JPS5644666A - Accumulator - Google Patents

Accumulator

Info

Publication number
JPS5644666A
JPS5644666A JP12160879A JP12160879A JPS5644666A JP S5644666 A JPS5644666 A JP S5644666A JP 12160879 A JP12160879 A JP 12160879A JP 12160879 A JP12160879 A JP 12160879A JP S5644666 A JPS5644666 A JP S5644666A
Authority
JP
Japan
Prior art keywords
ink
bag
accumulator
elastic
soft
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
JP12160879A
Other languages
Japanese (ja)
Inventor
Hiroshi Yamazaki
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 JP12160879A priority Critical patent/JPS5644666A/en
Publication of JPS5644666A publication Critical patent/JPS5644666A/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

Landscapes

  • Ink Jet (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

PURPOSE:To obtain an accumulator suited for the supply of ink to an ink-jet head by composing the same of an elastic bag which is formed of a hard and thick elastic substance in the most part thereof and a soft and thin elastic substance only in the small part of the lower central part thereof, and of a means for feeding the compressed air to the bag. CONSTITUTION:In the accumulator 12 provided for absorbing the pulsatory motion of ink between a pump 11 giving pressure to the ink in an ink reservoir tank 9 and an ink-jet head, the elastic bag 21 is fitted in the upper part of the inside of the main body 20 of the accmulator. The bag is formed of the hard and thick rubber 21A in the most part thereof and of the soft and thin rubber 21B only in the small part of the lower surface of the central part thereof, and the thickness of the part where both parts are connected is changed gradually. In the above of these parts a compressed-air injection port 23 equipped with an electromagnetic valve 22 is provided. It is preferable that a bypass pipe 24 for releasing air is provided in the lateral side of the main body 20.
JP12160879A 1979-09-21 1979-09-21 Accumulator Pending JPS5644666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12160879A JPS5644666A (en) 1979-09-21 1979-09-21 Accumulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12160879A JPS5644666A (en) 1979-09-21 1979-09-21 Accumulator

Publications (1)

Publication Number Publication Date
JPS5644666A true JPS5644666A (en) 1981-04-23

Family

ID=14815458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12160879A Pending JPS5644666A (en) 1979-09-21 1979-09-21 Accumulator

Country Status (1)

Country Link
JP (1) JPS5644666A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6164742A (en) * 1994-09-14 2000-12-26 Hewlett-Packard Company Active accumulator system for an ink-jet pen
EP1093922A1 (en) * 1999-10-20 2001-04-25 Microjet Technology Co., Ltd Pressure-adjustment means
KR100489554B1 (en) * 2002-09-25 2005-05-17 김성철 Pulsation Reducing Device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6164742A (en) * 1994-09-14 2000-12-26 Hewlett-Packard Company Active accumulator system for an ink-jet pen
EP1093922A1 (en) * 1999-10-20 2001-04-25 Microjet Technology Co., Ltd Pressure-adjustment means
KR100489554B1 (en) * 2002-09-25 2005-05-17 김성철 Pulsation Reducing Device

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