Entries |
Document | Title | Date |
20080259146 | INK-JET RECORDING HEAD AND METHOD FOR MANUFACTURING INK-JET RECORDING HEAD - An ink-jet recording head and a method for manufacturing the same. The method includes forming a photosensitive resin layer on a support component and forming through holes in the resin layer. Since the diameters of the through hole on both sides of the photosensitive resin layer are made equal, the bonding area of a filter to a substrate is ensured, and the aperture area of the through hole per unit area is increased. A maximum aperture diameter is made to be smaller than or equal to a maximum linear distance between intersection points of a straight line passing through the geometric center of the ejection nozzle and an edge of the ejection nozzle. The head substrate and the filter are press-contacted. The support component is removed. The resulting recording head can prevent a reduction of the yield due to non-ejection of ink. | 10-23-2008 |
20080266370 | Compact Ink Delivery In An Ink Pen - In one embodiment an ink pen for an inkjet printer includes: an ink filter chamber; a pressure regulator chamber downstream from the ink filter chamber along a path of ink flow through the pen; a pressure regulator in the pressure regulator chamber; a filter in the ink filter chamber; an inlet to the ink filter chamber upstream from the filter along the ink flow path; and an outlet from the ink filter chamber to the pressure regulator chamber downstream from the filter along the ink flow path such that ink flowing from the inlet to the outlet passes through the filter. In another embodiment a method implemented in an ink delivery system for an inkjet ink pen includes: chambering ink in the pen; filtering the chambered ink; and then regulating the pressure of filtered ink. | 10-30-2008 |
20080278559 | PRINTER ASSEMBLY WITH A CONTROLLER FOR MAINTAINING A PRINTHEAD AT AN EQUILIBRIUM TEMPERATURE - Provided is a printer assembly having a media housing unit having a number of ink reservoirs internally defined by a core portion around which print media is rolled. Also included is an ink supply and printhead unit attached to the media housing unit, said printhead unit having a guillotine blade assembly to cut the print media. The printer assembly also includes a drive unit having a platen configured to extract the print media from the media housing unit and feed it past the printhead unit, said drive unit having ink transmission channels interposed between the ink reservoirs and the ink supply and printhead unit to feed ink from the ink reservoirs to the ink supply and printhead unit. Further included is a controller for controlling operation of the printhead and drive units, said controller configured to maintain said printhead at an equilibrium temperature during printing. | 11-13-2008 |
20080303884 | Liquid ejection head, liquid cartridge, and image forming apparatus - A liquid ejection head including a plurality of nozzles, a plurality of pressurizing liquid chambers, a liquid supply portion, and a filter portion. The plurality of nozzles ejects liquid droplets. The plurality of pressurizing liquid chambers are in fluid communication respectively with the nozzles. The liquid supply portion includes a plurality of individual supply channels and a fluid-communicating portion. The plurality of individual supply channels are in fluid communication respectively with the pressurizing liquid chambers to supply a liquid to the pressurizing liquid chambers. The fluid-communicating portion keeps the plurality of individual supply channels in fluid communication with one another. The filter portion is positioned to face the individual supply channels of the liquid supply portion and filters the liquid supplied to the pressurizing liquid chambers. | 12-11-2008 |
20080309745 | Systems and Methods for Varying Dye Concentrations - Systems and methods for varying dye loads. A fluid ejection apparatus includes a reservoir and an assembly. The reservoir stores ink with a first dye load and the assembly receives the ink with the first dye load from the reservoir. To obtain ink with higher dye load, the assembly evaporates a portion of the liquid solvent in the ink to obtain ink with a higher dye load. | 12-18-2008 |
20090002469 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - The invention relates to a liquid ejecting head that includes a liquid ejecting head body, a liquid-supply member, and a plurality of filters. The liquid-supply member has a plurality of liquid-supply passages formed inside the liquid-supply member used for communicating the liquid to the liquid ejecting head body. The liquid-supply member includes a first and second separate member which are adhered to each other so as to make up the liquid-supply member. A plurality of first and second filters are provided across the plurality of liquid-supply passages. The plurality of liquid-supply passages includes first liquid-supply passages that have the first filters on the surface of the first separate member and second liquid-supply passages that have the second filters on the surface of the second separate member. | 01-01-2009 |
20090002470 | Camera Printhead Assembly With Baffles To Retard Ink Acceleration - A printhead assembly is provided for a print-on-demand camera system. The printhead assembly includes an ink ejection printhead integrated circuit (IC). An ink distribution molding is provided to which the IC is mounted, and though which ink is distributed to the IC. A filter covers the ink distribution molding to filter ink passing to the ink distribution molding. A baffle unit is provided in which the ink distribution molding and filter is received, and includes spaced apart baffles to retard ink acceleration. A housing is provided in which the baffle unit is housed. | 01-01-2009 |
20090009575 | FILTER, LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PRESS WORKING METHOD - There is provided a filter having a plate-like shape in which a plurality of holes through which fluid passes is opened. A low opening region in which an aperture ratio of the holes per unit area is low and a high opening region in which an aperture ratio of the holes per unit area is high are formed in the filter. | 01-08-2009 |
20090009576 | VALVE AND REGULATOR ARRANGEMENT FOR A PRINTHEAD CARTRIDGE - Provided is an inlet valve and pressure regulator arrangement for a printhead cartridge. The arrangement includes an inlet body having a skirt engaging portion with a depressible member, and a spacer with a central hub. Also included is a diaphragm with a central opening and a spring positioned by a regulator outlet portion so that said spring biases the central opening of the diaphragm against the central hub. An increase in fluid pressure when the depressible member is operatively depressed overcomes the spring bias to allow fluid to flow from the inlet body to the regulator outlet. | 01-08-2009 |
20090021567 | PRINTING SYSTEM PARTICLE REMOVAL DEVICE AND METHOD - A printing system includes a liquid source including a liquid with the liquid including particles. An acoustic transducer is associated with the liquid source. A controller is operably associated with the acoustic transducer and is configured to actuate the acoustic transducer to generate a standing sound wave including a nodal point in the liquid such that the particles are caused to move toward the nodal point of the standing sound wave. | 01-22-2009 |
20090027469 | INK SUPPLYING SYSTEM - An ink supplying system is disclosed. The ink supplying system includes an ink tank, an adapter, an ink supplying tube, and a filter unit. The ink tank stores ink. The adapter includes a connecting section, and the adapter is detachably attached to an ink cartridge attaching section of a main body of an image forming apparatus via the connecting section, to which ink cartridge attaching section an ink cartridge is originally detachably attached. The ink supplying tube connects the ink tank to the connecting section of the adapter. The filter unit is in the middle of the ink supplying tube and the filter unit is changeable. | 01-29-2009 |
20090058970 | LIQUID EJECTING DEVICE - A liquid ejecting device is provided. The liquid ejecting device includes: a liquid ejecting head including a nozzle for ejecting a liquid; a liquid supply channel for supplying the liquid to the liquid ejecting head; a discharge channel for discharging a gas in the liquid supply channel; a gas permeable film disposed in a connecting portion between the liquid supply channel and the discharge channel, the gas permeable film partitioning the liquid supply channel and the discharge channel; and a suction unit connected to the discharge channel so as to suction the gas in the discharge channel, wherein the liquid supply channel includes a first liquid flow channel extending in an extending direction intersecting a horizontal direction, and wherein the gas permeable film defines a part of the first liquid flow channel extending in the extending direction. | 03-05-2009 |
20090122125 | LIQUID EJECTING HEAD, METHOD FOR MAKING THE SAME, AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a head main body capable of ejecting a liquid supplied from a liquid storage unit, and a supply member provided with a liquid supply passage for supplying the liquid from the liquid storage unit to the head main body. The supply member has a filter mounting member provided with the liquid supply passage, a supply body that supplies the filter mounting member with the liquid, and a filter provided between the filter mounting member and the supply body. The supply member is provided with an outer portion that fixes the filter mounting member, the supply body, and the filter and that is formed by integral molding. | 05-14-2009 |
20090153633 | INKJET HEAD - An inkjet head includes a recording element substrate, on which sets of energy generating elements generating energy to discharge ink and a supply port supplying ink to discharge ports are arranged, and an orifice plate including the discharge ports. The sets include a set having a first supply port disposed at a first edge of the substrate and a set having a second supply port disposed at a second edge of the substrate opposite the first edge. The distance between the second edge and the second supply port is shorter than the distance between the first edge and the first supply port. A contact area between the substrate and second channel walls that form second ink channels communicating with the second supply port is larger than the contact area between the substrate and first channel walls that form first ink channels communicating with the first supply port. | 06-18-2009 |
