Abstract: According to one embodiment, a liquid discharging device includes a storage unit storing a use history indicating whether the liquid discharging device has been previously used, and a discharging device mounted on a liquid dispensing apparatus and configured to discharge a liquid when supplied a discharge voltage in response to a discharge signal received from the liquid dispensing apparatus.

Abstract: A liquid ejection head includes an ejection orifice through which a liquid is ejected, a first liquid flow path which is in communication with the ejection orifice and through which the liquid flows, a second liquid flow path which is in communication with the ejection orifice on the opposite side of the first liquid flow path with respect to the ejection orifice 12 and through which the liquid flows, a first electrode positioned in the first liquid flow path 13, and a second electrode which is positioned in the second liquid flow path and generates an electro-osmotic flow in the liquid together with the first electrode.

Abstract: A fluid ejection device includes a fluid slot, a fluid ejection chamber communicated with the fluid slot, a drop ejecting element within the fluid ejection chamber, a fluid circulation channel communicated at one end with the fluid slot and communicated at another end with the fluid ejection chamber, a fluid circulating element within the fluid circulation channel, and a channel wall separating the fluid ejection chamber and the fluid circulation channel. The fluid circulation channel includes a channel loop, and a width of the channel wall is based on a width of the channel loop and a width of the fluid ejection chamber.

Abstract: A drying apparatus for drying a printing medium having ink droplets dispensed thereto includes a rotatable drive roller, and a warm air blasting unit. The warm air blasting unit includes a pair of warm air blasting portions, and one air intake duct. Each warm air blasting portion has a nozzle case, a fan duct, and a blasting fan. The one air intake duct has a suction fan for feeding ambient air into the air intake duct.

Abstract: There is provided a liquid discharge head including: a communication plate having a plurality of descenders in respective communication with a plurality of nozzles, a pressure chamber plate being stacked on the communication plate and having a plurality of pressure chambers, a piezoelectric element arranged in a position overlapping with the pressure chambers in a stacking direction, and a discharge common channel extending in an array direction and being in communication with the plurality of pressure chambers. The discharge common channel includes: a first discharge portion formed in the communication plate; and a second discharge portion formed in the pressure chamber plate and in communication with the first discharge portion, the second discharge portion reaching as high as to a surface of the pressure chambers at the side of the piezoelectric element along the stacking direction.

Abstract: A flow path structure includes: a substrate that includes a first surface and a second surface on a side opposite to the first surface; a supply port formed on the first surface; a plurality of discharge ports formed on the second surface; grooves that are formed on the first surface so as to extend in an X direction and communicate with the supply ports and with the plurality of discharge ports via through-holes formed on the substrate; and a sealing portion that is disposed on the first surface and seals each groove.

Abstract: An inkjet nozzle includes an aperture with a noncircular opening having a first segment substantially defined by a first polynomial equation and a second segment substantially defined by a second equation.

Abstract: A fluid printhead including at least one fluid ejection element. The fluid ejection element includes a fluid chamber, a throat portion through which fluid is provided to the fluid chamber, and a heater element disposed within the fluid chamber. The fluid ejection element also includes a printhead condition detection system. The printhead condition detection system includes a first electrode at least a portion of which is disposed within the fluid chamber, the first electrode configured to receive a step voltage, a second electrode disposed within the throat portion, and a sense circuit electrically connected to the second electrode that generates an output based on the application of the step voltage to the first electrode as an indication of printhead condition.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves and a plurality of non-ejection grooves alternately arranged in parallel to each other along a first direction and each extending in a second direction crossing the first direction, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and to be bonded to the actuator plate. The non-ejection grooves each partially open in a bonding surface of the actuator plate with the nozzle plate.

Abstract: A head module includes a base including a plurality of openings, and a plurality of heads inserted into the plurality of openings, respectively, to be mounted on the base. The plurality of heads includes a nozzle plate including a nozzle, an individual channel member disposed on the nozzle plate and including an individual chamber communicating with the nozzle, and a frame fixed to the individual channel member. Coefficients of linear expansion of the nozzle plate and the individual channel member are substantially identical to a coefficient of linear expansion of the base, and one of the nozzle plate and the individual channel member is bonded to the base.

