EP0676301A1 - Zylinder mit Drucktuch - Google Patents

Zylinder mit Drucktuch Download PDF

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Publication number
EP0676301A1
EP0676301A1 EP95400714A EP95400714A EP0676301A1 EP 0676301 A1 EP0676301 A1 EP 0676301A1 EP 95400714 A EP95400714 A EP 95400714A EP 95400714 A EP95400714 A EP 95400714A EP 0676301 A1 EP0676301 A1 EP 0676301A1
Authority
EP
European Patent Office
Prior art keywords
layer
blanket
cylinder
printing cylinder
printing
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
EP95400714A
Other languages
English (en)
French (fr)
Other versions
EP0676301B1 (de
Inventor
Denis Hertzog
Hugues Serain
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.)
MacDermid Graphics Solutions Europe SAS
Original Assignee
Rollin SA
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 Rollin SA filed Critical Rollin SA
Publication of EP0676301A1 publication Critical patent/EP0676301A1/de
Application granted granted Critical
Publication of EP0676301B1 publication Critical patent/EP0676301B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
    • B41N10/02—Blanket structure
    • B41N10/04—Blanket structure multi-layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/04—Intermediate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/14—Location or type of the layers in multi-layer blankets or like coverings characterised by macromolecular organic compounds

Definitions

  • the present invention essentially relates to a cylinder equipped with a printing blanket which can be used in printing machines of various types.
  • printing blankets generally comprise a lithographic layer with which is associated at least one compressible layer and a reinforcing layer.
  • the present invention aims to solve all the above problems by providing an integral printing blanket constituting a perfect sealing barrier vis-à-vis the cylinder which it surrounds, and eliminating any possible rupture phenomenon at its part penetrating into the groove of the printing cylinder.
  • the subject of the invention is a printing cylinder equipped with a blanket comprising a lithographic or printing layer with which is associated at least one compressible layer and an outer reinforcing layer, which cylinder has a groove s extending axially and internally provided with fixing means with adjustment of two opposite edges of the blanket so that it tightly surrounds the periphery of the cylinder, characterized in that on the outer layer of the blanket opposite to the lithographic layer is fixed a layer of polymeric material which extends over the entire surface of said outer layer so that the fixing means in the groove grip the opposite edges of the blanket together with the ends of the layer of polymeric material which is an integral part of the blanket in order to allow in particular a homogeneous tension, without variation of thickness, of the blanket on the cylinder.
  • the ends of the layer of polymer material constitute a means of retention by bonding of the blanket-layer assembly to the fixing means.
  • the layer of polymeric material is fixed to the above-mentioned outer layer of the blanket by gluing, extrusion, hot lamination, coating or calendering.
  • This cylinder is further characterized in that the thickness of the layer of polymeric material is between approximately 4 and 400 microns, while the blanket proper has a thickness between approximately 1 and 3 mm.
  • the thickness of the layer of polymer material is between 100 and 250 microns, while the thickness of the blanket is between 1.6 and 2.2 mm.
  • the layer of polymeric material may be made of a thermoplastic elastomer such as, for example, urethane, of a thermoplastic copolymer of polyester and of polyether, of polyolefin, of polyamide, of styrene block polymers or of alloys of thermoplastic materials containing or not non-thermoplastic phases.
  • a thermoplastic elastomer such as, for example, urethane, of a thermoplastic copolymer of polyester and of polyether, of polyolefin, of polyamide, of styrene block polymers or of alloys of thermoplastic materials containing or not non-thermoplastic phases.
  • This cylinder according to this invention is further characterized by the fact that the outer surface of the layer of polymeric material has raised portions, which can have advantages in terms of compressibility.
  • the layer of polymer material can also be made of a cellular material making this layer compressible but moreover impermeable to water and to the fluids associated with printing.
  • the layer of polymer material forms with the blanket a unitary assembly
  • the fixing around the cylinder by traction on the opposite edges of this unitary assembly will not only be excellent but will advantageously avoid any problem of moisture infiltration which risks corrode the periphery of the cylinder, not to mention the fact that any possible creeping or sliding of the blanket on the cylinder, any possible rupture of the blanket at the level of the groove and any possible penetration of printing products which could damage the cylinder will be completely eliminated.
  • Figure 1 is a schematic view in cross section of a printing cylinder around which is fixed a blanket, according to the techniques of the prior art.
  • Figure 2 is a view similar to Figure 1, but illustrating the blanket according to this invention in the fixed position on a printing cylinder.
  • Figure 3 is a schematic sectional view of an exemplary embodiment of the printing blanket according to this invention.
  • a covering 2 is adhered and therefore fixed permanently to the external surface 1a of the cylinder 1, this adhesion or prior fixing of the covering 2 being materialized by the small crosses marked at 3.
  • a blanket has been identified at B which is simply applied to the covering layer 2 and whose free ends 4 are grasped by fixing means 5 housed in a groove 6 extending axially and formed in the cylinder 1, as can be seen in the figure 1.
  • the fastening means 5 generally comprise two metal bars 7 each receiving the end 4 of the blanket B and can be actuated radially by an element 8 constituting for example a screw system and capable of exerting traction on the ends 4 of the blanket B so that it is applied tightly to the covering 2 integral with the printing cylinder 1.
