette.On each row among these two opposite rows, there is a determined number of adjacent contact pairs, this number of dependent pairs the width of the strip.

Chaque paire de contacts est utilisée pour recevoir les deux fils d'une ligne téléphonique c'est-à-dire de la ligne d'arrivée pour la rangée qui contient les contacts d'entrée précités et de la ligne de départ pour la rangée qui contient les contacts de sortie précités.Each pair of contacts is used to receive the two wires of a telephone line i.e. the finish line for the row which contains the aforementioned input contacts and the starting line for the row that contains the aforementioned output contacts.

Les contacts sensiblement plats qui équipent les réglettes actuellement commercialisées par la Société Demanderesse sont assez similaires à celui qui fait l'objet du document FR-A-2.330.159, et en particulier à celui qui est représenté en Figure 1 de ce document. Un tel contact comporte bien entendu la partie principale, plane et de largeur généralement fixe, qui contient la fente autodénudante, et cette partie principale se prolonge par une partie de sensiblement même largeur, que nous appellerons «prolongement » et qui sert ici à raccorder ce contact au contact conjugué précité, c'est-à-dire au contact qui se trouve en vis à vis sur l'autre rangée.The substantially flat contacts which currently equip the strips marketed by the Applicant Company are quite similar to that which the subject of document FR-A-2.330.159, and in particular to that which is represented in Figure 1 of this document. Such contact naturally includes the part main, flat and generally fixed width, containing the slot insulation displacement, and this main part is extended by a part of substantially the same width, which we will call "extension" and which is used here to connect this contact to the above-mentioned conjugate contact, that is to say to the contact which found opposite on the other row.

Lorsqu'il s'agit d'une liaison à coupure, ce prolongement est élastique et il comporte, à son extrémité libre, un plot de contact avec le prolongement conjugué, élastique et identique, du contact conjugué qui lui fait face. Lorsqu'il s'agit d'une liaison en U, ce prolongement est commun à celui de ce contact conjugué, avec lequel il constitue donc un pont de liaison réalisé d'un seul tenant.In the case of a cut-off connection, this extension is elastic and it has, at its free end, a contact pad with the extension conjugate, elastic and identical, of the conjugate contact facing it. When he it is a U-shaped connection, this extension is common to that of this contact conjugate, with which it therefore constitutes a connecting bridge made in one piece.

Avec l'augmentation actuelle des fréquences de fonctionnement des installations téléphoniques et informatiques, il se pose pour ces réglettes un problème de taux de paradiaphonie entre deux paires adjacentes, les réglettes courantes de l'Art antérieur ne répondant plus aux normes de rejet de paradiaphonie qui sont maintenant en vigueur et qui sont beaucoup plus strictes que les normes qui s'appliquent aux réglettes de l'Art antérieur précité. With the current increase in operating frequencies of telephone and computer installations, there arises for these strips a crosstalk rate problem between two adjacent pairs, the crimps of the prior art no longer meeting the standards for rejection of crosstalk which are now in effect and which are much more stringent as the standards which apply to the strips of the aforementioned prior art.

Pour fixer les idées, on exige maintenant, pour des fréquences pouvant aller jusqu'à 100 Mégahertz, un taux de rejet de paradiaphonie entre paires adjacentes qui est supérieur à 40 dB, alors qu'autrefois on se contentait d'un taux de rejet de paradiaphonie simplement supérieur à 20 dB.To fix ideas, we now require, for frequencies that can go up to 100 Megahertz, a rejection rate of crosstalk between pairs which is higher than 40 dB, whereas in the past we were satisfied with a rate of crosstalk rejection simply greater than 20 dB.

