EP0890434B1 - Machine pour imprimer des feuilles - Google Patents

Machine pour imprimer des feuilles Download PDF

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Publication number
EP0890434B1
EP0890434B1 EP98113761A EP98113761A EP0890434B1 EP 0890434 B1 EP0890434 B1 EP 0890434B1 EP 98113761 A EP98113761 A EP 98113761A EP 98113761 A EP98113761 A EP 98113761A EP 0890434 B1 EP0890434 B1 EP 0890434B1
Authority
EP
European Patent Office
Prior art keywords
rollers
spray
printing machine
sheets
printing
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
EP98113761A
Other languages
German (de)
English (en)
Other versions
EP0890434A2 (fr
EP0890434A3 (fr
Inventor
Rainer Buschulte
Jürgen Dr. Kern
Michael Müller
Harald Dr. Schwahn
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.)
Heidelberger Druckmaschinen AG
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
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0890434A2 publication Critical patent/EP0890434A2/fr
Publication of EP0890434A3 publication Critical patent/EP0890434A3/fr
Application granted granted Critical
Publication of EP0890434B1 publication Critical patent/EP0890434B1/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
    • B41F22/00—Means preventing smudging of machine parts or printed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/06—Powdering devices, e.g. for preventing set-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/02—Dusting, e.g. with an anti-offset powder for obtaining raised printing such as by thermogravure ; Varnishing

Definitions

  • the invention relates to a printing machine for printing sheets, in particular with an inking unit, as well as with printing unit cylinders in the form a plate cylinder, a blanket cylinder and an impression cylinder, with one a storage container and one operationally with its contents supplyable spray nozzle comprising spray device for the discharge of Spacer particles that form a mutual distance are provided between sheets in a stacked state thereof, the discharge on one of the printing unit cylinders or on the sheets he follows.
  • Such a printing press is, for example, from the publication DE 43 41 566 A1 known.
  • the Storage container of the same filled with the spacer particles. These will operationally via a nozzle to either on a bend or on blown out a target area provided where the Spacer particles then form a release agent layer.
  • another nozzle provided the same target area with a humidifier sprayed. It is with regard to the spacer particles and Humidifier made such a selection of materials that the Biologically degrades the release agent layer applied to the target surface.
  • the invention has for its object the aforementioned To design printing press so that when removing spacer particles dust formation is avoided by means of a spray device.
  • the printing press is equipped with a storage container, the content of which is a spray liquid in the form of a Aqueous suspension containing spacer particles, which the Spray nozzle can be fed by means of a pump, with two parallel to each other arranged, forming a gap, by means of which one of the Spray nozzle emerging spray cone can be limited and with one of the two Cleaning device associated with rollers, by means of which on the rollers adhering residues of the suspension removable from the rollers and in the Storage containers are recyclable.
  • This solution also has over the known from the document JP Hei 5-85074 A known the Advantage of a selective distribution of spacer particles on the sheet, so that when they are stacked, air cushions form between the sheets can.
  • the spray nozzle is pivotable, by applying the spray liquid by swiveling the spray nozzle can be interrupted.
  • rollers are parallel to one another are slidably arranged around the gap between them to be able to close and thus the application of the spray liquid interrupt.
  • a working according to the functional principle shown in Fig. 1 Spraying device 40 or 40 ' is used in a printing press for Printing sheets, in particular according to Figures 3a and 3b is formed, which schematically in each case that part of the printing press reproduce in which a delivery unit 21 is connected to a printing unit 25.
  • the printing unit 25 comprises a printing cylinder 12, a blanket cylinder 15 and a plate cylinder 16 around which an inking unit 18 and in the case of a Operation of the printing press in the wet offset process a dampening unit 17th are grouped.
  • a respective sheet 1 is the printing cylinder 12 by means of a Sheet guide cylinder 19 supplied.
  • FIGS. 3a and 3b For the arrangement of the spray device 40 or 40 'in the printing press there are a number of options. Two of these are shown in FIGS. 3a and 3b shown.
  • Fig. 3a an arrangement is provided in which the discharged spray liquid directly onto the freshly printed side of the of the respective bow.
  • 3b is an Spray device 40 ′ according to the functional principle of the spray device 40 1 arranged so that the spray liquid discharged onto a Area of the pressure cylinder 12 strikes, which in the course of the rotation the same passed to this on the part of the sheet guiding cylinder 19 Place sheet 1.
  • the spray liquid is applied to the Sheet 1 indirectly via the printing cylinder 12 on the freshly printed side opposite side of sheet 1.
  • the spray device 40 in the individual nozzles 41 on the one hand compressed air via a corresponding Compressed air line 48 and on the other hand the spray liquid via a Spray line 49 are supplied.
  • the spray liquid is an aqueous one Suspension, the spacer particles and in a further embodiment an in Contains water-soluble adhesive, the spacer particles further are preferably formed by means of a wax.
  • the over the Spray line 49 is supplied from a spray liquid Sucked off reservoir 46 by means of a pump 47.
  • a spray cone formed at a respective nozzle 41 is preferably off two rollers 42 and 43 formed limiting device are provided.
  • the two rollers 42 and 43 are arranged in such a way that there is a gap between them, through which part of the spray cone passes can.
  • the two rollers 42 and 43 rotated and doctored. The direction of rotation chosen so that the two lateral surfaces in the area of the gap turn counter to the spray direction.
  • a cleaning device for the rollers 42 and 43 which is shown in FIG arrangement shown consists of doctor blades 44 and 45, cleans the rollers 42 and 43 of adhering residues of the spray liquid and leads this into the Reservoir 46 back.
  • the amount of the passing through the gap between the two rollers 42 and 43 Spray liquid can in addition to setting spray parameters, such as Amount of compressed air or amount of spray liquid supplied to the spray nozzles, can be controlled by the width of the said gap.
  • the Rollers 42 and 43 are arranged to be adjustable relative to one another.
  • a parallel Shift of the two rollers 42 and 43 to each other which is a constant Width of the gap over the entire length of the rollers 42 and 43 results also conceivable by a corresponding displacement of one of the rollers 42 and 43 a different gap width across the press width adjust.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Coating Apparatus (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Cleaning In Electrography (AREA)
  • Rotary Presses (AREA)

