EP0557729A1 - Dispositif pour fixer un cliché sur un cylindre porte-plaque - Google Patents

Dispositif pour fixer un cliché sur un cylindre porte-plaque Download PDF

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Publication number
EP0557729A1
EP0557729A1 EP93101262A EP93101262A EP0557729A1 EP 0557729 A1 EP0557729 A1 EP 0557729A1 EP 93101262 A EP93101262 A EP 93101262A EP 93101262 A EP93101262 A EP 93101262A EP 0557729 A1 EP0557729 A1 EP 0557729A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
plate
pressure plate
printing
pins
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
EP93101262A
Other languages
German (de)
English (en)
Other versions
EP0557729B1 (fr
Inventor
Claus Simeth
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
Publication of EP0557729A1 publication Critical patent/EP0557729A1/fr
Application granted granted Critical
Publication of EP0557729B1 publication Critical patent/EP0557729B1/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
    • 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

Definitions

  • the prior art has the disadvantage that when a register correction is carried out, the registration error is only remedied locally, while it still exists at other points on the printing plate, because the printing plate has not shifted completely during the register correction.
  • the known constructions take up a lot of space and also have a high weight, in particular due to the two clamping strips. This weight is reflected in the imbalance in the operation of the machine, which in turn must be compensated for with suitable means.
  • the invention is characterized in that a plurality of spring elements are fastened in the cylinder pit in the axial direction spaced apart, which are releasably attachable to the rear edge of the pressure plate and spring in the circumferential direction and in the axial direction of the cylinder.
  • the spring elements There are numerous options for the design of the spring elements.
  • a preferred possibility is to design the spring elements as pins which engage in corresponding holes on the rear edge of the pressure plate. This is particularly preferred because such pins in the required directions - in the plane of the rear end of the pressure plate - can be designed to be elastically resilient in a structurally simple manner and also the fastening of the pins to the pressure plate via the holes mentioned is structurally simple.
  • the spring elements can, for example, also be clamped to the rear end of the pressure plate or otherwise releasably attached.
  • the attachment here is particularly easy if the pins have rear receptacles for the printing plate at their upper end.
  • the pressure plate only has to be brought over the pins in a relaxed state in such a way that the pins pass through the holes and the pressure plate is then locked onto the pins by the pressure plate snapping into the receptacles of the pins.
  • the required elasticity of the spring elements can be given to them in a structurally simple manner in that the spring elements are designed as pins, the feet of which are embedded in holders made of elastic material.
  • the elastic material is, for example, a plastic of suitable elasticity or a suitable rubber material.
  • Fig. 1 shows a section of the outer circumference of a plate cylinder 1 in a sectional side view, the actually cylindrical surface 2 of the plate cylinder being drawn for the sake of simplicity.
  • a single cylinder pit 3 is formed on the plate cylinder, the left and right ends of which are shown in FIG. 1 for the sake of illustration.
  • the cylinder rotates in the direction of arrow 4.
  • the left end of Fig. 1 is therefore the start of printing.
  • a pressure plate 5 is clamped on the surface of the cylinder. (For reasons of better illustration, a distance between the pressure plate 5 and the cylinder surface 2 is shown in FIG. 1.)
  • the front end of the pressure plate 5 is clamped in a front clamping bar 6, which thus defines the start of printing.
  • the clamping bar can be moved in the direction of arrow 7, whereby the pressure plate is tensioned.
  • Corresponding measures, which are described in the aforementioned European patent application by the applicant you can adjust the tension bar not only adjustable in the direction of arrow 7 and in the opposite direction, but also in the axial direction of the pit 3 and you can also the tension bar in the plane of Tilt the pressure plate.
  • the rear end of the printing plate is fixed to the printing cylinder in that a plurality of resilient pins 8 are fastened in the cylinder pit, the upper ends of which engage in corresponding holes 9 at the rear end of the printing plate 5.
  • Fig. 3 shows that the pins have at their rear ends receptacles 10, in which the rear edges of the holes 9 of the pressure plate 5 are inserted.
  • Fig. 3 also shows that the holder 11 is attached to a foot 13 which is screwed to the wall 15 of the pit 3 by means of a screw 14.
  • a single foot can also be provided for all pins 8.
  • the described device works as follows. First you clamp the front end of the pressure plate 5 on the front and single clamping bar 6. Then you put the pressure plate 5 around the cylinder surface 2 and fastened its rear end in that the elastic pins 8 pass through the holes 9 of the pressure plate and are fastened there, as shown in FIG. 3. Then the clamping bar 6 is adjusted, if necessary, until the pressure plate is clamped in the register.
  • the register can be corrected again by adjusting the tension bar 6 accordingly.
  • the distance between the pins 8 should be a few centimeters, for example about 3 to 5 cm, in such a way that their elastic force affects practically the entire rear surface of the pressure plate 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP93101262A 1992-02-21 1993-01-28 Dispositif pour fixer un cliché sur un cylindre porte-plaque Expired - Lifetime EP0557729B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4205276A DE4205276A1 (de) 1992-02-21 1992-02-21 Vorrichtung zum aufspannen einer druckplatte auf einen plattenzylinder
DE4205276 1992-02-21

