EP2018964B1 - Printing machine with a temperature control device - Google Patents

Printing machine with a temperature control device Download PDF

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Publication number
EP2018964B1
EP2018964B1 EP08020071A EP08020071A EP2018964B1 EP 2018964 B1 EP2018964 B1 EP 2018964B1 EP 08020071 A EP08020071 A EP 08020071A EP 08020071 A EP08020071 A EP 08020071A EP 2018964 B1 EP2018964 B1 EP 2018964B1
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EP
European Patent Office
Prior art keywords
temperature control
printing machine
temperature
control device
control medium
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Expired - Fee Related
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EP08020071A
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German (de)
French (fr)
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EP2018964A1 (en
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Andreas Harig
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Technotrans SE
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Technotrans SE
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C3/00—Other direct-contact heat-exchange apparatus
    • F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0077—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus

Definitions

  • the invention relates to a printing press with an arrangement with tempering for the temperature control of dampening solution and / or printing cylinders, with at least one extending between the tempering and the printing press Temperierstoff Republic.
  • the operation of a printing press generates heat.
  • the heating not only detects the apparatus part, in particular the printing cylinder, but also the resources, in particular the fountain solution used in offset printing, which is often recycled and reused in a circulatory system. Warming above a certain level will degrade print quality. The position accuracy of the printed image may be affected.
  • dampening agents they also contain a not inconsiderable amount of alcohol, which evaporates relatively quickly at elevated temperatures. The composition of the fountain solution can therefore change relatively quickly so that it is outside a predetermined target range.
  • Printing presses are therefore often equipped with temperature control. These can be used both for the temperature control of the dampening solution and for the temperature control of the functionally essential parts of the printing press, in particular the impression cylinder. Tempering will usually mean cooling, but is also quite a heating into consideration, for example, in the start-up phase of a printing press.
  • a cooling water generator uses a refrigeration unit. To this end, the cooling water in a cooling water tank passes through a first pipe section by means of a pump and another pipe section via a three-way valve, in the cooling aggregate cooled and flows back into the cooling water tank. In winter, when the outside temperature is much cooler, the cooling unit is stopped and an air cooler takes over the task of temperature control. Here, the cooling water passes first again by means of the pump, the first line section. However, the three-way valve now switches to another line section of the air cooler, then the cooling water flows back into the cooling water tank.
  • the present invention has for its object to provide an arrangement on a printing machine of the above type, which allows to avoid unnecessary energy costs.
  • the arrangement according to the invention is characterized by an additional free-cooler temperature control, which has a flow of a temperature control heat exchanger, which is in the return of Temperierstoffsammlunges from the printing press to the temperature control and brought into heat exchange with the Temperierstoff réelle the temperature of the printing machine can be, wherein the temperature control medium is flowed through by the heat exchanger, which is the temperature control of the Temperierstoffnikes.
  • a free-cooler temperature control can be operated at low cost. This refers to a device that exploits the temperature of the ambient air, for example.
  • the free cooler temperature control unit is naturally only switched on when the achievable by this due to the outside temperature cooling temperature is below the desired target temperature of Temperierffennikes the tempering of the press. If this is the case, the intended cooling may possibly be achieved alone or at least in part by utilizing the outside temperature. If the outside temperature is equal to or higher than the desired tempering agent temperature in the tempering medium circuit of the printing press, the free-cooling temperature control unit is naturally switched off.
  • the heat exchanger of the freecooler temperature control is in the return of Temperierstoffnikes from the printing press to the tempering since in the return the temperature of the coolant tends to be higher than in the flow, so that here in a relatively large range of the outside temperature with the free cooler temperature control a cooling effect can be achieved can. This cooling effect must not be brought about in the actual tempering of the printing machine with much higher energy consumption.
  • the sole figure illustrates an alternative printing machine with an arrangement with temperature control, which is not the subject of the present invention.
  • a printing machine without a detailed representation is generally designated 10.
  • a tempering device 12 is assigned to this printing press 10.
  • a second connection between the printing press 10 and the tempering device 12 consists in a temperature control 20, which also has a flow 22 and a return 24 and is used to cool the apparatus part of the printing machine, in particular the impression cylinder.
  • a free cooler temperature control unit 26 is provided.
  • This free-cooler temperature control unit 26 has an air cooler 28 in which an impeller 30 can sweep outside air over a temperature control chamber 32.
  • This chamber 32 forms a Temperierstoffnik 34 together with a heat exchanger 36th
  • a valve 42 for example, a solenoid valve
  • a pump 44 is provided in the return.
  • the heat exchanger 36 is located in the Temperierstoff réelle 20, which serves to control the temperature of the dampening solution. As can be seen from the drawing, the heat exchanger 36 is arranged in the return line 24 of this Temperiersville Anlagenes 20. This arrangement has the advantage that the temperature in the return line 24 during cooling operation is higher than in the supply line 22, so that in many areas the cooling effect made possible by the outside temperature can be used. Moreover, no additional control means are required, since the tempering 12 is anyway adapted to take in the return temperature control different temperature and free to cool until a set temperature is reached again for the flow.
  • the heat exchanger 36 could also be used in the other tempering medium circuit 14. Both Temperiersville Ahmede 14,20 can be designed so that the heat exchanger 36 can be coupled via simple plug-in connections. In the warm season, the entire free cooler temperature control unit 26 may be omitted.
  • temperature sensor 46,48 In the return 24 of the Temperierstoffnike 20 and the flow 38 of the Temperierstoffnikes 34 are temperature sensor 46,48. If the flow temperature at the temperature sensor 48 is equal to or higher than the return temperature in the temperature sensor 46, the fan 30 is switched off via a control, the pump 44 is switched off and the valve 42 to prevent convection currents closed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

