JPS56113467A - Head for ink jet recording - Google Patents

Head for ink jet recording

Info

Publication number
JPS56113467A
JPS56113467A JP1566880A JP1566880A JPS56113467A JP S56113467 A JPS56113467 A JP S56113467A JP 1566880 A JP1566880 A JP 1566880A JP 1566880 A JP1566880 A JP 1566880A JP S56113467 A JPS56113467 A JP S56113467A
Authority
JP
Japan
Prior art keywords
ink
nozzle
capillary groove
space
knot
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
JP1566880A
Other languages
Japanese (ja)
Other versions
JPS6058701B2 (en
Inventor
Tadashi Fujii
Tomoyuki Yamaguchi
Shigemi Sasada
Tomiko Kawakami
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1566880A priority Critical patent/JPS6058701B2/en
Publication of JPS56113467A publication Critical patent/JPS56113467A/en
Publication of JPS6058701B2 publication Critical patent/JPS6058701B2/en
Expired 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
    • B41J2/1433—Structure of nozzle plates

Landscapes

  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Nozzles (AREA)

Abstract

PURPOSE:To remove an ink knot at the outside of an ink injection nozzle by a method wherein a capillary groove, a space thereof decreases with the increase of a distance from the nozzle, is formed outside the nozzle, and an inwall of the capillary groove is made up so that an angle of contact to ink is specified. CONSTITUTION:A liquid chamber 3 for ink 2 is built up in a cylindrical nozzle holding member 1, and a nozzle plate 6 with a nozzle 5 is fixed to a stage section 4. A capillary groove 11 communicating a space section 8 and an outer circumferential surface is made up at an end surface of a flange 7 unified with the member 1. The capillary groove 11 is decided in a shape that a space of the groove decreases with the increase of a distance from the nozzle 5. After the ink 2 is injected, an ink knot 10 is formed in the space section 8 at the outside of the nozzle 5. After a fixed time passes, the ink knot 10 is absorbed to the capillary groove 11, and changed into an ink meniscus 13. The meniscus 13 moves downward and falls because an inwall 12 is set so that the angle of contact with the ink 2 is 90 deg. or less in the capillary groove 11.
JP1566880A 1980-02-12 1980-02-12 Inkjet recording head Expired JPS6058701B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1566880A JPS6058701B2 (en) 1980-02-12 1980-02-12 Inkjet recording head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1566880A JPS6058701B2 (en) 1980-02-12 1980-02-12 Inkjet recording head

Publications (2)

Publication Number Publication Date
JPS56113467A true JPS56113467A (en) 1981-09-07
JPS6058701B2 JPS6058701B2 (en) 1985-12-21

Family

ID=11895115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1566880A Expired JPS6058701B2 (en) 1980-02-12 1980-02-12 Inkjet recording head

Country Status (1)

Country Link
JP (1) JPS6058701B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5967239U (en) * 1982-10-26 1984-05-07 キヤノン株式会社 Inkjet recording device
JPH04334000A (en) * 1990-12-12 1992-11-20 British Gas Plc Data transmission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5967239U (en) * 1982-10-26 1984-05-07 キヤノン株式会社 Inkjet recording device
JPH04334000A (en) * 1990-12-12 1992-11-20 British Gas Plc Data transmission system

Also Published As

Publication number Publication date
JPS6058701B2 (en) 1985-12-21

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