EP1038672A3 - Device for tensioning of printing plates in lock-up gaps having a reduced size - Google Patents

Device for tensioning of printing plates in lock-up gaps having a reduced size Download PDF

Info

Publication number
EP1038672A3
EP1038672A3 EP00103375A EP00103375A EP1038672A3 EP 1038672 A3 EP1038672 A3 EP 1038672A3 EP 00103375 A EP00103375 A EP 00103375A EP 00103375 A EP00103375 A EP 00103375A EP 1038672 A3 EP1038672 A3 EP 1038672A3
Authority
EP
European Patent Office
Prior art keywords
printing form
tensioning
gaps
lock
tensioning shaft
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
EP00103375A
Other languages
German (de)
French (fr)
Other versions
EP1038672A2 (en
EP1038672B1 (en
Inventor
Frank Chagnon
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.)
Goss International Montataire SA
Original Assignee
Heidelberger 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
Priority claimed from DE19913701A external-priority patent/DE19913701A1/en
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1038672A2 publication Critical patent/EP1038672A2/en
Publication of EP1038672A3 publication Critical patent/EP1038672A3/en
Application granted granted Critical
Publication of EP1038672B1 publication Critical patent/EP1038672B1/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
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Abstract

Die Erfindung bezieht sich auf eine Vorrichtung zum Halten einer Druckform (16) am Umfang eines Druckformzylinders (20), wobei die Vorderkante (17) der Druckform (16) eines sich entlang der Umfangsfläche des Zylinders (20) erstreckenden Spannkanals (19) übergreift und die Hinterkante (18) der biegsamen Druckform (16) durch mindestens ein an einer Spannwelle (1) befestigtes, federndes Halteelement (2) fixierbar ist. Die einzelnen federnden Halteelemente (2) sind nebeneinanderliegend angeordnet. An der Spannwelle (1) sind individuell gelagerte Federelemente (2) befestigt, die bei Betätigung der Spannwelle (1) mittels einer Stelleinheit (11) die Hinterkante (18) einer Druckform (16) mit Spiel (T) hintergreifen.

Figure 00000001
The invention relates to a device for holding a printing form (16) on the circumference of a printing form cylinder (20), the front edge (17) of the printing form (16) overlapping and extending over a clamping channel (19) extending along the circumferential surface of the cylinder (20) the rear edge (18) of the flexible printing form (16) can be fixed by at least one resilient holding element (2) attached to a tensioning shaft (1). The individual resilient holding elements (2) are arranged side by side. Individually mounted spring elements (2) are fastened to the tensioning shaft (1), which engage the rear edge (18) of a printing form (16) with play (T) when the tensioning shaft (1) is actuated by means of an adjusting unit (11).
Figure 00000001
EP00103375A 1999-03-26 2000-02-23 Device for tensioning of printing plates in lock-up gaps having a reduced size Expired - Lifetime EP1038672B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19913701 1999-03-26
DE19913701A DE19913701A1 (en) 1999-03-26 1999-03-26 Printing plate mounting system, using spring fittings engaging with rear edge of plate and allowing play
FR0000635A FR2791300B1 (en) 1999-03-26 2000-01-19 DEVICE FOR FIXING PRINTING PLATES IN FIXING CHANNELS OF REDUCED SIZE
FR0000635 2000-01-19

Publications (3)

Publication Number Publication Date
EP1038672A2 EP1038672A2 (en) 2000-09-27
EP1038672A3 true EP1038672A3 (en) 2001-04-11
EP1038672B1 EP1038672B1 (en) 2003-12-03

Family

ID=26052594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00103375A Expired - Lifetime EP1038672B1 (en) 1999-03-26 2000-02-23 Device for tensioning of printing plates in lock-up gaps having a reduced size

Country Status (4)

Country Link
US (1) US6601508B1 (en)
EP (1) EP1038672B1 (en)
JP (1) JP4921628B2 (en)
AT (1) ATE255502T1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342740A1 (en) * 2003-09-16 2005-04-21 Goss Int Montataire Sa Method for changing the mounting state of a printing form on a printing form cylinder
DE102004034049A1 (en) * 2004-07-13 2006-02-09 Man Roland Druckmaschinen Ag Form cylinder of a web-fed rotary printing machine
JP4699106B2 (en) * 2005-06-24 2011-06-08 三菱重工印刷紙工機械株式会社 Holding device
US20080216691A1 (en) * 2007-03-05 2008-09-11 Stephens Ronald F Printing plate lock mechanisms

