EP0352520A2 - Offset printing process - Google Patents
Offset printing process Download PDFInfo
- Publication number
- EP0352520A2 EP0352520A2 EP89112330A EP89112330A EP0352520A2 EP 0352520 A2 EP0352520 A2 EP 0352520A2 EP 89112330 A EP89112330 A EP 89112330A EP 89112330 A EP89112330 A EP 89112330A EP 0352520 A2 EP0352520 A2 EP 0352520A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- blanket
- ink
- printed
- moisture
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007645 offset printing Methods 0.000 title claims abstract description 8
- 238000007639 printing Methods 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000976 ink Substances 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000011888 foil Substances 0.000 abstract description 2
- 239000011022 opal Substances 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 description 7
- 229920006255 plastic film Polymers 0.000 description 6
- 239000005871 repellent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/06—Lithographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
Definitions
- the invention relates to a method for printing substrates in offset printing, after which a printing form is moistened and colored with a printing ink, then the printed image is transferred from the colored printing form to a blanket and from the blanket to the printing material.
- offset printing is a planographic printing process in which the printing and non-printing points of the printing form are practically in one plane.
- the printing form is prepared in such a way that the non-ink-carrying areas have water-holding and ink-repellent properties, while the ink-carrying areas, on the other hand, have ink-retaining and water-repellent properties.
- the non-printing areas of the printing plate are moistened by means of a dampening unit, while the printing ink is applied to the printing areas by means of an inking unit.
- the printed image of the inked printing form which can be a printing plate or a printing cylinder, is first transferred to a blanket cylinder.
- the actual printing on the printing material takes place, which is regularly a sheet of paper or plastic film to be printed.
- several offset printing units are arranged in series or battery-like one behind the other, so that each printing unit is responsible for printing one printing ink.
- the printing material is only printed once with each printing ink.
- this one-time printing is insufficient if a particularly high color saturation or a color-intensive printing result is required.
- This applies in particular to banners or transparent plastic films that are used in illuminated advertising. Plastic films of this type remain pale because, unlike paper, the color effect is significantly lower even with the same coating thickness applied. Now one could think of printing plastic film - this also applies in principle to other substrates - several times, i.e.
- the invention has for its object to provide a method of the type described above, according to which moisture-repellent substrates and in particular plastic films for illuminated advertising can be easily and quickly printed with high color saturation in offset printing.
- the invention in a generic method in that the rubber blanket is colored several times with the respective printing ink and thereby a printed image with an increased ink layer thickness is produced on the rubber blanket, so that the printed image is then transferred from the rubber blanket to the printing material in a single printing operation. and that before the transfer of the printing ink or the printed image with increased ink layer thickness onto the printing material, moisture or water present on the rubber blanket is removed and then a non-hygroscopic printing material is printed.
- blanket means any material which transfers the printing ink from the printing form to the printing material and which is suitable for the supersaturated absorption of printing ink.
- the rubber blanket that is used regularly can become oversaturated, so it has the property of actually absorbing the printing ink in the sense of multiple coloring.
- the rubber blanket is colored several times by repeatedly moistening and inking the printing form and after each ink application the blanket cylinder - the blanket is regularly clamped on a cylinder - absorbs the printing or color image from the inked printing form until the desired ink layer thickness application is achieved .
- the moisture (water) transferred to the blanket with the printing ink is removed according to the teaching of the invention. Only then is the print image with the corresponding high ink layer thickness transferred precisely and precisely in one-time printing to the non-hygroscopic substrate.
- the non-hygroscopic printing substrate printed according to the teaching of the invention is distinguished by special color intensity or high color saturation, which can be easily controlled by pressure. In any case, it can easily be determined by checking how often the rubber blanket has to be dyed and dehumidified or dewatered, for example whether double, triple, quadruple, etc. dyeing and dehumidification or dewatering of the blanket taking into account the respective color, moisture and desired color saturation is required. Once a standard is made, all sheets can be printed continuously. A color-intensive and sharp printed product is always created.