Abstract: An inkjet printhead includes: a manifold having first, second, third and fourth ink supply channels extending along the manifold and corresponding first, second, third and fourth rows of outlets defined in the manifold, wherein a first ink delivery group contains the first and second rows of outlets and a second ink delivery group contains the third and fourth rows of outlets. A first row of printhead chips is mounted to a lower surface of the manifold and a second row of printhead chips is mounted to the lower surface of the manifold. Each row of printhead chips prints two ink colors to provide a four-color printhead.

Abstract: A cap device is designed to form a space surrounding an opening of a nozzle of a liquid ejecting head when the cap device is in contact with the liquid ejecting head including the nozzle for ejecting a liquid, and includes a moisturizing chamber to which a moisturizing fluid for moisturizing the above space is supplied, and a partition wall having gas permeability and configured to partition the space and the moisturizing chamber, where part of the partition wall is formed of a flexible portion.

Abstract: A capping station is configured for storing printheads during printer inactivity to preserve the viscosity of the ink in the nozzles of the printheads. Each capping station has a receptacle, a planar member having a shaft that moves bidirectionally within an opening in a floor of the receptacle, a source of cleaning fluid, and a vacuum source. A controller is operatively connected to actuators to move the receptacle so a seal on an upper wall of the receptacle engages a printhead housing and to move the planar member within the receptacle. The controller also operates a pump to move cleaning fluid through the receptacle and to operate the vacuum source to pull ink from the nozzles of a printhead to the faceplate of the printhead. The planar member is moved proximate the faceplate so the ink forms a film that preserves the viscosity of the ink in the nozzles.

Abstract: A liquid ejecting apparatus includes: a hollow housing with an aperture; a liquid ejecting head; and a supply mechanism. The liquid ejecting head has a nozzle through which liquid is to be discharged. The liquid ejecting head is supported in the housing with the nozzle exposed through the aperture. A gap is reserved between the liquid ejecting head and an inner circumferential surface of the aperture. The supply mechanism supplies dry gas to an inner space of the housing.

Abstract: A plug member is a plug member for covering a liquid injection port for injecting liquid to a liquid container portion of a liquid ejecting apparatus. The plug member includes an elastically deformable plug body, and a holding member that has a higher rigidity than the plug body and is for holding the plug body. The plug body includes a lid part for covering the liquid injection port and a barrel part extending from the lid part to the liquid container portion. The barrel part includes an end portion forming an opening at a side opposite to the lid part, and the holding member includes an engaging portion engageable with a shaft portion for rotating the holding member and a support portion that is provided at an engaging portion side of the end portion and is for supporting the end portion.

Abstract: An ink refill container 63 includes a container main body 64 including an ink storage chamber 76, an ink outlet-forming portion 66 provided on an end portion of the container main body forming an ink outlet 65 that allows the ink to flow out from the ink storage chamber, and a valve 74 provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion 73 on an outer side of the ink outlet-forming portion. in which the positioning portion 73 is closer to the container main body than the valve 74 is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank 41-45 when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.

Abstract: A liquid discharge apparatus includes a plate-like actuator including a plurality of individual electrodes aligning in a first direction, a channel member being joined to one surface of the actuator to include a plurality of pressure chambers aligning along the first direction, and a heater being arranged directly or indirectly on the other surface of the actuator and having a convex portion in direct or indirect contact with the plate-like actuator. The convex portion is arranged between the plurality of individual electrodes and an outer edge of the actuator.

Abstract: The remaining amounts of inks in tanks are obtained, and, based on the obtained results, whether direction for printing an image next is to be inverted with respect to a set direction. This can reduce a difference in ink remaining amount between the tanks corresponding to print heads.

