Patent application number | Description | Published |
20100045737 | EXTERNAL FLUID MANIFOLD WITH POLYMER COMPLIANT WALL - A fluid dispensing assembly having a fluid dispensing subassembly to deliver fluid to a substrate, an external manifold to supply fluid having a first wall arranged adjacent to the fluid dispensing subassembly, and a compliant wall attached to a second wall arranged opposite the first wall, the compliant wall to confine the fluid to chambers in the manifold and to provide compliance for acoustic attenuation. A fluid dispensing assembly having an external manifold having at least one opening in a back side opposite a fluid dispensing subassembly side, the fluid dispensing subassembly side being in contact with fluid, and a compliant wall adhered to the external manifold on the back side. A method of manufacturing a fluid dispensing assembly having forming an external manifold having openings to receive fluid, attaching a compliant wall to the external manifold such that the compliant wall seals the openings, and attaching the external manifold to a fluid dispensing subassembly wherein the fluid dispensing subassembly and manifold are on opposite sides of a transducer arranged to operate on the fluid in the manifolds. | 02-25-2010 |
20100245452 | Method And Apparatus For Melt Cessation To Limit Ink Flow And Ink Stick Deformation - A system controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a feed channel configured to direct solid ink sticks towards the melt plate to enable a leading edge of a solid ink stick to be melted by the heated melt plate, and a controller configured to separate the heater and the leading edge of the ink stick by a distance that arrest melting of the ink stick. | 09-30-2010 |
20100245506 | Method And Apparatus For Melt Cessation To Limit Ink Flow And Ink Stick Deformation - A system has been developed that controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a heat transfer unit configured to cool the melt plate to arrest the melting of the solid ink within a predetermined time, and a controller configured to actuate the heat transfer unit to selectively cool the melt plate in response to reaching a heater power off phase. | 09-30-2010 |
20100255277 | THERMAL INSULATING MULTIPLE LAYER BLANKET - A thermal insulating blanket is disclosed, comprising a plurality of film layers, at least two of which are separated by a conductive barrier, where the film layers are made of a film coated on at least one side with a heat reflective material and where the conductive barrier material is a network having solid portions and a plurality of open voids. In an embodiment, the conductive barrier is heat bonded between each film layer, forming a flexible, cuttable laminate. | 10-07-2010 |
20120092416 | Metalized Polyimide Aperture Plate And Method For Preparing Same - An aperture plate including a first layer having a first emissivity; a second layer having a second emissivity disposed over the first layer; wherein the first emissivity is higher than the second emissivity; and optionally, at least one additional layer disposed over the second layer. A method for preparing an aperture plate including providing a first layer having a first emissivity; disposing a second layer having a second emissivity over the first layer; wherein the first emissivity is higher than the second emissivity; optionally, disposing at least one additional layer over the second layer; and forming at least one aperture, wherein aperture formation can be before or after disposing the second layer over the first layer. An ink jet print head having an aperture plate including a first layer having a first emissivity; a second layer having a second emissivity disposed over the first layer; wherein the first emissivity is higher than the second emissivity; optionally, at least one additional layer disposed over the second layer; wherein one of the optional at least one additional layers disposed over the second layer is a coating layer for controlling surface tension. | 04-19-2012 |
20120098898 | METHOD AND SYSTEM FOR INK DELIVERY AND PURGED INK RECOVERY IN AN INKJET PRINTER - An inkjet printing apparatus is provided with a one-way valve to enable a single conduit to supply ink to an ink reservoir and withdraw purged ink from a receptacle into the ink reservoir. A bi-directional pump is operated in both directions in an alternating manner to withdraw ink from the receptacle when supplying the ink reservoir with ink. | 04-26-2012 |
20120200636 | WASTE INK RECLAMATION APPARATUS FOR LIQUID INK RECIRCULATION SYSTEM - An ink reclamation receptacle receives ink purged from an inkjet printing apparatus. Ink in the reclamation receptacle wets a porous membrane positioned in the reclamation receptacle, and flows into a flow channel. Negative pressure applied to a port that is placed in fluid communication with the flow channel withdraws ink from the flow channel for use in the inkjet printing apparatus, while ink wetting the pores in the membrane resists a flow of air into the flow channel. | 08-09-2012 |
20120218327 | Method And Apparatus For Melt Cessation To Limit Ink Flow And Ink Stick Deformation - A system controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a feed channel configured to direct solid ink sticks towards the melt plate to enable a leading edge of a solid ink stick to be melted by the heated melt plate, and a controller configured to separate the heater and the leading edge of the ink stick by a distance that arrest melting of the ink stick. | 08-30-2012 |
