EP0889782B1 - Procede pour imprimer un materiau support - Google Patents

Procede pour imprimer un materiau support Download PDF

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Publication number
EP0889782B1
EP0889782B1 EP97918020A EP97918020A EP0889782B1 EP 0889782 B1 EP0889782 B1 EP 0889782B1 EP 97918020 A EP97918020 A EP 97918020A EP 97918020 A EP97918020 A EP 97918020A EP 0889782 B1 EP0889782 B1 EP 0889782B1
Authority
EP
European Patent Office
Prior art keywords
printing
water
carrier
print carrier
print
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
EP97918020A
Other languages
German (de)
English (en)
Other versions
EP0889782A1 (fr
Inventor
Robert Link
Manfred Wiedemer
Joachim Heinzl
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.)
Canon Production Printing Germany GmbH and Co KG
Original Assignee
Oce Printing Systems GmbH and Co KG
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 Oce Printing Systems GmbH and Co KG filed Critical Oce Printing Systems GmbH and Co KG
Publication of EP0889782A1 publication Critical patent/EP0889782A1/fr
Application granted granted Critical
Publication of EP0889782B1 publication Critical patent/EP0889782B1/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
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices

Definitions

  • the invention relates to a printing method for generating a Print image on a substrate in which a print carrier is provided, the surface of which according to the structure of the printed image to be printed is exposed to water vapor.
  • a print medium for example a printing plate, a printing tape or a printing template
  • partially printing corresponding to the print image to be printed Areas formed during the printing process
  • Color can be colored and then the carrier material print with the color.
  • Various methods are known in printing areas. For example, the DIRECT IMAGING process from the company Heidelberger Druckmaschinen, on which on a silicone-coated Film by partially burning away the silicone layer a print template is created, the silicone-free Adjust the color during the printing process and print on the carrier material.
  • Another known one Processes become hydrophobic and hydrophilic on the print medium Areas according to the structure of the print Print image generated.
  • US-A-3 072 049 and US-A-2 002 815 are printing devices known, each after a printing process work in creating the thin moisture film on the surface of the print medium instead of the Use of application rollers or spray devices Water vapor on the hydrophilic areas of the print medium brought. Again, the surface of the print carrier is which is exposed to water vapor, accordingly the structures of the printed image to be printed in divided into hydrophobic and hydrophilic areas.
  • the invention provides a printing method, at which the surface of the print carrier is selective and partial is so acted upon by steam that on the The surface is a partial water film that produces the printed image trains.
  • this printing method can on the use of a Print carrier, on the surface of which hydrophilic and hydrophobic Areas are formed, so that additional Steps are eliminated.
  • the chemically pretreated Print carrier uses the selective printing method Water use a pressure carrier with even Surface on which the water film resulting from the printed image is applied. This makes it possible within a Printing process to change the print template so that the printing process works with very high flexibility.
  • this printing process is also the use of an intermediate carrier, for example a blanket or a roller with rubberized Surface, proposed, which adapts to the different adapts used carrier materials.
  • an intermediate carrier for example a blanket or a roller with rubberized Surface
  • a radiation source for example a laser with deflection and focusing optics, high-temperature lamps or laser diode arrays, and / or a heat source, such as Heating elements, thermal combs or microwave elements Places
  • a radiation source for example a laser with deflection and focusing optics, high-temperature lamps or laser diode arrays, and / or a heat source, such as Heating elements, thermal combs or microwave elements Places
  • a heat source such as Heating elements, thermal combs or microwave elements Places
