JPS6169467A - 記録液滴吐出型記録装置 - Google Patents

記録液滴吐出型記録装置

Info

Publication number
JPS6169467A
JPS6169467A JP12683585A JP12683585A JPS6169467A JP S6169467 A JPS6169467 A JP S6169467A JP 12683585 A JP12683585 A JP 12683585A JP 12683585 A JP12683585 A JP 12683585A JP S6169467 A JPS6169467 A JP S6169467A
Authority
JP
Japan
Prior art keywords
liquid
ink
recording
orifice
heated
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.)
Granted
Application number
JP12683585A
Other languages
English (en)
Other versions
JPS6159916B2 (ja
Inventor
Shizuo Saito
斎藤　静雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP12683585A priority Critical patent/JPS6169467A/ja
Publication of JPS6169467A publication Critical patent/JPS6169467A/ja
Publication of JPS6159916B2 publication Critical patent/JPS6159916B2/ja
Granted legal-status Critical Current

Links

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
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14032—Structure of the pressure chamber
    • B41J2/14064—Heater chamber separated from ink chamber by a membrane

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は熱エネルギを利用してインク液滴を記＃１媒体
に向けて飛翔させる形式の記録装置に関する。
（従来技術） タンクと吐出口を結ぶ波路内に圧ＴＬ素子を配設し、こ
れに信号電圧を印加して歪ませることにより流路内のイ
ンクを加圧して、その一部を吐出口よりインク液滴とし
て記録媒体上にａｊ７出させるようにしたオンデマンド
型のインクジェット記録装置は、記録時に騒音が発生し
ないことと、普通紙上への記録が可能な点で優れている
が、反面、圧電素子の歪量が小さいために所要粒径のイ
ンク液滴を吐出させるには素子の有効面積を大さくしな
ければならず、多数の吐出口を高密度に配列するのが困
難！あるといった問題を有するほか、素子が復元する際
に吸引されたインクが復帰するのに時間を要するため、
記録速度を上げることがで！ないといった問題を有して
いる。
（目的） 本発明はかかる問題に鑑みてなされたもので、その目的
とするところは、装置の小型化と高速記録が可能な新た
な記録装置を提供することにある。
（目的達成のための手段） すなわち、本発明はかかる目的を達成すべく、記録液体
流路の液滴吐出用オリフィス近傍に、弾性に富む圧力伝
達板によって密閉した加圧室を設けるとともに、ａｋ加
圧室に、内側に封入した被加熱液体を記録信号に応じて
加熱する加熱手段を設けた記録液滴吐出型記録装置にあ
る。
（実施例） そこで以下に本発明の詳細を図示した実施例に基づいて
説明する。
図面は本発明に係る記録装置の概要を示したもので、ヘ
ッドｌを構成するハウジング２には、一端が管３を介し
てインクタンク４と連通ずるインク室５が設けられ、ま
た、このインク室５の他端はインク液滴を吐出するオリ
フィス６として形成された上、この内側には、オリフィ
ス６と対向させて弾力性に富んだ圧力伝達板７により密
閉した加圧室８が設けられている。
この圧力室８は、インク室５内に供給されたインクａを
記録信号に応じて加圧し、その一部をオリフィス６より
液滴として図示しない記録媒体上に吐出するためΩもの
で、その内側には、アルコール系もしくは水性、有機溶
剤等の沸点の低い′（被加熱液体すが封入され、さらに
ここには抵抗体よりなる発熱体９が配設され、その両端
に設けた電極１０．１０を介して印加される信号電圧に
より発熱して、被加熱液体すを加熱気化させるように構
成されている。
このように構成された実施例において、いま加圧室８内
に設けた発熱体９に信号電圧を印加すると、そこに封入
された低沸点の被加熱液体すは急激に加熱されて気化し
、その際の体１＆膨張により圧力伝達板７を図中破線で
示したよ−うに外方へ膨出させ、それまでその前方のオ
リフィス６部分でメニスカスを形成して安定的に位置し
ていたインクａをインク液滴として図示しない記録媒体
に向けて噴出させる。
そしてオリフィス６からインク液滴が噴出すると、イン
ク室５内の圧力低下に伴ってここにはインクタンク４よ
り新たなインクが供給され、これが圧力伝達板７を介し
て気化した被加熱液体すを冷却し、これを再び液体に戻
すとともに、自己はオリフィス６内面との間で新たなメ
ニスカスをいち早く形成して次の記録のための体勢を整
える。
（効果） 以上述べたように本発明によれば、オリフィス近傍に設
けた加圧室内の被加熱液体を加熱気化し、その際の体積
膨張を利用してオリフィスから記録液体を液滴として吐
出させるようにしたので、記録液体を直接加圧するため
の機構を不要となしてこの種の記録装置の大巾な小型化
を可能にすると同時に、被加熱液体に低沸点の液体を使
用することにより消費電力の大巾な節減を図ることがで
きる。
しかも、被加熱液体の加熱気化をもって間接的に記録液
体を吐出するようにしたので、記録液体の変質を防ぐと
同時に、被加熱液体の反復使用を図ることができる。
【図面の簡単な説明】
図面は本発明の一実施例を示す装置の概要構成図である
。 １・・・・ヘッド　　　　　２・・・・ハウジング５・
・・・インク室　　　　６・・・・オリフィス７・・・
・圧力伝達板　　　８・・・・加圧室９・・・・発熱体
　　　　　ａ・・・・インクｂ・・・・被加熱液体

