Abstract: There is provided an ink cartridge including a body, a particular interface and an engagement portion. The body has a front side at which an ink supply portion is located for supplying ink stored in an ink chamber to an exterior of the ink chamber, and a rear side located to face the front side. The particular interface is positioned substantially adjacent to the ink supply portion at the front side, wherein the particular interface is configured to be biased by a biasing member in a specific direction. The engagement portion is configured to be engaged with a locking section of a cartridge installation portion for retaining the body in an installed state.

Abstract: An ink pack is a laminate pack which at least one layer of an aluminum layer or an aluminum alloy layer and at least one layer of a plastic layer are laminated. An ultraviolet curable type inkjet ink composition which contains a compound having a nitroxyl radical, and has 1.2×1016 to 3.0×1019 of the spin number of the nitroxyl radical in one milliliter of the ink composition, is sealed in the ink pack.

Abstract: A liquid cartridge includes: a cartridge body defining a liquid chamber therein; a liquid supply portion provided at the cartridge body; an air flow path provided in the cartridge body; and a valve configured to open and close the air flow path. The air flow path is in communication with the liquid chamber through a communication hole and in communication with ambient air to permit communication between the liquid chamber and ambient air through the air flow path. The valve includes: a slidable valve main body disposed in an internal space defined by an inner peripheral wall of the air flow path; and a sealing member provided on the valve main body, the sealing member including a first elastic portion configured to seal the communication hole and a second elastic portion configured to be in contact with and in sliding contact with the inner peripheral wall.

Abstract: A liquid containing body is configured to be contained in a liquid containing vessel that is inserted in the ?Y axis direction with regard to a mounting section. The liquid containing body includes a flexible liquid containing section containing a liquid, a substrate with a contact section that electrically connects due to contact with regard to an apparatus side terminal section that is provided in the apparatus side wall section, and a substrate support member provided in the liquid containing section and supporting the substrate with a posturing where the contact section faces the ?Y axis direction and the +Z axis direction.

Abstract: In a liquid containing vessel that is inserted in the ?Y axis direction with regard to a mounting section, a substrate support member includes a substrate support section configured to hold a substrate, a first side wall along the Y axis and the Z axis, the first side wall being provided more to the +X axis direction side than the substrate support section, and a first ridge section protruding from the first side wall in the ?X axis direction and configured to engage with a first apparatus side engaging section that protrudes in the +X axis direction in the apparatus side terminal section.

Abstract: A printing fluid cartridge includes a front face oriented toward a first direction, a printing fluid supply portion positioned at the front face, a rear face positioned opposite the front face and oriented toward a second direction opposite the first direction, an electrical interface positioned between the front face and the rear face and facing, and an engagement surface facing in the second direction.

Abstract: In a liquid containing vessel inserted in a ?Y axis direction, a substrate support member includes a first engaging section engaging with the liquid containing vessel from a +Z axis direction side at a position more to the ?Y axis direction side than a contact section of a substrate, a second engaging section engaging with a liquid containing section at a position more to a +Y axis direction side than the substrate and is provided more to a ?Z axis direction side than the contact section, a first pressed section receiving a first pressing force with a component in the ?Z axis direction at a position more to the ?Y axis direction side than the contact section, and a second pressed section receiving a second pressing force with a component in the ?Z axis direction at a position more to the +Y axis direction side than the contact section.

Abstract: A liquid container for supplying a liquid to a liquid ejection apparatus comprises: a liquid chamber provided to store the liquid; an air chamber connected with the liquid chamber to introduce the outside air into the liquid chamber with consumption of the liquid in the liquid chamber; an open-air hole provided to introduce the outside air into the air chamber; and a liquid inlet provided to fill the liquid into the liquid chamber, wherein the liquid inlet is located at a lower position than the open-air hole, in a filling attitude of the liquid container in which the liquid is filled into the liquid chamber.

