EP2153998A2 - Système d'alimentation en encre et procédé de nettoyage d'un tel système d'alimentation en encre - Google Patents

Système d'alimentation en encre et procédé de nettoyage d'un tel système d'alimentation en encre Download PDF

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Publication number
EP2153998A2
EP2153998A2 EP09010486A EP09010486A EP2153998A2 EP 2153998 A2 EP2153998 A2 EP 2153998A2 EP 09010486 A EP09010486 A EP 09010486A EP 09010486 A EP09010486 A EP 09010486A EP 2153998 A2 EP2153998 A2 EP 2153998A2
Authority
EP
European Patent Office
Prior art keywords
tank
ink
return
cleaning
feed
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
Application number
EP09010486A
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German (de)
English (en)
Other versions
EP2153998A3 (fr
EP2153998B1 (fr
Inventor
Verner Delueg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Durst Phototechnik Digital Technology GmbH
Original Assignee
Durst Phototechnik Digital Technology GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to PL09010486T priority Critical patent/PL2153998T3/pl
Publication of EP2153998A2 publication Critical patent/EP2153998A2/fr
Publication of EP2153998A3 publication Critical patent/EP2153998A3/fr
Application granted granted Critical
Publication of EP2153998B1 publication Critical patent/EP2153998B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/1707—Conditioning of the inside of ink supply circuits, e.g. flushing during start-up or shut-down
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17556—Means for regulating the pressure in the cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/18—Ink recirculation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/19—Ink jet characterised by ink handling for removing air bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/12—Embodiments of or processes related to ink-jet heads with ink circulating through the whole print head