20090201353 | METAL PLATE MEMBER, A FILTER, A LIQUID JET HEAD, A LIQUID JET APPARATUS AND A METHOD OF MANUFACTURING A METAL PLATE MEMBER - A metal plate member used as a filter for a liquid ejecting head or the like is a metal plate member with a plurality of through bores perforated therethrough, and on the surface thereof, pressure imprints by pressing a pressing member are formed. | 08-13-2009 |
20090201354 | LIQUID EJECTION HEAD - The present invention provides a liquid ejection head which includes a plurality of ejection ports | 08-13-2009 |
20090207222 | LIQUID INJECTING HEAD, METHOD OF MANUFACTURING LIQUID INJECTING HEAD, AND LIQUID INJECTING APPARATUS - A liquid injecting head includes a first supply member and a second supply member in which the liquid supplying path is formed and a filter that is pinched by the first supply member and the second supply member and is disposed in correspondence with the liquid supplying path. In areas that surround the liquid supplying path of the first supply member and the second supply member on the filter side and face each other, filter pinching parts that are brought into contact with the filter are included and concave parts that surround the filter pinching parts are included on the outer side of the filter pinching parts. In addition, the first supply member, the filter, and the second supply member are bonded together by a bonding resin that is formed by flowing into the concave parts of the first supply member and the second supply member | 08-20-2009 |
20090213199 | LIQUID EJECTING HEAD, METHOD OF MANUFACTURING THE SAME, AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes: a first supply member and a second supply member, each of which has a liquid supply passage formed therein; a filter that is held between the first supply member and the second supply member in correspondence with the liquid supply passage; a thermally welded portion that is welded to the filter so that the first supply member melts and soaks into the filter in a region that surrounds the liquid supply passage; a bonded portion at which the second supply member is bonded to the filter by the thermally welded portion; and a bonding resin that is formed by being poured into an outer region between the first supply member and the second supply member and outside the thermally welded portion and bonded portion with respect to the liquid supply passage. | 08-27-2009 |
20090219367 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a head body, a supply member having a first member, a second member, and a third member each having a liquid supply channel, the supply member including a first filter provided between the first member and the second member and a second filter provided between the second member and the third member; a first outer portion being provided between the first member and the second member, the first outer member being formed by integral molding for fixing the first member, the second member; a second outer portion being provided on the outer peripheries of the second member and the third member, the second outer portion being formed by integral molding for fixing the second member, the third member, and the second filter. | 09-03-2009 |
20090244227 | FLUID EJECTING APPARATUS AND METHOD FOR PRODUCING THE FLUID EJECTING APPARATUS - A fluid ejecting apparatus, contains: an ejecting head having a plurality of nozzles for ejecting a fluid and having a laminated structure in which a flow passage plate, in which a passage for the fluid is formed, is provided via an adhesive, in which the adhesive contains an adhesion resin, to which a lipophilic function agent that gives lipophilicity to the fluid is added in a proportion of from 0.25 wt % to 5.0 wt %. | 10-01-2009 |
20090278903 | Inlet Structure and Assembly Method - In one embodiment, a fluid ejector assembly includes: an inlet structure having an opening therein through which fluid may enter the assembly, the inlet structure having a rim generally defining an outer perimeter of the inlet structure around the opening; a conduit through which fluid may pass from the opening in the inlet structure to an ejector structure; and a filter supported on the inlet structure and spanning the opening such that fluid passing through the opening in the inlet structure to the conduit passes through the filter, a peripheral edge of the filter surrounded by the rim of the inlet structure and the peripheral edge of the filter encapsulated by the inlet structure. | 11-12-2009 |
20090303303 | Inkjet Printer Incorporating Baffle Unit in Ink Supply Assembly - An inkjet printer includes a print medium cartridge storing a print medium roll, the roll including a former carrying a wound length of a print medium; an inkjet printhead assembly including an inkjet printhead having a plurality of micro-electromechanical inkjet nozzles for printing onto the print medium; a print medium feed arrangement for feeding print medium from the roll to the inkjet printhead assembly; a baffle unit defining a plurality of ink channels through which ink is transported to the inkjet printhead, the baffle unit including a plurality of slats provided in each ink channel, the plurality of slats adapted to reduce an acceleration of ink within a respective ink channel; and an ink feeder received within the baffle unit, the ink feeder defining a plurality of passages each fed from a respective ink channel of the baffle unit, each passage arranged to feed a respective type of ink to the printhead. | 12-10-2009 |
20100007708 | ACTINIC RAY CURABLE COMPOSITION, ACTINIC RAY CURABLE INK, IMAGE FORMATION METHOD EMPLOYING IT, AND INK-JET RECORDING APPARATUS - The actinic ray curable composition has a radically, photopolymerizable compound, and a non-reactive compound having a viscosity at 25° C. of from 0.1 to 20 mPa·s and a boiling point of not less than 150° C. | 01-14-2010 |
20100053286 | LIQUID SUPPLY DEVICE AND LIQUID EJECTING APPARATUS - A liquid supply device includes: a de-foaming chamber for removing air bubbles mixed in liquid; a liquid flow path which supplies the liquid to the de-foaming chamber; a filter section provided in the liquid flow path and having an introduction portion for introducing the liquid and a discharge portion for discharging the liquid, where the discharge portion is disposed at a position with a height equal to or more than that of the introduction portion in the vertical direction; and a pressurizing section for supplying the pressurized liquid to the filter section. | 03-04-2010 |
20100073446 | LIQUID EJECTING HEAD - A head for ejecting a liquid from ejection holes, including: a first flow-passage member in which are formed (a) a liquid-supply passage, (b) branch passages connected to the liquid-supply passage, and (c) discharge passages each being connected to any of the branch passages; a second flow-passage member in which are formed (a) at least one common passage each communicating with at least one of the branch passages and (b) individual passages having respective pressure chambers, each individual passage being connected to any one of the at least one common passage and introducing the liquid to a corresponding one of the ejection holes via a corresponding one of the pressure chambers; a first filter disposed in the liquid-supply passage; second filters disposed between the branch passages and the at least one common passage: and at least one energy giving member for giving ejection energy to the liquid in each pressure chamber. | 03-25-2010 |
20100097433 | LIQUID EJECTION HEAD, LIQUID SUPPLY APPARATUS, LIQUID EJECTION APPARATUS, AND LIQUID SUPPLY METHOD - The present invention provides a liquid ejection head, a liquid supply apparatus, a liquid ejection apparatus, and a liquid supply method which enable the channel resistance and pressure loss of liquid in the liquid ejection head to be reduced to increase the speed at which liquid is supplied to the nozzles. To achieve this, an ink supply chamber ( | 04-22-2010 |
20100110155 | Ink supply system and method of operating an ink supply system of an inkjet printer - The invention relates to an ink supply system ( | 05-06-2010 |
20100123766 | PRIMING SYSTEM FOR PAGEWIDTH PRINT CARTRIDGE - An ink priming system for a cartridge includes a priming inlet provided on a pagewidth printhead assembly, the priming inlet including a valve incorporating an elastomeric seal; an ink flow passage providing fluid connection between the pagewidth printhead assembly and an ink storage compartment of the cartridge, the ink flow passage terminating at the ink storage compartment to form an ink outlet; an ink filter provided across the ink outlet; a vent hole defined through a surface of the ink storage compartment, the vent hole being defined through a surface opposite the ink outlet; and an ink retaining member provided within the ink storage compartment for receiving and storing ink, the ink retaining member being interposed between the ink outlet and the vent hole. Ink is supplied to the priming inlet of the pagewidth printhead assembly to flow from the pagewidth printhead assembly into the ink storage compartment via the ink flow passage and across the ink filter. The ink received via the ink flow passage primes both the printhead assembly and the ink retaining member of each ink storage compartment with ink substantially simultaneously. | 05-20-2010 |
20100149293 | LIQUID EJECTION HEAD - A liquid ejection head includes ejection orifices allowing liquid to be ejected therethrough, passages communicating with the ejection orifices and the pressure chambers each accommodating an energy generating element generating energy for ejecting the liquid therein, a supply port supplying the liquid to the passages, and a filter including substantially cylindrical members between the supply port and passages and having openings. Each of the ejection orifices has a substantially circular cross section having larger and smaller diameters substantially perpendicularly to its liquid ejecting direction. Each of the openings has a substantially rectangular cross section having longer and shorter sides substantially perpendicularly to its liquid supplying direction. The relationships D | 06-17-2010 |
