EP1468823A1 - Sprühfeuchtwerk - Google Patents
Sprühfeuchtwerk Download PDFInfo
- Publication number
- EP1468823A1 EP1468823A1 EP04003339A EP04003339A EP1468823A1 EP 1468823 A1 EP1468823 A1 EP 1468823A1 EP 04003339 A EP04003339 A EP 04003339A EP 04003339 A EP04003339 A EP 04003339A EP 1468823 A1 EP1468823 A1 EP 1468823A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray
- roller
- housing
- bar
- holders
- 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
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
- B41F7/30—Damping devices using spraying elements
Definitions
- the invention relates to a spray dampening unit for printing presses, with an am Machine frame mounted spray housing, which is parallel to and along extending to be moistened roller, and a spray valves carrying Spray bar, which is adjustable in the direction of the roller radially on the spray housing is appropriate.
- a spray dampening unit of this type is known from EP 1 009 633 B1.
- a spray bar bearing carrier kept adjustable on the spray bar and / or on the spray housing are, such that the spray bar and thus the spray nozzles radially to the roller can be adjusted.
- the spray bar is as a separate part outside the Spray housing arranged, and located in the rear wall of the spray housing openings into which the spray nozzles can be inserted.
- the claimed solution is a very simple and accurate position adjustment the spray jet with respect to the roller be possible.
- US-A 5,595,116 describes a spray dampening unit, wherein the spray housing divided into two parts.
- the front housing with respect to the roller is fixed attached to the frame, and the rear housing, which carries the valves, can in Be adjusted to the front housing to a small extent.
- US-A-5,025,722 describes a dampening unit which provides adjustment of the spray valves in relation to each other, ie a reduction or enlargement of the distances between the spray valves allows and in this way the adjustment the overlap of the spray cone allowed.
- the invention is therefore based on the object, a spray dampening of the beginning mentioned above, with regard to different web widths and different requirements for dampening solution quickly and easily adjustable is.
- the surfaces of the roller can be sprayed by the spray be changed.
- the spray bar is over it also adjustable in its longitudinal direction, so that he, for example offset when printing from smaller web widths to one side or the other can be.
- the spray bar can also be made longer or shorter Spray bar to be replaced. Overall, this results in a very flexible Humidification system.
- the spray bar is supported by at least two brackets, which are arranged longitudinally adjustable on the spray bar. It can the Sprühbalken be infinitely adjustable with respect to the brackets or a have certain number of predetermined positions in which the brackets can be latched for example with the spray bar.
- brackets of the spray bar of the lower side clamped At a convenient Embodiment embrace the brackets of the spray bar of the lower side clamped.
- the brackets are mounted in or on the spray housing, namely such that an adjustment of the spray bar radially to the roller is possible.
- the holders have fork-shaped fastening strips which are directed towards the roller and their fingers Border fastening bolts on the bottom of the spray housing from both sides. Through a nut, which is turned on the fastening bolts, the Fixing strips are set in the desired position.
- Fig. 1 is a roller, for example, to a total of not shown Offset printing machine belongs, has been designated 10.
- Adjacent to the Roller and parallel to this is a spray housing 12 in the form of a flat, elongated, rectangular box, its upper wall for clarity is omitted.
- At the two end faces 14,1,16 of the spray housing cylindrical axle journals 18,20 are fixed, which are mounted in bearing blocks 22,24 are. If desired, this storage can provide some height adjustment and allow tilt adjustment of the spray housing 12 with respect to the roller 10.
- the spray housing 12 has a Floor 26 and the already mentioned, not shown upper wall. to Roller towards the spray housing is open, as it is in the mentioned state the technique is the case. At the back, so facing away from the roller 10 Side, the spray housing 12 is closed by a spray bar 28.
- This spray bar 28 has openings on the side facing the roller 10 30,32,34,36, which serve for the insertion of spray nozzles, not shown.
- the spray bar 28 is attached to the spray housing 12 by means of two brackets 38,40 fastened, one of which in Figs. 1 and 2 in an enlarged detail is shown.