20120274706 | PATTERNED METALLIZATION ON POLYIMIDE APERTURE PLATE FOR LASER-ABLATED NOZZEL - An aperture plate for a print head of a printer can include a first layer having a first emissivity which is covered by a second layer having a second emissivity which is less than the first emissivity. In an embodiment, the second layer can be etched at nozzle locations to form openings in the second layer which have widths/areas greater than widths/areas of nozzles formed in the first layer. In another embodiment, the second layer can have a smaller thickness at the nozzle locations and a larger thickness away from the nozzle locations. Forming the openings in the second layer which are larger than the nozzles, or forming the second layer thinner at the nozzle locations prior to forming the nozzles, can provide a well-formed nozzle and an aperture plate having a low emissivity. | 11-01-2012 |
20130147878 | REDUCTION OF ARC-TRACKING IN CHIP ON FLEXIBLE CIRCUIT SUBSTRATES - A flexible circuit substrate has an integrated circuit mounted on the substrate, a first set of traces arranged to connect between a first voltage source and a first set of connectors on the integrated circuit, a second set of traces arranged to connect between a second voltage source and a second set of connectors on the integrated circuit, and a gap in the flexible circuit substrate between the first and second set of traces, the gap of sufficient width to stop an electrical arc-tracking between the first set of traces and the second set of traces. The substrate may have a second gap between the first gap and other traces. | 06-13-2013 |
20130215195 | WASTE INK RECLAMATION APPARATUS FOR LIQUID INK RECIRCULATION SYSTEM - An ink reclamation receptacle receives ink purged from an inkjet printing Apparatus. Ink in the reclamation receptacle wets a porous membrane positioned in the reclamation receptacle, and flows into a flow channel. Negative pressure applied to a port that is placed in fluid communication with the flow channel withdraws ink from the flow channel for use in the inkjet printing apparatus, while ink wetting the pores in the membrane resists a flow of air into the flow channel. | 08-22-2013 |
20130321540 | Ink Waste Tray Configured with One Way Filter - A system for recycling waste phase change ink in a phase change ink imaging device includes a waste ink collector positioned within a phase change ink imaging device to collect waste phase change ink produced by a printhead in the phase change ink imaging device. The waste ink collector includes a heater for heating the waste phase change ink in the collector to at least a phase change ink melting temperature. A waste phase change ink conveyor is configured to convey melted waste phase change ink from the waste ink collector to an ink reservoir for the printhead. | 12-05-2013 |
20130333208 | REDUCTION OF ARC-TRACKING IN CHIP ON FLEXIBLE CIRCUIT SUBSTRATES - A method of manufacturing a flexible circuit, including forming a first set of traces, forming a second set of traces, and cutting a gap between the first and second set of traces. | 12-19-2013 |
Patent application number | Description | Published |
20100201764 | Foam Plate for Reducing Foam in A Printhead - A reservoir assembly for use in an imaging device, the reservoir assembly includes an ink input port configured to receive liquid ink from an ink source and an ink tank configured to receive ink from the input port. A filter is positioned between the input port and the ink tank configured to filter ink received via the input port prior to reaching the ink tank. The reservoir assembly includes a foam reducing path configured to guide ink that passes through the filter to the ink tank, the foam reducing path having a varying cross-sectional size and/or shape configured to collapse, compress, stretch, and/or shear air bubbles in foam that passes through the filter prior to reaching the ink tank. | 08-12-2010 |
20110074863 | Vent For An Inkjet Printhead - An inkjet printhead has been developed that includes an ink reservoir vent, which prevents ink from exiting the ink reservoir through the vent. The inkjet printhead includes a reservoir, an ink inlet, a vent opening, and a vent member. The reservoir contains a supply of ink and an air space above the supply of ink. The vent member extends from the vent opening and includes a first vent member opening positioned in an air space outside of the reservoir, a second vent member opening positioned in the air space above the supply of ink, and a vent channel configured to couple fluidly the first vent member opening to the second vent member opening. The second vent member opening is positioned within the reservoir to enable the second vent member opening to remain within the air space above the supply of ink regardless of a printhead orientation. | 03-31-2011 |
20110169883 | Ink Storage Reservoir for a Solid Ink Printhead - A reservoir is provided for a printhead in an ink jet printing machine, the printhead having at least one printhead inlet at a rear face thereof for flow of ink from the reservoir into the printhead. The reservoir comprises a perimeter wall sealably mounted to the rear face of the printhead and defining a chamber in communication with the printhead inlet. The chamber is open at one face and the reservoir includes a resilient flexible membrane attached to the perimeter wall and covering the one face. An inlet is provided in communication with the chamber for passage of ink into the chamber. The resilient flexible membrane has an initial relaxed condition in a first state in which the reservoir is substantially full of ink, and a flexed condition in which the membrane is collapsed into the chamber. | 07-14-2011 |