Abstract: A liquid discharge device includes a case receiving a cartridge having a first liquid chamber, a tank having a second liquid chamber, a head, a liquid level sensor, an interface, an alarm and a controller configured to: when the cartridge is installed in the case, read a liquid amount Vc stored in the first liquid chamber from a cartridge memory through the interface; read a liquid amount Vs stored in the second liquid chamber from a memory; calculate a threshold based on the liquid amount Vc read from the cartridge memory and the liquid amount Vs read from the memory; update a count value with a value equivalent to an amount of liquid instructed to be discharged by a discharge instruction; and operate the alarm when the updated count value reaches the threshold.

Abstract: A liquid cartridge includes: a cartridge body defining a liquid chamber; a liquid-supply part; a deformable member protruding upward relative to the cartridge body; and a detection member having a detected part. The liquid chamber is configured such that an internal pressure thereof is reduced in accordance with outflow of liquid from the liquid chamber. The deformable member defines an inner space communicating with the liquid chamber, the deformable member being deformable such that a volume of the inner space is reduced in accordance with the reduction in the internal pressure of the liquid chamber. The detected part is movable from a first position to a second position, the detected part at the second position being in contact with the deformable member, the detected part being further movable from the second position to a third position below the second position in accordance with deformation of the deformable member.

Abstract: The present invention relates to an ink-jet printing method using a water-based ink containing a rutile-type titanium oxide and a polymer dispersant, in which the polymer dispersant contains a constitutional unit derived from an anionic group-containing monomer selected from the group consisting of acrylic acid, methacrylic acid and the like in an amount of not less than 72% by mass; Mw of the polymer dispersant is from 3,000 to 50,000; and a content of the polymer dispersant in the water-based ink is from 1 to 7% by mass on the basis of the titanium oxide, said method including the step 1 of redispersing the water-based ink by a dispersing means and the step 2 of printing characters or images on a printing medium using the redispersed water-based ink.

Abstract: In accordance with an embodiment, a liquid circulation apparatus comprises a liquid chamber configured to hold liquid which is to be supplied to a liquid ejection section ejecting liquid, a circulation section configured to circulate the liquid between the liquid chamber and the liquid ejection section, a liquid replenishment section configured to replenish liquid to the liquid chamber, a gas replenishment section configured to replenish gas to the liquid chamber, a pressure detection section configured to detect pressure of the liquid chamber, and a control section configured to adjust pressure of the liquid ejection section by replenishing the liquid to the liquid chamber with the liquid replenishment section and replenishing the gas to the liquid chamber with the gas replenishment section.

Abstract: A waste ink case includes a container. The container houses an ink absorber that absorbs ink. The container includes an ink introducing port, an exhaust vent, and a partition wall. Through the ink introducing port, the ink is introduced from a print head into the container. Through the exhaust vent, air in the container is exhausted. The partition wall acts as an obstruction between the ink introducing port and the exhaust vent. The ink absorber is provided along a ventilation passage. The ventilation passage is from the ink introducing port to the exhaust vent, detouring around the partition wall.

Abstract: A liquid ejecting apparatus includes: a liquid ejecting head including a liquid chamber which communicates with a nozzle; a supply flow path having a first end connected to a liquid supply source and a second end connected to the liquid chamber; a first circulation flow path having a first end connected to the liquid chamber and a second end connected to a first connecting section in the supply flow path; a supply pump provided in the supply flow path; a first pressure regulating valve provided between the first connecting section and the liquid ejecting head in the supply flow path; a second pressure regulating valve provided in the first circulation flow path; a circulation pump provided in the first circulation flow path and configured to circulate the liquid in a downstream direction; and an opening mechanism configured to forcibly open the first pressure regulating valve.

Abstract: A printing apparatus applies liquids so that a reaction liquid and a clear emulsion liquid are mainly applied in a first scanning stage; a coloring material liquid is mainly applied in an intermediate scanning stage; and the clear emulsion liquid is mainly applied in a last scanning stage.

Abstract: Provided is an ink containing at least: an inorganic pigment having a surface hydrophobicity; resin particles; and water.