Abstract: The invention provides provide an ink jet ink exhibiting such an excellent ejection property that when an ink containing a polymer capable of improving the scratch resistance of a recorded article is used, the deviation of the ink-droplet impact point on a recording medium is prevented. The ink jet ink contains a polymer and a surfactant, wherein the acid value of the polymer is from 100 mg KOH/g or more to 220 mg KOH/g or less, the weight-average molecular weight of the polymer is from 3,000 or more to 10,000 or less, and the surfactant has a structure represented by the following formula (1) wherein n is a numerical value of from 3 or more to 27 or less, and m is a numerical value of from 16 or more to 31 or less.

Abstract: A wide-format color printer includes a carriage, an ink carrier (2) disposed on the carriage, a motor (3) for driving the carriage and a guide-rail frame (4). The motor is mounted on the carriage and a motor wheel (3-1) of the motor is fitted to a guide rail (4-1) of the guide-rail frame. An anti-friction strip (6) is disposed on the bottom of the guide rail. The carriage includes a carriage frame (1-1) and a motor holder (1-2). The ink carrier is buckled to a front end face of the carriage frame. The motor is fixed to the motor holder. The motor holder is connected to the carriage frame through an elastic member (5) on the top of the motor holder. The motor of the printer drives directly the carriage frame to move on the guide rail of the guide-rail frame reciprocally.

Abstract: A printing fluid cartridge includes a cartridge body, an electric interface, and a support member at which the electric interface is provided. The cartridge body is configured to hold the support member, such that the support member is movable relative to the cartridge body. A cartridge mounting portion includes a sandwiching portion configured to sandwich the support member.

Abstract: A method of refilling ink in an ink cartridge includes refilling the ink in the ink cartridge from a position at which a translucent part is provided in the ink cartridge, with the translucent part being used to optically detect an amount of the ink held in the ink cartridge.

Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilizing side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.

Abstract: A liquid supply device according to the invention includes a container which is filled with a liquid from a liquid storage portion, and the container includes a bottom surface portion, an upper surface portion, and a stirrer which moves in the bottom surface portion and stirs the liquid. The relationship between a height Ht in the vertical direction of a central portion in the container and a height Hb in the vertical direction of the stirrer satisfy the Expression: 0.40×Ht?Hb?0.90×Ht.

Abstract: A printing material supply system 10 includes a printer 50 equipped with a holder 600 and cartridges 20 that are detachably attached to the holder 600. The holder 600 has a first apparatus-side locking element 810 and a lever 800. The first apparatus-side locking element 810 is formed as part of the lever 800. The cartridge 20 has a first cartridge-side locking element 210 that includes a first locking surface 211 to engage with the first apparatus-side locking element 810. The first cartridge-side locking element 210 has an extended surface 219 that prevents a negative Z-axis end 818 of the lever 800 from running on the first locking surface 211.

Abstract: Aqueous ink for inkjet that contains water; a hydrosoluble organic solvent; a pigment; and a resin, wherein the hydrosoluble organic solvent comprises 2,3-butane diol having a total ratio of (2R, 3R) form and (2S, 3S) form of greater than 50% by weight in 2,3-butane diol, where (2R, 3R) form represents (2R, 3R)-(?)-2,3-butane diol and (2S, 3S) form represents (2S, 3S)-(+)-2,3-butane diol, wherein 2,3-butane diol accounts for 5% by weight to 40% by weight of the entire of the aqueous ink.

Abstract: An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 ?m on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.

Abstract: A liquid container that can be mounted to a mounting portion in a stable state is provided. An ink cartridge includes: a first surface that has formed therein a liquid supply opening through which the ink can flow from the ink chamber to the outside, and is on the side in the direction of insertion into the mounting portion; a second surface that opposes the first surface; a third surface that intersects the first surface and the second surface; a fourth surface that opposes the third surface; a fifth surface that intersects the first surface, the second surface, and the third surface; and a sixth surface that opposes the fifth surface. Protrusion portions are respectively provided on the fifth surface side and the sixth surface side of at least one of the third surface and the fourth surface, and the protrusion portions come into contact with the mounting portion.

