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公开(公告)号：US20210187952A1
公开(公告)日：2021-06-24
申请号：US17119299
申请日：2020-12-11
申请人： Takayuki HASE , Taku HATAKEYAMA , Takashi WATANABE
发明人： Takayuki HASE , Taku HATAKEYAMA , Takashi WATANABE
IPC分类号： B41J2/165
摘要： A wiping device includes a first web material, a second web material, and a pressing member. The second web material is different from the first web material. The pressing member presses the first web material and the second web material to a target to be wiped. The first web material and the second web material are overlaid on top of one another and pressed against the target to be wiped.
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公开(公告)号：US20210094319A1
公开(公告)日：2021-04-01
申请号：US17027768
申请日：2020-09-22
摘要： An image forming apparatus contains an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, the head including a nozzle surface, wherein a first distance between positions of two consecutive droplets of the ink discharged from the head on the first fabric is shorter than a second distance between positions of two consecutive droplets of the ink discharged from the head on the second fabric.
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公开(公告)号：US10696069B2
公开(公告)日：2020-06-30
申请号：US16293699
申请日：2019-03-06
申请人： Taku Hatakeyama , Takashi Watanabe , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
发明人： Taku Hatakeyama , Takashi Watanabe , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
摘要： A liquid discharge apparatus includes a conveyance path, a liquid discharge head, and a drying device. A medium is to be conveyed on the conveyance path. The liquid discharge head discharges liquid onto the medium conveyed on the conveyance path. The conveyance path includes a switchback path and an ejection path. The switchback path switches back a conveyance direction of the medium onto which the liquid has been discharged. The ejection path conveys the medium onto which the liquid has been discharged to an ejection port. The drying device dries the medium both on the switchback path and on the ejection path.
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公开(公告)号：US10654292B2
公开(公告)日：2020-05-19
申请号：US16351577
申请日：2019-03-13
申请人： Taku Hatakeyama , Takashi Watanabe , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
发明人： Taku Hatakeyama , Takashi Watanabe , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
摘要： A liquid discharge apparatus includes a conveyance path, a liquid discharge head, an ejection tray, and a drying device. A medium is conveyed in the conveyance path. The liquid discharge head discharges liquid onto the medium conveyed in the conveyance path. The medium is ejected to the ejection tray. The drying device dries the medium. The conveyance path includes a first bending portion to bend the medium, with a liquid-applied surface of the medium facing inward. The ejection tray includes a second bending portion to bend the medium, with the liquid-applied surface of the medium facing inward. A curvature of the medium bent by the first bending portion is greater than a curvature of the medium bent by the second bending portion. The drying device dries the medium conveyed in the first bending portion.
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公开(公告)号：US20190283460A1
公开(公告)日：2019-09-19
申请号：US16351577
申请日：2019-03-13
申请人： Taku HATAKEYAMA , Takashi WATANABE , Kaoru TADOKORO , Sho OYAMATSU , Tomohiro INOUE , Hiroshi GOTOU , Mio KUMAI
发明人： Taku HATAKEYAMA , Takashi WATANABE , Kaoru TADOKORO , Sho OYAMATSU , Tomohiro INOUE , Hiroshi GOTOU , Mio KUMAI
IPC分类号： B41J11/00
摘要： A liquid discharge apparatus includes a conveyance path, a liquid discharge head, an ejection tray, and a drying device. A medium is conveyed in the conveyance path. The liquid discharge head discharges liquid onto the medium conveyed in the conveyance path. The medium is ejected to the ejection tray. The drying device dries the medium. The conveyance path includes a first bending portion to bend the medium, with a liquid-applied surface of the medium facing inward. The ejection tray includes a second bending portion to bend the medium, with the liquid-applied surface of the medium facing inward. A curvature of the medium bent by the first bending portion is greater than a curvature of the medium bent by the second bending portion. The drying device dries the medium conveyed in the first bending portion.
