EP0742769A1 - Shoe-type braking device for railway rolling stock - Google Patents
Shoe-type braking device for railway rolling stockInfo
- Publication number
- EP0742769A1 EP0742769A1 EP95908290A EP95908290A EP0742769A1 EP 0742769 A1 EP0742769 A1 EP 0742769A1 EP 95908290 A EP95908290 A EP 95908290A EP 95908290 A EP95908290 A EP 95908290A EP 0742769 A1 EP0742769 A1 EP 0742769A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shoes
- movable
- shoe
- wheel
- shaft
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H9/00—Brakes characterised by or modified for their application to special railway systems or purposes
Definitions
- the invention relates to a braking device of the shoe type for railway material intended to run on networks between which the tracks have different spacings.
- railway equipment comprises a chassis carried by at least one axle at the ends of which are wedged wheels spaced from each other by a value determined according to the difference between the rails of a determined network and under which chassis is installed a shoe type braking device comprising for each wheel:
- - a wheelhouse and at least one pair of shoes which are arranged in zones substantially diametrically opposite of the wheel in the manner of jaws so that, when braking, the wheelhouse maneuvers the shoes to pinch the tread of the wheel between them .
- the shoes are each carried by a support connected to the chassis by a suspension means allowing the movement of the shoe considered in the same plane as that containing the wheel.
- the suspension means generally consists of a suspension link.
- the difference in length between the two types of axles is sufficient to use two shoes mounted on the chassis, but it sometimes happens that the treads on which the shoes rest are, in axial positions, completely distinct at the along the axis of the axle but the width of these strips increased by the thickness of the flanges of these wheels is such that the areas reserved for their passage are close or even overlap and at least, in the use of the one of the axles, if the two pairs of shoes were ordered simultaneously, the pair of shoes which is not intended for the type of axles considered, could come, if only through games, in contact with the outer edge of the wheel and at least prevent the shoe actually assigned to the wheel in question from coming to rest on the tread and allowing the braking action. Given the space available, it is not conceivable to provide a second wheelhouse to make the operation of pairs of shoes independent.
- a braking device notably characterized in that it comprises:
- each support two shoes, each adapted to the profile of the wheel used on a different network
- a locking means in translation of at least the movable shoes in predetermined positions.
- FIG. 1 a partial side view of railway equipment
- FIG. 2 and 3 a top view of a braking device according to the invention in two operating positions.
- railway equipment 1 in order to run on two railway networks with a track gauge difference between them, railway equipment 1 is used, on which axle interchangeability means are provided for adapt them to the spacing of the network tracks to be used.
- each railway material comprises a chassis 2 carried by at least one axle 3 at the ends of which are chocked wheels 4 spaced from one another by a value determined as a function of the difference between the rails and under which chassis a shoe type braking device 5 is arranged comprising for each wheel a wheelhouse and at least one pair of shoes 7a, 7b ⁇ i its "arranged in zones substantially diametrically opposite of the wheel in the manner of jaws so that, when braking, the wheelhouse maneuvers the shoes to pinch the tread between them.
- the shoes 7a, 7b are each carried by a support 8 connected to the chassis by means 9 of suspension authorizing the movement of the shoe considered in the same plane as that containing the wheel.
- This suspension means generally takes the form of a suspension link.
- the braking device comprises
- each support 8 two shoes 7a, 7b, each adapted to the profile of the wheel used on a different network, - a shaft 10 parallel to the axis of the axle 3 on which at least one of the shoes, said movable shoe, is mounted to slide, which shaft is long enough to allow at least said movable shoe to move between two positions, one called the active position where it is opposite the wheel to which it is assigned and the other so-called waiting position where it is sufficiently spaced from the previous position so that, during the operation of all the shoes, the trajectory of the shoes in the waiting position does not intersect with the wheels then used and,
- the movable shoes then comprise a means 12 for guiding in translation on the shaft, such as a bore 12 formed in the support on which they are fixed.
- the shoes placed as close as possible to the median axis of the railway material which are mobile.
