EP0519301A1 - Cylindre de machine à imprimer avec amortissement des vibrations - Google Patents

Cylindre de machine à imprimer avec amortissement des vibrations Download PDF

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Publication number
EP0519301A1
EP0519301A1 EP92109673A EP92109673A EP0519301A1 EP 0519301 A1 EP0519301 A1 EP 0519301A1 EP 92109673 A EP92109673 A EP 92109673A EP 92109673 A EP92109673 A EP 92109673A EP 0519301 A1 EP0519301 A1 EP 0519301A1
Authority
EP
European Patent Office
Prior art keywords
core
cylinder
printing machine
vibration
machine cylinder
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
EP92109673A
Other languages
German (de)
English (en)
Other versions
EP0519301B1 (fr
Inventor
Dieter Wieland
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 Albert AG
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 Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Priority to EP96108918A priority Critical patent/EP0741012B1/fr
Priority to EP97120691A priority patent/EP0832740A3/fr
Publication of EP0519301A1 publication Critical patent/EP0519301A1/fr
Application granted granted Critical
Publication of EP0519301B1 publication Critical patent/EP0519301B1/fr
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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/085—Cylinders with means for preventing or damping vibrations or shocks

Definitions

  • the invention relates to a printing press cylinder according to the preamble of patent claim 1.
  • vibration-insensitive cylinders for printing machines which are constructed in several pieces and in which materials of different physical properties are used to dampen vibrations.
  • the disadvantage of this cylinder is that a multi-piece structure requires a high manufacturing and assembly costs. In addition, the manufacturing tolerances add up in a multi-part construction. By using materials with different physical Properties can occur when the temperature changes that the cylinder warp in shape. Another disadvantage is that the vibration-damping materials provided between the contact surfaces of the individual components can affect the dimensional stability of the cylinder.
  • EP 01 03 101 a device for reducing the bending vibrations excited by the channel rollover in a printing unit cylinder is known, which is filled with damping mass, inside elastic axes are arranged with an additional mass and that this additional mass is attached off-center and is in contact with the jacket .
  • a disadvantage of this device is that the additional mass is not arranged centrally to the central axis of the cylinder, so that a counterweight or balancing is required. Furthermore, the additional mass touches the cylinder jacket at one point, which is disadvantageous in that, when vibrations occur, the cylinder jacket and the additional mass are always subjected to the same mechanical stress, which leads to flattening or fatigue of the materials and loss of the damping effect can lead.
  • a multi-part construction also requires a lot of manufacturing and assembly work.
  • EP 01 03 102 another variant of the above-mentioned device has become known, which is based on the On the inside of the jacket of the printing unit cylinder, a web which transmits the vibrations is fastened and which is connected to an absorber rod located in the cylinder channel.
  • the absorber rod has additional masses and is embedded in the damping mass.
  • the invention has for its object to provide a printing press cylinder with vibration damping, which is inexpensive to manufacture with high precision, has good damping properties and counteracts a deflection of the cylinder due to its own weight.
  • the advantages of the invention consist in particular in that the core located in the cylinder space forms a countermass to the cylinder jacket and the vibration-damping material converts the vibrations or detunes the resonance vibrations so that these vibrations become harmless.
  • the one-piece cast design of the printing press cylinder enables low manufacturing tolerances with low manufacturing costs.
  • the arrangement of balls or pre-assembled ball containers in the interior of the printing press cylinder not only forms a countermass to the cylinder jacket but also creates a vibration-damping material.
  • they can be attached directly in the vicinity of the point at which the vibrations are derived.
  • the printing press cylinder 1 shows a longitudinal section through a printing press cylinder 1 according to the invention, but without a channel and without a gripper device.