Les fabricants sont alors amenés :

  • soit à augmenter l'écartement entre deux paires adjacentes sur une même rangée de contacts, ce qui a pour inconvénient soit d'augmenter les dimensions de la réglette pour un même nombre de paires, soit de diminuer le nombre de paires si l'on conserve les mêmes dimensions pour cette réglette ;
  • soit à diminuer au maximum, tel que par exemple décrit dans les documents EP-A-0.637.097 et EP-A-0.654.851, les dimensions en largeur de chaque contact, ce qui a pour inconvénient de fragiliser celui-ci plus qu'on ne le souhaite pour obtenir une bonne fiabilité.
Manufacturers are then brought:
  • either to increase the spacing between two adjacent pairs on the same row of contacts, which has the disadvantage either to increase the dimensions of the strip for the same number of pairs, or to decrease the number of pairs if we keep the same dimensions for this strip;
  • or to reduce as much as possible, as for example described in documents EP-A-0.637.097 and EP-A-0.654.851, the width dimensions of each contact, which has the disadvantage of weakening it more than 'we do not want to obtain good reliability.

L'invention vise à remédier à ces inconvénients. Elle se rapporte à cet effet à un procédé de réalisation d'une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette comportant au moins deux rangées parallèles de contacts métalliques autodénudants conjugués, chacun de ces contacts autodénudants ayant une partie principale qui comprend la fente de connexion autodénudante, cette partie principale se continuant par un prolongement qui sert à raccorder ce contact métallique à son contact métallique conjugué (c'est-à-dire placé en vis à vis sur l'autre rangée), les contacts d'une même rangée étant groupés par paires de contacts adjacents, chaque paire recevant les deux fils d'une même ligne, téléphonique ou informatique, bifilaire,
ce procédé étant caractérisé en ce qu'il consiste à, afin d'obtenir un taux de rejet de paradiaphonie entre deux paires adjacentes qui est supérieur à celui d'une réglette standard de l'Art connu sans devoir pour ceci augmenter l'espacement entre deux paires adjacentes de contacts d'une même rangée, à monter dans cette réglette standard, qui présente donc un taux de rejet de paradiaphonie entre paires adjacentes qui est insuffisant, des contacts métalliques dont la partie principale est inchangée en largeur mais dont le prolongement est taillé en biseau sur la tranche qui jouxte le contact immédiatement voisin de la paire adjacente sur la même rangée.The invention aims to remedy these drawbacks. To this end, it relates to a method for producing a strip for interconnection of telephone or computer lines, this strip comprising at least two parallel rows of conjugated self-stripping metal contacts, each of these self-stripping contacts having a main part which comprises the insulation displacement connection slot, this main part continuing with an extension which is used to connect this metallic contact to its conjugated metallic contact (that is to say placed opposite in the other row), the contacts of a same row being grouped by pairs of adjacent contacts, each pair receiving the two wires of the same line, telephone or computer, two-wire,
this process being characterized in that it consists in, in order to obtain a rate of rejection of crosstalk between two adjacent pairs which is higher than that of a standard strip of known art without having to increase the spacing between two adjacent pairs of contacts of the same row, to be mounted in this standard strip, which therefore has a rate of rejection of crosstalk between adjacent pairs which is insufficient, metal contacts whose main part is unchanged in width but whose extension is cut bevel on the edge which adjoins the contact immediately adjacent to the adjacent pair on the same row.

L'invention se rapporte aussi à une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette étant réalisée selon le procédé précité et étant caractérisée en ce que ledit prolongement, ainsi taillé en biseau, de chaque contact autodénudant est un prolongement élastique qui comporte un plot de contact à son extrémité libre, de sorte que ces deux prolongements élastiques conjugués constituent ainsi une liaison à coupure qui est taillée en biseau sur une seule de ses deux tranches, celle qui jouxte la liaison-miroir et immédiatement voisine des deux paires conjuguées adjacentes.The invention also relates to a line interconnection strip telephone or computer, this strip being produced according to the method mentioned above and being characterized in that said extension, thus bevelled, of each insulation displacement contact is an elastic extension which includes a stud of contact at its free end, so that these two elastic extensions conjugates thus constitute a cut-off bond which is beveled on a only of its two slices, the one next to the mirror link and immediately neighbor of the two adjacent conjugate pairs.

