46th week of 2011 patent applcation highlights part 24 |
Patent application number | Title | Published |
20110279503 | Method And System For Measuring And Compensating For Process Direction Artifacts In An Optical Imaging System In An Inkjet Printer - A printer operating method enables a controller to identify process direction errors in an optical imaging system. The method includes identifying a printhead roll error for each printhead in a plurality of printheads in a printer, moving each printhead by an amount that corrects the printhead roll error for the corresponding printhead, generating a plurality of dashes on media with the plurality of printheads as the media moves past the plurality of printheads, identifying a position for each dash in the process direction from image data of the plurality of dashes on the media, identifying a displacement in the process direction for each optical detector in a linear array of optical detectors used to generated the image data of the plurality of dashes, the displacement being identified with reference to the identified positions for the dashes, and operating the printer to compensate for the identified displacements of the optical detectors. | 2011-11-17 |
20110279504 | Method And System For Measuring And Compensating For Sensitivity And Backlash In Electrical Motors That Laterally Move Printheads In A Continuous Web Inkjet Printer - A method of operating a printer enables a controller in the printer to operate electrical motors for aligning printheads in the printer with greater accuracy. The method includes generating a test pattern on media with a plurality of printheads, identifying a first position for each printhead in the plurality of printheads from test pattern image data, operating an electrical motor operatively connected to one of the printheads to move the printhead in a first direction in the cross-process direction by a predetermined distance, generating a second test pattern on the media, identifying a second position for each printhead, comparing the second position of the printhead with the first position of the printhead to measure a distance moved by the printhead, identifying a first calibration parameter with reference to the predetermined distance and measured distance, and operating the electrical motor with reference to the first calibration parameter. | 2011-11-17 |
20110279505 | Method For Identifying And Verifying Dash Structures As Candidates For Test Patterns And Replacement Patterns In An Inkjet Printer - A method compensates for changes in drop velocity of drops emitted by inkjets in a printhead of an ink jet imaging device. The method includes operating inkjet ejectors in a plurality of printheads to eject ink in a pattern of structured dashes on an image receiving member, the structured dashes corresponding to a predetermined image data pattern, generating image data corresponding to the pattern of structured dashes on the image receiving member, identifying a process direction correction parameter for each ejector in the plurality of printheads with reference to the generated image data, modifying image data to be printed by the plurality of printheads with reference to the process direction correction parameter identified for at least one of the ejectors, and operating the plurality of printheads with reference to the modified image data. | 2011-11-17 |
20110279506 | BI-DIRECTIONAL COLOR PRINTING - A source image is converted to a printable image that is constrained to a bi-directional gamut achievable by both a forward-first print mode and a reverse-first print mode. While the printable image is printed, a print system alternates between forward and reverse passes. The print system uses a forward-first color map during the forward passes and a different reverse-first color map during the reverse passes. | 2011-11-17 |
20110279507 | Media Handling Device For A Printer - An inkjet printing system includes a sensor positioned proximate a media transport path in an inkjet printing system, the sensor being configured to detect a media height exceeding a predetermined height with reference to the media transport path, and a controller associated with the inkjet printing system, the controller being configured to modify operation of the inkjet printing system in response to the sensor detecting a media height exceeding the predetermined height. | 2011-11-17 |
20110279508 | PRINTING APPARATUS AND PRINTING METHOD - When a splice of a continuous sheet is detected, a printing apparatus defines an unprintable area including the splice on the continuous sheet and continues printing by changing the order in which unit images and maintenance patterns are printed so that the unprintable area is not used for the print operation and a maintenance pattern is printed in an area subsequent to the unprintable area. | 2011-11-17 |
20110279509 | APPARATUS AND METHOD OF PRINTING - A printing apparatus using a print head of an inkjet-type, in which, if a splice is detected during printing, an area of a following part of a continuous sheet that follows the splice is used to perform image-quality adjustment such as color shading adjustment, an adjustment of a gap between the print head and a sheet, and a color registration adjustment of the print head. | 2011-11-17 |
20110279510 | PRINTING APPARATUS - An apparatus includes an adjusting mechanism configured to change a gap between a print head and a continuous sheet, and the adjusting mechanism controls the gap to be larger than that at the time of printing when a splice of the continuous sheet passes the print head. An unprintable area is set on each of the upstream side and the downstream side of the splice, each having at least a width corresponding to a sum of a length of the plurality of print heads in the direction of sheet conveyance and a distance of movement of the continuous sheet in a period required for the adjusting mechanism to change the gap, and the printing is continued while avoiding the unprintable area. | 2011-11-17 |
20110279511 | RECORDING ELEMENT SUBSTRATE - A substrate includes a first and a second element arrays in each of which a plurality of elements is arrayed along a first direction of the substrate, a first and a second pad arrays in which a plurality of pads is arrayed along respective two opposite sides extending along a second direction of the substrate, a reception circuit configured to receive data for driving the elements, a data circuit configured to generate data corresponding to the first and the second element array, respectively based on the received data, a signal generation circuit configured to generate a period signal for determining a drive period of the elements based on the generated data, and an output circuit configured to output information related to the substrate. | 2011-11-17 |
20110279512 | INKJET RECORDING DEVICE - The inkjet recording device has the feed mechanism for feeding the paper sheet in the feed direction, the inkjet head for ejecting the droplets towards the paper sheet conveyed by the feed mechanism, the dry section for drying the droplets attached on the paper sheet by landing, and the control mechanism for predicting the amount of heat necessary for drying the droplets based on either one of the paper sheet information of the paper sheet and the recording information to be recorded on the paper sheet to control the temperature of the dry section. | 2011-11-17 |