- the locking means consist of the rod of a pin which engages in a bore that has the support of the shoe and the shaft.
- the locking means 11 is an eclipsable stop 13 which: - on the one hand, has its transverse dimension D measured along the axis of the shaft substantially equal to the unoccupied length of the tree and, - on the other hand, is movable in translation along the axis
- the two shoes are movable and the eclipsable stop 13 is constituted by two individual shims 13a, 13b whose sum of thicknesses is equal to the total thickness of the eclipsable stop 13 so that, depending on the position of the shims, the distance between the shoes and their position on the shaft is such that there is no risk that the shoe, which is not temporarily in service, intersects with the wheel flange.
- the eclipsable stop 13 instead of the eclipsable stop 13 being movable in translation, it has complementary movable shapes with the shoe .. to lock it in its positions.
- the eclipsable stop 13 is carried by the rod 17 of an operating means, which rod is parallel to the shaft and movable in rotation.
- these supports are both carried by a rod 18 whose ends are guided in rotation and immobilized in translation on the suspension links which connect them to the chassis.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
DISPOSITIF DE FREINAGE DU TYPE A SABOT POUR MATERIEL FERROVIAIRE L'invention se rapporte à un dispositif de freinage du type à sabot pour un matériel ferroviaire destiné à circuler sur des réseaux entre lesquels les voies ont des écartements différents. The invention relates to a braking device of the shoe type for railway material intended to run on networks between which the tracks have different spacings.
Classiquement, un matériel ferroviaire comprend un châssis porté par au moins un essieu aux extrémités duquel sont calées des roues écartées l'une de l'autre d'une valeur déterminée en fonction de l'écart entre les rails d'un réseau déterminé et sous lequel châssis est installé un dispositif de freinage du type à sabot comprenant pour chaque roue :Conventionally, railway equipment comprises a chassis carried by at least one axle at the ends of which are wedged wheels spaced from each other by a value determined according to the difference between the rails of a determined network and under which chassis is installed a shoe type braking device comprising for each wheel:
- une timonerie et au moins une paire de sabots qui sont disposés en des zones sensiblement diamétralement opposées de la roue à la manière de mâchoires pour que, lors du freinage, la timonerie manoeuvre les sabots pour pincer entre eux la bande de roulement de la roue.- a wheelhouse and at least one pair of shoes which are arranged in zones substantially diametrically opposite of the wheel in the manner of jaws so that, when braking, the wheelhouse maneuvers the shoes to pinch the tread of the wheel between them .
De manière classique, les sabots sont chacun portés par un support relié au châssis par un moyen de suspension autorisant le déplacement du sabot considéré dans le même plan que celui contenant la roue. Le moyen de suspension consiste généralement en une biellette de suspension.Conventionally, the shoes are each carried by a support connected to the chassis by a suspension means allowing the movement of the shoe considered in the same plane as that containing the wheel. The suspension means generally consists of a suspension link.
Pour faire circuler des matériels ferroviaires sur des réseaux de voies de chemin de fer dont les écartements des rails sont différents, on effectue un simple échange des essieux d'un certain écartement par d'autres essieux adaptés à l'autre écartement de voie.To circulate railway equipment on networks of railway tracks with different spacings of the rails, a simple exchange of the axles with a certain spacing is carried out by other axles adapted to the other track spacing.
Ceci est beaucoup moins coûteux que d'immobiliser des bogies ou des plateformes complètes.This is much less expensive than immobilizing bogies or complete platforms.
Cependant, lorsqu'on échange un essieu par un au .a, les roues ne se trouvent plus dans le même plan que celui c menant les sabots ce qui rend donc inopérant le freinage.However, when an axle is replaced by an .a, the wheels are no longer in the same plane as that leading to the shoes which therefore makes braking inoperative.
Plusieurs problèmes s'ajoutent à celui précité. Généralement, le type de sabots utilisé sur un réseau est différent de celui utilisé sur un autre réseau et on ne peut donc envisager d'utiliser un seul sabot qu'on déplacerait transversalement selon l'écartement de la voie ferrée.Several problems are added to the above. Generally, the type of shoes used on a network is different from that used on another network and one cannot therefore envisage using a single shoe which one would move transversely according to the gauge of the railway.
