EP1254771B1 - Rubber blanket - Google Patents

Rubber blanket Download PDF

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Publication number
EP1254771B1
EP1254771B1 EP02017783A EP02017783A EP1254771B1 EP 1254771 B1 EP1254771 B1 EP 1254771B1 EP 02017783 A EP02017783 A EP 02017783A EP 02017783 A EP02017783 A EP 02017783A EP 1254771 B1 EP1254771 B1 EP 1254771B1
Authority
EP
European Patent Office
Prior art keywords
blanket
cylinder
rubber blanket
rails
reinforcement
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
EP02017783A
Other languages
German (de)
French (fr)
Other versions
EP1254771A2 (en
EP1254771A3 (en
Inventor
Helmut Holm
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1254771A2 publication Critical patent/EP1254771A2/en
Publication of EP1254771A3 publication Critical patent/EP1254771A3/en
Application granted granted Critical
Publication of EP1254771B1 publication Critical patent/EP1254771B1/en
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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1281—Devices for attaching printing elements or formes to supports for attaching flexible printing formes details of the printing plate ends

Definitions

  • the invention relates to a rubber blanket according to the preamble of claim 1.
  • a blanket tensioning device in which the rubber blanket ends are each provided with a hanging rail. In doing so, a first or leading end is placed in a lateral recess in the cylinder channel and a second or trailing end is inserted radially into the Canal pulled and so excited.
  • the invention has for its object to provide a rubber blanket.
  • a blanket 03 z. B. On the outer surface 01 of a blanket cylinder 02 is a blanket 03 z. B. with a thickness a of approximately 2 mm and a width b of approximately 1000 mm.
  • U-shaped first Reinforcement rail 07 and a second reinforcement rail 08 form- andloder attached cohesively. They are sufficiently rigid with respect to their longitudinal axis. Cross-sectional, shape and section modulus are selected accordingly.
  • the Reinforcement rails 07; 08 each have their first (left) ends 12 and their second (right) ends 13 left and right over the rubber blanket 03 by at least five Millimeters to the side.
  • the reinforcement rails 07; 08 are longer than that Blanket 03 is wide.
  • the ends are 04; 06 of the rubber blanket 03 on the reinforcement rails 07; 08 z. B. attached by rivets or by gluing, vulcanizing, etc.
  • the Reinforcement rails 07; 08 can each have a height f that is 20 to 40 times the thickness a of the rubber blanket is 03
  • Reinforcement rails 07; 08 are in approximately the radial, axial direction of the Blanket cylinder 02 extending narrow cylinder channel 14 introduced.
  • the opening 16 to the lateral surface 01 is slit-like (clear width g).
  • a trapezoidal course of the Cylinder channel 14 is advantageous because this reinforcement rails 07; 08 in Inside of the cylinder channel 14 can be guided away from each other.
  • the width g of the opening 16 can be kept very narrow. It roughly corresponds a thickness a of the rubber blanket 03 plus the thickness c of a reinforcing rail 07 plus a small surcharge.
  • the cylinder channel 14 can expediently be provided by a on the channel bottom 17 attached, upstanding, wedge-shaped guide web 18- shown in dashed lines in Fig. 1 - in two compartments 19; 21 be divided lengthways. This makes it possible that each end 04; 06 the rubber blanket 03 in its own compartment 19; 21 can be performed. Here are the reinforcement rails 07; 08 moved away from each other.
  • one Device 20 is provided for generating a compressive force on the free ends.
  • the Device 20 is supported on the rubber cylinder body and generates a compressive force on the free ends, which are in the radial direction towards the axis of rotation of the Blanket cylinder 02 acts and so holds and tensions the blanket 03.
  • the devices 20 for generating a compressive force are per free Reinforcing rail end 07; 08 provided. They exist e.g. B. from one Clamping block 24; 26, each of which by means of a releasable, positive connection -z. B. one each Screw 27; 28- on the side next to the cylinder channel 14 of the blanket cylinder 02 in Can be moved up and down radially in the direction of the cylinder rotation axis and thus compressive forces on the free ends 12, 13 of the reinforcing rails 07; 08 can exercise.
  • Each clamping block 24; 26 is secured against rotation and has z. B. one each free ends 12, 13 of the reinforcing rails 07 and 08, engaging around the nose 29th
  • the clamping blocks 24; 26 also have differently sized distances in the radial direction The outer surface 01 of the blanket cylinder 02 on (Fig. 1). So both clamping blocks 24 of the first (leading) end 04 of the rubber blanket 03 further from the outer surface 01 removed as the clamping blocks 26 of the second (trailing) end 06 of the rubber blanket 03.
  • the devices 20 are each in a recess 23 on the ball of the Blanket cylinder 02 attached. A wall of this recess 23 can be Serve against rotation. The devices 20 can also on both ends 22 of the rubber cylinder bales are attached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Escalators And Moving Walkways (AREA)
  • Tires In General (AREA)

Description

Die Erfindung betrifft ein Gummituch gemäß dem Oberbegriff des Anspruches 1.The invention relates to a rubber blanket according to the preamble of claim 1.

