EP0837824B1 - Vorrichtung zum ablösen der gasförmigen laminaren grenzschicht - Google Patents
Vorrichtung zum ablösen der gasförmigen laminaren grenzschicht Download PDFInfo
- Publication number
- EP0837824B1 EP0837824B1 EP96919745A EP96919745A EP0837824B1 EP 0837824 B1 EP0837824 B1 EP 0837824B1 EP 96919745 A EP96919745 A EP 96919745A EP 96919745 A EP96919745 A EP 96919745A EP 0837824 B1 EP0837824 B1 EP 0837824B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- material web
- electrode
- corona discharge
- boundary layer
- transport direction
- 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
- 239000000463 material Substances 0.000 claims abstract description 80
- 238000007639 printing Methods 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 14
- 239000003570 air Substances 0.000 description 10
- 238000001035 drying Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005686 electrostatic field Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/10—Influencing flow of fluids around bodies of solid material
- F15D1/12—Influencing flow of fluids around bodies of solid material by influencing the boundary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/30—Suction means
- B65H2406/36—Means for producing, distributing or controlling suction
- B65H2406/364—Means for producing, distributing or controlling suction simultaneously blowing and sucking
Definitions
- the invention relates to a device according to the General term of the main claim, to replace the gaseous, laminar boundary layer of at least one of the two sides of one in the direction of transport moving, preferably high-speed material web, e.g. made of paper.
- Gaseous, laminar boundary layers on air moving Material webs are known to be disruptive per se. So arise when winding material webs on a Roll to paper or bale of foil by wrapping the laminar boundary layer larger diameter of the bale for the length of the material web that is actually only to be wound up than without a wrapped boundary layer.
- Solvent the ink (s) by drying from the Drive out material web.
- Boundary squeegee air nozzles at right angles or high energy air across the surface and Inflate the speed onto the web of material around the Coverage of the laminar boundary layer in the microscopic Area in a turbulent flow, whose Vortex increasingly larger in diameter than the thickness of the Have boundary layer, so that on the one hand Let the ink's solvent pass through better on the other hand by means of conventional blowing and / or Suction nozzles in the sense of a macroscopic effect Elimination can be influenced.
- Heat transfer in a dryer based on Hot air systems is for heating, that is for responsible for increasing the temperature of the material web.
- the energy is supplied via the heat transport, which are required for the expulsion of the solvent is.
- the mass transport corresponds to theirs the solvent expelled from the material web. Because in the Usually with temperatures of the material web greater than 100 ° C is dried, there is still a small amount of water which evaporates from the paper.
- WO-91/12095 Another device for detaching separate particles of a path by means of a Corona electrode is known from WO-91/12095. Under the action of an air stream and alternating voltage use, the particles are removed by means of electrostatic forces.
- the invention has for its object a Generic device so that Boundary layers easier and with much better Efficiency can be replaced.
- a corona charging electrode in which - in the electrical field from counter electrode to corona charging electrode - a plasma channel is formed from the material web to the corona charging electrode in the sense of hard corona charging with direct current flowing through it, with which charge, namely electrons is conducted from the surface of the material web to the corona electrode, which has at least one, but preferably a plurality, of tips directed towards one side in the direction of the surface of the material web.
- Charging electrode takes place.
- the direction of movement is transverse to the direction of flow of the boundary layer of the material web.
- This so-called ion wind causes the change from the laminar to the turbulent flow of the boundary layer below the critical Reynolds number. It is known that above a Reynolds number of 3 x 10 6, a partially turbulent boundary layer spontaneously arises.
- this turbulent flow of the boundary layer has a greater thickness than that of the laminar layer and therefore interacts more easily with macroscopic influences, for example other imposed or applied air flows, for example from the boundary layer doctor.
- turbulent flow creates Vortex areas with directions of movement and amounts of Speed opposite that of the direction of transport the material web opposite and the amount according to are of the same size, so that they are virtually backwards running vertebrae little or no Relative speed to the material web, which gives the Leakage of solvent and / or water significantly facilitated.