Definitions

  • the invention relates to an ink supply system as described in the preamble of claim 1, and a method for cleaning such an ink supply system, as indicated in the preamble of claim 12.
  • Ink jet printer ink supply systems which include a printhead assembly having at least one printhead.
  • a printhead assembly having at least one printhead.
  • EP 1 831 025 B1 For example, such a system includes a feed tank containing an ink supply for an ink jet printhead and a return tank containing an excess of ink not used by the ink jet head.
  • An intermediate container containing a larger supply of ink is connected via a line with the interposition of a filter arrangement, with the feed tank.
  • ink is conveyed from the intermediate tank into the feed tank via a conveying medium.
  • the ink is supplied via a feed line to a first connecting line of a flow channel in a print head, wherein the second connecting line of this flow channel is connected via a further connecting line to the return tank, which is connected via a further connecting line with the interposition of a filter assembly and a conveying means with the intermediate container is.
  • a pressure difference is established in the interior between the interior of the feed tank and the interior of the return tank via a means, such as a vacuum generator, so that the ink is transported from the feed tank through the print head to the return tank by this pressure difference.
  • a means such as a vacuum generator
  • a positive pressure is applied to both the feed tank and the return tank, which ensures that the ink contained in the two tanks is flushed out through the print head.
  • a disadvantage of this system is that by flushing the ink through the ink jet print head through the fine holes of the individual ink jet nozzles pressed by system deposited impurities by the pressure in the fine nozzle openings of the individual nozzles of the print head and thus they can be blocked.
  • the invention has for its object to provide an ink supply system in which the ink can be continuously recycled and which allows the discharge of circulating contaminants with minimal effort.
  • the resulting in the course of the return of the ink from the return tank on the print head in the feed tank ink can be pumped back directly into the intermediate tank, so that they are there with the circulating, or fresh ink mixed and the appropriately trained filter can be fed again into the ink supply circuit.
  • a further embodiment variant according to claim 3 is advantageous since in this way the excess ink can be removed more precisely from the return tank.
  • the pressure balance in the ink between the levels in the feed and return tank relative to the nozzle holes of the printhead can be accurately controlled and unwanted dripping of ink even with changing liquid levels in the supply and return tanks, For example, when refilling or pumping of ink, prevents and also when stopping the printing device or in printing pauses, a sufficient retention pressure of the ink in the region of the nozzle bores of the print heads can be achieved.
  • the arrangement of pressure control means according to claim 5 is advantageous.
  • the present object of the invention is also solved independently by a method for cleaning an ink supply system, as described in claim 12.
  • the advantage here is that removal of impurities such as those caused by sedimentation in the sense of self-cleaning by means of the ink used is possible and thus the interruptions can be shortened and at the same time the cleaning runs can be carried out in an advantageous manner at shorter intervals.
  • no additional cleaning liquid is required for this cleaning and is therefore significantly reduced by the interruption period for the cleaning cycle.
  • the elimination of an additional cleaning liquid the subsequent printing process can not be adversely affected.
  • the further procedure according to claim 14 since the ink flows in recirculation from the return tank via the feed tank in the intermediate tank fresh over the bottom of the feed tank and can better mitschwemmen there located impurities.
  • the flow rate of the ink through the feed tank can be additionally increased, so that there located impurities are better removed.
  • the Fig. 1 shows a part of an ink jet printer 1 with an ink supply system 2 in a highly simplified, schematic representation. For reasons of clarity, the ink supply system 2 is shown only for one color or one ink. Thus, for an ink jet printer 1 for printing multicolor images, there are several Provide ink supply systems 2 at least for the number of colors to be printed.
  • the inkjet printer 1 has a horizontally arranged transport device 3 for advancing an example. on it, held against displacement, to be printed object 4 in a feed direction 5 (as shown perpendicular to the plane out) on.
  • the illustrated ink supply system 2 may be used for both single pass printing installations where the printheads are themselves.
  • a transport device 3 an object to be printed 4 in over the entire maximum printing width continuously with the desired colors and, if desired, additionally printed with the color WHITE, a transparent ink layer and / or a protective layer.