Beschreibungdescription

Die Erfindung betrifft eine Druckmaschine mit einer Anordnung mit Temperiervorrichtung für die Temperierung von Feuchtmittel und/oder Druckzylindern, mit wenigstens einem zwischen der Temperiervorrichtung und der Druckmaschine verlaufenden Temperiermittelkreis.The invention relates to a printing press with an arrangement with tempering for the temperature control of dampening solution and / or printing cylinders, with at least one extending between the tempering and the printing press Temperiermittelkreis.

Beim Betrieb einer Druckmaschine entsteht Wärme. Die Erwärmung erfaßt nicht nur den apparativen Teil, insbesondere die Druckzylinder, sondern auch die Betriebsmittel, insbesondere das beim Offset-Druck verwendete Feuchtmittel, das vielfach in einem Kreislaufsystem zurückgeführt und wiederverwendet wird. Eine Erwärmung über einen bestimmten Wert hinaus führt zur Verschlechterung der Druckqualität. Die Positionsgenauigkeit des Druckbildes kann beeinträchtigt werden. Beim Einsatz von Feuchtmitteln kommt hinzu, dass diese einen nicht unerheblichen Teil von Alkohol enthalten, der bei erhöhten Temperaturen relativ rasch verdunstet. Die Zusammensetzung des Feuchtmittels kann sich daher relativ rasch so verändern, dass es außerhalb eines vorgegebenen Sollbereichs liegt.The operation of a printing press generates heat. The heating not only detects the apparatus part, in particular the printing cylinder, but also the resources, in particular the fountain solution used in offset printing, which is often recycled and reused in a circulatory system. Warming above a certain level will degrade print quality. The position accuracy of the printed image may be affected. When using dampening agents, they also contain a not inconsiderable amount of alcohol, which evaporates relatively quickly at elevated temperatures. The composition of the fountain solution can therefore change relatively quickly so that it is outside a predetermined target range.

Druckmaschinen werden daher häufig mit Temperiervorrichtungen ausgerüstet. Diese können sowohl für die Temperierung des Feuchtmittels als auch für die Temperierung der funktionswesentlichen Teile der Druckmaschine, insbesondere der Druckzylinder verwendet werden. Temperierung wird in der Regel eine Kühlung bedeuten, jedoch kommt durchaus auch eine Erwärmung in Betracht, beispielsweise in der Anlaufphase einer Druckmaschine.Printing presses are therefore often equipped with temperature control. These can be used both for the temperature control of the dampening solution and for the temperature control of the functionally essential parts of the printing press, in particular the impression cylinder. Tempering will usually mean cooling, but is also quite a heating into consideration, for example, in the start-up phase of a printing press.

Der Betrieb entsprechender Temperiereinrichtungen ist relativ kostspielig, insbesondere wegen der aufzuwendenden Energien, die beispielsweise für den Betrieb einer Kältemaschine oder einer elektrischen Heizeinrichtung benötigt werden.The operation of appropriate tempering is relatively expensive, especially because of the expended energies that are needed, for example, for the operation of a refrigerator or an electric heater.