20110279513 | Method And System For Printhead Alignment To Compensate For Dimensional Changes In A Media Web In An Inkjet Printer - A method enables a controller to align printheads in a printer. The method includes identifying a first cross-process position for each printhead in a plurality of printheads in a printer with reference to image data of a test pattern printed by the plurality of printheads on a media substrate, identifying a second cross-process position for each printhead in the plurality of printheads, calculating a printhead cross-process position error between the identified first cross-process position and the identified second cross-process position for each printhead, comparing a maximum printhead cross-process position error to a predetermined threshold, and operating a plurality of actuators with reference to the calculated printhead cross-process position errors to reposition the printheads in the plurality of printheads in response to the maximum printhead cross-process position error being equal to or less than the predetermined threshold. | 2011-11-17 |
20110279514 | AQUEOUS INKJET INK - According to one embodiment, an aqueous inkjet ink includes water in an amount of from 15 to 50% by mass of the total amount of the ink, a glycol mixture in an amount of from 34 to 80% by mass of the total amount of the ink, and a pigment in an amount of from 2 to 20% by mass of the total amount of the ink. The glycol mixture contains 40 to 70% by mass of propylene glycol, with the remainder being isoprene glycol. | 2011-11-17 |
20110279515 | AQUEOUS INKJET INK - According to one embodiment, an aqueous inkjet ink includes a color material, water as a first liquid, propylene glycol as a second liquid, and a compound represented by the following general formula (PEG) or a compound represented by the following general formula (PGC) as a third liquid. The aqueous inkjet ink has a water activity of 0.85 or less. | 2011-11-17 |
20110279516 | OLEOPHOBIC SURFACE COATINGS - A process for fabricating oleophobic surface coatings to be deposited on a metal surface, such as the front-face or aperture plate of piezoelectric print heads and transfix rolls. The surface coatings are applied to the surface by electrochemical polymerization. | 2011-11-17 |
20110279517 | IMAGE FORMING METHOD, PRETREATMENT LIQUID SET, AND CARTRIDGE - To provide an image forming method, which contains: treating a surface of a recording medium with acid, an oxazoline group-containing polymer, and adipic acid dihydrazide. | 2011-11-17 |
20110279518 | APPARATUS FOR ASSISTING PRINTING HAVING PROXIMAL WICK - A printing assistance apparatus for a media width printhead, the apparatus having: an elongate platen having a surface for supporting media across the media width during printing on the media by fluid ejection nozzles of the printhead; and a wick element positioned within the platen for wicking fluid ejected by the nozzles from the supporting surface, the wick element having an elongate body positioned within the platen and a plurality of pads projecting from the body along the longitudinal length body toward the printhead, the pads being separated by notches. | 2011-11-17 |
20110279519 | MAINTENANCE SYSTEM HAVING MODULAR SLED - A maintenance system for a printhead, the system having a sled slidably arranged with respect to the printhead a media platen module supported by the sled a capper module supported by the sled a wiper module supported by the sled; and a selection mechanism for selectively sliding the sled to align one of the platen, capper and wiper modules with the printhead, and for moving the aligned module to a position in proximity of the printhead. | 2011-11-17 |
20110279520 | PRINTER HAVING MODULAR MAINTENANCE SLED - A printer having a media width printhead a sled slidably arranged with respect to the printhead a media platen module supported by the sled a capper module supported by the sled a wiper module supported by the sled and a selection mechanism for selectively sliding the sled to align one of the platen, capper and wiper modules with the printhead, and for moving the aligned module to a position in proximity of the printhead. | 2011-11-17 |
20110279521 | APPARATUS FOR ASSISTING PRINTING HAVING OFFSET WICK - A printing assistance apparatus for a media width printhead is provided. The printhead has rows of fluid ejection nozzles extending along the media width, The apparatus has an elongate platen having a surface for supporting media across the media width as the media travels past the printhead along a media travel direction, the platen having an elongate slot along the media width, a wick element positioned within the slot for wicking fluid ejected by the nozzles from the supporting surface, and an alignment mechanism for aligning the platen with the printhead so that the opposed longitudinal edges of the slot are respectively positioned upstream and downstream of the media travel direction with respect to a centerline along the length the nozzle rows with the upstream edge being closer to the centerline than the downstream edge such that the wick element has a smaller upstream surface area. | 2011-11-17 |
20110279522 | METHOD OF MAINTAINING PRINTHEAD - A method of maintaining a printhead having the steps of bringing a porous material within a predetermined distance from fluid ejection nozzles of the printhead at a non-printing phase of the printhead; and holding the porous material at the predetermined distance during the non-printing phase, wherein the predetermined distance is selected to allow a fluid flow path to form between the nozzles and porous material which causes transfer of fluid egested by the nozzles to the porous material and then induces the flow path to break off. | 2011-11-17 |
20110279523 | MAINTENANCE SYSTEM HAVING WICKING CAP FOR PRINTHEAD - A maintenance apparatus for a printhead, the apparatus having a seal for sealing against a surface of the printhead which has fluid ejection nozzles, the seal being configured to form a sealed space about the nozzles; and a porous material positioned within the seal to be in proximity of the nozzles in the sealed space, fluid egested by the nozzles contacting, and being transferred to, the porous material in the sealed space. | 2011-11-17 |
20110279524 | APPARATUS FOR CAPPING PRINTING HAVING OFFSET WICK - A maintenance apparatus for a media width printhead is provided. The printhead has rows of fluid ejection nozzles extending along the media width for ejecting fluid onto media as the media travels past the printhead along a media travel direction. The apparatus has a seal for sealing against the printhead surface having the nozzle rows and forming a sealed space about the nozzle rows, a wick element positioned within the seal for wicking fluid ejected by the nozzles from the sealed space, and an alignment mechanism for aligning the seal with the printhead so that a portion of an outer surface of the wick element sloped in the media travel direction closest to the printhead is positioned upstream with respect to a centerline along the length the nozzle rows and a portion of the sloped outer surface of the wick element furthest from the printhead is positioned downstream. | 2011-11-17 |
20110279525 | RECORDING APPARATUS - An apparatus includes a recording head having nozzle chips arranged in a staggered configuration along a second direction that intersects a first direction in which a sheet is conveyed, a first suction portion corresponding to a first row of nozzle chips in the staggered configuration, and a second suction portion corresponding to a second row of nozzle chips. The first suction portion and the second suction port are in a positional relationship in which they are displaced in the second direction so as to correspond to displacement between a first nozzle chip in the first row and its neighboring second nozzle chip in the second row in the second direction. The apparatus further includes a positioning member having a plurality of reference surfaces for use in positioning the recording head at different locations in a third direction that intersects the first direction and the second direction. | 2011-11-17 |