- the invention provides that the moisture or water is completely removed from the printing form on the rubber blanket immediately after the respective ink transfer.
- the invention recommends that the rubber blanket be blown on to remove moisture or water, e.g. is blown with warm air.
- the rubber blanket used for each printing ink is dyed and dehumidified or dewatered several times, and the individual printing inks are printed together in succession by one-time printing.
- the invention teaches the use of see-through foils as printing materials for producing luminous displays or color slides.
- the teaching of the invention even with see-through films or substrates made of transparent plastics, such as Rigid PVC can achieve an excellent color effect due to the increased paint layer thickness so that the color contrasts required for illuminated advertising are guaranteed.
- the increased ink layer thickness required for luminous transparencies can only be achieved by multiple transfer of the printing ink to the rubber blanket, especially taking into account today's highly pigmented printing inks. This in turn requires the removal of moisture or water from the rubber blanket when printing on non-hygroscopic materials such as see-through films made of plastic. In fact, the amount of ink is so high that the printed material can only be viewed in fluoroscopy.
- the method according to the invention is suitable both when using standard dampening systems and also from alcohol dampening systems.
- a blower series assigned to the rubber blanket or rubber cylinder ensures the necessary dehumidification or dewatering.
- the use of heat rays or similar heating devices is also conceivable as long as there is no longer any fear of the ink drying out prematurely.
Landscapes
- Printing Methods (AREA)
- Rotary Presses (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Bedrucken von Bedruckstoffen im Offsetdruck, wonach eine Druckform befeuchtet und mit einer Druckfarbe eingefärbt wird, dann das Druckbild von der eingefärbten Druckform auf ein Gummituch und von dem Gummituch auf den Bedruckstoff übertragen wird.The invention relates to a method for printing substrates in offset printing, after which a printing form is moistened and colored with a printing ink, then the printed image is transferred from the colored printing form to a blanket and from the blanket to the printing material.
Bei Offsetdruck handelt es sich bekanntlich um ein Flachdruckverfahren, bei welchem die druckenden und nicht druckenden Stellen der Druckform praktisch in einer Ebene liegen. Die Druckform ist so präpariert, daß die nicht farbführenden Stellen wasserhaltende und farbabstoßende, die farbführenden Stellen dagegen farbhaltende und wasserabstoßende Eigenschaften haben. Die nicht druckenden Stellen der Druckplatte werden mittels eines Feuchtwerkes befeuchtet, während die Druckfarbe mittels eines Farbwerkes auf die druckenden Stellen aufgebracht wird. Das Druckbild der eingefärbten Druckform, bei der es sich um eine Druckplatte oder einen Druckzylinder handeln kann, wird zunächst auf einen Gummituchzylinder übertragen. Von dem Gummituchzylinder erfolgt dann der eigentliche Druck auf den Bedruckstoff, bei dem es sich regelmäßig um einen zu bedruckenden Bogen aus Papier oder Kunststoffolie handelt. Bei Mehrfarbendruck werden mehrere Offsetdruckwerke in Reihenbauweise bzw. batterieartig hintereinander angeordnet, so daß jedes Druckwerk den Druck einer Druckfarbe besorgt. Im allgemeinen wird der Bedruckstoff mit jeder Druckfarbe nur einmal bedruckt. Dieses einmalige Bedrucken ist jedoch dann unzureichend, wenn eine besonders hohe Farbsättigung bzw. ein farbintensives Druckergebnis verlangt wird. Das gilt insbesondere für Transparente bzw. durchsichtige Kunststoffolien, die in der Leuchtwerbung eingesetzt werden. Derartige Kunststoffolien bleiben blaß, weil anders als bei Papier die Farbwirkung selbst bei gleichem Farbschichtdickenauftrag deutlich geringer ist. Nun könnte