Claims (5)

  1. Machine à imprimer destinée à imprimer des feuilles, et comprenant notamment un groupe d'encrage (18), ainsi que des cylindres de groupe d'impression sous la forme d'un cylindre porte-plaque (16), d'un cylindre de blanchet (15) et d'un cylindre de pression (12), et comprenant également un dispositif de pulvérisation (40, 40') englobant un réservoir (46) et une buse de pulvérisation (41) pouvant être alimentée en service avec le contenu de ce réservoir, le dispositif de pulvérisation étant destiné à fournir des particules de substance d'espacement, qui sont prévues pour former un espacement mutuel entre les feuilles (1) dans un état empilé de celles-ci, la fourniture des particules de substance d'espacement s'effectuant sur l'un des cylindres de groupe d'impression (12, 15) ou sur les feuilles (1), caractérisée
    en ce que le contenu du réservoir (46) est constitué par un liquide de pulvérisation sous la forme d'une suspension aqueuse renfermant les particules de substance d'espacement et pouvant être amenée à la buse de pulvérisation (41) au moyen d'une pompe (47),
    en ce que sont prévus deux cylindres (42, 43) disposés parallèlement l'un par rapport à l'autre et formant un interstice entre-eux, au moyen desquels il est possible de limiter un cône de pulvérisation sortant de la buse de pulvérisation (41), et
    en ce qu'aux deux cylindres (42, 43) est associé un dispositif de nettoyage (44, 45) au moyen duquel il est possible d'éliminer sur les cylindres (42, 43) des résidus de la suspension qui adhèrent aux cylindres (42, 43) et qui peuvent être renvoyés dans le réservoir (46).
  2. Machine à imprimer selon la revendication 1, caractérisée en ce que la buse de pulvérisation (41) est pivotante, son pivotement permettant de faire cesser l'application du liquide de pulvérisation.
  3. Machine à imprimer selon la revendication 1, caractérisée en ce que les cylindres (42, 43) du dispositif de pulvérisation sont disposés de manière à pouvoir être déplacés parallèlement l'un vers l'autre en vue de pouvoir fermer l'interstice se trouvant entre-eux et en permettant ainsi d'interrompre l'application du liquide de pulvérisation.
  4. Machine à imprimer selon l'une au moins des revendications 1 à 3, caractérisée en ce que les particules de substance d'espacement sont formées à l'aide d'une cire.
  5. Machine à imprimer selon l'une au moins des revendications 1 à 4, caractérisée en ce que la suspension renferme une substance adhésive dissoute dans de l'eau.
EP98113761A 1994-12-20 1995-11-21 Machine pour imprimer des feuilles Expired - Lifetime EP0890434B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4445457 1994-12-20
DE4445457A DE4445457A1 (de) 1994-12-20 1994-12-20 Verfahren zum Aufbringen eines Abstandstoffes auf einen Druckbogen und zur Durchführung des Verfahrens ausgerüstete Bogendruckmaschine
EP95118266A EP0718100B1 (fr) 1994-12-20 1995-11-21 Procédé pour appliquer une substance d'espacement sur des feuilles imprimées et machine à imprimer des feuilles équipée pour la mise en oeuvre du procédé