  • the ink supply system 2 but also for scan - used printheads, with which several printheads different colors, and optionally the color WHITE and / or transparent and / or protective layers can be applied, but the one or more printheads only over part of the Width of the object to be printed 4 extend and each stripe the color, during a movement transverse to the longitudinal direction of the object to be printed 4, is applied and the object to be printed 4 after each cross feed of the print head over its width and the transport device 3 by a presettable extent in Conveying direction is moved intermittently forward.
  • the ink supply system 2 for printing devices in which the ink droplets are deflected after exiting the printhead by an electromagnetic field so that they impinge on the correct location of the object to be printed.
  • the object 4 to be printed may be different materials, for example film-like materials made of paper, plastic, metal, textile and the like, or nonwovens, nets and the like, but it is also possible to print plate-shaped material and band-shaped material from the abovementioned materials ,
  • plate-like material or components or films made of wood for example, with different wood structure to this wood, ceramic as ceramic components as burned goods or as green compacts, natural stones or other natural materials such as mats, nets, nonwovens or leather and other building materials such as plasterboard, plaster components or the like to print.
  • the transport device 3 is formed for example by a circulating conveyor belt, which is guided or driven via at least two deflection rollers.
  • the moving in the direction of feed 5 upper portion of the conveyor belt is supported by one or more guide plates on its underside, so that a correspondingly uniform horizontal movement of the object 4 in the feed direction 5 is achieved.
  • a conveyor belt a movable carriage on which the objects to be printed 4 are held by vacuum or chuck, or to move the objects to be printed 4 on a roller conveyor or guided between guide rollers below the printhead assembly 6.
  • the printhead assembly 6 has in the present embodiment for each color a plurality of printheads 7, so that the entire width of the print medium or the object 4 can be printed at once, without the printhead assembly 6 must move relative to the feed direction in the lateral direction. That the printhead assembly 6 is stationary during printing in the lateral direction and thus arranged stationary with respect to the transport device 3.
  • Each of the print heads 7 has a nozzle row formed by a plurality of juxtaposed and usually linearly aligned nozzles 8.
  • the nozzle row contains, for example, 128 juxtaposed nozzles 8 (for reasons of clarity in FIG Fig. 1 only schematically) are indicated by dashed lines.
  • a single print head 7 or a nozzle row accordingly has a printing width 9 measured perpendicularly with respect to the feed direction 5.
  • the print heads 7 and their nozzle rows are lined up close to each other, so that a total print area width 10 of the print head assembly 6 results.
  • the print heads 7 must be arranged alternately offset with respect to the feed direction 5, which is shown in the illustration Fig. 1 additionally indicated by a slight vertical displacement.
  • the printheads 7 could instead of perpendicular also arranged obliquely with respect to the feed direction 5 In this case, a smaller printing width 9 can be achieved, but vice versa, but a higher resolution or pixel density can be achieved.
  • the ink supply system 2 first comprises a main tank 11 from which an intermediate tank 12 is supplied with ink. These are connected via a feed tank 13, in which a conveyor 14 is arranged. To supply the print heads 7 from the intermediate tank 12 with ink, it is connected to the print head arrangement 6 or the print heads 7 via a filling line 15. Thus, a plurality of printheads 7 are each connected by a conduit to the common sub-tank 12. It may be more advantageous that all of the intermediate tank 12 with the printheads 7 connecting filling lines 15 have a directed from the intermediate tank 12 to the printheads 7 slope. This has the advantage that air bubbles, which can arise from different causes in the pumped ink, can always escape upward and so a number of possible malfunctions of a print head 7 can be reduced.
  • a conveying means 16 is arranged, with which the ink is conveyed from the intermediate tank 12 through the filling line 15 to a feed tank 17 arranged between the latter and the printing heads 7.
  • a filter arrangement 18 is arranged in the filling line 15 between the intermediate tank 12 and the feed tank 17.
  • the feed tank 17 is connected via a first connecting line 19 to an inlet of a flow channel 20 in the print head 7.
  • a second connecting line 21 is connected, which connects the flow channel 20 to a return tank 22.
  • a suction line 23 is arranged, which is connected to a return line 24 which opens into the intermediate tank 12.
  • a conveying means 25 for example a piston pump or vane pump, is arranged.
  • a drain line 26 is arranged between the feed tank 17 and the intermediate tank 12, which is preferably connected in the bottom region of the feed tank 17.
  • the first connecting line is connected between the feed tank 17 and the print head 7 in the bottom area of the feed tank 17.
  • a conveying means 27, for example a pump, can preferably be arranged in the discharge line 26, a conveying means 27, for example a pump, can preferably be arranged.
  • the drain line 26 can also be activated via a valve arrangement 28, if necessary, in which the line connection between the feed tank 17 and the intermediate tank 12 is opened, whereas it is preferably closed in normal printing operation.