man daran denken, Kunststoffolie - das gilt grundsätzlich aber auch für andere Bedruckstoffe - mehrfach zu bedrucken, also den Offsetdruck mehrfach durchzuführen. Ein derartiger Mehrfachdruck ist jedoch in verschiedener Hinsicht nachteilig. So treten beispielsweise Doubliereffekte auf, wonach sich die Rasterpunkte gleicher Druckfarbe versetzen. Denn der Be druckstoff wird infolge von Zugbeanspruchungen bei den einzelnen Druckvorgängen verzerrt. Daraus wiederum resultieren Tonwert- bzw. Farbverschiebungen und folglich eine unbefriedigende Graduation. Im Ergebnis ist das im Wege des Mehrfachdrucks hergestellte Druckerzeugnis unscharf und weist auch nicht die verlangte Farbsättigung schon wegen der Farbverschiebungen auf.As is known, offset printing is a planographic printing process in which the printing and non-printing points of the printing form are practically in one plane. The printing form is prepared in such a way that the non-ink-carrying areas have water-holding and ink-repellent properties, while the ink-carrying areas, on the other hand, have ink-retaining and water-repellent properties. The non-printing areas of the printing plate are moistened by means of a dampening unit, while the printing ink is applied to the printing areas by means of an inking unit. The printed image of the inked printing form, which can be a printing plate or a printing cylinder, is first transferred to a blanket cylinder. From the blanket cylinder, the actual printing on the printing material takes place, which is regularly a sheet of paper or plastic film to be printed. In multi-color printing, several offset printing units are arranged in series or battery-like one behind the other, so that each printing unit is responsible for printing one printing ink. In general, the printing material is only printed once with each printing ink. However, this one-time printing is insufficient if a particularly high color saturation or a color-intensive printing result is required. This applies in particular to banners or transparent plastic films that are used in illuminated advertising. Plastic films of this type remain pale because, unlike paper, the color effect is significantly lower even with the same coating thickness applied. Now one could think of printing plastic film - this also applies in principle to other substrates - several times, i.e. performing the offset printing several times. However, such multiple printing is disadvantageous in several respects. For example, duplication effects occur, after which the halftone dots of the same printing ink move. Because the Be Printing material is distorted due to tensile stress during the individual printing processes. This in turn results in tonal value or color shifts and consequently an unsatisfactory graduation. As a result, the printed product produced by means of multiple printing is blurred and does not have the required color saturation because of the color shifts.
Allerdings ist ein Verfahren zur Steigerung der Farbsättigung bekannt, wonach das Gummituch mittels der Druckform zweimal bedruckt wird und erst dann das zweimal bedruckte Gummituch die Druckfarbe in einem einzigen Druckvorgang auf den Bedruckstoff überträgt. In diesem Fall findet als Bedruckstoff jedoch Papier Verwendung, bei dem es sich um ein feuchtigkeits- und farbannahmewilliges Material handelt. Feuchtigkeitsabstoßende und hinsichtlich der Farbannahme unwillige Bedruckstoffe wie beispielsweise Kunststoffe bzw. Kunststoffolien lassen sich nach diesem bekannten Verfahren jedoch nicht bedrucken. Denn stets wird außer der Druckfarbe auch Feuchtigkeit bzw. Wasser von der Druckplatte auf das Gummituch übertragen. Während die Feuchtigkeit beim Bedrucken von Papier von eben diesem hygroskopischen Bedruckstoff begierig aufgenommen wird, verbleibt sie hingegen beim Bedrucken feuchtigkeitsabweisender Bedruckstoffe wie Kunststoffe bzw. Kunststoffolien auf dem Gummituch. Folglich baut sich auf dem Gummituch schon nach wenigen Druckvorgängen derart