20100201767 | INKJET PRINTER WITH BUBBLEPOINT PRESSURE REGULATOR AND RECIRCULATING INK SUPPLY - An inkjet printer comprises: (a) an inkjet printhead having an inlet channel and an outlet channel; (b) an ink reservoir; (c) an ink pressure regulator for regulating a hydrostatic pressure of ink supplied to the printhead; (d) a first ink line connecting the ink outlet and the inlet channel of the printhead; and (e) a second ink line connecting the outlet channel of the printhead and a return inlet of said ink reservoir, such that ink is supplied in a recirculating circuit. The ink pressure regulator comprises: an ink chamber having an ink outlet; an air inlet open to atmosphere; and an air channel connected to the air inlet. The air channel has a constriction defining a bubble outlet, which is configured as a slot. A width dimension of the slot is dimensioned to control a Laplace pressure of air bubbles drawn into the ink as result of supplying ink to the printhead, and thereby regulates a hydrostatic pressure of the ink. | 08-12-2010 |
20100225718 | LIQUID SUPPLY APPARATUS AND LIQUID EJECTING APPARATUS - A liquid supply apparatus includes a liquid supply passage that supplies liquid from an upstream liquid supply source side to a downstream side where the liquid is consumed and a filter chamber midway in the liquid supply passage. The filter chamber has a filter that catches air bubbles in the liquid. The liquid supply passage has a pressure chamber upstream of the filter chamber. The pressure chamber is defined by a first movable wall that moves upon receiving pressure in the pressure chamber and by a second movable wall. The second movable wall receives force from the first movable wall upon displacement thereof. The second movable wall displaces toward the side of reducing the volume of the filter chamber by the force transmitted by the first movable wall when the pressure chamber and the filter chamber are pressurized from upstream side of the pressure chamber. | 09-09-2010 |
20100238243 | FILTER FOR INK SUPPLY SYSTEM - An ink supply system for an ink jet printer has an ink circuit including a plurality of circuit components and fluid paths for conveying ink between components. A manifold defining the fluid paths and a plurality of ports in fluid communication with the paths. A filter module is provided adjacent to the manifold and comprises a housing that houses at least a first filter, the housing having an inlet and an outlet. The filter module is connected to the manifold such that at least one of the inlet or the outlet is in fluid communication with one of the plurality of ports on the manifold. The filter module may comprise an ink filter and a solvent filter. A second ink filter may be provided upstream of a pump. The modular nature of the filter makes for easy assembly, service and repair. It also provides for improved printer reliability. | 09-23-2010 |
20100245507 | METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE HEAD - In a method of manufacturing a liquid discharge head, the liquid discharge head has a flow-path unit having a liquid flow path, and a piezoelectric actuator unit. The liquid flow path has discharge openings and corresponding pressure chambers. The actuator unit has actuators which apply pressure to liquid in the pressure chambers. The method includes positioning the actuator unit to oppose the surface of the flow-path unit while extending on the plurality of pressure chambers, forming a particular film that is impermeable to the liquid on a supporting member. The particular film is secured to the surface of the flow-path unit by placing the supporting member on the flow-path unit, and aligning the supporting member such that a surface of the particular film opposes the surface of the flow-path unit while the openings of the plurality of pressure chambers are covered. | 09-30-2010 |
20100253755 | PIGMENT DISPERSION, INK COMPOSITION, INKSET, AND RECORDING DEVICE - A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 μm, and the condition R50/Z>5 is satisfied. | 10-07-2010 |
20100271448 | REDUCING DAMAGING EFFECTS OF DISSOLUTION WITHIN INK-JET ARCHITECTURE - The present invention is drawn to systems and methods for suppressing damaging effects from dissolution of silica present in an ink-jet printhead which contains high pH, pigmented ink. The systems and methods suppress the damaging effects of dissolution of silica by the action of a basic ink by adding a metal ion to the ink composition which forms a complex with the silica. The metal ion passivates the silica thus retarding the dissolution of silica thereby reducing promotion of ink kogation, silicate ring formation, and silicate deposit on ink-jet printhead resistors which effectively improves durability and shelf life of the ink-jet printhead. | 10-28-2010 |
20100277559 | PRINTER WITH HIGH FLOWRATE INK FILTER - An inkjet printer that has a filter with a chamber divided into an upstream section and a downstream section by a filter membrane. An inlet conduit establishes fluid communication between an ink supply and the upstream section. An outlet conduit establishes fluid communication between the downstream section and a printhead. During use at least part of the inlet conduit is elevated relative to the filter membrane. By elevating the inlet conduit relative to the filter membrane, it acts as a bubble trap to retain bubbles that would otherwise obstruct the filter. This allows the filter size to be reduced for a more compact overall design. | 11-04-2010 |
20100315473 | Filter and Ink-Jet Recording Apparatus Having the Same - A filter, the alignment of which does not need to be adjusted, and an ink-jet recording apparatus having such a filter are provided, the ink-jet recording apparatus capable of avoiding leakage of residual liquids in filter exchange operation. The filter of the present invention includes an upper capsule member, a lower capsule member, and a filter medium. The upper capsule member has a central connecting port and a peripheral connecting port, and also has a pipe section that extends, within the capsule, from the peripheral connecting port to the vicinity of the bottom surface (the deepest section) of the lower capsule member. A liquid supplied from the peripheral connecting port via the pipe section is filtered through the filter medium, and the filtered liquid is output from the central connecting port. | 12-16-2010 |
20100328409 | LIQUID EJECTION HEAD, LIQUID-DROPLET EJECTION DEVICE, AND IMAGE FORMING APPARATUS - A liquid ejection head includes nozzles, separate chambers, a common chamber, inlet portions, a filter unit, and ribs. Droplets of liquid are ejected from the nozzles. The separate chambers are communicated with the nozzles. The inlet portions are communicated with the corresponding separate chambers. Liquid is supplied from the common chamber to the separate chambers through the inlet portions. The filter unit is disposed between the inlet portions and the common chamber to filter liquid in an area across the separate chambers in a first direction in which the nozzles are arrayed. The ribs are disposed in the filter unit at intervals corresponding in size to at least two of the separate chambers in the first direction to partition the filter unit. The inlet portions are communicated in the first direction with each other in at least one portion of each of the inlet portions facing the filter unit. | 12-30-2010 |
20110050821 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a head body that has a nozzle opening for ejecting liquid supplied via a liquid supply path. A first supply member for the liquid supply path has an introduction port for introducing the liquid. A second supply member is positioned on a downstream side of the first supply member. A filter between the first and second supply members crosses the liquid supply path. An integrated molding portion fixes the first and second supply members by resin in a state where the filter is pinched between the first and second supply members. The first and second supply members have pinching portions for pinching the filter therebetween. A wall surface is positioned on one of the first and second supply members and between the filter and the resin to surround an outer periphery of the filter. | 03-03-2011 |
20110080457 | INKJET PRINTER AND FILTER FOR AN INKJET PRINTER - An inkjet printer is provided having a filter that is replaceable efficiently and quickly and capable of reducing the possibility of contamination of an operator's hands and ambient surroundings. The filter includes a pipe connecting port which is connected in a channel through which ink or solvent flows and communicates with a primary side and a secondary side of an element of the filter. A channel block is provided with a housing cavity. A filter case is accommodated in the housing cavity and holds the filter element. The filter case is not connected with a pipe to the channel block. The filter case is detachable from the channel block, and a securing unit secures the filter case to the channel block. | 04-07-2011 |
20110134198 | PRINTER HAVING SELECTIVELY ISOLATABLE PUMP - A printer is provided having a printhead for printing fluid onto media, a reservoir for supplying fluid to the printhead, a pump for drawing fluid from the reservoir and pumping the drawn fluid into the printhead, and a valve arrangement for selectively opening fluid communication between the pump, reservoir and printhead such that the pump is not in fluid communication with the reservoir whenever the pump is in fluid communication with the printhead. | 06-09-2011 |
20110193920 | LIQUID EJECTING APPARATUS, AND NOZZLE RECOVERY METHOD USED IN LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a recording head that ejects an ink from a plurality of nozzles, a liquid supply passage and a reservoir that supply the ink from an upstream side toward a downstream side, a maintenance pump that is able to suck and discharge the ink from and to the liquid supply passage, a filter that clarify the ink in the reservoir, and a control unit that performs a recovery process of the nozzles by controlling an operation of the pump, wherein the control unit causes the maintenance pump to perform a sucking operation to suck the ink, and then causes the pump to perform a discharging operation to discharge the ink, thereby supplying the ink clarified by the filter to the nozzle side. | 08-11-2011 |
