EP0121675A2 - Machine à imprimer avec dispositif de laquage pour feuilles - Google Patents

Machine à imprimer avec dispositif de laquage pour feuilles Download PDF

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Publication number
EP0121675A2
EP0121675A2 EP84101260A EP84101260A EP0121675A2 EP 0121675 A2 EP0121675 A2 EP 0121675A2 EP 84101260 A EP84101260 A EP 84101260A EP 84101260 A EP84101260 A EP 84101260A EP 0121675 A2 EP0121675 A2 EP 0121675A2
Authority
EP
European Patent Office
Prior art keywords
coating
printing
sheets
paint
varnish
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
EP84101260A
Other languages
German (de)
English (en)
Other versions
EP0121675A3 (en
EP0121675B1 (fr
Inventor
Roland Höll
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6195429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0121675(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT84101260T priority Critical patent/ATE28147T1/de
Publication of EP0121675A2 publication Critical patent/EP0121675A2/fr
Publication of EP0121675A3 publication Critical patent/EP0121675A3/de
Application granted granted Critical
Publication of EP0121675B1 publication Critical patent/EP0121675B1/fr
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F23/00Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/08Print finishing devices, e.g. for glossing prints

Definitions

  • DE-AS 2 608 661 discloses a device for printing and then drying sheets in a gripper closure. As can be seen in FIG. 1, printing is possible with a coating feed mechanism on a forme cylinder. The lacquered sheet passes through a dryer in the same gripper closure.
  • the invention has for its object to reduce the coating film to a residual layer thickness when printing is interrupted or interrupted, so that the printing sheets no longer stick to the machine parts when the printing starts again.
  • the box roller can be switched off at different times after a pressure cut-off and pressure interruption by means of a variable electrical preselection counter, so that no additional paint is conveyed out of the paint container from this point in time.
  • the preselection counter After reaching the preselected value, the preselection counter switches off a solenoid valve so that the box roller is switched off.
  • the premature shutdown of the box roller prevents additional paint from being conveyed onto the rollers from this time, so that a defined paint quantity is present on the rollers required for painting.
  • the preselection counter is set so that the amount of varnish remaining on the rollers is reduced to a minimum remaining layer thickness from the remaining sheets that still pass through the printing press, so that when a new start of printing occurs later, the new incoming sheets do not rest on the rollers, the plate cylinder or can stick to the rubber blanket.
  • the preselection counter can be set to different times, this is achieved by counting pulses that are specified by the interrogation switch. By varying the time on the preselection counter, the remaining layer thickness on the rollers, the plate cylinder or rubber blanket can be changed in a particularly advantageous manner so that cleaning of the rollers or washing after an interruption in printing is no longer necessary.
  • a coating device 1 which can be switched off by a first pressure tower 4 with a preset counter 5.
  • the lacquer device 1 consists of a lacquer supply 6, a lacquer roller 12 and a metering roller 23.
  • the lacquer roller 12 transfers the lacquer to a lacquer application cylinder 9 and this to printing sheets 4.1, which is transported via a cylinder 15 in the direction of the boom 22.
  • a different number of printing sheets 4.1 are still fed to the coating device 1 by a feeder 21 when printing is interrupted.
  • approximately three printing sheets 4.1 are sufficient to clear the coating cylinder 9, the coating roller 12 and the metering roller 23 from the coating so that after the printing interruption, when the printing starts again, the newly arriving printing sheets 4.1 do not stick to the rollers.
  • the residual lacquer which is on the rollers, has such a small film thickness that the fresh lacquer dissolves the small film layer after a short time when printing starts again. Washing the coating device 1 can thus be dispensed with in the case of short-term stoppers, which leads to considerably shorter downtimes of the multicolour printing machine.
  • the coating roller 12 is switched off by means of the preselection counter 5 in terms of circuitry as follows.
  • the preselection counter 5 receives impulses from a query switch at its counting input via a protective circuit. The pulses are counted backwards from the set value of the preset counter 5 to zero. After reaching the preselected value (1-10 printed sheets), the preselection counter 5 switches a solenoid valve for the pneumatic shutdown of the coating roller 12, so that it is stopped by the coating cylinder 9.
  • FIG. 2 shows a printing tower 19 of a printing press, in which a work is designed as a coating device 2.
  • This consists of a paint container 7, a paint application cylinder 10 and a cylinder 16 within the printing tower 19.
  • the paint is transferred from the cylinder 16 to a rubber cylinder 16.1 during painting.
  • the removal of paint on the rubber cylinder 16.1 has proven to be particularly advantageous, since it was very difficult in each case for the dispersion coating to clean the rubber cylinder 16.1 when the machine stopped for a short time.
  • the switch-off via the preselection counter 5 takes place in the paint device by pivoting the paint device 2 away from the paint transport in the direction of the paint application cylinder 10 or the cylinders 16, 16.1.
  • the printing tower 20 is the last printing tower of a multi-color printing machine and is controlled by the preselection counter 5 of the first machine.
  • the number of printed sheets 4.1 or the time set on the preselection counter 5 depends, inter alia, on the size of the paint transfer surface or viscosity of the paint or the number of rollers required during painting and in engagement with one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP84101260A 1983-04-02 1984-02-08 Machine à imprimer avec dispositif de laquage pour feuilles Expired EP0121675B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101260T ATE28147T1 (de) 1983-04-02 1984-02-08 Vorrichtung an druckmaschinen mit einer lackvorrichtung zum lackieren von druckboegen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3312128 1983-04-02
DE3312128A DE3312128C2 (de) 1983-04-02 1983-04-02 Vorrichtung an Druckmaschinen mit einer Einrichtung zum Lackieren von Druckbögen

