EP0684174A1 - Dispositif de verrouillage pour pièces d'aiguillage de chemin de fer - Google Patents

Dispositif de verrouillage pour pièces d'aiguillage de chemin de fer Download PDF

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Publication number
EP0684174A1
EP0684174A1 EP95890091A EP95890091A EP0684174A1 EP 0684174 A1 EP0684174 A1 EP 0684174A1 EP 95890091 A EP95890091 A EP 95890091A EP 95890091 A EP95890091 A EP 95890091A EP 0684174 A1 EP0684174 A1 EP 0684174A1
Authority
EP
European Patent Office
Prior art keywords
bolt
tube
parts
displaceable
wall thickness
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
EP95890091A
Other languages
German (de)
English (en)
Other versions
EP0684174B1 (fr
Inventor
Gerald Durchschlag
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.)
Voestalpine Railway Systems GmbH
Original Assignee
Voestalpine VAE GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voestalpine VAE GmbH filed Critical Voestalpine VAE GmbH
Priority to SI9530067T priority Critical patent/SI0684174T1/xx
Publication of EP0684174A1 publication Critical patent/EP0684174A1/fr
Application granted granted Critical
Publication of EP0684174B1 publication Critical patent/EP0684174B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points

Definitions

  • the invention relates to a device for locking end positions of movable switch parts, in particular switch lock, in which two parts movable relative to one another can be displaced in a position that is non-positive in at least one direction of movement, separate locking elements being provided.
  • the so-called clamp tip lock has become known, for example.
  • two parts which are movable relative to one another are provided, one part being guided in a recess in the other and having to be pivoted relative to the other part in the displacement plane in order to take up the two respective operating positions.
  • pivoting from the plane of displacement is required.
  • all known switch locks are designed so that a more or less complex off-axis movement is required and that the parts causing the lock are exposed and thus exposed to contamination. In particular, the risk of contamination can hinder a secure locking.
  • the design according to the invention essentially consists in that the parts which are displaceable relative to one another are formed by a tube and a bolt guided in the tube, that the tube has slots extending over part of its axial length in the axial direction with the formation of spring tongues, and that the free ends of the spring tongues bear a head with a wall thickness exceeding the wall thickness of the tube.
  • the parts movable relative to each other only in the axial direction relative are mutually displaceable, since one of the two parts is guided by a component guided axially in the other part, the risk of eccentric and eccentric forces is initially avoided, with the fact that one of the components is a tube and engages around the other component, a complete closed training and protected against the ingress of dirt is made possible.
  • the locking itself takes place in such a design by separate locking members, which are formed by widened heads of spring tongues.
  • the locking members are dimensioned so that they are displaceable between the inner contour of the outer component and the outer contour of the inner component during the displacement, wherein the locking can be achieved by radial displacement of the heads of the spring tongues.
  • the design is such that the parts which are displaceable relative to one another are guided in a stationary outer tube which has at least one axial region on the inner jacket with an enlarged internal width.
  • a stationary outer tube which has at least one axial region on the inner jacket with an enlarged internal width.
  • Such an outer tube encompasses, in particular, a locking member which can be displaced outward in the radial direction and can therefore also reliably prevent dust or dirt from penetrating at this point.
  • such an outer tube as a self-contained further protected component offers the possibility, if desired, as in a preferred embodiment, to arrange a displacement drive, which can be arranged in the stationary outer tube.
  • a limitation of the relative displacement of the internal, bolt-shaped, axially guided component in the tube to the external, tubular, axially displaceable component can be achieved in a simple manner in that the tubular part displaceable along its axis has at least one inwardly projecting rim, which with interacts with a stop on the bolt-shaped part which is displaceable along its axis.
  • Such an inwardly projecting board also has the advantage that a spring can be arranged between the inwardly projecting board and a stop of the bolt-shaped component cooperating with this board.
  • Such a spring is advantageously designed as a helical spring and such a design can serve as a changeover aid, since during the adjustment process, when a device according to the invention is assigned to each movable rail, both springs are first compressed, which results in a dead center position and a spring in the respective end position is expanded again.
  • the changeover movement is supported from the respective dead center position, with the further advantage that a switch operated in this way or equipped with such a closure member can be cut open against the force of a spring.
  • the design is such that the bolt-shaped displaceable part is offset to a smaller diameter over part of its length.
  • the locking members can be moved in their radially inwardly displaced position in the longitudinal direction of the bolt, so that a lead or a lag of the adjustment movement is made possible, in which a locking position has not yet been reached. Only after the run-up over a conical surface on the larger diameter of the bolt, can the locking members move out of the way if they can dip into a corresponding annular groove or recess in the outer tube. Locking is only possible in this second position.
  • the training can hiebei to allow a wear-free displacement of the locking members so that the diameter difference between the smaller diameter of the bolt-shaped part and the inner diameter of the stationary outer tube as well as the diameter difference between the larger diameter of the bolt-shaped part and the greater clear width of the recessed area of the stationary tube is greater than the wall thickness of the head of the spring tongues.
  • the design is preferably such that the wall thickness of the displaceable part is greater than half the wall thickness of the head of the spring tongues.
  • the locking in the embodiment according to the invention takes place in that the locking members are displaced outwards in the radial direction and are immersed in an annular groove or recess on the inner circumference of the stationary outer tube.
  • the closure according to the invention can also be used directly as a drive for the adjustment of a switch, the design advantageously being such that one of the axially displaceable parts, in particular the bolt-shaped part, is connected to a displacement drive , whereby for the arrangement of such a shift drive, as already mentioned above, that the stationary outer tube is particularly suitable.
  • FIG. 1 shows a section through a first embodiment of a device according to the invention for locking end positions of movable switch parts; 2 shows a section along the line II-II of Figure 1; 3 shows, in a representation analogous to FIG. 1, a section through a second position of the locking device according to FIG. 1; 4 shows a view in the direction of arrow IV of FIG.
  • 5 shows a schematic plan view of a switch, devices according to the invention for locking end positions of movable switch parts being used;
  • 6 shows a section along the line VI-VI of Figure 5;
  • 7 shows a section along the line VII-VII of Figure 5, with the training 6 and 7, a pressing closure for switches with connecting rods between the movable tongue rails is shown;
  • 8a to 8d different positions of a pulling lock using devices according to the invention for locking end positions of movable switch parts, the representations being partly in section;
  • 10 shows, in a representation similar to FIG.
  • FIGS. 13 to 16 representations of a modified embodiment in FIGS. 1 to 4 in an analogous manner.
  • FIGS. 1 and 2 show sections through a device for locking end positions of movable switch parts, parts in the form of a tube 2 and a bolt 3 axially guided in the tube 2 being arranged in an outer tube 1 relative to one another.
  • the outer tube 1 forming a housing is arranged stationary and the parts which are displaceable relative to one another, i.e. the tube 2 and the bolt 3 are connected to a movable rail part and / or to a drive, as will become clear from the following figures.
  • the tube 2 and the bolt 3 interact via locking members 4.
  • Housing 1 is closed at its front end 5, seals between the tubular displaceable part 2 and the outer tube 1 or the front end 5 and between the bolt 3 and the tube 2 can be provided. Such seals are indicated by 6 and 7.
  • the bolt 3 has a partial area 8, the outer diameter of which corresponds to the inner diameter of the tube 2.
  • the bolt 3 then has a stop 9 defining a stepped region, which interacts with a flange 10 of the tube 2 when the bolt 3 is displaced according to a predetermined displacement path.
  • the locking members 4 enter a region 12 of the bolt, which is in turn detached, and permit a further displacement movement of the bolt 3 and of the tube 2 in the direction of the arrow 11.
  • the locking members 4 get in their pivoting in the radial direction to the outside in an annular groove 14.
  • the device for locking end positions of movable switch parts is in a position shifted in the direction of arrow 11 according to FIG. 1, and it is clearly evident that the bolt 3 is caused by interaction of the stop 9 with the board 10 of the tube 2 has also caused a displacement movement of the tube 2 in the direction of the arrow 11. Due to the fact that after a first sliding movement of the bolt 3, the locking members 4 reach the stepped region 12 of the bolt, the tube 2 can be displaced over the position shown in FIG.
  • a switch is shown schematically in FIG. 5, the switchover of the tongue rails 15, 16 to a position in each case resting against the stock rails 17, 18 via a plurality of closures, generally designated 20, each of which is shown in FIGS Have device shown in more detail, as shown in more detail in the following figures.
  • connecting rods 21 are also provided between the tongue rails 15, 16.
  • the stock rails 17 and 18 and the tongue rails 15, 16 rest in a generally known manner on sleepers 22 and are supported by sliding plates or underlay plates.
  • drives 23 provided between them are used, which cooperate with the devices shown in FIGS. 1 to 4.
  • Control lines 24 for the changeover drives are indicated schematically in FIG.
  • evaluation lines 25 are indicated, which cooperate, for example, with limit switches 26 and represent a display for an adjacent tongue rail.
  • a common evaluation and regulation or control unit is indicated schematically at 27.
  • 6 and 7 clearly show the fixing of the stock rails 17 and 18 to ribbed plates or base plates 28 and 29.
  • 6 shows the arrangement of the connecting rod 21 between the tongue rails 15 and 16, which ensures the desired distance between the tongue rails 15 and 16.
  • the tongue rails are arranged displaceably on a sliding chair 30 in a known manner.
  • each tongue rail 15 or 16 is assigned a device for locking end positions of movable switch parts, the displaceable pipe 2 guided in the stationary outer tube 1 of such a device to the inside of the rail foot of the respectively assigned tongue rail 15 and 16 presses while the pipe 2 slidably guided bolt 3 cooperates with a schematically indicated drive 20 lying between the tongue rails.
  • the tongue rail is changed over by appropriate action on the bolt-shaped displaceable parts 3 in the devices for locking the end positions of the movable switch parts.
  • FIGS. 6 and 7 of a pushing lock with a connecting rod 21 can be used in particular for turnouts for high speeds, wherein no cutting of the turnout is desired, but fluttering of the tongue rails is avoided by locking on both sides.
  • a pushing system of the device for locking end positions on the tongue rails 15 and 16, so that no length-compensating connectors are required.
  • there is a mutual locking with one-sided locking by additional use of the connecting rod coupled to the tongue rails 15 to 16 via joints 31.
  • FIGS. 8a to 8d a pulling lock using devices for locking end positions of movable switch parts is shown schematically, partly in section, in different positions of the rails.
  • the tongue rails 15 and 16 are connected in this embodiment via connecting pieces 32 directly to the tubular displaceable parts 2 of the associated device for locking the end position of the tongue rails.
  • the movable bolt-shaped parts 3 are in turn connected to a drive 20 arranged between the tongue rails.
  • compression springs 33 are arranged between the stop 9 of the bolt-shaped part 3 and the associated flange 10 of the tubular part, which are either compressed or expanded in accordance with the position taken in each case.
  • FIGS. 8a to 8d The sequence of a changeover movement of the tongue rails 15 and 16 is shown in FIGS. 8a to 8d.
  • the interconnected bolt-shaped displaceable parts 3 are acted upon by the displacement drive 20, starting from the position illustrated in FIG , while the tongue rail 16 still remains in its original position. Only in the position shown in FIG. 8b is there a release of the sliding movement of the tubular part 2 by lowering the locking members 4 into the lowered region 12 of the bolt-shaped part 3, so that starting from this position, along with a displacement of the tongue rail 15, it is now also entrained the tongue rail 16 takes place, as shown in Fig.8c.
  • FIGS. 8a to 8d The embodiment shown in FIGS. 8a to 8d is intended for switches which can be cut open, since the open tongue is first cut open and the closure is not locked on this side.
  • FIGS. 9a and 9b The end positions of a similar pressing closure for a grooved rail are shown in FIGS. 9a and 9b.
  • the rigid elements of the grooved rail are designated 35 and 36, while the movable rail and the movable switch part are designated 37.
  • the inner rigid rail part 36 is penetrated by the tubular part 2, which is connected to the movable rail 37.
  • the stationary outer tube 1 is also arranged on the inner part 36 of the grooved rail.
  • the drive is designed similarly to the embodiment according to FIGS. 8a to 8d, with the support by compression springs being dispensed with in this embodiment.
  • a connecting rod 21 between the tongue rails 15 and 16 is shown in FIG. 10 analogously to the illustration in FIG.
  • FIGS. 11a to 11d a pressing changeover aid is shown in FIGS. 11a to 11d, in this embodiment the bolt-shaped, displaceable parts 3 each abutting the inner surface of the rail foot of the tongue rails 15 and 16.
  • the tubular part 2 is in turn displaceably mounted in the stationary outer tube or housing 1 and a compression spring 33 is in each case provided between the stop 9 of the bolt-shaped movable part and the flange 10 of the tube 2.
  • the bolt 3 has a circumferential groove 38 corresponding to the offset region 12 for the closures of the previous embodiments, into which the locking members 4 can be immersed in the corresponding position of the bolt-shaped parts 3 connected to one another, so that a displacement of the tubular part 2 also in the outer tube 1 is possible.
  • the outer tube 1 has a circumferential groove 39 on its inner circumference, which corresponds to the stepped region 14 in the preceding embodiments.
  • the stored spring force as shown in Figs. 11b and 11c, is shifted to the closing tongue rail, i.e. to the tongue rail 15 shown on the right in FIGS. 11a to 11d.
  • a changeover aid is again shown using the devices for locking end positions of movable switch parts, in which
  • a connection between the bolt-shaped elements 3 and the rail foot of the tongue rails 15 or 16 takes place via articulated pieces 40, which at 41 or 42 are articulated to the rail foot or the respective bolt-shaped displaceable element 3 connect.
  • the changeover movement takes place as in the embodiment shown in FIGS.
  • connection element 43 of the joint part 40 being additionally screwable into a recess 44 of the end of the bolt-shaped element 3 for an exact adaptation to the position of the respective tongue rail.
  • the stored spring force of the springs 33 is released to the closing tongue rail during the displacement.
  • the outer tube 1, the tubular movable part 2 and the bolt-shaped movable part 3 consist of turned parts and can thus be displaced coaxially with respect to one another and with respect to one another. Furthermore, the stationary outer tube can be easily sealed.
  • eight closures are used for a switch, in particular a high-speed switch with a large radius of curvature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Push-Button Switches (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP95890091A 1994-05-16 1995-05-09 Dispositif de verrouillage pour pièces d'aiguillage de chemin de fer Expired - Lifetime EP0684174B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530067T SI0684174T1 (en) 1994-05-16 1995-05-09 Locking device for moveable railway-switch parts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0100994A AT401763B (de) 1994-05-16 1994-05-16 Einrichtung zum verriegeln von beweglichen weichenteilen
AT1009/94 1994-05-16

Publications (2)

Publication Number Publication Date
EP0684174A1 true EP0684174A1 (fr) 1995-11-29
EP0684174B1 EP0684174B1 (fr) 1998-03-25

Family

ID=3504832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95890091A Expired - Lifetime EP0684174B1 (fr) 1994-05-16 1995-05-09 Dispositif de verrouillage pour pièces d'aiguillage de chemin de fer

Country Status (11)

Country Link
US (1) US5566912A (fr)
EP (1) EP0684174B1 (fr)
AT (1) AT401763B (fr)
AU (1) AU1795395A (fr)
CA (1) CA2149353C (fr)
DE (1) DE59501679D1 (fr)
DK (1) DK0684174T3 (fr)
ES (1) ES2115340T3 (fr)
FI (1) FI108531B (fr)
HU (1) HU215721B (fr)
SI (1) SI0684174T1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19705294A1 (de) * 1997-02-12 1998-08-13 Butzbacher Weichenbau Gmbh Einrichtung zum Verstellen sowie Verriegeln in Endlagen von zueinander beweglichen Elementen
WO1998054041A1 (fr) * 1997-05-27 1998-12-03 Vae Aktiengesellschaft Dispositif pour le verrouillage en positions extremes de pieces d'aiguille mobiles
EP0896915A1 (fr) * 1997-08-13 1999-02-17 BWG Butzbacher Weichenbau Gesellschaft mbH & Co. KG Appareillage de positionnement
WO2003011672A1 (fr) * 2001-08-02 2003-02-13 Vae Eisenbahnsysteme Gmbh Equipement de verrouillage d'aiguilles mobiles dans leurs positions terminales
NL2007406A (nl) * 2010-09-14 2012-03-15 Contec Transp Systems Gmbh Betonnen dwarsligger.
WO2011127874A3 (fr) * 2010-04-14 2012-05-18 DT- VÝHYBKÁRNA A STROJĺRNA, A.S. Élément d'actionnement d'un dispositif de verrouillage hydraulique équipé d'un mécanisme de verrouillage et de retenue
CN106468039A (zh) * 2015-08-14 2017-03-01 中国铁建重工集团有限公司 一种消除尖轨不足位移的方法
WO2018184603A1 (fr) * 2017-04-06 2018-10-11 DT - Výhybkárna a strojírna, a.s. Verrouillage de points

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741365B1 (fr) * 1995-11-22 1997-12-26 Gec Alsthom Transport Sa Dispositif de verrouillage d'une lame d'aiguille d'un aiguillage, dispositif de manoeuvre et de verrouillage d'une lame d'aiguille, procede de mise en place d'un tel dispositif
US6414391B1 (en) * 1998-06-30 2002-07-02 Micron Technology, Inc. Module assembly for stacked BGA packages with a common bus bar in the assembly
AT411047B (de) * 2001-01-11 2003-09-25 Vae Eisenbahnsysteme Gmbh Einrichtung zum verriegeln der endlagen von beweglichen weichenteilen
DE10212981A1 (de) * 2002-03-19 2003-10-09 Siemens Ag Weichenstellsystem
DE10212980A1 (de) * 2002-03-19 2003-10-09 Siemens Ag Weichenstellsystem
AT500296B1 (de) * 2003-10-31 2006-12-15 Vae Gmbh Einrichtung zum verriegeln von endlagen von beweglichen weichenteilen, insbesondere weichenverschluss
GB2483691B (en) * 2010-09-16 2015-07-01 Spx Internat Ltd Mechanical lock for Railway points
US8684318B2 (en) * 2010-09-16 2014-04-01 Spx International Limited Mechanical lock
US9238474B1 (en) 2013-06-20 2016-01-19 Norfolk Southern Corporation Run-through switch rods

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GB154416A (en) * 1919-10-28 1920-12-02 Nils Aall Krag Improvements in retaining means for points for tramways and the like
DE1755894A1 (de) * 1968-07-05 1972-05-25 Daum Friedrich Wilhelm Kg An den Schienenfuss anklemmbare Weichenverschlussvorrichtung
EP0289978A1 (fr) * 1987-05-05 1988-11-09 Gec Alsthom Sa Dispositif de manoeuvre d'un aiguillage
EP0603156A1 (fr) * 1992-12-17 1994-06-22 VAE Aktiengesellschaft Dispositif de verrouillage pour pièces d'aiguillage de chemin de fer