Aus der JP 2000-318124 A ist ein Offset-Drucksystem bekannt. Zu Jahreszeiten, wenn die Außentemperatur relativ hoch ist und es nicht schneit, verwendet ein Kühlwasser-Erzeuger ein Kühlaggregat Dazu passiert das Kühlwasser in einem Kühlwasser-Tank einen ersten Leitungsabschnitt mittels einer Pumpe und einen weiteren Leitungsabschnitt über ein Dreiwege-Ventil, wird in dem Kühlaggregat gekühlt und fließt zurück in den Kühlwasser-Tank. Im Winter, in dem die Außentemperatur wesentlich kühler ist wird das Kühlaggregat gestoppt und ein Luftkühler übernimmt die Aufgabe der Temperierung. Hier passiert das Kühlwasser zunächst wieder mittels der Pumpe den ersten Leitungsabschnitt. Das Dreiwege-Ventil schaltet nun jedoch auf einen anderen Leitungsabschnitt des Lüftkühlers, Anschließend fließt das Kühlwasser wieder zurück in den Kühlwasser-Tank.From the JP 2000-318124 A An offset printing system is known. At seasons, when the outside temperature is relatively high and it does not snow, a cooling water generator uses a refrigeration unit. To this end, the cooling water in a cooling water tank passes through a first pipe section by means of a pump and another pipe section via a three-way valve, in the cooling aggregate cooled and flows back into the cooling water tank. In winter, when the outside temperature is much cooler, the cooling unit is stopped and an air cooler takes over the task of temperature control. Here, the cooling water passes first again by means of the pump, the first line section. However, the three-way valve now switches to another line section of the air cooler, then the cooling water flows back into the cooling water tank.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Anordnung an einer Druckmaschine der obigen Art zu schaffen, die es gestattet, unnötige Energiekosten zu vermeiden.The present invention has for its object to provide an arrangement on a printing machine of the above type, which allows to avoid unnecessary energy costs.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Anordnung gekennzeichnet durch ein zusätzliches Freikühler-Temperiergerät, das einen von einem Temperiermittel durchströmten Wärmetauscher aufweist, der sich im Rücklauf des Temperiermittelkreises von der Druckmaschine zu der Temperiervorrichtung befindet und der in Wärmeaustausch mit dem Temperiermittelkreis der Temperiervorrichtung der Druckmaschine gebracht werden kann, wobei das Temperiermittel von dem der Wärmetauscher durchströmt wird, das Temperiermittel des Temperiermittelkreises ist.To solve this problem, the arrangement according to the invention is characterized by an additional free-cooler temperature control, which has a flow of a temperature control heat exchanger, which is in the return of Temperiermittelkreises from the printing press to the temperature control and brought into heat exchange with the Temperiermittelkreis the temperature of the printing machine can be, wherein the temperature control medium is flowed through by the heat exchanger, which is the temperature control of the Temperiermittelkreises.

Ein Freikühler-Temperiergerät läßt sich mit geringen Kosten betreiben. Gemeint ist ein Gerät, das etwa die Temperatur der Umgebungsluft ausnutzt. Das Freikühler-Temperiergerät wird naturgemäß nur zugeschaltet, wenn die durch dieses aufgrund der Außentemperatur erzielbare Kühltemperatur unterhalb der angestrebten Solltemperatur des Temperiermittelkreises der Temperiervorrichtung der Druckmaschine liegt. Wenn dies der Fall ist, kann die beabsichtigte Kühlung unter Umständen allein oder zumindest teilweise durch Ausnutzung der Außentemperatur erreicht werden. Ist die Außentemperatur gleich oder höher der angestrebten Temperiermittel-Temperatur im Temperiermittelkreis der Druckmaschine, wird das Freikühler-Temperiergerät naturgemäß abgeschaltet.A free-cooler temperature control can be operated at low cost. This refers to a device that exploits the temperature of the ambient air, for example. The free cooler temperature control unit is naturally only switched on when the achievable by this due to the outside temperature cooling temperature is below the desired target temperature of Temperiermittelkreises the tempering of the press. If this is the case, the intended cooling may possibly be achieved alone or at least in part by utilizing the outside temperature. If the outside temperature is equal to or higher than the desired tempering agent temperature in the tempering medium circuit of the printing press, the free-cooling temperature control unit is naturally switched off.

Der Wärmetauscher des Freikühler-Temperiergerätes befindet sich im Rücklauf des Temperiermittelkreises von der Druckmaschine zu der Temperiervorrichtung da imRücklauf die Temperatur des Kühlmittels tendenziell höher als im Vorlauf ist, so dass hier in einem relativ großen Bereich der Außentemperatur mit dem Freikühler-Temperiergerät eine Kühlwirkung erzielt werden kann. Diese Kühlwirkung muß in der eigentlichen Temperiervorrichtung der Druckmaschine nicht mehr mit wesentlich höherem Energieaufwand herbeigeschafft werden.The heat exchanger of the freecooler temperature control is in the return of Temperiermittelkreises from the printing press to the tempering since in the return the temperature of the coolant tends to be higher than in the flow, so that here in a relatively large range of the outside temperature with the free cooler temperature control a cooling effect can be achieved can. This cooling effect must not be brought about in the actual tempering of the printing machine with much higher energy consumption.