Durch die DE 196 16 337 A1 ist eine Gummituchspannvorrichtung bekannt, bei welcher die Gummituchenden jeweils mit einer Einhängeschiene versehen sind. Dabei wird ein erstes oder vorlaufendes Ende in eine seitliche Aussparung des Zylinderkanals verbracht und ein zweites oder nachlaufendes Ende wird mittels einer Spannleiste radial in den Kanal gezogen und so gespannt.From DE 196 16 337 A1 a blanket tensioning device is known, in which the rubber blanket ends are each provided with a hanging rail. In doing so, a first or leading end is placed in a lateral recess in the cylinder channel and a second or trailing end is inserted radially into the Canal pulled and so excited.

Die DE 78 20 773 U1 zeigt ein Gummituch mit Einhängeschienen, wobei die Einhängeschienen über die Breite des Gummituches überstehen.DE 78 20 773 U1 shows a rubber blanket with hanging rails, the Protect the hanging rails over the width of the rubber blanket.

Der Erfindung liegt die Aufgabe zugrunde, ein Gummituch zu schaffen.The invention has for its object to provide a rubber blanket.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß nur ein schmaler sichtbarer Spannkanal vorhanden ist, so daß mit dem Gummituchzylinder eine große Drucklänge erzielt wird. Für diese einfache und zuverlässig arbeitende Vorrichtung wird weder eine Spannspindel noch eine Spannleiste benötigt.The advantages that can be achieved with the invention are, in particular, that only one Narrow visible tension channel is available, so that with the blanket cylinder large print length is achieved. For this simple and reliable device neither a clamping spindle nor a clamping bar is required.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawing and is in following described in more detail.

Es zeigen:

Fig. 1
einen Teilquerschnitt durch einen Zylinder mit der erfindungsgemäßen Vorrichtung entlang der Schnittlinie I-I nach Fig. 2;
Fig. 2
eine Draufsicht auf das Ende eines Zylinders mit der Vorrichtung entsprechend der Darstellung nach Fig. 1.
Show it:
Fig. 1
a partial cross section through a cylinder with the device according to the invention along the section line II of FIG. 2;
Fig. 2
3 shows a plan view of the end of a cylinder with the device corresponding to the representation according to FIG. 1.

Auf der Mantelfläche 01 eines Gummituchzylinders 02 liegt ein Gummituch 03 z. B. mit einer Dicke a von ca. 2 mm und einer Breite b von ca. 1000 mm auf. Am ersten und zweiten Ende 04; 06 des Gummituches 03 ist je eine- z. B. U-förmige -erste Verstärkungsschiene 07 und eine zweite Verstärkungsschiene 08 form- undloder stoffschlüssig angebracht. Sie sind in Bezug auf ihre Längsachse ausreichend biegesteif. Querschnitt-, Form- und Widerstandsmoment sind entsprechend ausgewählt. Die Verstärkungsschienen 07; 08 stehen jeweils mit ihren ersten (linken) Enden 12 und ihren zweiten (rechten) Enden 13 links und rechts über das Gummituch 03 um mindestens fünf Millimeter seitlich hinaus. Die Verstärkungsschienen 07; 08 sind länger als das Gummituch 03 breit ist.On the outer surface 01 of a blanket cylinder 02 is a blanket 03 z. B. with a thickness a of approximately 2 mm and a width b of approximately 1000 mm. On the first and second end 04; 06 of the rubber blanket 03 is z. B. U-shaped first Reinforcement rail 07 and a second reinforcement rail 08 form- andloder attached cohesively. They are sufficiently rigid with respect to their longitudinal axis. Cross-sectional, shape and section modulus are selected accordingly. The Reinforcement rails 07; 08 each have their first (left) ends 12 and their second (right) ends 13 left and right over the rubber blanket 03 by at least five Millimeters to the side. The reinforcement rails 07; 08 are longer than that Blanket 03 is wide.