viel Feuchtigkeit bzw. Wasser auf, daß die Druckfarbe hiervon einerseits teilweise verdrängt wird, andererseits teilweise mit dem Wasser emulgiert. Daraus resultiert ein ungleichmäßiger und farbschwacher Druck. Hinzu kommt, daß die mit dem Wasser emulgierte Druckfarbe nicht mehr trocknen kann. Der Grund hierfür ist in der oberflächlichen Antrocknung der Druckfarbe zu suchen, die beim Bedrucken von feuchtigkeitsundurchlässigen Materialien keine Feuchtigkeit bzw. Wasser mehr in den Bedruckstoff abgeben kann.However, a method for increasing the color saturation is known, according to which the rubber blanket is printed twice by means of the printing form and only then does the double-printed rubber blanket transfer the printing ink to the printing material in a single printing process. In this case, however, paper is used as the printing material, which is a material that is willing to absorb moisture and ink. However, moisture-repellent substrates that are unwilling to accept ink, such as plastics or plastic films, cannot be printed using this known method. Because in addition to the printing ink, moisture or water is always transferred from the printing plate to the rubber blanket. While the moisture is eagerly absorbed by this hygroscopic printing material when printing on paper, it remains on the rubber blanket when printing on moisture-repellent printing materials such as plastics or plastic films. Consequently, after a few printing processes, so much moisture or water builds up on the rubber blanket that the printing ink is partly displaced by it on the one hand, and partly emulsified with the water on the other hand. This results in an uneven and poorly colored print. In addition, the printing ink emulsified with the water can no longer dry. The reason for this is to be found in the superficial drying of the printing ink, which can no longer release moisture or water into the printing material when printing on moisture-impermeable materials.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs beschriebenen Art anzugeben, wonach sich feuchtigkeitsabweisende Bedruckstoffe und insbesondere Kunststoffolien für Leuchtwerbung einfach und schnell mit hoher Farbsättigung im Offsetdruck einwandfrei bedrucken lassen.The invention has for its object to provide a method of the type described above, according to which moisture-repellent substrates and in particular plastic films for illuminated advertising can be easily and quickly printed with high color saturation in offset printing.
Diese Aufgabe löst die Erfindung bei einem gattungsgemäßen Verfahren dadurch, daß das Gummituch mit der jeweiligen Druckfarbe mehrfach eingefärbt und dadurch auf dem Gummituch ein Druckbild mit erhöhter Farbschichtdicke erzeugt wird, daß dann das Druckbild in einem einzigen Druckvorgang von dem Gummituch auf den Bedruckstoff übertragen wird, und daß vor der Übertragung der Druckfarbe bzw. des Druckbildes mit erhöhter Farbschichtdicke auf den Bedruckstoff auf dem Gummituch vorhandene Feuchtigkeit bzw. Wasser entfernt und dann ein nicht hygroskopischer Bedruckstoff bedruckt wird. - Im Rahmen der Erfindung meint Gummituch jedes die Druckfarbe von der Druckform auf den Bedruckstoff übertragende Material, welches zur übersättigten Aufnahme von Druckfarbe geeignet ist. Denn das regelmäßig eingesetzte Gummituch kann übersättigt werden, hat also die Eigenschaft, die Druckfarbe im Sinne des mehrfachen Einfärbens tatsächlich auch aufzunehmen. Das mehrfache Einfärben des Gummituches erfolgt dadurch, daß die Druckform wiederholt befeuchtet und eingefärbt wird und nach jedem Farbauftrag der Gummituchzylinder - das Gummituch ist regelmäßig auf einen Zylinder aufgespannt - von der eingefärbten Druckform das Druck- bzw. Farbbild aufnimmt, bis der gewünschte Farbschichtdickenauftrag erreicht ist. Die mit der Druckfarbe auf das Gummituch übertragene Feuchtigkeit (Wasser) wird nach Lehre der Erfindung entfernt. Erst dann wird das Druckbild mit der entsprechenden hohen