EP0407924A2 - Driving device for the damping means in an offset printing press - Google Patents
Driving device for the damping means in an offset printing press Download PDFInfo
- Publication number
- EP0407924A2 EP0407924A2 EP90113003A EP90113003A EP0407924A2 EP 0407924 A2 EP0407924 A2 EP 0407924A2 EP 90113003 A EP90113003 A EP 90113003A EP 90113003 A EP90113003 A EP 90113003A EP 0407924 A2 EP0407924 A2 EP 0407924A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- water tank
- gear
- metering
- pin
- 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
- 238000007645 offset printing Methods 0.000 title claims description 4
- 238000013016 damping Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000007639 printing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
Images
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
- B41F7/26—Damping devices using transfer rollers
Definitions
- the invention relates to a device in offset printing machines for driving a dampening unit according to the preamble of the claim.
- a device of the type mentioned is known from DE-PS 3 623 590, Fig. 3.
- a water box roller and a metering roller are driven independently of the machine with a separate, speed-controllable gear motor via a clutch, a first gear and a second gear, which is firmly seated on the pin of the water box roller.
- Another gearwheel drives the metering roller either synchronously, i.e. without circumferential slip or asynchronous when the translation is changed, i.e. with slip to the water tank roller inevitably.
- the latter is disadvantageous when washing dampening and inking units together, e.g.
- the object of the invention is to drive the metering roller solely by friction from the water tank roller when washing the dampening and inking units together.
- the advantage of the invention is that washing the water tank roller, the metering roller and the application together roller of the dampening unit and the rollers of the inking unit coupled via the bridge roller is possible without slipping by friction of the roller surfaces, while the positive gear drive of the dampening unit is disengaged.
- This position is also suitable as a painting position, that is, with the intermediate gear between the metering roller and water tank roller pre-dosed lacquer between the water tank roller and application roller can be applied continuously in a metered manner, the intermediate roller 5 being switched off from the application roller 2, and if necessary the metering roller can also be turned off be so that a two-roller dampening or coating unit is created.
- the plate cylinder 1 and 2 leads dampening fluid from a dampening solution tank through a water tank roller 3 via an applicator roller 2 directly onto the printing plate of a plate cylinder 1.
- the plate cylinder 1 is supported by pins at both ends in side walls 16 in the printing press.
- the cones are driven in a conventional manner, not shown, by gears arranged outside the one side wall from the main drive of the machine.
- the strength of the dampening liquid is adjusted by means of a metering roller 4.
- the dampening unit 2, 3, 4 thus guides the dampening liquid in a very short way to the pressure plate of the plate cylinder 1, so that the dampening solution evaporation is low.
- the application roller 2 is connected via two oleophilic intermediate rollers 5, 6 to the first inking cylinder 8 of an inking unit, at least one of the intermediate rollers 5, 6 being able to be switched on and off by the ink supply and / or the fountain solution supply by known means not shown in the drawing. With 7 an inking roller is designated.
- the dampening system can be connected to the inking unit in a known manner by only one oleophilic intermediate roller, then to the first inking roller.
- the metering roller 4 is mounted on both sides in levers 17, 20 which can be pivoted about the axis of the water tank roller 3 and can be adjusted in a known manner in terms of their center distance with respect to the water tank roller by rotating eccentric bushes, not shown in the drawing, wherein double-eccentric mounting is also possible is so that the metering roller can be adjusted by means of a hand lever or the like to the water tank roller or can also be turned on and off by means of working cylinders or the like.
- the metering roller 4 could also be brought into an inclined position with respect to the water tank roller axis and the means for this are not shown in the drawing, since they are also known.
- an intermediate gear 11 is rotatably mounted in the lever pivotable about the pin 18 of the water tank roller 3 by means of a bearing bolt 22, which is in meshing engagement with a gear 12 seated on the pin 19 of the metering roller 4 and in meshing engagement with an intermediate gear 9.
- the intermediate gear 9 is in meshing engagement with the gear 10 seated on the water tank roller 3 and the drive is connected to a speed-adjustable gear motor 15 via a belt drive 13 and a clutch 14.