  • a vaporization device with a Water supply instead of of a dampened fabric tape opposite the surface of the pressure carrier a vaporization device with a Water supply arranged.
  • the steaming device has one Variety of wells filled with water, in each at least one heating element is provided which is independent of the other heating elements can be operated. By applying the heating elements are selectively activated by pulses, so that the water in the well is evaporated and condensed on the overlying print carrier. By Varying the amount of energy supplied can change the amount of steam defined changes. There is also the possibility the resulting water film selectively in its strength to design.
  • FIG. 1 describes a first embodiment of a vapor deposition device 70 for selective steaming of the printing tape 72 of a printing device 74 (cf. FIG. 2).
  • Evaporator 70 has a driven in the direction of movement of the printing belt 72, arranged in parallel with a small distance to the printing belt 72 Fabric tape 76, which by a roller system (not shown) is continuously moistened with water.
  • Heating device extending transversely to its direction of movement (not shown) provided.
  • This heater has a large number in the longitudinal direction side by side radiation sources 78 arranged in a row, which are selective and can be activated independently of each other.
  • FIG. 2 shows a schematic representation of the printing device 74, in which the first embodiment described in FIG. 1 the vaporization device 70 is used.
  • the Printing device 74 has a driven, clockwise rotating conveyor roller 80, shown on the left in Figure 2 is, as well as an approximately at the same height, in Figure 2 shown on the right printer roller 82, the axis runs parallel to the axis of the conveyor roller 80. About in the middle to the feed roller 80 and the pressure roller 82 is below a parallel deflection roller 84 is provided.
  • the printing belt 72 is over the conveyor roller 80, the printing roller 82 and the guide roller 84 passed around.
  • the cleaning facility 102 has a pretensioned band 72 adjacent wiper lip 104 and one arranged downstream Cleaning brush 106, used to remove water and paint residues serve on the printing side of the printing tape 72.
  • the Radiation sources 78 of the heater with water selectively and partially heat moistened fabric tape 76, whereby the water stored in the fabric tape 76 evaporates and on the side facing the fabric tape 76 of the print ribbon 72. This way it gets on a partial surface of the printing tape 72, the printed image reproducing water film. That so humidified Printing tape 72 is fed to the dyeing station 86, in which the ink roller 88 ink onto the surface of the printing tape 72 applies. The areas that are not wetted with water colored while the water on the wetted with water Areas prevented from coloring these areas. To the inking of the printing tape 72 moves the inked Section of the printing tape 72 in the transfer printing point 94, in the due to the action of the counter-pressure roller 96 Print image is printed directly on the carrier material 100.
  • FIG 3 shows a second embodiment of a vapor deposition device 120, which instead of the vaporization device 70 used in the printing device 74 shown in Figure 2 can be.
  • the vaporization device 120 has one transversely to the direction of transport of the printing tape 72 via its heating strip 122 extending across the width.
  • the heating strip 122 has a plurality in side by side in its longitudinal direction cylindrical depressions 124 arranged in a row, the a heating element 126 on each of their closed ends and the respective open end face of the pressure band 72 is facing.
  • heating elements 126 By selectively activating the heating elements 126 becomes that located in the respective recess 124 Water heated so strongly that it evaporates and settles on the the heating strip 122 facing side of the printing tape 72 precipitates, so that a partial, reproducing the printed image Water film is formed. Then it will be like this wetted band 72, as already described above, in the same Way through the dyeing station 86 and the transfer printing station 94 promoted to print on the carrier material 100.