Farbschichtdicke paßgenau und exakt im Einmaldruck auf den nicht hygroskopischen Bedruckstoff übertragen. Überraschenderweise wird nicht nur eine einwandfreie Ablösung der Druckfarbe in der benötigten Schichtdicke von dem Gummituch erreicht, sondern außerdem eine einwandfreie Annahme der Druckfarbe auf dem nicht nur feuchtigkeitsabstoßenden, sondern darüber hinaus auch farbannahmeunwilligen Bedruckstoff. Infolge des gleichsam entfeuchteten bzw. entwässerten Einmaldrucks werden Doubliereffekte vermieden, finden Tonwert- bzw. Farbverschiebungen nicht statt. Vielmehr zeichnet sich der nach der Lehre der Erfindung bedruckte nicht hygroskopische Bedruckstoff durch besondere Farbintensität bzw. hohe Farbsättigung aus, die unschwer durch Andrucke kontrolliert werden kann. Jedenfalls läßt es sich im Wege der Kontrolle unschwer feststellen, wie oft das Gummituch eingefärbt und entfeuchtet bzw. entwässert werden muß, ob also beispielsweise ein zweifaches, dreifaches, vierfaches usw. Einfärben und Entfeuchten bzw. Entwässern des Gummituches unter Berücksichtigung der jeweiligen Farbe, Feuchtigkeit und gewünschten Farbsättigung erforderlich ist. Wenn einmal ein Standard hergestellt ist, können sämtliche Bögen fortlaufend bedruckt werden. Stets entsteht ein farbintensives und scharfes Druckerzeugnis.This object is achieved by the invention in a generic method in that the rubber blanket is colored several times with the respective printing ink and thereby a printed image with an increased ink layer thickness is produced on the rubber blanket, so that the printed image is then transferred from the rubber blanket to the printing material in a single printing operation. and that before the transfer of the printing ink or the printed image with increased ink layer thickness onto the printing material, moisture or water present on the rubber blanket is removed and then a non-hygroscopic printing material is printed. - Within the scope of the invention, blanket means any material which transfers the printing ink from the printing form to the printing material and which is suitable for the supersaturated absorption of printing ink. Because the rubber blanket that is used regularly can become oversaturated, so it has the property of actually absorbing the printing ink in the sense of multiple coloring. The rubber blanket is colored several times by repeatedly moistening and inking the printing form and after each ink application the blanket cylinder - the blanket is regularly clamped on a cylinder - absorbs the printing or color image from the inked printing form until the desired ink layer thickness application is achieved . The moisture (water) transferred to the blanket with the printing ink is removed according to the teaching of the invention. Only then is the print image with the corresponding high ink layer thickness transferred precisely and precisely in one-time printing to the non-hygroscopic substrate. Surprisingly, not only is a perfect detachment of the printing ink in the required layer thickness from the rubber blanket achieved, but also a perfect acceptance of the printing ink on the not only moisture-repellent but also ink unwilling printing material. As a result of the dehumidified or dewatered one-time printing, doubling effects are avoided and there are no tonal value or color shifts. Rather, the non-hygroscopic printing substrate printed according to the teaching of the invention is distinguished by special color intensity or high color saturation, which can be easily controlled by pressure. In any case, it can easily be determined by checking how often the rubber blanket has to be dyed and dehumidified or dewatered, for example whether double, triple, quadruple, etc. dyeing and dehumidification or dewatering of the blanket taking into account the respective color, moisture and desired color saturation is required. Once a standard is made, all sheets can be printed continuously. A color-intensive and sharp printed product is always created.
