JPS56105968A - Liquid-drop jetting device - Google Patents
Liquid-drop jetting deviceInfo
- Publication number
- JPS56105968A JPS56105968A JP783680A JP783680A JPS56105968A JP S56105968 A JPS56105968 A JP S56105968A JP 783680 A JP783680 A JP 783680A JP 783680 A JP783680 A JP 783680A JP S56105968 A JPS56105968 A JP S56105968A
- Authority
- JP
- Japan
- Prior art keywords
- pump chamber
- liquid
- throttle
- inlet
- land
- 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
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
- B41J2/17—Ink jet characterised by ink handling
- B41J2/19—Ink jet characterised by ink handling for removing air bubbles
Landscapes
- Special Spraying Apparatus (AREA)
- Nozzles (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
PURPOSE:To prevent the accumulation of bubbles in a pump chamber by providing a throttle with a narrow liquid flow passage at the inlet of the pump chamber to which the electrostriction vibrator of a liquid drop jet device is attached and also providing a land which divides the liquid at the inlet of the pump chamber. CONSTITUTION:In a device 1 which jets liquid drops from a nozzle 1a communicated with a pump chamber 1b by means of the volume change of the pump chamber 1b with a flexible wall to which an electrostriction vibrator driven by electric signals is attached, the shape of the inlet of a passage to supply ink to the pump chamber 1b is made into a semicircular one connected with a throttle 11, and in the center of the semicircle, a round land 12 is provided. When ink is supplied (a), an ink flow which passes the throttle 11 is divided along the land 12, is expanded by the capillarity of its latter half wall and then joined again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP783680A JPS56105968A (en) | 1980-01-28 | 1980-01-28 | Liquid-drop jetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP783680A JPS56105968A (en) | 1980-01-28 | 1980-01-28 | Liquid-drop jetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56105968A true JPS56105968A (en) | 1981-08-22 |
Family
ID=11676682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP783680A Pending JPS56105968A (en) | 1980-01-28 | 1980-01-28 | Liquid-drop jetting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56105968A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58187080A (en) * | 1982-04-26 | 1983-11-01 | Canon Inc | video signal recording device |
| JPH0252745A (en) * | 1988-08-17 | 1990-02-22 | Seiko Epson Corp | inkjet head |
| JP2007296675A (en) * | 2006-04-28 | 2007-11-15 | Mimaki Engineering Co Ltd | Fluid ejection device |
| EP2340938A1 (en) * | 2002-07-03 | 2011-07-06 | Dimatix, Inc. | Printhead |
-
1980
- 1980-01-28 JP JP783680A patent/JPS56105968A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58187080A (en) * | 1982-04-26 | 1983-11-01 | Canon Inc | video signal recording device |
| JPH0252745A (en) * | 1988-08-17 | 1990-02-22 | Seiko Epson Corp | inkjet head |
| EP2340938A1 (en) * | 2002-07-03 | 2011-07-06 | Dimatix, Inc. | Printhead |
| JP2007296675A (en) * | 2006-04-28 | 2007-11-15 | Mimaki Engineering Co Ltd | Fluid ejection device |
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