- the inevitable drive of the water tank roller 3 and the metering roller 4 by means of gear wheels 9 to 12 can be disengaged and engaged by separating and restoring the tooth engagement of the two intermediate gear wheels 9, 11 by pivoting the lever 17 about the pin 18 of the water tank roller 3 with gap "S" ( see Fig. 2).
- the pivoting of the lever 17 about the pin 18 of the water tank roller 3 takes place by means of a working cylinder 24 which is articulated on the side walls 16 with a pivot point 26.
- the piston of the working cylinder 24 is received by means of a pin 23 on the fork-shaped end of the lever 17 (see FIGS. 1 to 3).
- the bearings are indicated, in which the pins 18 and 19 of the water tank roller 3 and the metering roller 4 are rotatably received in the pivot levers 17 and 20, respectively.
- the eccentric bush 25 is used to adjust the center distance of the rollers 3, 4 and is provided on one of the two roller axes.
- the drive works as follows: When the dampening solution is applied, all the rollers rotate in the direction of the closed arrowheads, the slippage between the water tank roller 3 and the metering roller 4 being clearly specified by four meshing gearwheels 9 to 12 in accordance with the selected transmission ratio (see FIG. 1). In this position the device works as a dampening unit.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Vibration Prevention Devices (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung in Offsetdruckmaschinen zum Antrieb eines Feuchtwerkes nach dem Oberbegriff des Patentanspruches.The invention relates to a device in offset printing machines for driving a dampening unit according to the preamble of the claim.
Eine Vorrichtung der genannten Gattung ist aus der DE-PS 3 623 590, Fig. 3 bekannt. Wie allgemein üblich, werden eine Wasserkastenwalze und eine Dosierwalze unabhängig von der Maschine mit einem separaten, in der Drehzahl regelbaren Getriebemotor über eine Kupplung, ein erstes Zahnrad und ein zweites Zahnrad, welches fest auf dem Zapfen der Wasserkastenwalze sitzt, angetrieben. Ein weiteres Zahnrad treibt über ein Zahnrad die Dosierwalze entweder synchron, d.h. ohne Umfangsschlupf oder bei geänderter Übersetzung asynchron, d.h. mit Schlupf zur Wasserkastenwalze zwangsläufig an. Letzteres ist von Nachteil beim gemeinsamen Waschen von Feucht- und Farbwerk, wie es z.B. aus der DE-OS 3 641 013 bekannt ist, weil die Wasserkastenwalze und die Dosierwalze, sofern sie nicht voneinander absgestellt sind, mit Umfangsschlupf laufen, wodurch infolge der unterschiedlichen Umfangsbeschwindigkeiten die Walzen beim Waschen beschädigt würden. Wird die Dosierwalze abgestellt, müßte von Hand gewaschen werden.A device of the type mentioned is known from DE-PS 3 623 590, Fig. 3. As is common practice, a water box roller and a metering roller are driven independently of the machine with a separate, speed-controllable gear motor via a clutch, a first gear and a second gear, which is firmly seated on the pin of the water box roller. Another gearwheel drives the metering roller either synchronously, i.e. without circumferential slip or asynchronous when the translation is changed, i.e. with slip to the water tank roller inevitably. The latter is disadvantageous when washing dampening and inking units together, e.g. is known from DE-OS 3 641 013 because the water tank roller and the metering roller, if they are not separated from one another, run with circumferential slip, as a result of which the rollers would be damaged during washing due to the different circumferential speeds. If the metering roller is switched off, it would have to be washed by hand.
Aufgabe der Erfindung ist es, beim gemeinsamen Waschen von Feucht- und Farbwerk die Dosierwalze allein durch Friktion von der Wasserkastenwalze her anzutreiben.The object of the invention is to drive the metering roller solely by friction from the water tank roller when washing the dampening and inking units together.
Gelöst wird die Aufgabe durch den im Kennzeichen des Patentanspruches angegebenen Merkmale.The problem is solved by the features specified in the characterizing part of the claim.
