FR2296873A1 - Procede et appareil pour preparer un revelateur electrographique sec ameliore et revelateur obtenu - Google Patents

Procede et appareil pour preparer un revelateur electrographique sec ameliore et revelateur obtenu

Info

Publication number
FR2296873A1
FR2296873A1 FR7540092A FR7540092A FR2296873A1 FR 2296873 A1 FR2296873 A1 FR 2296873A1 FR 7540092 A FR7540092 A FR 7540092A FR 7540092 A FR7540092 A FR 7540092A FR 2296873 A1 FR2296873 A1 FR 2296873A1
Authority
FR
France
Prior art keywords
preparing
improved
developer obtained
developing dry
electrographic developer
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.)
Withdrawn
Application number
FR7540092A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2296873A1 publication Critical patent/FR2296873A1/fr
Withdrawn legal-status Critical Current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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • G03G15/0893—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Electrostatic Separation (AREA)
FR7540092A 1975-01-02 1975-12-30 Procede et appareil pour preparer un revelateur electrographique sec ameliore et revelateur obtenu Withdrawn FR2296873A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/538,062 US3960738A (en) 1975-01-02 1975-01-02 Method for producing improved electrographic developer

Publications (1)

Publication Number Publication Date
FR2296873A1 true FR2296873A1 (fr) 1976-07-30

Family

ID=24145305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7540092A Withdrawn FR2296873A1 (fr) 1975-01-02 1975-12-30 Procede et appareil pour preparer un revelateur electrographique sec ameliore et revelateur obtenu

Country Status (4)

Country Link
US (1) US3960738A (fr)
CA (1) CA1064305A (fr)
FR (1) FR2296873A1 (fr)
GB (1) GB1529350A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056076A (en) * 1975-04-24 1977-11-01 Xerox Corporation Developer mixing system
US4224396A (en) * 1978-03-02 1980-09-23 Xerox Corporation Magnetic toner materials containing quaternary ammonium polymers as charge control agents
US4221856A (en) * 1978-04-03 1980-09-09 Xerox Corporation Electrographic toner containing resin-compatible quaternary ammonium compound
US4291112A (en) * 1978-09-11 1981-09-22 Xerox Corporation Modification of pigment charge characteristics
US4351604A (en) * 1979-04-26 1982-09-28 Ricoh Company, Ltd. Multi-color electrostatic copying apparatus
DE3115331C2 (de) * 1981-04-15 1986-01-16 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Regenerieren der Trägerteilchen eines aus Trägerteilchen und Toner bestehenden Zwei-Komponenten-Entwicklers
US4397184A (en) * 1981-10-09 1983-08-09 International Business Machines Corporation Method and apparatus for testing xerographic developer mix
US4560635A (en) * 1984-08-30 1985-12-24 Xerox Corporation Toner compositions with ammonium sulfate charge enhancing additives
DE10041621A1 (de) * 2000-08-24 2002-03-07 Oce Printing Systems Gmbh Universal-Carrier, Verfahren zu seiner Herstellung und Zwei-Komponenten-Entwickler für elektrophotographische Drucksysteme
WO2002076620A1 (fr) * 2001-03-27 2002-10-03 Kawasaki Jukogyo Kabushiki Kaisha Procede de separation electrostatique de particules, appareil de separation electrostatique de particules et systeme de traitement
ITBO20020004A1 (it) * 2002-01-08 2003-07-08 Marchesini Group Spa Dispositivo per il recupero ed il riutilizzo di articoli indirizzati verso canali di alimentazione
ITBO20030776A1 (it) * 2003-12-23 2005-06-24 Marchesini Group Spa Dispositivo per il recupero e il riutilizzo di articoli

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2187637A (en) * 1937-08-26 1940-01-16 Henry M Sutton Apparatus for the electrostatic separation of particles having different electrical susceptibilities
US2300324A (en) * 1940-04-27 1942-10-27 Sturtevant Mill Co Method of and mechanism for classifying finely comminuted material
US2848108A (en) * 1956-12-31 1958-08-19 Gen Mills Inc Method and apparatus for electrostatic separation
US3477568A (en) * 1966-11-01 1969-11-11 Xerox Corp Electrostatic separation of round and nonround particles
US3635340A (en) * 1969-01-31 1972-01-18 F I N D Inc Electrostatic separating apparatus for particles
US3662884A (en) * 1969-10-20 1972-05-16 Xerox Corp Method and apparatus electrostatically classifying toner particles

Also Published As

Publication number Publication date
GB1529350A (en) 1978-10-18
CA1064305A (fr) 1979-10-16
US3960738A (en) 1976-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse