EP0726342A1 - Métier à tisser à griffes avec des moyens de guidage - Google Patents

Métier à tisser à griffes avec des moyens de guidage Download PDF

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Publication number
EP0726342A1
EP0726342A1 EP96101624A EP96101624A EP0726342A1 EP 0726342 A1 EP0726342 A1 EP 0726342A1 EP 96101624 A EP96101624 A EP 96101624A EP 96101624 A EP96101624 A EP 96101624A EP 0726342 A1 EP0726342 A1 EP 0726342A1
Authority
EP
European Patent Office
Prior art keywords
guide
rapier
guide element
shed
belt
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
EP96101624A
Other languages
German (de)
English (en)
Other versions
EP0726342B1 (fr
Inventor
Denis Moeneclaye
Patrick Strubbe
Ivan Lazoore
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.)
Picanol NV
Original Assignee
Picanol NV
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 Picanol NV filed Critical Picanol NV
Priority to EP98114771A priority Critical patent/EP0898000B1/fr
Publication of EP0726342A1 publication Critical patent/EP0726342A1/fr
Application granted granted Critical
Publication of EP0726342B1 publication Critical patent/EP0726342B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/20—Constructional features of the thread-engaging device on the inserters
    • D03D47/23—Thread grippers
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/271—Rapiers
    • D03D47/272—Rapier bands