20110279526 | MAINTENANCE APPARATUS HAVING ROTATABLE WIPER FOR PRINTHEAD - A maintenance apparatus for a printhead, the apparatus having a rotatable shaft; a porous material about the shaft; and a mechanism for rotating the shaft so that the porous material rotates against the printhead, the porous material being configured to absorb fluid from the printhead during the rotation. | 2011-11-17 |
20110279527 | MAINTENANCE APPARATUS HAVING ROTATABLE PRINTHEAD WIPER WITH SCRAPER - A maintenance apparatus for a printhead, the apparatus having: a porous member for rotatably contacting the printhead to absorb particulates from the printhead; and a scraper for contacting the porous member to remove the absorbed particulates from the porous member during the rotation. | 2011-11-17 |
20110279528 | MAINTENANCE APPARATUS HAVING MULTIPLE FLUID ABSORBERS FOR PRINTHEAD - A maintenance apparatus for a printhead, the apparatus having a first porous member for contacting the printhead to absorb fluid from the printhead; and a second porous member for contacting the first porous member to absorb fluid from the first porous member. | 2011-11-17 |
20110279529 | APPARATUS FOR ASSISTING PRINTING HAVING WICK - A method of maintaining a printhead, the method having, when printing with the printhead, translating a modular sled relative to the printhead so as to align a media platen module supported by the sled with the printhead; after printing with the printing, translating the sled relative to the printhead so as to align a wiper module supported by the sled with the printhead and operating a wiper roller of the wiper module so as to wipe a printing face of the printhead; and after the wiping and prior to commencement of printing with the printhead, translating the sled relative to the printhead so as to align a capper module supported by the sled with the printhead so as to cap the printing face of the printhead. | 2011-11-17 |
20110279530 | MAINTENANCE SYSTEM HAVING CLEANABLE WIPER FOR PRINTHEAD - An apparatus for maintaining a printhead is provided having a rotatable wiper roller having a shaft and a porous material about the shaft, a rotatable transfer roller in rotatable contact with the wiper roller, and a mechanism for rotating the wiper roller so that the porous material rotates against the printhead such that the porous material absorbs fluid from the printhead during the rotation, and for rotating the transfer roller against the wiper roller so that the fluid absorbed by the porous material is transferred to the transfer roller. | 2011-11-17 |
20110279531 | MAINTENANCE APPARATUS HAVING CLEANER FOR ROTATABLE WIPER - An apparatus for maintaining a printhead is provided having a rotatable porous roller, a rotatable non-porous roller in rotatable contact with the porous roller, a scraper in contact with the non-porous roller, and a mechanism for rotating the porous and non-porous rollers so that the porous roller rotates against the printhead and the non-porous roller is rotated against the porous roller and the scraper. The porous roller is configured to absorb fluid and particulates from the printhead during rotation. The non-porous roller is configured to transfer the absorbed fluid and particulates from the porous roller. The scraper is configured to clean the transferred fluid and particulates from the non-porous roller during rotation. | 2011-11-17 |
20110279532 | WIPING DEVICE HAVING ON-BOARD MECHANISM FOR ROTATING WIPER ROLLER FOR PRINTHEAD - A wiping device for maintaining a printhead is provided having a body supported within a maintenance unit of the printer, a porous roller rotatably mounted to the body, and a mechanism mounted to the body for rotating the porous roller. The body is configured to be lifted from the maintenance unit so as bring the porous roller into contact with a printhead of the printer. The mechanism rotates the porous roller so that the porous roller rotates against the printhead wiping the printhead clean. The mechanism is connectable to a power supply of the printer and is configured to be lifted from the maintenance unit together with the body whilst connected to the power supply. | 2011-11-17 |
20110279533 | MAINTENANCE SYSTEM HAVING TRANSLATABLE AND ROTATABLE WIPER AND CLEANER FOR PRINTHEAD - A maintenance system for a printhead is provided having a sled, a wiper module supported by the sled, a lift mechanism for lifting the wiper module from the sled the wiper module, a rotation mechanism, and a sliding mechanism for sliding the sled relative to the printhead. The wiper module has rotatable porous and non-porous rollers in contact with one another. The rotation mechanism rotates the porous and non-porous rollers so that the porous roller of the lifted wiper module rotates against the printhead and the non-porous roller rotates against the porous roller. The porous roller is configured to absorb fluid from the printhead during rotation and the non-porous roller is configured to clean the absorbed fluid from the porous roller. The sliding mechanism slides the sled so that the rotating porous roller is wiped across the printhead. | 2011-11-17 |
20110279534 | PRINTHEAD MAINTENANCE SYSTEM HAVING WIPER MODULE - A maintenance system for a printhead is provided having a support frame, a wiper module supported by the support frame, a lift mechanism for lifting the wiper module from the support frame, and a rotation mechanism. The wiper module has a wiper roller on a rotatable shaft and a porous material about the shaft, and a transfer roller in rotatable contact with the wiper roller. The lift mechanism lifting the wiper module to position the porous material of the wiper roller against the printhead. The rotation mechanism rotates the wiper and transfer rollers so that the porous material of the wiper roller rotates against the printhead. The porous material is configured to absorb fluid from the printhead during rotation, and so that the fluid absorbed by the porous material of the wiper roller is transferred to the transfer roller. | 2011-11-17 |
20110279535 | MAINTENANCE APPARATUS HAVING ROTATABLE WIPER AND TRANSFER ROLLERS FOR PRINTHEAD - An apparatus for maintaining a printhead is provided having a rotatable wiper roller having a shaft and a porous material about the shaft, a rotatable transfer roller in rotatable contact with the wiper roller, and a mechanism for rotating the wiper roller so that the porous material rotates against the printhead such that the porous material absorbs fluid from the printhead during the rotation, and for rotating the transfer roller against the wiper roller so that the fluid absorbed by the porous material is transferred to the transfer roller. | 2011-11-17 |
20110279536 | METHOD OF MAINTAINING PRINTHEAD WITH MODULAR SLED - A method of maintaining a printhead and the method having when printing with the printhea, translating a modular sled relative to the printhead so as to align a media platen module supported by the sled with the printhead after printing with the printing, translating the sled relative to the printhead so as to align a wiper module supported by the sled with the printhead and operating a wiper roller of the wiper module so as to wipe a printing face of the printhead; and after the wiping and prior to commencement of printing with the printhead, translating the sled relative to the printhead so as to align a capper module supported by the sled with the printhead so as to cap the printing face of the printhead. | 2011-11-17 |