Claims (13)

  1. Procédé d'impression pour produire une image d'impression sur une matière support, dans lequel on prépare un support d'impression (72) dont la surface est chargée, aux endroits qui correspondent à des structures de l'image d'impression à imprimer, avec de la vapeur d'eau qui se condense à ces endroits pour former un film d'eau, dans lequel on dépose, sur la surface, de l'encre qui adhère aux endroits non mouillés et qui n'est pas acceptée par les endroits mouillés, et dans lequel l'encre est reportée de là sur la matière support (100).
  2. Procédé d'impression selon la revendication 1, dans lequel, après avoir été déposée sur la surface, l'encre est tout d'abord transférée à un support intermédiaire et, de là, pressée sur la matière support (100).
  3. Procédé d'impression selon la revendication 1 ou 2, dans lequel une bande de tissu (76) mouillée avec de l'eau est disposée en regard de la surface du support d'impression (72), et dans lequel la bande de tissu (76) est sélectivement chauffée à l'aide d'une source de rayonnement (78) et/ou d'une source de chaleur à des endroits qui correspondent à l'image d'impression.
  4. Procédé d'impression selon la revendication 3, dans lequel la bande de tissu (76) est mouillée avec de l'eau selon un mouvement continu par un système de rouleaux et/ou un dispositif de pulvérisation.
  5. Procédé d'impression selon la revendication 1, dans lequel, en regard de la surface du support d'impression (72), est disposé un dispositif de vaporisation (120) comprenant une réserve d'eau, et dans lequel le dispositif de vaporisation (120) présente une pluralité d'évidements (124) remplis d'eau, dans chacun desquels est prévu au moins un élément chauffant (126), les éléments chauffants (126) étant chauffés sélectivement d'une façon qui correspond à l'image d'impression.
  6. Procédé d'impression selon une des revendications 1 à 5, dans lequel la surface du support d'impression (72) est chargée avec de la vapeur selon une trame, ligne par ligne.
  7. Dispositif pour la mise en oeuvre du procédé selon une des revendications 1 à 6, comprenant :
    un support d'impression mobile (72), dont la surface peut être mouillée avec un film d'eau,
    un dispositif de vaporisation (70, 120) disposé au voisinage de la surface du support d'impression, et qui charge la surface avec de la vapeur d'eau, d'une façon qui correspond à des structures de l'image d'impression à imprimer, de telle manière qu'il se forme sur la surface un film d'eau partiel qui reproduit l'image d'impression, et
    une station d'encrage (86) destinée à déposer de l'encre sur la surface, et qui est disposée au voisinage de la surface du support d'impression (72), en aval du dispositif de vaporisation (70, 120), par référence au sens du mouvement de ce support.
  8. Dispositif selon la revendication 7, comprenant un support intermédiaire, disposé à la suite de la station d'encrage (86), qui reçoit l'image d'impression encrée, et qui imprime la matière support (100).
  9. Dispositif selon la revendication 7 ou 8, comprenant un dispositif de nettoyage (102) destiné à nettoyer la surface des résidus d'eau et d'encre, et qui est disposé en amont du dispositif de vaporisation (70, 120), par référence au sens du mouvement du support d'impression (72).
  10. Dispositif selon la revendication 7, 8 ou 9, dans lequel le support d'impression est une bande de tissu (72) qui passe sur au moins deux rouleaux (80, 82), au moins un des rouleaux (80) pouvant être entraíné.
  11. Dispositif selon la revendication 7, 8 ou 9, dans lequel le support d'impression est un rouleau d'impression pouvant être entraíné.
  12. Dispositif selon une des revendications 7 à 11, dans lequel le dispositif de vaporisation (70) est une bande de tissu (76) mouillée, qui passe à petite distance de la surface du support d'impression, et qui peut être chauffée partiellement, sélectivement, par une source de rayonnement (78) et/ou une source de chaleur, placée(s) au voisinage de la bande de tissu.
  13. Dispositif selon une des revendications 7 à 11, dans lequel le dispositif de vaporisation (120) est une barrette chauffante (122) qui s'étend transversalement à la direction du mouvement du support d'impression, et qui comprend une pluralité d'évidements (124) remplis d'eau, un élément chauffant (126) étant prévu dans chaque évidement (124).
EP97918020A 1996-03-29 1997-03-13 Procede pour imprimer un materiau support Expired - Lifetime EP0889782B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19612761 1996-03-29
DE19612761 1996-03-29
PCT/DE1997/000508 WO1997036746A1 (fr) 1996-03-29 1997-03-13 Procede pour imprimer un materiau support

Publications (2)

Publication Number Publication Date
EP0889782A1 EP0889782A1 (fr) 1999-01-13
EP0889782B1 true EP0889782B1 (fr) 2000-04-26

Family

ID=7789995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97918020A Expired - Lifetime EP0889782B1 (fr) 1996-03-29 1997-03-13 Procede pour imprimer un materiau support

Country Status (5)

Country Link
US (1) US6125755A (fr)
EP (1) EP0889782B1 (fr)
JP (1) JP2000507512A (fr)
DE (1) DE59701516D1 (fr)
WO (1) WO1997036746A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011075307A1 (de) 2011-05-05 2012-11-08 Voith Patent Gmbh Befeuchtung einer Druckplatte