Der Vorteil der Erfindung besteht darin, daß ein gemeinsames Waschen der Wasserkastenwalze, der Dosierwalze und der Auftrag walze des Feuchtwerkes sowie der Walzen des über die Brückenwalze angekoppelten Farbwerkes durch Friktion der Walzenoberflächen ohne Schlupf möglich ist, während der formschlüssige Zahnradantrieb des Feuchtwerkes ausgekuppelt ist. Diese Stellung eignet sich zugleich auch als Lackierstellung, d.h. daß unter Ausschaltung des Zwischengetriebes zwischen Dosierwalze und Wasserkastenwalze vordosierter Lack zwischen Wasserkastenwalze und Auftragwalze endgültig dosiert kontinuierlich aufgetragen werden kann, wobei die Zwischenwalze 5 von der Auftragwalze 2 abgestellt ist, ggf. kann auch die Dosierwalze abgestellt werden, so daß ein Zwei-Walzen Feucht- oder Lackierwerk entsteht.The advantage of the invention is that washing the water tank roller, the metering roller and the application together roller of the dampening unit and the rollers of the inking unit coupled via the bridge roller is possible without slipping by friction of the roller surfaces, while the positive gear drive of the dampening unit is disengaged. This position is also suitable as a painting position, that is, with the intermediate gear between the metering roller and water tank roller pre-dosed lacquer between the water tank roller and application roller can be applied continuously in a metered manner, the
Nachstehend soll die Erfindung anhand einer Zeichnung in einem Ausführungsbeispiel kurz erläutert werden.The invention will be briefly explained in the following in an exemplary embodiment with reference to a drawing.
Hierzu zeigt:
- Fig. 1 eine schematische Seitenansicht einer Vorrichtung in Offsetdruckmaschinen zum Antrieb eines Feuchtwerkes, wobei zwischen Wasserkastenwalze und Dosierwalze ein zwangsläufiger Antrieb durch ein Zahnradgetriebe mit Umfangsschlupf besteht,
- Fig. 2 die Vorrichtung nach Fig. 1, jedoch mit Friktionsantrieb der Dosierwalze durch die Wasserkastenwalze,
- Fig. 3 eine Draufsicht auf das Feuchtwerk nach Fig. 1 bzw. Fig. 2 in einer vereinfachten und teilweise aufgeklappten Darstellung, teilweise im Schnitt.
- 1 is a schematic side view of a device in offset printing presses for driving a dampening unit, an inevitable drive between the water tank roller and metering roller being provided by a gear transmission with circumferential slip,
- 2 shows the device according to FIG. 1, but with the friction drive of the metering roller through the water tank roller,
- Fig. 3 is a plan view of the dampening system according to Fig. 1 or Fig. 2 in a simplified and partially unfolded view, partly in section.
Das Feuchtwerk nach Fig. 1 und 2 führt Feuchtflüssigkeit aus einem Feuchtmittelbehälter durch eine Wasserkastenwalze 3 über eine Auftragwalze 2 direkt auf die Druckplatte eines Plattenzylinders 1. Der Plattenzylinder 1 ist mittels Zapfen an beiden Enden in Seitenwänden 16 in der Druckmaschine gelagert. Die Zapfen werden in an sich bekannter nicht näher dargestellter Weise durch außerhalb der einen Seitenwand angeordnete Zahnräder vom Hauptantrieb der Maschine aus angetrieben.1 and 2 leads dampening fluid from a dampening solution tank through a
Die Stärke der Feuchtflüssigkeit wird mittels einer Dosierwalze 4 eingestellt.The strength of the dampening liquid is adjusted by means of a
Das Feuchtwerk 2, 3, 4 führt somit die Feuchtflüssigkeit auf einem sehr kurzen Weg zur Druckplatte des Plattenzylinders 1, so daß die Feuchtmittelverdunstung gering ist.The dampening
