CA2209877A1 - A liquid discharging method accompanied by the displacement of a movable member, a liquid jet head for implementing such method, and a liquid jet apparatus for the implementation thereof - Google Patents

A liquid discharging method accompanied by the displacement of a movable member, a liquid jet head for implementing such method, and a liquid jet apparatus for the implementation thereof

Info

Publication number
CA2209877A1
CA2209877A1 CA002209877A CA2209877A CA2209877A1 CA 2209877 A1 CA2209877 A1 CA 2209877A1 CA 002209877 A CA002209877 A CA 002209877A CA 2209877 A CA2209877 A CA 2209877A CA 2209877 A1 CA2209877 A1 CA 2209877A1
Authority
CA
Canada
Prior art keywords
movable member
free end
area
displacement
liquid jet
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
CA002209877A
Other languages
French (fr)
Other versions
CA2209877C (en
Inventor
Sadayuki Sugama
Akira Asai
Hiroyuki Ishinaga
Toshio Kashino
Kiyomitsu Kudo
Hiroyuki Sugiyama
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of CA2209877A1 publication Critical patent/CA2209877A1/en
Application granted granted Critical
Publication of CA2209877C publication Critical patent/CA2209877C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41J2/14048—Movable member in the chamber
    • 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
    • B41J2/14088—Structure of heating means
    • B41J2/14112—Resistive element
    • B41J2/14129—Layer structure
    • 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

Abstract

A liquid discharging method comprises the step of displacing the free end of the movable member following the creation of air bubble in the air bubble generating area. For this method, the fulcrum of the movable member is positioned on the side different from liquid discharging side with respect to the displacement area for the free end of the movable member to be displaceable, and at the same time, the free end thereof is arranged to face the effective bubbling area positioned on the downstream side of the central portion of the length of the effective bubbling area that forms the bubble generating area in the direction of the movable member from the fulcrum to the free end thereof, and a part of the effective bubbling area positioned to face the free end of the movable member on the downstream side of the effective bubbling area is arranged to face the displacement area directly.
Thus, the initiation of the displacement of the free end of the movable member is effectuated quickly and reliably, and the pressure exerted by the air bubble creation is led to the discharge port side and the fulcrum side of the movable member sufficiently at the time of bubbling, and the development of air bubble that follows is directed to the discharge port side more reliably and efficiently.
CA002209877A 1996-07-12 1997-07-04 A liquid discharging method accompanied by the displacement of a movable member, a liquid jet head for implementing such method, and a liquid jet apparatus for the implementation thereof Expired - Fee Related CA2209877C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18374896A JP3652016B2 (en) 1996-07-12 1996-07-12 Liquid discharge head and liquid discharge method
JP8-183748 1996-07-12

Publications (2)

Publication Number Publication Date
CA2209877A1 true CA2209877A1 (en) 1998-01-12
CA2209877C CA2209877C (en) 2003-03-18

Family

ID=16141295

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002209877A Expired - Fee Related CA2209877C (en) 1996-07-12 1997-07-04 A liquid discharging method accompanied by the displacement of a movable member, a liquid jet head for implementing such method, and a liquid jet apparatus for the implementation thereof

Country Status (7)

Country Link
US (1) US6595625B2 (en)
EP (1) EP0819528B1 (en)
JP (1) JP3652016B2 (en)
CN (1) CN1080201C (en)
AU (1) AU2860997A (en)
CA (1) CA2209877C (en)
DE (1) DE69731335T2 (en)

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Also Published As

Publication number Publication date
US20020021335A1 (en) 2002-02-21
JPH1024588A (en) 1998-01-27
CA2209877C (en) 2003-03-18
AU2860997A (en) 1998-01-22
CN1179383A (en) 1998-04-22
DE69731335D1 (en) 2004-12-02
EP0819528A2 (en) 1998-01-21
EP0819528A3 (en) 1998-11-25
JP3652016B2 (en) 2005-05-25
CN1080201C (en) 2002-03-06
US6595625B2 (en) 2003-07-22
EP0819528B1 (en) 2004-10-27
DE69731335T2 (en) 2005-10-13

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Legal Events

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EEER Examination request
MKLA Lapsed