Im folgenden werden bevorzugte Ausführungsbeispiele der Erfindung anhand der beigefügten Zeichnung näher erläutert.In the following preferred embodiments of the invention will be described with reference to the accompanying drawings.

Die einzige Figur veranschaulicht eine alternative Druckmaschine mit einer Anordnung mit Temperiervorrichtung, die jedoch nicht Gegenstand der vorliegenden Erfindung ist.The sole figure illustrates an alternative printing machine with an arrangement with temperature control, which is not the subject of the present invention.

In der Zeichnung ist eine Druckmaschine ohne nähere Darstellung insgesamt mit 10 bezeichnet. Eine Temperiervorrichtung 12 ist dieser Druckmaschine 10 zugeordnet.In the drawing, a printing machine without a detailed representation is generally designated 10. A tempering device 12 is assigned to this printing press 10.

Sie ist mit der Druckmaschine zum einen durch einen Temperiermittelkreis 14 verbunden, der einen Vorlauf 16 und einen Rücklauf 18 aufweist und für die Temperierung des Feuchtmittels in nicht gezeigter Weise zuständig ist. Eine zweite Verbindung zwischen der Druckmaschine 10 und der Temperiervorrichtung 12 besteht in einem Temperiermittelkreis 20, der ebenfalls einen Vorlauf 22 und einen Rücklauf 24 aufweist und zur Kühlung des apparativen Teils der Druckmaschine, insbesondere der Druckzylinder dient.It is connected to the printing press on the one hand by a Temperiermittelkreis 14, which has a flow 16 and a return 18 and is responsible for the temperature of the dampening solution in a manner not shown. A second connection between the printing press 10 and the tempering device 12 consists in a temperature control 20, which also has a flow 22 and a return 24 and is used to cool the apparatus part of the printing machine, in particular the impression cylinder.

Insoweit handelt es sich um eine weit verbreitete Anordnung von Druckmaschine und Temperiervorrichtung.In that regard, it is a widespread arrangement of printing press and tempering.

Zusätzlich ist ein Freikühler-Temperiergerät 26 vorgesehen. Dieses Freikühler-Temperiergerät 26 weist einen Luftkühler 28 auf, in dem ein Gebläserad 30 Außenluft über eine Temperiermittel-Kammer 32 streichen läßt. Diese Kammer 32 bildet einen Temperiermittelkreis 34 zusammen mit einem Wärmetauscher 36.In addition, a free cooler temperature control unit 26 is provided. This free-cooler temperature control unit 26 has an air cooler 28 in which an impeller 30 can sweep outside air over a temperature control chamber 32. This chamber 32 forms a Temperiermittelkreis 34 together with a heat exchanger 36th

Zwischen der Kühler-Kammer 32 und dem Wärmetauscher 36 erstrecken sich zwei Leitungen, die als Vorlauf 38 und als Rücklauf 40 bezeichnet werden können. Im Vorlauf 38 ist ein Ventil 42, beispielsweise ein Magnetventil, und im Rücklauf ist eine Pumpe 44 vorgesehen.Between the radiator chamber 32 and the heat exchanger 36, two lines extend, which can be referred to as flow 38 and 40 as return. In the flow 38 is a valve 42, for example, a solenoid valve, and in the return, a pump 44 is provided.

Der Wärmetauscher 36 befindet sich in dem Temperiermittelkreis 20, der der Temperierung des Feuchtmittels dient. Wie aus der Zeichnung hervorgeht, ist der Wärmetauscher 36 im Rücklauf 24 dieses Temperiermittelkreises 20 angeordnet. Diese Anordnung hat den Vorteil, dass die Temperatur im Rücklauf 24 bei Kühlbetrieb höher ist als im Vorlauf 22, so dass in weiten Bereichen die durch die Außentemperatur ermöglichte Kühlwirkung eingesetzt werden kann. Im übrigen sind keine zusätzlichen Regelungsmittel erforderlich, da die Temperiervorrichtung 12 ohnehin darauf eingerichtet ist, im Rücklauf Temperiermittel unterschiedlicher Temperatur aufzunehmen und so frei zu kühlen, bis für den Vorlauf wieder eine Soll-Temperatur erreicht ist.The heat exchanger 36 is located in the Temperiermittelkreis 20, which serves to control the temperature of the dampening solution. As can be seen from the drawing, the heat exchanger 36 is arranged in the return line 24 of this Temperiermittelkreises 20. This arrangement has the advantage that the temperature in the return line 24 during cooling operation is higher than in the supply line 22, so that in many areas the cooling effect made possible by the outside temperature can be used. Moreover, no additional control means are required, since the tempering 12 is anyway adapted to take in the return temperature control different temperature and free to cool until a set temperature is reached again for the flow.

