EP1500499A1 - Procédé et dispositif pour mesurer et régler la concentration de produits chimiques dans la solution de mouillage pour l'impression offset - Google Patents

Procédé et dispositif pour mesurer et régler la concentration de produits chimiques dans la solution de mouillage pour l'impression offset Download PDF

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Publication number
EP1500499A1
EP1500499A1 EP04017479A EP04017479A EP1500499A1 EP 1500499 A1 EP1500499 A1 EP 1500499A1 EP 04017479 A EP04017479 A EP 04017479A EP 04017479 A EP04017479 A EP 04017479A EP 1500499 A1 EP1500499 A1 EP 1500499A1
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EP
European Patent Office
Prior art keywords
individual
components
chemical components
concentrations
groups
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
EP04017479A
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German (de)
English (en)
Other versions
EP1500499B1 (fr
EP1500499B2 (fr
Inventor
Gunther Prof. Dr. Ing. Krieg
Joop Dr. Van Hesteren
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.)
Fuji Hunt Photographic Chemicals NV
Fujifilm Hunt Chemicals USA Inc
Original Assignee
Fuji Hunt Photographic Chemicals NV
Fujifilm Hunt Chemicals USA Inc
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Publication date
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Application filed by Fuji Hunt Photographic Chemicals NV, Fujifilm Hunt Chemicals USA Inc filed Critical Fuji Hunt Photographic Chemicals NV
Publication of EP1500499A1 publication Critical patent/EP1500499A1/fr
Publication of EP1500499B1 publication Critical patent/EP1500499B1/fr
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Publication of EP1500499B2 publication Critical patent/EP1500499B2/fr
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0054—Devices for controlling dampening

Definitions

  • the respective printing plate by a so-called dampening unit with an aqueous liquid wetted to achieve that in a subsequent Process step, the image areas accept the color while the non-image areas behave color-repellent.
  • the aqueous liquid often exists besides water a mixture with alcohol, mostly isopropanol is used, and a chemical mixture of up to about twenty Substances, which is referred to below as an additive.
  • the additive is used in concentrations of 1 to 8% vol., the alcohol of 0.5 to 20% vol. added.
  • the concentration of water is between 72% and 98.5% - Vol.
  • Using optimized additives becomes the Part completely renounced the alcohol. In this case the additive is also referred to as an alcohol substitute.
  • the optimized additive then takes over fully or at least partly the function of isopropanol.
  • the additive concentrate as a single chemical formulation consisting of all necessary chemical Ingredients with defined predetermined concentrations exists and its composition from the print application, i.e. Web offset, sheetfed offset or newspaper printing as well as machine type, paper type, color type, to feed into the fountain solution cycle of a printing machine, is an emergency solution that meets the modern requirements High availability of the offset process is not fair.
  • the concentrations of alcohol in the dampening water are usually currently between 6% and 20% and facilitate in case of roll and sheet offset the use of so-called film dampening units.
  • the prior art consist of several with Rubber compounds and / or metals coated rollers, the rotate in contact with each other with a certain contact pressure and the fountain solution in the form of a film adjustable Transport the layer thickness to the printing plate. This Transport process is due to the addition of isopropanol the resulting reduction in the surface tension favored the liquid film.
  • film dampenings according to the prior art are also contactless operating systems, in particular with nozzles operated Spray dampenings or dampeners, the rolls with covers made of plush, used. Because in these cases the Dampening solution transported without continuous liquid film the use of alcohol can be omitted. Also in these embodiments according to the prior art, this is inventive new method of the utmost importance, since It is an optimal composition of chemicals Dampening water allows.
  • the process fluid uses dosing devices, volumetrically in the context of a control the two or mix three components under fixed proportions and in the fluid circuit of the printing machine according to the respective consumption, i. according to the removal the liquid through the paper to be printed, feed.
  • dosing devices volumetrically in the context of a control the two or mix three components under fixed proportions and in the fluid circuit of the printing machine according to the respective consumption, i. according to the removal the liquid through the paper to be printed, feed.
  • systems are in particular conventional Metering pumps in use.
  • a big disadvantage of these systems is that neither malfunction of the mixing devices still changes the physical and / or the chemical composition, e.g. as a result of chemical Reactions or absorption or desorption processes through the ink, the paper, through the piping or the machine modules can be detected.
  • Especially lead evaporation processes in these classic Dosing procedure for significant concentration errors are especially lead evaporation processes in these classic Dosing procedure for significant concentration errors.
  • the aim of the present invention is therefore a method and an apparatus for implementing the method, which is a quantitative, continuous measurement and control the concentrations of the individual components of each Additive or the substitute in a matrix of bis to 20 chemical components without faulty influence by other substances, e.g. in particular by alcohols, Dirt, paint and paper particles, gas bubbles, salts the paper line and others typical for offset printing Impurities, allow.
  • the in Fig. 1 in a tank (1) located process fluid (2) becomes circulating pump (3) to the printing press (4) and back to tank (1) via piping (5) in Guided cycle.
  • the respective concentrations of chemical Individual components of the additive are from a Measuring system (6) continuously measured.
  • the default chemical components K1, K2, K3, .... to Kn are over Pumps (7) and via valves (8) in the process fluid (2) fed in each case Target concentrations of the chemical components K1 to Kn are thereby guaranteed that the measuring system (6) is the actual - Measures concentrations continuously and as part of a Control system replenished so much from the respective component, that the actual value is equal to the predetermined target value.
  • the loss of water in the process fluid (2) is balanced via a pipe (9), wherein the filling level (10) via a level - measuring and control system (11) according to the ultrasonic sounder principle or a Method according to the prior art kept constant becomes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Rotary Presses (AREA)
EP04017479.9A 2003-07-24 2004-07-23 Procédé et dispositif pour mesurer et régler la concentration de produits chimiques dans la solution de mouillage pour l'impression offset Active EP1500499B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10333625 2003-07-24
DE10333625A DE10333625B4 (de) 2003-07-24 2003-07-24 Verfahren und Vorrichtung zur Messung und Regelung der Konzentration von chemischen Verbindungen im Feuchtwasser beim Offsetdruck