Wie gesagt, sind die Enden 04; 06 des Gummituches 03 an den Verstärkungsschienen 07; 08 z. B. mittels Nieten oder durch Kleben, Vulkanisieren usw. befestigt. Die Verstärkungsschienen 07; 08 können jeweils eine Höhe f aufweisen, die das 20- bis 40-fachen der Dicke a des Gummituches 03 beträgtAs I said, the ends are 04; 06 of the rubber blanket 03 on the reinforcement rails 07; 08 z. B. attached by rivets or by gluing, vulcanizing, etc. The Reinforcement rails 07; 08 can each have a height f that is 20 to 40 times the thickness a of the rubber blanket is 03

Die in den Zylinderkanal 14 eingekanteten Enden 12, 13 der Verstärkungsschienen 07; 08 ragen über die Breite b des Gummituches 03 wie auch seitlich aus dem Zylinderkanal 14 hinaus.The ends 12, 13 of the reinforcing rails 07; 08 protrude over the width b of the rubber blanket 03 and laterally out of the cylinder channel 14 out.

Die Enden 04; 06 des Gummituches 03 mit dem an ihnen befestigten Teil der Verstärkungsschienen 07; 08 werden in den etwa in radialer, axialer Richtung des Gummituchzylinders 02 verlaufenden schmalen Zylinderkanal 14 eingeführt. Die Öffnung 16 zur Mantelfläche 01 ist spaltartig (lichte Weite g) .Im Querschnitt ist der Zylinderkanal 14 trapezförmig auf eine lichte Weite h erweitert. Ein trapezförmiger Verlauf des Zylinderkanals 14 ist von Vorteil, weil dadurch die Verstärkungsschienen 07; 08 im Inneren des Zylinderkanals 14 voneinander weg geführt werden können. The ends 04; 06 of the rubber blanket 03 with the part of the attached to them Reinforcement rails 07; 08 are in approximately the radial, axial direction of the Blanket cylinder 02 extending narrow cylinder channel 14 introduced. The opening 16 to the lateral surface 01 is slit-like (clear width g). In cross section is the cylinder channel 14 expanded trapezoidal to a clear width h. A trapezoidal course of the Cylinder channel 14 is advantageous because this reinforcement rails 07; 08 in Inside of the cylinder channel 14 can be guided away from each other.

Die Weite g der Öffnung 16 kann sehr schmal gehalten werden. Sie entspricht in etwa einer Dicke a des Gummituches 03 zuzüglich der Dicke c einer Verstärkungsschiene 07 plus einem kleinen Zuschlag.The width g of the opening 16 can be kept very narrow. It roughly corresponds a thickness a of the rubber blanket 03 plus the thickness c of a reinforcing rail 07 plus a small surcharge.

Zweckmäßigerweise kann der Zylinderkanal 14 durch einen am Kanalboden 17 befestigten, aufragenden, keilförmigen Führungssteg 18- in Fig. 1 gestrichelt dargestellt - in zwei Abteile 19; 21 längsgeteilt sein. Hierdurch wird es möglich, daß jedes Ende 04; 06 des Gummituches 03 in ein eigenes Abteil 19; 21 geführt werden kann. Hierbei werden die Verstärkungsschienen 07; 08 voneinander weg bewegt.The cylinder channel 14 can expediently be provided by a on the channel bottom 17 attached, upstanding, wedge-shaped guide web 18- shown in dashed lines in Fig. 1 - in two compartments 19; 21 be divided lengthways. This makes it possible that each end 04; 06 the rubber blanket 03 in its own compartment 19; 21 can be performed. Here are the reinforcement rails 07; 08 moved away from each other.

Links und rechts neben Anfang und Ende des Zylinderkanals 14, direkt neben ihnen oder von ihnen beabstandet ist pro freies Ende der Verstärkungsschienen 07; 08 eine Vorrichtung 20 zur Erzeugung einer Druckkraft auf die freien Enden vorgesehen. Die Vorrichtung 20 stützt sich am Gummizylinderkörper ab und erzeugt eine Druckkraft auf die freien Enden, die in radialer Richtung in Richtung auf die Rotationsachse des Gummituchzylinders 02 wirkt und so das Gummituch 03 festhält und spannt.Left and right next to the beginning and end of cylinder channel 14, right next to them or spaced from them is per free end of the reinforcing rails 07; 08 one Device 20 is provided for generating a compressive force on the free ends. The Device 20 is supported on the rubber cylinder body and generates a compressive force on the free ends, which are in the radial direction towards the axis of rotation of the Blanket cylinder 02 acts and so holds and tensions the blanket 03.