Definitions

  • This invention relates to a rapier weaving machine with guide means for guiding a rapier belt and / or a guide part of a rapier, which guide means are fastened to a comb drawer and which can be inserted into the shed between warp threads in order to provide a guide for the shed extending in the longitudinal direction of the shed To form gripper belt and / or the guide part of the gripper.
  • Such guide means are known from EP -A 576.854.
  • a guide part is provided in the area of the gripper, which forms a widening of the gripper belt and which cooperates with guide means fastened to the comb drawer, which form a form-fitting guide for the guide part for the gripper.
  • These guide means consist of a hook with an upper link and a lower link, the upper link cooperating with the upper side of the guide part and with the gripper belt and with the lower link supporting the guide part and the gripper belt. The sides of the guide part are also guided by the guide means.
  • the guide means according to EP -A 576.854 have the disadvantage that in warp threads in which threads of different thickness have been formed to form a thicker thread, there is a risk that the guide means can get between the individual threads of the warp threads, which mostly leads to damage and / or a break in this warp thread. Because the gripper belt and / or that The guide part for the gripper touching the lower link and in this way the lower link is exposed to wear, the fact that such a lower link gets between the individual threads of the warp thread usually leads to damage and / or breakage of this warp thread.
  • the purpose of the present invention is a weaving machine with guide means which do not have the aforementioned disadvantages and which considerably reduce the risk of warp thread breaks.
  • the guide means according to the invention have a guide element which supports the rapier belt and / or the guide part of the rapier and which has an upper part which enters the shed between the warp threads.
  • the current invention offers the advantage that the upper part of the guide element, the gripper belt and / or the guide part supports and guides, when penetrating into the shed, almost immediately moves the warp threads over a certain length and passes between warp threads, which considerably reduces the risk of breakage and / or damage to warp threads.
  • the guide means have a first guide element which supports the gripper belt and / or the guide part for the gripper, and a second guide element which cooperates with the top of the gripper belt and / or the guide part for the gripper and which has an upper part which, when it enters the shed through the warp threads, runs almost parallel to these warp threads over a certain length.
  • the first guide element and the second guide element can also be arranged at a certain distance from one another in the longitudinal direction of the shed.
  • the guide part is preferably not guided on the front end of the upper part of the first guide element, as a result of which this front end does not wear out and the risk of breakage and / or damage to warp threads is also reduced.
  • the upper part of the first guide elements which, when it enters the shed through the warp threads, runs almost parallel to the warp threads over a certain length, and the hook band forms an angle.
  • the rapier weaving machine presented in FIGS. 1 to 3 has two rapier belts 1, on each of which a donor rapier 2 or a slave gripper 3 has been attached.
  • the gripper belt 1 driven by drive means 4 moves the gripper 2 with the weft thread to be inserted in the longitudinal direction A to the middle of the rapier weaving machine, where the slave gripper 3, which is also moved by a rapier belt 1 driven by drive means 4, takes over the weft thread and to the opposite one Side of the rapier weaving machine.
  • the drive means 4, which are arranged in the region of the side frames 5, have, for example, gearwheels 6 driven with drive elements, which work together with the gripper belts 1.
  • the permanent contact of the gripper belts 1 with the gears 6 is brought about by guide wedges 7.
  • the rapier weaving machine also has a comb drawer 8, on which a reed 9 is provided, which is supported in the side frames 5 and is driven by drive means 10.
  • the drive means 10 and the drive means 4 can be driven synchronously.
  • the gripper belts 1 are guided through fixed guides 11.
  • the rapier weaving machine also has schematically represented shed forming means 12 which are commanded by shed drive means, not shown, which can be driven synchronously with the comb drawer drive means. Furthermore, two warp thread surfaces 13 and 14 are shown, between which a shed 15 is formed in order to allow a weft thread to be inserted. These warp thread surfaces 13 and 14 are formed with the aid of the shedding means 12.
  • the comb drawer 8 has a drawer axis 16 to which a drawer profile 17 has been fastened with screws.
  • the reed 9 is fastened with fasteners 18.
  • an intermediate profile 21 is fastened to the shop profile 17 with screws, to which the guide means 23 according to the invention have been fastened. This attachment is carried out with the aid of screws 22 which extend through slots provided in the intermediate profile 21 and which cooperate with a thread provided in the guide means 23.
  • the guide means 23 serve to guide the gripper belt 1 and / or a guide part 24 for the gripper.
  • the guide part 24 forms a widening of the gripper belt 1 and is provided in the area of both the master gripper 2 and the slave gripper 3.
  • These guide means 23 can move in and out of the shed 15 with the aid of the movement of the comb drawer 8.
  • the guide means 23 are, as has been shown with a broken line in FIG. 2, in a position in which a registered weft thread is struck against the stop line 19 of the fabric 20.
  • the guide means 23 When the guide means 23 have been inserted into the shed 15 through the warp thread surface 14, they form a guide for the hook belt 1 and / or the guide part 24, which extends in the longitudinal direction A of the shed 15.