Deux paires de sabots sont donc nécessaires ; une seule travaille sur un réseau et l'autre travaille sur l'autre réseau.Two pairs of hooves are therefore necessary; only one works on one network and the other works on the other network.
Dans certains cas, la différence de longueur entre les deux types d'essieux est suffisante pour utiliser deux sabots montés sur le châssis mais il arrive que les bandes de roulement sur lesquelles s'appuient les sabots soient, à des positions axiales, totalement distinctes au long de l'axe de l'essieu mais la largeur de ces bandes majorée de l'épaisseur des boudins de ces roues est telle que les zones réservées pour leur passage sont proches voire se chevauchent et au moins, dans l'utilisation de l'un des essieux, si on commandait simultanément les deux paires de sabots, la paire de sabots qui n'est pas destinée au type d'essieux considéré, pourrait venir., ne serait-ce qu'à la faveur des jeux, en contact avec le bord externe de la roue et empêcherait au moins que le sabot effectivement attribué à la roue considérée vienne normalement en appui sur la bande de roulement et permette l'action de freinage. Compte tenu de la place disponible, il n'est pas concevable de prévoir une deuxième timonerie permettant de rendre indépendant la manoeuvre des paires de sabots.In certain cases, the difference in length between the two types of axles is sufficient to use two shoes mounted on the chassis, but it sometimes happens that the treads on which the shoes rest are, in axial positions, completely distinct at the along the axis of the axle but the width of these strips increased by the thickness of the flanges of these wheels is such that the areas reserved for their passage are close or even overlap and at least, in the use of the one of the axles, if the two pairs of shoes were ordered simultaneously, the pair of shoes which is not intended for the type of axles considered, could come, if only through games, in contact with the outer edge of the wheel and at least prevent the shoe actually assigned to the wheel in question from coming to rest on the tread and allowing the braking action. Given the space available, it is not conceivable to provide a second wheelhouse to make the operation of pairs of shoes independent.
Un des résultats que l'invention vise à obtenir est un dispositif de freinage du type cité plus haut qui apporte une solution aux problèmes évoqués ci-dessus.One of the results which the invention aims to obtain is a braking device of the type mentioned above which provides a solution to the problems mentioned above.
A cet effet, elle a pour objet un tel dispositif de freinage notamment caractérisé en ce qu'il comprend :To this end, it relates to such a braking device notably characterized in that it comprises:
- portés par chaque support, deux sabots, chacun adapté au profil de la roue utilisée sur un réseau différent,- carried by each support, two shoes, each adapted to the profile of the wheel used on a different network,
- un arbre parallèle à l'axe de l'essieu sur lequel au moins l'un des sabots, dit sabot mobile, est monté à coulissement, lequel arbre est suffisamment long pour permettre au moins au dit sabot mobile de se déplacer entre deux positions, l'une dite position active où il se trouve en vis à vis de la roue à laquelle il est attribué et l'autre position dite d'attente où il est suffisamment écarté de la précédente position pour que, lors de la manoeuvre de l'ensemble des sabots, la trajectoire des sabots en position d'attente n'intersecte pas avec les roues alors utilisées et,- a shaft parallel to the axis of the axle on which at least one of the shoes, said movable shoe, is mounted to slide, which tree is long enough to allow at least said movable shoe to move between two positions, one called active position where it is opposite the wheel to which it is assigned and the other so-called standby position where it is sufficiently spaced from the previous position so that, during the operation of all the shoes, the trajectory of the shoes in the standby position does not intersect with the wheels then used and,
- un moyen de verrouillage en translation d'au moins les sabots mobiles dans des positions prédéterminées.- A locking means in translation of at least the movable shoes in predetermined positions.