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727551A (en) * 1971-07-22 1973-04-17 North American Rockwell Reversible lockup for flexible printing plate
US5213038A (en) * 1991-09-19 1993-05-25 Komori Corporation Plate exchange apparatus for rotary press
EP0639454A1 (en) * 1993-08-20 1995-02-22 Heidelberger Druckmaschinen Aktiengesellschaft Device with a retractable hook for holding a printing plate on a plate cylinder in a rotary printing machine and rotary printing machine with such a device
EP0680826A2 (en) * 1994-05-04 1995-11-08 MAN Roland Druckmaschinen AG Device for securing a flexible printing plate
DE29600845U1 (en) * 1996-01-19 1996-03-07 MAN Roland Druckmaschinen AG, 63075 Offenbach Device for fastening a covering on a printing unit cylinder
EP0741021A1 (en) * 1995-05-04 1996-11-06 Heidelberger Druckmaschinen Aktiengesellschaft Device for connecting securing devices with cross members of a form cylinder
DE19729375A1 (en) * 1997-07-09 1999-01-14 Ltg Lufttechnische Gmbh Device for fastening a flexible plate on the circumference of the cylinder of a painting machine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198376B (en) * 1964-04-29 1965-08-12 Roland Offsetmaschf Arrangement for fastening the rubber blanket on the rubber cylinder of offset printing machines
US3757691A (en) 1972-06-12 1973-09-11 North American Rockwell Printing cylinder
DE4234332A1 (en) * 1992-10-12 1994-04-14 Heidelberger Druckmasch Ag Clamping device for attaching a flexible printing form to the outer surface of a cylinder
FR2709091B1 (en) 1993-08-20 1995-11-10 Heidelberg Harris Sa Interchangeable blade device for holding a printing plate on a plate cylinder in a rotary printer, and blade disassembly tool.
DE4404758C2 (en) 1994-02-15 1996-06-27 Roland Man Druckmasch Method and device for changing the covering of a cylinder of a web-fed rotary printing press
FR2718675B1 (en) 1994-04-18 1996-07-12 Heidelberg Harris Sa Device for exchanging pictures of rotary printing machines.
DE19509563C2 (en) * 1995-03-16 1997-01-23 Koenig & Bauer Albert Ag Cylinder with a device for clamping plates
FR2732267B1 (en) 1995-03-31 1997-06-20 Heidelberg Harris Sa DEVICE FOR CHANGING PRINTING FORMS
JPH0966598A (en) * 1995-08-31 1997-03-11 Komori Corp Plate mounting structure for rotary press
FR2776566B1 (en) * 1998-03-27 2000-06-16 Heidelberger Druckmasch Ag PRINTING GROUP CYLINDER HAVING A PRINTING PLATE WITH ELBOWED ENDS, FIXED ON HIM, FOR ROTARY PRINTING MACHINES
FR2776567B1 (en) * 1998-03-31 2000-06-16 Heidelberger Druckmasch Ag DEVICE FOR HOLDING A PRINTING PLATE ON A PLATE-HOLDING CYLINDER OF A ROTARY PRINTING MACHINE
DE10003937C2 (en) * 2000-01-29 2003-02-27 Roland Man Druckmasch Device for attaching flexible printing forms

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727551A (en) * 1971-07-22 1973-04-17 North American Rockwell Reversible lockup for flexible printing plate
US5213038A (en) * 1991-09-19 1993-05-25 Komori Corporation Plate exchange apparatus for rotary press
EP0639454A1 (en) * 1993-08-20 1995-02-22 Heidelberger Druckmaschinen Aktiengesellschaft Device with a retractable hook for holding a printing plate on a plate cylinder in a rotary printing machine and rotary printing machine with such a device
EP0680826A2 (en) * 1994-05-04 1995-11-08 MAN Roland Druckmaschinen AG Device for securing a flexible printing plate
EP0741021A1 (en) * 1995-05-04 1996-11-06 Heidelberger Druckmaschinen Aktiengesellschaft Device for connecting securing devices with cross members of a form cylinder
DE29600845U1 (en) * 1996-01-19 1996-03-07 MAN Roland Druckmaschinen AG, 63075 Offenbach Device for fastening a covering on a printing unit cylinder
DE19729375A1 (en) * 1997-07-09 1999-01-14 Ltg Lufttechnische Gmbh Device for fastening a flexible plate on the circumference of the cylinder of a painting machine

Also Published As

Publication number Publication date
JP2000301694A (en) 2000-10-31
EP1038672A2 (en) 2000-09-27
EP1038672B1 (en) 2003-12-03
ATE255502T1 (en) 2003-12-15
JP4921628B2 (en) 2012-04-25
US6601508B1 (en) 2003-08-05

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