- the surprisingly high efficiency of the invention is probably based on the fact that the electrons, which is from every point on the surface of one Side of the material web under the influence of the high electric field strength between the two electrodes detach, generate a mass transport that immediately attaches to the surface of one side of the material web, even with very rough surfaces.
- the known Boundary layer squeegee which is only the laminar boundary layer replaces the invention with the Residual boundary layer also in the sense of a following Total turbulence effect replaced and thus the best possible heat transfer with maximum mass transfer in Connection with drying quickly moving Material webs causes.
- the improved heat transfer the efficiency of the Heating the material web generated hot air increased.
- the length of the dryer can also be shortened become.
- the amount of circulating air be reduced because that part for the function of the boundary layer doctor blade necessary in the prior art not applicable.
- it can be used to drive out the Solvent required length can be shortened especially significant energy savings are achievable.
- the Connection line from the corona charging electrode to the Counter electrode with the direction of transport a blunt Angle. This causes the angle of the resulting impulse referring to the gas molecules the transport direction is larger, which means that the Change from the laminar to the turbulent flow of the Boundary layer and at the same time their greater thickness results, so that a better macroscopic attack by Blasund / or Suction currents is possible.
- a is particularly advantageous Device according to the invention in printing machines, preferably web offset, gravure and Flexographic printing machines useful, especially in those there used dryers with heating devices.
- the material web can run on chill rolls included between this and the material web Boundary layer can be an obstacle to cooling, so that there too advantageously used the device according to the invention can be.
- some are leadership and / or Deflection rollers of high-speed material webs visible that it "floats" there transversely to its direction of transport. This effect is also likely to affect those in between existing laminar boundary layer can be attributed to their replacement a very precise and precise guidance and Redirection can take place.
- Figure 1 is a schematic cross section by a device according to the invention intermediate moving material web, in part broken representation shows.
- Fig. 1 denotes the material web, which in Transport direction 6 acc.
- Direction arrow is moved, and schematically designated 7 and 8 guide rollers, which extend at right angles to the transport direction 6 and on the surface 9 of one side 10 and Surface 11 of the other side 12 of the material web 5 are located.
- the basic structure of the laminar The boundary layer is on one side 9 of the material web 5 shown.
- Behind the one that acts as a fault point Guide role 7 builds in section 13 with increasing Thick a gaseous boundary layer that is in the region 14 has a certain thickness 15.
- On the same one Page is one with at least one, but preferably a plurality of mutually parallel with tips 16 provided corona charging electrode 16 provided on a positive high voltage source + U as a DC voltage source connected.
- Counter electrode 18 arranged, which is also transverse, preferably perpendicular to the transport direction 6, but parallel to the surface 10, 12 of the material web over the entire width that extends to the negative High voltage source -U is connected.
- corona charging electrode becomes so trained and arranged and connected to such a voltage connected that they as a hard corona charge constant corona charging current i, which by it flows through. Because of this, the Surface 9 of one side 10 electrons 20 along the Field line 21 to the corona charging electrode 17 transported.
Landscapes
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Drying Of Solid Materials (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Paper (AREA)
- Replacement Of Web Rolls (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Description
Claims (18)
- Vorrichtung zum Ablösen der gasförmigen, laminaren Grenzschicht (14) von zumindest einer der beiden Seiten (10, 12) einer in Transportrichtung (6) bewegten, vorzugsweise schnellaufenden Materialbahn (5), z.B. aus Papier, gekennzeichnet durch zumindest eine mit zumindest einer länglichen Spitze (16) versehenen, eine positive (+U) oder negative Hochspannungsquelle anschnließbare Korona-Aufladungselektrode (17) und durch zumindest eine dieser zuzuordnenden und an eine negative (-U) bzw. positive Hochspannung oder Masse anschließbare Gegenelektrode (18), wobei die Korona-Aufladungselektrode (17), auf der die abzulösende Grenzschicht (14) aufweisenden einen Seite (10) der Materialbahn (5) und die zuzuordnende Gegenelektrode (18) auf der anderen Seite (12) anzuordnen sind, wobei die Korona-Aufladungselektrode (17) eine Vielzahl von auf der einen Seite der Materialbahn (5) anzuordnende Spitzen (16) aufweist, die in Richtung auf die andere Seite (12) der Materialbahn ausrichtbar sind.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Spitzen (16) der Korona-Aufladungselektrode (17) zueinander im wesentlichen parallel ausrichtbar sind.
- Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die zueinander parallelen länglichen Spitzen (16) der Korona-Aufladungselektrode (17) in einer Ebene liegen, die sowohl quer zur Materialbahn (5) als auch quer zur Transportrichtung (6) der Materialbahn ausrichtbar sind.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Gegenelektrode (18) und die Korona-Aufladungselektrode (17) im wesentlichen spiegelsymmetrisch zueinander bezüglich der Materialbahn (5) anzuordnen ist.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verbindungslinie von der Korona-Aufladungselektrode (17) zu der Gegenelektrode (18) mit der Transportrichtung einen stumpfen Winkel bildet.
- Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Gegenelektrode (18) flächig ausgebildet ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Flächennormale der flächigen Gegenelektrode (18) winklig, vorzugsweise rechtwinklig zur Transportrichtung (6) ausgebildet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß in Transportrichtung (6) hinter dem ersten Paar (17, 18) aus Korona-Aufladungselektrode (17) und Gegenelektrode (18) zumindest ein weiteres Paar aus je einer jeweils auf der anderen Seite der Materialbahn (5) anzuordnenden Gegenelektrode bzw. Korona-Aufladungselektrode versehbar ist.
- Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß hinter einer Störungsstelle (7, 8) der Materialbahn (5) über deren gesamte Breite eine laminare Strömung aus Gas oder einem Gasgemisch in Transportrichtung (6) zusetzbar ist.
- Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß hinter einer Störungsstelle (7, 8) der Materialbahn (5) auf der die abzulösende Grenzschicht (14) aufweisenden einen Seite (10) der Materialbahn (5) elektrische Ladung der einen Polarität aufgebracht wird und daß in Transportrichtung (6) als nächste Elektrode dahinter auf der selben Seite (10) der Materialbahn (5) die Korona-Aufladungselektrode (17) vorgesehen ist, die an eine Spannungsquelle der anderen Polarität anschließbar ist.
- Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß im Abstand in Transportrichtung (6) der Materialbahn (5) hinter dem Paar (17, 18) aus Korona-Aufladungselektroden (17) und der Gegenelektrode (18) an sich bekannte Blas- und/oder Saugdüsen vorsehbar ist.
- Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß in Transportrichtung (6) hinter der Blas- und/oder Saugdüse eine Eintrittsrichtung für die Materialbahn (5) in eine Vakuumkammer vorgesehen ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die flächige Gegenelektrode als passive Elektrode und zugleich als Blasdüse ausgebildet ist.
- Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß die Gegenelektrode als ebenfalls längliche Spitzen aufweisende, aktive Korona-Aufladungselektrode ausgebildet ist.
- Verwendung einer Vorrichtung nach einem der Ansprüche 1 bis 14 bei Druckmaschinen, vorzugsweise Rollenoffset-, Tiefdruck- und Flexodruckmaschinen.
- Verwendung nach Anspruch 15 in einem Trockner mit Heizeinrichtungen.
- Verwendung nach Anspruch 15 beim Auflaufen der Materialbahn (5) auf Kühlwalzen.