20110199444 | LIQUID EJECTING HEAD - A liquid ejecting head having a liquid-flow space through which a liquid flows from a liquid supply source toward liquid-drop ejecting nozzles, a generally planar partition portion extending in a direction intersecting a vertical direction and partially defining the liquid-flow space, and further partially defining first and second chambers such that the two chambers are arranged in a horizontal direction on respective opposite sides of the partition wall, the first and second chambers having a larger dimension in the vertical direction than in the horizontal direction, in cross section taken in a plane parallel to the vertical direction and a direction of arrangement of the two chambers, and a planar filter fixed to the partition portion so as to extend in a direction intersecting the horizontal direction, along a surface of the partition portion and configured to capture foreign matters contained in the liquid in at least one of the two chambers. | 08-18-2011 |
20110199445 | LIQUID EJECTING HEAD - A liquid ejecting head having a forward passage system extending from a liquid inlet opening to liquid-droplet ejecting nozzles, a first filter and a second filter disposed in series with each other in the forward passage system to capture foreign matters in the liquid, such that the first filter is located upstream of the second filer as seen in a direction of flow of the liquid through the forward passage system, a first return passage system extending from one of opposite surfaces of the first filter which is on an upstream side as seen in the direction of flow of the liquid, to a first liquid outlet opening different from the inlet opening, and a second return passage system extending from one of opposite surfaces of the second filter which is on an upstream side as seen in the direction of flow of the liquid, to a second liquid outlet opening different from the first outlet opening. | 08-18-2011 |
20110205319 | PRINTHEAD INCLUDING PORT AFTER FILTER - A printhead includes a liquid source, a first substrate, a filter, and a liquid chamber. Portions of the first substrate define a nozzle adapted to emit liquid from the liquid source. The liquid chamber includes a port. The liquid chamber is in fluid communication with the nozzle and the filter and is positioned between the first substrate and the filter. | 08-25-2011 |
20110211029 | LIQUID EJECTING APPARATUS - A liquid storage unit for collecting a liquid supplied to an ejecting head is provided. The liquid is supplied to a plurality of ejecting heads via a pressure regulating valve, and the liquid is suctioned from the plurality of ejecting heads by a circulation pump, and then is discharged to the liquid storage unit. In this way, since the liquid is suctioned from each of the ejecting heads, the passage resistance is decreased, so that the ink can be appropriately circulated. In addition, since the ejecting head is supplied with the liquid at an appropriate pressure from the liquid storage unit via the pressure adjusting valve, the liquid can be appropriately ejected. | 09-01-2011 |
20110221838 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - There is disclosed a liquid ejecting head having a configuration in which a cross-sectional area of an intermediate passage is smaller than that of an upstream passage and a downstream passage to cause a flow speed of ink to be faster in the intermediate passage when the ink flows toward the downstream passage via the intermediate passage without passing through a filter, thereby making it possible to flow air bubbles staying on a face of the filter together with the ink. | 09-15-2011 |
20110228021 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes: a head body which ejects a liquid supplied from a liquid storing member via a liquid supply path; a first supply member which is provided with a first liquid supply path forming a part of the liquid supply path; a second supply member which is provided with a second liquid supply path communicating with the first liquid supply path and forming a part of the liquid supply path, and which supplies the liquid to the head body; and a filter which is sandwiched between the first and second liquid supply paths, wherein a sandwiching portion including the first and second supply members and sandwiching the filter includes an inclination portion that is inclined to the downstream side so as to face the outside of the liquid supply path. A liquid ejecting apparatus includes the liquid ejecting head. | 09-22-2011 |
20110228022 | FLUID INTERCONNECT FOR FLUID EJECTION SYSTEM - A fluid interconnect for a fluid ejection system includes a fluid port having a fluid passage formed therethrough, and a filter provided at an end of the fluid port such that fluid passing through the fluid port passes through the filter to the fluid passage, wherein the filter is secured to an end surface and a peripheral surface of the fluid port. | 09-22-2011 |
20110242239 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a liquid supply member including a flow channel formation member in which flow channel groove portions having different lengths is formed each, a flexible member that seals an opening of each of the flow channel groove portions to form a liquid flow channel, a pressure reception portion formation plate that has an opening formed for each of the liquid flow channels, each of the openings overlapping the corresponding liquid flow channel formed, and valves each urged by a coil spring to close the corresponding liquid flow channel, the valve opening the channel against an urging force of the spring due to the positional change of a pressure reception portion as pressure inside the liquid flow channel changes, wherein the openings of the pressure reception portion formation plate have a uniform shape. | 10-06-2011 |
20110261123 | PRINTHEAD INCLUDING PARTICULATE TOLERANT FILTER - A printhead includes a nozzle plate, a filter, and a plurality of walls. Portions of the nozzle plate define a plurality of nozzles. The filter, for example, a filter membrane, includes a plurality of pores grouped in a plurality of pore clusters. Each of the plurality of walls extends from the nozzle plate to the filter membrane to define a plurality of liquid chambers positioned between the nozzle plate and the filter membrane. Each liquid chamber of the plurality of liquid chambers is in fluid communication with a respective one of the plurality of nozzles. Each liquid chamber of the plurality of liquid chambers is in fluid communication with the plurality of pores of a respective one of the plurality of pore clusters. The respective one of the plurality of pore clusters includes two pore sub-clusters spaced apart from each other by a non-porous portion of the filter membrane. | 10-27-2011 |
20110261124 | PRINTHEAD INCLUDING FILTER ASSOCIATED WITH EACH NOZZLE - A printhead includes a nozzle plate, a filter, and a plurality of walls. Portions of the nozzle plate define a plurality of nozzles. The filter, for example, a filter membrane, includes a plurality of pores grouped in a plurality of pore clusters. Each of the plurality of walls extends from the nozzle plate to the filter membrane to define a plurality of liquid chambers positioned between the nozzle plate and the filter membrane. Each liquid chamber of the plurality of liquid chambers is in fluid communication with a respective one of the plurality of nozzles. Each liquid chamber of the plurality of liquid chambers is in fluid communication with the plurality of pores of a respective one of the plurality of pore clusters. | 10-27-2011 |
20110261125 | CONTINUOUS PRINTHEAD INCLUDING POLYMERIC FILTER - A printhead includes a substrate, a filter membrane structure, and a liquid source. A first portion of the substrate defines a plurality of nozzles. A second portion of the substrate defines a plurality of liquid chambers. Each liquid chamber of the plurality of liquid chambers is in fluid communication with a respective one of the plurality of nozzles. The filter membrane structure is in contact with the second portion of the substrate. Each liquid chamber of the plurality of liquid chambers is in fluid communication with a distinct portion of the filter membrane structure. The filter membrane structure includes a polymeric material layer. The liquid source provides liquid under pressure through the filter membrane structure. The pressure is sufficient to jet an individual stream of the liquid through each nozzle of the plurality of nozzles after the liquid flows through the filter membrane structure. | 10-27-2011 |
20110261126 | PRINTHEAD INCLUDING POLYMERIC FILTER - A printhead includes a substrate and a filter membrane structure in contact with the substrate. A first portion of the substrate defines a plurality of nozzles. A second portion of the substrate defines a plurality of liquid chambers. Each liquid chamber is in fluid communication with a nozzle. The filter membrane structure includes a polymeric material layer and a plurality of pores. The plurality of pores are positioned to filter liquid provided to the plurality of liquid chambers. | 10-27-2011 |
20110279606 | LIQUID EJECTING UNIT AND LIQUID EJECTING APPARATUS - The invention provides a liquid ejecting unit and a liquid ejecting apparatus that can prevent the film of the damper flow passage member from wrinkling. In a surface of a damper flow passage member covered with a film, a communication passage, a first filter chamber in which a first filter is disposed, and an empty chamber disposed between a pressure chamber and the communication passage are provided. The film is attached to a surface of each of the pressure chamber, the empty chamber, and the communication passage so as to cover a first flow passage and a second flow passage with the empty chamber therebetween. In a region of the film facing the empty chamber, a weak portion is formed that permits the stretching of the film. | 11-17-2011 |
