JPS5782076A - Pump for ink jet recording device - Google Patents

Pump for ink jet recording device

Info

Publication number
JPS5782076A
JPS5782076A JP55159139A JP15913980A JPS5782076A JP S5782076 A JPS5782076 A JP S5782076A JP 55159139 A JP55159139 A JP 55159139A JP 15913980 A JP15913980 A JP 15913980A JP S5782076 A JPS5782076 A JP S5782076A
Authority
JP
Japan
Prior art keywords
outflow
temperature
kinetic energy
ink
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
JP55159139A
Other languages
Japanese (ja)
Inventor
Minoru Ameyama
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 JP55159139A priority Critical patent/JPS5782076A/en
Publication of JPS5782076A publication Critical patent/JPS5782076A/en
Pending 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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17596—Ink pumps, ink valves

Abstract

PURPOSE:To simplify the device, and to improve the quality of a picture by keeping the kinetic energy of ink discharged from the pump constant though the temperature of ink changes. CONSTITUTION:The quantity of outflow per stroke of a driving piston 5 is determined according to the difference of volume at the time of suction and the time of outflow of a pressure chamber 3, but the quantity of change of outflow to a temperature change can be altered by varying a diameter of a small piston 6 and a spring constant of a spring 7 to a diameter and a stroke of the driving piston 5 because the kinetic energy increases when the temperature is low. Consequently, the kinetic energy of outflow ink is adjusted so as to reach approximately constant value to a temperature change. Accordingly, control systems, such as pressure control, temperature control, etc. are unnecessitated, and cost can be reduced largely.
JP55159139A 1980-11-11 1980-11-11 Pump for ink jet recording device Pending JPS5782076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55159139A JPS5782076A (en) 1980-11-11 1980-11-11 Pump for ink jet recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55159139A JPS5782076A (en) 1980-11-11 1980-11-11 Pump for ink jet recording device

Publications (1)

Publication Number Publication Date
JPS5782076A true JPS5782076A (en) 1982-05-22

Family

ID=15687098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55159139A Pending JPS5782076A (en) 1980-11-11 1980-11-11 Pump for ink jet recording device

Country Status (1)

Country Link
JP (1) JPS5782076A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122075A (en) * 1991-05-17 1992-06-16 Amp Incorporated Electrical connector with improved retention feature
US5409399A (en) * 1993-12-08 1995-04-25 Molex Incorporated Electrical connection assembly for mounting on a printed circuit board
US5411404A (en) * 1993-10-29 1995-05-02 The Whitaker Corporation Electrical connector having bus bars providing circuit board retention
US5498174A (en) * 1994-10-18 1996-03-12 The Whitaker Corporation Electrical connector with spring leg retention feature
US6974337B2 (en) 2002-07-30 2005-12-13 Fci Americas Technology, Inc. Electrical connector and contact for use therein

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122075A (en) * 1991-05-17 1992-06-16 Amp Incorporated Electrical connector with improved retention feature
US5411404A (en) * 1993-10-29 1995-05-02 The Whitaker Corporation Electrical connector having bus bars providing circuit board retention
US5462444A (en) * 1993-10-29 1995-10-31 The Whitaker Corporation Electrical connector having bus bars providing circuit board retention
US5409399A (en) * 1993-12-08 1995-04-25 Molex Incorporated Electrical connection assembly for mounting on a printed circuit board
US5498174A (en) * 1994-10-18 1996-03-12 The Whitaker Corporation Electrical connector with spring leg retention feature
US6974337B2 (en) 2002-07-30 2005-12-13 Fci Americas Technology, Inc. Electrical connector and contact for use therein

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