EP0790893B1 - Druckverfahren - Google Patents
Druckverfahren Download PDFInfo
- Publication number
- EP0790893B1 EP0790893B1 EP95935809A EP95935809A EP0790893B1 EP 0790893 B1 EP0790893 B1 EP 0790893B1 EP 95935809 A EP95935809 A EP 95935809A EP 95935809 A EP95935809 A EP 95935809A EP 0790893 B1 EP0790893 B1 EP 0790893B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- printing
- temperature
- process according
- inking unit
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/002—Heating or cooling of ink or ink rollers
Definitions
- the invention relates to a printing method for printing a substrate with high printing speed and high print quality in flat or letterpress printing.
- the substrate is preferably paper.
- the procedure is however also for other materials to be printed, such as suitable cardboard types and foils, applicable.
- the invention relates to printing processes in which in the printing press the printing process in a printing unit expires.
- the printing unit contains one inking unit and one each the printing form and the counterpressure-carrying machine element, for example a printing form cylinder and one Impression cylinder and indirect printing (offset printing) a blanket cylinder attached in between.
- the printing ink is the at least one soft-elastic inking roller comprises dosed in a thin layer on the surface of the rigid-hard printing form applied and from there the Print motif accordingly directly or indirectly under mechanical pressure on the one passing through the printing unit Transfer printing material. There she immediately gets that far solidified that they are in further processing or use of the print does not rub off.
- All three solidification mechanisms are mainly used for Combined sheet printing, whereby a high print quality can be achieved and a printing cylinder peripheral speed from a maximum of 3 to 5 m / s.
- the print quality is generally the higher, the sharper and reproduced details of writing and images become (point sharpness, resolution), the stronger the color printed areas of the surface stand out from the unprinted paper (optical density), the cleaner the unprinted ones Parts of the area remain (lubrication, laying, Back discoloration, dot gain, etc.) and the more accurate the required hues are reproduced. Understandably is such an increased print quality all the more more difficult to achieve, the rougher, more uneven and less knows a paper and the faster the printing speed is.
- heatset web printing is part of the process a conventional web press with a conventional one Inking unit, in particular a system for Drying, i.e. to drive heatset oil out of the fresh ink layer, and a plant for combustion downstream of the expelled oil vapor are.
- the ink layer in the finished printed product is partly due to adsorption on the fiber structure of the paper solidified, on the other hand, it is due to the heat drying so poor in oil that their consistency for the further processing, shipping and use of the Printed product is sufficiently firm. Details about the heatset process are in the guideline VDI 2587 Sheet 1 "Emission reduction, web offset printing systems with Hot air drying ", green print from September 1993.
- This known printing method can therefore be used as an offset printing besides, sometimes also in high pressure, functioning Web printing process can be defined in which the consolidation of a specifically required Ink type by heat, preferably by hot air, is accelerated. It enables the production of sophisticated, high quality prints at high print speed.
- dryers consume and exhaust gas cleaners a lot of energy, with the usual combustion by-products and emits a lot of carbon dioxide will.
- the invention has for its object a printing method for the area of application of heatset printing, in particular roll printing (high printing speeds, especially when there are high demands on print quality and large editions) to create, in total a reduced effort in terms of construction, energy requirements and construction volume achieved and emissions significantly can be reduced.
- the printing ink is the printing form with the help of a short inking unit with a Anilox roller and an ink wiper fed. It becomes a solid at room temperature, Printing ink that can be liquefied by the supply of heat (hereinafter: "Melt printing ink”) used.
- Melt printing ink Printing ink that can be liquefied by the supply of heat
- the short inking unit and him downstream, ink-carrying parts of the printing unit, especially the printing form, are at a temperature above the liquefaction temperature of the melt printing ink tempered.
- the printing is done in flat printing or high pressure.
- the solidification of the printing ink is caused by cooling them on the substrate.
- Printing inks are used in melt printing inks. This are fed to the printing form by a short inking unit.
- the short inking unit with anilox roller replaces the previously used in Heatset printing used conventional roller inking units.
- the printing unit is included, insofar as it is the short inking unit and ink leading parts on one Temperature above the condensing temperature of the Ink tempered.