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP95118266A Division EP0718100B1 (fr) 1994-12-20 1995-11-21 Procédé pour appliquer une substance d'espacement sur des feuilles imprimées et machine à imprimer des feuilles équipée pour la mise en oeuvre du procédé

Publications (3)

Publication Number Publication Date
EP0890434A2 EP0890434A2 (fr) 1999-01-13
EP0890434A3 EP0890434A3 (fr) 1999-03-31
EP0890434B1 true EP0890434B1 (fr) 2001-04-04

Family

ID=6536378

Family Applications (2)

Application Number Title Priority Date Filing Date
EP95118266A Expired - Lifetime EP0718100B1 (fr) 1994-12-20 1995-11-21 Procédé pour appliquer une substance d'espacement sur des feuilles imprimées et machine à imprimer des feuilles équipée pour la mise en oeuvre du procédé
EP98113761A Expired - Lifetime EP0890434B1 (fr) 1994-12-20 1995-11-21 Machine pour imprimer des feuilles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP95118266A Expired - Lifetime EP0718100B1 (fr) 1994-12-20 1995-11-21 Procédé pour appliquer une substance d'espacement sur des feuilles imprimées et machine à imprimer des feuilles équipée pour la mise en oeuvre du procédé

Country Status (5)

Country Link
US (1) US5797326A (fr)
EP (2) EP0718100B1 (fr)
JP (1) JP4010577B2 (fr)
AT (2) ATE190009T1 (fr)
DE (3) DE4445457A1 (fr)

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DE19601603A1 (de) * 1996-01-18 1997-07-24 Weitmann & Konrad Fa Verfahren zum Bestäuben von abzustapelnden, frisch bedruckten Papierbögen und Vorrichtung zur Durchführung des Verfahrens
EP0847856A3 (fr) * 1996-12-10 1998-12-30 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour saupoudrer des feuilles
KR100359109B1 (ko) * 2000-02-25 2002-11-04 삼성전자 주식회사 시트 코팅 장치
DE10149009B4 (de) * 2001-10-04 2009-11-12 Manroland Ag Verfahren zum Verarbeiten einer Inhibitoren und Oligomere enthaltenden Druckfarbe in einem Druckwerk einer Rotationsdruckmaschine
DE10227242A1 (de) * 2002-06-19 2004-02-05 Koenig & Bauer Ag Anordnung zum Pudern von Flächengebilden in einer Druckmaschine
DE10256320A1 (de) * 2002-11-28 2004-06-09 Weitmann & Konrad Gmbh & Co Kg Einrichtung zum Bestäuben von Druckbogen
US20060266237A1 (en) * 2005-05-31 2006-11-30 Heidelberger Druckmaschinen Ag Printing-material-carrying surface with micro-elevations, printing press cylinder and printing press having the surface and process having the surface and process for applying a fluid additive and printing process using the surface
DE102006051277A1 (de) * 2006-10-31 2008-05-08 Man Roland Druckmaschinen Ag Haftvermittlerauftragssystem in einer Druckmaschine und Verfahren zur Herstellung von Schreib- oder Notizblocks
US7523704B2 (en) * 2007-01-19 2009-04-28 Julius Domotor Lithographic offset press and lithographic offset press printing method
DE102009032226A1 (de) 2008-07-28 2010-02-04 Heidelberger Druckmaschinen Ag Verfahren zur Erzeugung einer Partikel-Verteilung auf einem Bedruckstoff
JP5225407B2 (ja) * 2011-02-21 2013-07-03 富士フイルム株式会社 マット剤付与装置およびインクジェット記録装置
JP5202663B2 (ja) 2011-02-21 2013-06-05 富士フイルム株式会社 マット剤塗布装置およびインクジェット記録装置
JP2012183804A (ja) 2011-03-08 2012-09-27 Fujifilm Corp 画像形成方法
CN102642391B (zh) * 2012-05-15 2014-07-09 上海美声服饰辅料有限公司 一种撒粉机

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Also Published As

Publication number Publication date
EP0718100A1 (fr) 1996-06-26
JPH08224978A (ja) 1996-09-03
DE59509163D1 (de) 2001-05-10
DE59507900D1 (de) 2000-04-06
ATE200248T1 (de) 2001-04-15
EP0890434A2 (fr) 1999-01-13
US5797326A (en) 1998-08-25
JP4010577B2 (ja) 2007-11-21
DE4445457A1 (de) 1996-07-04
EP0890434A3 (fr) 1999-03-31
ATE190009T1 (de) 2000-03-15
EP0718100B1 (fr) 2000-03-01

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