Die Vorrichtungen 20 zur Erzeugung einer Druckkraft sind pro freies Verstärkungsschienenende 07; 08 vorgesehen. Sie bestehen z. B. aus jeweils einem Spannklotz 24; 26, der jeweils mittels lösbarer, formschlüssiger Verbindung -z. B. je einer Schraube 27; 28- seitlich neben dem Zylinderkanal 14 des Gummituchzylinders 02 in Richtung Zylinderrotationsachse bzw. radial auf- und abbewegbar ist und so Druckkräfte auf die freien Enden 12, 13 der Verstärkungsschienen 07; 08 ausüben kann.The devices 20 for generating a compressive force are per free Reinforcing rail end 07; 08 provided. They exist e.g. B. from one Clamping block 24; 26, each of which by means of a releasable, positive connection -z. B. one each Screw 27; 28- on the side next to the cylinder channel 14 of the blanket cylinder 02 in Can be moved up and down radially in the direction of the cylinder rotation axis and thus compressive forces on the free ends 12, 13 of the reinforcing rails 07; 08 can exercise.

Jeder Spannklotz 24; 26 ist gegen Verdrehung gesichert und hat z. B. jeweils eine die freien Enden 12, 13 der Verstärkungsschienen 07 bzw. 08 umgreifende, anliegende Nase 29.Each clamping block 24; 26 is secured against rotation and has z. B. one each free ends 12, 13 of the reinforcing rails 07 and 08, engaging around the nose 29th

Die Spannklötze 24; 26 weisen auch in radialer Richtung verschieden große Abstände zur Mantelfläche 01 des Gummituchzylinders 02 auf (Fig. 1) .Somit sind beide Spannklötze 24 des ersten (vorlaufenden) Endes 04 des Gummituches 03 weiter von der Mantelfläche 01 entfernt als die Spannklötze 26 des zweiten (nachlaufenden) Endes 06 des Gummituches 03.The clamping blocks 24; 26 also have differently sized distances in the radial direction The outer surface 01 of the blanket cylinder 02 on (Fig. 1). So both clamping blocks 24 of the first (leading) end 04 of the rubber blanket 03 further from the outer surface 01 removed as the clamping blocks 26 of the second (trailing) end 06 of the rubber blanket 03.

Die Vorrichtungen 20 sind jeweils in eine Ausnehmung 23 am Ballen des Gummituchzylinders 02 befestigt. Eine Wand dieser Ausnehmung 23 kann als Verdrehsicherung dienen. Die Vorrichtungen 20 können aber auch an beiden Stirnseiten 22 der Gummizylinderballen befestigt sein. The devices 20 are each in a recess 23 on the ball of the Blanket cylinder 02 attached. A wall of this recess 23 can be Serve against rotation. The devices 20 can also on both ends 22 of the rubber cylinder bales are attached.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Mantelfläche (02)Lateral surface (02)
0202
GummituchzylinderBlanket cylinder
0303
Gummituchblanket
0404
Ende, erstes (vorlaufendes) (03)End, first (leading) (03)
0505
--
0606
Ende, zweites (nachlaufendes) (03)End, second (trailing) (03)
0707
Verstärkungsschiene, erste (04)Reinforcement rail, first (04)
0808
Verstärkungsschiene, zweite (06)Reinforcement rail, second (06)
0909
--
1010
--
1111
--
1212
Ende, erstes (linkes) (07)End, first (left) (07)
1313
Ende, zweites (rechtes) (08)End, second (right) (08)
1414
Zylinderkanal, schlitzartig (02)Cylinder channel, slot-like (02)
1515
--
1616
Öffnung, schlitzartig (14)Slot-like opening (14)
1717
Kanalboden (14)Canal floor (14)
1818
Führungssteg (14)Guide bar (14)
1919
Abteil, linkesCompartment, left
2020
Vorrichtung zum BefestigenFixing device
2121
Abteil, rechtesCompartment, right
2222
Stirnseite (02)End face (02)
2323
Ausnehmung (02)Recess (02)
2424
Spannklotz (12)Tensioning block (12)
2525
--
2626
Spannklotz (13)Tensioning block (13)
2727
Schraube screw
2828
Schraubescrew
2929
Nasenose
aa
Dicke (03)Thick (03)
bb
Breite (03)Width (03)
cc
Dicke (07; 08)Thickness (07; 08)
ff
Höhe (07; 08)Height (07; 08)
gG
Weite, lichte (16)Wide, clear (16)
hH
Weite, lichte (16)Wide, clear (16)

Claims (1)

