EP0861930B2 - Auflösewalze für eine Offenend-Spinnmaschine - Google Patents

Auflösewalze für eine Offenend-Spinnmaschine Download PDF

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Publication number
EP0861930B2
EP0861930B2 EP98101428A EP98101428A EP0861930B2 EP 0861930 B2 EP0861930 B2 EP 0861930B2 EP 98101428 A EP98101428 A EP 98101428A EP 98101428 A EP98101428 A EP 98101428A EP 0861930 B2 EP0861930 B2 EP 0861930B2
Authority
EP
European Patent Office
Prior art keywords
clothing
opening roller
wire
roller according
clothing wire
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.)
Expired - Lifetime
Application number
EP98101428A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0861930A3 (de
EP0861930B1 (de
EP0861930A2 (de
Inventor
Eberhard Hofmann
Klaus Schoberth
Christian Göbel
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.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Rieter Ingolstadt Spinnereimaschinenbau AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7821858&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0861930(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rieter Ingolstadt Spinnereimaschinenbau AG filed Critical Rieter Ingolstadt Spinnereimaschinenbau AG
Priority to EP02012599A priority Critical patent/EP1249525B1/de
Publication of EP0861930A2 publication Critical patent/EP0861930A2/de
Publication of EP0861930A3 publication Critical patent/EP0861930A3/de
Application granted granted Critical
Publication of EP0861930B1 publication Critical patent/EP0861930B1/de
Publication of EP0861930B2 publication Critical patent/EP0861930B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers

Definitions

  • the present invention relates to an opening roller for an open-end spinning machine according to the preamble of claim 1.
  • the most diverse opening rollers for open-end spinning machines are known.
  • an opening roller is known in which a helically preformed clothing wire is applied to the lateral surface of the opening roller and clamped there. This should make it possible to use a harder Gamiturdraht.
  • the clothing carrier is made of die-cast or, for example, from an extruded profile.
  • the clothing carrier carries on its outer circumference a set for dissolving slivers in individual fibers.
  • This clothing is formed by a wire applied in helical turns clothing wire.
  • the clothing wire is deformed and wound under tension on the clothing carrier.
  • ribs are mounted on the clothing carrier, which are supported radially on a hub.
  • FR-A 21 28 779 it is known to cure a clothing wire by a diffusion process, wherein the clothing wire is wound on a carrier in turns and cured in a salt bath. From the abstract of Japan JP-A 03019922 a clothing wire is known whose teeth are coated with a nickel-phosphorus alloy.
  • the clothing carrier is annular, and forms, together with a base body which is fixed on the axis of the opening roller bearing, and with a lid, the opening roller.
  • the clothing is also designed in the form of a spirally wound clothing wire.
  • the clothing carrier of the prior art consist essentially of alloys of light metals, which are easy to prepare and work.
  • annular clothing carrier made of thin-walled steel rings known.
  • the clothing wire consists in a known manner of a hardened steel wire, so that it usually meets the wear requirements, for example in the processing of cotton. If a higher wear resistance is required, it is known to coat the entire opening roller or the Gamiturlini together with clothing with a wear protection layer. For example, this is done by placing the opening roller in a coating bath in which then hard material grains, e.g. Diamond grains, deposit on the opening roller and thereby significantly increase their wear resistance.
  • hard material grains e.g. Diamond grains
  • opening rollers made of die-cast have the disadvantage that their surface is porous and remain during coating in coating baths residues of the coating bath in the pores, whereby contamination of the coating bath by the previous bath takes place.
  • Another disadvantage is that in addition to the clothing other parts of the opening roller are coated, although this is not necessary or even undesirable. This disadvantage also results in a higher consumption of coating material, which unnecessarily increases the costs.
  • a method for coating a clothing wire is known.
  • a certain length of the clothing wire is wound around a carrier, wherein adjacent turns of the wire face each other and surfaces of the wire are coated with a coating material.
  • Object of the present invention is therefore to form an opening roller such that the disadvantages of the prior art are avoided and a simple cost-effective design of the opening roller is achieved, at the same time a high wear resistance of the opening roller is achieved without providing the entire opening roller with a wear protection , Another object is to provide a method for producing a Gamiturdrahtes for such an opening roller.
  • the opening roller is according to the invention garnished with a clothing wire, which has been coated before garnishing, it is achieved that the opening roller itself no longer needs to be coated.
  • This has the advantage that only the clothing wire itself is exposed to the coating process and the associated stresses, such as temperature influences.
  • the clothing wire is already preformed before coating, so that no tensions, which are caused by the deformation of the wire, are applied to the opening roller by garnishing the clothing carrier or the opening roller.
  • the inventively designed opening roller also has the advantage that for garnishing the opening roller of the clothing wire practically no longer needs to be deformed, so that it also made of a very hard and may consist brittle steel and also a brittle coating can be used, or no consideration must be taken to the coating thickness. If an inventive already pre-coated, ie provided with a wear protection layer clothing wire for the opening roller, no consideration needs to be taken to see whether the other parts of the opening roller with the coating method or the coating media incompatibilities.
  • the components of the opening roller which are often produced from die-cast aluminum, are known to have fine pores which, for example, can lead to contamination in chemical coating baths. With an inventively designed opening roller, these problems do not occur, so that in the inventively designed opening roller also the known die-castings can be used again.
  • the clothing wire By preforming the clothing wire according to the invention, it can advantageously be fully through-hardened, i. not only the teeth, as usual with the previous clothing wires, but also the tooth root.
  • garnishing the opening roller or the clothing carrier this namely no longer be deformed, so that a clothing wire with high hardness and brittleness can be used.
  • the deformation of the clothing wire takes place in such a way that the clothing wire is bent in the plane in which the clothing teeth lie.
  • the clothing wire is preformed so that it already has an inner diameter which is equal to or greater than the diameter of its cylindrical receptacle on the clothing carrier. This ensures that the clothing wire can be easily mounted on the clothing carrier.
  • the individual turns of the clothing wire have the same diameter.