Abstract: A method of operating an inkjet printer that forms textual data with non-absorbing media ink on non-absorbing media forms the characters with structure that improves the integrity of the edges of the characters over previously known systems. The method includes modifying character pixels in image data used to generate firing signals for operating inkjets in a print head of an inkjet imaging device, generating firing signals for operating the inkjets from the modified character pixels, and operating the inkjets in the print head with the generated firing signals to eject drops of non-absorbing media ink onto non-absorbing media to form characters on the non-absorbing media. The character pixel modification reduces a number of character pixels in a connecting zone of a character that have a value that corresponds to a firing signal that activates an inkjet.

Abstract: An imaging system includes first and second heaters configured to pre-heat a thermochromic coating. The first heater heats at least one of a substrate and the thermochromic coating disposed on the substrate. The second heater heats an ambient environment surrounding the thermochromic coating. The first and second heaters are configured to pre-heat the thermochromic coating to a temperature below a threshold temperature of the thermochromic coating. The system further includes a patterned heater configured to heat the pre-heated thermochromic coating to one or more temperatures above the threshold temperature according to a predetermined pattern.

Abstract: An inkjet printer capable of suppressing temperature unevenness of a drying drum itself as much as possible having a printing part for applying ink to a medium before printing, a drying drum for heating and drying a medium after printing having the ink applied in contact with an outer circumferential face thereof, and a controller capable of individually controlling heating of a plurality of sections obtained by dividing the drying drum along a plane perpendicular to a shaft direction thereof. Each of the respective sections is mounted with a heater part capable of heating the corresponding section, and heating of the heater parts of all of the sections is continuously controlled individually by the controller.

Abstract: A printing machine for printing on a web includes a first roller and a second roller between which the web forms a loop. A trough for pneumatically guiding the loop equidistantly to the major part of the length of curvature of the trough is provided between the first roller and the second roller.

Abstract: An ink jet-type printer includes a recording mechanism performing recording on a continuous sheet transported along a transport path, a transport base and frames disposed downstream of the recording mechanism in the transport path and supporting the continuous sheet, on which the recording has been performed by the recording mechanism, and a heating unit disposed facing the transport base and the frames and heating the continuous sheet supported by the transport base and the frames. The heating unit is pivotable away from the transport base and the frames about a hinge portion serving as a pivoting center disposed at an end portion of the heating unit downstream in the transport direction of the continuous sheet.

Abstract: Inkjet printer (1) operable to print a print substrate (2), and provided with a sliding transfer surface (10) to feed the print substrate (2); a printing device (17) arranged above the transfer surface (10) to define, on the transfer surface (10), a printing station (19); suction device (20) arranged below the transfer surface (10) to maintain the print substrate (2) adhering to and stationary with respect to the transfer surface (10) during sliding; and an adjustment assembly (39) to adjust planarity of the transfer surface (10); the printer further includes masking plates (38) in the lateral parts of the transfer surface (10) for optimising suction efficiency.

Abstract: A printer includes an inversion path that inverts a medium, an inversion roller having a circumferential surface that serves as a path surface of the inversion path, an advancing roller having a circumferential surface that faces both a first path that is a path before the medium is inverted and a second path that is a path after the medium is inverted. The printer also includes an idler roller disposed above the inversion roller and a supply mechanism that is disposed above the idler roller and that supplies the medium toward the recording head. The inversion roller is made smaller in diameter than the advancing roller, and the inversion roller is positioned within a height range of the advancing roller, and at least part of the idler roller is positioned within the height range of the advancing roller.

Abstract: Methods, Apparatus, Devices and Systems herein load a firing distance into a distance counter of a printing device. The firing distance is the distance from the current position of a printhead of the printing device to a marking location on a substrate and the distance is calculated based on an angular encoder operatively associated with a roller used to transport a marking media to the printhead for marking. These devices and methods count the firing distance in angular distance increments as a function of the encoder angular position to correct for encoder roller runout using the distance counter, based on relative movement of the substrate and printhead. When the distance counter reaches the last discrete distance increment corrected for encoder roller runout of the firing distance, these devices and methods load the fractional remaining distance of the firing distance into a time counter of the printing device.

