EP1170237A3 - Method for aligning sheet material - Google Patents

Method for aligning sheet material Download PDF

Info

Publication number
EP1170237A3
EP1170237A3 EP01110274A EP01110274A EP1170237A3 EP 1170237 A3 EP1170237 A3 EP 1170237A3 EP 01110274 A EP01110274 A EP 01110274A EP 01110274 A EP01110274 A EP 01110274A EP 1170237 A3 EP1170237 A3 EP 1170237A3
Authority
EP
European Patent Office
Prior art keywords
sheet
alignment
rotation
central axis
sheet material
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
EP01110274A
Other languages
German (de)
French (fr)
Other versions
EP1170237A2 (en
EP1170237B1 (en
Inventor
Dieter Dobberstein
Joachim Haupt
Karlheinz Dr. Peter
Jürgen Sahlmann
Gerhard Sing
Rolf Spilz
Hans-Günter Staack
Frank Pierel
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 EP1170237A2 publication Critical patent/EP1170237A2/en
Publication of EP1170237A3 publication Critical patent/EP1170237A3/en
Application granted granted Critical
Publication of EP1170237B1 publication Critical patent/EP1170237B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/002—Registering, e.g. orientating, articles; Devices therefor changing orientation of sheet by only controlling movement of the forwarding means, i.e. without the use of stop or register wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/20—Assisting by photoelectric, sonic, or pneumatic indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors

Landscapes

  • Registering Or Overturning Sheets (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Cell Separators (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

The invention relates to a method for the alignment of sheet-like material (1). Its alignment occurs via rotation elements (25), wherein the sheet-like material (1) is rotated around its central axis in order to print on the front and backsides. During the rotation of the sheet-like material (1) around its central axis, the material's leading edge (23) remains in its aligned position. Into the conveyor surface (9) is incorporated a sensor pair (30), preferably in the form of CCD line sensors, with which the sheet-like material (1) is aligned on the same lateral edge (24) following the rotation, as is the case during the alignment procedure of the sheet-like material (1) before it is rotated around its center axis.
EP01110274A 2000-05-17 2001-04-26 Method for aligning sheet material Expired - Lifetime EP1170237B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10023919 2000-05-17
DE10023919A DE10023919A1 (en) 2000-05-17 2000-05-17 Method for alignment of print sheets for use with a sheet printer ensures that the sheets remain precisely aligned even after turning over of the sheets by use of CCD row-type sensors for detecting the sheet edge

Publications (3)

Publication Number Publication Date
EP1170237A2 EP1170237A2 (en) 2002-01-09
EP1170237A3 true EP1170237A3 (en) 2003-01-29
EP1170237B1 EP1170237B1 (en) 2006-07-12

Family

ID=7642223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110274A Expired - Lifetime EP1170237B1 (en) 2000-05-17 2001-04-26 Method for aligning sheet material

Country Status (5)

Country Link
US (1) US20020017755A1 (en)
EP (1) EP1170237B1 (en)
JP (1) JP2002019999A (en)
AT (1) ATE332863T1 (en)
DE (2) DE10023919A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761351B1 (en) * 2003-01-30 2004-07-13 Xerox Corporation Registration system effective drive roll radius compensation
US7036811B2 (en) * 2003-01-30 2006-05-02 Xerox Corporation Registration system paper path length compensation
DE102005060772B4 (en) * 2005-12-16 2010-02-18 Eastman Kodak Co. Method for detecting an edge of a printing substrate
US7712738B2 (en) * 2006-12-06 2010-05-11 Xerox Corporation Gain-scheduled feedback document handling control system
US7712737B2 (en) * 2006-12-06 2010-05-11 Xerox Corporation Gain-scheduled feedback document handling control system
JP5043492B2 (en) 2007-04-02 2012-10-10 キヤノン株式会社 Sheet conveying apparatus and image forming apparatus
JP4958670B2 (en) * 2007-07-24 2012-06-20 キヤノン株式会社 Image processing device
JP2011046492A (en) 2009-08-27 2011-03-10 Canon Inc Sheet carrying device and image forming device
JP2011153032A (en) * 2011-05-19 2011-08-11 Ricoh Co Ltd Sheet conveying device and image forming apparatus
JP5822585B2 (en) 2011-07-28 2015-11-24 キヤノン株式会社 Image forming apparatus
JP6769266B2 (en) * 2016-11-30 2020-10-14 コニカミノルタ株式会社 Image forming device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3618086A1 (en) * 1985-05-30 1986-12-04 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa IMAGE GENERATION DEVICE WITH CORRECTION FUNCTION FOR THE IMAGE GENERATION POSITION
US5293205A (en) * 1992-01-13 1994-03-08 Delphax Systems Side to side sheet inverter
US5697609A (en) * 1996-06-26 1997-12-16 Xerox Corporation Lateral sheet pre-registration device
EP0819636A1 (en) * 1996-07-18 1998-01-21 Océ-Technologies B.V. A printing device with an aligning station for printing aligned receiving sheets on both sides

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04362661A (en) * 1991-06-10 1992-12-15 Fuji Xerox Co Ltd Paper inverting and carrying device for image forming device
US5322273A (en) * 1993-05-18 1994-06-21 Eastman Kodak Company Sheet registration mechanism
JPH08143185A (en) * 1994-11-25 1996-06-04 Ricoh Co Ltd Image forming device
JPH09267528A (en) * 1996-03-29 1997-10-14 Ricoh Co Ltd Recording paper reversing apparatus
JPH10153891A (en) * 1996-11-25 1998-06-09 Fuji Xerox Co Ltd Image forming device
US5887996A (en) * 1998-01-08 1999-03-30 Xerox Corporation Apparatus and method for sheet registration using a single sensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3618086A1 (en) * 1985-05-30 1986-12-04 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa IMAGE GENERATION DEVICE WITH CORRECTION FUNCTION FOR THE IMAGE GENERATION POSITION
US5293205A (en) * 1992-01-13 1994-03-08 Delphax Systems Side to side sheet inverter
US5697609A (en) * 1996-06-26 1997-12-16 Xerox Corporation Lateral sheet pre-registration device
EP0819636A1 (en) * 1996-07-18 1998-01-21 Océ-Technologies B.V. A printing device with an aligning station for printing aligned receiving sheets on both sides

Also Published As

Publication number Publication date
US20020017755A1 (en) 2002-02-14
ATE332863T1 (en) 2006-08-15
JP2002019999A (en) 2002-01-23
DE50110435D1 (en) 2006-08-24
DE10023919A1 (en) 2001-11-22
EP1170237A2 (en) 2002-01-09
EP1170237B1 (en) 2006-07-12

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