  • the deformation of the Gamiturdrahtes is performed to a degree by which the inner diameter of a spiral turn of the clothing wire is smaller than the diameter of the cylindrical receptacle on the clothing carrier. It is thereby achieved that the garnishing of the opening roller is particularly simple, since, in particular, when a groove for inserting the clothing wire is used on the clothing carrier, it can be easily inserted. Due to the smaller diameter of the clothing wire endeavored without external pressure hineinzlegen into the groove of the clothing wearer.
  • a particularly favorable value of the stated ratio is between 1.2 and 0.8, whereby a value between 1.1 and 0.9 has been found to be ideal.
  • the Gamiturdraht is not only coated before it is mounted on the clothing carrier, but also heat treated. This allows the coating to be completed, so that when the clothing wire has been mounted on the opening roller, it requires no further processing steps. It is advantageous if the clothing wire is guided axially when being mounted on the opening roller, because this can be dispensed with grooves for receiving the set. It is particularly advantageous if the clothing wire has a foot which has an axial extent which is greater than the axial extent of the teeth, so that when laying the clothing wire foot to foot without the use of grooves a perfect fit of the set achieved can be.
  • the opening roller with a groove for receiving the clothing wire Due to the advantageous embodiment of the opening roller with a groove for receiving the clothing wire is achieved that a simple clothing wire can be used and still the axial distance of the individual turns of the clothing wire is uniform.
  • the axial width of this groove has a value which is greater than the axial extent of the clothing wire, but at the same time smaller than the axial extent of the clothing wire plus 0.2 mm. This will create enough space to ensure that the coating on the Gamiturdraht when inserting the wire into the groove does not flake off.
  • the clothing carrier is annular and has a wall thickness between 1 mm and 5 mm.
  • a clothing wire is chemically coated with nickel, hard-material grains being embedded in the nickel layer.
  • the opening roller designed in this way also has good properties when dissolving the fibers.
  • the inventive method for producing a clothing wire is achieved that after coating no such deformation of the clothing wire must be made more to its assembly, which damages the coating. Namely, wear-resistant coatings would flake off or be damaged if wire was formed into a spiral shape only after coating the clothing. Due to the axially spaced turns of the clothing wire during coating it is achieved that the coating is uniform. Since the clothing wire is present as a free spiral when coating, the clothing wire can be uniformly coated from all sides. Further advantageous embodiments of the invention are described in the remaining subclaims.
  • FIG. 1 shows a plan view, partly in section, of an opening roller according to the invention.
  • the opening roller 1 consists of a base body 11 which receives a clothing carrier 12.
  • the main body 11 is mounted by means of a press fit on a shaft 13, via which the opening roller 1 is mounted in the bearing 15.
  • the shaft 13 and thus also the opening roller 1 are driven by means of a belt, not shown, which cooperates with the whorl 14 of the shaft 13.
  • Base body 11 and clothing carrier 12 are connected to each other by means of screws 16.
  • the clothing carrier 12 has an opening 17 which is closed by a lid 18.
  • the clothing carrier 12 circumferentially carries the clothing 2, which is provided with teeth 23. These solve in open-end spinning devices in a known manner a presented sliver to individual fibers.
  • a groove 21 which is formed in the cylindrical surface 22 of the clothing carrier 12. The groove 21 is guided spirally around the lateral surface 22 and extends from the region of the rim 121 of the clothing carrier 12 to the region of the rim 111 of the main body 11.
  • the clothing wire 3 is spirally preformed according to the invention and r coated and inserted in this preformed state in the groove 21 of the opening roller 1.
  • the clothing wire 3 has teeth 23, which are formed by the erfndungswashe embodiment of the opening roller particularly wear-resistant.
  • the bottom of the groove 21 forms the receptacle 210 for the clothing wire 3, on which rests this.
  • this is advantageous no longer jammed or caulked, as is known in the opening rollers of the prior art, but by the configuration of the diameter of the receptacle 210 in connection with the configuration of the inner diameter of the turns of the preformed clothing wire, It is achieved that the clothing wire safely remains after insertion into the groove 21, without further attachment measures must be made.
  • the inner diameter of the preformed clothing wire is smaller than that of its receptacle 210.
  • the axial extent of the groove, i. the width of the groove 21, in such a case designed (ratio of internal diameter prefabricated Gamiturdraht to take-up diameter) need not develop a clamping action.
  • the prefabricated clothing wire has a larger inner diameter than the diameter of the receptacle 210, it may be advantageous if the clothing wire including its coating is wider than the width of the groove 21.
  • a secure fastening of the clothing wire to the opening roller is achieved be made without caulking the ends of the clothing wire on the opening roller, as is the case in the prior art.