  • the covering 2 is interrupted substantially at the sides 6a of the groove 6, while only the ends 4 of the blanket B can be gripped by the bars 7 after they have entered the groove 6 and crossed the sharp angle 9 constituted by the connection of the sides 6a of the groove 6 with the external surface 1a of the printing cylinder 1.
  • the cylinder 1 as seen in FIG. 2, is coated with a blanket 10 to which a layer 11 of polymer material is intimately fixed which extends over substantially the entire surface of the blanket 10.
  • the layer 11 of polymeric material forms an integral part of the blanket 10 and constitutes a unitary assembly which will simply be applied to the external surface 1a of the cylinder 1 and will be tightened around the periphery of this surface by the fixing means 5.
  • the blanket 10 comprises a lithographic or printing layer 12, a compressible layer of cellular rubber 13 and a fabric reinforcement layer 14 to which the layer 11 of material is intimately connected. polymer.
  • This layer 11 can be connected to the reinforcing fabric layer 14 by any appropriate means known per se, for example, bonding, extrusion, hot lamination, coating or calendering.
  • polymer material leaving an extruder (not shown) at a temperature between about 120 and 240 ° C can pass between two cylinders, at the same time as the blanket 10, so as to obtain downstream of the two cylinders, l 'unitary assembly shown in Figure 3.
  • this unitary assembly may be obtained by hot lamination, at a temperature between 120 and 240 ° C., this hot lamination consisting in passing a sheet of polymeric material such as 11 and a blanket such as 10 between two rotary cylinders (not shown) at a temperature within the above range.
  • the thickness of the layer of polymer material 11 will be between approximately 4 and 400 microns, and preferably between 100 and 250 microns, while the thickness of the blanket 10 will be between approximately 1 and 3 mm, and preferably between 1 , 6 and 2.2 mm.
  • thermoplastic elastomer of the urethane type a thermoplastic polyester and polyether copolymer
  • polyolefin a polyamide
  • styrene block polymers such as SB, SBS, SIS, SEB-S, ASA or alloys.
  • thermoplastic materials which may or may not contain non-thermoplastic phases (or domains).
  • alloys As examples of such alloys, mention may be made of mixtures of polymers PP, PE, PS, ABS, PC, SAN, PA with thermoplastic elastomers of type IIR, EPDM, NR, SBR, EVA and silicones.
  • the properties can be improved by compatibilization or by dynamic vulcanization.
  • polymeric material for layer 11 there may also be mentioned: polyurethanes, polyamide and polyether copolymers, trans polyisoprene, thermoplastic 1,2-polybutadiene, polyethylene ethylene vinyl acetate or ethylene ethyl acetate, PVF, PA, copolymers of polysulfone and polymethylsiloxane, copolymers of polystyrene and polymethylsiloxane, and copolymers of silicone, polysulfone and polymethylsiloxane. But other materials could perfectly be used without departing from the scope of the invention.
  • thermoplastic elastomer type which may, if necessary, be crosslinked by irradiation or a non-thermoplastic elastomeric material crosslinked by heat or by irradiation.
  • polymers which may cause corrosion of the cylinders will not be used for layer 11, as well as polymers which do not chemically resist water or swell in the presence of 'water.
  • the layer of polymeric material 11 may comprise on its external face 11a which will simply be applied to the external surface 1a of the cylinder 1, parts in relief capable of improving the compressibility of the laminate illustrated in Figure 3, this laminate can, if desired, include additional layers not shown.
  • the layer 11 may also be formed from a cellular polymeric material, that is to say a material comprising closed cells obtained for example using methods known per se such as the use of blowing agents or incorporation of microbeads. Consequently, the layer 11 will be compressible while remaining essentially impermeable to water and to the fluids associated with printing newspapers, for example.
  • the laminate which has just been described, when it is mounted and locked on the cylinder 1, as can be seen in FIG. 2, will not pose any problem of relative sliding of the blanket 10 relative to the layer of material. polymer 11 due to the intimate bond and by any appropriate means of said layer to the blanket 10.
  • the layer 11 extends over the entire surface of the blanket 10, that is to say over the entire surface of the fabric reinforcement layer 14, so that the ends 11b of the layer 11 are also fixed in the bars 7.
  • the fixing on the bars can be achieved by taking advantage of the presence of the ends 11b of the layer 11 which, under the effect of heat, will be able to bond the unitary blanket 10 - layer 11 on bars 7.
  • a printing blanket has therefore been produced according to the invention which, due to the integration of a layer of polymeric material into the blanket itself, has the following numerous advantages.
  • a homogeneous tension without relative sliding of the layers is exerted on the blanket when it is applied and it is tightened on the cylinder by traction on its opposite edges.
  • the layer of polymeric material makes the blanket impermeable with respect to the cylinder to which it is applied, which avoids any phenomenon of corrosion of said cylinder (in particular in the case of a newspaper printing cylinder) and also any variation in thickness of the blanket.
  • the blanket will resist folding at the level of the groove of the cylinder and any breakage will be avoided at this level.
  • the layer 11 is preferably sufficiently thick to mask the fabric reinforcement layer 14, the roughness of which forms punctual reliefs on the said layer could in the long run cause local wear on the surface of the cylinder and even perforate said layer 11 so that the seal between cylinder and blanket would then be lost.
  • the blanket can include intermediate layers, in addition to those described and illustrated.
  • the polymer material constituting the layer integrated into the blanket and applying to the printing cylinder can be any suitable material.