20110279537 | MAINTENANCE SYSTEM HAVING TRANSLATABLE AND ROTATABLE WIPER FOR PRINTHEAD - A maintenance system for a printhead, the system having a sled; a wiper module supported by the sled, the wiper module comprising a rotatable shaft and a porous material about the shaft; a lift mechanism for lifting the wiper module from the sled to position the porous material against the printhead; a rotation mechanism for rotating the shaft so that the porous material rotates against the printhead, the porous material being configured to absorb fluid from the printhead during the rotation; and a sliding mechanism for sliding the sled relative to the printhead so that the rotating porous material is wiped across the printhead. | 2011-11-17 |
20110279538 | METHOD OF WIPING PRINTHEAD WITH TRANSLATABLE AND ROTATABLE WIPER - A method of wiping a printhead, the method having: controlling a lift mechanism to lift a wiper module from a supporting sled to position a porous material of the wiper module against the printhead; controlling a rotation mechanism to rotate a shaft of the wiper module about which the porous material is provided so that the porous material rotates against the printhead, the porous material being configured to absorb fluid from the printhead during the rotation; and controlling a sliding mechanism to slide the sled relative to the printhead so that the rotating porous material is wiped across the printhead. | 2011-11-17 |
20110279539 | MAINTENANCE SYSTEM HAVING WASTE CONTAINER FOR PRINTHEAD - A maintenance system for a printhead, the system having an ingestion member for ingesting waste fluid from the printhead; and a container for containing said ingested waste fluid, the container being flexible so as to expand as an amount of contained waste fluid increases. | 2011-11-17 |
20110279540 | PRINTER HAVING WASTE FLUID CONTAINER - A printer having a printhead having a plurality of fluid ejection nozzles; an ingestion member for ingesting waste fluid from the printhead; and a container for containing the ingested waste fluid, the container being flexible so as to expand as an amount of contained waste fluid increases. | 2011-11-17 |
20110279541 | RECORDING APPARATUS - A holder that holds a line recording head is displaced in a sheet width direction against the urging force of an elastic portion to bring an abutment portion of the holder into contact with one of a plurality of positioning surfaces provided at a reference portion of a sheet conveying mechanism. The holder is positioned and fixed to the reference portion, with the urging force exerted thereto. | 2011-11-17 |
20110279542 | PRINTHEAD COUPLING HAVING CAM DRIVEN MECHANISM - A coupling assembly for distributing fluid to a printhead, the coupling assembly having a housing, a port plate movably mounted to a shaft which passes through the port plate and housing, a compression spring mounted on the shaft by a washer so as to be compressed between the washer and the port plate and an arm pivotally connected to the shaft at one of its longitudinal ends and pivotally connected to a coupling drive mechanism at its other longitudinal end | 2011-11-17 |
20110279543 | ROTARY INKJET IMAGING APPARATUS AND METHOD FOR PRINTING ON A STATIONARY PAGE OF MEDIA IN A CURVED CONFIGURATION - A rotary inkjet imaging apparatus includes a curved print zone having a longitudinal axis and in which a page of media is held in a curved configuration at a stationary position, a carrier movable bi-directionally along a linear path defined adjacent to the curved print zone and extending parallel to the longitudinal axis thereof, and at least one inkjet printhead supported by the carrier for undergoing movement within the curved print zone along a curved path winding about a central axis extending parallel to the guide path and coaxial with the longitudinal axis of the curved print zone such that the inkjet printhead moves about the central axis multiple revolutions and prints on the page concurrently as the carrier unidirectionally moves along the linear path and the printhead moves within the curved print zone and through portions of the curved path in which the printhead faces toward the page. | 2011-11-17 |
20110279544 | METHOD AND SYSTEM FOR APPLYING MATERIALS ON A SUBSTRATE - Embodiments of the invention are directed to a method of printing lines. A method may include positioning a plurality of print units according to a predefined spacing parameter. A method may include depositing material on a substrate by a plurality of print units to form a respective plurality of parallel lines according to a predefined spacing parameter. A printing unit may be positioned at an angle with respect to a predefined scan direction such that a predefined width of a printed line is achieved. A substrate may be rotated between scans such that a plurality of lines in a respective plurality of directions is printed in a scan direction. | 2011-11-17 |
20110279545 | LIQUID DISCHARGE HEAD - A liquid discharge head includes a liquid discharge substrate having a discharge port array, and a channel member having a mounted face on which the liquid discharge substrate is mounted, channels for supplying liquid to the discharge port array, and a low thermal conductivity portion, wherein the channels includes an opening for flowing liquid, which is provided at a part except for both ends of the discharge port array, a first channel for passing the liquid, and a second channel for passing the liquid in a direction opposite to the liquid flowing direction in the first channel, wherein the opening, the first channel, the low thermal conductivity portion, and the second channel are provided in this order to be vertical to the mounted face, and the opening and the low thermal conductivity portion are provided to be at least partially overlapped one above the other. | 2011-11-17 |
20110279546 | LIQUID EJECTION HEAD AND METHOD OF PRODUCING THE SAME - Provided is a liquid ejection head, comprising a chip having a liquid ejection pressure generating element and an electrode terminal for electrically connecting the liquid ejection pressure generating element to an outside, an electrical wiring board having a lead wiring to be electrically connected to the electrode terminal, and a lead sealing material for covering an electrical connection portion between the electrode terminal and the lead wiring. The lead sealing material contains an epoxy resin (a) which has an average number of functional groups per molecule of more than two and is solid at 25° C., an acid anhydride curing agent (b) having a polybutadiene backbone, a curing accelerator (c), and an inorganic filler (d). | 2011-11-17 |
20110279547 | LIQUID DISCHARGE HEAD AND MANUFACTURING METHOD OF THE LIQUID DISCHARGE HEAD - The invention provides, between a discharge element substrate and a supply member, a support member containing a mixture that contains: a material having an affinity for a material forming the supply member; and another material. | 2011-11-17 |
20110279548 | LIQUID DISCHARGE HEAD AND ELECTRIC WIRING SUBSTRATE - A liquid discharge head includes a recording element substrate having a plurality of discharge ports for discharging liquid, and a plurality of recording elements for generating energy to discharge liquid, and an electric wiring substrate electrically connecting the recording element substrate and a driving circuit substrate having a circuit for driving the plurality of recording elements, the electric wiring substrate having a plurality of first electrical contact groups including a plurality of electrical contacts, for electrically connecting with the driving circuit substrate, provided along a disposed direction in which the plurality of discharge ports are disposed. The plurality of first electrical contact groups are detachably attached to a plurality of second electrical contact groups electrically connected with the driving circuit substrate, such that adjacent first electrical contact groups do not overlap each other in the disposed direction and in a direction orthogonal to the disposed direction. | 2011-11-17 |