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032608A1 (fr) 1997-01-27 1998-07-30 Oce Printing Systems Gmbh Dispositif et procede d'impression sur un materiau de support a l'aide d'une couche de glace structuree
DE19826377A1 (de) * 1998-06-12 1999-12-16 Heidelberger Druckmasch Ag Druckmaschine und Druckverfahren
DE10063987A1 (de) 2000-12-21 2002-07-18 Oce Printing Systems Gmbh Einrichtung und Verfahren zum Reinigen eines Druckträgers vor jedem Druckzyklus
DE10206937A1 (de) * 2002-02-19 2003-09-04 Oce Printing Systems Gmbh Verfahren und Einrichtung zum Drucken, wobei vor dem Auftrag eines Feuchtmittels eine benetzungsfördernde Substanz in molekularer Schichtdicke aufgetragen wird
DE10206942A1 (de) 2002-02-19 2003-09-04 Oce Printing Systems Gmbh Verfahren und Einrichtung zum Drucken, wobei zum Strukturieren gesteuerte Strahlungsventile verwendet werden
DE10206938A1 (de) * 2002-02-19 2003-09-04 Oce Printing Systems Gmbh Verfahren und Einrichtung zum Drucken, wobei eine hydrophile Schicht erzeugt und diese strukturiert wird
DE10206944A1 (de) 2002-02-19 2003-09-04 Oce Printing Systems Gmbh Verfahren und Einrichtung zum Drucken, wobei die Dicke der Feuchtmittelschicht gemessen und reduziert wird
DE10206946A1 (de) 2002-02-19 2003-09-04 Oce Printing Systems Gmbh Verfahren und Einrichtung zum Drucken, wobei eine Hydrophilisierung des Druckträgers durch freie Ionen erfolgt
JP2006310470A (ja) * 2005-04-27 2006-11-09 Tokyo Institute Of Technology 液体パターン形成方法及び形成装置
US9463643B2 (en) 2006-02-21 2016-10-11 R.R. Donnelley & Sons Company Apparatus and methods for controlling application of a substance to a substrate
US8881651B2 (en) 2006-02-21 2014-11-11 R.R. Donnelley & Sons Company Printing system, production system and method, and production apparatus
US8869698B2 (en) * 2007-02-21 2014-10-28 R.R. Donnelley & Sons Company Method and apparatus for transferring a principal substance
CA2643249A1 (fr) * 2006-02-21 2007-08-30 Moore Wallace North America, Inc. Systemes et procedes d'impression variable haute vitesse
US8967044B2 (en) 2006-02-21 2015-03-03 R.R. Donnelley & Sons, Inc. Apparatus for applying gating agents to a substrate and image generation kit
US9701120B2 (en) 2007-08-20 2017-07-11 R.R. Donnelley & Sons Company Compositions compatible with jet printing and methods therefor
WO2009025809A1 (fr) 2007-08-20 2009-02-26 Rr Donnelley Composition à base de nanoparticules compatible avec l'impression par jet d'encre et procédés associés
US20130033687A1 (en) * 2011-08-05 2013-02-07 Palo Alto Research Center Incorporated Method for Direct Application of Dampening Fluid for a Variable Data Lithographic Apparatus
US8950322B2 (en) * 2012-03-21 2015-02-10 Xerox Corporation Evaporative systems and methods for dampening fluid control in a digital lithographic system
US9032874B2 (en) * 2012-03-21 2015-05-19 Xerox Corporation Dampening fluid deposition by condensation in a digital lithographic system
DE102012112494A1 (de) 2012-12-18 2014-07-03 Karlsruher Institut für Technologie Verfahren zum Übertragen einer Transferflüssigkeit von einer Vorlagefläche in eine Mehrzahl von diskreten Kompartimenten auf einer Zielfläche und Transferfläche zur Durchführung des Verfahrens

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US2101202A (en) * 1936-05-20 1937-12-07 Miehle Printing Press & Mfg Dampening mechanism for printing presses
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GB719239A (en) * 1952-02-18 1954-12-01 Harris Seybold Co Improvements in or relating to a planographic printing press and a process of printing
US3072049A (en) * 1960-09-08 1963-01-08 William C Huebner Printing plate treating apparatus
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011075307A1 (de) 2011-05-05 2012-11-08 Voith Patent Gmbh Befeuchtung einer Druckplatte

Also Published As

Publication number Publication date
US6125755A (en) 2000-10-03
EP0889782A1 (fr) 1999-01-13
WO1997036746A1 (fr) 1997-10-09
DE59701516D1 (de) 2000-05-31
JP2000507512A (ja) 2000-06-20

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