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公开(公告)号：US20200307230A1
公开(公告)日：2020-10-01
申请号：US16827408
申请日：2020-03-23
发明人： Noriyasu Nagai , Kenta Udagawa , Hiroki Hayashi , Hiroshi Koshikawa , Manabu Ohara , Shoki Takiguchi
IPC分类号： B41J2/175
摘要： A liquid storage bottle includes a bottle main body having a first cylindrical portion formed of a resin and a nozzle and has a second cylindrical portion formed of a resin and welded to the first cylindrical portion on an outer peripheral side of the first cylindrical portion. The first cylindrical portion includes an outer peripheral surface and a first annular surface extending radially outward from an axial end portion of the outer peripheral surface, the second cylindrical portion includes an inner peripheral surface facing the outer peripheral surface of the first cylindrical portion and a second annular surface which extends radially outward from an axial end portion of the inner peripheral surface and faces the first annular surface of the first cylindrical portion, and a peripheral wall portion extending in an axial direction is formed radially outside the second annular surfaces.
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公开(公告)号：US20200307228A1
公开(公告)日：2020-10-01
申请号：US16822837
申请日：2020-03-18
发明人： Shoki Takiguchi , Kenta Udagawa , Hiroki Hayashi , Hiroshi Koshikawa , Noriyasu Nagai , Manabu Ohara
摘要： A liquid storage bottle includes a bottle main body, a nozzle having a discharge port through which a liquid stored in the bottle main body is discharged, a cap mountable on the nozzle and a sealing unit sealing the discharge port when the cap is mounted on the nozzle. The sealing unit includes an annular first rib, an annular second rib and an annular third rib. The outer peripheral surface of the first rib is inclined with respect to the axial direction of the nozzle so that a diameter decreases toward a tip portion of the first rib and the inner peripheral surface of the third rib is inclined with respect to the axial direction of the cap so that a diameter increases toward a tip portion of the third rib.
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公开(公告)号：US20200307224A1
公开(公告)日：2020-10-01
申请号：US16820468
申请日：2020-03-16
发明人： Manabu Ohara , Kenta Udagawa , Hiroki Hayashi , Hiroshi Koshikawa , Noriyasu Nagai , Shoki Takiguchi
摘要： A liquid storage bottle includes a bottle body having a resin-made first cylindrical part at one end, the first cylindrical part having an opening at its front end, and a tubular nozzle for pouring out the liquid contained in the inside of the bottle body by way of the opening, the tubular nozzle having a resin-made second cylindrical part bonded to the bottle body. The inner peripheral surface of the second cylindrical part is welded to the outer peripheral surface of the first cylindrical part. The outer peripheral surface of the first cylindrical part is provided with an annular groove extending in the circumferential direction and the annular groove is made to contain a part of the resin that is molten during the bonding operation.
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公开(公告)号：US10569558B2
公开(公告)日：2020-02-25
申请号：US16013298
申请日：2018-06-20
发明人： Noriyasu Nagai , Koichi Kubo , Naozumi Nabeshima , Soji Kondo , Kazuya Yoshii
摘要： A liquid ejection head includes a liquid ejection portion configured to eject a liquid and a liquid supplying member. The liquid supplying member includes a first face, a second face that is the back face of the first face, a first connecting portion provided on the first face and fluidly connected to a main body, a second connecting portion provided on the second face and fluidly connected to the liquid ejection portion, and an interior channel communicating the first connecting portion and the second connecting portion. The interior channel includes a portion extending toward the first face and a portion extending toward the second face.
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公开(公告)号：US20190047287A1
公开(公告)日：2019-02-14
申请号：US16157356
申请日：2018-10-11
发明人： Shingo Okushima , Seiichiro Karita , Takatsuna Aoki , Noriyasu Nagai , Eisuke Nishitani , Yumi Komamiya
摘要： Provided is a liquid ejection head comprising: an ejection opening row along a first direction; a pressure chamber with print-element; a passage communicating with the pressure chamber; a supply opening row along the first direction with supply openings extending in a second direction to supply liquid to the passage; a collection opening row along the first direction with collection openings extending in the second direction to collect a liquid from the passage; a first common supply passage along the first direction to supply a liquid to the supply opening row; a first common collection passage along the first direction to collect a liquid from the collection opening row; a first supply side communication opening extending in the second direction to supply a liquid to the first common supply passage; and a first collection side communication opening extending in the second direction to collect a liquid from the first common collection passage, wherein at least one of the first supply side communication opening and the first collection side communication opening is provided at a plurality of positions.