20110279607 | LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, AND LIQUID FILLING METHOD - A liquid discharge member includes discharge ports, and a first opening and a second opening that communicate with the discharge ports. A liquid supply member includes a first filter disposed in a gravitational direction and in a disposed direction, a first containing chamber containing the first filter, a second containing chamber containing the second filter, a first flow path connecting the first opening and the first containing chamber, and a second flow path connecting the second opening and the second containing chamber. The second filter and the first and the second flow path are disposed in an area between a surface perpendicular to the disposed direction and parallel to the gravitational direction and going through one end of the length of the first filter and a surface parallel to the first surface and going through the other end of the length of the first filter in the disposed direction. | 11-17-2011 |
20110279608 | FLUID CONTAINER WITH INTERNAL FILTRATION - A fluid container having a body for containing fluid, a fluid outlet on a first wall of the body at which the contained fluid exits the body and a filter arranged within the body adjoining the first wall so that the contained fluid passes through the filter before exiting the outlet, wherein the filter is inclined relative to the first wall so that filtered fluid is contained in the body between the filter and the outlet. | 11-17-2011 |
20110279609 | FLUID DISTRIBUTION SYSTEM HAVING FILTERED INK CONTAINER - A system for distributing filtered ink to an inkjet printhead, the system having an ink container having a body for containing the ink, am ink outlet on a first wall of the body at which the contained ink exits the body, and a filter arranged within the body adjoining the first wall so that the contained ink passes through the filter before exiting the outlet, an inkjet printhead having an ink inlet and an ink line connecting the outlet of the container to the inlet of the printhead, wherein the filter is inclined relative to the first wall so that filtered ink is contained in the body between the filter and the outlet which is distributed to the printhead. | 11-17-2011 |
20110279610 | Fluid Container with Air Lock Prevention - A fluid container having a body for containing fluid, a fluid outlet on a first wall of the body at which the contained fluid exits the body and a filter arranged within the body substantially parallel to, and spaced from, a second wall of the body wherein the second wall adjoins the first wall with the outlet in the space between the filter and the second wall so that the contained fluid passes through the filter before exiting the outlet and the second wall declines from the adjoined first wall when the container is disposed with the filter above the second wall. | 11-17-2011 |
20110292140 | INK SEPARATORS - Ink separators are described herein. One example ink separator is described, which includes an ink receptacle to receive ink aerosol particles, a surface within the ink receptacle to change a direction of an airflow entraining the ink aerosol particles and cause at least a portion of the ink aerosol particles to combine to form ink droplets on the surface, and a chamber adjacent the surface to receive the airflow including the ink droplets and at least some of the ink aerosol particles, wherein the chamber includes at least two flow paths to separate the airflow and the ink aerosol particles from the ink droplets by directing the airflow and the ink aerosol particles to an aerosol collection port and the ink droplets to an ink droplet collection port. | 12-01-2011 |
20110304678 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a liquid ejecting head that ejects liquid through nozzles, a liquid accommodating portion which accommodates the liquid to be supplied to the liquid ejecting head, and a filter chamber which is arranged in a liquid supply path between the liquid ejecting head and the liquid accommodating portion and includes a filter. In the liquid ejecting apparatus, the filter is rotatable in the filter chamber between a first state in which the liquid passes through the filter and a second state in which the liquid flows along the filter. | 12-15-2011 |
20120026262 | LIQUID EJECTION HEAD AND RECORDING APPARATUS HAVING THE SAME - A liquid ejection head includes: an ejection port; a supply section and a discharge section; a main flow channel; a supply flow channel; a filter; and a sub flow channel, one end of which is connected to a first connection position near the supply section, and the other end of which is connected to a second connection position near the discharge section, wherein the main flow channel and the sub flow channel are formed such that, in supplying the liquid from the supply section to the main flow channel at a predetermined flow rate, the higher the predetermined flow rate is, the more the ratio of a flow rate in the main flow channel from the first connection position to the second connection position to a flow rate in the sub flow channel increases. | 02-02-2012 |
20120038721 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus in which a pressure adjustment unit having a pressure adjustment valve is provided between a filter chamber that houses a filter and a recording head having nozzles through which ink is ejected, the opening size of filter hole is set to ½ of a minimum inner diameter Da of the nozzle of the recording head or lower, and a pressure for pumping ink with an air pump is adjusted to a value that permits air bubbles in the upstream side space to pass through the filter. | 02-16-2012 |
20120113198 | LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME - A liquid ejection head is provided which includes: an ejection element substrate having an energy generating element, an ejection orifice for ejecting a liquid, and a liquid supply port communicatively connected to the ejection orifice; and a support member supporting the ejection element substrate and having a liquid guide path for supplying the liquid to the liquid supply port. The support member is formed by baking a laminate including at least one guide path plate having a through-hole for constituting a part of the liquid guide path, a filter plate having an opening for disposing a filter member for filtering the liquid, and a filter member disposed in the opening. | 05-10-2012 |
20120140005 | INKJET PRINTING METHODS AND INKJET INK SETS - An inkjet printing method including, in order, the steps of: a) providing at least two or more color inkjet inks of the same color and color density but having a different composition to an inkjet printer; b) mixing the two or more color inkjet inks in a controlled amount; and c) printing the mixture of the two or more color inkjet inks with the inkjet printer onto an ink-receiver. An inkjet printer and an inkjet ink set include two or more color inkjet inks of the same color and color density but having a different composition. | 06-07-2012 |
20120262522 | MULTI-PLANE FILTER LAMINATE TO INCREASE FILTRATION SURFACE AREA - A printhead including a jetstack configured to include a multi-plane filter laminate. The multi-plane filter laminate includes a first rock screen subassembly and a second rock screen subassembly. Each subassembly is configured to include an upstream pocket layer, a downstream pocket layer aligned with the upstream pocket layer, and a rock screen plate sandwiched between the upstream and downstream pocket layers, the rock screen plate configured with through holes over an entire exposed surface area thereof. A portion of the rock screen plate of the first subassembly is configured to overlay the rock screen plate of the second subassembly. | 10-18-2012 |
20120262523 | INK TANK SYSTEM - An ink tank device includes an ink tank that includes a tank stirrer for agitating a fluid contained in the ink tank. Ink may be removed from the ink tank via a tank port of the device. A chamber is located above the ink tank when the device is installed in a printing system. The chamber includes a chamber stirrer for agitating a fluid contained in the chamber. The chamber is connected to a chamber inlet port such that the chamber may receive ink via the chamber inlet port, and to a chamber outlet port such that ink may be removed from the chamber via the chamber outlet port. | 10-18-2012 |
20130021419 | INK-JET RECORDING APPARATUS - An ink-jet recording apparatus including a recording head for ejecting an ink, an auxiliary reservoir having an upstream chamber and a downstream chamber both open to the atmosphere and configured to store the ink, a first supply passage for supplying the ink from the downstream chamber of the auxiliary reservoir to the recording head, a return passage for returning the ink from the recording head to the upstream chamber of the auxiliary reservoir, and a partition portion which divides an internal space of the auxiliary reservoir into the upstream and downstream chambers and which has a filter section at least partially contacting the ink in the upstream and downstream chambers. | 01-24-2013 |
20130027484 | INKJET RECORDING APPARATUS - An aspect of the present invention provides an inkjet recording apparatus, including: an image recording section which records an image on a front surface of a cut sheet recording medium by an inkjet method using an aqueous ink; a chain gripper which receives the recording medium, on the front surface of which an image has been recorded, from the image recording section, and conveys the recording medium by gripping a leading end of the received recording medium; and a drying processing section which carries out a drying process on the recording medium conveyed by the chain gripper. | 01-31-2013 |