  • the guide means 23 according to the invention, as has been shown in more detail in FIGS. 4 to 7, have a first guide element 25 which supports the gripper belt and / or the guide part 24 and a second guide element 26 which is in contact with the top of the gripper belt 1 and / or cooperates with the guide part 24 for the gripper 2.
  • the upper part 27 of the first guide element 25 supports the guide part 24.
  • This upper part 27 has - as was illustrated in FIG. 7 - a rounded or conical shape.
  • a guide part 28 is also provided in the area of the upper part 27, which is located parallel to the gripper belt 1 and allows the gripper belt 1 to be guided between this guide part 28 and the guide surface 29 of the second guide element 26.
  • the guide part 28 can - as shown - be flat or have a rounded or a cylindrical shape.
  • the guide surface 33 of the guide part 24 forms an angle D with the gripper belt 1 and is guided by and supports over part of the length of the above-mentioned upper part 27 of the first guide element 25. In the illustrated embodiment, the guide part 24 is not on the front end 34 of the upper part 27 of the first guide part 25 out.
  • the second guide element 26 has an upper part 30 which, like the upper part 27, has a rounded or conical shape.
  • the guide part 24 is also guided laterally between a guide surface 31 of the guide element 26 and a guide surface 32 of the guide element 25. Furthermore, the second guide element 26 has a surface 35 and the first guide element 25 has a surface 36, which are located in the region of the guide part 24 at a certain distance from the lower surface 37 of the guide part 24 and can act as an emergency guide surface.
  • the first guide element 25 also has a bevel 38.
  • FIG 8 shows a position in which the upper part 30 of the second guide element 26 just touches the warp thread surface 14 and will pass through the warp thread surface 14 in order to enter the shed 15.
  • the upper part 30 is arranged in such a way that this upper part 30 runs almost parallel to the warp thread surface 14 over a certain length.
  • FIG. 9 shows a position in which the upper part 27 of the first guide element 25 just touches the warp thread surface 14 and will pass through the warp thread surface 14 in order to enter the shed 15.
  • the upper part 27 is arranged in such a way that this upper part 27 runs almost parallel to the warp thread surface 14 over a certain length.
  • the arrangement of the upper parts 27 and 30 allows the guide elements 25 and 26 to pass conveniently through the warp thread surface 14. In warp threads in which different thin threads have been formed into a thicker thread, it is also avoided that the guide elements 25 and 26 thereby between the individual threads can guess that the warp threads land on one side of the guide elements 25 and 26 or remain there occasionally.
  • the length over which the upper part 27 runs almost parallel to the warp thread surface 14 is preferably relatively large and longer than the length over which the upper part 30 runs parallel, because there is a risk of breakage and / or damage to the warp threads caused by the upper part 27 arise, is greater than that caused by the upper part 30.
  • This danger is greater because, on the one hand, the upper part 27 is closer to the reed 9 than the upper part 30 and in this way this upper part 27 can penetrate less easily between the warp thread surface 14, and on the other hand because the upper part 27 with the looper band 1 and / or cooperates with the guide part 24 and is subject to wear in such a manner.
  • rapier weaving machines it is known to guide a rapier belt 1 with an almost rectangular cross section through the shed 15 as centrally and / or as horizontally as possible.
  • the guide part 24 has a projection under the gripper belt 1, which is provided with a guide surface 33 which forms an angle to the gripper belt 1 and runs parallel to the upper part 27 of the guide element 25.
  • the angle D is such that the distance between the gripper belt 1 and the upper part 27 of the first guide element 25 increases in the direction of the front end 34 of the guide element 25.
  • the upper part 30 of the guide element 26 has an angle E with the gripper belt 1 which is a few degrees larger than the angle D which the upper part 27 forms with the gripper belt. It is clear that these angles D and E depend on the mutual position of the shed 15, the comb drawer 8 and the guide means 23.
  • the 10 shows a variant in which no flat guide part 28 is provided in the region of the guide element 25, that is to say that the upper part 27 has a rounded or conical shape over its full length.
  • the gripper belt 1 is chamfered, and the guide part 24 is provided with a recess. This allows the gripper belt 1 and the guide part 24 to pass through the guide means 23.
  • the gripper belt 1 is guided through the upper part 27 in the region of its bevel 39 and the distance between the upper part 27 and the guide surface 29 can be chosen smaller than the thickness of the gripper belt 1.
  • the surface 35 is also arranged in such a way that it enters the shed 15 parallel to the warp thread surface 14. However, the latter is superfluous if the surface 35 is completely shielded from the upper part 30.
  • the bevel 39 can extend over the entire width of the gripper belt and cooperate with the upper part 27 of the guide means 23.
  • the guide means 23 consist of guide elements 25 and 26, which are provided in the longitudinal direction of the shed 15 at the same distance, that is, are located in a vertical surface.
  • the upper part 27 can easily enter the shed 15 in the region of the opening formed by the guide element 26 between the warp threads 14.
  • the upper part 30 - as has been shown in a plan view in FIG. 12 - is preferably almost in line with the upper part 27.
  • the upper part 27 only needs to be almost parallel to the warp threads 14 in to enter the shed 15.