20110279549 | LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS - A liquid discharge head includes a recording element substrate including a recording element that generates energy for discharging liquid from a discharge port, a base plate including a mounted surface on which the recording element substrate is mounted, an electric wiring substrate including a portion disposed on another surface of the base plate different from the mounted surface, adjacent to the mounted surface, and configured to be electrically connected to the recording element substrate, and an shield member having electric conductivity and configured to shield the portion. | 2011-11-17 |
20110279550 | LIQUID JET HEAD AND METHOD FOR MANUFACTURING LIQUID JET HEAD - A liquid discharge head includes a recording element substrate including an energy generating element, a wiring substrate including wiring, a support substrate for supporting the recording element substrate and the wiring substrate so that a side end portion of the recording element substrate and a side end portion of the wiring substrate are adjacent to each other, and a sealing member, wherein the side end portion of the wiring substrate has a step portion, a distance between a second portion of the step portion on the side opposite to the support substrate and the side end portion of the recording element substrate is larger than a distance between a first portion of the step portion on the side of the support substrate and the side end portion of the recording element substrate, and a part of the wiring is formed in the first portion. | 2011-11-17 |
20110279551 | Inkjet print head and inkjet printer including the same - There is provided an inkjet print head that includes: an inkjet head plate with a plurality of head cells including ink passages where introduced ink is ejected through a nozzle by passing through a pressure chamber; and a piezoelectric actuator formed on the top of the inkjet head plate and formed at a position corresponding to the pressure chamber, wherein the area of at least one of the pressure chamber and the piezoelectric actuator is changed to make ejection characteristics of the ink ejected from the plurality of head cells uniform. | 2011-11-17 |
20110279552 | INK-JET HEAD, INK-JET APPARATUS, AND METHOD OF MANUFACTURING THE SAME - The present invention provides an ink-jet head which comprises an ink supply channel configured to allow ink to flow, two or more ink chambers each having a bottom surface with a nozzle and an upper surface constituting of a vibrating plate, the two or more ink chambers being arranged in a row along a direction in which the ink flows in the ink supply channel, a partition wall partitioning the ink chambers. and a piezo-mounting plate having two or more multilayer piezoelectric elements and two or more columns fixed thereto. The two or more multilayer piezoelectric elements are arranged in a row, and the two or more columns are arranged between the multilayer piezoelectric elements. And also, the piezo-mounting plate is arranged on the upper surface of the ink chambers. In the ink-jet head, the vibrating plate constituting the upper surface of the ink chamber is held between the partition wall and the column. A large gap and a small gap are arranged between the two multilayer piezoelectric elements adjacent to each other, and the column is arranged at only the portion with a large gap. | 2011-11-17 |
20110279553 | LIQUID EJECTION HEAD - In order to provide a liquid ejection head which enables ejection of a droplet at a higher frequency, according to the invention, a piezoelectric vibrator | 2011-11-17 |
20110279554 | INKJET RECORDING MEDIUM AND METHODS THEREFOR - An inkjet receiving medium including a substrate and having a topmost layer coated thereon at solid content of from 0.1 to 25 g/m | 2011-11-17 |
20110279555 | FLUID DISTRIBUTION SYSTEM HAVING FLUID FLOW RESTRICTION - A fluid distribution system having a first fluid container having a fluid outlet, a second fluid container having a fluid inlet, a fluid line interconnecting the outlet of the first container and the inlet of the second container, an inverted umbrella valve between the fluid line and the inlet, the valve arranged to allow fluid flow from the first container to the second container via the fluid line and a restrictor for restricting the allowed fluid flow through the fluid line. | 2011-11-17 |
20110279556 | PRINTHEAD COUPLING FOR FLUID DISTRIBUTION - A coupling for distributing fluid to a printhead, the coupling having a housing, a port plate movably mounted on the housing by a shaft, the port plate having a plurality of ports for receiving respective fluid spouts of the printhead, a seal member mounted on the housing between the housing and the port plate, the seal member having a plurality of seals which align with respective ones of the ports of the port plate and a compression spring mounted on the shaft by a washer so as to be compressed between the washer and the port plate. | 2011-11-17 |
20110279557 | Fluid Distribution System for Pressure Control at Printhead - A fluid distribution system for a printhead. The system having a first fluid container a fluid connector for connection to a fluid input of the printhead; and a second fluid container connected between the first container and the connector for delivering fluid from the first container to the connector, wherein the second container is located relative to the first container and the connector so that a fluid pressure difference between fluid contained within the second container and fluid at the connector is independent of the amount of fluid contained within the first container. | 2011-11-17 |
20110279558 | METHOD OF CONTROLLING FLUID PRESSURE AT PRINTHEAD - A method of controlling fluid pressure at a printhead with a fluid distribution arrangement, the method having providing the fluid distribution arrangement with a first fluid container, a fluid connector for connection to a fluid input of the printhead, and a second fluid container connected between the first container and the connector for delivering fluid from the first container to the connector and locating the second container relative to the first container and the connector so that a fluid pressure difference between fluid contained within the second container and fluid at the connector is independent of the amount of fluid contained within the first container. | 2011-11-17 |
20110279559 | PRINTING SYSTEM HAVING PRESSURE CONTROL AT PRINTHEAD - A printing system having a first fluid container, a printhead and a second fluid container connected between the first container and the printhead for delivering fluid from the first container to the printhead, wherein the second container is located relative to the first container and the printhead so that a fluid pressure difference between fluid contained within the second container and fluid at the printhead is independent of the amount of fluid contained within the first container. | 2011-11-17 |
20110279560 | METHOD OF DISTRIBUTING FLUID PRESSURE IN PRINTING SYSTEM - A method of distributing fluid pressure in a printing system, the method having providing the printing system with a first fluid container, a printhead having fluid ejection nozzles, and a second fluid container connected between the first container and the printhead for delivering fluid from the first container to the printhead and locating the first container above the printhead and the second container and locating the second container below the printhead such that negative fluid pressure is provided at the nozzles of the printhead and positive fluid pressure is provided at the second container. | 2011-11-17 |