20130044166 | PRINTING SYSTEM INCLUDING FILTER WITH UNIFORM PORES - A printing system includes a filter, a printhead including nozzles through which liquid is emitted, and a liquid supply system in liquid communication with the printhead through the filter. The filter, an electroformed metal structure, includes a plurality of first recesses, a plurality of second recesses, a plurality of first pores, and a plurality of second pores. Each of the plurality of first recesses includes a first recess diameter and a first recess center-to-center spacing relative to each other. Each of the plurality of second recesses includes a second recess diameter and a second recess center-to-center spacing relative to each other. Each of the plurality of first pores is in fluid communication with a corresponding one of the plurality of first recesses and each of the plurality of second pores is in fluid communication with a corresponding one of the plurality of second recesses. In the filter, the first recess diameter is not equal to the second recess diameter and the first recess center-to-center spacing is not equal to the second recess center-to-center spacing. | 02-21-2013 |
20130057624 | AUTOMATIC CLEANING IN A LIQUID INK PRINTING SYSTEM - A system for automatic cleaning in a liquid ink printing system includes an ink tank, a pump which is configured pump a carrier liquid from the ink tank as a pressurized carrier liquid flow. A filter is configured to remove particulates from the pressurized carrier liquid flow to produce a filtered carrier liquid flow. A sprayer is configured to receive the filtered carrier liquid flow and spray the filtered carrier liquid flow into an interior of the ink tank. The pump recirculates the filtered carrier liquid flow through the filter and the sprayer. A method for automatic cleaning in a printing system is also included. | 03-07-2013 |
20130076841 | Liquid Supply Method - A liquid supply method of a liquid ejecting apparatus including a tank having a liquid capacity greater than a storage amount of the liquid which is stored in a liquid storage unit, and a liquid ejection unit that ejects the liquid supplied from the tank side includes the steps of: firstly supplying all the liquid in the liquid storage unit to the tank; agitating the liquid accommodated in the tank; and secondly supplying the liquid in the tank to the liquid ejection unit. | 03-28-2013 |
20130147887 | LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS - A liquid discharge head includes a nozzle that discharges liquid droplets, a common liquid chamber that supplies liquid to an individual liquid chamber that is in communication with the nozzle, and a filter plate that is arranged in a liquid flow path of the common liquid chamber. The filter plate includes a filter part that filters the liquid and a damper part that reduces a pressure variation in the common liquid chamber, and the filter part is arranged to be thicker than the damper part. | 06-13-2013 |
20130155159 | LIQUID DROPLET EJECTION HEAD, IMAGE FORMING APPARATUS, AND MANUFACTURING METHOD OF LIQUID DROPLET EJECTION HEAD - A liquid droplet ejection head includes plural nozzles; plural individual liquid chambers; a common liquid chamber supplying liquid to the plural individual liquid chambers; a filter sheet member including plural pores formed therein to filter the liquid; and a frame body including an opening part and being in connection with the filter sheet member with adhesive. Further, a size of a region where the plural pores are formed is greater than the opening part of the frame body; an adhesive accumulation area is formed on an inner peripheral end of the opening part; and a size of the adhesive accumulation area in a protruding direction of the adhesive is greater than a size of an area between adjacent pores in the filter sheet member. | 06-20-2013 |
20130162737 | POLYMER INTERNAL CONTAMINATION FILTER FOR INK JET PRINTHEAD - A printhead for printing ink includes a particulate filter manufactured from a polymer sheet such as a polyimide sheet. Filter openings within the particulate filter can be formed using a mask and a laser beam to ablate exposed portions of the polymer sheet. Embodiments of the present teachings can result in the formation smaller filter openings at a smaller pitch within the polymer sheet than, for example, stainless steel particulate filters, and thus more openings which cover a larger percentage of the filter surface for a given filter size, which can result in a reduction of fluid pressure within the printhead. Thus smaller filter openings for improved filtering of smaller particulates can be formed while maintaining a sufficient ink flow at a sufficiently low pressure within the printhead during operation. | 06-27-2013 |
20130242012 | LIQUID-JET HEAD AND IMAGE FORMING APPARATUS - A liquid-jet head includes nozzles ejecting liquid drops, individual liquid chambers in communication with the corresponding nozzles, a common liquid chamber supplying the liquid to the individual liquid chambers, and a filter member filtering the liquid inside the common liquid chamber. The filter member includes a thin layer having pores and a thick layer on a circumferential part of the thin layer, the thick layer being bonded to the first common liquid chamber member; the thin layer includes a first surface having the thick layer and a second surface opposite to the first surface, a circumferential part of the second surface being bonded to the second common liquid chamber member with an adhesive; and part of or all the pores in the circumferential part of the second surface are exposed in a direction toward the thick layer, and the adhesive overflows into the pores. | 09-19-2013 |
20130293642 | Systems And Methods For Delivering And Recirculating Fluids - Among other things, a device for use in printing is described. The device comprises a first chamber for receiving a liquid and a first filter member in the first chamber. The first filter member separates the first chamber into a first part and a second part laterally adjacent to the first part. The first filter member comprises pores having an average size. The pores are configured to filter the liquid passing from the first part to the second part. The first filter member further comprises an opening adjacent to a top of the first chamber for air to pass from the first part to the second part. The opening has a size at least 10 times larger than the average size of the pores. There is a first inlet in fluid communication with the first part and a first outlet in fluid communication with the second part. | 11-07-2013 |
20130307910 | Filter and Ink-Jet Recording Apparatus Having the Same - A filter, the alignment of which does not need to be adjusted, and an ink jetrecording apparatus having such a filter are provided, the ink jetrecording apparatus capable of avoiding leakage of residual liquids in filter exchange operation. The filter of the present invention includes an upper capsule member, a lower capsule member, and a filter medium. The upper capsule member has a central connecting port and a peripheral connecting port, and also has a pipe section that extends, within the capsule, from the peripheral connecting port to the vicinity of the bottom surface (the deepest section) of the lower capsule member. A liquid supplied from the peripheral connecting port via the pipe section is filtered through the filter medium, and the filtered liquid is output from the central connecting port. | 11-21-2013 |
20130307911 | LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS - A liquid discharge head includes nozzles that discharge liquid droplets, individual channels in communication with the nozzles, a liquid introducing part in communication with the individual channels, a common liquid chamber that supplies liquid to the individual channels, and a filter part arranged between the common liquid chamber and the liquid introducing part. The filter part has filter holes for filtering the liquid over a range of the individual channels in a nozzle array direction. The filter part has at least one reinforcement rib arranged in the nozzle array direction. The reinforcement rib is partially arranged over the range of the individual channels in a direction perpendicular to the nozzle array direction. Filter regions divided by the reinforcement rib are arranged to be in communication via a communication region where the reinforcement rib is not arranged, and the filter holes are arranged at the communication region. | 11-21-2013 |
20140022320 | MULTIPLE LAYER FILTER - A structure and method including a filter assembly, wherein the structure can be an ink jet printhead including the filter assembly. The filter assembly can include a first filter layer having a plurality of pores therein, wherein the pores have a first pitch, and a second filter layer having a plurality of pores therein, wherein the pores in the second filter layer have a second pitch which is different than the first pitch. The structure can include a fluid path through the filter assembly. An area of overlap of the pores in the first filter layer with the pores in the second filter layer, in a vertical direction perpendicular to a plane of the filter assembly, can include a periodicity. | 01-23-2014 |
20140043415 | Liquid Supply Method - A liquid ejecting apparatus comprising a liquid storage unit that stores a liquid; a tank having a liquid capacity greater than that of the liquid storage unit; a liquid supply unit supplying the liquid in the liquid storage unit to the tank; an agitation device that agitates the liquid accommodated in the tank; and a liquid ejection unit that ejects the liquid from the tank. | 02-13-2014 |
20140071215 | LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS - A liquid discharge head includes nozzles configured to discharge liquid droplets; individual flow paths to which the nozzles are connected; a liquid injection unit connected to the individual flow paths; a common liquid room configured to supply liquid to the individual flow paths; and a filter unit configured to filter the liquid. The filter unit is provided between the common liquid room and the liquid injection unit. The filter unit includes a reinforcement area for dividing the filter unit into filter areas each corresponding to two or more of the individual flow paths. A partition wall is provided corresponding to the reinforcement area of the filter unit, on the liquid injection unit side. A width in a nozzle arrangement direction of the partition wall is wider than a width in the nozzle arrangement direction of the reinforcement area. | 03-13-2014 |
