JP7047454B2 - 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 - Google Patents
液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 Download PDFInfo
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- JP7047454B2 JP7047454B2 JP2018030449A JP2018030449A JP7047454B2 JP 7047454 B2 JP7047454 B2 JP 7047454B2 JP 2018030449 A JP2018030449 A JP 2018030449A JP 2018030449 A JP2018030449 A JP 2018030449A JP 7047454 B2 JP7047454 B2 JP 7047454B2
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14233—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14274—Structure of print heads with piezoelectric elements of stacked structure type, deformed by compression/extension and disposed on a diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/18—Ink recirculation systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/18—Ink recirculation systems
- B41J2/185—Ink-collectors; Ink-catchers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14419—Manifold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/11—Embodiments of or processes related to ink-jet heads characterised by specific geometrical characteristics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/12—Embodiments of or processes related to ink-jet heads with ink circulating through the whole print head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/20—Modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/21—Line printing
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Description
液体を吐出する複数のノズルと、
前記複数のノズルに各々連通する複数の個別液室と、
前記複数の個別液室に通じる共通供給流路と、
前記複数の個別液室に通じる共通回収流路と、を備え、
前記共通供給流路及び前記共通回収流路の少なくともいずれか一方の少なくとも一部は、前記個別液室を鉛直方向に投影したとき、前記個別液室と重なる位置に配置されていて、
前記共通供給流路は、前記共通回収流路よりも前記ノズルに近い位置に配置されている構成とした。
する。
1 ノズル板
4 ノズル
2 流路板
3 振動板部材
6 個別液室
8 個別供給流路
10 共通供給流路
20 フレーム部材
50 共通回収流路
58 個別回収流路
403 キャリッジ
440 液体吐出ユニット
500 印刷装置(液体を吐出する装置)
550 ヘッドユニット
600 液体循環装置
Claims (8)
- 液体を吐出する複数のノズルと、
前記複数のノズルに各々連通する複数の個別液室と、
前記複数の個別液室に通じる共通供給流路と、
前記複数の個別液室に通じる共通回収流路と、を備え、
前記共通供給流路及び前記共通回収流路の少なくともいずれか一方の少なくとも一部は、前記個別液室を鉛直方向に投影したとき、前記個別液室と重なる位置に配置されていて、
前記共通供給流路は、前記共通回収流路よりも前記ノズルに近い位置に配置されている
ことを特徴とする液体吐出ヘッド。 - 前記共通供給流路は、ノズル配列方向と直交する方向において、前記個別液室の前記ノズルに通じる側と反対側で個別供給流路を介して前記個別液室に連通し、
前記共通回収流路は、前記共通供給流路を挟んで前記個別液室と反対側に配置された個別回収流路を通じて前記個別液室に通じている
ことを特徴とする請求項1に記載の液体吐出ヘッド。 - 液体吐出方向を鉛直方向下向きとするとき、前記共通供給流路及び前記共通回収流路の少なくともいずれか一方の少なくとも一部が、前記個別液室の鉛直方向下側に配置される
ことを特徴とする請求項1又は2に記載の液体吐出ヘッド。 - 液体吐出方向を鉛直方向下向きとするとき、前記共通供給流路は、鉛直方向上側で前記個別液室に連通される
ことを特徴とする請求項1ないし3のいずれかに記載の液体吐出ヘッド。 - 液体吐出方向を鉛直方向下向きとするとき、前記共通回収流路は、鉛直方向下側で前記個別液室に連通される
ことを特徴とする請求項1ないし4のいずれかに記載の液体吐出ヘッド。 - 請求項1ないし5のいずれかに記載の液体吐出ヘッドを含むことを特徴とする液体吐出ユニット。
- 前記液体吐出ヘッドに供給する液体を貯留するヘッドタンク、前記液体吐出ヘッドを搭載するキャリッジ、前記液体吐出ヘッドに液体を供給する供給機構、前記液体吐出ヘッドの維持回復を行う維持回復機構、前記液体吐出ヘッドを主走査方向に移動させる主走査移動機構の少なくともいずれか一つと前記液体吐出ヘッドとを一体化した
ことを特徴とする請求項6に記載の液体吐出ユニット。 - 請求項1ないし5のいずれかに記載の液体吐出ヘッド、又は、請求項6若しくは7に記載の液体吐出ユニットを備えていることを特徴とする液体を吐出する装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2018030449A JP7047454B2 (ja) | 2018-02-23 | 2018-02-23 | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
US16/274,380 US10737491B2 (en) | 2018-02-23 | 2019-02-13 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus |
Applications Claiming Priority (1)
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JP2018030449A JP7047454B2 (ja) | 2018-02-23 | 2018-02-23 | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