  • valve assemblies 29 and 30 in the filling line 15 and in the return line 24.
  • these lines can be opened or closed as needed.
  • all valve arrangements are fluid valves, which can preferably be adjusted via electromechanical drives as a function of the control commands of a central control device 31, adapted to the respective operating states.
  • a manual adjustment of these valve arrangements for example by emergency button or push button, possible.
  • At least the return tank 22, but preferably also the feed tank 17, is at least alternately connected to a means 32, in particular a vacuum module, for controlling the counterpressure on the print head 7.
  • a means 32 in particular a vacuum module, which may be formed for example by a vacuum generating plant such as a vacuum pump or a Venturi - nozzle assembly, in the inlet and / or return tank 17, 22, a corresponding back pressure to the hydrostatic pressure of the ink in Area of the nozzles 8 of the print head 7 are constructed.
  • a central vacuum generating system or vacuum pump is present and this is alternately connected via the pressure connection only with the return tank 22 or only with the feed tank 17, including a valve assembly 35, which as well as the aforementioned valve assembly 28, 29 is formed can be provided.
  • the means 32 for controlling the back pressure further comprises active pressure control means 36. These are directly or via the control device 31 with sensor devices 37 and / or 38 and / or 39 in the return and / or inlet and / or intermediate tank 22, 17, 12 connected. They serve predominantly for determining the liquid levels in the individual tanks and can thus also be used to control the conveying means 16 and 25 via the control device 31.
  • the means 32 for maintaining a pressure difference for example the vacuum system, is designed such that both the pressure difference necessary for the ink flow is generated and the pressure drop caused by the hydrostatic pressure of the liquid columns is compensated, so that the absolute pressure of the liquid column in the region of the nozzle openings (8) the print heads are less than the ambient air pressure.
  • the inlet and / or return tank 17, 22 is connected to the vacuum system in such a way that the air located above a liquid level of the liquid levels 40, 41 of the ink can be set under negative pressure relative to the ambient air pressure. This is necessary to prevent leakage of the filled inks through the nozzle opening of the print heads 7 due to the dead weight of the ink.
  • sensor devices 37, 38 are further arranged for level monitoring, with which the liquid levels 40, 41 of the ink can be measured.
  • the liquid level 40, 41 in the tanks can be monitored in the control device 31 and can be topped up by corresponding activation of the conveying means 16 from / to the intermediate tank 12, so that the liquid level 40, 41 is preferably kept constant can be.
  • the level of the liquid level at least approximately constant is important in that the height difference between the liquid level 40, 41 and the nozzle openings of the nozzles 8 in the spinning heads 7 corresponding hydrostatic pressure of the ink for the pressure ratios of the ink in the print heads 7 and thus is responsible for a trouble-free operation.
  • the ink circulates only in the circuit between the sub-tank 12, the feed tank 17, the return tank 22 and the sub-tank 12, the sum of the above liquid level in the air pressure prevailing in the tanks 17, 22 and the hydrostatic pressure of the ink liquid are equal or slightly smaller than the ambient air pressure.
  • the negative pressure or the air pressure prevailing over the liquid level 40, 41 must be set in such a way that on the one hand the pressure difference necessary for the ink flow and the correct meniscus negative pressure prevail at the nozzle opening.
  • FIG. 2 corresponds to the illustration in Fig. 1 , which is why the same reference numerals have been used for the same parts.
  • the process flow in the operation of the ink jet printer 1 is as follows.
  • the ink is sucked from the intermediate tank 12 via a suction nozzle of a filling line 15 by a conveyor 16, for example, a feed pump from the intermediate tank 12 and cleaned by a, for example, between the intermediate tank 12 and the conveyor 16 arranged filter assembly 18 and optionally additionally degassed via a degassing 42 before it is supplied to the feed tank 17 after passing through a valve arrangement 29 opened in this case for the passage.
  • the fill level 40 of the ink is monitored in the feed tank 17 by a sensor or a sensor arrangement 38.
  • About the means 32 for controlling the pressure conditions in the feed tank 17 and in the return tank 22 is, for example, by applying a negative pressure in the interior of the return tank 22 at a corresponding in Fig.
  • a conveying means 25 for example a pump, may also be controlled by the central control means 31 in dependence on the level 41, which may be monitored with one or more sensor devices 37.
  • the flow of ink through the drain line 26 is inhibited. This can be done by stopping the conveyor 27 and / or by shutting off the line through the valve assembly 28, such as in Fig. 1 also shown, done.
  • the ink supply system 2 described intermittently, ie in a previously determinable or controlled dependence on the flow rate of the ink and the amount of ink consumed To reverse ink flow in the connecting lines 19 and 21.