L'invention se rapporte encore aussi à une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette étant réalisée selon le procédé précité et étant caractérisée en ce que ledit prolongement, ainsi taillé en biais sur une seule tranche, de chaque contact autodénudant est un prolongement qui est commun à celui du contact conjugué correspondant, ce sorte que ces deux prolongements conjugués constituent ainsi un pont de liaison réalisé d'un seul tenant et taillé en biais sur une seule de ses deux tranches, celle qui jouxte le pont-miroir et immédiatement voisin des deux paires conjuguées adjacentes.The invention also also relates to an interconnection strip telephone or computer lines, this strip being produced according to the aforementioned process and being characterized in that said extension, thus cut in bias on a single slice, of each insulation displacement contact is an extension which is common to that of the corresponding conjugate contact, so these two conjugate extensions thus constitute a connecting bridge produced from a single holding and cut obliquely on only one of its two slices, that which adjoins the mirror bridge and immediately adjacent to the two adjacent conjugate pairs.

L'invention sera bien comprise, et ses avantages et autres caractéristiques ressortiront mieux, lors de la description suivante de deux exemples non limitatifs de réalisation, en référence au dessin schématique annexé dans lequel :

  • Figure 1 est une vue partielle, en perspective écorchée, d'une réglette à liaisons en U conforme à l'invention.
  • Figure 2 montre la réglette de la figure 1, avec seuls les contacts autodénudants dessinés en traits pleins.
  • Figure 3 est une coupe transversale de cette même réglette, réalisée dans le plan des fentes autodénudantes de deux contacts à liaison en U, et plus précisément selon III de Figure 2.
  • Figure 4 est une vue de dessus très rudimentaire de cette même réglette et montrant la répartition « en miroir » des contacts de cette réglette.
  • Figure 5 est une vue semblable à Figure 1, mais montrant l'application de l'invention à une réglette à liaisons à coupure.
  • Figure 6 est une vue semblable à Figure 2, mais relative à la réglette selon Figure 5.
The invention will be clearly understood, and its advantages and other characteristics will emerge more clearly from the following description of two nonlimiting exemplary embodiments, with reference to the appended schematic drawing in which:
  • Figure 1 is a partial view, in cutaway perspective, of a strip with U-shaped connections according to the invention.
  • Figure 2 shows the strip of Figure 1, with only the insulation displacement contacts drawn in solid lines.
  • Figure 3 is a cross section of this same strip, made in the plane of the insulation displacement slots of two U-shaped contacts, and more precisely along III of Figure 2.
  • Figure 4 is a very rudimentary top view of this same strip and showing the distribution "mirrored" of the contacts of this strip.
  • Figure 5 is a view similar to Figure 1, but showing the application of the invention to a strip with cut-off connections.
  • Figure 6 is a view similar to Figure 2, but relating to the strip according to Figure 5.

En se reportant tout d'abord à l'ensemble des figures 1 à 4, il s'agit dans ce premier exemple de réalisation d'une réglette à liaisons « en U ».Referring first to all of Figures 1 to 4, it is in this first embodiment of a strip with "U" links.

Cette réglette comporte un corps 14 en matière plastique qui maintient solidement en position les deux rangées parallèles Rl, R2 de contacts métalliques autodénudants, souvent appelés « contacts I.D.C. ».This strip has a plastic body 14 which holds securely in position the two parallel rows Rl, R2 of metal contacts insulation displacement, often called "I.D.C. contacts "

Sur les figures 1 et 2 sont seulement représentés les cinq premiers contacts 1, 2, 3, 4, 5 de la première rangée R1 et le cinquième contact 5' de la deuxième rangée R2.In Figures 1 and 2 are only shown the first five contacts 1, 2, 3, 4, 5 of the first row R1 and the fifth contact 5 'of the second row R2.

Le contact 5' est le contact conjugué du contact 5, c'est-à-dire qu'il est le contact qui, sur l'autre rangée, est placé en vis à vis de ce contact 5. Il en est de même des contacts 1', 2', 3' et 4' (Figure 4) de la rangée R2 qui sont respectivement les contacts conjugués des contacts 1, 2, 3 et 4 de l'autre rangée R1.Contact 5 'is the conjugate contact of contact 5, i.e. it is the contact which, on the other row, is placed opposite this contact 5. The same applies to even contacts 1 ', 2', 3 'and 4' (Figure 4) of row R2 which are respectively the conjugate contacts of contacts 1, 2, 3 and 4 of the other row R1.