- heating energy is used only for liquefying the ink preparation that is solid at room temperature spent. Then the ink is in dosed in a molten form and in a thin layer of Printing form and fed from there to the printing material. Subsequently the printed ink layer immediately by adsorption and by cooling to room temperature solidified.
- the immediate printing process i.e. the path of the ink from the printing form to the substrate, remains basically unchanged.
- Short inking units are made of flexographic inking units and in started in the United States in the 1960s Development work on newspaper printing known and have been heavily involved in newspaper printing technology since the late 1980s found. In addition, they are only in the Flexographic printing in use.
- the centerpiece of a short inking unit is a special anilox roller, also called anilox roller referred to as.
- anilox roller also called anilox roller referred to as.
- Short inking units used in flexographic, letterpress and planographic printing namely only with the usual liquid at room temperature Printing inks. An overview of their use and Properties are described in the publication by D.
- a short inking unit can be considered as one Define part of the overall printing unit of a printing press, which is the dosage of the liquid ink by means of an anilox roller and a device for Wipe off the one not picked up by the grid cells Serves quantitative proportion and that which is thus allocated for printing Quantities in a thin layer on the shortest possible Paths all the way to the printing form (to the plate cylinder) transported on.
- the shortest possible route can with flexographic printing the direct contact of anilox roller and be softer printing form.
- With flat and high pressure with Their rigid-hard printing forms are either soft-elastic Ink application roller with the same diameter as that of the plate cylinder or two with different, in generally smaller diameter interposed.
- Applicator roller and / or plate cylinder can be used if necessary each with a smaller ink roller for further equalization the thin ink layer to be applied be. So far a system of several rollers and possibly Distributor for the transport of the printing ink from the anilox roller to the printing form is a middle ground between an actual short inking unit and one conventional roller inking unit.
- short inking units especially for the processing of Melt printing inks are suitable. Because of their compact design can be opened relatively easily and exactly as a whole heat up the optimal operating temperature or temper. The heating elements can save space and energy and housed with high efficiency will. A heat-insulating housing is also relative easy to install. Within the scope of this invention, it should advantageously installed to ensure uniformity improve tempering and energy consumption continue to diminish. Between the anilox roller and the paint stripper come in one Short inking unit has significantly stronger shear forces than, for example for siphon or film inking units. This is from positive influence on the supply and dosage of Melt printing ink to the inking roller and the printing form. Another and when using melt printing inks important advantage can be seen in the fact that with short inking units the coloring is not special must be controlled.
- All printing inks consist basically of colorants (Pigments, dyes), binders (resins, macromolecular Compounds), diluents and auxiliary substances (e.g. waxes, surfactants).
- the rheological behavior in the Printing press, the solidification process and the mechanical Qualities of the solidified ink layer depend essentially of the properties and proportions by mass of binders and thinners.
- melt printing inks with a suitable one Condition of the binders even without such diluents produce (or as an intermediate Form of preparation with non-crystalline, relatively low molecular weight Resins, condensation products or polymers). In general, however, they are then ready for printing too tough, and the transition from solid to liquid and then again solid state runs too slowly and in one too wide a temperature range.
- a binder with a crystalline or partial crystalline diluent i.e. a substance with a much lower molecular weight then that component acts in the melt the lower the viscosity Molecular weight and the narrow melting range.
- the mutual lowering of the melting point or melting range of two more compatible with each other Substances always depend on their molar mass relation is the eutectic melting range of a mixture of a low molecular weight substance with a higher molecular weight shifted in the direction of the first.
- hot melt adhesive application process in use where the glue is printed using a process over the whole area or limited to certain areas is applied.
- Another important area of application such substance mixtures are individual duplication processes, especially thermal transfer printing and inkjet printing, as well as processes, in which preparations of similar composition as toner powder in photocopiers or in laser printers be used.
- Procedures are also occasionally used for printing have been proposed in which with a Fixed at room temperature, for processing by melting liquefied ink is worked.
- Such procedures are in the publications DE 26 35 226 A1, DE 31 38 881 A1, DE 42 05 713 A1 and DE 42 05 636 A1.