  • a secure hold of the clothing wire is achieved at the opening roller both by the particular configuration of the inner diameter of the Gamiturdrahtes and additionally the clothing wire including coating is wider than the width of the groove 21. It should be noted that during assembly of the clothing wire 3 on the opening roller of the clothing wire does not have to be widened so far that thereby the coating is damaged or destroyed by excessive deformation. Likewise, the width of the clothing wire in relation to the width of the groove 21 is to be selected so that despite desired clamping effect damage to the clothing wire or its coating is avoided when inserted into the groove 21.
  • Figure 2 shows a sectional view of an opening roller, which is designed solid and whose one side is closed with a cover 4.
  • the cover 4 contains, due to its larger diameter than the opening roller 1 itself, the board 41.
  • the other board 42 is designed in one piece with the opening roller 1.
  • the opening roller has a bore 43, with which it is fastened on a shaft in a manner similar to that of the opening roller of FIG.
  • the lid 4 is screwed by means of screws 16 to the opening roller 1.
  • the lateral surface 22 of the opening roller 1 simultaneously forms the receptacle 210 for the clothing wire 3. So this is not recorded as in Figure 1 in a groove, but it is directly on the lateral surface 22 of the opening roller 1 on.
  • the opening roller can be designed such that in the area between the shelves the clothing wire is moved with a smaller distance to its adjacent turn, as in the region of the shelves 41 and 42, where known in the supply of a Sliver less fibers are presented for combing the opening roller.
  • the garnish of the opening roller arranged in the axial direction at a smaller distance from the adjacent turn as shown in FIG. 2 is particularly advantageous and not bound to the fact that the lateral surface 22, without having a groove 21, forms the receptacle 210 for the clothing wire 3. It is only particularly simple executable, in an opening roller according to Figure 2.
  • the lid 4 can be removed from the opening roller 1, particularly advantageously the Gamiturdraht, without it must be unnecessarily expanded during assembly, are pushed onto the receptacle 210 of the opening roller 1.
  • This makes it possible to form the clothing wire with a particularly small inner diameter in relation to the diameter of the receptacle 210, without the coating is damaged during assembly.
  • a ratio of diameters e.g. with the value 1.1 to 0.9, a sure guarantee that the clothing wire on the opening roller has a firm hold and no longer shifts in their operation.
  • an opening roller is used, e.g. is rotated from the solid and has two solid shelves, is to be considered during assembly that the clothing wire must be lifted over the outer diameter of the board, and to a larger expansion is required. This must be consistent with the deformability of the coating.
  • the opening roller 1 has on its lateral surface 22 a slot 211 into which, as described, the beginning of the clothing wire 3 is lowered.
  • the beginning of the clothing wire can be deformed. Damage to the coating occurring in this case is not of such great importance, since in this area the clothing wire does not come into contact with the fibers.
  • a sealant or an adhesive are introduced. It is particularly favorable if the beginning of the clothing wire is lowered both into a groove of the opening roller and as close as possible to the board facing it, here in FIG. 2 the board 42 is laid.
  • FIG. 3 shows schematically a representation of a clothing wire 3 produced by the method according to the invention. Only 4 turns are shown by way of example, wherein an opening roller of the prior art contains approximately 8 to 13 turns, depending on the width of clothing and lateral surface of the opening roller.
  • the inner diameter D of the pre-wound clothing wire forms the measure that still required for the assembly elastic deformation of the clothing wire.
  • the preformed and coated clothing wire 3 according to the invention of FIG. 3 can be manufactured with a much higher number of turns during manufacture than is required for garnishing a single opening roller.
  • the number of turns is limited only by the handling of the prefabricated clothing wire.
  • FIG. 3 shows a clothing wire 3 which was preformed radially, ie helically, during preforming and was also stretched in the axial direction, so that the clothing wire is practically already adapted in the axial direction of the groove 21 of the opening roller (cf. FIG. 1).
  • this is not necessary in every case, since bending the clothing wire 3 in the axial direction when garnishing the opening roller means only a very small degree of deformation, which has virtually no influence on the coating.
  • the clothing wire can flow around on all sides.
  • preforming the clothing wire again insert a hardening process before or after coating. This is advantageously possible, as for the assembly of the clothing this must be deformed only very slightly, so that, for example, through-hardened clothing wires can be used for the opening roller according to the invention.
  • the inventive method is independent of the material of the clothing wire and allows the use of previously unusable materials for the opening roller itself.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP98101428A 1997-02-28 1998-01-28 Auflösewalze für eine Offenend-Spinnmaschine Expired - Lifetime EP0861930B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02012599A EP1249525B1 (de) 1997-02-28 1998-01-28 Garniturträger einer Auflösewalze für eine Offenend-Spinnmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19708190 1997-02-28
DE19708190A DE19708190A1 (de) 1997-02-28 1997-02-28 Auslösewalze für eine Offenend-Spinnmaschine

