EP0425935A3 - Device for the parallel tensioning of printing plates - Google Patents

Device for the parallel tensioning of printing plates Download PDF

Info

Publication number
EP0425935A3
EP0425935A3 EP19900120083 EP90120083A EP0425935A3 EP 0425935 A3 EP0425935 A3 EP 0425935A3 EP 19900120083 EP19900120083 EP 19900120083 EP 90120083 A EP90120083 A EP 90120083A EP 0425935 A3 EP0425935 A3 EP 0425935A3
Authority
EP
European Patent Office
Prior art keywords
tensioning
printing plates
levers
parallel tensioning
springs
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
EP19900120083
Other languages
German (de)
Other versions
EP0425935B1 (en
EP0425935A2 (en
Inventor
Manfred Herold
Herbert Rebel
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT90120083T priority Critical patent/ATE101360T1/en
Publication of EP0425935A2 publication Critical patent/EP0425935A2/en
Publication of EP0425935A3 publication Critical patent/EP0425935A3/en
Application granted granted Critical
Publication of EP0425935B1 publication Critical patent/EP0425935B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/1225—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly
    • B41F27/1231—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly by translatory motion substantially tangential to support surface

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Rotary Presses (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

In order that the tension, particularly of large printing plates, and their automatic retensioning, may be regulated uniformly over the entire width without having an adverse effect on the final tensioning by means of tensioning screws (11), a tensioning lever (15, 16) is associated with each tensioning screw and is pivotally connected to a divided rear tensioning bar (4). The tensioning levers bear via lugs (17) on a pressure strip (9) movable in the cylinder gap, there being springs (12) acting on the free ends of the levers.
EP90120083A 1989-11-02 1990-10-19 Device for the parallel tensioning of printing plates Expired - Lifetime EP0425935B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90120083T ATE101360T1 (en) 1989-11-02 1990-10-19 DEVICE FOR PARALLEL CLAMPING OF PRINTING PLATES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3936459A DE3936459C1 (en) 1989-11-02 1989-11-02
DE3936459 1989-11-02

Publications (3)

Publication Number Publication Date
EP0425935A2 EP0425935A2 (en) 1991-05-08
EP0425935A3 true EP0425935A3 (en) 1991-09-04
EP0425935B1 EP0425935B1 (en) 1994-02-09

Family

ID=6392713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120083A Expired - Lifetime EP0425935B1 (en) 1989-11-02 1990-10-19 Device for the parallel tensioning of printing plates

Country Status (5)

Country Link
US (1) US5076167A (en)
EP (1) EP0425935B1 (en)
JP (1) JPH0749220B2 (en)
AT (1) ATE101360T1 (en)
DE (2) DE3936459C1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933678A1 (en) * 1989-10-09 1991-04-18 Miller Johannisberg Druckmasch DEVICE FOR ACCURATELY POSITIONING A PRINT PLATE ON A PRINT CYLINDER
DE4034494C1 (en) * 1990-10-30 1992-03-05 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4111636C1 (en) * 1991-04-10 1992-07-30 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
WO1993021017A1 (en) * 1992-04-13 1993-10-28 Toyo Ink Manufacturing Co., Ltd. Image transfer apparatus
DE4214167A1 (en) * 1992-04-30 1993-11-04 Roland Man Druckmasch DEVICE FOR RESTRICTING PRINTING PLATES ON THE PLATE CYLINDER OF PRINTING MACHINES, IN PARTICULAR BOW OFFSET PRINTING MACHINES
DE4219870C2 (en) * 1992-06-17 2002-07-18 Heidelberger Druckmasch Ag Automatic plate change procedure
US5347928A (en) * 1992-10-29 1994-09-20 Sakurai Graphic Systems Corporation Plate clamping unit for offset press
DE4244279C2 (en) * 1992-12-28 1995-05-18 Heidelberger Druckmasch Ag Printing form correction device to compensate for printing medium strains

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1471777A (en) * 1966-03-18 1967-03-03 Schnellpressenfab Heidelberg Quick clamping device on printing machine cylinders
DE2501511A1 (en) * 1975-01-16 1976-07-22 Maschf Augsburg Nuernberg Ag DEVICE FOR FASTENING A FLEXIBLE PRINTING PLATE ON THE PLATE CYLINDER OF A ROTARY PRINTING MACHINE
EP0425936A2 (en) * 1989-11-02 1991-05-08 MAN Roland Druckmaschinen AG Device for quickly registering, fixing and tensioning printing plates

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5967055A (en) * 1982-10-09 1984-04-16 Komori Printing Mach Co Ltd Plate backup device for sheet-fed rotary press
DE3516682A1 (en) * 1985-05-09 1986-11-13 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach DEVICE FOR PARALLELLY TENSIONING PRINTING PLATES ON THE PLATE CYLINDER OF PRINTING MACHINES
DE3606351A1 (en) * 1986-02-27 1987-09-03 Heidelberger Druckmasch Ag DEVICE FOR CLAMPING FLEXIBLE PRINTING PLATES ON THE PLATE CYLINDER OF ROTARY PRINTING MACHINES
DE3866063D1 (en) * 1987-08-25 1991-12-12 Heidelberger Druckmasch Ag DEVICE FOR CLAMPING FLEXIBLE PRINTING PLATES ON THE PLATE CYLINDER OF ROTARY PRINTING MACHINES.
DE3731684A1 (en) * 1987-09-21 1989-04-06 Koenig & Bauer Ag CLAMPING DEVICE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1471777A (en) * 1966-03-18 1967-03-03 Schnellpressenfab Heidelberg Quick clamping device on printing machine cylinders
DE2501511A1 (en) * 1975-01-16 1976-07-22 Maschf Augsburg Nuernberg Ag DEVICE FOR FASTENING A FLEXIBLE PRINTING PLATE ON THE PLATE CYLINDER OF A ROTARY PRINTING MACHINE
EP0425936A2 (en) * 1989-11-02 1991-05-08 MAN Roland Druckmaschinen AG Device for quickly registering, fixing and tensioning printing plates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 8, no. 174 (M-316)(1611) 10. August 1984 & JP-A-59 67 055 (KOMORI INSATSU KIKAI K.K. ) 16. April 1984 *

Also Published As

Publication number Publication date
DE3936459C1 (en) 1991-04-18
JPH0749220B2 (en) 1995-05-31
ATE101360T1 (en) 1994-02-15
EP0425935B1 (en) 1994-02-09
US5076167A (en) 1991-12-31
EP0425935A2 (en) 1991-05-08
DE59004549D1 (en) 1994-03-24
JPH03159744A (en) 1991-07-09

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