- the latter publication also deals with methods of processing such Printing inks.
- they should be conventional Gravure printing can be used; on the other hand, it becomes a special one Proposed planographic process in which the to a foil-shaped melt printing ink a printing cylinder fed with a flat surface.
- There should they are selectively heated pixel by pixel according to the print motif, the heated and thus melted pixels can be transferred directly to the substrate.
- melt printing inks within the scope of the invention may be suitable Substances and compositions for binders and (solid) diluent as mentioned on experience from the application areas mentioned, in particular to the principles and publications mentioned above, be resorted to.
- Resins, polymers and polycondensates can be used as binders and some (also modified) natural products can be used individually or in combination.
- boundary conditions When choosing the following boundary conditions should be observed: They have to be fusible and together with them used them compared to lower molecular weight diluents be sufficiently tolerated. Your melting range must be high enough that the whole, with them manufactured ink not below 30 ° C, preferably not below 40 ° C, melts. You have to be chemical be so stable that they are repeated and long-term heating to the required Do not disturb the operating temperature, i.e. do not decompose, not degraded to a disruptive extent and not in a practical application restricting scope.
- the function of the crystalline solid at room temperature or partially crystalline melt ink diluent has been described above.
- they should be the combination binder / diluent one close enough to that of the diluent give a narrow, eutectic melting range.
- the desired Compatibility means that they are with the binder do not respond, and that when necessary Mixing ratio no disturbing phase separation occurs. As a rule, no water-soluble substances can be used because of the ink layer becomes sensitive to water.
- Suitable melt ink diluents are many Waxes and paraffins. Waxes and paraffins are common to the low molecular weight crystalline substances. If they also contain relatively high molecular weight components, such as. some polyolefin waxes, then they will like also (depending on temperature) some polymers and polycondensates, the partially crystalline, i.e. Not that one entirely glassy / amorphous substances. Besides many organic compounds are fundamental usable, e.g. Fatty acids, fatty acid esters, fatty alcohols, Fatty acid amides, N-acyl compounds, urea derivatives and toluenesulfonamides. Of course can also use the diluent as a mixture of several Substances are used.
- Binder properties to a generally required Diluents are dispensed with, provided then the whole melt printing ink preparation does not becomes viscous and applied to the process Temperature differences reacted too slowly.
- Such intermediate stages can e.g. Help with the necessary speed in planographic printing. To reach them you can e.g. the mass fraction keep diluents low.
- oils i.e. of relatively low molecular weight organic compounds, which are liquid at room temperature and their vapor pressure is sufficiently low. Then they don't bother either heatset web offset printing, where about 10 to 15% of the oils used in the dried ink layer remain, the capacity of the paper and of the pigments is sufficient for the ink layer becomes mechanically strong enough.
- Melt printing inks are both within the scope of the invention Flat and high pressure from the short inking units transferable to the substrate.
- Rotary printing is preferred. These behave as a liquid melt Melt printing inks if they are composed accordingly are and if the appropriate temperature is maintained is basically, like a traditional, printing ink liquid at room temperature.
- At the preferred rotary printing is the printing form on a rotating cylinder attached from which the printing ink directly or indirectly on a web through the Printing unit-guided printing material is transferred.
- the Processes according to the invention can be used for printing speeds of more than 3 m / s or even 5 m / s. According to the current state of knowledge is of it assume that in the course of optimizing the process print speeds of over 8 m / s can also be achieved.
- melt printing inks are advantageously the Printing company in the form of a pourable or pourable granulate delivered.
- Other shapes are also possible, for example in heated liquid containers or as a solidified barrel filling.
- the melt printing ink is the ink fountain or possibly the ink tray of the short inking unit or an intermediate container upstream of the inking unit supplied and at the latest there to the required temperature heated and liquefied.
- An intermediate container is recommended, for example, if the anilox roller is over a chambered doctor blade or one described in DE 33 02 872 A1 Immediately loaded device with printing ink becomes.
- Melt printing inks can for example also in molten form from a heated tank a suitable pipeline to the heated inking unit or be fed to the intermediate container.
- the remaining parts of the entire printing unit including the short inking unit are heated so that the Printing ink until transfer to the substrate and until the return of your stripped (scraped) Share in the color box, the ink tray or the The intermediate container remains liquid.
- heaters are provided on the one hand inside metal parts, cavities filled with heating fluid or radiators or heating wires and on the other hand from the outside effective convectors, radiators or warm air blowers, as well as their combinations.
- Advantageously is the heating or tempering by a heat insulating Housing and a device for control and Temperature regulation added. So that can Uniformity of tempering improved and the Energy consumption can be reduced.
- Such heaters can be used with the compact printing units It is much easier to install short inking units than with those with the larger volume, previously in heatset printing roller inks used.
- the operating temperature depends in particular on the Mechanism of the actual printing process (planographic printing, High pressure), the printing form material, the printing press related Specifications and the properties of the used Melt printing inks. It is between 30 ° C and 160 ° C, preferably between 50 ° C and 120 ° C, however in the case of wet offset printing, the printing form (the Plate cylinder) should not be warmer than 90 ° C. It can be provided that the temperature within this range in the area of the intermediate container (if available), the ink fountain or the ink tray and the ink metering device (i.e. from anilox roller and scraper) is higher than on the subsequent one Ink path, i.e. on application roller (s), Printing form and possibly blanket.
- Such one Temperature difference of up to 35 ° C can be beneficial be.
- temperatures in the respective operating conditions expediently set empirically.
- she should advantageously be better than ⁇ 12 ° C, preferred be kept constant better than ⁇ 6 ° C.
- the substrate especially paper
- the substrate is usually unheated fed to the printing unit, so that the melt printing ink adsorbed immediately after printing becomes and solidifies. Under special conditions, it can Paper also shortly before it enters the printing unit Temperature to be warmed up below the operating temperature and is above room temperature in order to Adsorption a little ahead of solidification too give.
- the fresh print can still if necessary be further solidified.
- the printing method according to the invention includes both Flat printing as well as the letterpress. Generally beneficial it is at high pressure that no dampening is required is.
- the planographic printing has the advantage that screened areas reproduced better and thinner ink layers are achievable, the more evenly and to a higher Share of the substrate to be taken up so that the printing ink already has a reliably larger proportion is solidified by adsorption.
- the melting temperature must the ink and the corresponding temperature of the printing unit so that the dampening solution not dried away too quickly. Therefore, the Printing form (the plate cylinder) heated to a maximum of 90 ° C be.
- Known fountain solution additives which, for example, polyhydric alcohols (e.g. glycerin) included, used. You can also inside of the printing unit surrounded by a heat-insulating housing including short inking unit the water vapor partial printing targeted increase. On the other hand, the opposite the prior art increased application temperature be used so that there is not too much water in the Ink accumulates.
- the printing method according to the invention can also in waterless offset printing, which has been used to advantage market share that is no longer insignificant in the past few years and the winner is. So far in flat printing a heating of the blanket cylinder is to be avoided is the direct one Flat printing (di-litho) to use.
- Heating energy is only for the limited volume of the Ink leading part of the entire printing unit including the short inking unit and, if applicable, one upstream intermediate container required. As a result much less energy is required than with the previous one Heatset process.
- the dryer is there at 130 operated up to 300 ° C hot air, the afterburning at 740 to 800 ° C. According to the invention, only 30 to 160 ° C. needed for much lower mass flows.
- the facilities for the dryer and afterburning are so far large volume. You can along with the also large volume Heat exchangers can be saved. Arise practically no emissions. Even the emission of carbon dioxide, Heat and combustion by-products become significant reduced. The procedure does not result in any health problems or explosive steam-air mixtures generated so that no special security installations and precautions are required.
- peripheral systems for ventilation and supply with compressed air or flowing (hot) air can do a lot be smaller than with the heatset process.
- a supply with heating gas can possibly be dispensed with entirely, because of the relatively small need for heating energy elsewhere can be covered.
- less has to be done in terms of quantity Printing ink are delivered because they are not at the Contains drying volatile components.
