Patent application number | Description | Published |
20090246382 | INK SET FOR INKJET RECORDING, IMAGE RECORDING METHOD AND IMAGE RECORDING APPARATUS - The ink set for inkjet recording includes: a water-based ink containing pigment particles and 10 to 25 wt % of water-soluble high-boiling-point organic solvent having an SP value of not higher than 30; and a treatment liquid containing a fluidity reducing agent which reduces fluidity of the pigment particles by making contact with the water-based ink, and 10 to 25 wt % of water-soluble high-boiling-point organic solvent having an SP value of not higher than 30. | 10-01-2009 |
20100194815 | INKJET RECORDING APPARATUS AND METHOD - The inkjet recording apparatus includes: an inkjet head which forms an image on a recording surface of a recording medium by ejecting ink to be deposited to the recording surface; a roller member which rotates in contact with the recording surface of the recording medium on which the image has been formed; an oil supply device which supplies oil to the roller member, the oil suppressing adherence of the ink to the roller member; a medium holding device which has a medium holding surface on which the recording medium is held while the roller member on which the oil has been deposited is making contact with the recording surface of the recording medium; and a cleaning sheet supply device which supplies a cleaning sheet to the medium holding device when a size of the recording medium is changed and an image is to be formed on a recording surface of the recording medium of large size compared to a size of the recording medium used before the change of size, the cleaning sheet removing the oil adhering to the medium holding surface of the medium holding device. | 08-05-2010 |
20100225697 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes: a printing device which forms an image on a recording medium using ink containing at least pigment, a water-soluble organic solvent, resin particles and water; and a fixing device which makes contact with a surface of the recording medium on which the image is formed and applies heat and pressure to fix the image, wherein a minimum filming temperature (MFT | 09-09-2010 |
20110205265 | ABNORMALITY JUDGMENT APPARATUS AND ABNORMALITY JUDGMENT METHOD OF LIQUID SUPPLY SYSTEM - An abnormality judgment apparatus of a liquid supply system which supplies liquid from a liquid tank to a liquid ejection head via a liquid flow channel, includes: a pressure change application device which applies a pressure change to the liquid flow channel; first and second pressure measurement devices which measure a pressure in the liquid flow channel; and an abnormality judgment device which performs abnormality judgment and identification of an abnormal location in the liquid supply system, according to measurement values measured by the first and second pressure measurement devices before and after the pressure change is applied by the pressure change application device. | 08-25-2011 |
20120212539 | INK SET FOR INKJET RECORDING, IMAGE RECORDING METHOD AND IMAGE RECORDING APPARATUS - The ink set for inkjet recording includes: a water-based ink containing pigment particles and 10 to 25 wt % of water-soluble high-boiling-point organic solvent having an SP value of not higher than 30; and a treatment liquid containing a fluidity reducing agent which reduces fluidity of the pigment particles by making contact with the water-based ink, and 10 to 25 wt % of water-soluble high-boiling-point organic solvent having an SP value of not higher than 30. | 08-23-2012 |
Patent application number | Description | Published |
20090202723 | INKJET RECORDING LIQUID AND INKJET RECORDING METHOD - An inkjet recording liquid includes: water; a colorant; a first water-soluble organic solvent having a structure represented by the following Formula (1), an SP value of 27.5 or less, and a molecular weight of 100 to 210; and a second water-soluble organic solvent having a structure represented by the following Formula (2), an SP value of 27.5 or less, and a molecular weight of 240 to 2000, wherein the mass ratio of the content of the first water-soluble organic solvent to the content of the second water-soluble organic solvent is from 1:3 to 3:1: | 08-13-2009 |
20090202724 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - An ink composition, including: a water-soluble solvent A; a pigment; and water. The water-soluble solvent A contains at least a water-soluble solvent having an SP value of 27.5 or less at an amount of 90 mass % or more and a compound represented by the following Formula (1), wherein the compound represented by Formula (1) is the same as or different from the water-soluble solvent having an SP value of 27.5 or less: | 08-13-2009 |