Abstract: Aqueous ink for inkjet contains water; a hydrosoluble organic solvent; a pigment; and a resin, wherein the hydrosoluble organic solvent contains 2,3-butane diol having meso-2,3-butane diol in an amount of 50% by weight or more in 2,3-butane diol and 2,3-butane diol accounts for 5% by weight to 40% by weight of the entire of the aqueous ink.

Abstract: A liquid containing body includes a liquid containing vessel, and a casing member. The liquid containing vessel contains a liquid, and includes a supply member with a liquid supply opening that supplies the liquid to a liquid consumption apparatus. The casing member supports at least the supply member. The supply member has a cylindrical flow path section that defines the liquid supply opening. The casing member has a through hole forming section with a through hole. The cylindrical flow path section is insertable in the through hole. The casing member further has an engaging section that engages with the supply member to regulate movement of the cylindrical flow path section in an opposite direction to an insertion direction while the cylindrical flow path section is rotated with the insertion direction as an axial line in a state where the cylindrical flow path section is inserted in the through hole.

Abstract: An ink for inkjet includes water, a hydrosoluble organic material and a hydrodispersible colorant. The ink satisfies the following requirements (A) to (C): (A) the ink includes the hydrosoluble organic material in an amount of from 35 to 60% by weight; (B) the hydrosoluble organic material is 3-methoxy-1-butanol; and (C) the hydrodispersible colorant is a modified pigment modified with a geminal bisphosphonic acid group or a geminal bisphosphonic acid salt group.

Abstract: A liquid container can be smoothly mounted to a mounting portion, and the liquid container is reliably locked when mounting is complete. The liquid container includes: a first surface that is on a side in a direction of insertion (+Y direction); a second surface that opposes the first surface; a third surface that intersects the first surface and the second surface and has formed therein a groove portion that can engage with a lever member; a fourth surface that opposes the third surface; and lower protruding wall portions that are provided on at least one of the third surface and the fourth surface, and are positioned by guide surfaces of lower guide ribs of the mounting portion when the ink cartridge is locked by engagement of the groove portion with the lever member due to the ink cartridge moving in the direction of insertion into the mounting portion.

Abstract: A liquid cartridge is detachably attachable to an apparatus body of an image forming apparatus. The liquid cartridge includes a cartridge case, an information memory element, and a holding unit. The cartridge case includes at least two dividable case parts. The at least two dividable case parts form a front face of the cartridge case to face the apparatus body when the liquid cartridge is attached to the apparatus body. An information memory element is held at the front face of the cartridge case. The holding unit is provided in one of the at least two dividable case parts to hold the information memory element with only the one of the at least two dividable case parts. The holding unit includes a groove to receive the information memory element and a displaceable claw to hold the information memory element between the groove and the claw.

Abstract: A method for measuring the volume of liquid, such as ink or solvent, remaining in a container, such as a replacement cartridge for a continuous ink jet printer, uses a reservoir enclosing an internal space having a variable volume for storage. The reservoir is adapted to provide a reduction in the pressure of the internal space, the reduction substantially monotonically increasing in magnitude as liquid is drawn into the printer, such that the volume of liquid remaining may be calculated from knowledge of the minimum withdrawal pressure required to draw further liquid from the reservoir into the printer. Containers for use with the method have a liquid dispensing port adapted to allow liquid to be dispensed when a withdrawal pressure at the exterior of the port is less than the pressure of the internal space and adapted to prevent the ingress of air into the internal space of the reservoir as liquid is dispensed.

Abstract: An agitation kit includes an information-written medium and a liquid container. The liquid container contains a dispersion medium and settleable particles. The information-written medium includes information on a manner of agitating the particles in the dispersion medium.