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  • Printing Plates And Materials Therefor (AREA)
EP95400714A 1994-03-31 1995-03-30 Zylinder mit Drucktuch Expired - Lifetime EP0676301B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9403849A FR2718079B1 (fr) 1994-03-31 1994-03-31 Blanchet d'impression perfectionné et cylindre d'impression équipé de ce blanchet.
FR9403849 1994-03-31

Publications (2)

Publication Number Publication Date
EP0676301A1 true EP0676301A1 (de) 1995-10-11
EP0676301B1 EP0676301B1 (de) 1998-09-23

Family

ID=9461649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400714A Expired - Lifetime EP0676301B1 (de) 1994-03-31 1995-03-30 Zylinder mit Drucktuch

Country Status (7)

Country Link
US (1) US5644985A (de)
EP (1) EP0676301B1 (de)
JP (1) JPH0890949A (de)
AU (1) AU701479B2 (de)
CA (1) CA2145977A1 (de)
DE (1) DE69504889T2 (de)
FR (1) FR2718079B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0824078A1 (de) * 1996-08-14 1998-02-18 Rollin S.A. Lithographische Schicht für ein Drucktuch und entsprechendes Drucktuch
EP0844100A2 (de) * 1996-11-22 1998-05-27 Novurania S.p.A. Drucktuch für Offsetdruck
WO2001070512A1 (en) * 2000-03-21 2001-09-27 Day International, Inc. Flexible image transfer blanket having non-extensible backing
WO2001092026A1 (fr) * 2000-05-31 2001-12-06 Macdermid Graphic Arts S.A. Procede de fabrication d'un blanchet d'impression et blanchet ainsi obtenu
WO2001092027A1 (fr) * 2000-05-31 2001-12-06 Macdermid Graphic Arts S.A. Procede de fabrication d'un blanchet d'impression multicouches et blanchet ainsi obtenu
EP1195264A1 (de) * 2000-10-03 2002-04-10 ROSSINI S.p.A. Verbesserte Hülse für Gummituchzylinder einer Indirekt- oder Offset-Druckmaschine
US7282250B2 (en) 2000-07-28 2007-10-16 Tesa Ag Method for providing longitudinally extended articles, such as cable assemblies, with a sheathing
EP1970210A1 (de) * 2007-02-28 2008-09-17 manroland AG Übertragungsform für einen Übertragungszylinder einer Druckmaschine