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公开(公告)号：US20190001690A1
公开(公告)日：2019-01-03
申请号：US16013298
申请日：2018-06-20
发明人： Noriyasu Nagai , Koichi Kubo , Naozumi Nabeshima , Soji Kondo , Kazuya Yoshii
IPC分类号： B41J2/175
CPC分类号： B41J2/17563 , B41J2/14145 , B41J2/17523 , B41J2202/12 , B41J2202/14 , B41J2202/20
摘要： A liquid ejection head includes a liquid ejection portion configured to eject a liquid and a liquid supplying member 2220. The liquid supplying member 2220 includes a first face 2227, a second face 2228 that is the back face of the first face 2227, a first connecting portion 2241 provided on the first face 2227 and fluidly connected to a main body 1001, a second connecting portion 2242 provided on the second face 2228 and fluidly connected to the liquid ejection portion, and an interior channel communicating the first connecting portion 2241 and the second connecting portion 2242. The interior channel includes a portion 2246 extending toward the first face 2227 and a portion 2247 extending toward the second face 2228.
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公开(公告)号：US10040292B2
公开(公告)日：2018-08-07
申请号：US15863322
申请日：2018-01-05
CPC分类号： B41J2/175 , B41J2/1404 , B41J2/14145 , B41J2002/012 , B41J2002/14467 , B41J2202/12
摘要： A first passage layer is provided with a plurality of supply passages each communicating with one portion of each of a plurality of pressure chambers and a plurality of collection passages each communicating with the other portion of each of the plurality of pressure chambers. A second passage layer is provided with a common supply passage communicating with the plurality of supply passages and a common collection passage communicating with the plurality of collection passages.
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公开(公告)号：US10040290B2
公开(公告)日：2018-08-07
申请号：US15388430
申请日：2016-12-22
发明人： Shingo Okushima , Seiichiro Karita , Takatsuna Aoki , Noriyasu Nagai , Eisuke Nishitani , Yoshiyuki Nakagawa
摘要： A liquid ejection head includes an ejection opening; a passage in which an energy generation element is disposed; an ejection opening portion that allows communication between the ejection opening and the passage; a supply passage for allowing the liquid to flow into the passage; and an outflow passage for allowing the liquid to flow out to the outside. An expression of H−0.34×P−0.66×W>1.7 is satisfied when a height of the passage is set to H, a length of the ejection opening portion is set to P, and a length of the ejection opening portion is set to W.
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公开(公告)号：US20180154650A1
公开(公告)日：2018-06-07
申请号：US15888974
申请日：2018-02-05
发明人： Takatsuna Aoki , Seiichiro Karita , Shingo Okushima , Eisuke Nishitani , Yumi Komamiya , Kazuhiro Yamada , Zentaro Tamenaga , Noriyasu Nagai , Tatsurou Mori , Shuzo Iwanaga , Akio Saito , Akira Yamamoto
CPC分类号： B41J2/18 , B41J2/14145 , B41J2/17596 , B41J2002/012 , B41J2202/12 , B41J2202/20
摘要： A liquid discharge head includes discharge orifices, recording elements that generate energy, supply channels that supply liquid to the recording elements, a common supply channel communicating with the supply channels, recovery channels that recover liquid supplied to the recording elements, a common recovery channel that recovers liquid from the recovery channels, a first inlet port that supplies liquid to the common supply channel, a first recovery port that recovers liquid from the first common supply channel, a second inlet port that supplies liquid to the common recovery channel, and a second recovery port that recovers liquid from the second common recovery channel. The first inlet port and the first recovery port communicate without going through channel portions where recording elements are disposed, and the second inlet port and the second recovery port communicate without going through channel portions where recording elements are disposed.
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公开(公告)号：US09925792B2
公开(公告)日：2018-03-27
申请号：US15389301
申请日：2016-12-22
发明人： Takatsuna Aoki , Seiichiro Karita , Shingo Okushima , Eisuke Nishitani , Yumi Komamiya , Kazuhiro Yamada , Zentaro Tamenaga , Noriyasu Nagai , Tatsurou Mori , Shuzo Iwanaga , Akio Saito , Akira Yamamoto
CPC分类号： B41J2/18 , B41J2/14145 , B41J2/17596 , B41J2002/012 , B41J2202/12 , B41J2202/20
摘要： A liquid discharge head includes discharge orifices, recording elements that generate energy, supply channels that supply liquid to the recording elements, a common supply channel communicating with the supply channels, recovery channels that recover liquid supplied to the recording elements, a common recovery channel that recovers liquid from the recovery channels, a first inlet port that supplies liquid to the common supply channel, a first recovery port that recovers liquid from the first common supply channel, a second inlet port that supplies liquid to the common recovery channel, and a second recovery port that recovers liquid from the second common recovery channel. The first inlet port and the first recovery port communicate without going through channel portions where recording elements are disposed, and the second inlet port and the second recovery port communicate without going through channel portions where recording elements are disposed.
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