  • a mode may be provided in which the period during the reversing passage of the ink, in the direction opposite to the normal direction to keep relatively short, so that any overheating in the printheads 7 by supply the optionally slightly warmer ink in the return tank 22 relative to the feed tank 17 can be avoided.
  • conveying means 16 and 25 are designed either for reversible conveying of the ink or parallel connected conveying means are arranged in order to reverse the ink passage in the return line 24 and the filling line 15 at any time.
  • the control of the negative pressure conditions in the inlet and return tanks 17, 22 and the various conveying means 16, 25 can be done by the central control device 31, according to the known specifications. Via the control device 31, the means 32 with the active pressure control means 36 can be controlled accordingly to ensure the previously described pressure conditions in the inlet and outlet tanks 17, 22 and in the print heads 7, in particular in the outlet area 8.
  • the means 32 instead of or in addition to the regulation of the pressure in the vacuum module, means 32, also in the inlet and / or return tank and / or in the flow channel pressure sensors 45 may be arranged.
  • the parallel connection of printheads 7, especially the parallel connection of each printhead 7, between the inlet and outlet tanks 17, 22, has the advantage that the degree of contamination and disturbances due to contamination can be significantly reduced, since the ink only by a single Flow channel 20 of a single printhead 7 flows through.
  • the advantage here is that the impurities are sucked out of the flow channels 20 and thus clogging of the fine nozzle channels by the negative pressure in the feed tank 17 can be removed more easily and gently, in contrast to pressurization with overpressure.
  • This cleaning process or cleaning cycle can be further enhanced by the fact that after the interruption of the ink supply from the filling line 15 and the ink discharge through the return line 24 by a correspondingly applied negative pressure in the return tank 22, the entire ink supply from the feed tank 17 is sucked through the bottom area and through the Printheads 7, possibly even with a higher flow rate, can be washed through. If the feed tank 17 is then emptied, the negative pressure can be applied via the means 32, for example by switching the valve assembly 35, exclusively to the feed tank 17 or a higher pressure in the return tank 22 as in the feed tank 17 are applied.
  • the aforementioned impurities resulting from these cleaning operations do not interfere with the further use of the ink because they mix with the ink supply in the intermediate tank 12 and with the fresh ink optionally supplied from the main tank 11 and the conveyance of the ink from the intermediate tank 12 via the filter assembly 18, in which these impurities are then finally eliminated and removed from the ink circulation.
  • Fig. 3 is purely schematically a part of a channel such as the inlet channel 13, the flow channel 20 or a line such as the filling line 15 and the connecting line 19 and 21 cut in side view shown.
  • this channel or in this line adheres to a formed, for example, by particle agglomeration, sedimentation, gelation and the like deposit 47 at. It is now shown schematically that this deposit 47 in the flow direction 48, which is present for example in the normal pressure operation, abuts an inner wall 49 of the line 19.
  • the deposit 47 provides greater resistance to the flowing medium and can therefore, as with dashed lines Lines indicated, more easily lifted from the inner wall 49 and by the thus additionally opposite to the flow resistance, are more easily detached from the inner wall 49 and flushed out.
  • the cleaning effect can be additionally reinforced when using an opposite flow direction 50.
  • the ink supply system described above also requires heating and temperature control of the ink.
  • the ink is already preheated or heated in the main tank 11.
  • electrical heating elements 51 may be arranged in the main tank as well as temperature sensor 52.
  • the control of the heating elements 51 under monitoring with the temperature sensors 52 may be effected via the control device 31.
  • the ink in the intermediate tank 12 is precisely controlled and controlled by means of heating elements 51 on the basis of the temperatures measured by the temperature sensors 52 and the ink is kept at the temperature required in the printing heads 7.
  • two heating stages are provided in the ink supply system according to the invention, and in addition to the first heating stage, namely the heating elements 51 in the intermediate tank 12, a heating element 51 is also arranged in the feed tank 17 and the temperature in this feed tank 17 with temperature sensor 52 is precisely monitored.
  • the heating elements 53 can be performed with lower power than the heating elements 51 in the intermediate tank 12 and therefore, even with the appropriate use of temperature sensors with very high accuracy, an exact control of the temperature in a range of +/- 0.2 ° C possible.
  • control can take place by means of the control device 31.
  • heating elements 51 or 53 in the return tank 22 can be used to heat the ink to a higher temperature during the cleaning process, so that a higher viscosity is achieved. This favors the flow properties of the ink during the cleaning process and the flushing out of impurities or the dissolution of sedimentations or agglomerations.