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP02012599A Division EP1249525B1 (de) 1997-02-28 1998-01-28 Garniturträger einer Auflösewalze für eine Offenend-Spinnmaschine
EP02012599.3 Division-Into 2002-06-06

Publications (4)

Publication Number Publication Date
EP0861930A2 EP0861930A2 (de) 1998-09-02
EP0861930A3 EP0861930A3 (de) 1999-04-14
EP0861930B1 EP0861930B1 (de) 2002-12-04
EP0861930B2 true EP0861930B2 (de) 2007-06-06

Family

ID=7821858

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02012599A Expired - Lifetime EP1249525B1 (de) 1997-02-28 1998-01-28 Garniturträger einer Auflösewalze für eine Offenend-Spinnmaschine
EP98101428A Expired - Lifetime EP0861930B2 (de) 1997-02-28 1998-01-28 Auflösewalze für eine Offenend-Spinnmaschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02012599A Expired - Lifetime EP1249525B1 (de) 1997-02-28 1998-01-28 Garniturträger einer Auflösewalze für eine Offenend-Spinnmaschine

Country Status (6)

Country Link
US (1) US6006511A (cs)
EP (2) EP1249525B1 (cs)
CZ (1) CZ293720B6 (cs)
DE (3) DE19708190A1 (cs)
SK (1) SK24698A3 (cs)
TW (1) TW430702B (cs)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953662B2 (de) † 1998-04-30 2005-05-25 Graf + Cie AG Verfahren zur Herstellung einer Einrichtung für das Behandeln von Textilfasern
DE19951775C1 (de) 1999-10-27 2001-01-11 Kempten Elektroschmelz Gmbh Verfahren zur Herstellung eines Garniturdrahts für das Open-End-Spinnen
DE10106673A1 (de) 2001-02-14 2002-08-29 Rieter Ingolstadt Spinnerei Verfahren zur Herstellung einer Auflösewalze einer Offenend-Spinnvorrichtung sowie eine mit Hilfe eines solchen Verfahrens hergestellte Auflösewalze
DE10132867A1 (de) * 2001-07-06 2003-01-23 Rieter Ingolstadt Spinnerei Auflösewalze
DE10150431A1 (de) * 2001-10-11 2003-04-17 Rieter Ingolstadt Spinnerei Auflösewalze mit einem beschichteten Garniturdraht
DE10329888B4 (de) * 2002-11-28 2011-12-15 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines Garniturdrahtes für eine Auflösewalze
DE10260507A1 (de) * 2002-12-21 2004-07-01 Rieter Ingolstadt Spinnereimaschinenbau Ag Auflösewalze mit einer axialen Demontageöffnung
DE502005011110D1 (de) * 2004-06-18 2011-04-28 Rieter Ingolstadt Gmbh Auflöseeinrichtung für Spinnmaschinen
DE102004029659B4 (de) 2004-06-18 2017-03-30 Rieter Ingolstadt Gmbh Auflöseeinrichtung für Spinnmaschinen
WO2006128744A1 (en) * 2005-05-30 2006-12-07 Nv Bekaert Sa Card clothing wire with a coating having a high hardness
DE102007037229A1 (de) 2007-08-07 2009-02-12 Rieter Ingolstadt Gmbh Auflösewalze mit Clipverbindung
DE102009038329A1 (de) 2009-08-20 2011-02-24 Oerlikon Textile Gmbh & Co. Kg Träger zur Aufnahme eines schraubenlinienförmig vorgeformten Garniturdrahtes
DE102016124635A1 (de) * 2016-12-16 2018-06-21 Saurer Germany Gmbh & Co. Kg Auflösewalze für eine Rotorspinnmaschine