Publications (3)

Publication Number Publication Date
EP0121675A2 true EP0121675A2 (fr) 1984-10-17
EP0121675A3 EP0121675A3 (en) 1985-07-31
EP0121675B1 EP0121675B1 (fr) 1987-07-08

Family

ID=6195429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101260A Expired EP0121675B1 (fr) 1983-04-02 1984-02-08 Machine à imprimer avec dispositif de laquage pour feuilles

Country Status (6)

Country Link
US (1) US4517221A (fr)
EP (1) EP0121675B1 (fr)
JP (1) JPS59185654A (fr)
AT (1) ATE28147T1 (fr)
BR (1) BR8401489A (fr)
DE (1) DE3312128C2 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513291A1 (de) * 1985-04-13 1986-10-16 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum lackieren an rotationsdruckmaschinen
EP0317665B1 (fr) * 1987-11-27 1991-03-06 Komori Corporation Machine rotative à imprimer des feuilles
DE19623563C1 (de) * 1996-06-13 1997-10-09 Heidelberger Druckmasch Ag Druckmaschine mit einem Bogentransportband
US7112449B1 (en) * 2000-04-05 2006-09-26 Nanogram Corporation Combinatorial chemical synthesis
US6041706A (en) * 1998-05-15 2000-03-28 Heidelberger Druckmaschinen Ag Complete release blanket
JP4307612B2 (ja) * 1999-03-01 2009-08-05 株式会社小森コーポレーション 印刷機の給紙制御装置および給紙制御方法
JP4540183B2 (ja) * 2000-05-24 2010-09-08 株式会社小森コーポレーション 輪転印刷機のインキ装置
JP2002166677A (ja) * 2000-11-30 2002-06-11 Komori Corp 印刷機
DE10236780C1 (de) * 2002-08-10 2003-09-25 Roland Man Druckmasch Dosiereinrichtung für ein flüssiges Medium in einer Verarbeitungsmaschine
DE102005004455B4 (de) 2005-02-01 2024-07-25 manroland sheetfed GmbH Lackwerk einer Druckmaschine und Verfahren zum Betreiben von Lackwerken
DE102005008937B4 (de) 2005-02-26 2023-11-09 manroland sheetfed GmbH Beschichtungseinheit in einer Druckmaschine
JP2006315228A (ja) * 2005-05-11 2006-11-24 Shinohara Machinery Co Ltd ニスユニットの見当調整装置
JP4684814B2 (ja) * 2005-09-06 2011-05-18 キヤノン株式会社 画像形成装置
DE102006012597A1 (de) * 2006-03-18 2007-09-20 Man Roland Druckmaschinen Ag Verfahren zur Reinigung von Druckplatten
DE102006026658A1 (de) * 2005-12-27 2007-07-05 Man Roland Druckmaschinen Ag Vorauslaufende Walzenabstellung bei Druckformwechsel
WO2007073834A2 (fr) 2005-12-27 2007-07-05 Manroland Ag Procede pour nettoyer des plaques d'impression
DE102007020974A1 (de) * 2007-05-04 2008-11-06 Heidelberger Druckmaschinen Ag Lackierzylinder-Reinigungsverfahren
DE102008029998A1 (de) 2007-07-11 2009-01-15 Manroland Ag Abfördern von Druckfarbe
FI124205B (en) * 2012-04-24 2014-04-30 Tresu As Coating device, method of operating a coating unit and computer program

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971399C (de) * 1949-07-06 1959-01-22 Hoechst Ag Holzschutzmittel fuer nasse Hoelzer
US3473468A (en) * 1966-03-23 1969-10-21 Harris Intertype Corp Multiple couple printing press with controls for sequential and simultaneous cylinder interruption
DE6603138U (de) * 1967-08-16 1969-08-07 Henkel & Cie Gmbh Vorrichtung zum taktweisen auftragen von klebstoff auf bewegte flaechen.
DE2608661C3 (de) * 1976-03-03 1983-11-17 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Bedrucken und anschließenden Trocknen von Bogen in einem Greiferschluß
DE3108808C2 (de) * 1981-03-07 1985-02-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogen-Rotations-Flachdruckmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M.A.N. FORSCHEN PLANEN BAUEN, Nr. 13, 1982, Seiten 44-49, Augsburg, DE; J. SCHUBERT u.a.: "Optimale Maschinenauslastung durch Drucken und Lackieren in einem Arbeitsgang" *

Also Published As

Publication number Publication date
US4517221A (en) 1985-05-14
EP0121675A3 (en) 1985-07-31
DE3312128A1 (de) 1984-10-11
DE3312128C2 (de) 1986-04-03
BR8401489A (pt) 1984-11-13
ATE28147T1 (de) 1987-07-15
JPS59185654A (ja) 1984-10-22
JPH0360311B2 (fr) 1991-09-13
EP0121675B1 (fr) 1987-07-08

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