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  • Ink Jet (AREA)
EP09010486A 2008-08-14 2009-08-14 Système d'alimentation en encre et procédé de nettoyage d'un tel système d'alimentation en encre Active EP2153998B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09010486T PL2153998T3 (pl) 2008-08-14 2009-08-14 Układ zasilania atramentem i sposób oczyszczania tego rodzaju układu zasilania atramentem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0127508A AT507142B1 (de) 2008-08-14 2008-08-14 Tintenversorgungssystem und verfahren zum reinigen eines tintenversorgungssystems

Publications (3)

Publication Number Publication Date
EP2153998A2 true EP2153998A2 (fr) 2010-02-17
EP2153998A3 EP2153998A3 (fr) 2010-09-08
EP2153998B1 EP2153998B1 (fr) 2011-11-09

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Application Number Title Priority Date Filing Date
EP09010486A Active EP2153998B1 (fr) 2008-08-14 2009-08-14 Système d'alimentation en encre et procédé de nettoyage d'un tel système d'alimentation en encre

Country Status (5)

Country Link
US (2) US20100039460A1 (fr)
EP (1) EP2153998B1 (fr)
AT (2) AT507142B1 (fr)
ES (1) ES2376799T3 (fr)
PL (1) PL2153998T3 (fr)

Cited By (4)

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EP2412532A1 (fr) * 2010-07-30 2012-02-01 Brother Kogyo Kabushiki Kaisha Appareil d'éjection de liquide
AT13816U1 (de) * 2012-09-21 2014-09-15 Benito Pedro Verbesserte Tintenrezirkulationssysteme und zugeordnete Strukturen
CN105562412A (zh) * 2015-12-25 2016-05-11 北海绩迅电子科技有限公司 一种再生墨盒的清洗机及清洗方法
DE102020109033A1 (de) 2020-04-01 2021-10-07 CADIS Engineering GmbH Tinten-Versorgungsanordnung für die Druckköpfe eines Tintenstrahldruckers