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公开(公告)号：US20190275811A1
公开(公告)日：2019-09-12
申请号：US16293699
申请日：2019-03-06
申请人： Taku HATAKEYAMA , Takashi WATANABE , Kaoru TADOKORO , Sho OYAMATSU , Tomohiro INOUE , Hiroshi GOTOU , Mio KUMAI
发明人： Taku HATAKEYAMA , Takashi WATANABE , Kaoru TADOKORO , Sho OYAMATSU , Tomohiro INOUE , Hiroshi GOTOU , Mio KUMAI
摘要： A liquid discharge apparatus includes a conveyance path, a liquid discharge head, and a drying device. A medium is to be conveyed on the conveyance path. The liquid discharge head discharges liquid onto the medium conveyed on the conveyance path. The conveyance path includes a switchback path and an ejection path. The switchback path switches back a conveyance direction of the medium onto which the liquid has been discharged. The ejection path conveys the medium onto which the liquid has been discharged to an ejection port. The drying device dries the medium both on the switchback path and on the ejection path.
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公开(公告)号：US20210094294A1
公开(公告)日：2021-04-01
申请号：US17027763
申请日：2020-09-22
摘要： An image forming apparatus includes an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink, and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, wherein the droplet of the ink discharged to the first fabric is larger than the droplet of the ink discharged to the second fabric.
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公开(公告)号：US20210063427A1
公开(公告)日：2021-03-04
申请号：US17004684
申请日：2020-08-27
摘要： A liquid surface imaging device includes an irradiator including a plurality of lightings, the irradiator configured to irradiate a liquid surface in a nozzle of a liquid discharge head with lights emitted from the plurality of lightings, and an imaging device configured to image the liquid surface. The plurality of lightings is arranged point-symmetrically with a center of the irradiator as a point of symmetry.
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公开(公告)号：US10807378B2
公开(公告)日：2020-10-20
申请号：US16293701
申请日：2019-03-06
申请人： Takashi Watanabe , Taku Hatakeyama , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
发明人： Takashi Watanabe , Taku Hatakeyama , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
摘要： An ink set comprises black ink having a static surface tension A and yellow ink having a static surface tension B, wherein the static surface tension A is 28.7 mN/m or more and greater than the static surface tension B, wherein the ink set is used in an image forming device including an inkjet head including a nozzle plate including a first nozzle array and a second nozzle array disposed adjacent to the first nozzle array, the first nozzle array including multiple first nozzles configured to discharge the black ink and a second nozzle array including multiple second nozzles configured to discharge the yellow ink wherein each nozzle of the multiple first nozzles and the multiple second nozzles has a cylindrical portion having a length of 25 μm or longer along an axial direction with an opening on an ink discharging side of the nozzle plate.
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公开(公告)号：US20190275818A1
公开(公告)日：2019-09-12
申请号：US16293694
申请日：2019-03-06
申请人： Takashi WATANABE , Taku Hatakeyama , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
发明人： Takashi WATANABE , Taku Hatakeyama , Kaoru Tadokoro , Sho Oyamatsu , Tomohiro Inoue , Hiroshi Gotou , Mio Kumai
IPC分类号： B41M5/00 , B41J2/155 , B41J2/21 , C09D11/40 , C09D11/033
摘要： An ink set comprises black ink having a static surface tension A and yellow ink having a static surface tension B, wherein the static surface tension A is by 0.6 mN/m or more greater than the static surface tension B, wherein the ink set is used in an image forming device including an inkjet head including a nozzle plate including a first nozzle array and a second nozzle array disposed adjacent to the first nozzle array, the first nozzle array including multiple first nozzles configured to discharge the black ink and a second nozzle array including multiple second nozzles configured to discharge the yellow ink, wherein each nozzle of the multiple first nozzles and the multiple second nozzles has a cylindrical portion having a length of 25 μm or longer along an axial direction with an opening on an ink discharging side of the nozzle plate.
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