Les contacts 1 et 2 sont destinés à recevoir les deux fils d'une même ligne bifilaire, par exemple d'une première ligne d'arrivée, et l'on dit qu'ils constituent une « paire » de contacts faisant partie de la première rangée R1.Contacts 1 and 2 are intended to receive the two wires of the same two-wire line, for example of a first finish line, and they are said to constitute a "pair" of contacts forming part of the first row R1.

De même façon, les contacts 3 et 4 sont destinés à recevoir les deux fils d'une deuxième ligne d'arrivée, et constituent une deuxième paire de contacts de la rangée R1, etc...Similarly, contacts 3 and 4 are intended to receive the two sons of a second finish line, and constitute a second pair of contacts from row R1, etc ...

les contacts 1' et 2' de la rangée R2, respectivement conjugués des contacts 1 et 2, sont destinés à recevoir les deux fils d'une ligne bifilaire, par exemple d'une première ligne de départ, que la réglette a pour rôle d'interconnecter à la première ligne d'arrivée sur les contacts conjugués 1 et 2 de l'autre rangée R1. Ces contacts 1' et 2' forment la première «paire » de contacts de la rangée R2. Comme on le voit, deux contacts forment donc une «paire » lorsqu'ils reçoivent les deux fils d'une même ligne téléphonique ou informatique monopaire.contacts 1 'and 2' of row R2, respectively conjugated with contacts 1 and 2, are intended to receive the two wires of a two-wire line, by example of a first starting line, which the ruler has for role to interconnect at the first finish line on the conjugate contacts 1 and 2 of the other row R1. These contacts 1 'and 2' form the first "pair" of contacts from row R2. As can be seen, two contacts therefore form a "pair" when they receive the two wires from the same telephone or computer line monopolar.

Chaque contact comporte une partie principale 7 qui reçoit la fente axiale autodénudante 8 et qui se continue vers le bas par un prolongement 9 qui a pour rôle de raccorder électriquement le contact à son contact conjugué.Each contact has a main part 7 which receives the slot axial insulation displacement 8 and which continues downwards through an extension 9 which has for the role of electrically connecting the contact to its conjugate contact.

La partie principale 7 des contacts qui sont représentés sur les figures 1 à 3 est réalisée selon la technologie de la Société Demanderesse, avec une bande repliée et garnie d'un «crevé » d'alignement 6, mais ce mode particulier de réalisation n'est nullement obligatoire pour la réalisation de l'invention.The main part 7 of the contacts which are shown in the figures 1 to 3 is produced according to the technology of the Applicant Company, with a strip folded up and filled with an alignment “flat” 6, but this particular mode of realization is not obligatory for the realization of the invention.

La réglette selon les figures 1 à 4 étant une réglette à liaisons « en U », chaque prolongement 9 d'un contact est relié d'un seul tenant avec le prolongement correspondant du contact conjugué, pour finalement former un pont de liaison « en U » 10 entre ces deux contacts conjugués (voir par exemple les contacts conjugués 5 et 5' seuls représentés entièrement sur les figures 1 à 3).The strip according to FIGS. 1 to 4 being a strip with “U” connections, each extension 9 of a contact is connected in one piece with the corresponding extension of the conjugate contact, finally forming a bridge “U-shaped” connection 10 between these two conjugate contacts (see for example the conjugate contacts 5 and 5 'alone shown entirely in Figures 1 to 3).