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JP4872649B2 (ja) * 2006-12-18 2012-02-08 富士ゼロックス株式会社 液滴吐出ヘッドおよび液滴吐出装置
AT507445B1 (de) * 2008-10-31 2011-09-15 Durst Phototechnik Digital Technology Gmbh Tintenversorgungssystem für einen tintenstrahldrucker
JP2011110737A (ja) * 2009-11-25 2011-06-09 Seiko Epson Corp 液体噴射装置、及び、その制御方法
JP2011178041A (ja) * 2010-03-01 2011-09-15 Seiko Epson Corp 制御装置及び液体噴射装置
JP5443287B2 (ja) * 2010-06-30 2014-03-19 株式会社ミヤコシ インクジェット記録装置のインク供給装置
US8794725B2 (en) 2011-01-06 2014-08-05 Engage Technologies Corp. Direct acting vacuum control ink system
JP5776227B2 (ja) * 2011-03-04 2015-09-09 セイコーエプソン株式会社 液体吐出装置およびその制御方法
US8696098B2 (en) 2011-12-09 2014-04-15 Xerox Corporation Printhead having particle circulation with separation
ITMO20120093A1 (it) 2012-04-05 2013-10-06 System Spa Sistema di alimentazione per stampanti a getto di inchiostro.
JP5777581B2 (ja) * 2012-08-10 2015-09-09 株式会社ミヤコシ インクジェット記録装置
WO2014188955A1 (fr) * 2013-05-20 2014-11-27 コニカミノルタ株式会社 Dispositif d'impression à jet d'encre et procédé d'entretien de tête d'impression
JP6280742B2 (ja) 2013-12-27 2018-02-14 東芝テック株式会社 液体循環装置、液体吐出記録装置、および液体循環方法
JP6336863B2 (ja) * 2014-09-04 2018-06-06 東芝テック株式会社 液体吐出装置および液体吐出方法
JP6336862B2 (ja) * 2014-09-04 2018-06-06 東芝テック株式会社 液体吐出装置
JP6441620B2 (ja) * 2014-09-04 2018-12-19 東芝テック株式会社 インク循環装置の洗浄装置とインク循環装置の洗浄方法
WO2016122543A1 (fr) 2015-01-29 2016-08-04 Hewlett-Packard Development Company, L.P. Identification de têtes d'impression amorcées
JP6355164B2 (ja) * 2015-03-30 2018-07-11 富士フイルム株式会社 液滴吐出装置
JP6397791B2 (ja) 2015-04-03 2018-09-26 東芝テック株式会社 液体循環装置、液体吐出装置、および液体吐出方法
JP6538878B2 (ja) * 2015-06-30 2019-07-03 ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． 印刷流体の循環
ITUB20154980A1 (it) * 2015-10-16 2017-04-16 Sacmi Sistema di alimentazione per una stampante a getto di inchiostro
US20170282544A1 (en) * 2016-03-31 2017-10-05 Xerox Corporation Single jet recirculation in an inkjet print head
IT201600107827A1 (it) * 2016-10-26 2018-04-26 Jet Set S R L Apparato di stampa e relativo procedimento
JP6888333B2 (ja) * 2017-03-03 2021-06-16 セイコーエプソン株式会社 液体噴射装置
JP6407336B2 (ja) * 2017-03-17 2018-10-17 東芝テック株式会社 インクジェットヘッドユニット、液体吐出装置、及び液体吐出方法
TWI789532B (zh) * 2018-07-30 2023-01-11 瑞士商西克帕控股有限公司 用於印刷模組的墨水輸送系統和用於輸送墨水的方法
JP7151330B2 (ja) * 2018-09-27 2022-10-12 ブラザー工業株式会社 液体吐出装置
JP7309393B2 (ja) * 2019-03-15 2023-07-18 キヤノン株式会社 液体吐出装置及び液体吐出装置における液体の充填方法
JP7275831B2 (ja) * 2019-05-14 2023-05-18 セイコーエプソン株式会社 液体噴射ヘッド及び液体噴射システム
IT201900019583A1 (it) * 2019-10-22 2021-04-22 Topjet S R L Stampante a getto di inchiostro
JP7467935B2 (ja) * 2020-01-27 2024-04-16 コニカミノルタ株式会社 インクジェット記録装置
JP7435092B2 (ja) 2020-03-17 2024-02-21 株式会社リコー 液体を吐出する装置
IT202000031805A1 (it) 2020-12-22 2022-06-22 A I S R L Sistema di stabilizzazione inchiostro per stampanti ink-jet.
CN112938554B (zh) * 2021-01-27 2023-04-07 贵阳天海数码科技有限公司 纸张分离装置
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EP2412532A1 (fr) * 2010-07-30 2012-02-01 Brother Kogyo Kabushiki Kaisha Appareil d'éjection de liquide
CN102343715A (zh) * 2010-07-30 2012-02-08 兄弟工业株式会社 液体喷射设备
US8672461B2 (en) 2010-07-30 2014-03-18 Brother Kogyo Kabushiki Kaisha Liquid ejection apparatus
CN102343715B (zh) * 2010-07-30 2015-01-28 兄弟工业株式会社 液体喷射设备
AT13816U1 (de) * 2012-09-21 2014-09-15 Benito Pedro Verbesserte Tintenrezirkulationssysteme und zugeordnete Strukturen
CN105562412A (zh) * 2015-12-25 2016-05-11 北海绩迅电子科技有限公司 一种再生墨盒的清洗机及清洗方法
CN105562412B (zh) * 2015-12-25 2017-10-03 北海绩迅电子科技有限公司 一种再生墨盒的清洗机及清洗方法
DE102020109033A1 (de) 2020-04-01 2021-10-07 CADIS Engineering GmbH Tinten-Versorgungsanordnung für die Druckköpfe eines Tintenstrahldruckers

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US8746860B2 (en) 2014-06-10
US20100039460A1 (en) 2010-02-18
AT507142A2 (de) 2010-02-15
US20130300807A1 (en) 2013-11-14
ATE532637T1 (de) 2011-11-15
AT507142B1 (de) 2011-05-15
EP2153998A3 (fr) 2010-09-08
PL2153998T3 (pl) 2012-04-30
EP2153998B1 (fr) 2011-11-09
ES2376799T3 (es) 2012-03-16

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