Die Auftragwalze 2 ist über zwei oleophile Zwischenwalzen 5, 6 mit dem ersten Farbreibzylinder 8 eines Farbwerkes verbunden, wobei mindestens eine der Zwischenwalzen 5, 6 von der Farbzufuhr und/oder der Feuchtmittelzufuhr durch bekannte in der Zeichnung nicht dargestellte Mittel an- und abschaltbar ist. Mit 7 ist eine Farbauftragwalze bezeichnet.The
Alternativ kann das Feuchtwerk in bekannter Weise auch durch nur eine oleophile Zwischenwalze mit dem Farbwerk, dann mit der ersten Farbauftragwalze verbunden sein. Die Dosierwalze 4 ist beidseitig in um die Achse der Wasserkastenwalze 3 schwenkbaren Hebeln 17, 20 gelagert und kann durch Verdrehung von exzentrischen, in der Zeichnung nicht dargestellten Büchsen in bekannter Weise in ihrem Achsabstand gegenüber der Wasserkastenwalze eingestellt werden, wobei auch eine doppelt exzentrische Lagerung möglich ist, so daß die Dosierwalze mittels Handhebel oder dgl. zur Wasserkastenwalze einstellbar bzw. mittels Arbeitszylindern oder dgl. auch an- und abstellbar ist.Alternatively, the dampening system can be connected to the inking unit in a known manner by only one oleophilic intermediate roller, then to the first inking roller. The
Ebenfalls ist in der Zeichnung nicht dargestellt, da konventionell und allgemein bekannt, daß zur Einstellung des Anlagedruckes der Auftragwalze 2 am Plattenzylinder 1 sowie zum An- und Abstellen gegenüber dem Plattenzylinder 1 Mittel, wie eine Lagerung der Auftragwalze 2 in Schwenkhebeln oder auch in Exzenterlagern vorgesehen sind.Also not shown in the drawing, since it is conventional and generally known that means such as a storage of the
Mit Hilfe des einarmigen Hebels 20 könnte die Dosierwalze 4 auch in eine Schräglage zur Wasserkasten-Walzenachse gebracht werden und die Mittel dafür sind in der Zeichnung nicht dargestellt, da ebenfalls bekannt.With the help of the one-
Erfindungsgemäß ist in dem um den Zapfen 18 der Wasserkastenwalze 3 schwenkbaren Hebel mittels eines Lagerbolzens 22 ein Zwischenzahnrad 11 drehbar gelagert, das einerseits im Zahneingriff mit einem auf dem Zapfen 19 der Dosierwalze 4 sitzenden Zahnrad 12 ist und andererseits im Zahneingriff mit einem Zwischenzahnrad 9 steht. Das Zwischenzahnrad 9 ist im Zahneingriff mit dem auf der Wasserkastenwalze 3 sitzenden Zahnrad 10 und antriebsmäßig mit einem in der Drehzahl regelbaren Getriebemotor 15 über einen Riementrieb 13 und eine Kupplung 14 verbunden ist.According to the invention, an
Der zwangsläufige Antrieb der Wasserkastenwalze 3 und der Dosierwalze 4 mittels Zahnrädern 9 bis 12 ist mittels Trennen und Wiederherstellen des Zahneingriffes der beiden Zwischenzahnräder 9, 11 durch Verschwenkung des Hebels 17 um den Zapfen 18 der Wasserkastenwalze 3 mit Spalt "S" aus- und einkuppelbar (siehe Fig. 2). Die Verschwenkung des Hebels 17 um den Zapfen 18 der Wasserkastenwalze 3 erfolgt mittels eines Arbeitszylinders 24, der mit einem Drehpunkt 26 an den Seitenwänden 16 angelenkt ist. Der Kolben des Arbeitszylinders 24 ist mittels eines Bolzens 23 an dem gabelförmig ausgebildeten Ende des Hebels 17 aufgenommen (siehe Fig. 1 bis 3).The inevitable drive of the
Mit 21 sind in der Zeichnung die Lager angedeutet, in denen die Zapfen 18 und 19 der Wasserkastenwalze 3 bzw. der Dosierwalze 4 in den Schwenkhebeln 17 bzw. 20 drehbar aufgenommen sind. Die Exzenterbuchse 25 dient der Einstellung des Achsabstandes der Walzen 3, 4 und ist auf einer der beiden Walzenachsen vorgesehen.With 21 in the drawing, the bearings are indicated, in which the