Abstract: A fluid storage container enables the easy removal of recovered fluid and reuse of the container without incurring the added costs of disassembly and replacing an absorbent material. In one exemplary embodiment, an ink cartridge 17 can have an ink storage unit 45 that stores waste ink, an ink inlet/outlet 55 disposed in a frame part 52 that can be the outside wall of the ink storage unit 45, an ink path 53 of which one end 53a communicates with the ink inlet/outlet 55 and the other end 53b is disposed opening into the ink storage unit, wall parts 54 that divide the ink storage unit 45 into an upper air chamber 61 and a lower fluid chamber 62 that communicate with each other through a communication path 58, and an outside air channel 87, of which one end 87a communicates with the air chamber 61 and the other end 87b enables communication with the outside at a position further from the air chamber 61 than the fluid chamber 62. Other embodiments of fluid storage containers are also disclosed.

Abstract: An ink cartridge including a holding member and an ink bag to accommodate ink, wherein the ink cartridge is replenished with pigment ink having a pH higher than a pH of residual ink remaining in the ink cartridge.

Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface; a guide interface in the bottom face for guiding the cartridge along a straight line for connecting the interfaces; and a latch stop and a latch track disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure. The latch track includes a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track, the movement of the latch being along the locking track into a locked engagement position at insertion, and along the unlocking track into an unlocked position at ejection.

Abstract: The liquid container includes a liquid containing body having a flexible bag-shaped liquid containing section configured to contain liquid and a supply member that is connected to the liquid containing section and has a supply port configured to supply the liquid from the liquid containing section to an outside, and a case member configured to contain the liquid containing body. The case member has a first surface in which an opening section is formed to expose the supply port, and a second surface opposed to the first surface. The case member further has opposing sections that are opposed through the liquid containing section and are configured to contact with the liquid containing section in a position of a +Y-direction, which is a direction from the first surface to the second surface, than a joint section between the liquid containing section and the supply member.

Abstract: A liquid holding container includes an inlet port to which ink to be supplied to a printer is introduced. The liquid holding container has a first part where at least a portion is positioned to be outside the printer and a second part where at least a portion is inserted into the printer. At least a portion of the bottom section of the first part is lower than at least a portion of the bottom section of the second part.

Abstract: An attachment is mountable on a carriage in place of a liquid container that contains liquid and that is mounted on the carriage having a liquid jet head for jetting liquid, so that the attachment can supply liquid introduced from outside to the liquid jet head. The attachment has a pressure control means provided in a flow passage which is formed in an attachment body and through which the liquid introduced from the outside is supplied to the liquid jet head.

Abstract: A circuit substrate includes: a substrate body and an electrode. The substrate body has four sides including first and second sides extending in a first direction and opposing each other in a second direction. The substrate body has a top surface on which the electrode is mounted. The electrode has first and second outer points positioned closest to the first and second sides in the second direction respectively. The top surface has: a first area between the first side and a first imaginary line extending in the first direction and passing through the first outer point; a second area between the second side and a second imaginary line extending in the first direction and passing through the second outer point; and a third area interposed between the first area and the second area in the second direction, the substrate body being formed with a first opening in the first area.

Abstract: The liquid containing body includes a flexible member configured to contain liquid which is hardened by irradiation of ultraviolet light, a supply member that is connected to the flexible member and includes a supply port configured to supply the liquid to a liquid ejecting device from the flexible member, a first containing body that houses the flexible member and the supply member, and is transparent or translucent to allow the ultraviolet light to pass through, and a second containing body that houses the first containing body and is configured to block the ultraviolet light and visible light.

Abstract: A printer assembly includes a carrier module and a first guide element. The carrier module includes side portions extending in a first orientation and a mounting portion to receive an ink cartridge. The first guide element is removably mounted on the carrier module and includes protrusions, extending outward beyond each side portion, to slidably engage a guide structure of a carriage cavity during at least a portion of removable insertion of the carrier module into the carriage cavity.

Abstract: An ink composition contains a pigment; a copolymer comprising a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: Y/X?0.20??Relation 1 where X represents a peak intensity at a Bragg (2?±0.2°) angle in a range of 2? of from 26.5° to 27.5° and Y represents a peak intensity at a Bragg (2?±0.2°) angle in a range of 2? of from 11.0° to 11.5° to a CuK? X-ray having a wavelength of 1.541 ?.