Naturgemäß könnte der Wärmetauscher 36 auch in dem anderen Temperiermittelkreis 14 eingesetzt werden. Beide Temperiermittelkreise 14,20 können so ausgeführt sein, dass der Wärmetauscher 36 über einfache Steckanschlüsse angekoppelt werden kann. In der warmen Jahreszeit kann das gesamte Freikühler-Temperiergerät 26 unter Umständen fortgelassen werden.Naturally, the heat exchanger 36 could also be used in the other tempering medium circuit 14. Both Temperiermittelkreise 14,20 can be designed so that the heat exchanger 36 can be coupled via simple plug-in connections. In the warm season, the entire free cooler temperature control unit 26 may be omitted.

Im Rücklauf 24 des Temperiermittelkreise 20 und im Vorlauf 38 des Temperiermittelkreises 34 befinden sich Temperaturfühler 46,48. Wenn die Vorlauftemperatur am Temperaturfühler 48 gleich hoch oder höher ist als die Rücklauftemperatur im Temperaturfühler 46, wird über eine Regelung das Gebläserad 30 abgeschaltet, die Pumpe 44 abgeschaltet und das Ventil 42 zur Vermeidung von Konvektionsströmen geschlossen.In the return 24 of the Temperiermittelkreise 20 and the flow 38 of the Temperiermittelkreises 34 are temperature sensor 46,48. If the flow temperature at the temperature sensor 48 is equal to or higher than the return temperature in the temperature sensor 46, the fan 30 is switched off via a control, the pump 44 is switched off and the valve 42 to prevent convection currents closed.

Claims (4)

  1. Printing machine having an arrangement with a temperature control device (12) for controlling the temperature of a dampening medium and/or printing cylinders having at least one temperature control medium circuit (14, 20) extending between the temperature control device (12) and the printing machine (10),
    characterised by an additional free cooling temperature control device (26) comprising a heat exchanger (36) being passed by the temperature control medium and that is located in the return pipe (24) of the temperature control medium circuit (14, 20) from the printing machine to the temperature control device (12) and that can be caused to exchange heat with the temperature control medium circuit (14, 20) of the temperature control device of the printing machine,
    wherein the temperature control medium passing through the heat exchanger (36) is the temperature control medium of the temperature control medium circuit (20).
  2. Printing machine according to claim 1, characterised in that the cooling effect of the temperature control medium obtained by the temperature exchanger is exclusively or partly achieved utilising the outdoor temperature.
  3. Printing machine according to claim 1 or 2, characterised in that the free cooling temperature control device comprises an air cooler (28).
  4. Printing machine according to claim 3, characterised in that an impeller (30) in the air cooler (28) makes outdoor air flow over a temperature control medium chamber (32) containing the temperature control medium.
EP08020071A 2005-04-07 2006-03-31 Printing machine with a temperature control device Expired - Fee Related EP2018964B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510015954 DE102005015954B4 (en) 2005-04-07 2005-04-07 Printing machine with tempering device
EP20060006878 EP1710079B1 (en) 2005-04-07 2006-03-31 Printing machine with a temperature control device

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP06006878.0 Division 2006-03-31
EP20060006878 Division EP1710079B1 (en) 2005-04-07 2006-03-31 Printing machine with a temperature control device

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EP2018964A1 EP2018964A1 (en) 2009-01-28
EP2018964B1 true EP2018964B1 (en) 2011-06-15

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DE4442072B4 (en) * 1994-11-25 2005-11-10 Technotrans Ag Arrangement for controlling the temperature of a dampening solution and a cooling fluid for selected rolls of a printing press
DE29608045U1 (en) * 1996-05-03 1996-07-25 Technotrans Gmbh Arrangement for tempering a dampening solution and / or selected rollers of a printing press
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JP2000318124A (en) * 1999-05-07 2000-11-21 Offset Printing System Kk Chilled water generator for offset press
DE10354454B4 (en) * 2003-11-21 2009-11-26 Technotrans Ag Temperature control device for printing machines

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DE102005015954A1 (en) 2006-10-12
EP2018964A1 (en) 2009-01-28
EP1710079B1 (en) 2009-02-18
EP1710079A1 (en) 2006-10-11
DE102005015954B4 (en) 2007-01-04

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