20110279561 | FLUID DISTRIBUTION SYSTEM HAVING VALVED FLUID CONTAINER - A system for distributing fluid to a printhead, the system having a printhead a first fluid container and a second fluid container for distributing fluid from the first container to the printhead, the second container having a body for containing the fluid to a predetermined capacity, an inlet connected to the first container, a valve at the inlet, and an outlet connected to the printhead, wherein the valve is operated so that the valve is closed when the body contains fluid at the predetermined capacity and is open when fluid is distributed to the printhead via the outlet. | 2011-11-17 |
20110279562 | SYSTEM FOR DISTRIBUTING FLUID AND GAS WITHIN PRINTER - A system for distributing fluid and gas within a printer is provided having a fluid container having three fluid ports, a first fluid path connecting the first fluid port to a printhead of the printer, a second fluid path connecting the second fluid port to the printhead, and a third fluid path connecting the third fluid port to a gas vent. The first and second fluid ports are configured so that fluid from the fluid container flows between the first and second fluid paths via the printhead and the third fluid port is configured so that gas flows between the fluid container and gas vent. | 2011-11-17 |
20110279563 | SEPTUM ASSEMBLY FOR FLUID CONTAINER - A septum assembly for a fluid container is provided having a first septum having a membrane which is piercable by a septum needle sealingly located within a fluid port of the fluid container which communicates with a fluid reservoir of the fluid container, and a second septum having a slit through which the septum needle passes sealingly located within the fluid port of the fluid container adjacent the first septum so that the septum needle passes through the slit of the second septum before piercing the first septum. | 2011-11-17 |
20110279564 | SYSTEM FOR VENTING GAS AT INK CONTAINERS - A system for venting gas at ink containers which supply inks to a multi-channel inkjet printhead is provided having a plurality of ink containers for supplying fluids to a printhead having a plurality of ink channels, and a gas vent assembly having a plurality of gas vents. Each ink container has an ink port connected to a corresponding one of the ink channels of the printhead and a gas port. Each gas vent is connected to a corresponding one of the gas ports of the ink containers. The gas vents of the gas vent assembly are in fluid communication with the external atmosphere. | 2011-11-17 |
20110279565 | MULTI-CHANNEL VALVE APPARATUS FOR PRINTHEAD - A multi-channel valve apparatus for a multi-channel printhead is provided having ink ports and gas ports defined through a body, first and second pinch elements, and a pinch drive arrangement for selectively moving the first and second pinch elements. Each ink port is configured to receive therethrough a respective one of ink tubes interconnecting ink containers with the printhead. Each gas port is configured to receive therethrough a respective one of gas tubes interconnecting gas vents with the printhead. The first pinch element is moved into and out of pinching contact with the ink tubes so as to respectively block and allow fluid flow through the ink tubes. The second pinch element is moved into and out of pinching contact with the gas tubes so as to respectively block and allow fluid flow through the gas tubes. | 2011-11-17 |
20110279566 | PRINTING SYSTEM HAVING CLOSED FLUID PATH FOR PRINTHEAD - A printing system having a fluid source, a first fluid path connecting the fluid source to a first fluid port of the printhead, a second fluid path connecting the fluid source to a second fluid port of the printhead, wherein the first and second paths are configured so that fluid from the fluid source flows between the first and second paths via the printhead. | 2011-11-17 |
20110279567 | FLUID DISTRIBUTION SYSTEM HAVING PRINTHEAD BYPASS - A fluid distribution system for a printhead, the system having a first fluid path connected to a first fluid port of the printhead, a second fluid path connected to a second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid flows between the first and second paths via the printhead and via the third fluid path. | 2011-11-17 |
20110279568 | PRINTING SYSTEM HAVING PRINTHEAD BYPASS - A printing system having a media width printhead having a first fluid port at one longitudinal end of the media width and a second fluid port at the other longitudinal end of the media width; a first fluid path connected to the first fluid port of the printhead, a second fluid path connected to the second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid flows between the first and second paths via the printhead and via the third fluid path. | 2011-11-17 |
20110279569 | FLUID DISTRIBUTION SYSTEM HAVING PRINTHEAD BYPASS FROM CONTAINER - A fluid distribution system for a printhead, the system having a fluid container, a first fluid path interconnecting the container and a first fluid port of the printhead, a second fluid path interconnecting the container and a second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid from the container flows between the first and second paths via the printhead and via the third fluid path. | 2011-11-17 |
20110279570 | PRINTING SYSTEM HAVING PRINTHEAD BYPASS FROM CONTAINER - A printing system having a fluid container, a media width printhead having a first fluid port at one longitudinal end of the media width and a second fluid port at the other longitudinal end of the media width, a first fluid path interconnecting the container and the first fluid port of the printhead, a second fluid path interconnecting the container and the second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid from the container flows between the first and second paths via the printhead and via the third fluid path. | 2011-11-17 |
20110279571 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH VALVE FOR BYPASSED PRINTHEAD - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop and a multi-path valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path. | 2011-11-17 |
20110279572 | PRINTING SYSTEM HAVING MULTI-PATH VALVE FOR BYPASSED PRINTHEAD - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop and a multi-path valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path. | 2011-11-17 |
20110279573 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR BYPASSED PRINTHEAD - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing fluid flow along each of the closed loops via the printhead and the respective bypass paths. | 2011-11-17 |
20110279574 | PRINTING SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR BYPASSED PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing fluid flow along each of the closed loops via the printhead and the respective bypass paths. | 2011-11-17 |
20110279575 | FLUID DISTRIBUTION SYSTEM FOR PRIMING PRINTHEAD - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, the fluid being drawn from the container in a first direction around the closed loop by the printhead during printing and a pump on the closed loop, the pump being operational to draw fluid from the container in an opposite, second direction around the closed loop. | 2011-11-17 |
20110279576 | MULTI-PATH VALVE FOR PRINTHEAD - A multi-path valve for a media width inkjet printhead, the printhead being connected to an ink source via a closed ink flow loop, the valve having a body, a first port on the body for connection to the ink source, a second port on the body for connection to the printhead, a third port on the body for connection to a bypass ink path which bypasses the printhead on the closed loop, a fourth port on the body for connection to a gas vent on the closed loop, a chamber within the body via which the first, second, third and fourth ports are able to be interconnected and a selection device for selectively establishing interconnection between the first, second, third and fourth ports to allow ink flow therebetween. | 2011-11-17 |