  • the device usually arranged in one or more channels, such as plate or blanket tensioning or gripping devices, is also generally not shown in the following embodiment variants.
  • the cylinder channels are shown in FIGS. 4 and 8.
  • the printing press cylinder 1 consists of a one-piece, rotationally symmetrical cast body, which comprises the cylinder jacket 2 and two end faces 3; 4 includes. Furthermore, belonging to the printing press cylinder 1, an approximately barrel-shaped core 7 extends in the interior of the printing press cylinder 1 in the direction of the cylinder axis 6, which core is firmly connected in the radial direction via an annular web 8 to the inner cylinder jacket 2.
  • the core 7 has core pins 9 on both sides in the direction of the cylinder axis; 11 on.
  • the end faces 3; 4 of the printing press cylinder 1 have axially extending journal 12; 13, the roller bearings 14; 16 in the walls of a machine frame 17; 18 are stored.
  • the two core pins 9; 11 are over vibration-damping material, for example bushings 19; 21 made of polyurethane, vibration-dampened connection.
  • a drive wheel 22 is connected to the journal 13 via screws 23 with the interposition of a spacer ring 24.
  • the printing press cylinder 1 has 3 on its end faces; 4 filling openings 26 and consists, for example, of cast steel or cast iron. In terms of process technology, the core 7 is also cast in. The molding sand can be removed through the filling openings 26.
  • the separation of the core pin 9; 11 of the journal 12; 13 is done by chip removal after pre-processing.
  • the cylinder jacket 2 of the printing press cylinder 1 is excited to vibrate by the channel blow, the channel was not shown here. These vibrations are passed on to the core 7 via the annular web 8. Then the vibrations in the sockets 19; 20 converted from mechanical work into thermal energy by friction.
  • the advantage of this embodiment variant is in particular its one-piece construction, the core 7 with its annular web 8 being used as a counterpressure device at the same time against the bending of the printing press cylinder 1 in the radial direction.
  • the core 27 is approximately cylindrical and is in the axial direction 6 with the journal 12; 13 firmly connected.
  • the core 27 is partially on its end faces with the end faces 3; 4 of the printing press cylinder 1 and with its outer surface completely connected to the inside of the cylinder casing 2 of the printing press cylinder 1 by vibration-damping material 28.
  • vibration-damping material 28 can be filled in.
  • Such material 28 can consist, for example, of polyurethane, bulk material, for example sand, of viscous, vibration-damping media, for example highly viscous oil.
  • a membrane for volume compensation which is connected to the filler openings 26.
  • the cylinder jacket 2 of the printing press cylinder 1 is excited by the channel blow, the channel was not shown here, to vibrations which are converted between the core 27 and the surface of the cylinder jacket 2 as a result of the vibration-damping material 28 introduced.
  • the core 27 acts as a counterweight to the vibrating surface of the cylinder jacket 2.
  • the section A-A according to FIG. 4 is represented by a further embodiment variant of a one-piece printing press cylinder 1 according to the invention consisting of cast steel. 3 and 4 that the essentially cylindrical core 29 is firmly connected to the inside of the cylinder jacket 2 by means of two opposite webs 31 which extend radially from the cylinder axis 6. The webs 31 are arranged offset at an angle to the cylinder channels 32. The end faces 3; 4 of the printing press cylinder 1 are with the journal 12; 13 firmly connected.
  • the core 29 has been cast in.
  • the vibration-damping material 28 according to FIG. 2 is also used.
  • FIG. 5 shows a longitudinal section through a further embodiment variant of a one-piece printing press cylinder 1 according to the invention.
  • the essentially cylindrical core 33 is completely surrounded by vibration-damping material 34.
  • the material 34 is consequently on the other hand with the cylinder jacket 2 and the end faces 3; 4 of the printing press cylinder 1 in contact.
  • the end faces 3; 4 are fixed to the journal 12; 13 connected.
  • the core 33 is cast in one casting with the entire printing press cylinder 1. After the casting sand has been removed through the filling openings 26 and the core 33 has been cast with vibration-damping material 34, the casting webs are separated from the cylinder jacket 2 by drilling out, so that between the core 33 and the end faces 3; 4 there is no longer any metallic connection.