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5860360A (en) * 1996-12-04 1999-01-19 Day International, Inc. Replaceable printing sleeve
USRE38468E1 (en) 1996-12-04 2004-03-23 Day International, Inc. Replaceable sleeve
US5974974A (en) * 1997-07-01 1999-11-02 Polyfibron Technologies, Inc. Substantially transparent printing blankets and methods for using same
US5894799A (en) * 1997-10-01 1999-04-20 E. I. Du Pont De Nemours And Company Element for cushioning a flexographic printing plate
FR2770451B1 (fr) * 1997-11-06 1999-12-31 Rollin Sa Couche lithographique perfectionnee pour blanchet d'impression et blanchet equipe de cette couche
US6073558A (en) * 1998-07-20 2000-06-13 Heidelberger Druckmaschinen Ag Printing press having blanket cylinder with filler bar and blanket
JP2000071415A (ja) * 1998-08-28 2000-03-07 Kin Yosha Kk 印刷装置
FR2788720B1 (fr) * 1999-01-26 2001-04-06 Rollin Sa Blanchet pour un cylindre a gorge etroite d'une machine a imprimer
FR2809665B1 (fr) * 2000-05-31 2003-03-14 Rollin Sa Procede de fabrication d'un blanchet d'impression comportant une couche au dos en un materiau polymere et blanchet ainsi obtenu
US6811863B2 (en) 2001-07-20 2004-11-02 Brite Ideas, Inc. Anti-marking coverings for printing presses
US6640711B2 (en) * 2002-01-15 2003-11-04 Michael A. Smoot Bridge mandrel for use as a repeat builder in a printing machine
US7399526B2 (en) * 2002-10-11 2008-07-15 Day International, Inc. Printing blanket and method for reducing corrosion and abrasion of printing blankets and blanket cylinders
US6912955B2 (en) * 2003-08-21 2005-07-05 Reeves Brothers, Inc. Metal-backed printing blanket
US8783178B2 (en) 2005-11-09 2014-07-22 Day International, Inc. Printing blanket including a non-extensible backing layer and a relief area which may be mounted in a variety of lockup mechanisms
US20070119320A1 (en) * 2005-11-28 2007-05-31 Byers Joseph L Printing blanket having improved dynamic thickness stability
EP2019754B1 (de) * 2006-05-12 2012-09-12 Printguard, Inc. Vorrichtung zur entmarkierung von abdeckungen für druckpressen
US20080070042A1 (en) * 2006-09-20 2008-03-20 Day International, Inc. Printing blanket or sleeve including thermoplastic polyurethane or thermoplastic polyurethane alloy layers
ITMI20071405A1 (it) * 2007-07-13 2009-01-14 Acobas Roberto Levi Rivestimento per cilindro portacaucciu' di una macchina di stampa cilindro che incorpora tale rivestimento macchina da stampa che incorpora tale cilindro e procedimento per la presisposizione di un cilindro portacaucciu' in una macchina da stampa
WO2014065866A1 (en) * 2012-10-24 2014-05-01 Day International, Inc. Printing blanket including meltable polymeric fabric reinforcing layer or polymeric reinforcing layer
DE102013113882A1 (de) * 2013-12-11 2015-06-11 Manroland Web Systems Gmbh Spannschiene für ein Gummituch und Gummituch
WO2021193423A1 (ja) * 2020-03-23 2021-09-30 東レ株式会社 円筒状印刷版および印刷物の製造方法
CN111421976B (zh) * 2020-04-22 2022-05-31 上海昊米新材料科技股份有限公司 一种油墨转移介质及其制备方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
FR2082373A5 (de) 1970-03-12 1971-12-10 Jager Jeune Nle Ets
EP0448469A1 (de) * 1990-03-23 1991-09-25 Rollin S.A. Elastisches und kompressibles Drucktuch
US5066537A (en) 1990-10-04 1991-11-19 W. R. Grace & Co.-Conn. Printing blanket containing a high elongation fabric
GB2266864A (en) 1992-04-01 1993-11-17 Roland Man Druckmasch Blanket clamp with means for preventing clamping screws coming loose.