- Verwendung nach Anspruch 15 vor Führungs- und/oder Umlenkwalzen (7, 8) zum Stabilisieren der schwimmenden Materialbahn (5).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19525453 | 1995-07-13 | ||
| DE19525453A DE19525453A1 (de) | 1995-07-13 | 1995-07-13 | Vorrichtung zum Ablösen der gasförmigen laminaren Grenzschicht |
| PCT/EP1996/001972 WO1997003009A1 (de) | 1995-07-13 | 1996-05-09 | Vorrichtung zum ablösen der gasförmigen laminaren grenzschicht |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0837824A1 EP0837824A1 (de) | 1998-04-29 |
| EP0837824B1 true EP0837824B1 (de) | 2001-01-31 |
Family
ID=7766680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96919745A Expired - Lifetime EP0837824B1 (de) | 1995-07-13 | 1996-05-09 | Vorrichtung zum ablösen der gasförmigen laminaren grenzschicht |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6285032B1 (de) |
| EP (1) | EP0837824B1 (de) |
| JP (1) | JP3285360B2 (de) |
| KR (1) | KR100331345B1 (de) |
| AT (1) | ATE199010T1 (de) |
| DE (2) | DE19525453A1 (de) |
| DK (1) | DK0837824T3 (de) |
| WO (1) | WO1997003009A1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117667A1 (de) * | 2001-04-09 | 2002-10-10 | Bachofen & Meier Ag Buelach | Vorrichtung zum Absaugen einer Luftgrenzschicht von einer laufenden Materialbahn |
| DE10247464A1 (de) * | 2002-10-11 | 2004-04-22 | Eltosch Torsten Schmidt Gmbh | Trocknervorrichtung |
| DE10326424A1 (de) * | 2003-06-10 | 2004-12-30 | Solar Dynamics Gmbh | Vorrichtung zur gezielten Beeinflussung von Wärmeübergängen |
| DE102005048002B4 (de) * | 2005-10-06 | 2010-03-25 | Eltex-Elektrostatik Gmbh | Hochspannungselektrodenanordnung |
| DE102009049210A1 (de) | 2009-10-13 | 2011-05-19 | Steinemann Technology Ag | Tintenstrahldrucker und Verfahren zum Betreiben eines solchen Tintenstrahldruckers |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10012347A1 (de) * | 2000-03-14 | 2001-09-20 | Voith Paper Patent Gmbh | Vorhang- Auftragsvorrichtung |
| DE10012257A1 (de) * | 2000-03-14 | 2001-09-20 | Voith Paper Patent Gmbh | Auftragsvorrichtung |
| DE10012256A1 (de) * | 2000-03-14 | 2001-09-20 | Voith Paper Patent Gmbh | Auftragsvorrichtung |
| US20030136342A1 (en) | 2000-03-14 | 2003-07-24 | Benjamin Mendez-Gallon | Application device |
| DE10018010C2 (de) * | 2000-04-11 | 2003-10-16 | Eltex Elektrostatik Gmbh | Vorrichtung zum Entstauben swie deren Verwendung |
| DE10033839A1 (de) * | 2000-07-12 | 2002-01-24 | Roland Man Druckmasch | Trocknereinrichtung innerhalb einer Bogendruckmaschine |
| DE10039073A1 (de) * | 2000-08-10 | 2002-02-28 | Ist Metz Gmbh | Vorrichtung und Verfahren zur Koronabehandlung von Flachmaterial |
| DE10041934A1 (de) * | 2000-08-25 | 2002-03-07 | Roland Man Druckmasch | Verfahren und Vorrichtung zum Beschichten von Druckprodukten |
| ES2214444T5 (es) * | 2000-10-04 | 2008-02-16 | Dow Corning Ireland Limited | Metodo y aparato para formar un recubrimiento. |
| DE10050301B4 (de) * | 2000-10-10 | 2004-05-13 | Windmöller & Hölscher | Verfahren zum Ablösen einer gasförmigen laminaren Grenzschicht von schnelllaufendem Material |