Publications (3)

Publication Number Publication Date
EP1500499A1 true EP1500499A1 (fr) 2005-01-26
EP1500499B1 EP1500499B1 (fr) 2016-01-20
EP1500499B2 EP1500499B2 (fr) 2023-11-22

Family

ID=33483038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04017479.9A Active EP1500499B2 (fr) 2003-07-24 2004-07-23 Procédé et dispositif pour mesurer et régler la concentration de produits chimiques dans la solution de mouillage pour l'impression offset

Country Status (3)

Country Link
US (1) US20050061188A1 (fr)
EP (1) EP1500499B2 (fr)
DE (1) DE10333625B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897688A2 (fr) 2006-09-07 2008-03-12 Technotrans AG Installation de préparation de d'agent mouillant pour l'impression offset

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003372B4 (de) * 2005-01-24 2024-04-18 Gunther Krieg Verfahren und Vorrichtung zum Regeln der Konzentration von Komponenten von Additiven in einer Druck- Prozessflüssigkeit
DE102005042298A1 (de) * 2005-09-06 2007-03-08 Baldwin Germany Gmbh Reinigungsflüssigkeitsversorgungsvorrichtung für eine Druckmaschinenreinigungsvorrichtung und Messverfahren
DE102005042299A1 (de) * 2005-09-06 2007-03-08 Baldwin Germany Gmbh Druckmaschinenreinigungsvorrichtung
DE102006024789A1 (de) * 2006-05-27 2007-11-29 Man Roland Druckmaschinen Ag Druckmaschine
DE102007034973A1 (de) * 2007-07-26 2009-01-29 Technotrans Ag Kontinuierliche Füllstandsüberwachung und Feuchtmittelzulauf
CN105690978A (zh) * 2016-01-24 2016-06-22 东莞华南印刷有限公司 全自动水斗液环保配料系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149384A (en) * 1983-11-11 1985-06-12 Polygraph Leipzig Liquid preparation apparatus

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US2017867A (en) * 1930-02-05 1935-10-22 Merle E Nantz Mixing device
US4403866A (en) * 1982-05-07 1983-09-13 E. I. Du Pont De Nemours And Company Process for making paints
US4571092A (en) * 1984-09-06 1986-02-18 Ryco Graphic Manufacturing, Inc. Liquid mixing system
US4864925A (en) * 1987-09-28 1989-09-12 Rockwell International Corporation Simplified lithography using ink and water admixtures
JPH04327940A (ja) * 1991-04-26 1992-11-17 Toyo Ink Mfg Co Ltd 平版印刷用湿し水濃度の制御方法
DE4324141A1 (de) * 1993-07-19 1995-03-16 Krieg Gunther Verfahren und Vorrichtung zur kontinuierlichen, präzisen und zuverlässigen Bestimmung und Steuerung des Isopropanol - Gehaltes in Feuchtmitteln in Druckmaschinen
DE19546971A1 (de) * 1995-12-15 1997-06-19 Baldwin Gegenheimer Gmbh Vorrichtung einer Druckmaschine
US5713062A (en) * 1996-09-26 1998-01-27 Xerox Corporation Color mixing and control system for use in an electrostatographic printing machine
JP3843584B2 (ja) * 1998-03-20 2006-11-08 大日本インキ化学工業株式会社 感熱性組成物およびそれを用いた平版印刷版原版および印刷刷版作製方法
US6947175B1 (en) * 2000-07-31 2005-09-20 Xerox Corporation Method and system for adjusting color mixing due to substrate characteristics
US6917424B2 (en) * 2001-03-19 2005-07-12 E. I. Du Pont De Nemours And Company Process for manufacturing pigment dispersions
US6575096B1 (en) * 2001-11-07 2003-06-10 Xerox Corporation Computer controlled mixing of customer-selected color inks for printing machines
US6682865B2 (en) * 2001-11-21 2004-01-27 Xerox Corporation Hybrid electrophotographic apparatus for custom color printing
DE102005003372B4 (de) * 2005-01-24 2024-04-18 Gunther Krieg Verfahren und Vorrichtung zum Regeln der Konzentration von Komponenten von Additiven in einer Druck- Prozessflüssigkeit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149384A (en) * 1983-11-11 1985-06-12 Polygraph Leipzig Liquid preparation apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0171, no. 68 (M - 1391) 31 March 1993 (1993-03-31) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897688A2 (fr) 2006-09-07 2008-03-12 Technotrans AG Installation de préparation de d'agent mouillant pour l'impression offset
EP1897688A3 (fr) * 2006-09-07 2009-10-28 Technotrans AG Installation de préparation de d'agent mouillant pour l'impression offset
US8117962B2 (en) 2006-09-07 2012-02-21 Technotrans Ag Equipment for preparing dampening solutions for offset printing

Also Published As

Publication number Publication date
DE10333625A1 (de) 2005-02-24
EP1500499B1 (fr) 2016-01-20
US20050061188A1 (en) 2005-03-24
EP1500499B2 (fr) 2023-11-22
DE10333625B4 (de) 2009-04-02

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