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US1270824A (en) * 1916-12-14 1918-07-02 William T Holdeman Adjustable connection for switches.
AT243311B (de) * 1963-06-25 1965-11-10 Oesterr Alpine Montan Weichenbetätigungsvorrichtung
DE2450802A1 (de) * 1974-10-25 1976-04-29 Ruhrtaler Gesenkschmiede F W W Klammerspitzenverschluss
JPH0247414U (fr) * 1988-09-29 1990-03-30
IT1242226B (it) * 1990-10-10 1994-03-03 Sasib Spa Dispositivo di manovra per deviatoi ferroviari, in particolare per linee ad alta velocita'
US5239933A (en) * 1992-03-05 1993-08-31 Zeftek, Inc. Auto rack panel gap sealer and bumper
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB154416A (en) * 1919-10-28 1920-12-02 Nils Aall Krag Improvements in retaining means for points for tramways and the like
DE1755894A1 (de) * 1968-07-05 1972-05-25 Daum Friedrich Wilhelm Kg An den Schienenfuss anklemmbare Weichenverschlussvorrichtung
EP0289978A1 (fr) * 1987-05-05 1988-11-09 Gec Alsthom Sa Dispositif de manoeuvre d'un aiguillage
EP0603156A1 (fr) * 1992-12-17 1994-06-22 VAE Aktiengesellschaft Dispositif de verrouillage pour pièces d'aiguillage de chemin de fer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19705294A1 (de) * 1997-02-12 1998-08-13 Butzbacher Weichenbau Gmbh Einrichtung zum Verstellen sowie Verriegeln in Endlagen von zueinander beweglichen Elementen
WO1998054041A1 (fr) * 1997-05-27 1998-12-03 Vae Aktiengesellschaft Dispositif pour le verrouillage en positions extremes de pieces d'aiguille mobiles
EP0896915A1 (fr) * 1997-08-13 1999-02-17 BWG Butzbacher Weichenbau Gesellschaft mbH & Co. KG Appareillage de positionnement
WO2003011672A1 (fr) * 2001-08-02 2003-02-13 Vae Eisenbahnsysteme Gmbh Equipement de verrouillage d'aiguilles mobiles dans leurs positions terminales
AU2002325608B2 (en) * 2001-08-02 2008-01-10 Vae Eisenbahnsysteme Gmbh Device for locking the final positions of moving switch points
US7674065B2 (en) 2001-08-02 2010-03-09 Vae Eisenbahnsysteme Gmbh Device for locking the final positions of moving switch points
WO2011127874A3 (fr) * 2010-04-14 2012-05-18 DT- VÝHYBKÁRNA A STROJĺRNA, A.S. Élément d'actionnement d'un dispositif de verrouillage hydraulique équipé d'un mécanisme de verrouillage et de retenue
NL2007406A (nl) * 2010-09-14 2012-03-15 Contec Transp Systems Gmbh Betonnen dwarsligger.
CN106468039A (zh) * 2015-08-14 2017-03-01 中国铁建重工集团有限公司 一种消除尖轨不足位移的方法
CN106468039B (zh) * 2015-08-14 2018-06-22 中国铁建重工集团有限公司 一种消除尖轨不足位移的方法
WO2018184603A1 (fr) * 2017-04-06 2018-10-11 DT - Výhybkárna a strojírna, a.s. Verrouillage de points
EP3607144A4 (fr) * 2017-04-06 2020-12-30 DT- Vyhybkárna A Strojirna, A.S. Verrouillage de points

Also Published As

Publication number Publication date
CA2149353A1 (fr) 1995-11-17
HUT73254A (en) 1996-07-29
DE59501679D1 (de) 1998-04-30
ES2115340T3 (es) 1998-06-16
EP0684174B1 (fr) 1998-03-25
AT401763B (de) 1996-11-25
FI108531B (fi) 2002-02-15
FI952358A (fi) 1995-11-17
HU9501431D0 (en) 1995-06-28
FI952358A0 (fi) 1995-05-15
AU1795395A (en) 1995-11-23
CA2149353C (fr) 1999-04-06
US5566912A (en) 1996-10-22
DK0684174T3 (da) 1998-12-28
HU215721B (hu) 1999-02-01
ATA100994A (de) 1996-04-15
SI0684174T1 (en) 1999-12-31

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