Abstract: A printing device that may include a first print engine, a second print engine, and a web buffer device disposed between the first and second print engines to maintain an amount of web substrate therein, wherein the web buffer includes a first and second movable carriage, with at least one rotatable roller coupled to each of the two carriages and wherein the first and second movable carriages move synchronously away and toward each other to alter an amount of web present in the web buffer.

Abstract: A non-transitory computer-readable medium storing a storage body management program for executing steps is provided. In a registration step, a total number of owned storage bodies including the storage body attached to an attaching part is acquired and registered. In a totalization step, consumption amounts of the storage bodies in the printer are totalized based on an identification result and a detection result. In a calculation step, an average consumption amount per unit period of the storage bodies are calculated based on a totalization result. In a prediction step, a consumption completion timing of the storage bodies is predicted based on a registration result and a calculation result. In an order step, an order process for at least one type of the storage bodies is executed in accordance with a prediction result and an expected delivery period of the storage bodies.

Abstract: A tray locking mechanism includes a tray on which a sheet is disposed, a moving head that processes the sheet that is disposed on the tray as the moving head moves along the sheet, a tray locker that locks the movement of the tray, and a housing that houses the tray and includes a retainer. The tray locker includes a retaining claw that locks the movement of the tray by locking to the retainer. While the moving head is positioned at a position away from a stand-by position, the retaining claw is locked to the retainer as a result of the moving head separating from the tray locker, and while the moving head is positioned at the stand-by position, the retaining claw is disengaged from the retainer as a result of the moving head pushing the tray locker.

Abstract: A liquid discharge head includes a head, a liquid supply conduit, a liquid discharge conduit, a radiator, first and second wiring boards, and a heat conductive member. Liquid is supplied to the head for discharge through the liquid supply conduit. Liquid that passes through the head flows to the liquid discharge conduit. The radiator includes a flow path through which a coolant flows. The coolant is different from the liquid supplied to the head for discharge. The first wiring board is between the head and the radiator and has a connector connected to a wiring extending through an inner space of the radiator. The second wiring board is between the head main body and the first wiring board, and includes, thereon, a driving control element. The heat conductive member extends between the head and the radiator, and is in thermal contact with the radiator.

Abstract: In a protective layer transfer sheet, a heat-resistant lubricating layer is provided on a first surface of a substrate, and a thermally transferable protective layer is provided on at least part of a second surface of the substrate. The thermally transferable protective layer is composed of a peeling layer and an adhesive layer. The peeling layer contains cellulose acetate propionate resin having a glass transition temperature (Tg) in the range of 140° C. or more and 150° C. or less, and a number average molecular weight (Mn) of 30,000 or less, and polyester resin having a number average molecular weight of 15,000 or more.

Abstract: A medium includes a base layer and a separation layer stacked on each other. Regions are defined along a first direction. The regions include: a first region in which a portion of the medium which is in contact with the separation layer is stickable; a second region in which a portion of the medium which is in contact with the separation layer is non-stickable; and a third region in which a portion of the medium which is in contact with the separation layer is at least partly stickable. Four first vertexes of a first imaginary trapezoid shape which are located on an outer shape of the first region and four second vertexes of a second imaginary trapezoid shape which are located on an outer shape of the third region are symmetric with respect to an axis parallel with a second direction.

Abstract: The present invention relates generally to a data carrier comprising an opaque layer and a method for making the data carrier. During personalization phase, the ablation of the opaque layer by laser through the data carrier allows to define a see-through portion of the data carrier carrying opaque security, said see-through portion having an improved security corresponding to opaque embossing pattern overlapping at least partially the opaque security partially destroyed. Said defined see-through portion carrying opaque security partially destroyed with opaque embossing pattern on its surface is even more difficult to reproduce by forger, even more difficult to remove, replace or exchange and easy to check.

Abstract: The present disclosure relates to a device for activating thermochromatic ink. The device may include a drawing tip, a heating element, which may include a positive temperature coefficient (PTC) heating element, communicably coupled to the drawing tip and configure to heat the drawing tip, and a power source configured to provide power to the heating element. The power source may be a lithium-ion battery. The battery may be rechargeable, and the device may have a charging port to recharge the battery from a power source coupled to the charging port. The device may have a regulator for regulating power from the power source to the heating element. The device may have a controller for directing power from the power source to the heating element. Further the heating element may be configured to heat the drawing tip to a temperature between 30-70 degrees Celsius.