  • the cylinder jacket 2 of the printing press cylinder 1 is excited to vibrate by the channel blow, the channel was not shown here. These vibrations are converted in the vibration damping material 34.
  • the core 33 serves as a countermass to the cylinder jacket 2.
  • polyurethane with metal granules can advantageously be used to equalize the mass.
  • the advantage of this embodiment variant is in particular that, in addition to the one-piece design of the printing press cylinder 1, the core 33 is not metallically connected to the cylinder jacket 2.
  • the printing press cylinder 1 itself has less vibration-damping mass.
  • the vibrations of the cylinder jacket 2 can only reach the core 33 indirectly and only via the vibration-damping material 34
  • FIG. 6 shows a longitudinal section through a further embodiment variant of a one-piece printing press cylinder 1 according to the invention.
  • the core 36 is in approximately cylindrical and has two core pins 9 in the axial direction 6; 11.
  • the cylinder jacket 2 has 3 on its end faces; 4 each journal 12; 13.
  • the core 36 was thus cast in one piece in the cylinder with the greatest possible mass.
  • the core 6 is separated from the cylinder by drilling out the casting webs, so that the core 36 and the core pin 9; 11 no metallic connection to the cylinder jacket 2 or to the end faces 3; Have 4.
  • the space between the core pins 9; 11 and the journal 12; 13 is also filled with vibration-damping material 34 after drilling.
  • the cylinder jacket 2 is with the end faces 3; 4 and the end faces 3; 4 are with the axles extending in the axial direction 12; 13 firmly connected.
  • balls 37 are filled in the space from the cylinder jacket 2 and the end faces 3; 4 of the printing press cylinder 1 is formed.
  • the balls 37 preferably have a diameter of 2.5 to 3 mm and should be made of steel.
  • the balls 37 can be introduced through the filling openings 26.
  • the balls 37 serve both as a core and as a vibration-damping material.
  • the balls 37 can be compacted by shaking.
  • a pretensioner can be installed in the Be arranged inside the printing press cylinder 1, which further compresses the balls 37 if necessary.
  • the cylinder can also be made in several parts.
  • the cylinder jacket 2 is excited to vibrate by the channel blow. These vibrations are transmitted to the balls 37 abutting the inside of the cylinder jacket 2. Due to the lossy impact and movement processes of the balls 37 lying against one another, the vibrations decrease more and more. The damping effect can be increased if additional viscous damping components such as oils or fats are used.
  • FIG. 8 a further embodiment variant according to FIG. 7 is shown with the cross section through a printing press cylinder.
  • the cylinder jacket 2 is shown with cylinder channels 32.
  • the printing press cylinder 1 is designed according to FIG. 7, with the special feature that not the entire interior space, which is caused by the cylinder jacket 2 and the end faces 3; 4 is limited, is filled with balls 37, but that two containers 38 filled with balls are attached in the axial direction 6 in the vicinity of the cylinder channels 32 on the inside of the cylinder jacket 2.
  • the cylinder channel is the area in which the vibrations are generated.
  • One or more ball containers can be installed. It is also advantageous to attach several ball containers so that additional balancing can be omitted. It is advisable to use steel balls with a diameter of 2.5 to 3 mm.
  • the printing press cylinder can be constructed in one part or in several parts. It must have an opening at the front for inserting and mounting the ball container.
  • the filled ball containers are attached through the front openings in the printing press cylinder so that they lie firmly against the inner surface of the cylinder.
  • the ball containers can be screwed or clamped from sheet metal and to the cylinder jacket.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Vibration Prevention Devices (AREA)
EP92109673A 1991-06-15 1992-06-09 Cylindre de machine à imprimer avec amortissement des vibrations Expired - Lifetime EP0519301B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96108918A EP0741012B1 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement des vibrations
EP97120691A EP0832740A3 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement de vibrations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4119825 1991-06-15
DE4119825A DE4119825C1 (fr) 1991-06-15 1991-06-15