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JP2019142174A JP2019142174A (ja) | 2019-08-29 |
JP7047454B2 true JP7047454B2 (ja) | 2022-04-05 |
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JP2018030449A Active JP7047454B2 (ja) | 2018-02-23 | 2018-02-23 | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
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JP (1) | JP7047454B2 (ja) |
Families Citing this family (5)
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JP7131317B2 (ja) | 2018-11-13 | 2022-09-06 | 株式会社リコー | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
JP7183822B2 (ja) | 2019-01-28 | 2022-12-06 | 株式会社リコー | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
JP2020179619A (ja) * | 2019-04-26 | 2020-11-05 | セイコーエプソン株式会社 | 液体噴射ヘッドおよび液体噴射装置 |
JP7287155B2 (ja) * | 2019-07-09 | 2023-06-06 | ブラザー工業株式会社 | 液体吐出ヘッド及び液体吐出装置 |
JP2022024739A (ja) | 2020-07-28 | 2022-02-09 | 株式会社リコー | 液体吐出ヘッド、液体吐出ユニット及び液体を吐出する装置 |
Citations (4)
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JP2010194750A (ja) | 2009-02-23 | 2010-09-09 | Fujifilm Corp | インクジェットヘッド及びインクジェット記録方法 |
JP2011520671A (ja) | 2008-05-23 | 2011-07-21 | 富士フイルム株式会社 | 流体液滴吐出 |
US20110228011A1 (en) | 2010-03-18 | 2011-09-22 | Tadashi Kyoso | Restriction Of Fluid Ejector Membrane |
JP2016124191A (ja) | 2014-12-27 | 2016-07-11 | 株式会社リコー | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
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EP0573256B1 (en) * | 1992-06-04 | 1997-03-26 | Tektronix, Inc. | Drop-on-demand ink jet print head having improved purging performance |
JP4872649B2 (ja) | 2006-12-18 | 2012-02-08 | 富士ゼロックス株式会社 | 液滴吐出ヘッドおよび液滴吐出装置 |
JP5430316B2 (ja) | 2009-09-18 | 2014-02-26 | 富士フイルム株式会社 | 画像形成方法 |
JP5615307B2 (ja) | 2012-02-14 | 2014-10-29 | 富士フイルム株式会社 | 液滴吐出装置 |
JP5764601B2 (ja) | 2013-03-27 | 2015-08-19 | 富士フイルム株式会社 | 液体吐出ヘッド及び液体吐出装置 |
JP6603981B2 (ja) | 2013-09-05 | 2019-11-13 | 株式会社リコー | 液体吐出ヘッド、液体吐出装置、及び画像形成装置 |
AU2015375735B2 (en) | 2015-01-06 | 2019-02-14 | Ricoh Company, Ltd. | Liquid-discharging head, liquid-discharging unit, and device for discharging liquid |
JP2017056664A (ja) | 2015-09-18 | 2017-03-23 | コニカミノルタ株式会社 | インクジェットヘッド、インクジェット記録装置及びインクジェットヘッドの製造方法 |
JP6593087B2 (ja) | 2015-10-19 | 2019-10-23 | 株式会社リコー | 液滴吐出ヘッド及び画像形成装置 |
US10160216B2 (en) | 2015-11-04 | 2018-12-25 | Ricoh Company, Ltd. | Droplet discharge head and image forming apparatus incorporating same |
JP6781942B2 (ja) | 2015-11-04 | 2020-11-11 | 株式会社リコー | 液滴吐出ヘッド及び画像形成装置 |
US10105944B2 (en) | 2016-09-14 | 2018-10-23 | Ricoh Company, Ltd. | Liquid discharge head, liquid discharge device, and liquid discharge apparatus |
-
2018
- 2018-02-23 JP JP2018030449A patent/JP7047454B2/ja active Active
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2019
- 2019-02-13 US US16/274,380 patent/US10737491B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011520671A (ja) | 2008-05-23 | 2011-07-21 | 富士フイルム株式会社 | 流体液滴吐出 |
JP2010194750A (ja) | 2009-02-23 | 2010-09-09 | Fujifilm Corp | インクジェットヘッド及びインクジェット記録方法 |
US20110228011A1 (en) | 2010-03-18 | 2011-09-22 | Tadashi Kyoso | Restriction Of Fluid Ejector Membrane |
JP2016124191A (ja) | 2014-12-27 | 2016-07-11 | 株式会社リコー | 液体吐出ヘッド、液体吐出ユニット、液体を吐出する装置 |
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US20190263119A1 (en) | 2019-08-29 |
JP2019142174A (ja) | 2019-08-29 |
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