Abstract: A tactual finger grip device and method provides increased tactual and visual sensory awareness of finger pressure and alignment especially for the left-handed user. The grip device provides a conically shaped sleeve of resilient material for inserting and adjustably securing a hand-held implement, such as a writing implement. A plurality of raised surface projections circumferentially positioned about the grip device outer surface provide tactual friction with a user's fingers, enabling user tactile sensory awareness, causing the user to adaptably minimize the tactual friction by conforming fingers and hand to natural placement, when the user grasps the sleeve secured to the hand-held implement. The device provides visual indicia for the forefinger, index finger, and thumb placement forming a natural hand position.

Abstract: A holder device for writing instruments, the holder device including: a main body sized to be positioned about a user's forearm; and at least one holder location coupled to the main body, the holder location being sized to hold at least one of the writing instruments.

Abstract: Provided is a coating film transfer tool comprising an external cassette and an internal cassette housed in the external cassette. The internal cassette includes a supply portion configured to supply transfer tape having a coating film on substrate tape. A pressing and transferring portion is configured to transfer the coating film to a film receiving surface by pressing the transfer tape against the film receiving surface, a take-up portion is configured to take up the substrate tape after the coating film is transferred, and a rotation-in-conjunction mechanism is configured to rotate the supply portion and the take-up portion in conjunction with each other. The external cassette includes a button and an elastic member. The pressing and transferring portion sticks out of the external cassette by the button being pressed, and the pressing and transferring portion retracts into the external cassette by the pressing of the button being stopped.

Abstract: An animal skull mount clip system comprising a base, flexible legs extending from the base, and a mounting stud configured to attach the base to a mounting surface, where the flexible legs are configured to be inserted into a brain cavity of an animal skull through a foramen magnum of the animal skull by being flexed toward each other to clear the foramen magnum before expanding back to their original positions, thereby allowing the animal skull to be attached to the mounting surface by the flexible legs within the animal skull and the mounting stud.

Abstract: A universal paint brush holder for paint buckets has a paint brush handle bracket extending perpendicularly from a slide fit speed clip which is removably attachable to the rim of an open paint bucket. The device accommodates paint brushes and paint buckets of a wide variety of sizes. The paint brush handle bracket has two arms that extend from a base outward and define a nook in which a paint brush handle is retained. The slide fit speed clip is formed from a front guide extending down from the front of the base and a back panel extending downward from the back of the base. The paint brush holder has no moving parts and is therefore durable, long-lasting and inexpensive to manufacture.

Abstract: Vehicle wheel comprising a rim part and a disc part formed from a one-piece sheet metal blank and including a central portion with bolt holes and a plurality of radially extending spoke arrangements merging into a disc edge delimiting together with the spoke arrangements ventilation apertures which extend over the region between the edge webs and the disc edge. In order to create steel wheels with four-hole fixing in which high strength and stiffness are achieved the number of spoke arrangements and of bolt holes is four and these are in each case arranged mirror-symmetrically with respect to a common radial line, with the width of each spoke arrangement narrowing radially towards the outside and each ventilation aperture extending in the circumferential direction over an arc length of more than ? of the circumference of the disc part.

Abstract: Embodiments of collapsible wheels and methods of making collapsible wheels are generally described herein. Other embodiments may be described and claimed.

Abstract: A bicycle rim comprises a tire-attachment portion, an inner peripheral portion, a first side portion, a second side portion, and a first non-contact printed deposit. The inner peripheral portion is provided radially inwardly from the tire-attachment portion with respect to a rotational center axis of the bicycle rim. The first side portion includes a first curved surface. The first non-contact printed deposit is at least partly provided on the first curved surface. A first tangential line is defined on the first curved surface in which the first non-contact printed deposit is provided. A first surface angle is defined by the first tangential line and a reference plane perpendicular to the rotational center axis. The first surface angle is larger than 30 degrees.