Publications (2)

Publication Number Publication Date
EP0557729A1 true EP0557729A1 (fr) 1993-09-01
EP0557729B1 EP0557729B1 (fr) 1995-06-28

Family

ID=6452241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101262A Expired - Lifetime EP0557729B1 (fr) 1992-02-21 1993-01-28 Dispositif pour fixer un cliché sur un cylindre porte-plaque

Country Status (5)

Country Link
US (1) US5361698A (fr)
EP (1) EP0557729B1 (fr)
JP (1) JPH0790634B2 (fr)
AT (1) ATE124328T1 (fr)
DE (2) DE4205276A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210897C1 (fr) * 1992-04-02 1993-08-12 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
JPH0720757U (ja) * 1993-09-06 1995-04-11 大日本スクリーン製造株式会社 ドラム型走査装置用シート保持装置
DE19610820C2 (de) * 1996-03-19 2002-10-24 Mitsubishi Paper Mills Ltd Befestigungsvorrichtung für eine Druckplatte
DE19707063C1 (de) * 1997-02-22 1998-07-30 Roland Man Druckmasch Verfahren zur Durchführung von Seitenregisterkorrekturen sowie entsprechende Vorrichtung
DE10303178A1 (de) * 2003-01-28 2004-07-29 Heidelberger Druckmaschinen Ag Stanz- und Rill-Gegendruckplatte und Verfahren zu deren Herstellung und Gebrauch sowie damit ausgestattete Maschine
JP4612899B2 (ja) * 2006-02-17 2011-01-12 キヤノン株式会社 シート搬送ローラ、シート搬送装置、及び画像形成装置
US20080028964A1 (en) * 2006-08-04 2008-02-07 Mceachern David A Mounting image carrying plate onto a cylinder
WO2017207006A1 (fr) * 2016-05-31 2017-12-07 Glunz & Jensen Système de broche pour le montage et le démontage faciles de plaques d'impression

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928072A1 (de) * 1968-06-24 1970-01-22 R Hoe & Company Inc Druckwalze
DE2637661A1 (de) * 1975-10-03 1977-04-14 Wifag Maschf Vorrichtung zum aufspannen von biegsamen druckplatten auf eine sattelplatte
GB2010182A (en) * 1977-12-15 1979-06-27 Koenig & Bauer Ag Device for securing a flexible printing plate to a forme cylinder of a web-fed rotary printing press
EP0238804A2 (fr) * 1986-02-27 1987-09-30 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de fixation des clichés souples sur les cylindres de clichés dans les rotatives

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7216860U (de) * 1972-08-03 Koenig & Bauer Ag Spannvorrichtung für biegsame Druckplatten
NL57261C (fr) *
DE426022C (de) * 1925-03-01 1926-03-04 Bruno Adler Vorrichtung zum Einbrennen von Firmen- und sonstigen Angaben in Holz und anderes Material
US3025790A (en) * 1956-04-30 1962-03-20 Larsen Carl Ejner Planographic printing method and apparatus
US3151554A (en) * 1961-09-21 1964-10-06 Fairchild Camera Instr Co Perforated sheet supporting arrangement
US3188952A (en) * 1962-05-08 1965-06-15 Addressograph Multigraph Holding and adjusting means for printing members
US4006686A (en) * 1975-09-18 1977-02-08 Ackerman Stephen P Blanket fastening means for a cylinder blanket
DE3604209A1 (de) * 1986-02-11 1987-08-13 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen
IT1199685B (it) * 1986-12-03 1988-12-30 Ligure Tubettificio Mantello cilindrico porta-cliche'per macchine da stampa litografiche a mantelli estraibili,particolarmente per la stampa su corpi cilindrici e simili
DE3933678A1 (de) * 1989-10-09 1991-04-18 Miller Johannisberg Druckmasch Vorrichtung zum positionsgenauen spannen einer druckplatte auf einem druckzylinder
DE3936446A1 (de) * 1989-11-02 1991-05-08 Miller Johannisberg Druckmasch Plattenzylinder einer druckmaschine
US5088408A (en) * 1991-02-28 1992-02-18 Matthews International Inc. Printing plate mounting system and a printing plate composite utilizing such system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928072A1 (de) * 1968-06-24 1970-01-22 R Hoe & Company Inc Druckwalze
DE2637661A1 (de) * 1975-10-03 1977-04-14 Wifag Maschf Vorrichtung zum aufspannen von biegsamen druckplatten auf eine sattelplatte
GB2010182A (en) * 1977-12-15 1979-06-27 Koenig & Bauer Ag Device for securing a flexible printing plate to a forme cylinder of a web-fed rotary printing press
EP0238804A2 (fr) * 1986-02-27 1987-09-30 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de fixation des clichés souples sur les cylindres de clichés dans les rotatives

Also Published As

Publication number Publication date
JPH0790634B2 (ja) 1995-10-04
EP0557729B1 (fr) 1995-06-28
DE4205276A1 (de) 1993-08-26
JPH068401A (ja) 1994-01-18
ATE124328T1 (de) 1995-07-15
US5361698A (en) 1994-11-08
DE59300294D1 (de) 1995-08-03

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