| DE10050517A1 (de) * | 2000-10-11 | 2002-05-02 | Roland Man Druckmasch | Einrichtung zum Einwirken auf Bedruckstoffe innerhalb einer Druckmaschine |
| DE10061274A1 (de) * | 2000-12-08 | 2002-06-13 | Voith Paper Patent Gmbh | Maschine zur Herstellung einer Faserstoffbahn |
| DE20101511U1 (de) | 2001-01-30 | 2001-03-29 | Man Roland Druckmaschinen Ag, 63069 Offenbach | Trocknereinrichtung für eine Druckmaschine |
| TW200409669A (en) * | 2002-04-10 | 2004-06-16 | Dow Corning Ireland Ltd | Protective coating composition |
| TW200308187A (en) * | 2002-04-10 | 2003-12-16 | Dow Corning Ireland Ltd | An atmospheric pressure plasma assembly |
| GB0208261D0 (en) * | 2002-04-10 | 2002-05-22 | Dow Corning | An atmospheric pressure plasma assembly |
| DE10246271A1 (de) * | 2002-10-02 | 2004-04-15 | Windmöller & Hölscher Kg | Verfahren und Vorrichtung zum Einstellen der Farbdichte auf einem Bedruckstoff |
| DE10255382A1 (de) | 2002-11-25 | 2004-06-03 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Textilmaschine mit wenigstens einer Entstaubungsvorrichtung |
| DE10302367A1 (de) | 2003-01-22 | 2004-08-05 | Eltex-Elektrostatik Gmbh | Vorrichtung zum Ersetzen des Luftsauerstoffs durch ein Inertgas aus einer laminaren Luftgrenzschicht sowie Verwendung derselben |
| DE10335964A1 (de) * | 2003-08-04 | 2005-03-10 | Giesecke & Devrient Gmbh | Verfahren und Vorrichtung zum Wickeln von Sicherheitsfolien |
| DE10342313A1 (de) | 2003-09-12 | 2005-04-07 | Voith Paper Patent Gmbh | Auftragsvorrichtung |
| GB0323295D0 (en) * | 2003-10-04 | 2003-11-05 | Dow Corning | Deposition of thin films |
| JP2008519411A (ja) * | 2004-11-05 | 2008-06-05 | ダウ・コーニング・アイルランド・リミテッド | プラズマシステム |
| GB0509648D0 (en) * | 2005-05-12 | 2005-06-15 | Dow Corning Ireland Ltd | Plasma system to deposit adhesion primer layers |
| JP2008296527A (ja) * | 2007-06-04 | 2008-12-11 | Tohoku Ricoh Co Ltd | インキ硬化定着方法及び印刷方法、並びにそれらに用いるインキ |
| DE102008001103A1 (de) * | 2008-04-10 | 2009-10-15 | Manroland Ag | Umströmtes Bauteil |
| US8382243B2 (en) * | 2010-11-29 | 2013-02-26 | Zamtec Ltd. | Printer with reduced vortex oscillation in print gap |
| DE102013205052B4 (de) * | 2013-03-21 | 2025-12-04 | Bundesdruckerei Gmbh | Vorrichtung und Verfahren zur kontaktlosen Anregung |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2716826A (en) * | 1951-10-24 | 1955-09-06 | Huebner Company | Apparatus for reproducing images |
| US3358289A (en) * | 1963-05-23 | 1967-12-12 | Burroughs Corp | Electrostatic transducer apparatus |
| US3298030A (en) * | 1965-07-12 | 1967-01-10 | Clevite Corp | Electrically operated character printer |
| US3623123A (en) * | 1969-03-10 | 1971-11-23 | Singer Co | Electrostatic printer |
| US3941550A (en) * | 1972-02-04 | 1976-03-02 | Marion George J | Apparatus using solid insulating material as a center plate between multiple flat extrusion streams |
| US4260235A (en) | 1979-03-26 | 1981-04-07 | International Business Machines Corporation | Contamination prevention system |
| US4359826A (en) * | 1980-03-21 | 1982-11-23 | The Mead Corporation | Drying system |
| US4476636A (en) * | 1980-10-27 | 1984-10-16 | Gross Frank R | Boundary air layer modification structure for heat transfer roll |
