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EP1070994A3 - Druckvorrichtung - Google Patents

Druckvorrichtung Download PDF

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Publication number
EP1070994A3
EP1070994A3 EP00114686A EP00114686A EP1070994A3 EP 1070994 A3 EP1070994 A3 EP 1070994A3 EP 00114686 A EP00114686 A EP 00114686A EP 00114686 A EP00114686 A EP 00114686A EP 1070994 A3 EP1070994 A3 EP 1070994A3
Authority
EP
European Patent Office
Prior art keywords
nip
radius
cylinder
circular shape
image 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
EP00114686A
Other languages
English (en)
French (fr)
Other versions
EP1070994A2 (de
EP1070994B1 (de
Inventor
Patrick Metzler
Chris Liston
Rodney Bucks
Karlheinz Dr. Peter
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.)
Eastman Kodak Co
Original Assignee
NexPress Solutions LLC
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 NexPress Solutions LLC filed Critical NexPress Solutions LLC
Publication of EP1070994A2 publication Critical patent/EP1070994A2/de
Publication of EP1070994A3 publication Critical patent/EP1070994A3/de
Application granted granted Critical
Publication of EP1070994B1 publication Critical patent/EP1070994B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1605—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support
    • G03G15/162—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support details of the the intermediate support, e.g. chemical composition

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Glass Compositions (AREA)
  • Noodles (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

Die Erfindung betrifft eine Druckvorrichtung (1) mit einem Bildzylinder (2), einer Bilderzeugungseinrichtung (3) zur Bebilderung der Mantelfläche (4) des Bildzylinders (2) und einem Übertragungszylinder (5), der das Bild vom Bildzylinder (2) auf einen Bedruckstoff (6) überträgt, wobei der Übertragungszylinder (5) einen elastischen Mantel (7) besitzt, der am Bildübertragungsbereich (8) vom Bildzylinder (2) eine Verformung (9) aufweist und wobei einer der Zylinder (2 oder 5) den anderen über Friktion antreibt.
Solche Druckvorrichtungen weisen infolge einer Unrundheit des Bildzylinders (2) Registerfehler innerhalb der einzelnen durch die Druckvorrichtungen (1) erzeugten Drucke auf. Der Erfindung liegt daher die Aufgabe zugrunde, derartige Registerfehler zu vermeiden. Dies wird dadurch erreicht, daß der Radius (rPC) des Bildzylinders (2), der Radius (rIT) des Übertragungszylinders (5), das Material und die Ausgestaltung des elastischen Mantels (7) und die Lagerung (10, 11) der Zylinder (2, 5) derart ausgewählt und ausgestaltet sind, daß sich für den über die Friktion angetriebenen Zylinder (2 oder 5) ein von Änderungen des Engagements (Eng) - infolge einer Unrundheit des Bildzylinders (2) - abhängiger Overdrive
Figure 80000001
ergibt, durch den die durch die Unrundheit des Bildzylinders (2) bedingten möglichen Bildfehler vermieden werden.
EP00114686A 1999-07-23 2000-07-08 Druckvorrichtung Expired - Lifetime EP1070994B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934658 1999-07-23
DE19934658A DE19934658A1 (de) 1999-07-23 1999-07-23 Druckvorrichtung

Publications (3)

Publication Number Publication Date
EP1070994A2 EP1070994A2 (de) 2001-01-24
EP1070994A3 true EP1070994A3 (de) 2002-01-02
EP1070994B1 EP1070994B1 (de) 2004-09-22

Family

ID=7915863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114686A Expired - Lifetime EP1070994B1 (de) 1999-07-23 2000-07-08 Druckvorrichtung

Country Status (3)

Country Link
EP (1) EP1070994B1 (de)
AT (1) ATE277368T1 (de)
DE (2) DE19934658A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10208597B4 (de) * 2002-02-27 2013-03-21 Eastman Kodak Co. Verfahren zum Vermeiden von Registerfehlern bei einer Druckmaschine
DE102006009773A1 (de) * 2006-03-01 2007-09-06 Eastman Kodak Co. Verfahren zum Vermeiden eines Passerfehlers beim Drucken
DE102008045403A1 (de) * 2008-09-02 2010-03-04 Fischer & Krecke Gmbh Verfahren zur Herstellung des Gleichlaufs meherer Druckzylinder
DE102008045402A1 (de) * 2008-09-02 2010-03-04 Fischer & Krecke Gmbh Verfahren zum Betrieb einer Zentralzylinder-Druckmaschine
DE102010015628B4 (de) * 2009-04-20 2017-11-23 Lenze Automation Gmbh Verfahren zur Drehzahlsteuerung von Walzen in einer Druckmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01280783A (ja) * 1988-05-07 1989-11-10 Canon Inc 画像形成装置
JPH04281485A (ja) * 1991-03-08 1992-10-07 Fujitsu Ltd 像転写装置
JPH1115294A (ja) * 1997-06-23 1999-01-22 Fuji Xerox Co Ltd 中間転写体、画像記録装置および画像記録方法
JPH11190925A (ja) * 1997-12-25 1999-07-13 Canon Inc 画像形成装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791860A3 (de) * 1989-08-14 1997-12-03 Indigo N.V. Organischer Photoleiter
GB2283702B (en) * 1993-10-13 1997-04-09 Seiko Epson Corp Contact transfer device and image forming equipment
US5732314A (en) * 1993-11-26 1998-03-24 Canon Kabushiki Kaisha Image forming apparatus comprising image bearing member, intermediate image transfer member and secondary image transfer member for facilitating transfer of developed image from intermediate image transfer member to transfer material
US5669052A (en) * 1995-06-06 1997-09-16 Canon Kabushiki Kaisha Image forming apparatus and intermediate transfer member
KR100200620B1 (ko) * 1996-09-13 1999-06-15 윤종용 양면인쇄가 가능한 전자사진방식 프린터
JPH10207259A (ja) * 1997-01-16 1998-08-07 Fuji Xerox Co Ltd 画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01280783A (ja) * 1988-05-07 1989-11-10 Canon Inc 画像形成装置
JPH04281485A (ja) * 1991-03-08 1992-10-07 Fujitsu Ltd 像転写装置
JPH1115294A (ja) * 1997-06-23 1999-01-22 Fuji Xerox Co Ltd 中間転写体、画像記録装置および画像記録方法
JPH11190925A (ja) * 1997-12-25 1999-07-13 Canon Inc 画像形成装置

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 054 (P - 0999) 31 January 1990 (1990-01-31) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 078 (P - 1488) 16 February 1993 (1993-02-16) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 04 30 April 1999 (1999-04-30) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 12 29 October 1999 (1999-10-29) *

Also Published As

Publication number Publication date
ATE277368T1 (de) 2004-10-15
DE19934658A1 (de) 2001-01-25
EP1070994A2 (de) 2001-01-24
DE50007852D1 (de) 2004-10-28
EP1070994B1 (de) 2004-09-22

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