L'invention sera bien comprise à l'aide de la description ci-aprés faite à titre d'exemple non limitatif en regard du dessin ci-annexé qui représente schématiquement : - figure 1 : une vue latérale partielle d'un matériel ferroviaire,The invention will be clearly understood with the aid of the description below given by way of nonlimiting example with regard to the appended drawing which schematically represents: FIG. 1: a partial side view of railway equipment,
- figures 2 et 3 : une vue de dessus d'un dispositif de freinage selon l'invention en deux positions de fonctionnement. En se reportant au dessin, on voit que, pour circuler sur deux réseaux de chemin de fer avec entre eux une différence d'écartement des voies, on utilise un matériel ferroviaire 1 sur lequel sont prévus des moyens d'inter- échangéabilité des essieux pour les adapter à l'écartement des voies du réseau à emprunter.- Figures 2 and 3: a top view of a braking device according to the invention in two operating positions. Referring to the drawing, it can be seen that, in order to run on two railway networks with a track gauge difference between them, railway equipment 1 is used, on which axle interchangeability means are provided for adapt them to the spacing of the network tracks to be used.
Ainsi, chaque matériel ferroviaire comprend un châssis 2 porté par au moins un essieu 3 aux extrémités duquel sont calées des roues 4 écartées l'une de l'autre d'une valeur déterminée en fonction de l'écart entre les rails et sous lequel châssis est disposé un dispositif 5 de freinage du type à sabot comprenant pour chaque roue une timonerie et au moins une paire de sabots 7a, 7b ^ i son" disposés en des zones sensiblement diamétralement opposées de la roue à la manière de mâchoires pour que, lors du freinage, la timonerie manoeuvre les sabots pour pincer entre eux la bande de roulement.Thus, each railway material comprises a chassis 2 carried by at least one axle 3 at the ends of which are chocked wheels 4 spaced from one another by a value determined as a function of the difference between the rails and under which chassis a shoe type braking device 5 is arranged comprising for each wheel a wheelhouse and at least one pair of shoes 7a, 7b ^ i its "arranged in zones substantially diametrically opposite of the wheel in the manner of jaws so that, when braking, the wheelhouse maneuvers the shoes to pinch the tread between them.
De manière classique, les sabots 7a, 7b sont chacun portés par un support 8 relié au châssis par un moyen 9 de suspension autorisant le déplacement du sabot considéré dans le même plan que celui contenant la roue.Conventionally, the shoes 7a, 7b are each carried by a support 8 connected to the chassis by means 9 of suspension authorizing the movement of the shoe considered in the same plane as that containing the wheel.
Ce moyen de suspension se matérialise généralement par une biellette de suspension. Selon l'invention, le dispositif de freinage comprendThis suspension means generally takes the form of a suspension link. According to the invention, the braking device comprises
••
- portés par chaque support 8, deux sabots 7a, 7b, chacun adapté au profil de la roue utilisée sur un réseau différent, - un arbre 10 parallèle à l'axe de l'essieu 3 sur lequel au moins l'un des sabots, dit sabot mobile, est monté à coulissement, lequel arbre est suffisamment long pour permettre au moins au dit sabot mobile de se déplacer entre deux positions, l'une dite position active où il se trouve en vis à vis de la roue à laquelle il est attribué et l'autre position dite d'attente où il est suffisamment écarté de la précédente position pour que, lors de la manoeuvre de l'ensemble des sabots, la trajectoire des sabots en position d'attente n'intersecte pas avec les roues alors utilisées et,- carried by each support 8, two shoes 7a, 7b, each adapted to the profile of the wheel used on a different network, - a shaft 10 parallel to the axis of the axle 3 on which at least one of the shoes, said movable shoe, is mounted to slide, which shaft is long enough to allow at least said movable shoe to move between two positions, one called the active position where it is opposite the wheel to which it is assigned and the other so-called waiting position where it is sufficiently spaced from the previous position so that, during the operation of all the shoes, the trajectory of the shoes in the waiting position does not intersect with the wheels then used and,
- un moyen 11 de verrouillage en translation d'au moins les sabots mobiles dans des positions prédéterminées.- A means 11 for locking in translation at least the movable shoes in predetermined positions.