- the holders 38, 40 are formed, for example by sheet clamps, the spray bar 28 from the bottom side with a rear tab 42 and two front tabs 44,46 capture. By suitable Beading on the spray bar can be made sure of the brackets can be snapped onto the underside of the spray bar.
- a fastening strip 48 which is fork-shaped at its end and a threaded bolt 50th bordered on the bottom 26 of the spray housing from both sides.
- the threaded bolt 50 serves to receive a nut, not shown, with which the fastening strip 48 are clamped on the floor 26 of the spray housing 12 can. Since the fastening strip 48 is designed as an open fork can the spray bar 48 in the direction of the two indicated double arrows in the direction be adjusted to the roller 10 and in the opposite direction within certain limits. This allows the size of the spray pattern on the roller and the overlap the individual sprays are changed.
- the spray bar 28 in the direction parallel to the roller 10th be adjusted by placing them in the clip-type brackets 38,40 in their Moved or implemented longitudinally. While the spray bar 28 in Fig. 1 in a centric position with respect to the roller 10 and the Spray housing 12 is the spray bar 28 in Fig. 2 to the left with respect to arranged offset on the drawing. As already mentioned, this can be lateral Adjustment of the spray bar stepless or in predetermined steps to be possible.
- the spray bar 28 is also relatively easy to remove from the brackets and be replaced by another spray bar, for example one longer spray bar covering the entire length of the spray housing 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
Abstract
Description
- Fig. 1
- ist eine schematische perspektivische Darstellung des erfindungsgemässen Sprühfeuchtwerks mit einem vergrössert dargestellten Detail;
- Fig. 2
- ist eine entsprechende Darstellung, in der sich der Sprühbalken in einer versetzten Stellung befindet.
Claims (6)
- Sprühfeuchtwerk für Druckmaschinen, mit einem am Maschinengestell befestigten Sprühgehäuse (12), das sich parallel zu und entlang der zu befeuchtenden Walze (10) erstreckt, und einem Sprühventile tragenden Sprühbalken (28), der in Richtung radial zu der Walze (10) verstellbar am Sprühgehäuse (12) angebracht ist, dadurch gekennzeichnet, dass der Sprühbalken (12) zusätzlich in seiner Längsrichtung parallel zur Walze (10) verstellbar ist.
- Sprühfeuchtwerk nach Anspruch 1, dadurch gekennzeichnet, dass der Sprühbalken (28) durch wenigstens zwei Halterungen (38,40) längsverstellbar gehalten wird, die ihrerseits radial zur Walze (10) verstellbar im oder am Sprühgehäuse (12) befestigt sind.
- Sprühfeuchtwerk nach Anspruch 2, dadurch gekennzeichnet, dass die Halterungen (38,40) am Boden des Sprühgehäuses radial zur Walze (10) verstellbar befestigt sind.
- Sprühfeuchtwerk nach Anspruch 3, dadurch gekennzeichnet, dass die Halterungen (38,40) gabelförmige, zur Walze (10) gerichtete Befestigungsleisten (48) umfassen, deren Finger Befestigungsbolzen (50) am Boden (26) des Sprühgehäuses (12) einfassen.
- Sprühfeuchtwerk nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Sprühbalken (28) an den Halterungen (38,40) in mehreren Längspositionen des Sprühbalkens (28) festlegbar, insbesondere verrastbar ist.