Pour les réglettes commercialisées jusqu'alors par la Société Demanderesse, le prolongement 9 de chaque contact a pratiquement la même largeur que la partie principale 7 de ce contact. Ces réglettes représentent un taux de rejet de paradiaphonie, entre paires adjacentes d'une même rangée, qui est de l'ordre de 22 à 25 dB, ce qui ne correspond pas aux normes actuelles « catégorie 5 » qui exigent un taux de rejet de paradiaphonie supérieur à 40 dB.For the strips previously sold by the Company Applicant, the extension 9 of each contact has practically the same width than the main part 7 of this contact. These strips represent a rate of crosstalk rejection, between adjacent pairs of the same row, which is from 22 to 25 dB, which does not correspond to current standards "category 5 ”which require a crosstalk rejection rate greater than 40 dB.

Afin de répondre à ces nouvelles normes « catégorie 5 », l'invention consiste, afin de garnir la réglette du même nombre de paires que ces réglettes standard de l'Art connu sans pour ceci ni augmenter l'espacement entre deux paires adjacentes d'une même rangée (par exemple entre les paires 1,2 et 3, 4), ni diminuer en largeur la partie principale des contacts pour ne pas fragiliser ceux-ci, à monter dans cette réglette standard 14 des contacts métalliques 1, 2, 3, 4, 5 1', 2', 3', 4', 5',..., dont la partie principale 7 reste donc inchangée en largeur mais dont le prolongement 9 est, sur la tranche 11 qui jouxte le contact immédiat voisin (4' pour le contact 5') de la paire de contacts adjacente 3', 4' sur la même rangée R2, taillé en biseau 12.In order to meet these new "category 5" standards, the invention consists, in order to fill the strip with the same number of pairs as these strips known art standard without this or increasing the spacing between two adjacent pairs of the same row (for example between pairs 1,2 and 3, 4), nor decrease the width of the main part of the contacts so as not to weaken them, to be fitted in this standard strip 14 of the metal contacts 1, 2, 3, 4, 5 1 ', 2 ', 3', 4 ', 5', ..., the main part of which therefore remains unchanged in width but whose extension 9 is, on the edge 11 which adjoins the neighboring immediate contact (4 'for contact 5') of the adjacent pair of contacts 3 ', 4' on the same row R2, bevel cut 12.

En fait, dans la réglette selon les figures 1 à 4, le pont 10 est donc taillé en biais sur une de ses tranches, c'est-à-dire la tranche 1 1 qui jouxte le pont-miroir et immédiatement voisin 10' (Figure 4) des deux paires conjuguées de contacts 3, 4 et 3', 4' adjacentes.In fact, in the strip according to Figures 1 to 4, the bridge 10 is therefore cut obliquely on one of its edges, that is to say edge 1 1 which adjoins the mirror bridge and immediately adjacent 10 '(Figure 4) of the two conjugate pairs of contacts 3, 4 and 3 ', 4' adjacent.

Comme représenté sur la figure 4, le pont voisin 10' est le symétrique de ce pont 10 par rapport à un plan P orthogonal au plan de la réglette et séparant les contacts conjugués 4, 4' des contacts conjugués 5, 5'. Le pont 10' est donc l'image du pont 10 par rapport à ce plan P, d'où le nom de pont-miroir donné ici au pont 10' par rapport au pont 10.As shown in Figure 4, the neighboring bridge 10 'is the symmetrical of this bridge 10 relative to a plane P orthogonal to the plane of the slide and separating the conjugate contacts 4, 4 'of the conjugate contacts 5, 5'. The 10 'bridge is therefore the image of bridge 10 in relation to this plane P, hence the name of the mirror bridge given here at bridge 10 'relative to bridge 10.

Il en est de même pour les contacts conjugués 2, 2' dont le biseau 12 est l'image « miroir » du biseau correspondant 12 de la paire de contacts conjugués 3, 3' immédiatement voisins des deux paires conjuguées de contacts 3, 4 et 3', 4' adjacentes à ces deux paires conjuguées de contacts 1, 2 et 1', 2', etc...It is the same for the conjugate contacts 2, 2 'including the bevel 12 is the “mirror” image of the corresponding bevel 12 of the pair of contacts conjugates 3, 3 'immediately adjacent to the two conjugate pairs of contacts 3, 4 and 3 ', 4' adjacent to these two conjugate pairs of contacts 1, 2 and 1 ', 2', etc ...