Abstract: An ink accommodation body according to the invention is detachably attached to an ink jet recording apparatus, and is packaged with a package body, the ink accommodation body includes an ink accommodation portion that accommodates ink containing a base metal pigment; and an atmosphere opening portion that is connected to the ink accommodation portion at one end, and communicates with an atmosphere, and a hydrogen transmission amount of the package body is equal to or greater than 0.0001 ml/cm2·day·atm and equal to or less than 0.01 ml/cm2·day·atm.

Abstract: An ink composition contains a pigment; a copolymer containing a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: Y<X<0.8, where X represents a peak intensity at a Bragg (2?±0.2°) angle in a range of 2? of from 5.5° to 6.0° and Y represents a peak intensity at a Bragg (2?±0.2°) angle in a range of 2? of from 26.5° to 27.5° to a CuK? X-ray having a wavelength of 1.541 ?. where R each, independently represents monovalent groups selected from hydrogen atoms, methyl groups, or chlorine atoms.

Abstract: There is provided an ink composition which at least contains a first color material and a second color material, in which the first color material is a compound represented by Formula (A-I) described in the specification, and the second color material is at least one compound selected from a compound represented by Formula (B-I) described in the specification and a compound represented by Formula (B-V) described in the specification.

Abstract: A flow channel member to which an ink cartridge is removably mounted has a sealing member made of an elastic material around the entire periphery of an installation section of a flow channel member main body. The sealing member is integrally formed of: a top plane portion, where an end face of a leg portion abuts the top plane portion so as to define an enclosed space between an inner peripheral surface of the leg portion and an outer peripheral surface of the installation section; and an inner leg portion and an outer leg portion extending from edges of the top plane portion along the longitudinal axis of the installation section, and having end faces, abutting the flow channel member main body. Furthermore, the sealing member has curved thicker portions.

Abstract: Second and third outer surfaces intersect a first outer surface, and are spaced from each other. A sensor-signal output terminal is disposed on the first outer surface. A discharge port is disposed on the second outer surface. A channel member is closer to the second outer surface than a liquid storing section is. First and second directions are perpendicular to the first and second outer surfaces, respectively. A third direction is perpendicular to the first and second directions. When a space is divided by an imaginary line parallel to the first direction, as viewed from the third direction, into a first region in which the channel member is disposed and a second region in which the liquid storing section is disposed, the sensor and terminal are disposed in the first region. The liquid channel extends linearly in the second direction. The sensor and terminal are aligned in the first direction.

Abstract: A liquid containing chamber that supplies liquid to a liquid ejecting apparatus includes a first liquid container that is capable of containing the liquid and has a vertically long shape in a mounted position when mounted in the liquid ejecting apparatus, a first projection provided in the first liquid container and a first stirring member supported by the first projection, wherein when the first liquid container in the mounted position is divided into an upper container which is located above the first projection and a lower container which is located below the upper container, the lower container contains the liquid and the upper container contains the liquid and a predetermined amount of air.

Abstract: A cartridge includes a printing material supply port which is configured and arranged to be connected to a printing material supply pipe provided in a printing device. An effective area T of the printing material supply port is the same or more and five times or less than an effective area S of the printing material supply pipe. The effective area T may be set as two times or more and is 4.5 times or less than the effective area S. The effective area T may be set as three times or more and is four times or less than the effective area S.

Abstract: A liquid ink container having mating features for self alignment with an ink delivery station. The ink delivery station includes a receiver with an actuated puncture ring. The liquid ink container includes a cap that is punctured by the ring to allow fluid flow from the container. The receiver and container also include means for introducing pressurized gas into the container to facilitate evacuation of liquid ink.