- Sprühfeuchtwerk nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass die Halterungen (38,40) den Sprühbalken (28) klammerförmig von der Unterseite her umgreifen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10317470 | 2003-04-16 | ||
DE10317470A DE10317470B4 (de) | 2003-04-16 | 2003-04-16 | Sprühfeuchtwerk |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1468823A1 true EP1468823A1 (de) | 2004-10-20 |
EP1468823B1 EP1468823B1 (de) | 2007-11-07 |
Family
ID=32892368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04003339A Expired - Fee Related EP1468823B1 (de) | 2003-04-16 | 2004-02-14 | Sprühfeuchtwerk |
Country Status (3)
Country | Link |
---|---|
US (1) | US6901853B2 (de) |
EP (1) | EP1468823B1 (de) |
DE (2) | DE10317470B4 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008061758A2 (de) * | 2006-11-24 | 2008-05-29 | Manroland Ag | Verfahren zum betreiben eines feuchtwerks, feuchtwerk sowie druckwerk |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007015402A1 (de) * | 2007-03-30 | 2008-10-09 | Koenig & Bauer Aktiengesellschaft | Feuchtwerk für ein Druckwerk einer Druckmaschine |
DE102008017275B4 (de) | 2008-04-04 | 2010-11-11 | Technotrans Ag | Befeuchtungsvorrichtung eines Sprühfeuchtwerks |
DE102008023877B4 (de) | 2008-05-16 | 2010-06-02 | Technotrans Ag | Verfahren zur Herstellung eines Feuchtwerksgehäuses, sowie Feuchtwerksgehäuse eines Sprühfeuchtwerks |
US20120274914A1 (en) | 2011-04-27 | 2012-11-01 | Palo Alto Research Center Incorporated | Variable Data Lithography System for Applying Multi-Component Images and Systems Therefor |
US8991310B2 (en) | 2011-04-27 | 2015-03-31 | Palo Alto Research Center Incorporated | System for direct application of dampening fluid for a variable data lithographic apparatus |
US9021948B2 (en) | 2011-04-27 | 2015-05-05 | Xerox Corporation | Environmental control subsystem for a variable data lithographic apparatus |
US20130033686A1 (en) | 2011-08-05 | 2013-02-07 | Palo Alto Research Center Incorporated | Direct Application of Dampening Fluid for a Variable Data Lithographic Apparatus |
US8347787B1 (en) | 2011-08-05 | 2013-01-08 | Palo Alto Research Center Incorporated | Variable data lithography apparatus employing a thermal printhead subsystem |
US20130033687A1 (en) | 2011-08-05 | 2013-02-07 | Palo Alto Research Center Incorporated | Method for Direct Application of Dampening Fluid for a Variable Data Lithographic Apparatus |
US9021949B2 (en) | 2012-02-06 | 2015-05-05 | Palo Alto Research Center Incorporated | Dampening fluid recovery in a variable data lithography system |
US8950322B2 (en) | 2012-03-21 | 2015-02-10 | Xerox Corporation | Evaporative systems and methods for dampening fluid control in a digital lithographic system |
US9032874B2 (en) | 2012-03-21 | 2015-05-19 | Xerox Corporation | Dampening fluid deposition by condensation in a digital lithographic system |
US9316993B2 (en) | 2012-07-12 | 2016-04-19 | Xerox Corporation | Electrophotographic patterning of an image definition material |
US8833254B2 (en) | 2012-07-12 | 2014-09-16 | Xerox Corporation | Imaging system with electrophotographic patterning of an image definition material and methods therefor |
US9529307B2 (en) | 2012-07-12 | 2016-12-27 | Palo Alto Research Center Incorporated | Imaging system for patterning of an image definition material by electro-wetting and methods therefor |
US8586277B1 (en) | 2012-07-12 | 2013-11-19 | Palo Alto Research Center Incorporated | Patterning of an image definition material by electro-wetting |
US9316994B2 (en) | 2012-07-12 | 2016-04-19 | Xerox Corporation | Imaging system with electrophotographic patterning of an image definition material and methods therefor |