  1. Printing blanket (03), wherein at least one end (04, 06) has a reinforcing bar (07, 08), characterised in that a height (f) of the reinforcing bar (07, 08) is at least 20 times a thickness (a) of the blanket (03).
EP02017783A 1998-12-28 1999-12-21 Rubber blanket Expired - Lifetime EP1254771B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19860477 1998-12-28
DE19860477A DE19860477C2 (en) 1998-12-28 1998-12-28 Blanket and device for fastening and tensioning this blanket
EP99964444A EP1140501B1 (en) 1998-12-28 1999-12-21 Rubber blanket

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP99964444A Division EP1140501B1 (en) 1998-12-28 1999-12-21 Rubber blanket

Publications (3)

Publication Number Publication Date
EP1254771A2 EP1254771A2 (en) 2002-11-06
EP1254771A3 EP1254771A3 (en) 2002-11-20
EP1254771B1 true EP1254771B1 (en) 2003-09-17

Family

ID=7892963

Family Applications (3)

Application Number Title Priority Date Filing Date
EP02017783A Expired - Lifetime EP1254771B1 (en) 1998-12-28 1999-12-21 Rubber blanket
EP02017782A Expired - Lifetime EP1254770B1 (en) 1998-12-28 1999-12-21 Device for fixing a rubber blanket
EP99964444A Expired - Lifetime EP1140501B1 (en) 1998-12-28 1999-12-21 Rubber blanket

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP02017782A Expired - Lifetime EP1254770B1 (en) 1998-12-28 1999-12-21 Device for fixing a rubber blanket
EP99964444A Expired - Lifetime EP1140501B1 (en) 1998-12-28 1999-12-21 Rubber blanket

Country Status (4)

Country Link
US (1) US6520079B1 (en)
EP (3) EP1254771B1 (en)
DE (4) DE19860477C2 (en)
WO (1) WO2000038921A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224375A1 (en) * 2002-06-01 2003-12-11 Koenig & Bauer Ag Rubber blanket for clamping on a lacquering printing cylinder of a rotary printing press comprises flat fixing plates on its end sections so that the fixing plates are clamped
DE102007051275A1 (en) * 2007-10-26 2009-06-04 Manroland Ag Impression cylinder for use in e.g. newspaper printing press, has two radial clamping systems arranged close to barrel ends of cylinder for fastening printing plates and extending partially along circumference of cylinder
DE102013113882A1 (en) 2013-12-11 2015-06-11 Manroland Web Systems Gmbh Clamping rail for a rubber blanket and blanket

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7820773U1 (en) * 1978-07-11 1978-10-26 Georg Gernhard Druckbedarf Ohg, 6000 Frankfurt RUBBER CLOTH RAIL
DE3116506C2 (en) * 1981-04-25 1984-05-17 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Device for fastening a printing plate on the forme cylinder of a rotary printing press
DE3540581A1 (en) * 1985-11-15 1987-05-21 Roland Man Druckmasch PRINTING CYLINDER WITH A FILLING PIECE IN ITS CYLINDER PIT
DE3636359A1 (en) * 1986-10-25 1988-04-28 Koenig & Bauer Ag PRINTING UNIT WITH SHORT INKING IN A ROTATIONAL PRINTING MACHINE
US4833986A (en) * 1987-03-05 1989-05-30 M.A.N. Roland Druckmaschinen Ag Holding and tensioning system for a cover layer on a printing machine cylinder
DE4210778C2 (en) 1992-04-01 1994-03-31 Roland Man Druckmasch Securing device for tensioning rails for tensioning rubber blankets
DE4425189C1 (en) * 1994-07-16 1996-02-01 Koenig & Bauer Albert Ag Method and device for fastening and tensioning an elevator on a cylinder of a rotary printing press
DE29600845U1 (en) * 1996-01-19 1996-03-07 MAN Roland Druckmaschinen AG, 63075 Offenbach Device for fastening a covering on a printing unit cylinder
DE19616337C2 (en) * 1996-04-24 1999-04-15 Roland Man Druckmasch Method and device for fastening and tensioning a printing blanket

Also Published As

Publication number Publication date
EP1254770B1 (en) 2003-10-01
DE59904064D1 (en) 2003-02-20
EP1254771A2 (en) 2002-11-06
DE19860477C2 (en) 2001-02-01
EP1140501A1 (en) 2001-10-10
DE19860477A1 (en) 2000-07-06
EP1140501B1 (en) 2003-01-15
DE59907066D1 (en) 2003-10-23
EP1254770A2 (en) 2002-11-06
DE59907238D1 (en) 2003-11-06
US6520079B1 (en) 2003-02-18
WO2000038921A1 (en) 2000-07-06
EP1254770A3 (en) 2002-11-20
EP1254771A3 (en) 2002-11-20

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