20110279577 | MULTI-CHANNEL VALVE FOR PRINTHEAD - A multi-channel valve for a media width inkjet printhead, the printhead being connected to a plurality of ink supplies via a plurality of ink flow channels, the valve having a body, a plurality of sealed chambers within the body, a plurality of groups of ports on the body, each port group being associated with a respective one of the chambers and having individual ports for respective connection to the printhead and a respective one of the ink supplies and a selection device for selectively establishing interconnection between the ports of each port group to allow ink flow therebetween for each of the channels. | 2011-11-17 |
20110279578 | DIAPHRAGM VALVE FOR PRINTHEAD - A diaphragm valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a plurality of ports on the body for connection to the ink source and printhead, a chamber within the body via which the ports are able to be interconnected, a diaphragm pad having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports thereby allowing ink flow therebetween. | 2011-11-17 |
20110279579 | MULTI-CHANNEL DIAPHRAGM VALVE FOR PRINTHEAD - A multi-channel diaphragm valve for distributing ink from a plurality of ink supplies to a media width inkjet printhead via a plurality of ink flow channels, the valve having: a body; a plurality of sealed chambers within the body, a plurality of groups of ports on the body, each port group being associated with a respective one of the chambers and having individual ports for respective connection to the printhead and a respective one of the ink supplies and a plurality of diaphragm pads having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports of each port group to allow ink flow therebetween for each of the channels. | 2011-11-17 |
20110279580 | ROTARY VALVE FOR PRINTHEAD - A rotary valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a shaft rotatably mounted to the body, a channel cylinder arranged on the shaft to be rotatable therewith, the channel cylinder having a channel defined along its circumference, a port cylinder fixed to the body relative to the shaft so as to concentrically and sealingly enclose the channel cylinder, the port cylinder having a plurality of ports defined therethrough along its circumference for respective connection to the printhead and ink source, each port being aligned with a portion of the channel and a selection device for selectively rotating the shaft to establish interconnection between the ports and the channel thereby allowing ink flow between the ports via the channel. | 2011-11-17 |
20110279581 | MULTI-CHANNEL ROTARY VALVE FOR PRINTHEAD - A multi-channel rotary valve is provided for distributing ink from ink supplies to a media width inkjet printhead via ink flow channels. The valve has a body, a shaft rotatably mounted to the body, a cylindrical channel arrangement mounted on the shaft to be rotatable therewith, a cylindrical port arrangement fixed to the body relative to the shaft so as to concentrically and sealingly enclose the channel arrangement, and a selection device. The channel arrangement has individual channels defined along its circumference. The port arrangement has groups of ports defined therethrough along its circumference for respective connection to the printhead and a respective ink supply. Each port group is aligned with a portion of a respective channel. The selection device selectively rotates the shaft to establish interconnection between the ports of each port group via the respective channels to allow ink flow therebetween for each of the ink flow channels. | 2011-11-17 |
20110279582 | MULTI-CHANNEL VALVE ARRANGEMENT FOR PRINTHEAD - A multi-channel valve arrangement for distributing ink from a plurality of ink supplies to a media width inkjet printhead via a plurality of ink tubes each defining an individual ink flow channel, the valve having a body, a plurality of ports defined through the body, each port being configured to receive a respective one of the ink tubes therethrough, a movable pinch element extending across the ports and a pinch drive arrangement for selectively moving the pinch element into and out of pinching contact with the ink tubes so as to respectively block and allow ink flow through the ink tubes. | 2011-11-17 |
20110279583 | LIQUID CONTAINER WITH PASSIVE CAPACITY STATE SENSING - A liquid container for supplying liquid to a printer, the liquid container having a body having an interior space for containing liquid to a predetermined capacity, a port through the body for delivery of liquid into the body to the predetermined capacity, an aperture through the body at which the interior space of the body is in communication with atmosphere external to the fluid container and a hydrophobic film between the aperture and the interior space of the body, the film being configured so that contact with the liquid being delivered via the port causes a change in the fluid pressure at the port. | 2011-11-17 |
20110279584 | SIMPLE PRINTHEAD COUPLING FOR FLUID DISTRIBUTION - A coupling assembly for distributing fluid to a printhead, the coupling assembly having a housing, a seal member received in a recess of the housing, a port plate movably mounted on the housing by a washer which is press-on mounted to a shaft through the port plate and housing, and a tube retainer mounted within a groove of the housing for retaining fluid distribution tubes, the retainer having a plurality of holes aligned with respective ones of a plurality of ports in the port plate and a plurality of seals of the seal member for fluidically connecting the retained fluid distribution tubes with respective fluid spouts of the printhead, wherein mounting of each of the seal member, port plate and retainer to the housing is achieved in a non-fastened manner. | 2011-11-17 |
20110279585 | METHOD OF ASSEMBLING SIMPLE PRINTHEAD FLUID DISTRIBUTION COUPLING - A method of assembling a coupling for distributing fluid to a printhead, the method having, mounting a seal member in a recess of a housing, inserting a shaft through a hole in the housing and the seal member, mounting a port plate on the shaft using a washer which is press-on mounted to the shaft and mounting a tube retainer for retaining fluid distribution tubes within a groove of the housing, the retainer having a plurality of holes aligned with respective ones of a plurality of ports in the port plate and a plurality of seals of the seal member for fluidically connecting the retained fluid distribution tubes with respective fluid spouts of the printhead, wherein the mounting of each of the seal member, port plate and retainer to the housing is achieved in a non-fastened manner. | 2011-11-17 |
20110279586 | SYSTEM FOR COUPLING FLUID SUPPLY TO PRINTHEAD - A system for coupling a media width printhead to a fluid supply is provided having a printhead having a fluid inlet coupling at one longitudinal end of the media width and a fluid outlet coupling at the other longitudinal end of the media width, an inlet supply coupling having fluid ports defined in a port plate for engagement with fluid ports of the inlet coupling, an outlet supply coupling having fluid ports defined in a port plate for engagement with fluid ports of the outlet coupling, and a coupling drive mechanism connected to the port plates of the supply couplings via pre-compressed compression springs. The coupling drive mechanism is operational to move the port plates relative to the printhead so as to drive the ports of the supply couplings into engagement with the respective ports of the printhead couplings. | 2011-11-17 |