Les sabots mobiles comprennent alors un moyen 12 de guidage en translation sur l'arbre, tel un alésage 12 constitué dans le support sur lequel ils sont fixés.The movable shoes then comprise a means 12 for guiding in translation on the shaft, such as a bore 12 formed in the support on which they are fixed.
Selon l'invention, ce sont les sabots placés au plus près de l'axe médian du matériel ferroviaire qui sont mobiles.According to the invention, it is the shoes placed as close as possible to the median axis of the railway material which are mobile.
Dans une forme de réalisation (non représentée) , les moyens de verrouillage sont constitués par la tige d'une goupille qui s'engage dans un perçage que présente le support du sabot et l'arbre.In one embodiment (not shown), the locking means consist of the rod of a pin which engages in a bore that has the support of the shoe and the shaft.
Dans une forme préférée de l'invention, le moyen 11 de verrouillage est une butée 13 éclipsable qui : - d'une part, a sa dimension D transversale mesurée selon l'axe de l'arbre sensiblement égale à la longueur inoccupée de l'arbre et, - d'autre part, est mobile en translation selon l'axeIn a preferred form of the invention, the locking means 11 is an eclipsable stop 13 which: - on the one hand, has its transverse dimension D measured along the axis of the shaft substantially equal to the unoccupied length of the tree and, - on the other hand, is movable in translation along the axis
14 de l'arbre de manière à immobiliser au moins le sabot mobile dans ses positions selon que la butée éclipsable se positionne d'un côté ou de l'autre du sabot mobile à la manière d'une cale.14 of the shaft so as to immobilize at least the movable shoe in its positions depending on whether the eclipsable stop is positioned on one side or the other of the movable shoe in the manner of a wedge.
De préférence, les deux sabots sont mobiles et la butée 13 éclipsable est constituée par deux cales 13a, 13b individuelles dont la somme des épaisseurs est égale à l'épaisseur totale de la butée 13 éclipsable de sorte que, selon la position des cales, la distance entre les sabots et leur position sur l'arbre est telle qu'il n'y ait pas de risque que le sabot, qui n'est pas momentanément en service, intersecte avec le boudin de roue.Preferably, the two shoes are movable and the eclipsable stop 13 is constituted by two individual shims 13a, 13b whose sum of thicknesses is equal to the total thickness of the eclipsable stop 13 so that, depending on the position of the shims, the distance between the shoes and their position on the shaft is such that there is no risk that the shoe, which is not temporarily in service, intersects with the wheel flange.
La position des sabots a été représentée (figures 2 et 3) selon qu'on utilise l'un ou l'autre des essieux.The position of the shoes has been shown (Figures 2 and 3) depending on whether one or the other of the axles is used.
Ceci permet d'exploiter au mieux la place disponible pour monter les sabots de frein.This makes the best use of the space available for mounting the brake shoes.
Dans une variante de réalisation (non représentée) , au lieu que la butée 13 éclipsable soit mobile en translation, elle présente avec le sabot .. mobile des formes complémentaires pour le verrouiller dans ses positions.In an alternative embodiment (not shown), instead of the eclipsable stop 13 being movable in translation, it has complementary movable shapes with the shoe .. to lock it in its positions.
La butée 13 éclipsable est portée par la tige 17 d'un moyen de manoeuvre, laquelle tige est parallèle à l'arbre et mobile en rotation. Au lieu que les supports des sabots soient suspendus individuellement par une biellette, ces supports sont tous deux portés par une tige 18 dont les extrémités sont guidées en rotation et immobilisées en translation sur les biellettes de suspension qui les relient au châssis. Ainsi, avec un jeu de cale et une longueur d'arbre réduite par les gabarits imposés, on positionne les sabots en des positions axiales de telle manière qu'il n'y a pas de risques de contact fortuit du sabot non utilisé avec la roue de l'essieu en place. The eclipsable stop 13 is carried by the rod 17 of an operating means, which rod is parallel to the shaft and movable in rotation. Instead of the shoe supports being individually suspended by a link, these supports are both carried by a rod 18 whose ends are guided in rotation and immobilized in translation on the suspension links which connect them to the chassis. Thus, with a shim clearance and a shaft length reduced by the imposed templates, the shoes are positioned in axial positions so that there is no risk of accidental contact of the shoe not used with the wheel. axle in place.