20090220701 | LIQUID APPLICATION APPARATUS, IMAGE FORMING APPARATUS AND LIQUID APPLICATION METHOD - The liquid application apparatus applies liquid to media of a plurality of types having different widths in a widthwise direction that is perpendicular to a direction of conveyance of the media. The liquid application apparatus includes: a liquid application member which has an application surface applying the liquid to the media; and a liquid holding member which has a plurality of recesses arranged in the widthwise direction, a plurality of liquid supply ports arranged respectively in the recesses, and a plurality of liquid discharge ports arranged respectively in the recesses, the liquid holding member forming a plurality of liquid chambers with the recesses by abutting against the application surface of the liquid application member. The liquid is supplied through the liquid supply ports and discharged through the liquid discharge ports, respectively and independently for the liquid chambers as selected in accordance with one of the widths of the media so that the liquid is applied only to a region that is inside a range of the one of the widths of the media, of the application surface of the liquid application member. | 09-03-2009 |
20090235842 | INKJET RECORDING LIQUID - An inkjet recording liquid includes: water; at least one colorant; and a water-soluble organic solvent having an SP (solubility parameter) value of 27.5 or less at a content of 70 mass % or more with respect to the total amount of water-soluble organic solvent, wherein the water-soluble organic solvent having an SP value of 27.5 or less includes at least one water-soluble organic solvent having a molecular weight of from 240 to 1400 and represented by the following Formula (1) at a content of 70 mass % or more with respect to the amount of the water-soluble organic solvent having an SP value of 27.5 or less. | 09-24-2009 |
20100053239 | LIQUID APPLICATION APPARATUS AND METHOD, AND INKJET RECORDING APPARATUS - The liquid application apparatus includes: a drum which holds a sheet-shaped recording medium on a circumferential surface thereof and rotationally conveys the recording medium; a belt which is wrapped about at least a pair of rollers and makes contact with the recording medium held on the circumferential surface of the drum and rotationally conveyed; a belt travel device which causes the belt to travel; and an application liquid supply device which supplies an application liquid to a circumferential surface of the belt. The application liquid supplied to the circumferential surface of the belt is applied to the recording medium through the belt. | 03-04-2010 |
20100073440 | LIQUID APPLICATION APPARATUS AND METHOD, AND IMAGE FORMING APPARATUS - The liquid application apparatus includes: an application member which has an application surface to apply liquid to a medium; a holding member which holds the liquid in a liquid holding space formed by abutting against the application surface of the application member, the liquid supplied to the application surface by the holding member being applied to the medium by rotating the application surface of the application member; a storage device which stores the liquid, the storage device including a liquid cartridge having a filter to trap foreign matter contained in the liquid, the liquid cartridge being detachable with respect to the storage device; first and second flow channels which connect the storage device and the holding member; and a first liquid movement device which generates a flow of the liquid in a course including the first and second flow channels and the liquid holding space. | 03-25-2010 |
20120024395 | LIQUID SUPPLYING APPARATUS, LIQUID EJECTING APPARATUS AND PRESSURE CONTROL METHOD - A liquid supplying apparatus includes: a first flow channel configured to be switchable between a state of communication with a liquid supply object and a state of noncommunication with the liquid supply object; a first pressure applying device which applies pressure to liquid in the first flow channel; a first pressure absorbing device which absorbs a pressure fluctuation of the liquid in the first flow channel; a first measuring device which measures a pressure increase value in the first flow channel when the first pressure applying device is operated under a standard operating condition in which pressure in the first flow channel varies relatively moderately in proportion to a liquid feed amount to the first flow channel in the state of noncommunication where the liquid supply object and the first flow channel are not communicated with each other; a comparing device which compares the pressure increase value measured by the first measuring device with a predetermined pressure increase target value; and a pressure controlling device which controls the first pressure applying device according to a comparison result of the comparing device so as to correct the pressure applied into the first flow channel. | 02-02-2012 |