Weitere erfindungswesentliche Merkmale sind im folgenden aufgeführt. So sieht die Erfindung vor, daß die Feuchtigkeit bzw. das Wasser unmittelbar nach der jeweiligen Farbübertragung von der Druckform auf das Gummituch vollständig entfernt wird. Nach einem Vorschlag mit selbständiger Bedeutung empfiehlt die Erfindung, daß das Gummituch zum Entfernen der Feuchtigkeit bzw. des Wassers angeblasen, z.B. mit Warmluft angeblasen wird. Bei Mehrfarbendruck wird erfindungsgemäß für jede Druckfarbe das jeweils verwendete Gummituch mehrfach eingefärbt und entfeuchtet bzw. entwässert und der Zusammendruck der einzelnen Druckfarben nacheinander durch jeweils Einmaldruck vorgenommen. Zum Herstellen von Leuchtdisplays bzw. Farbdiapositive lehrt die Erfindung die Verwendung von Durchsichtfolien als Bedruckstoffe. Tatsächlich läßt sich nach der Lehre der Erfindung selbst bei Durchsichtfolien bzw. Bedruckstoffen aus transparenten Kunststoffen wie z.B. Hart-PVC eine hervorragende Farbwirkung infolge des erhöhten Farbschichtdickenauftrages erreichen, so daß die für die Leuchtwerbung erforderlichen Farbkontraste gewährleistet sind. Der für Leuchttransparente notwendige, erhöhte Farbschichtdickenauftrag läßt sich nur durch eine Mehrfachübertragung der Druckfarbe auf das Gummituch erreichen, insbesondere unter Berücksichtigung bei den heutigen hochpigmentierten Druckfarben. Das verlangt wiederum die Entfernung der Feuchtigkeit bzw. des Wassers vom Gummituch beim Bedrucken von nicht hygroskopischen Materialien wie Durchsichtfolien aus Kunststoff. Tatsächlich ist der Farbauftrag derart hoch, daß das bedruckte Material nur noch in Durchleuchtung betrachtet werden kann. - Das erfindungsgemäße Verfahren ist sowohl bei der Verwendung von Standard-Feuchtwerken als auch von Alkohol-Feuchtwerken geeignet. Eine dem Gummituch bzw. Gummizylinder zugeordnete Gebläsereihe sorgt für die erforderliche Entfeuchtung bzw. Entwässerung. Allerdings ist auch der Einsatz von Wärmestrahlen oder dergleichen Heizvorrichtungen denkbar, solange ein vorzeitiges Austrocknen der Druckfarbe nicht mehr zu befürchten ist.Further features essential to the invention are listed below. Thus, the invention provides that the moisture or water is completely removed from the printing form on the rubber blanket immediately after the respective ink transfer. According to a proposal of independent importance, the invention recommends that the rubber blanket be blown on to remove moisture or water, e.g. is blown with warm air. In the case of multicolor printing, the rubber blanket used for each printing ink is dyed and dehumidified or dewatered several times, and the individual printing inks are printed together in succession by one-time printing. The invention teaches the use of see-through foils as printing materials for producing luminous displays or color slides. In fact, according to the teaching of the invention, even with see-through films or substrates made of transparent plastics, such as Rigid PVC can achieve an excellent color effect due to the increased paint layer thickness so that the color contrasts required for illuminated advertising are guaranteed. The increased ink layer thickness required for luminous transparencies can only be achieved by multiple transfer of the printing ink to the rubber blanket, especially taking into account today's highly pigmented printing inks. This in turn requires the removal of moisture or water from the rubber blanket when printing on non-hygroscopic materials such as see-through films made of plastic. In fact, the amount of ink is so high that the printed material can only be viewed in fluoroscopy. - The method according to the invention is suitable both when using standard dampening systems and also from alcohol dampening systems. A blower series assigned to the rubber blanket or rubber cylinder ensures the necessary dehumidification or dewatering. However, the use of heat rays or similar heating devices is also conceivable as long as there is no longer any fear of the ink drying out prematurely.