  • the distance X has a value in the order of magnitude of the thickness of the gripper belt, for example a few millimeters. Since the distance X is relatively large, the risk that a warp thread gets between the guide elements 25 and 26 is relatively low.
  • FIG. 13 shows a variant of FIG. 11, in which an undercut 40 is provided in the guide elements 23.
  • an undercut 40 is provided in the guide elements 23.
  • it can be located in the region of the undercut 40 and thus in a position in which the guide part 24 cannot touch this warp thread and cannot break and / or damage it.
  • the gripper belt 1 has a recess 47 which has been designed in accordance with the recess provided in the guide part 24 shown in FIG. 10.
  • the guide means 23 show a variant in which the individual guide means 23 can be arranged relative to one another in such a way that the first guide element 25 of the first guide means 23 is arranged just below a second guide element 26 of the following guide means 23.
  • the guide means 23 have, for example, a shape as has been shown in FIGS. 14 and 15, the guide elements 25 and 26 being arranged spatially separate from one another. This allows, with a single set of guide means 23, the advantages of both guide means 23 shown in FIG. 4 - the first and second guide elements 25 and 26 being arranged at a certain distance from one another in the longitudinal direction A - and of those shown in FIG. 11 Guide means 23 - the first and second guide elements 25 and 26 being provided at the same distance in the longitudinal direction A -.
  • the upper part 27 has a rounded or conical shape. From the middle of this upper part 27, the guide element 25 is chamfered towards the upper side, so that the rounded or conical upper part 27 narrows to a narrow, cylindrical guide part 28.
  • This embodiment offers the Advantage that the risk that a warp thread remains on the guide part 28 is relatively low, whereby the risk that such a warp thread can be damaged and / or broken by the looper belt 1 and / or the guide part 24 is relatively low.
  • the upper part 30 can be designed analogously to the upper part 27 shown in FIGS. 16 and 17.
  • the aforementioned illustrated embodiments can be used favorably for fabrics in which all the warp threads of the warp thread surface 14 are moved toward the warp thread surface 15 with each weft thread insertion and vice versa. These are so-called one-one bonds.
  • bindings are formed in which warp threads 14, through which the guide means 23 enter the shed 15, remain during successive weft entries, it may be more advantageous to use the embodiments shown in FIGS. 18 to 23.
  • the guide element 25 has two upper parts 41 and 42, these upper parts 41 and 42 being arranged at an angle to one another.
  • the guide element 26 also has two upper parts 43 and 44, which are also arranged at an angle to one another.
  • the guide element 25 enters the shed through the warp thread surface 14 and the upper part 41 is almost parallel to this warp thread surface 14 over a certain length. Then, as shown in FIG. 21, the guide element 26 through the warp thread surface 46 into the shed 15, the upper part 44 running almost parallel to this warp thread surface 46 over a certain length. Then, as shown in FIG. 23, the guide element 25 also enters the shed 15 through the warp thread surface 46, the upper part 42 running almost parallel to this warp thread surface 46 over a certain length.
  • the guide part 24 is preferably supported by the upper part 42.
  • the guide part 24 can have a shape that allows this guide part 24 to be supported by both upper parts 41 and 42.
  • FIG. 23 shows a variant of the embodiment shown in FIG. 18, wherein the guide element 26 has an upper part 30 with a direction that is an average value of the direction of the upper parts 43 and 44 of FIG. 18.
  • the direction of the upper part 30 was chosen so that this Upper part 30, when it enters the shed 15 through the warp thread surfaces 14 and 46, runs for a certain length almost parallel to these warp thread surfaces 14 and 46. This means that the angle between the upper part 30 and the two warp thread surfaces 14 and 46 is small. This embodiment is preferred if the angle between the two warp thread surfaces 14 and 46 is small and the length of the upper part 30 is relatively short.
  • the guide element 25 has an upper part 41, which, when it passes through the warp thread surface 14, runs almost parallel to this warp thread surface 14, and an upper part 42, which, when it passes through the warp thread surface 46, runs almost parallel to this warp thread surface 46 runs.
  • the guide element 25 is provided with an upper edge 27 which, when penetrating between the warp threads of the warp thread surfaces 14 and 46, runs approximately parallel to both of these warp thread surfaces 14 and 46 over a safe length.
  • the angle of this upper part 27 with respect to the gripper belt 1 can correspond, for example, to the average angle of the upper parts 41 and 42 shown in FIG. 23.
  • this angle of this upper part with respect to the looper belt 1 can also be chosen in such a way that the upper part parallel to the warp thread surface 14 or 46, which each has the most warp threads, and runs almost parallel to the other warp thread surfaces.
  • rapier weaving machine according to the invention is of course not limited to the embodiments described as an example and can be realized in various other shapes and dimensions in the course of the invention.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP96101624A 1995-02-07 1996-02-06 Métier à tisser à griffes avec des moyens de guidage Expired - Lifetime EP0726342B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98114771A EP0898000B1 (fr) 1995-02-07 1996-02-06 Métier à tisser à griffes avec des moyens de guidage pour guider un ruban à griffes et/ou une griffe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9500094 1995-02-07
BE9500094A BE1009098A3 (nl) 1995-02-07 1995-02-07 Grijperweefmachine met geleidingsmiddelen.