US9639050B2 (en) | 2012-07-12 | 2017-05-02 | Xerox Corporation | Electrophotographic patterning of an image definition material |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1459063A (en) * | 1974-07-24 | 1976-12-22 | Smith Rpm Corp | Dampening apparatus for a printing press |
US5025722A (en) | 1990-01-22 | 1991-06-25 | Ryco Graphic Manufacturing, Inc. | Adjustable spray dampening system |
US5595116A (en) | 1994-09-30 | 1997-01-21 | Kabushiki Kaisha Tokyo Kikai Seisakusho | Dampening apparatus of lithographic printing machine |
DE19811554C1 (de) | 1998-03-17 | 1999-04-29 | Technotrans Ag | Sprühfeuchtwerk für Offset-Druckwerke |
US6253677B1 (en) * | 1999-03-10 | 2001-07-03 | Ryco Graphic Manufacturing, Inc. | Spray nozzle repositioning device |
EP1009633B1 (de) | 1997-02-17 | 2002-09-25 | Jimek Ab | Sprühfeuchtwerk für eine druckmaschine |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2258321C3 (de) * | 1972-11-29 | 1981-09-17 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Vorrichtung zum Befeuchten von Druckplatten in Rotationsdruckmaschinen |
DE7247187U (de) * | 1972-12-23 | 1973-03-29 | Maschinenfabrik Augsburg Nuernberg Ag | Vorrichtung zum Befeuchten von Druckplatten in Rotationsdruckmaschinen |
US3926115A (en) * | 1973-02-01 | 1975-12-16 | Strachan & Henshaw Ltd | Spray dampening apparatus |
US4064801A (en) * | 1975-08-12 | 1977-12-27 | Ryco Graphic Manufacturing, Inc. | Spray dampening system for offset printing |
US4690055A (en) * | 1986-08-28 | 1987-09-01 | Rockwell International Corporation | Keyless inking system for offset lithographic printing press |
DE4012283A1 (de) * | 1990-04-17 | 1991-10-24 | Wifag Maschf | Farb- und feuchtwerk fuer ein umsteuerbares druckwerk einer rotations-offsetdruckmaschine |
JP2805678B2 (ja) * | 1995-04-03 | 1998-09-30 | 株式会社東京機械製作所 | 印刷機のダンプニング装置 |
US6327974B1 (en) * | 1999-03-01 | 2001-12-11 | Heidelberger Druckmaschinen Ag | Spray dampening device having high effective spray frequency and method of using |
US6561090B1 (en) * | 1999-11-03 | 2003-05-13 | Heidelberger Druckmaschinen Ag | Printing press dampener using straight streams and method of dampening a printing press |
-
2003
- 2003-04-16 DE DE10317470A patent/DE10317470B4/de not_active Expired - Fee Related
-
2004
- 2004-02-14 EP EP04003339A patent/EP1468823B1/de not_active Expired - Fee Related
- 2004-02-14 DE DE502004005409T patent/DE502004005409D1/de not_active Expired - Lifetime
- 2004-04-01 US US10/816,130 patent/US6901853B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1459063A (en) * | 1974-07-24 | 1976-12-22 | Smith Rpm Corp | Dampening apparatus for a printing press |
US5025722A (en) | 1990-01-22 | 1991-06-25 | Ryco Graphic Manufacturing, Inc. | Adjustable spray dampening system |
US5595116A (en) | 1994-09-30 | 1997-01-21 | Kabushiki Kaisha Tokyo Kikai Seisakusho | Dampening apparatus of lithographic printing machine |
EP1009633B1 (de) | 1997-02-17 | 2002-09-25 | Jimek Ab | Sprühfeuchtwerk für eine druckmaschine |
DE19811554C1 (de) | 1998-03-17 | 1999-04-29 | Technotrans Ag | Sprühfeuchtwerk für Offset-Druckwerke |
US6253677B1 (en) * | 1999-03-10 | 2001-07-03 | Ryco Graphic Manufacturing, Inc. | Spray nozzle repositioning device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008061758A2 (de) * | 2006-11-24 | 2008-05-29 | Manroland Ag | Verfahren zum betreiben eines feuchtwerks, feuchtwerk sowie druckwerk |
WO2008061758A3 (de) * | 2006-11-24 | 2008-07-17 | Roland Man Druckmasch | Verfahren zum betreiben eines feuchtwerks, feuchtwerk sowie druckwerk |
Also Published As
Publication number | Publication date |
---|---|
US20040206255A1 (en) | 2004-10-21 |
DE502004005409D1 (de) | 2007-12-20 |
DE10317470B4 (de) | 2005-10-06 |
US6901853B2 (en) | 2005-06-07 |
EP1468823B1 (de) | 2007-11-07 |
DE10317470A1 (de) | 2004-11-25 |
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