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9401542 | 1994-02-07 | ||
| FR9401542A FR2715905B1 (en) | 1994-02-07 | 1994-02-07 | Shoe type braking device for railway equipment. |
| PCT/FR1995/000114 WO1995021085A1 (en) | 1994-02-07 | 1995-02-01 | Shoe-type braking device for railway rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0742769A1 true EP0742769A1 (en) | 1996-11-20 |
Family
ID=9459981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95908290A Withdrawn EP0742769A1 (en) | 1994-02-07 | 1995-02-01 | Shoe-type braking device for railway rolling stock |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0742769A1 (en) |
| CZ (1) | CZ285002B6 (en) |
| FI (1) | FI963096A0 (en) |
| FR (1) | FR2715905B1 (en) |
| HU (1) | HU218771B (en) |
| PL (1) | PL176422B1 (en) |
| RU (1) | RU2143357C1 (en) |
| SI (1) | SI9520033A (en) |
| UA (1) | UA28030C2 (en) |
| WO (1) | WO1995021085A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU176834U1 (en) * | 2016-12-26 | 2018-01-30 | РЕЙЛ 1520 АйПи ЛТД | Railway Vehicle Brake System |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2787226A (en) * | 1951-05-21 | 1957-04-02 | Symington Gould Corp | Railway car truck |
| FR2381651A1 (en) * | 1977-02-24 | 1978-09-22 | Sambre & Meuse Usines | Bogie for railway vehicle - has specially shaped sole bars which can be reversed relative to traverse for gauge conversion |
| DE4235807A1 (en) * | 1992-10-23 | 1993-11-11 | Talbot Waggonfab | Block brakes for rail vehicle with at least respectively one brake block - acting on running surface of each wheel of set of wheels which is operable by brake cylinder controlled by at least one control unit across central brake rod. |
-
1994
- 1994-02-07 FR FR9401542A patent/FR2715905B1/en not_active Expired - Fee Related
-
1995
- 1995-02-01 PL PL95315663A patent/PL176422B1/en unknown
- 1995-02-01 SI SI9520033A patent/SI9520033A/en unknown
- 1995-02-01 HU HU9602034A patent/HU218771B/en not_active IP Right Cessation
- 1995-02-01 RU RU96118116A patent/RU2143357C1/en active
- 1995-02-01 CZ CZ962151A patent/CZ285002B6/en not_active IP Right Cessation
- 1995-02-01 UA UA96083160A patent/UA28030C2/en unknown
- 1995-02-01 WO PCT/FR1995/000114 patent/WO1995021085A1/en active IP Right Grant
- 1995-02-01 EP EP95908290A patent/EP0742769A1/en not_active Withdrawn
-
1996
- 1996-08-06 FI FI963096A patent/FI963096A0/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9521085A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2143357C1 (en) | 1999-12-27 |
| FR2715905B1 (en) | 1996-06-07 |
| PL315663A1 (en) | 1996-11-25 |
| UA28030C2 (en) | 2000-10-16 |
| SI9520033A (en) | 1996-12-31 |
| PL176422B1 (en) | 1999-05-31 |
| WO1995021085A1 (en) | 1995-08-10 |
| HUT77685A (en) | 1998-07-28 |
| HU218771B (en) | 2000-12-28 |
| FR2715905A1 (en) | 1995-08-11 |
| CZ285002B6 (en) | 1999-04-14 |
| FI963096L (en) | 1996-08-06 |
| HU9602034D0 (en) | 1996-09-30 |
| FI963096A0 (en) | 1996-08-06 |
| CZ215196A3 (en) | 1996-10-16 |
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