- pourable or free-flowing granulated Forms are handling, packaging, storage and Transport less expensive than with the previous liquid Printing inks.
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- Printing Methods (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Glass Compositions (AREA)
- Photoreceptors In Electrophotography (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
Claims (16)
- Druckverfahren zum Bedrucken eines Bedruckstoffs mit hoher Druckgeschwindigkeit und hoher Druckqualität im Flach- oder Hochdruck, bei welchemin einem Druckwerk eine Druckfarbe durch ein Farbwerk, das mindestens eine weich-elastische Farbauftragswalze umfaßt, auf die Oberfläche einer starrharten Druckform aufgebracht, von dort auf den Bedruckstoff übertragen und anschließend verfestigt wird,und bei welchem folgende Maßnahmen kombiniert sind:das Farbwerk ist ein Kurzfarbwerk, das eine Rasterwalze mit einer Farbabstreifvorrichtung aufweist,es wird eine bei Raumtemperatur feste, durch Wärmezufuhr verflüssigbare Druckfarbe eingesetzt,das Kurzfarbwerk und ihm nachgeschaltete, Druckfarbe führende Teile des Druckwerks werden auf eine Temperatur oberhalb der Verflüssigungstemperatur der Druckfarbe temperiert,die auf den Bedruckstoff aufgedruckte Druckfarbe wird durch Abkühlen verfestigt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Druckform auf eine Temperatur oberhalb der Verflüssigungstemperatur der Druckfarbe temperiert wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß ein dem Farbwerk vorgeschalteter Zwischenbehälter auf eine Temperatur oberhalb der Verflüssigungstemperatur der Druckfarbe temperiert wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß ein gegebenenfalls dem Farbwerk vorgeschalteter Zwischenbehälter, das Farbwerk und Druckfarbe führende Teile des Druckwerks auf 30 °C bis 160 °C, bevorzugt 50 °C bis 120 °C temperiert werden.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Farbwerk, insbesondere die Rasterwalze mit der zugehörigen Abstreifvorrichtung, auf eine Temperatur temperiert wird, die höher ist als die Temperatur der nachgeschalteten, Druckfarbe führenden Teile des Druckwerks.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß das Farbwerk, insbesondere die Rasterwalze mit der zugehörigen Abstreifvorrichtung, auf eine Temperatur temperiert wird, die um mehr als 10 K höher ist als die Temperatur der Druckform.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß eine dem Farbwerk vorgeschaltete, ihm Druckfarbe in schmelzflüssigem Zustand zuführende Farbzuführungsvorrichtung auf eine Temperatur temperiert wird, die höher ist als die von denjenigen Druckfarbe führenden Teilen des Druckwerks, die der Rasterwalze und der Abstreifvorrichtung nachgeschaltet sind.
- Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß die Farbzuführungsvorrichtung auf eine Temperatur temperiert wird, die um mehr als 10 K höher ist als die Temperatur der Druckform.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß das Bedrucken im Naßoffset-Verfahren erfolgt und die Druckform auf maximal 90 °C temperiert wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Temperierung des Farbwerks oder dem Farbwerk nachgeschalteter, Druckfarbe führender Teile des Druckwerks durch eine umgebende Wärmeisolierung unterstützt wird.
- Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß innerhalb des wärmeisolierten Raums ein erhöhter Wasserdampfpartialdruck eingestellt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zum Abkühlen der aufgedruckten Druckfarbe eine Kühlvorrichtung verwendet wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Druckfarbe verdruckt wird, deren Bindemittel mit einem Verdünnungsmittel vermischt ist, welches ein niedrigeres Molekulargewicht als das Bindemittel hat.
- Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß eine Druckfarbe verdruckt wird, deren Verdünnungsmittel bei Raumtemperatur kristallin oder teilweise kristallin ist.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Druckverfahren im Rotationsdruck durchgeführt wird, wobei die Druckform auf einem rotierenden Zylinder angebracht ist, von dem die Druckfarbe direkt oder indirekt auf einen bahnförmig durch das Druckwerk geführten Bedruckstoff übertragen wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mit einer Druckgeschwindigkeit gedruckt wird, die größer als 3 m/s, bevorzugt größer als 5 m/s und besonders bevorzugt größer als 8 m/s ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4439007 | 1994-11-02 | ||
DE4439007A DE4439007C2 (de) | 1994-11-02 | 1994-11-02 | Druckverfahren |
PCT/DE1995/001486 WO1996014211A1 (de) | 1994-11-02 | 1995-10-21 | Druckverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0790893A1 EP0790893A1 (de) | 1997-08-27 |
EP0790893B1 true EP0790893B1 (de) | 1998-08-12 |
Family
ID=6532222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95935809A Expired - Lifetime EP0790893B1 (de) | 1994-11-02 | 1995-10-21 | Druckverfahren |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0790893B1 (de) |
AT (1) | ATE169561T1 (de) |
DE (2) | DE4439007C2 (de) |
ES (1) | ES2121422T3 (de) |
WO (1) | WO1996014211A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50012980D1 (de) * | 2000-01-20 | 2006-07-27 | Siegwerk Druckfarben Ag | Heissschmelzdruckfarbe |
DE102004042266A1 (de) * | 2004-09-01 | 2006-03-02 | Koenig & Bauer Ag | Verfahren zum Betreiben eines Kurzfarbwerkes eine Druckmaschine |
US20100064917A1 (en) * | 2006-11-24 | 2010-03-18 | Goss International Montataire Sa | Printing machine and corresponding method |
US9605900B2 (en) * | 2015-04-22 | 2017-03-28 | Ricoh Company, Ltd. | Adjustable interlacing of drying rollers in a print system |
CN107933081A (zh) * | 2017-11-13 | 2018-04-20 | 上海正伟印刷有限公司 | 一种新型立体烫印卷标生产装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3101243C2 (de) * | 1981-01-16 | 1983-10-13 | Niedermayr Papierwarenfabrik Ag, 8200 Rosenheim | Rotatives Flexo- bzw. indirektes Tiefdruckverfahren, sowie Vorrichtung zur Durchführung des Verfahrens |
DE3302872A1 (de) * | 1983-01-28 | 1984-10-11 | Albert-Frankenthal Ag, 6710 Frankenthal | Kurzfarbwerk |
US4559872A (en) * | 1984-04-30 | 1985-12-24 | Markem Corporation | Printing apparatus using heated ink composition |
EP0314189A3 (de) * | 1987-10-29 | 1991-01-02 | Canon Kabushiki Kaisha | Druckverfahren |
IT1216094B (it) * | 1988-03-15 | 1990-02-22 | Plastiver Sas Di Giovanni E Vi | Genere. apparato per la stampa a caldo su carta e supporti laminari in |
DE4205682A1 (de) * | 1992-02-25 | 1993-08-26 | Berrenbaum Gmbh | Vorrichtung und verfahren zum bedrucken von materialbahnen |
-
1994
- 1994-11-02 DE DE4439007A patent/DE4439007C2/de not_active Expired - Fee Related
-
1995
- 1995-10-21 AT AT95935809T patent/ATE169561T1/de not_active IP Right Cessation
- 1995-10-21 WO PCT/DE1995/001486 patent/WO1996014211A1/de active IP Right Grant
- 1995-10-21 DE DE59503206T patent/DE59503206D1/de not_active Expired - Fee Related
- 1995-10-21 ES ES95935809T patent/ES2121422T3/es not_active Expired - Lifetime
- 1995-10-21 EP EP95935809A patent/EP0790893B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
FLEXOGRAPHIC PRINTING: "ENCYCLOPEDIA OF SCIENCE & TECHNOLOGY; Band 14; Seiten 301 und 302", GRAW-HILL * |
Also Published As
Publication number | Publication date |
---|---|
EP0790893A1 (de) | 1997-08-27 |
ES2121422T3 (es) | 1998-11-16 |
DE4439007C2 (de) | 1997-04-30 |
DE59503206D1 (de) | 1998-09-17 |
DE4439007A1 (de) | 1996-05-09 |
ATE169561T1 (de) | 1998-08-15 |
WO1996014211A1 (de) | 1996-05-17 |
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