Die Wirkungsweise des Antriebes ist folgendermaßen:
Bei der Auftragung des Feuchtmittels drehen sich alle Walzen in Richtung der geschlossen Pfeilspitzen, wobei der Schlupf zwischen der Wasserkastenwalze 3 und der Dosierwalze 4 durch vier miteinander kämmenden Zahnräder 9 bis 12 entsprechend dem gewählten Übersetzungsverhältnis eindeutig vorgegeben ist (siehe Fig. 1). In dieser Stellung arbeitet die Vorrichtung als Feuchtwerk.The drive works as follows:
When the dampening solution is applied, all the rollers rotate in the direction of the closed arrowheads, the slippage between the
Wird der zwangsläufige Antrieb mittels Trennen des Zahneingriffes der Zwischenzahnräder 9, 11 durch Verschwenkung des Hebels 17 um den Zapfen 18 der Wasserkastenwalze 3 ausgekuppelt, drehen sich die Walzen ebenfalls in Richtung der augezogenen Pfeilspitzen, wobei aber die Dosierwalze 4 reibschlüssig von der Wasserkastenwalze 3 getrieben wird. Diese Stellung ist als Waschstellung besonders geeignet, weil dann die Walzen des Farbwerkes und des Feuchtwerkes ohne Zwangsantrieb gemeinsam gewaschen werden können. Sämtliche Walzen des Farb- und Feuchtwerkes bleiben in Anlage zueinander. Diese Stellung eignet sich auch zum Lackierbetrieb mit angestellter oder abgestellter Dosierwalze 4.If the inevitable drive is disengaged by separating the tooth engagement of the
- 1 Plattenzylinder1 plate cylinder
- 2 Auftragwalze2 applicator roller
- 3 Wasserkastenwalze3 water tank roller
- 4 Dosierwalze4 metering roller
- 5 Zwischenwalze5 intermediate roller
- 6 Zwischenwalze6 intermediate roller
- 7 Farbauftragwalze7 inking roller
- 8 Farbreibzylinder8 color rubbing cylinders
- 9 Zwischenzahnrad9 intermediate gear
- 10 Zahnrad10 gear
- 11 Zwischenzahnrad11 intermediate gear
- 12 Zahnrad12 gear
- 13 Riementrieb13 belt drive
- 14 Kupplung14 clutch
- 15 Getriebemotor15 gear motor
- 16 Seitenwände16 side walls
- 17 Hebel17 levers
- 18 Zapfen18 cones
- 19 Zapfen19 cones
- 20 Hebel20 levers
- 21 Lager21 bearings
- 22 Lagerbolzen22 bearing bolts
- 23 Bolzen23 bolts
- 24 Arbeitszylinder24 working cylinders
- 25 Exzenterbuchse25 eccentric bushing
- 26 Drehpunkt26 fulcrum
Claims (2)
dadurch gekennzeichnet,
daß in dem um den Zapfen (18) der Wasserkastenwalze (3) schwenkbaren Hebel (17) ein Zwischenzahnrad drehbar (11) gelagert ist, das einerseits mit dem auf dem Zapfen (19) der Dosierwalze (4) sitzenden Zahnrad (12) und andererseits mit einem weiteren Zwischenzahnrad (9) im Zahneingriff ist, welches auch mit dem auf der Wasserkastenwalze (3) sitzenden Zahnrad (10) im Zahneingriff ist und mit dem Getriebemotor (15) antriebsmäßig (13, 14) verbunden ist und daß der zwangsläufige Antrieb der Wasserkastenwalze (3) und der Dosierwalze (4) mittels Trennen und Wiederherstellen des Zahneingriffes der Zwischenzahnräder (9, 11) durch Verschwenkung des Hebels (17) und des darin gelagerten Zwischenzahnrades (11) um den Zapfen (18) der Wasserkastenwalze (3) aus- und einkuppelbar ist.1.) Device in offset printing machines for driving a dampening unit, consisting of a water box roller, which transfers the dampening solution as a film to at least one application roller lying on the printing plate of the plate cylinder, the thickness of the dampening solution by one on the water box roller in its circumferential direction of movement Line of contact is determined with the metering roller lying on the application roller and a bridge roller lying against the application roller and a roller of the subsequent inking unit is provided, and the metering roller is mounted on both sides in levers pivotable about the axis of the water tank roller to the water tank roller, and the water tank roller and the metering roller are independent of the machine are driven by a separate gear motor that can be regulated in speed via a clutch and gear wheels, one of which sits on the pin of the water tank roller and the other gear on the pin of the metering roller,
