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公开(公告)号：US11628671B2
公开(公告)日：2023-04-18
申请号：US17123460
申请日：2020-12-16
发明人： Mitsugi Tanaka
摘要： There is provided a printing apparatus including: a head unit including two first heads and a second head; a support unit arranged to face the head unit and has a support surface; and a sensor arranged between a first virtual line extending in a conveyance direction so as to pass an end of a nozzle group area, of one of the two first heads, defined on a side of other of the two first heads and a second virtual line extending in the conveyance direction so as to pass an end of a nozzle group area, of the other of the two heads, defined on a side of the one of the two first heads, and arranged, in the conveyance direction, upstream of a nozzle group of the second head, the sensor including a projecting member which projects toward the supporting surface with respect to a nozzle surface.
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公开(公告)号：US20220379622A1
公开(公告)日：2022-12-01
申请号：US17664796
申请日：2022-05-24
摘要： A supply unit in which a liquid container including a coupling portion being detachably mounted includes: a liquid introduction unit coupled to the coupling portion of the liquid container; an urging member that urges the liquid container in an uncoupling direction which is a direction opposite to a coupling direction, the coupling direction being a direction in which the liquid container is coupled to the liquid introduction unit; and an engagement lever having an engaging portion that engages with the liquid container when the liquid container is coupled to the liquid introduction unit, the engagement lever includes an operating portion operated by a user and a pressing portion configured to press the liquid container and is configured to release the engagement of the engaging portion with the liquid container when the operating portion is operated and to press the liquid container in the uncoupling direction by the pressing portion.
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公开(公告)号：US11312138B2
公开(公告)日：2022-04-26
申请号：US16783384
申请日：2020-02-06
摘要： There is provided a liquid ejecting unit that ejects liquid from a plurality of nozzles, in which the planar shape of the ejecting face on which the nozzles are formed is a shape in which a first portion that passes through the center line parallel to the long side of the rectangle of the minimum area including the ejecting face and a second portion that does not pass through the center line are arranged in the direction of the long side.
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公开(公告)号：US11235573B2
公开(公告)日：2022-02-01
申请号：US17010093
申请日：2020-09-02
发明人： Yuya Tatematsu
摘要： In response to determining that a code image is to be formed such that a particular direction is same as a scanning direction, a controller performs divided recording processing of controlling a head and a carriage to: (a) record a plurality of first portions with liquid ejected from the head during a first movement of the head in the scanning direction; and (b) record a plurality of second portions with liquid ejected from the head during a second movement of the head in the scanning direction. The plurality of second portions are located at an at least partially different position from the plurality of first portions with respect to a conveyance direction. The second movement is a movement in a direction opposite the first movement. The second movement is performed after the first movement without performing conveyance processing between the first movement and the second movement.
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公开(公告)号：US11059988B2
公开(公告)日：2021-07-13
申请号：US16285365
申请日：2019-02-26
发明人： Ippei Okuda , Tsuyoshi Sano
摘要： An ink jet recording method is provided for a low or non-absorbable recording medium using a solution containing a colored ink, a clear ink, and an aggregating agent for aggregating constituents in the colored ink. The method includes: causing the solution containing the aggregating agent to adhere to the recording medium; and a main scanning in which the colored and the clear inks are ejected while relative positions of an ink jet head and the recording medium are changed to a main scanning direction, and a sub-scanning in which the relative positions of the ink jet head and the recording medium are changed to a sub-scanning direction. The main scanning involves a region where a recording region in which the colored ink is ejected in the main scanning and a recording region in which the clear ink is ejected in the main scanning overlap one another.
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公开(公告)号：US11034165B2
公开(公告)日：2021-06-15
申请号：US16784470
申请日：2020-02-07
发明人： Chigusa Sato , Midori Sekine , Kyohei Tanaka , Keitaro Nakano
IPC分类号： B41J2/15 , B41J2/21 , B41J11/00 , C09D11/38 , C09D11/322 , C09D11/328 , C08L39/04
摘要： An ink jet method includes: a discharging step of discharging a radiation-curable ink jet composition onto a recording medium at an ink weight per dot of 22 ng/dot or less by using an ink jet head having a nozzle density of 600 npi or more and configured to discharge the radiation-curable ink jet composition; and an irradiating step of irradiating, with radiation, the radiation-curable ink jet composition attached to the recording medium. The radiation-curable ink jet composition contains polymerizable compounds containing a monofunctional monomer and a multifunctional monomer. The monofunctional monomer includes a nitrogen-containing monofunctional monomer. The amount of the monofunctional monomer is 90 mass % or more relative to the total amount of the polymerizable compound. The amount of the nitrogen-containing monofunctional monomer is from 1 to 15 mass % relative to the total amount of the polymerizable compounds.
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公开(公告)号：US11014392B2
公开(公告)日：2021-05-25
申请号：US16506109
申请日：2019-07-09
发明人： Ippei Okuda , Mitsuaki Kosaka
摘要： According to the invention, there is provided a recording method which includes adhering an ink composition to a recording medium, and adhering a reaction liquid to the recording medium, the reaction liquid containing water and a reagent for aggregating or thickening components of the ink composition, and having a pH of 7 to 10. In the adhering of the reaction liquid, an epoxy-based adhesive is used for at least a portion of a reaction liquid passage for supplying the reaction liquid to an ink jet head, and a member in contact with the reaction liquid in the ink jet head, and the reaction liquid is discharged from the ink jet head so as to adhere to the recording medium.
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8.发明申请公开(公告)号：US20200346457A1
公开(公告)日：2020-11-05
申请号：US16934581
申请日：2020-07-21
申请人： Junichi Iwata , Takahiro Yoshida , Yukio Otome , Tomoaki Murakami
发明人： Junichi Iwata , Takahiro Yoshida , Yukio Otome , Tomoaki Murakami
摘要： A liquid discharge head includes a nozzle to discharge a liquid, an individual chamber communicating with the nozzle, a supply channel communicating with the individual chamber to supply the liquid to the individual chamber, and a discharge channel communicating with the individual chamber to discharge the liquid in the individual chamber. A fluid resistance of the supply channel is greater than a fluid resistance of the discharge channel.
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公开(公告)号：US10740662B2
公开(公告)日：2020-08-11
申请号：US16271313
申请日：2019-02-08
发明人： Takashi Doi
摘要： In a printing chip overlapping area being an area in which a first printing chip and a second printing chip overlap with each other when viewed from a second direction, ink is discharged so that a first overlapping area and a second overlapping area at least partially do not overlap with each other when viewed from the second direction. In the first overlapping area, a nozzle usage ratio of a first nozzle row and a nozzle usage ratio of a third nozzle row are neither 0% nor 100%. In the second overlapping area, a nozzle usage ratio of a second nozzle row and a nozzle usage ratio of a fourth nozzle row are neither 0% nor 100%.
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10.发明申请公开(公告)号：US20200207141A1
公开(公告)日：2020-07-02
申请号：US16728166
申请日：2019-12-27
发明人： Kenichi SEGUCHI
摘要： An ink jet recording method includes an ink attachment step, in which an aqueous ink composition is ejected from a recording head and attached to a recording medium, and a treatment liquid attachment step, in which a treatment liquid containing a flocculant is ejected from a recording head and attached to the recording medium. The recording head for ejecting the treatment liquid has a circulation channel in which the treatment liquid is circulated.
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