20140125745 | DAMPER APPARATUS AND INK JET PRINTER - A sub tank configured to supply ink supplied from a main tank to a print head while suppressing a pressure fluctuation is formed with an ink storage chamber in which the ink is stored, and includes a filter configured to allow passage of the ink while suppressing passage of the fine particles when the fine particles of the ink are precipitated, an ink introducing portion configured to introduce the ink supplied from the outside into the ink storage chamber, and an ink discharging portion configured to discharge the ink in the ink storage chamber to the outside. The filter divides the ink storage chamber into an introducing-side storage chamber communicating with the ink introducing portion, and a discharging-side storage chamber communicating with the ink discharging portion, and the discharging-side storage chamber is arranged on an upper side of the introducing-side storage chamber in the perpendicular direction. | 05-08-2014 |
20140152747 | INKJET PRINT HEAD - There is provided an inkjet print head having a stable filter structure. The inkjet print head includes a vibration substrate including a first filter formed therein; and a channel forming substrate including a second filter and a pressure chamber formed therein, the second filter being connected to the first filter. | 06-05-2014 |
20140168328 | NON-SPHERICAL PARTICLE SEPARATOR FOR INK JET PRINTER - A device is disposed within an ink flow channel of an ink jet printer and is arranged to remove particles from ink. The device includes an alignment region that aligns non-spherical particles along their major dimension in the ink flow channel. A guiding region is arranged to direct the non-spherical particles towards a first streamline region of the ink flow channel and away from a second streamline region of the ink flow channel. During operation of the ink jet printer, particle-rich ink flows in the first streamline region and particle-free ink flows in the second streamline region. A splitting region arranged downstream from the guiding region splits the ink flow channel into first and second branches. The first channel branch is arranged to carry the particle-rich ink and the second channel branch is arranged to carry the particle-free ink. | 06-19-2014 |
20140218450 | LIQUID EJECTION HEAD AND IMAGE FORMING DEVICE - A liquid ejection head includes a plurality of nozzles to eject liquid drops; a plurality of individual liquid chambers communicating with the plurality of nozzles; a plurality of liquid inlet portions leading to the plurality of individual liquid chambers; a common liquid chamber to supply liquid to the plurality of individual liquid chambers; and a plurality of filter portions disposed between the common liquid chamber and the liquid inlet portions, each of the filter portions including filter holes and filtering the liquid, wherein a plurality of reinforcement parts are provided to partition the plurality of filter portions, each of the reinforcement parts includes a part facing some of the filter holes of a corresponding one of the plurality of filter portions in a liquid flow direction, with a gap between the filter holes and the reinforcement part. | 08-07-2014 |
20140240416 | SWAGED FILTER SANDWICH AND WEIR PLATE - A filter plate has an interior cavity, at least one filter contained in the interior cavity, a first port on a first side of the plate, at least one second port on a second side of the plate, forming a flow path with the first port through the filter, wherein the second port is positioned higher on the plate than the first port. A print head has an ink reservoir having an ink supply port connected to an ink supply, and a filter plate attached to the reservoir and positioned between the ink supply port and the ink reservoir, the filter plate including an interior cavity, at least one filter contained in the interior cavity, a first filter port on a first side of the filter plate in contact with the ink supply port, and at least one second filter port on a second side of the filter plate facing the ink reservoir, wherein the second port is positioned higher on the filter plate than the first port. | 08-28-2014 |
20140253648 | LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS - A liquid discharge head includes nozzles discharging liquid droplets; liquid chambers in communication with the nozzles; liquid supply paths in communication with the individual liquid chambers; and a common liquid chamber in communication with the liquid supply paths. Further, liquid is supplied from a direction from the common liquid chamber to the liquid supply paths, the direction crossing a direction of liquid flowing in the liquid supply paths, and in a wall surface of the common liquid chamber on a side closer to the individual liquid chambers, an inclined surface is formed in a direction orthogonal to a nozzle array direction in a manner that the common liquid chamber gradually expands as the common liquid chamber approaches the liquid supply paths. | 09-11-2014 |
20140253649 | Filter and Ink-Jet Recording Apparatus Having the Same - A filter, the alignment of which does not need to be adjusted, and an ink-jet recording apparatus having such a filter are provided, the ink-jet recording apparatus capable of avoiding leakage of residual liquids in filter exchange operation. The filter of the present invention includes an upper capsule member, a lower capsule member, and a filter medium. The upper capsule member has a central connecting port and a peripheral connecting port, and also has a pipe section that extends, within the capsule, from the peripheral connecting port to the vicinity of the bottom surface (the deepest section) of the lower capsule member. A liquid supplied from the peripheral connecting port via the pipe section is filtered through the filter medium, and the filtered liquid is output from the central connecting port. | 09-11-2014 |
20140292965 | PRINTING APPARATUS AND INK CONTAINER - A printing apparatus includes an ink container tray which is capable of holding an ink container, a guide portion which guides the ink container tray in a movable manner between an ink container mounting position when mounting the ink container onto the ink container tray and an ink supply position, and a locking mechanism which, when moving the ink container tray, which is positioned further at the ink container mounting position side than a predetermined position between the ink supply position and the ink container mounting position, further to the ink supply position side than the predetermined position, stops the ink container tray from moving further to the ink supply position side than the predetermined position. | 10-02-2014 |
20140354741 | FLUID DISPENSER - A fluid dispenser is disclosed herein. An example of such a fluid dispenser includes a housing configured to store a quantity of fluid and an ejection assembly configured to controllably emit the fluid through a nozzle. The fluid dispenser also includes a fluid chamber configured both to supply a quantity of the fluid to the ejection assembly and to define a fluid flow path between the housing and the ejection assembly. The fluid dispenser further includes a filter positioned in the fluid flow path and configured both to conduct the fluid from the housing to the fluid chamber and to restrain particles in the fluid from entering the fluid chamber. The filter is further configured to define a bubble flow path that facilitates conduction of bubbles from the fluid chamber to the housing. Additional features of this fluid dispenser are disclosed herein, as are other examples of fluid dispensers. | 12-04-2014 |
20150015646 | LIQUID EJECTION HEAD AND IMAGE FORMING APPARATUS - A liquid ejection head includes nozzles ejecting liquid droplets; individual liquid chambers in communication with the nozzles; liquid supply paths in communication with the individual liquid chambers; a common liquid chamber storing liquid to be supplied to the liquid supply paths; filter members disposed between the common liquid chamber and the respective liquid supply paths, the filter members including filter regions to filter the liquid; and one or more dividing wall sections, each disposed between the liquid supply paths. | 01-15-2015 |
20150015647 | LIQUID EJECTING APPARATUS - Provided is a liquid ejecting apparatus that includes a liquid ejecting head having nozzles through which liquid can be ejected, a liquid supply path through which the liquid is supplied to the liquid ejecting head, and a filter chamber which is disposed in the middle of the liquid supply path and of which an inner portion is divided into a first chamber on a downstream side and a second chamber on an upstream side by a filter which filters the liquid, in which a liquid outlet through which the liquid is introduced from the first chamber of the filter chamber to a downstream side of the liquid supply path is formed in an upper position of the first chamber in a vertical direction. | 01-15-2015 |
20150049148 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a head body configured to eject liquid, a flow path member including a liquid flow path for supplying the liquid to the head body, and a circuit substrate held by the flow path member and including a temperature detection unit configured to detect a temperature. The flow path member includes a detection region, which has a thermal resistance lower than a thermal resistance of other regions and which is provided in a part of a partition wall that partitions the liquid flow path. The circuit substrate is fixed to the flow path member in a state in which the temperature detection unit faces the detection region. | 02-19-2015 |
20150070449 | INK-JET RECORDING INK SET, RECORDING HEAD, INK-JET RECORDING APPARATUS, AND INK-JET RECORDING METHOD - An ink-jet recording ink set includes: an ink (I) containing a dye D1, a compound C1 represented by the following formula and having a U+V of S1, and water; and an ink (II) containing a dye D2, a compound C2 represented by the following formula and having a U+V of S2, and water in which in case that a surface tension γL1 (mN/m) of an evaluation liquid L1 obtained by adding, to a 5 mass % aqueous solution of the dye D1, a compound C3 in an amount corresponding to 1 mass % of the aqueous solution, and a surface tension γL2 (mN/m) of an evaluation liquid L2 obtained by adding, to a 5 mass % aqueous solution of the dye D2, the compound C3 in an amount corresponding to 1 mass % of the aqueous solution satisfy a relationship of γL1−γL2≧10 (mN/m), the S1 and the S2 satisfy a relationship of 2≦S2−S1≦7. | 03-12-2015 |
