EP0554763B1 - Arrangement pour la fixation de la couche inférieure d'un habillage à deux couches pour cylindre d'impression dans une machine à imprimer rotative - Google Patents

Arrangement pour la fixation de la couche inférieure d'un habillage à deux couches pour cylindre d'impression dans une machine à imprimer rotative Download PDF

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Publication number
EP0554763B1
EP0554763B1 EP93101153A EP93101153A EP0554763B1 EP 0554763 B1 EP0554763 B1 EP 0554763B1 EP 93101153 A EP93101153 A EP 93101153A EP 93101153 A EP93101153 A EP 93101153A EP 0554763 B1 EP0554763 B1 EP 0554763B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
printing
arrangement
lower layer
holding
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.)
Expired - Lifetime
Application number
EP93101153A
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German (de)
English (en)
Other versions
EP0554763A1 (fr
Inventor
Hans-Jürgen Dr. Kittsteiner
Kurt Nagler
Erich Wieland
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert 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 Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0554763A1 publication Critical patent/EP0554763A1/fr
Application granted granted Critical
Publication of EP0554763B1 publication Critical patent/EP0554763B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders

Definitions

  • the invention relates to an arrangement for holding the lower layer of two-layer elevators for printing cylinders of rotary printing presses according to the preamble of claim 1.
  • DD-PS 64 725 shows a generic device for holding an elevator on the printing cylinder of a printing press.
  • the ends of the elevator are clamped between two clamping rails.
  • the clamping takes place in that a cylinder head screw with its thread is passed through the bores of both clamping rails and projects beyond them. Their thread is in operative connection with an internal thread of a knurled screw.
  • the end of the elevator is clamped between the two clamping rails by tightening the knurled screws.
  • the heads of the cheese head screws each rest on an outer surface of the inner clamping rail and are inserted into a hole in a cylinder end wall.
  • a device for holding the lower elevator of a two-part elevator of the outer surface of a printing cylinder in printing machines in which a holding rail located in the channel of the printing cylinder is arranged with a circular cross-section, which receives the lower elevator.
  • the end of the holding rail is inserted into the centering holes of the bearer rings by means of pins.
  • the disadvantage of this device is that the holding rail is complex to produce, tools for actuating the holding bolts for the lower elevator are required and the holding rail requires a relatively large amount of space in the cylinder channel.
  • the holding rail is held laterally in bearer rings. This can lead to the automatic release of the support in the centering bores of the bearer rings during operation, for example with a reduced number of printing inks, if the holding rail is held without an elevator but is not properly engaged.
  • the invention has for its object to provide a space-saving and can be operated with little effort in varying the elevator thickness, safe arrangement for holding the lower layer of two-layer elevators, also for bearerless printing cylinders, for printing presses.
  • the arrangement according to the invention can also be used in rotary printing machines without bearer rings.
  • the pressure cylinder 1 shows a section through a pressure cylinder 1, from which the position of the arrangement according to the invention can be seen.
  • the pressure cylinder 1 has two tension shafts 3 arranged in the cylinder channel 2; 4, in a slot 6; 7 hold the upper elevator held in a bar in the form of a rubber blanket 8.
  • the tension shafts 3; 4 can be rotated and locked by known technical means.
  • FIG. 3 shows the detail X of FIG. 1 with the section along the line III-III according to FIG. 2.
  • the rubber blanket 8 clamped in the tension shaft 3 is in the tension position, which is marked with II. If the tension shaft 3 is moved by the angle of rotation ⁇ , the rest position of the tension shaft 3 is reached, which is represented by the dashed line I.
  • pins 11; 12 embedded, for example in holes can be glued.
  • the pins 11; 12 are at their ends protruding from the end wall 9 of the printing cylinder 1 with bevels 13; 14 provided.
  • a hold-down device 16 extending in the axial direction by means of countersunk screws 17; 18 attached, which has a hook-shaped retaining lug 19.
  • the lower elevator which can be made of multi-layer paper sheets, is designated by 21 in total.
  • the lower elevator 21 is aligned on one side on a stop pin 22 and has holes 23; into which the pins 11; 12 intervene. Accordingly, the lower elevator 21 is laterally by means of holes 23 on the pins 11; 12 held and held in the middle by the hold-down device 16 with the retaining lug 19.
  • the tensioning shaft 3 is brought into the rest position I according to FIG. 3.
  • the arrangement of recesses 24; 26 in the end wall 9 makes it easier to remove the lower elevator 21.
  • the lower elevator is usually made of several layers, preferably in such a way that the outermost layers are formed in one piece, ie the beginning 27 of the lower elevator 21 is pocket-shaped. Now, depending on the printing requirements according to FIG. 4, additional layers 28 can be inserted into the beginning 27, which - as shown in broken lines in FIG. 2 - have chamfered corners, so that the holes 23 are omitted and thus the lower elevator 21 is not removed must be to change the number of additional sheets 28.