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DE2211991A1 (de) † 1971-03-09 1972-10-05 Toyoda Chuo Kenkyusho Kk Metalldraht, insbesondere fur Spinn maschinen
JPS4829130A (cs) † 1971-08-18 1973-04-18
DE2433769A1 (de) † 1974-07-13 1976-01-22 Seelemann Baumann Gmbh Vorreisserwalze fuer open-end spinnmaschinen
US4211583A (en) † 1977-10-11 1980-07-08 Eadie Bros. & Co. Limited Card-clothing wire
DE4038352A1 (de) † 1990-12-01 1992-06-04 Fritz Stahlecker Aufloesewalze fuer eine faserbandaufloeseeinrichtung
DE4314161A1 (de) † 1993-04-29 1994-11-03 Kempten Elektroschmelz Gmbh Verfahren zur Oberflächenbehandlung von Auflösewalze für das Offen-end-Spinnen
WO1996022410A1 (en) † 1995-01-21 1996-07-25 The English Card Clothing Co. Ltd. Card-clothing wire

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CH539134A (de) * 1971-05-12 1973-07-15 Graf & Co Ag Kardengarnitur
BE794647A (nl) * 1972-01-29 1973-05-16 English Card Clothing Verbeteringen aan een kaardebeslag
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JPS54147235A (en) * 1978-05-04 1979-11-17 English Card Clothing Card covered opening roller used in open end fine spinning machine
DE2904841A1 (de) * 1979-02-09 1980-08-21 Fritz Stahlecker Saegezahndraht fuer aufloesewalzen von offenend-spinnaggregaten
JPS5994623A (ja) * 1982-11-15 1984-05-31 Kanai Hiroyuki 金属針布被覆ロ−ル
GB2146669B (en) * 1983-09-19 1987-05-13 Holdsworth And Brothers Limite Card clothing
JPS6099017A (ja) * 1983-10-31 1985-06-01 Kanai Jiyuuyou Kogyo Kk 紡機用メタリツクワイヤ
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GB2160551B (en) * 1984-05-12 1988-03-16 Stahlecker Fritz Opening roller
JPS616320A (ja) * 1984-06-21 1986-01-13 Hiroyuki Kanai 紡機用メタリツクワイヤ
JPS6134233A (ja) * 1984-07-24 1986-02-18 Hiroyuki Kanai 紡機用メタリツクワイヤ
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2211991A1 (de) † 1971-03-09 1972-10-05 Toyoda Chuo Kenkyusho Kk Metalldraht, insbesondere fur Spinn maschinen
JPS4829130A (cs) † 1971-08-18 1973-04-18
DE2433769A1 (de) † 1974-07-13 1976-01-22 Seelemann Baumann Gmbh Vorreisserwalze fuer open-end spinnmaschinen
US4211583A (en) † 1977-10-11 1980-07-08 Eadie Bros. & Co. Limited Card-clothing wire
DE4038352A1 (de) † 1990-12-01 1992-06-04 Fritz Stahlecker Aufloesewalze fuer eine faserbandaufloeseeinrichtung
DE4314161A1 (de) † 1993-04-29 1994-11-03 Kempten Elektroschmelz Gmbh Verfahren zur Oberflächenbehandlung von Auflösewalze für das Offen-end-Spinnen
WO1996022410A1 (en) † 1995-01-21 1996-07-25 The English Card Clothing Co. Ltd. Card-clothing wire

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Title
Schmolke, K.-H., Hartstoffschichten für Auflösewalzen von Rotor-Spinnmaschinen und deren Einfluss auf die Garnqualität und Lebensdauer, Melliand Textilberichte (1991) 4, Seite 241 bis 247 †

Also Published As

Publication number Publication date
DE59806482D1 (de) 2003-01-16
CZ293720B6 (cs) 2004-07-14
SK24698A3 (en) 1998-11-04
EP0861930A3 (de) 1999-04-14
TW430702B (en) 2001-04-21
EP1249525A3 (de) 2002-11-27
EP1249525B1 (de) 2004-03-31
EP0861930B1 (de) 2002-12-04
DE59811123D1 (de) 2004-05-06
DE19708190A1 (de) 1998-09-03
EP1249525A2 (de) 2002-10-16
US6006511A (en) 1999-12-28
EP0861930A2 (de) 1998-09-02
CZ54698A3 (cs) 1998-09-16

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