JPH0222950B2 - - Google Patents

Info

Publication number
JPH0222950B2
JPH0222950B2 JP59504400A JP50440084A JPH0222950B2 JP H0222950 B2 JPH0222950 B2 JP H0222950B2 JP 59504400 A JP59504400 A JP 59504400A JP 50440084 A JP50440084 A JP 50440084A JP H0222950 B2 JPH0222950 B2 JP H0222950B2
Authority
JP
Japan
Prior art keywords
toner
drum
dust
electrostatic
repulsion
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.)
Expired - Lifetime
Application number
JP59504400A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61500568A (ja
Inventor
Abudarateifu Emu Kasu
Toomasu Robuson
Richaado Shii Fuedaa
Ooburii Ii Tonpuson
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.)
Unisys Corp
Original Assignee
Unisys Corp
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 Unisys Corp filed Critical Unisys Corp
Publication of JPS61500568A publication Critical patent/JPS61500568A/ja
Publication of JPH0222950B2 publication Critical patent/JPH0222950B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Cleaning In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP59504400A 1983-11-30 1984-11-21 電子写真装置のための静電ダスト反発装置 Granted JPS61500568A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55652983A 1983-11-30 1983-11-30
US556529 1983-11-30

Publications (2)

Publication Number Publication Date
JPS61500568A JPS61500568A (ja) 1986-03-27
JPH0222950B2 true JPH0222950B2 (de) 1990-05-22

Family

ID=24221727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59504400A Granted JPS61500568A (ja) 1983-11-30 1984-11-21 電子写真装置のための静電ダスト反発装置

Country Status (4)

Country Link
EP (1) EP0146825A3 (de)
JP (1) JPS61500568A (de)
CA (1) CA1229373A (de)
WO (1) WO1985002471A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987660A (en) * 1955-06-06 1961-06-06 Haloid Xerox Inc Xerographic charging
US3937570A (en) * 1971-06-03 1976-02-10 Xerox Corporation Cloud suppression in an electrostatic copying apparatus
US4168901A (en) * 1975-01-21 1979-09-25 Canon Kabushiki Kaisha Developer housing sealing device for electrophotography
DE2816621C3 (de) * 1978-04-17 1980-10-09 Lumoprint Zindler Kg (Gmbh & Co), 2000 Hamburg Dichtungsanordnung in einer Entwicklungsvorrichtung eines Kopiergeräte
US4338880A (en) * 1978-09-19 1982-07-13 Minolta Camera Kabushiki Kaisha Magnetic brush development apparatus for use in electrophotographic copying machine
JPS5664365A (en) * 1979-10-30 1981-06-01 Ricoh Co Ltd Developing device
US4387982A (en) * 1981-07-01 1983-06-14 Xerox Corporation Charged particle containment apparatus
US4697914A (en) * 1982-06-30 1987-10-06 Xerox Corporation Toner containment method and apparatus

Also Published As

Publication number Publication date
CA1229373A (en) 1987-11-17
EP0146825A2 (de) 1985-07-03
EP0146825A3 (de) 1986-12-30
JPS61500568A (ja) 1986-03-27
WO1985002471A1 (en) 1985-06-06

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