Claims (1)

    【特許請求の範囲】
  1. 記録液体流路の液滴吐出用オリフィス近傍に、弾性に富
    む圧力伝達板によって密閉した加圧室を設けるとともに
    、該加圧室に、内側に封入した被加熱液体を記録信号に
    応じて加熱する加熱手段を設けたことを特徴とする記録
    液滴吐出型記録装置。
JP12683585A 1985-06-11 1985-06-11 記録液滴吐出型記録装置 Granted JPS6169467A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12683585A JPS6169467A (ja) 1985-06-11 1985-06-11 記録液滴吐出型記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12683585A JPS6169467A (ja) 1985-06-11 1985-06-11 記録液滴吐出型記録装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP7057278A Division JPS54161935A (en) 1978-06-12 1978-06-12 Ink jet printer

Publications (2)

Publication Number Publication Date
JPS6169467A true JPS6169467A (ja) 1986-04-10
JPS6159916B2 JPS6159916B2 (ja) 1986-12-18

Family

ID=14945078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12683585A Granted JPS6169467A (ja) 1985-06-11 1985-06-11 記録液滴吐出型記録装置

Country Status (1)

Country Link
JP (1) JPS6169467A (ja)

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EP0811492A2 (en) * 1996-06-07 1997-12-10 Canon Kabushiki Kaisha Liquid discharge method and liquid discharge apparatus
EP0816083A2 (en) * 1996-06-27 1998-01-07 Samsung Electronics Co., Ltd. Ink spraying device and method
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EP0841166A2 (en) * 1996-11-08 1998-05-13 SAMSUNG ELECTRONICS Co. Ltd. Spray device for ink-jet printer
US5821962A (en) * 1995-06-02 1998-10-13 Canon Kabushiki Kaisha Liquid ejection apparatus and method
EP0873870A2 (en) * 1997-04-22 1998-10-28 SAMSUNG ELECTRONICS Co. Ltd. Device for storing and supplying active liquid in an ink jet printhead
EP0882590A2 (en) 1997-06-06 1998-12-09 Canon Kabushiki Kaisha A liquid discharging method, a liquid discharge head, and a liquid discharge apparatus
US6003978A (en) * 1995-09-22 1999-12-21 Canon Kabushiki Kaisha Liquid discharge method, liquid discharging head, liquid discharging apparatus, liquid container and head cartridge
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US6027205A (en) * 1996-01-31 2000-02-22 Neopost Limited Ink jet printing device
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US6062671A (en) * 1996-07-12 2000-05-16 Canon Kabushiki Kaisha Liquid ejection apparatus and a recovery method thereof
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