JP2005007720A5 - - Google Patents

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Publication number
JP2005007720A5
JP2005007720A5 JP2003173766A JP2003173766A JP2005007720A5 JP 2005007720 A5 JP2005007720 A5 JP 2005007720A5 JP 2003173766 A JP2003173766 A JP 2003173766A JP 2003173766 A JP2003173766 A JP 2003173766A JP 2005007720 A5 JP2005007720 A5 JP 2005007720A5
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JP
Japan
Prior art keywords
ink
recovery mechanism
ink supply
mechanism according
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2003173766A
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Japanese (ja)
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JP2005007720A (en
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Publication date
Application filed filed Critical
Priority to JP2003173766A priority Critical patent/JP2005007720A/en
Priority claimed from JP2003173766A external-priority patent/JP2005007720A/en
Publication of JP2005007720A publication Critical patent/JP2005007720A/en
Publication of JP2005007720A5 publication Critical patent/JP2005007720A5/ja
Pending legal-status Critical Current

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Claims (11)

インクを吐出する複数のノズルを持つ記録ヘッドと、
インクを貯蔵するインクカートリッジと、前記インクカートリッジから前記記録ヘッドへインクを加圧供給する加圧ポンプを備える第１のインク経路と、
前記記録ヘッドから前記インクカートリッジ迄の弁を含む第２のインク経路とを備えるインク供給・回復機構において、
前記弁を閉じた後前記加圧ポンプを駆動し、所定時間後前記弁を開放する弁開放手段をもつことを特徴とする記録ヘッドのインク供給・回復機構。A recording head having a plurality of nozzles for ejecting ink;
A first ink path comprising an ink cartridge for storing ink, and a pressurizing pump for pressurizing and supplying ink from the ink cartridge to the recording head;
An ink supply / recovery mechanism comprising a second ink path including a valve from the recording head to the ink cartridge;
An ink supply / recovery mechanism for a recording head, comprising: valve opening means for driving the pressure pump after closing the valve and opening the valve after a predetermined time. 記録動作時に、前記第１のインク経路と、第２のインク経路の少なくとも一方を開放する開放手段を有することを特徴とする請求項1に記載のインク供給・回復機構。  2. The ink supply / recovery mechanism according to claim 1, further comprising an opening unit that opens at least one of the first ink path and the second ink path during a recording operation. 前記第１及び第2のインク経路と、前記記録ヘッドとの間にフィルタ手段をさらに有することを特徴とする請求項1、2に記載のインク供給・回復機構。  3. The ink supply / recovery mechanism according to claim 1, further comprising a filter unit between the first and second ink paths and the recording head. 前記弁開放手段によって弁を開放するタイミングは前記加圧ポンプ停止直前か、もしくは停止直後であることを特徴とする請求項1から3に記載のインク供給・回復機構。  4. The ink supply / recovery mechanism according to claim 1, wherein a timing at which the valve is opened by the valve opening means is immediately before the pressurization pump is stopped or immediately after the stop. 前記弁開放手段によって弁を開放するタイミングは前記記録ヘッドのノズル近傍の正圧が所定値を下回った時であることを特徴とする請求項1から3に記載のインク供給・回復機構。  4. The ink supply / recovery mechanism according to claim 1, wherein the valve opening means opens the valve when the positive pressure in the vicinity of the nozzle of the recording head falls below a predetermined value. 前記インクカートリッジはインク貯蔵部と外部との開閉可能な大気連通口をもち、且つ前記大気連通口はインク供給回復機構が動作時に連通されていることを特徴とする請求項1から5に記載のインク供給・回復機構。  6. The ink cartridge according to claim 1, wherein the ink cartridge has an air communication port that can be opened and closed between an ink storage unit and the outside, and the air communication port communicates with an ink supply recovery mechanism during operation. Ink supply / recovery mechanism. 前記加圧ポンプはレシプロ方式のポンプであることを特徴とする請求項1から６に記載のインク供給・回復機構。The pressurizing pump ink supply and recovery mechanism according to 6 claim 1, characterized in that the pump reciprocating manner. 前記レシプロ方式のポンプの1周期加圧容量は加圧回復動作性能を満たす所要インク量より大であることを特徴とする請求項7に記載のインク供給・回復機構。  8. The ink supply / recovery mechanism according to claim 7, wherein the one-cycle pressurization capacity of the reciprocating pump is larger than a required ink amount satisfying the pressure recovery operation performance. 前記加圧ポンプはチューブポンプ方式であることを特徴とする請求項1から６に記載のインク供給・回復機構。Ink supply and recovery mechanism according to claims 1 to 6, characterized in that the pressure pump is a tube pump type. 前記加圧ポンプを駆動し所定時間後、逆転ことを特徴とする請求項9に記載のインク供給・回復機構。  10. The ink supply / recovery mechanism according to claim 9, wherein the pressurizing pump is driven and reversely rotated after a predetermined time. 請求項1から10に記載のインク供給・回復機構を備えた記録装置。  11. A recording apparatus comprising the ink supply / recovery mechanism according to claim 1.
JP2003173766A 2003-06-18 2003-06-18 Ink supply/recovery mechanism and recording device Pending JP2005007720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003173766A JP2005007720A (en) 2003-06-18 2003-06-18 Ink supply/recovery mechanism and recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003173766A JP2005007720A (en) 2003-06-18 2003-06-18 Ink supply/recovery mechanism and recording device

Publications (2)

Publication Number Publication Date
JP2005007720A JP2005007720A (en) 2005-01-13
JP2005007720A5 true JP2005007720A5 (en) 2005-08-04

Family

ID=34097496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003173766A Pending JP2005007720A (en) 2003-06-18 2003-06-18 Ink supply/recovery mechanism and recording device

Country Status (1)

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JP (1) JP2005007720A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4602116B2 (en) * 2005-02-25 2010-12-22 エスアイアイ・プリンテック株式会社 Ink jet recording apparatus, tube pump, and liquid feeding method
JP4789555B2 (en) * 2005-09-13 2011-10-12 キヤノン株式会社 Liquid dispenser
JP4687397B2 (en) * 2005-11-04 2011-05-25 セイコーエプソン株式会社 Liquid ejecting apparatus and pump control method thereof
JP2007216108A (en) * 2006-02-15 2007-08-30 Hitachi Plant Technologies Ltd Painting device
ES2399478B1 (en) * 2010-02-05 2014-02-06 Kerajet S.A. METHOD AND DEVICE OF FLUID SIMINIST.
CN113001100B (en) * 2021-02-27 2023-01-20 常州庆源机械科技有限公司 Efficient tool applied to rolling thin-wall structural member

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03161350A (en) * 1989-11-20 1991-07-11 Mita Ind Co Ltd Discharge restoring device for ink jet printer
JP2822586B2 (en) * 1990-04-19 1998-11-11 富士ゼロックス株式会社 inkjet printer
JPH0592578A (en) * 1991-10-02 1993-04-16 Canon Inc Ink jet recording apparatus
JP3106013B2 (en) * 1992-09-02 2000-11-06 キヤノン株式会社 Recovery method for inkjet recording device
JP3161095B2 (en) * 1992-11-06 2001-04-25 セイコーエプソン株式会社 Ink jet recording device
JPH10138511A (en) * 1996-11-11 1998-05-26 Canon Aptecs Kk Ink jet printer
JP2000015836A (en) * 1998-06-30 2000-01-18 Canon Aptex Inc Ink-jet recording apparatus
JP3631085B2 (en) * 2000-02-18 2005-03-23 キヤノンファインテック株式会社 Liquid circulation device for inkjet printer

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