Abstract: An ink for inkjet recording includes water; a hydrosoluble solvent, a pigment, and a copolymer including a salt of a diphosphonic acid group. The copolymer including a salt of a diphosphonic acid group includes structural units having the following formulae (1) and (2): X represents an alkylene group having 1 to 3 carbon atoms, each of R1 and R2 represents a hydrogen atom or a methyl group, M+ represents an alkali metal ion, an organic ammonium ion or a proton and Z1 represents a hydrocarbon group having 6 to 22 carbon atoms. The alkali metal ion or the organic ammonium ion and the proton may be mixed, and half or more of the M+ are alkali metal ions or the organic ammonium ions.

Abstract: Ink containing a pigment, an alcohol alkoxylate-based surfactant, a water-soluble organic solvent, water, and a dispersion agent represented by the following chemical structure 1, wherein the ink has a dynamic surface tension of 36 mN/m or less when the life of foam at 25° C. as measured by the maximum bubble pressure technique is 15 msec: where R1 represents an alkyl group having one to four carbon atoms, an aryl group, and an aralkyl group having one to eight carbon atoms, L represents zero or an integer of from 1 to 7, and n represents an integer of from 20 to 80.

Abstract: A liquid storage container includes a liquid storage part, a liquid supply part, a liquid outflow part, and a cover. The liquid storage part stores a liquid. The liquid supply part has a liquid supply port defining an opening by which the liquid is supplied to a liquid jet apparatus from the liquid storage part. The liquid outflow part is made of a porous material. The liquid outflow part is disposed inside of the liquid supply port and allows the liquid to flow out to the liquid jet apparatus from the liquid storage part. The cover includes a sealing part contacting with the liquid supply part and sealing off the liquid supply port, the sealing part and the liquid outflow part defining a space therebetween, and a contact part made of a non-porous material, the contact part contacting with a part of the liquid outflow part.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head, a mounting mechanism including a downstream flow path, a cartridge including an upstream flow path to be communicably connected to the downstream flow path when the cartridge is attached to the mounting mechanism and an annular projection, and configured to be mounted on the mounting mechanism by being made to pivot, a carriage that reciprocates in a predetermined stroke region carrying thereon the liquid ejecting head and the mounting mechanism, a liquid supply tube connecting between a liquid tank located outside the stroke region and the upstream flow path, and an elastic member of an annular shape having a larger outer diameter than that of the annular projection and a smaller inner diameter than that of the annular projection and disposed to surround a liquid introduction path, the elastic member including an abutment portion.

Abstract: A liquid ink container having mating features for self alignment with an ink delivery station. The ink delivery station includes a receiver with an actuated puncture ring. The liquid ink container includes a cap that is punctured by the ring to allow fluid flow from the container. The receiver and container also include means for introducing pressurized gas into the container to facilitate evacuation of liquid ink.

Abstract: A mounting member includes a position alignment member, an attachment member and a moving member. The position alignment member is positionally aligned with respect to a liquid consumption apparatus in three directions. The attachment member is attached to the position alignment member and includes an inner portion flow path and a liquid supply port. The moving member is attached to the attachment member, and configured and arranged to move according to pressure changes in the inner portion flow path. The moving member is disposed at a position that faces and contacts one end portion of a rod-shaped member provided in the liquid consumption apparatus when the mounting member is mounted in the liquid consumption apparatus so that displacement of the other end portion of the rod-shaped member is detected by a sensor that detects a liquid remaining amount state of the liquid supply source.

Abstract: An automatic vacuum ink container and its ink supply valve device and vacuum piston device. The ink container comprises a container cylinder, an ink supply valve mounted at one end of the container cylinder for opening and closing the passage of the ink, and a vacuum piston, mounted at the other end of the container cylinder and provided with more than one exhaust hole, for exhausting air when packaging ink and for pushing ink toward the ink supply valve when supplying ink. The ink supply valve comprises a valve lid and a valve sleeve; the valve lid can be pushed by ink to move forward to form a space for dispensing ink; two sloping sealing faces are provided respectively around the top of the valve sleeve and on the inner wall of the top of the valve lid. The exhaust pores are set through the vacuum piston longitudinally.