20110205302 | PRINTHEAD JETSTACK ALIGNMENT AND ASSEMBLY VERIFICATION FEATURES - An apparatus has a first plate having a first array of holes, with a first plate alignment hole having a smaller size than the other holes in the array, a second plate having a second array of holes to be alignable to the first array of holes, a second plate alignment hole having a smaller size than the other holes in the array, and the first plate alignment hole and the second plate alignment hole having different positions. A method of aligning plates provides a first plate having a top and bottom and first array of holes including a first plate alignment hole having a size smaller than the other holes in the first array, places a second plate having a second array of holes on the top of the first plate such that the first array of holes and the second array of holes align, directs light at the bottom of the first plate, locates a profile of the first plate alignment hole in the second array of holes to verify alignment. | 08-25-2011 |
20110242157 | Tilt Mitigation Methods to Control Reservoir Ink Level and Printhead Pressure - An ink level control system includes a first dividing wall that divides a reservoir of a printhead into a first chamber and a second chamber. The first and the second chambers are each connected to the ink passages of the inkjet stack by an ink port. The first dividing wall includes an opening that connects the first chamber and the second chamber to enable ink to pass therebetween. The opening is located a predetermined distance above the bottom surface of the reservoir. An ink diverter is associated with the inlet opening that directs ink received through the inlet opening to one of the first and the second chambers in response to the reservoir being tilted in a first direction, and directs ink to the other of the first and the second chambers in response to the reservoir being tilted in a second direction. | 10-06-2011 |
20110261122 | HEAT SEALEABLE FILTER TO ENABLE VACUUM SEALING OF PARTICLE GENERATING INSULATIONS - An insulation container has an insulation material, a filter arranged to encase the insulation material, the filter of a material that prevents escape of the insulation material while allowing air to pass through, and a container arranged to encase the filter, the container being heat sealable. A printer has an ink supply, a print head arranged to receive ink from the ink supply and configured to receive electrical signals from a controller and to dispense ink in accordance with the electrical signals onto a print substrate, and an insulator to absorb heat from the print head. A method of manufacturing an insulator includes forming a filter container of a filter material, the filter material having openings small enough to prevent escape of the filter material and large enough to allow air to pass through, filling, at least partially, the filter container with an insulating material, sealing the filter container, inserting the filter container into a sealable container, applying a vacuum to the sealable container such that the vacuum is applied to the filter container as well, and sealing the sealable container. | 10-27-2011 |
20120113172 | IMMERSED HIGH SURFACE AREA HEATER FOR A SOLID INK RESERVOIR - A volumetric container for storing phase-change ink includes a housing that is comprised primarily of a thermally insulating material and a heater element positioned within the housing. The heater element is positioned in the container to melt solid ink quickly to enable printing operations. | 05-10-2012 |
20120120134 | PRINTING SYSTEM WITH SELECTIVE HEATER ACTIVATION TO ENABLE INK FLOW TO A PRINTHEAD IN THE PRINTING SYSTEM - A method for operating a printer having multiple printheads includes activating a heater that is operatively connected to a printhead that ejects ink having a single color in response to receiving a print job. The printer detects the presence of colors other than the single color in image data received in the print job, and activates heaters operatively coupled to printheads that eject ink drops that correspond to the detected colors. | 05-17-2012 |
20140043412 | Printhead Having A Stepped Flow Path To Direct Purged Ink Into A Collecting Tray - An ink collecting system has been developed to direct ink purged from a printhead positioned above an ink collecting tray along a stepped flow path into the ink collecting tray. The stepped flow path enables the purged ink to flow from a faceplate on the jet stack, around a junction, onto a lower surface of the jet stack, and to a curved lower flange of a reservoir housing, which directs the ink away from the faceplate before the ink drops into the ink collecting tray for disposal or reuse. | 02-13-2014 |
20140071205 | Phase Change Ink Reservoir for a Phase Change Inkjet Printer - A phase change inkjet printer including a heated phase change ink reservoir configured to reduce or prevent improper jetting of ink from a printhead. The reservoir includes a vent to atmosphere to provide substantially consistent and accurate jetting of the heated ink. A selective barrier, such as a filter, disposed adjacent to the vent substantially prevents ink from entering the vent while still enabling the vent to direct a pressure into the reservoir during printing and during purging. | 03-13-2014 |
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 |