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US4093764A (en) * 1976-10-13 1978-06-06 Dayco Corporation Compressible printing blanket
US4093487A (en) * 1976-11-15 1978-06-06 Dayco Corporation Method of continuously making a printing blanket construction
US4421826A (en) * 1980-05-08 1983-12-20 W. R. Grace & Co. Polyurethane polymer amine salt as a dyeing aid, particularly for polyolefin fibers
US4337700A (en) * 1980-05-30 1982-07-06 Pathfinder Graphic Associates, Inc. Blanket cylinder construction for printing press
DE3140122C2 (de) * 1981-10-09 1987-11-12 Continental Gummi-Werke Ag, 3000 Hannover Mehrschichtiges Drucktuch und Verfahren zu dessen Herstellung
DE3401350C2 (de) * 1984-01-17 1986-01-23 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Zylinderaufzug für einen Gummizylinder einer Offsetrotationsdruckmaschine
JPS60225799A (ja) * 1984-04-25 1985-11-11 Toppan Printing Co Ltd 印刷ブランケツト
FR2631668B2 (fr) * 1988-01-15 1993-11-12 Hutchinson Supports elastiques de suspension
IT219231Z2 (it) * 1990-02-09 1993-02-08 Fiocchi Munizioni Spa Contenitore alveolare per inneschi esplosivi
US5069958A (en) * 1990-05-29 1991-12-03 Milliken Research Corporation Printer's blanket
DE4203148C2 (de) * 1992-02-05 1994-02-03 Koenig & Bauer Ag Anordnung zum Halten der unteren Lage von zweilagigen Aufzügen für Druckzylinder von Rotationsdruckmaschinen
US5350623A (en) * 1992-09-21 1994-09-27 Derrick Steven L Compressible blanket assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2082373A5 (de) 1970-03-12 1971-12-10 Jager Jeune Nle Ets
EP0448469A1 (de) * 1990-03-23 1991-09-25 Rollin S.A. Elastisches und kompressibles Drucktuch
US5066537A (en) 1990-10-04 1991-11-19 W. R. Grace & Co.-Conn. Printing blanket containing a high elongation fabric
GB2266864A (en) 1992-04-01 1993-11-17 Roland Man Druckmasch Blanket clamp with means for preventing clamping screws coming loose.

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0824078A1 (de) * 1996-08-14 1998-02-18 Rollin S.A. Lithographische Schicht für ein Drucktuch und entsprechendes Drucktuch
EP0844100A2 (de) * 1996-11-22 1998-05-27 Novurania S.p.A. Drucktuch für Offsetdruck
EP0844100A3 (de) * 1996-11-22 1998-09-09 Novurania S.p.A. Drucktuch für Offsetdruck
US6019042A (en) * 1996-11-22 2000-02-01 Novurania, S.P.A. Printing blanket for offset printing
DE19648494C2 (de) * 1996-11-22 2002-03-07 Novurania S P A Drucktuch für Offsetdruck
WO2001070512A1 (en) * 2000-03-21 2001-09-27 Day International, Inc. Flexible image transfer blanket having non-extensible backing
US6530321B2 (en) 2000-03-21 2003-03-11 Day International, Inc. Flexible image transfer blanket having non-extensible backing
FR2809666A1 (fr) * 2000-05-31 2001-12-07 Rollin Sa Procede de fabrication d'un blanchet d'impression multicouches et blanchet ainsi obtenu
FR2809667A1 (fr) * 2000-05-31 2001-12-07 Rollin Sa Procede de fabrication d'un blanchet d'impression et blanchet ainsi obtenu
WO2001092027A1 (fr) * 2000-05-31 2001-12-06 Macdermid Graphic Arts S.A. Procede de fabrication d'un blanchet d'impression multicouches et blanchet ainsi obtenu
WO2001092026A1 (fr) * 2000-05-31 2001-12-06 Macdermid Graphic Arts S.A. Procede de fabrication d'un blanchet d'impression et blanchet ainsi obtenu
US7238257B2 (en) 2000-05-31 2007-07-03 Macdermid Graphic Arts S.A. Method for making a printing blanket
US7357078B2 (en) 2000-05-31 2008-04-15 Macdermid Graphic Arts S.A. Method for making a multilayer printing blanket and resulting blanket
US7282250B2 (en) 2000-07-28 2007-10-16 Tesa Ag Method for providing longitudinally extended articles, such as cable assemblies, with a sheathing
EP1195264A1 (de) * 2000-10-03 2002-04-10 ROSSINI S.p.A. Verbesserte Hülse für Gummituchzylinder einer Indirekt- oder Offset-Druckmaschine
EP1970210A1 (de) * 2007-02-28 2008-09-17 manroland AG Übertragungsform für einen Übertragungszylinder einer Druckmaschine

Also Published As

Publication number Publication date
US5644985A (en) 1997-07-08
AU1615295A (en) 1995-10-12
FR2718079A1 (fr) 1995-10-06
CA2145977A1 (en) 1995-10-01
JPH0890949A (ja) 1996-04-09
EP0676301B1 (de) 1998-09-23
AU701479B2 (en) 1999-01-28
DE69504889D1 (de) 1998-10-29
FR2718079B1 (fr) 1996-05-15
DE69504889T2 (de) 1999-05-27

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