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP98114771A Division EP0898000B1 (fr) 1995-02-07 1996-02-06 Métier à tisser à griffes avec des moyens de guidage pour guider un ruban à griffes et/ou une griffe

Publications (2)

Publication Number Publication Date
EP0726342A1 true EP0726342A1 (fr) 1996-08-14
EP0726342B1 EP0726342B1 (fr) 1999-11-03

Family

ID=3888764

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96101624A Expired - Lifetime EP0726342B1 (fr) 1995-02-07 1996-02-06 Métier à tisser à griffes avec des moyens de guidage
EP98114771A Expired - Lifetime EP0898000B1 (fr) 1995-02-07 1996-02-06 Métier à tisser à griffes avec des moyens de guidage pour guider un ruban à griffes et/ou une griffe

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98114771A Expired - Lifetime EP0898000B1 (fr) 1995-02-07 1996-02-06 Métier à tisser à griffes avec des moyens de guidage pour guider un ruban à griffes et/ou une griffe

Country Status (3)

Country Link
EP (2) EP0726342B1 (fr)
BE (1) BE1009098A3 (fr)
DE (2) DE59603521D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040547A1 (fr) * 1997-03-11 1998-09-17 Picanol N.V. Machine a tisser a rapieres, dotee d'elements de guidage pour une bande preneuse
WO2000023643A1 (fr) * 1998-10-16 2000-04-27 Picanol N.V. Element de guidage pour guider une bande a lance a l'interieur d'une foule de tissage d'une machine a tisser a lances
WO2006037619A1 (fr) 2004-10-05 2006-04-13 Picanol N.V. Element de guidage destine a un element de transport a prehenseur d'une machine a filer
BE1017654A5 (nl) * 2007-06-21 2009-03-03 Picanol Nv Draagelement voor een grijper van een grijperweefmachine.
CN101035941B (zh) * 2004-10-05 2011-10-05 必佳乐有限公司 用于织机夹纱器输送件的导向元件
CN101035942B (zh) * 2004-10-05 2012-03-21 必佳乐有限公司 用于织机的夹纱器输送件
CN107700039A (zh) * 2017-10-19 2018-02-16 广东康特斯织造装备有限公司 采用窄剑带引纬的毛巾机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346225A1 (de) * 2003-09-23 2005-05-19 Picanol N.V. Führungselement für ein Greiferband

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053217A1 (fr) * 1980-12-02 1982-06-09 GebràœDer Sulzer Aktiengesellschaft Lamelle de guidage pour la formation du canal de guidage dans un métier à tisser
EP0199880A1 (fr) * 1985-05-03 1986-11-05 GebràœDer Sulzer Aktiengesellschaft Dispositif d'insertion de trame pour métier à tisser, plus particulièrement un métier à tisser à navette à griffe
EP0576854A1 (fr) * 1992-07-03 1994-01-05 Picanol N.V. Métier à tisser à griffes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL128152C (fr) * 1900-01-01
EP0165327B1 (fr) * 1984-06-19 1988-08-17 GebràœDer Sulzer Aktiengesellschaft Dispositif de guidage pour l'inséreur de trame d'un métier à tisser, plus particulièrement d'un métier à tisser à navette à pince

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053217A1 (fr) * 1980-12-02 1982-06-09 GebràœDer Sulzer Aktiengesellschaft Lamelle de guidage pour la formation du canal de guidage dans un métier à tisser
EP0199880A1 (fr) * 1985-05-03 1986-11-05 GebràœDer Sulzer Aktiengesellschaft Dispositif d'insertion de trame pour métier à tisser, plus particulièrement un métier à tisser à navette à griffe
EP0576854A1 (fr) * 1992-07-03 1994-01-05 Picanol N.V. Métier à tisser à griffes

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040547A1 (fr) * 1997-03-11 1998-09-17 Picanol N.V. Machine a tisser a rapieres, dotee d'elements de guidage pour une bande preneuse
BE1011037A3 (nl) * 1997-03-11 1999-04-06 Picanol Nv Grijperweefmachine met geleidingsmiddelen.
WO2000023643A1 (fr) * 1998-10-16 2000-04-27 Picanol N.V. Element de guidage pour guider une bande a lance a l'interieur d'une foule de tissage d'une machine a tisser a lances
BE1012233A3 (nl) * 1998-10-16 2000-07-04 Picanol Nv Grijperweefmachine met geleidingmiddelen voor een grijperband.
WO2006037619A1 (fr) 2004-10-05 2006-04-13 Picanol N.V. Element de guidage destine a un element de transport a prehenseur d'une machine a filer
CN101035941B (zh) * 2004-10-05 2011-10-05 必佳乐有限公司 用于织机夹纱器输送件的导向元件
EP2372001A1 (fr) * 2004-10-05 2011-10-05 Picanol Elément de guidage pour un élément de transport de poignée d'une machine à tisser
CN101035940B (zh) * 2004-10-05 2012-01-04 必佳乐有限公司 用于织机夹纱器输送件的导向元件
CN101035942B (zh) * 2004-10-05 2012-03-21 必佳乐有限公司 用于织机的夹纱器输送件
DE102004049256B4 (de) * 2004-10-05 2014-01-02 Picanol Führungselemente für ein Greifertransportelement einer Webmaschine
BE1017654A5 (nl) * 2007-06-21 2009-03-03 Picanol Nv Draagelement voor een grijper van een grijperweefmachine.
CN107700039A (zh) * 2017-10-19 2018-02-16 广东康特斯织造装备有限公司 采用窄剑带引纬的毛巾机

Also Published As

Publication number Publication date
DE59608619D1 (de) 2002-02-28
EP0898000A3 (fr) 2000-02-23
EP0898000B1 (fr) 2002-01-09
BE1009098A3 (nl) 1996-11-05
EP0898000A2 (fr) 1999-02-24
EP0726342B1 (fr) 1999-11-03
DE59603521D1 (de) 1999-12-09

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