Les figures 5 et 6 schématisent un autre exemple de réalisation qui diffère de celui selon les figures 1 à 4 par le fait que la réglette dont il s'agit est une réglette à liaisons «à coupure » et non plus une réglette à liaisons « en U ».Figures 5 and 6 show schematically another exemplary embodiment which differs from that according to FIGS. 1 to 4 by the fact that the strip in question is a strip with “cut-off” connections and no longer a strip with “U” connections.

Chaque contact 1, 2, 3, 4,..., est par suite muni d'un prolongement élastique 9 qui comporte, à son extrémité libre, un plot 13 destiné à établir le contact électrique avec le plot correspondant du contact conjugué (non représenté).Each contact 1, 2, 3, 4, ..., is therefore provided with an extension elastic 9 which comprises, at its free end, a stud 13 intended to establish the electrical contact with the corresponding pad of the conjugate contact (not represented).

Ces prolongements 9 comportent chacun, conformément à l'invention, une taille en biseau 12 similaire à celle qui correspond à la réalisation selon les figures 1 à 4.These extensions 9 each comprise, in accordance with the invention, a bevel size 12 similar to that which corresponds to the embodiment according to Figures 1 to 4.

Les deux prolongements élastiques conjugués 9 de deux contacts conjugués constituent ainsi une liaison à coupure qui est, comme précédemment, taillée en biais sur une seule de ses deux tranches : la tranche 11 qui jouxte la liaison miroir et immédiatement voisine des deux paires conjuguées adjacentes (voir par exemple les tranches 11 et 11' sur la figure 6, symétriques l'une de l'autre par rapport à un plan miroir correspondant au plan P' indiqué sur la précédente figure 4).The two combined elastic extensions 9 of two contacts conjugates thus constitute a cut-off bond which is, as before, cut obliquely on only one of its two slices: slice 11 which adjoins the mirror bond and immediately adjacent to the two adjacent conjugate pairs (see for example sections 11 and 11 'in FIG. 6, symmetrical one of the other with respect to a mirror plane corresponding to the plane P 'indicated on the previous figure 4).

Pour fixer les idées par des exemples numériques non limitatifs, la largeur de la partie principale 7 des contacts selon les figues 1 à 6 étant classiquement de 3,5 millimètres, la taille en biseau 12 dans la réalisation « en U » des figures 1 à 4 réduit progressivement cette largeur jusqu'à 1,5 millimètres, tandis que cette taille en biseau 12 dans la réalisation « à coupure » selon les figures 5 et 6 la réduit jusqu'à environ 1 millimètre.To fix ideas by nonlimiting numerical examples, the width of the main part 7 of the contacts according to figs 1 to 6 being conventionally 3.5 millimeters, the bevel size 12 in the “U” shape Figures 1 to 4 gradually reduce this width to 1.5 millimeters, while this bevel size 12 in the “cut-off” embodiment according to the Figures 5 and 6 reduce it to around 1 millimeter.

La distance d'entre les fentes axiales de deux contacts adjacents d'une même rangée restant, comme pour les réglettes standard actuellement commercialisées par la Société Demanderesse, de 5 millimètres (ce qui correspond à un pas de 10 mm pour la réglette), on a pu mesurer :

  • sur une réglette « en U » selon les figures 1 à 4, un taux de rejet de paradiaphonie entre deux paires adjacentes de l'ordre de 43 à 44 dB,
  • et sur une réglette « à coupure » selon les figures 5 et 6, un taux de rejet de paradiaphonie entre deux paires adjacentes de l'ordre de 41 à 42 dB.
The distance between the axial slots of two adjacent contacts of the same row remaining, as for the standard strips currently sold by the Applicant Company, of 5 millimeters (which corresponds to a pitch of 10 mm for the strip), we was able to measure:
  • on a U-shaped strip according to FIGS. 1 to 4, a crosstalk rejection rate between two adjacent pairs of the order of 43 to 44 dB,
  • and on a “cut-off” strip according to FIGS. 5 and 6, a crosstalk rejection rate between two adjacent pairs of the order of 41 to 42 dB.