characterized by
that an intermediate gear (11) is rotatably mounted in the lever (17) which can be pivoted about the pin (18) of the water tank roller (3) and which, on the one hand, has the gear (12) seated on the pin (19) of the metering roller (4) and, on the other hand with another intermediate gear (9) is in meshing engagement, which is also in meshing engagement with the gear (10) seated on the water tank roller (3) and with the geared motor (15) is drivingly connected (13, 14) and that the positive drive of the Water box roller (3) and the metering roller (4) by separating and restoring the tooth engagement of the intermediate gear wheels (9, 11) by pivoting the lever (17) and the intermediate gear wheel (11) stored therein around the pin (18) of the water box roller (3) - And can be engaged.
dadurch gekennzeichnet,
daß zu der Verschwenkung des Hebels (17) der Kolben eines Arbeitszylinders (24) an dem gabelförmig ausgebildeten Ende des Hebels (17) aufgenommen ist und daß der Arbeitszylinder (24) mit einem Drehpunkt (26) an den Seitenwänden (16) der Druckmaschine angelenkt ist.2.) Device according to claim 1,
characterized by
that for the pivoting of the lever (17) the piston of a working cylinder (24) is received at the fork-shaped end of the lever (17) and that the working cylinder (24) is articulated with a pivot point (26) on the side walls (16) of the printing press is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT90113003T ATE91966T1 (en) | 1989-07-14 | 1990-07-07 | DEVICE IN OFFSET PRINTING MACHINES TO DRIVE A DAMPENING UNIT. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3923350 | 1989-07-14 | ||
| DE3923350A DE3923350C1 (en) | 1989-07-14 | 1989-07-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0407924A2 true EP0407924A2 (en) | 1991-01-16 |
| EP0407924A3 EP0407924A3 (en) | 1991-07-17 |
| EP0407924B1 EP0407924B1 (en) | 1993-07-28 |
Family
ID=6385059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90113003A Expired - Lifetime EP0407924B1 (en) | 1989-07-14 | 1990-07-07 | Driving device for the damping means in an offset printing press |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5081925A (en) |
| EP (1) | EP0407924B1 (en) |
| JP (1) | JPH0688400B2 (en) |
| AT (1) | ATE91966T1 (en) |
| BR (1) | BR9003378A (en) |
| DE (2) | DE3923350C1 (en) |
| ES (1) | ES2044331T3 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0577388A (en) * | 1991-09-19 | 1993-03-30 | Sakurai Seisakusho:Kk | Plate cylinder dampening device in offset press |
| US6347585B1 (en) * | 1998-08-04 | 2002-02-19 | Goss Graphic Systems, Inc. | Variable gap stabilizer |
| DE10142544B4 (en) * | 2000-09-15 | 2010-05-27 | Heidelberger Druckmaschinen Ag | Gear transmission stage with tensioning moment |
| EP1833674B1 (en) * | 2005-01-05 | 2011-01-05 | Koenig & Bauer Aktiengesellschaft | Printing unit of a printing machine comprising at least one inking system and at least one dampening system |
| DE102005009681A1 (en) * | 2005-03-03 | 2006-09-07 | Man Roland Druckmaschinen Ag | Dampening unit for an offset printing unit of a printing machine |