20150077487 | LIQUID CONTAINING VESSEL - A liquid containing vessel includes a liquid containing chamber configured to contain a liquid. The liquid containing chamber has a filter chamber with a filter through which the liquid is configured to pass, and a low pressure chamber having a pressure that is lower than atmospheric pressure. | 03-19-2015 |
20150085034 | INK COMPOSITION FOR INK JET RECORDING, INK SUPPLY SYSTEM, AND INK JET RECORDING APPARATUS - There is provided an ink composition which has excellent initial filling characteristics and continuous printing stability even in a case of an ink composition (for example, dissolved nitrogen is equal to or greater than 5 ppm) which is almost not deaerated or an ink composition (for example, dissolved nitrogen is equal to or greater than 7 ppm) which is not deaerated at all. | 03-26-2015 |
20150085035 | LIQUID HOUSING CONTAINER RECYCLING METHOD, AND LIQUID HOUSING CONTAINER - A liquid housing container recycling method is provided for a liquid housing container with a liquid housing body that includes a liquid housing unit that is configured to house liquid, a supply member with a supply port that is configured to be connected to a liquid supply tube of a liquid consuming device, and a filter through which the liquid is configured to pass, with the liquid inside the liquid housing unit being supplied to the liquid consuming device by, after passing through the filter, flowing to the supply port along a supply flow path of the supply member. The liquid housing container recycling method includes forming a detour flow path in the liquid housing body such that the liquid inside the liquid housing unit flows to the supply port without passing through the filter in the detour flow path, and injecting the liquid inside the liquid housing unit. | 03-26-2015 |
20150097902 | LIQUID HOUSING BODY RECYCLING METHOD, AND LIQUID HOUSING CONTAINER - A liquid housing body recycling method is provided for a liquid housing body that includes a liquid housing unit that is configured to house liquid, a supply member with a supply port that is configured to be connected to a liquid supply tube of a liquid consuming device, and a filter through which the liquid is configured to pass, with the liquid inside the liquid housing unit being supplied to the liquid consuming device via the supply port by passing through the filter. The liquid housing body recycling method includes forming an opening part on the liquid housing unit at a position outside an area facing opposite the filter on the liquid housing unit, injecting the liquid from the opening part of the liquid housing unit on which the opening part has been formed, and sealing the opening part. | 04-09-2015 |
20150109389 | TRAP CONFIGURED TO COLLECT INK PARTICLE CONTAMINANTS IN RESPONSE TO A CLEANING FLOW - An apparatus includes an inkjet manifold with at least one ink supply port coupled to an ink supply and at least one ink delivery port. A flow path is between the ink supply and ink delivery ports, and the flow path includes a trap configured to collect particle contaminants in response to a pulsed cleaning flow and hold the particle contaminants during an operational flow. | 04-23-2015 |
20150138285 | INK SUPPLY SYSTEM - An ink supply system for an ink jet printer, particularly a continuous ink jet printer, has a manifold assembly of two parts that are brought together at interfacing surfaces. At least one of the surfaces has a plurality of ink flow channels for conveying ink around an ink circuit between components. The other of the interfacing surfaces is configured to close and seal the channels. A plurality of ports is provided in fluid communication with the channels, the circuit components being connectable to the ports. The manifold assembly provides for a compact and neat arrangement free of many tubes and pipes. The lower number of connections significantly reduces the risk of leakage. | 05-21-2015 |
20150145934 | LIQUID STORAGE CONTAINER - A liquid storage container, including: a housing; a liquid absorbing member configured to absorb and hold a liquid disposed inside the housing; a filter disposed at a position facing a first surface of the liquid absorbing member; and a liquid ejection substrate disposed at a position facing a surface of the filter opposite to a surface of the filter facing the liquid absorbing member, wherein the liquid absorbing member includes a through hole tubularly penetrating the liquid absorbing member from the first surface to a second surface which is a surface opposite to the first surface, and an opening of the through hole on the first surface side opens at a position facing the filter. | 05-28-2015 |
20150336392 | PRINT HEAD WITH INK HANDLING UNIT - An ink jet print head with an integrated ink handling unit includes a heater and a filter for the ink. The ink handling unit has an inlet port for liquid ink and a circulation system connected to the inlet port and adapted to pass the liquid ink through the heater and to the filter. The circulation system includes a single, non-branched duct that passes continuously from the inlet port to the filter, and the duct of the circulation system passes in meander fashion through a heated block of the heater. | 11-26-2015 |
20150352855 | FLOW PATH MEMBER, LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - The invention is to provide a liquid ejecting head including a flow path member which allows a capacity of an air bubble chamber to be increased as much as possible and in which a filter is not clogged even when the variation of a liquid consumption amount is large, and a liquid ejecting apparatus including the flow path member. Alternatively, the invention is to provide a liquid ejecting head including a flow path member which allows a capacity of an air bubble chamber to be increased as much as possible while being miniaturized in a transporting direction and a liquid ejecting apparatus including the flow path member. | 12-10-2015 |
20160059576 | FLOW PATH MEMBER, INK JET HEAD, AND INK JET PRINTER - A flow path member includes a first space which is opened by a first liquid flow path, and into which liquid flows from the first liquid flow path; a second space which is opened by a second liquid flow path on a bottom surface at the opposite side to the first space, and out of which liquid flows from the second liquid flow path; a filter which filters liquid passing therethrough, and which is included between the first space and the second space; and a support which protrudes from the bottom surface of the second space toward the filter side, in which the support is a point-form projection. | 03-03-2016 |
20160082737 | LIQUID EJECTING APPARATUS AND LIQUID EJECTING METHOD - A liquid ejecting apparatus includes a transport unit that transports a medium; an ejecting portion that is provided to a mobile portion that is movable in a crossing direction intersecting a transport direction in which the medium is transported by the transport unit, and ejects liquid onto the medium transported by the transport unit; a first neutralizer that is provided to the mobile portion and neutralizes the liquid; and a second neutralizer that is provided to the mobile portion and neutralizes the medium. | 03-24-2016 |
20160107450 | AGITATING MEMBER FOR INK CARTRIDGE - A printhead assembly for an inkjet printer has a ink filter tower portion that contains filtered ink and includes multiple, substantially parallel extending elements. Settling of ink in an ink filter tower could clog the printhead nozzles and lessen the print quality. Therefore, in order to prevent the settling of the ink in the ink filter tower of the present design, a free-floating weighted slider is installed within the ink filter tower. The weighted slider has a top bridging member and downward-pointing shafts that are movable within trenches formed between the extending elements. During a reciprocating motion of the printhead assembly, the slider moves in a direction opposite to the direction of the printhead assembly and thereby agitates the ink within the tower. In addition to sliding from side to side of the printhead assembly, the slider may also be designed to pivot about an upper axis as it moves to further agitate the ink. | 04-21-2016 |
20160158670 | EXTERNAL-PERFUSION HOLLOW-FIBER MEMBRADE MODULE AND INKJET PRINTER HAVING SAID MODULE - The present invention relates to a external-perfusion hollow-fiber membrane module containing a hollow-fiber membrane bundle including a plurality of hollow-fiber membranes; and a casing that houses the hollow-fiber membrane bundle, wherein the hollow-fiber membrane bundle has one end that is fixed to an inside of the casing by a potting portion in an open state, and the external-perfusion hollow-fiber membrane module is configured to perform degassing on a gas contained in a liquid inside the casing, the gas being introduced into an inside from an outer surface of the hollow-fiber membrane. | 06-09-2016 |
20160167390 | LIQUID EJECTING APPARATUS | 06-16-2016 |
20160375696 | Unknown - The invention relates to a washing assistance device for the fluid circuit of an ink jet printer, including: a support ( | 12-29-2016 |
20190143702 | LIQUID CONTAINER | 05-16-2019 |
20220134769 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head configured to eject a liquid in a first direction includes: head units arranged side by side in a second direction orthogonal to the first direction and a flow channel member having a first supply flow channel through which the liquid is supplied to the head units, a first collection flow channel through which the liquid is collected from the head units, a first inlet portion through which the liquid is let into the first supply flow channel from the outside, and a first outlet portion through which the liquid is let out to the outside from the first collection flow channel. The first inlet portion and the first outlet portion are disposed near the center of the flow channel member in the second direction. | 05-05-2022 |