Landscapes

  • Printing Plates And Materials Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)

Claims (4)

  1. Agencement pour fixer la couche inférieure (21) d'habillages à deux couches (8 ; 21) pour cylindre d'impression (1) de machines à imprimer rotatives, la couche inférieure (21) étant fixée sur la surface périphérique du cylindre d'impression (1) et dans le canal (2) du cylindre, caractérisé en ce que la paroi frontale (9) du canal (2) du cylindre comporte des moyens de fixation en forme de broches (11 ; 12), entre lesquels sont disposés des moyens d'abaissement (16) en forme de crochets qui sont en prise avec le début (27) de l'habillage inférieur (21) par l'intermédiaire de trous (23).
  2. Agencement selon la revendication 1, caractérisé en ce que, à leur extrémité, les broches (11 ; 12) comportent des parties biseautées (13 ; 14).
  3. Agencement selon les revendications 1 et 2, caractérisé en ce que, pour aligner latéralement l'habillage inférieur (21), il est prévu une broche de butée (22) disposée dans la paroi frontale (9) du canal (2) du cylindre.
  4. Agencement selon les revendications 1 à 3, caractérisé en ce que la paroi frontale (9) du canal (2) du cylindre comporte des évidements (24 ; 26).
EP93101153A 1992-02-05 1993-01-27 Arrangement pour la fixation de la couche inférieure d'un habillage à deux couches pour cylindre d'impression dans une machine à imprimer rotative Expired - Lifetime EP0554763B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4203148A DE4203148C2 (de) 1992-02-05 1992-02-05 Anordnung zum Halten der unteren Lage von zweilagigen Aufzügen für Druckzylinder von Rotationsdruckmaschinen
DE4203148 1992-02-05

Publications (2)

Publication Number Publication Date
EP0554763A1 EP0554763A1 (fr) 1993-08-11
EP0554763B1 true EP0554763B1 (fr) 1996-07-31

Family

ID=6450933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101153A Expired - Lifetime EP0554763B1 (fr) 1992-02-05 1993-01-27 Arrangement pour la fixation de la couche inférieure d'un habillage à deux couches pour cylindre d'impression dans une machine à imprimer rotative

Country Status (4)

Country Link
US (1) US5295436A (fr)
EP (1) EP0554763B1 (fr)
JP (1) JPH0790635B2 (fr)
DE (2) DE4203148C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718079B1 (fr) * 1994-03-31 1996-05-15 Rollin Sa Blanchet d'impression perfectionné et cylindre d'impression équipé de ce blanchet.
FR2770451B1 (fr) * 1997-11-06 1999-12-31 Rollin Sa Couche lithographique perfectionnee pour blanchet d'impression et blanchet equipe de cette couche
US6811863B2 (en) 2001-07-20 2004-11-02 Brite Ideas, Inc. Anti-marking coverings for printing presses
ES2203575T3 (es) 2001-11-27 2004-04-16 Printgraph Waterless S.R.L. Empaquetadura universal inferior para tejidos recubiertos de goma en los cilindros de prensa de impresion offset.
JP4980694B2 (ja) * 2005-11-23 2012-07-18 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 被印刷体である枚葉紙を処理するための胴
DE102006050540B4 (de) * 2005-11-23 2017-05-11 Heidelberger Druckmaschinen Ag Zylinder zum Bearbeiten von Bogen aus Bedruckstoff
AU2007249795B2 (en) * 2006-05-12 2012-06-28 Printguard, Inc. Fixture for anti-marking coverings for printing presses
WO2012026934A1 (fr) * 2010-08-25 2012-03-01 Hewlett-Packard Development Company, L.P. Substrat de support
US9550308B2 (en) * 2011-10-07 2017-01-24 Cito-System Gmbh Device for perforating and/or fluting and/or punching for rotary presses, in particular for rotary printing presses

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD64725A (fr) *

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125023A (en) * 1964-03-17 Blanket tensioning means for the impression
DE128886C (fr) *
DE64725C (de) * 1892-01-17 1892-10-04 H. RESSLER in Krefeld, Fischelnerstr. 51 Leitungsrohr mit Aufthaurobr
GB1187238A (en) * 1967-12-13 1970-04-08 Cork Mfg Company Ltd Improvements in Printers' Blankets
US3757691A (en) * 1972-06-12 1973-09-11 North American Rockwell Printing cylinder
DD128886A1 (de) * 1976-12-21 1977-12-14 Friedrich Gottwald Einrichtung zum befestigen der drucktuecher auf uebertragungs-oder offsetzylindern
DE3128105C2 (de) * 1981-07-16 1985-11-14 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum Halten des unteren Aufzuges eines zweilagigen Aufzuges auf der Mantelfläche eines Druckzylinders in Druckmaschinen
US4527478A (en) * 1983-05-11 1985-07-09 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Means for clamping gravure plates
DE3614541A1 (de) * 1986-04-29 1987-11-05 Roland Man Druckmasch Vorrichtung zum festhalten von zwischenlagen an zylindern von rotationsdruckmaschinen
US4977833A (en) * 1989-03-17 1990-12-18 Sumitomo Heavy Industries, Ltd. Lithographic plate fastening apparatus of printing press
US5052120A (en) * 1990-04-16 1991-10-01 Eastman Kodak Company Sheet positioning, clamping, and tensioning means

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD64725A (fr) *

Also Published As

Publication number Publication date
DE4203148C2 (de) 1994-02-03
EP0554763A1 (fr) 1993-08-11
JPH05269970A (ja) 1993-10-19
DE4203148A1 (de) 1993-08-12
US5295436A (en) 1994-03-22
DE59303343D1 (de) 1996-09-05
JPH0790635B2 (ja) 1995-10-04

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