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP96108918A Division EP0741012B1 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement des vibrations
EP97120691A Division EP0832740A3 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement de vibrations

Publications (2)

Publication Number Publication Date
EP0519301A1 true EP0519301A1 (fr) 1992-12-23
EP0519301B1 EP0519301B1 (fr) 1998-09-02

Family

ID=6434054

Family Applications (3)

Application Number Title Priority Date Filing Date
EP96108918A Expired - Lifetime EP0741012B1 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement des vibrations
EP92109673A Expired - Lifetime EP0519301B1 (fr) 1991-06-15 1992-06-09 Cylindre de machine à imprimer avec amortissement des vibrations
EP97120691A Withdrawn EP0832740A3 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement de vibrations

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP96108918A Expired - Lifetime EP0741012B1 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement des vibrations

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97120691A Withdrawn EP0832740A3 (fr) 1991-06-15 1992-06-09 Cylindre pour machine à imprimer avec amortissement de vibrations

Country Status (5)

Country Link
US (1) US5226365A (fr)
EP (3) EP0741012B1 (fr)
JP (1) JP2878023B2 (fr)
DE (4) DE4119825C1 (fr)
RU (1) RU2046039C1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040214A1 (fr) * 1997-03-11 1998-09-17 Koenig & Bauer Ag Cylindre pour machines a imprimer
WO1999024195A1 (fr) * 1997-11-07 1999-05-20 Koenig & Bauer Aktiengesellschaft Produit semi-fini comportant un noyau en mousse metallique
DE19928882B4 (de) * 1998-07-14 2009-02-19 Goss International Americas, Inc.(N.D.Ges.D. Staates Delaware) Zugwalzen/Zugring-Kombination in einer Rollenrotationsdruckmaschine
EP2762314A1 (fr) * 2013-02-01 2014-08-06 INOMETA GmbH & Co. KG Cylindre rotatif
WO2016142387A1 (fr) * 2015-03-12 2016-09-15 Gottfried Wilhelm Leibniz Universität Hannover Rouleau d'impression, en particulier rouleau d'impression flexographique
US20180274619A1 (en) * 2017-03-21 2018-09-27 Wegu Gmbh Schwingungsdaempfung Vibration Absorber Having an Absorber Mass with Limited Deflection Amplitude

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4212790C2 (de) * 1992-04-16 1996-04-04 Roland Man Druckmasch Zylinder für Rotationsdruckmaschinen
DE4234928A1 (de) * 1992-10-16 1994-04-21 Heidelberger Druckmasch Ag Vorrichtung und Verfahren zur Dämpfung von mechanischen Schwingungen von Druckmaschinen
FR2723625B1 (fr) * 1994-08-09 1996-11-08 Heidelberg Harris Sa Procede et dispositif d'amortissement des vibrations en flexion des cylindres dans une presse a imprimer.
DE19647069A1 (de) * 1996-11-14 1998-05-20 Heidelberger Druckmasch Ag Gußkörper
DE19853702A1 (de) * 1998-11-20 2000-05-31 Koenig & Bauer Ag Zylinder für Druckmaschinen
DE19963945C1 (de) * 1999-12-31 2001-07-19 Koenig & Bauer Ag Verfahren und Anordnung zur Kompensation von Schwingungen rotierender Bauteile
DE20221793U1 (de) * 2002-10-31 2007-10-31 Koenig & Bauer Aktiengesellschaft Rotationskörper einer Druckmaschine mit einem Ballen
DE10250690B4 (de) * 2002-10-31 2006-03-02 Koenig & Bauer Ag Rotationskörper einer Druckmaschine mit einem Ballen
DE10250689B3 (de) * 2002-10-31 2004-12-09 Koenig & Bauer Ag Verfahren zur Herstellung eines Rotationskörpers sowie ein danach hergestellter Rotationskörper
DE10250691B4 (de) * 2002-10-31 2006-03-02 Koenig & Bauer Ag Rotationskörper einer Druckmaschine mit einem Grundkörper
DE10321361B4 (de) * 2003-05-13 2007-02-15 Koenig & Bauer Ag Walze einer Druckmaschine mit Schwingungsdämfung
DE102009055767A1 (de) * 2009-11-25 2011-06-01 Fischer & Krecke Gmbh Druckzylinderanordnung für eine Rotationsdruckmaschine
CN102286815A (zh) * 2011-07-20 2011-12-21 焦作市卷烟材料有限公司 相对无振动和噪声的纺丝罗拉

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066533B (de) * 1959-10-08 Wien Otto Gruber Walze, insbesondere für den Textildruck od. dgl. und Verfahren zu deren Herstellung
CH417228A (fr) * 1962-08-23 1967-01-31 George Richards & Company Limi Appareil pour amortir les vibrations d'un corps
FR2289806A1 (fr) * 1974-11-02 1976-05-28 Freudenberg Carl Amortisseur de vibrations
GB2073368A (en) * 1980-03-25 1981-10-14 Will E C H Gmbh & Co Device for damping the oscillations of rotary components of printing mechanisms
EP0198649A2 (fr) * 1985-04-15 1986-10-22 Melles Griot, Irvine Company Appareil à amortisseur de vibrations
EP0210635A2 (fr) * 1985-08-02 1987-02-04 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre d'impression avec un dispositif pour réduire les vibrations de torsion et de flexion causées par le canal du cylindre
DE3632418A1 (de) * 1986-09-24 1988-03-31 Bayerische Motoren Werke Ag Anordnung zur schwingungsdaempfung eines hohlfoermigen bauteils