Claims (6)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3825480 | 1988-07-27 | ||
| DE19883825480 DE3825480A1 (en) | 1987-08-01 | 1988-07-27 | Method for printing on printing carriers in offset printing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0352520A2 true EP0352520A2 (en) | 1990-01-31 |
| EP0352520A3 EP0352520A3 (en) | 1991-10-23 |
| EP0352520B1 EP0352520B1 (en) | 1995-03-22 |
Family
ID=6359654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89112330A Expired - Lifetime EP0352520B1 (en) | 1988-07-27 | 1989-07-06 | Offset printing process |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4960054A (en) |
| EP (1) | EP0352520B1 (en) |
| JP (1) | JPH0661998B2 (en) |
| AT (1) | ATE120132T1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5231925A (en) * | 1991-07-01 | 1993-08-03 | Roberts Frank W | Method of making a decorated, substantially planar sheet of glass or polymeric material |
| JPH1199610A (en) * | 1997-09-26 | 1999-04-13 | Akiyama Insatsuki Seizo Kk | Air spray perfect and sheet-feed printing method and printing mechanism therefor |
| JP2006297734A (en) * | 2005-04-20 | 2006-11-02 | Komori Corp | Air blowing device of printing machine |
| CN103009838A (en) * | 2012-12-28 | 2013-04-03 | 博源科技材料（烟台）有限公司 | Printing process for realizing matte effect through lithography and flexography |
| CN103144452A (en) * | 2013-03-19 | 2013-06-12 | 中山中荣纸类印刷制品有限公司 | Method for conducting multicolor offset printing on single flexible film |
| JP7105534B2 (en) * | 2016-02-02 | 2022-07-25 | 株式会社ユーホウ | screen printing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE436295C (en) * | 1925-11-15 | 1926-10-29 | Josef Horn | Process for producing rich, effective rubber prints by repeatedly overprinting the sheets using a rotary rubber printing machine |
| DE463315C (en) * | 1926-08-04 | 1928-07-27 | Josef Horn | Rotary rubber printing machine for the production of deep color prints |
| DE851954C (en) * | 1949-12-07 | 1952-10-09 | Rudolf Mueller | Process for producing a saturated color surface and a moisture-free print on offset machines |
| DE1223398B (en) * | 1961-08-28 | 1966-08-25 | Inchbrook Printers Ltd | Offset printing process |
| US4452139A (en) * | 1981-09-08 | 1984-06-05 | Dahlgren Harold P | Dampening fluid evaporator and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4883909A (en) * | 1972-02-14 | 1973-11-08 | ||
| JPS515108A (en) * | 1974-07-01 | 1976-01-16 | Choshiro Tokura | OFUSETSUTOINSATSUKI |
| JPS6026038B2 (en) * | 1978-07-15 | 1985-06-21 | 武内プレス工業株式会社 | Primary color photo plate printing method on curved objects |
| JPS6024990A (en) * | 1983-07-21 | 1985-02-07 | Dainippon Ink & Chem Inc | Forming resist pattern |
| JPS61132399A (en) * | 1984-11-30 | 1986-06-19 | 浜田 秀雄 | Transfer printing sheet |
| AU572367B2 (en) * | 1984-12-18 | 1988-05-05 | De La Rue Giori S.A. | Rotary multicolour indirect printing machine for simultaneously recto-verso printing |
-
1989
- 1989-07-06 EP EP89112330A patent/EP0352520B1/en not_active Expired - Lifetime
- 1989-07-06 AT AT89112330T patent/ATE120132T1/en not_active IP Right Cessation
- 1989-07-26 JP JP1191591A patent/JPH0661998B2/en not_active Expired - Lifetime
- 1989-07-27 US US07/386,908 patent/US4960054A/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE436295C (en) * | 1925-11-15 | 1926-10-29 | Josef Horn | Process for producing rich, effective rubber prints by repeatedly overprinting the sheets using a rotary rubber printing machine |
| DE463315C (en) * | 1926-08-04 | 1928-07-27 | Josef Horn | Rotary rubber printing machine for the production of deep color prints |
| DE851954C (en) * | 1949-12-07 | 1952-10-09 | Rudolf Mueller | Process for producing a saturated color surface and a moisture-free print on offset machines |
| DE1223398B (en) * | 1961-08-28 | 1966-08-25 | Inchbrook Printers Ltd | Offset printing process |
| US4452139A (en) * | 1981-09-08 | 1984-06-05 | Dahlgren Harold P | Dampening fluid evaporator and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0661998B2 (en) | 1994-08-17 |
| JPH02167770A (en) | 1990-06-28 |
| EP0352520B1 (en) | 1995-03-22 |
| EP0352520A3 (en) | 1991-10-23 |
| US4960054A (en) | 1990-10-02 |
| ATE120132T1 (en) | 1995-04-15 |
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