Comme il va de soi, l'invention n'est pas limitée aux deux exemples de réalisation qui viennent d'être décrits, et elle s'applique bien entendu à d'autres types de réglettes, par exemple aux diverses réglettes décrites dans le document FR-A-2.495.847 précité. Bien que les contacts représentés sur les exemples qui ont été décrits soient des contacts sensiblement plats, l'invention s'appliquerait aussi à des réglettes qui seraient équipées de çontacts autodénudants qui ne seraient pas vraiment plats, ou même pas plats du tout.It goes without saying that the invention is not limited to the two examples. which have just been described, and of course it applies to other types of strips, for example the various strips described in the document FR-A-2,495,847 cited above. Although the contacts shown in the examples which have been described to be substantially flat contacts, the invention would apply also to strips which would be fitted with insulation-displacement contacts which do not would not be really flat, or even not flat at all.

Claims (3)

Procédé de réalisation d'une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette comportant au moins deux rangées parallèles (R1, R2) de contacts métalliques autodénudants conjugués (5, 5'), chacun de ces contacts autodénudants ayant une partie principale (7) qui comprend la fente de connexion autodénudante (8), cette partie principale (7) se continuant par un prolongement (9) qui sert à raccorder ce contact métallique (5) à son contact métallique conjugué (5'), c'est-à-dire placé en vis à vis sur l'autre rangée, les contacts d'une même rangée (R1) étant groupés par paires (1, 2 - 3, 4) de contacts adjacents, chaque paire (1, 2) recevant les deux fils d'une même ligne, téléphonique ou informatique, bifilaire,
caractérisé en ce qu'il consiste, afin d'obtenir un taux de rejet de paradiaphonie entre deux paires adjacentes (1, 2 -3, 4) qui est supérieur à celui d'une réglette standard de l'Art connu sans devoir pour ceci augmenter l'espacement entre deux paires adjacentes (1, 2 -3, 4) de contacts d'une même rangée (R1), à monter dans cette réglette standard, qui présente donc un taux de rejet de paradiaphonie entre paires adjacentes qui est insuffisant, des contacts métalliques autodénudants dont la partie principale (7) est inchangée en largeur mais dont le prolongement (9) est taillé en biseau (12) sur la tranche (11) qui jouxte le contact immédiatement voisin de la paire adjacente sur la même rangée.Method for producing a strip for interconnection of telephone or computer lines, this strip comprising at least two parallel rows (R1, R2) of conjugated insulation displacement metal contacts (5, 5 ′), each of these insulation displacement contacts having a main part (7) which includes the insulation displacement connection slot (8), this main part (7) continuing with an extension (9) which serves to connect this metallic contact (5) to its conjugated metallic contact (5 '), c' that is to say placed opposite one another on the other row, the contacts of the same row (R1) being grouped in pairs (1, 2 - 3, 4) of adjacent contacts, each pair (1, 2) receiving the two wires of the same line, telephone or computer, two-wire,
characterized in that it consists, in order to obtain a rate of rejection of crosstalk between two adjacent pairs (1, 2 -3, 4) which is higher than that of a standard strip of known art without having to do this increase the spacing between two adjacent pairs (1, 2 -3, 4) of contacts of the same row (R1), to be fitted in this standard strip, which therefore has a rate of rejection of crosstalk between adjacent pairs which is insufficient , metal insulation displacement contacts the main part (7) of which is unchanged in width but the extension (9) of which is bevelled (12) on the edge (11) which adjoins the contact immediately adjacent to the adjacent pair on the same row . Réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette étant réalisée suivant le procédé selon la revendication 1, caractérisée en ce que ledit prolongement (9), ainsi taillé en biseau, de chaque contact autodénudant (5) est un prolongement qui est commun à celui du contact conjugué correspondant (5'), de sorte que ces deux prolongements conjugués (9) constituent ainsi un pont de liaison (10) réalisé d'un seul tenant et taillé en biais sur une seule (11) de ses deux tranches, celle qui jouxte le pont miroir (10') et immédiatement voisin des deux paires conjuguées adjacentes. Telephone line interconnection strip or computer, this strip being produced according to the method according to the claim 1, characterized in that said extension (9), thus cut in bevel, of each insulation displacement contact (5) is an extension which is common to that of the corresponding conjugate contact (5 '), so that these two conjugate extensions (9) thus constitute a connecting bridge (10) made of single piece and cut obliquely on only one (11) of its two slices, the one that adjoins the mirror bridge (10 ') and immediately adjacent to the two conjugate pairs adjacent. Réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette étant réalisée suivant le procédé selon la revendication 1, caractérisée en ce que ledit prolongement (9), ainsi taillé en biseau, de chaque contact autodénudant est un prolongement élastique qui comporte un plot de contact (13) à son extrémité libre, de sorte que les deux prolongements élastiques conjugués constituent ainsi une liaison à coupure qui est taillée en biais sur une seule (11) de ses deux tranches, celle qui jouxte la liaison miroir et immédiatement voisine des deux paires conjuguées adjacentes.Telephone line interconnection strip or computer, this strip being produced according to the method according to the claim 1, characterized in that said extension (9), thus cut in bevel, of each insulation displacement contact is an elastic extension which has a contact pad (13) at its free end, so that the two conjugate elastic extensions thus constitute a cut-off bond which is cut obliquely on only one (11) of its two slices, the one which adjoins the connection mirror and immediately adjacent to the two adjacent conjugate pairs.
EP97420230A 1996-12-20 1997-12-10 Method of making telephone or data terminal blocks and terminal block obtained by this process Expired - Lifetime EP0849841B1 (en)