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DE2437454B2 (de) * 1974-08-03 1976-12-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Druckwiderlager fuer druckwerke
DE3012060A1 (de) * 1980-03-28 1981-10-08 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Schwingungsunempfindlicher zylinder fuer druckmaschinen
US4453848A (en) * 1982-05-24 1984-06-12 Florida Data Corporation Noise-reducing platen
DE3230118C1 (de) * 1982-08-13 1984-05-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Druckwerkzylinder mit einer Vorrichtung zur Reduzierung der durch die Kanalueberrollung angeregten Biegeschwingungen
DE3230120C2 (de) * 1982-08-13 1984-08-09 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Druckwerkzylinder mit einer Vorrichtung zur Reduzierung der durch die Kanalüberrollung angeregten Biegeschwingungen
DE3410689A1 (de) * 1984-03-23 1985-10-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung an der speichertrommel einer bogenoffsetdruckmaschine fuer wahlweisen schoen- und widerdruck
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JPS61248762A (ja) * 1985-04-26 1986-11-06 Canon Inc プリンタ
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066533B (de) * 1959-10-08 Wien Otto Gruber Walze, insbesondere für den Textildruck od. dgl. und Verfahren zu deren Herstellung
CH417228A (fr) * 1962-08-23 1967-01-31 George Richards & Company Limi Appareil pour amortir les vibrations d'un corps
FR2289806A1 (fr) * 1974-11-02 1976-05-28 Freudenberg Carl Amortisseur de vibrations
GB2073368A (en) * 1980-03-25 1981-10-14 Will E C H Gmbh & Co Device for damping the oscillations of rotary components of printing mechanisms
EP0198649A2 (fr) * 1985-04-15 1986-10-22 Melles Griot, Irvine Company Appareil à amortisseur de vibrations
EP0210635A2 (fr) * 1985-08-02 1987-02-04 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre d'impression avec un dispositif pour réduire les vibrations de torsion et de flexion causées par le canal du cylindre
DE3632418A1 (de) * 1986-09-24 1988-03-31 Bayerische Motoren Werke Ag Anordnung zur schwingungsdaempfung eines hohlfoermigen bauteils

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040214A1 (fr) * 1997-03-11 1998-09-17 Koenig & Bauer Ag Cylindre pour machines a imprimer
US6435087B1 (en) 1997-03-11 2002-08-20 Koenig & Bauer Aktiengesellschaft Printing press cylinder having metal foam interior and method of making
CN1092105C (zh) * 1997-03-11 2002-10-09 柯尼格及包尔公开股份有限公司 印刷机滚筒
WO1999024195A1 (fr) * 1997-11-07 1999-05-20 Koenig & Bauer Aktiengesellschaft Produit semi-fini comportant un noyau en mousse metallique
US6484402B2 (en) 1997-11-07 2002-11-26 Koenig & Bauer Aktiengesellschaft Rollers or cylinders with a metallic foam core
DE19928882B4 (de) * 1998-07-14 2009-02-19 Goss International Americas, Inc.(N.D.Ges.D. Staates Delaware) Zugwalzen/Zugring-Kombination in einer Rollenrotationsdruckmaschine
EP2762314A1 (fr) * 2013-02-01 2014-08-06 INOMETA GmbH & Co. KG Cylindre rotatif
WO2016142387A1 (fr) * 2015-03-12 2016-09-15 Gottfried Wilhelm Leibniz Universität Hannover Rouleau d'impression, en particulier rouleau d'impression flexographique
CN107438521A (zh) * 2015-03-12 2017-12-05 汉诺威莱布尼兹大学 印刷辊、特别是柔性印刷辊
CN107438521B (zh) * 2015-03-12 2019-06-21 汉诺威莱布尼兹大学 印刷辊、特别是柔性印刷辊
US20180274619A1 (en) * 2017-03-21 2018-09-27 Wegu Gmbh Schwingungsdaempfung Vibration Absorber Having an Absorber Mass with Limited Deflection Amplitude
US10626945B2 (en) * 2017-03-21 2020-04-21 Wegu Gmbh Schwingungsdaempfung Vibration absorber having an absorber mass with limited deflection amplitude

Also Published As

Publication number Publication date
DE9116366U1 (fr) 1992-09-24
EP0519301B1 (fr) 1998-09-02
EP0832740A2 (fr) 1998-04-01
RU2046039C1 (ru) 1995-10-20
DE4119825C1 (fr) 1992-12-03
DE59209478D1 (de) 1998-10-08
JP2878023B2 (ja) 1999-04-05
EP0741012A2 (fr) 1996-11-06
JPH05169619A (ja) 1993-07-09
US5226365A (en) 1993-07-13
EP0741012B1 (fr) 2001-11-28
EP0741012A3 (fr) 2000-05-17
DE59209937D1 (de) 2002-01-10
EP0832740A3 (fr) 1998-04-08

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