20110279587 | ATTACHMENT, LIQUID CONTAINER, AND LIQUID SUPPLY APPARATUS - An attachment is mounted on a cartridge holder of a printer as a replacement of an ink cartridge. An ink outlet member having a link passage is separably secured to an attachment body. Ink is supplied from the exterior to the ink outlet member through an ink supply tube. When the attachment is mounted on the cartridge holder, a downstream end of the ink outlet member is positioned with respect to and connected to an ink supply needle of the printer. Accordingly, the attachment is easily and quickly installed in a liquid ejection apparatus. This reduces costs and makes it easy to use the attachment. | 2011-11-17 |
20110279588 | Refillable/Recyclable Ink Cartridge - The present invention relates to a refillable, recyclable ink cartridge having a rigid outer casing. The outer casing has a side wall section and first and second end caps. At least one ink compartment is defined between the side wall section and one or more interior walls. A plunger located in an end of each ink compartment remote from the ink outlet. The plunger is pushed through the ink towards the ink outlet by air pressure or other suitable biasing means. | 2011-11-17 |
20110279589 | INK CONTAINER HAVING FLOAT ACTUATED VALVE - An ink container for an inkjet printhead, the ink container having a body for containing ink to a predetermined capacity, an ink inlet on the body, a float member within the body for floating on ink contained in the body, a valve at the inlet and a valve actuator for selectively opening and closing the valve, wherein the float member is pivotally attached to the valve actuator so that the float member causes the valve actuator to close the valve when the body contains ink at the predetermined capacity and to open the valve otherwise. | 2011-11-17 |
20110279590 | FLUID CONTAINER HAVING THREE FLUID PORTS - A fluid container for a printing system is provided having a body defining a fluid reservoir, a first fluid port for connecting the fluid reservoir to a first fluid path of a printhead of the printing system, a second fluid port for connecting the fluid reservoir to a second fluid path of the printhead, and a third fluid port for connecting the fluid reservoir to a third fluid path to a gas vent. | 2011-11-17 |
20110279591 | SYSTEM FOR REDUCING INK COLOR MIXING EFFECTS IN PRINTER - A system for reducing ink color mixing effects in a printer is provided having a printhead having multiple ink color channels mounted to a housing of the printer at a first level, and a plurality of ink supply cartridges mounted to the printer housing so as to be fluidically connected to the printhead and stacked in an array having a plurality of rows defining a plurality of levels which are lower than the first level. The plurality of ink supply cartridges include at least one black ink supply cartridge which supplies black colored ink to a black ink color channel of the printhead. The black ink supply cartridge is disposed at the lowest level defined by the array. | 2011-11-17 |
20110279592 | LIQUID CONTAINER WITH CAPACITY STATE SENSING - A liquid container for supplying liquid to a printer, the liquid container having: a body having an interior space for containing liquid to a predetermined capacity, a port through the body for delivery of liquid into the body to the predetermined capacity, an aperture through the body at which the interior space of the body is in communication with atmosphere external to the fluid container and a fluid pressure changing member between the aperture and the interior space of the body, the member being configured so that contact with the liquid being delivered via the port causes a change in the fluid pressure at the port. | 2011-11-17 |
20110279593 | MULTI-CHANNEL GAS VENT APPARATUS FOR INK CONTAINERS - A multi-channel gas vent apparatus for venting gas at ink containers which supply inks to a multi-channel printhead is provided having a body having a sidewalls and an interior surface, discrete chambers defined on one side of the interior surface by internal sidewalls and being sealed within the body, and a compartments defined on the opposite side of the interior surface by internal sidewalls and being sealed within the body. Each chamber is for connection to a gas port of a corresponding one of the ink containers. Each ink container has an ink port connected to a corresponding one of the ink channels. Each compartment is in fluid communication with the external atmosphere. The interior surface in each chamber has a recess in which apertures connect the chambers with one of the compartments through the interior surface. | 2011-11-17 |
20110279594 | PRINTING SYSTEM HAVING VALVED INK AND GAS DISTRIBUTION FOR PRINTHEAD - A printing system is provided having a media width printhead, a plurality of ink containers fluidically interconnected with the printhead via a respective plurality of ink tubes, a plurality of gas vents fluidically interconnected with the printhead via a respective plurality of gas tubes, and a multi-channel valve arrangement for selectively moving a first pinch element into and out of pinching contact with the ink tubes so as to respectively block and allow fluid flow through the ink tubes and selectively moving a second pinch element into and out of pinching contact with the gas tubes so as to respectively block and allow fluid flow through the gas tubes. | 2011-11-17 |
20110279595 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH VALVE FOR GAS VENTING - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a gas vent on the closed loop and a multi-path valve on the closed loop for selectively allowing venting of gas in the closed loop via the gas vent. | 2011-11-17 |
20110279596 | PRINTING SYSTEM HAVING MULTI-PATH VALVE FOR GAS VENTING - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a gas vent on the closed loop and a multi-path valve on the closed loop for selectively allowing venting of gas in the closed loop via the gas vent. | 2011-11-17 |
20110279597 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR GAS VENTING - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing venting of gas in each of the closed loops via the gas vents | 2011-11-17 |
20110279598 | PRINTING SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR GAS VENTING - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing venting of gas in each of the closed loops via the gas vents. | 2011-11-17 |
20110279599 | FLUID DISTRIBUTION SYSTEM HAVING FOUR-WAY VALVE - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop, a gas vent on the closed loop and a four-way valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path and venting of gas in the closed loop via the gas vent. | 2011-11-17 |
20110279600 | PRINTING SYSTEM HAVING FOUR-WAY VALVE FOR PRINTHEAD - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop, a gas vent on the closed loop and a four-way valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path and venting of gas in the closed loop via the gas vent. | 2011-11-17 |
20110279601 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-CHANNEL FOUR-WAY VALVE - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-channel four-way valve for selectively allowing fluid flow along each closed loop via the printhead and the bypass paths and venting of gas in each closed loop via the gas vents. | 2011-11-17 |
20110279602 | PRINTING SYSTEM HAVING MULTI-CHANNEL FOUR-WAY VALVE FOR PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-channel four-way valve for selectively allowing fluid flow along each closed loop via the printhead and the bypass paths and venting of gas in each closed loop via the gas vents. | 2011-11-17 |