| JP5334365B2 (en) * | 2006-10-23 | 2013-11-06 | 株式会社ミヤコシ | Dampening device for offset printing machine |
| GB2489938B8 (en) * | 2011-04-08 | 2017-06-14 | Vitec Group Plc | A drive train apparatus |
| CN108001042B (en) * | 2017-12-07 | 2024-05-31 | 杭州康得新机械有限公司 | Positive and negative rotation mechanism of metering roller of glazing machine and glazing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1163854A (en) * | 1967-08-02 | 1969-09-10 | Dahlgren Harold P | Lithographic Dampener with Skewed Metering Roller |
| DE1951976A1 (en) * | 1969-10-15 | 1971-04-22 | Roland Offsetmaschf | Dampening device for lithographic printing machines |
| FR2097585A5 (en) * | 1970-07-10 | 1972-03-03 | Etude Machines Speciales |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2302490A (en) * | 1941-06-11 | 1942-11-17 | Addressograph Multigraph | Cleaning device for ink rolls |
| CH536190A (en) * | 1970-03-05 | 1973-04-30 | Roland Offsetmaschf | Dampening device for lithographic printing machines |
| US3911815A (en) * | 1972-05-02 | 1975-10-14 | Roland Offsetmaschf | Mechanism for dampening the printing plate of an offset printing press |
| DE3146223C2 (en) * | 1981-11-21 | 1985-03-21 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Moist inking unit for offset printing machines |
| DE3316558C2 (en) * | 1983-05-06 | 1987-03-19 | Francotyp - Postalia GmbH, 1000 Berlin | Inking unit for franking and value stamping machines |
| US4676156A (en) * | 1985-11-20 | 1987-06-30 | Graphic Specialties, Inc. | Dampening apparatus for printing press |
| DE3641013A1 (en) * | 1986-04-21 | 1987-10-22 | Polygraph Leipzig | Stripper roller control on inking and damping units in printing machines |
| DE3623590A1 (en) * | 1986-07-12 | 1988-02-04 | Miller Johannisberg Druckmasch | FILM DAMPING UNIT FOR OFFSET PRINTING MACHINES |
| JPS63274546A (en) * | 1987-05-07 | 1988-11-11 | Tokyo Kikai Seisakusho Ltd | Drive device of ink supply device |
| DE8716847U1 (en) * | 1987-12-22 | 1988-02-18 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Wet inking unit for offset printing machines |
-
1989
- 1989-07-14 DE DE3923350A patent/DE3923350C1/de not_active Expired - Lifetime
-
1990
- 1990-07-07 ES ES90113003T patent/ES2044331T3/en not_active Expired - Lifetime
- 1990-07-07 EP EP90113003A patent/EP0407924B1/en not_active Expired - Lifetime
- 1990-07-07 AT AT90113003T patent/ATE91966T1/en not_active IP Right Cessation
- 1990-07-07 DE DE9090113003T patent/DE59002084D1/en not_active Expired - Fee Related
- 1990-07-13 BR BR909003378A patent/BR9003378A/en not_active IP Right Cessation
- 1990-07-16 US US07/554,150 patent/US5081925A/en not_active Expired - Fee Related
- 1990-07-16 JP JP2185459A patent/JPH0688400B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1163854A (en) * | 1967-08-02 | 1969-09-10 | Dahlgren Harold P | Lithographic Dampener with Skewed Metering Roller |
| DE1951976A1 (en) * | 1969-10-15 | 1971-04-22 | Roland Offsetmaschf | Dampening device for lithographic printing machines |
| FR2097585A5 (en) * | 1970-07-10 | 1972-03-03 | Etude Machines Speciales |
Also Published As
| Publication number | Publication date |
|---|---|
| BR9003378A (en) | 1991-08-27 |
| ES2044331T3 (en) | 1994-01-01 |
| JPH03114834A (en) | 1991-05-16 |
| ATE91966T1 (en) | 1993-08-15 |
| EP0407924A3 (en) | 1991-07-17 |
| DE59002084D1 (en) | 1993-09-02 |
| US5081925A (en) | 1992-01-21 |
| DE3923350C1 (en) | 1990-05-17 |
| EP0407924B1 (en) | 1993-07-28 |
| JPH0688400B2 (en) | 1994-11-09 |
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