20130004652 | SEASONING APPARATUS AND METHOD - A seasoning apparatus includes: a table on which a stack of paper sheets is loaded, each of the paper sheets having at least one face on which active light curable aqueous ink has been deposited; an air blowing device which blows air in an air blowing direction to a side of the stack loaded on the table; an active light emission device which emits the active light in an active light emitting direction to a side of the stack loaded on the table; and a control device which causes the air blowing device to blow the air to the stack to create gaps between faces of the paper sheets, and causes the active light emission device to emit the active light to the stack to cause the active light to enter the gaps. | 01-03-2013 |
Patent application number | Description | Published |
20090085999 | COATER AND INK-JET RECORDING DEVICE USING THE SAME - The coater includes a liquid holding vessel holding a functional liquid, a coating roll having a surface, a part of which is immersed in the functional liquid in the liquid holding vessel, the coating roll having recesses for retaining the functional liquid, a coating roll rotating device rotating the coating roll, a liquid flow generator which flows a region of the functional liquid held in the liquid holding vessel where the functional liquid contacts the coating roll, in a direction opposite to a rotational direction of a portion of the coating roll which is immersed in the functional liquid within the liquid holding vessel, and a transport device transporting an object coated with the functional liquid upon contact with the coating roll. The coater is capable of uniformly coating a highly viscous functional liquid at a high speed. | 04-02-2009 |
20110316904 | LIQUID DROPLET CIRCULATION CONTROL APPARATUS, LIQUID DROPLET EJECTION APPARATUS, AND COMPUTER READABLE STORAGE MEDIUM - There is provided a liquid droplet circulation control apparatus including: a first circulation controller that sets a first circulation mode in which liquid is circulated with pressure control by driving a supply side pressure generator and a return side pressure generator, the supply side pressure generator supplying the liquid to the liquid droplet ejector and the return side pressure generator returning the liquid from the liquid droplet ejector; a second circulation controller that sets a second circulation mode in which the liquid is circulated by driving the supply side pressure generator and/or the return side pressure generator, such that the liquid is made to bypass at least the liquid droplet ejector; a selector that selects one or other circulation modes; and a setting unit that sets a circulation path of the liquid based on the selected circulation mode. | 12-29-2011 |
20120212551 | MATTING AGENT COATING DEVICE AND INKJET RECORDING DEVICE - In a matting agent coating device, a matting agent within a supplying section is supplied to a metering section. A supplied amount of matting agent at a surface of a metering roller is metered by a metering blade, and an excess amount is filtered at a slit portion. Matting agent is supplied to an application roller that is provided directly beneath. For example, a closed-cell sponge rubber is used as a material of the metering roller, and a size of closed cells is around 5 to 100 times an average particle diameter of the matting agent. The matting agent that has been supplied to a surface of the application roller is transferred and applied onto a recording medium. The matting agent is transferred from the application roller onto image portions of the recording medium due to tackiness of an ink film forming an image. | 08-23-2012 |
20130162742 | INKJET RECORDING APPARATUS - An aspect of the present invention provides an inkjet recording apparatus, including: a conveyance device which has a moving suctioning surface and which conveys a cut sheet medium by suctioning the medium on the suctioning surface, a concavoconvex pattern being formed in the suctioning surface by arranging recess sections regularly in the suctioning surface, and suction holes each having an opening smaller than a size of openings of the recess sections being formed inside the recess sections; and a recording head which forms an image by ejecting ink by an inkjet method onto a surface of the medium which is conveyed by the conveyance device. According to the aspect, it is possible to prevent floating and wrinkling of the medium during conveyance, and an image of high quality can be recorded. | 06-27-2013 |
20130208038 | LIQUID SUPPLYING MECHANISM, COMPUTER READABLE MEDIUM AND IMAGE FORMING APPARATUS - A liquid supplying mechanism includes a control unit that controls a first pressure adjusting unit and a second pressure adjusting unit by control parameters each having a given initial value on the basis of a supply pressure detected by a first detecting unit and a discharge pressure detected by a second detecting unit, respectively, so that the supply pressure is higher than the discharge pressure while a back pressure at a nozzle surface is maintained at a given value, and when deviations of the detected supply pressure and the detected discharge pressure with respect to the corresponding target pressure value exceed a given reference value, controls each of the first pressure adjusting unit and the second pressure adjusting unit by changing the control parameters from the initial values. | 08-15-2013 |