Applications Claiming Priority (2)

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FR9616076 1996-12-20
FR9616076A FR2757691B1 (en) 1996-12-20 1996-12-20 METHOD FOR PRODUCING A INTERCONNECTION RULE FOR TELEPHONE OR COMPUTER LINES, AND RULE OBTAINED BY THIS METHOD

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EP0849841A1 true EP0849841A1 (en) 1998-06-24
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EP (1) EP0849841B1 (en)
AR (1) AR009670A1 (en)
AT (1) ATE327582T1 (en)
CA (1) CA2223186A1 (en)
DE (1) DE69735924T2 (en)
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CN109616801A (en) * 2017-12-29 2019-04-12 番禺得意精密电子工业有限公司 Electric connector

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US7458840B2 (en) * 2004-09-15 2008-12-02 3M Innovative Properties Company Cap configured to removably connect to an insulation displacement connector block
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EP1720221A1 (en) * 2005-05-03 2006-11-08 3M Innovative Properties Company A telecommunications module, a distribution point comprising at least one telecommunications module, and a method of manufacturing a telecommunications module
US7303446B2 (en) * 2005-05-18 2007-12-04 3M Innovative Proprties Company Frame assembly
US20060264090A1 (en) * 2005-05-18 2006-11-23 Dower William V Electrical connector assembly and method of forming the same
ES2358440T3 (en) * 2005-07-14 2011-05-10 REICHLE & DE-MASSARI AG CONNECTION DEVICE AND CONNECTION SYSTEM FOR ELECTRIC ISOLATED DRIVERS.
US7165983B1 (en) 2005-12-08 2007-01-23 3M Innovative Properties Company Access cover configured to receive a testing device
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US7794267B2 (en) * 2008-08-06 2010-09-14 Tyco Electronics Corporation Card edge connector with IDC wire termination
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US5967826A (en) 1999-10-19
MX9710096A (en) 1998-10-31
EP0849841B1 (en) 2006-05-24
CA2223186A1 (en) 1998-06-20
FR2757691B1 (en) 1999-01-22
AR009670A1 (en) 2000-04-26
RU2212082C2 (en) 2003-09-10
FR2757691A1 (en) 1998-06-26
DE69735924T2 (en) 2006-10-19
DE69735924D1 (en) 2006-06-29
PL323808A1 (en) 1998-06-22
ATE327582T1 (en) 2006-06-15

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