| DE3440197A1 (de) * | 1984-11-03 | 1986-05-07 | Hoechst Ag, 6230 Frankfurt | Verfahren fuer die kontinuierliche, kontaktlose schichtdickenbestimmung sowie anordnung zur durchfuehrung des verfahrens |
| JPH0673643B2 (ja) * | 1986-02-10 | 1994-09-21 | ノードソン株式会社 | 不導電性かつ空隙性を有する被塗物への粉体の静電塗布方法とその装置 |
| US5152838A (en) * | 1989-01-17 | 1992-10-06 | Polaroid Corporation | Coating fluid drying apparatus |
| DE3903235A1 (de) * | 1989-02-03 | 1990-08-09 | Hoechst Ag | Verfahren und vorrichtung zur oberflaechenvorbehandlung von flaechenhaften koerpern mit elektrischer koronaentladung |
| GB9003283D0 (en) * | 1990-02-14 | 1990-04-11 | Kodak Ltd | Web cleaning apparatus |
| US5521383A (en) * | 1993-06-18 | 1996-05-28 | Sharp Kabushiki Kaisha | Corona discharge device |
| US5907468A (en) * | 1994-10-19 | 1999-05-25 | Haug Gmbh & Co. Kg | Device for applying unipolar electrical charges to a moving electrically-insulated surface using a corona electrode |
| JP2651478B2 (ja) * | 1994-12-15 | 1997-09-10 | 春日電機株式会社 | 除電除塵方法及び除電除塵装置 |
-
1995
- 1995-07-13 DE DE19525453A patent/DE19525453A1/de not_active Withdrawn
-
1996
- 1996-05-09 DE DE59606413T patent/DE59606413D1/de not_active Expired - Lifetime
- 1996-05-09 US US08/983,456 patent/US6285032B1/en not_active Expired - Fee Related
- 1996-05-09 WO PCT/EP1996/001972 patent/WO1997003009A1/de not_active Ceased
- 1996-05-09 JP JP50544297A patent/JP3285360B2/ja not_active Expired - Lifetime
- 1996-05-09 AT AT96919745T patent/ATE199010T1/de active
- 1996-05-09 EP EP96919745A patent/EP0837824B1/de not_active Expired - Lifetime
- 1996-05-09 KR KR1019970706609A patent/KR100331345B1/ko not_active Expired - Fee Related
- 1996-05-09 DK DK96919745T patent/DK0837824T3/da active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117667A1 (de) * | 2001-04-09 | 2002-10-10 | Bachofen & Meier Ag Buelach | Vorrichtung zum Absaugen einer Luftgrenzschicht von einer laufenden Materialbahn |
| DE10247464A1 (de) * | 2002-10-11 | 2004-04-22 | Eltosch Torsten Schmidt Gmbh | Trocknervorrichtung |
| DE10326424A1 (de) * | 2003-06-10 | 2004-12-30 | Solar Dynamics Gmbh | Vorrichtung zur gezielten Beeinflussung von Wärmeübergängen |
| DE102005048002B4 (de) * | 2005-10-06 | 2010-03-25 | Eltex-Elektrostatik Gmbh | Hochspannungselektrodenanordnung |
| DE102009049210A1 (de) | 2009-10-13 | 2011-05-19 | Steinemann Technology Ag | Tintenstrahldrucker und Verfahren zum Betreiben eines solchen Tintenstrahldruckers |
| DE102009049210B4 (de) * | 2009-10-13 | 2011-09-01 | Steinemann Technology Ag | Tintenstrahldrucker und Verfahren zum Betreiben eines solchen Tintenstrahldruckers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59606413D1 (de) | 2001-03-08 |
| JP3285360B2 (ja) | 2002-05-27 |
| KR19980703206A (ko) | 1998-10-15 |
| DK0837824T3 (da) | 2001-06-18 |
| KR100331345B1 (ko) | 2002-11-23 |
| ATE199010T1 (de) | 2001-02-15 |
| DE19525453A1 (de) | 1997-01-16 |
| JPH11508505A (ja) | 1999-07-27 |
| EP0837824A1 (de) | 1998-04-29 |
| US6285032B1 (en) | 2001-09-04 |
| WO1997003009A1 (de) | 1997-01-30 |
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