FR2304107A1 - Dispositif de developpement pour des machines de reproduction electrostatiques et procede de neutralisation de l'effet de l'etat hygrometrique ambiant sur les caracteristiques du produit de developpement - Google Patents

Dispositif de developpement pour des machines de reproduction electrostatiques et procede de neutralisation de l'effet de l'etat hygrometrique ambiant sur les caracteristiques du produit de developpement

Info

Publication number
FR2304107A1
FR2304107A1 FR7540328A FR7540328A FR2304107A1 FR 2304107 A1 FR2304107 A1 FR 2304107A1 FR 7540328 A FR7540328 A FR 7540328A FR 7540328 A FR7540328 A FR 7540328A FR 2304107 A1 FR2304107 A1 FR 2304107A1
Authority
FR
France
Prior art keywords
development
neutralizing
ambient
effect
hygrometric state
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
FR7540328A
Other languages
English (en)
Other versions
FR2304107B1 (fr
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of FR2304107A1 publication Critical patent/FR2304107A1/fr
Application granted granted Critical
Publication of FR2304107B1 publication Critical patent/FR2304107B1/fr
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
    • G03G15/0822—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
FR7540328A 1975-03-14 1975-12-31 Dispositif de developpement pour des machines de reproduction electrostatiques et procede de neutralisation de l'effet de l'etat hygrometrique ambiant sur les caracteristiques du produit de developpement Granted FR2304107A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/558,596 US4027621A (en) 1975-03-14 1975-03-14 Developing system for electrostatic reproduction machines

Publications (2)

Publication Number Publication Date
FR2304107A1 true FR2304107A1 (fr) 1976-10-08
FR2304107B1 FR2304107B1 (fr) 1982-09-03

Family

ID=24230168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7540328A Granted FR2304107A1 (fr) 1975-03-14 1975-12-31 Dispositif de developpement pour des machines de reproduction electrostatiques et procede de neutralisation de l'effet de l'etat hygrometrique ambiant sur les caracteristiques du produit de developpement

Country Status (7)

Country Link
US (1) US4027621A (fr)
JP (1) JPS5950984B2 (fr)
CA (1) CA1082448A (fr)
DE (1) DE2556144C2 (fr)
FR (1) FR2304107A1 (fr)
GB (1) GB1477985A (fr)
NL (1) NL7514597A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535338A (en) * 1978-09-01 1980-03-12 Sharp Corp Copying machine
JPS5535390A (en) * 1978-09-05 1980-03-12 Mita Ind Co Ltd Heater control method for copier
US4282827A (en) * 1979-09-12 1981-08-11 Xerox Corporation Development system
JPS5927565U (ja) * 1982-08-11 1984-02-21 コピア株式会社 複写機のトナ−濃度制御装置
US4442790A (en) * 1982-09-29 1984-04-17 Eastman Kodak Company Magnetic brush development apparatus
US4496644A (en) * 1983-02-28 1985-01-29 Eastman Kodak Company Electric field adjustment for magnetic brushes
JPS61223867A (ja) * 1985-03-29 1986-10-04 Fuji Xerox Co Ltd 電子写真複写機の現像装置
US5701550A (en) * 1996-03-22 1997-12-23 Eastman Kodak Company Method and apparatus for controlling charge on toner in a toning station
KR100189760B1 (ko) * 1996-08-08 1999-06-01 윤종용 예열장치가 장착된 현상기 유니트
US5890033A (en) * 1997-11-03 1999-03-30 Xerox Corporation Developer housing heater using a centrally heated mixing auger
US6788904B2 (en) * 2002-09-23 2004-09-07 Xerox Corporation Climate control system for developer material in a developer housing
US7157202B1 (en) * 2003-09-23 2007-01-02 Eastman Kodak Company Method and apparatus for reducing densification of multiple component electrographic developer
JP4925738B2 (ja) * 2006-06-16 2012-05-09 株式会社リコー 画像形成装置
JP5743506B2 (ja) 2010-11-30 2015-07-01 キヤノン株式会社 画像形成装置
EP3963407A4 (fr) * 2019-04-30 2022-12-14 Hewlett-Packard Development Company, L.P. Dispositif de chauffage de trémie de toner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902974A (en) * 1956-06-14 1959-09-08 Ibm Latent electrostatic image developing apparatus
US2919672A (en) * 1956-11-30 1960-01-05 Burroughs Corp Electrographic inking powder moisture control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424131A (en) * 1964-09-30 1969-01-28 Xerox Corp Electroded cascade development system
US3533168A (en) * 1967-08-04 1970-10-13 Mitsubishi Gas Chemical Co Method of preventing the caking of finely divided solid materials during storage
US3634007A (en) * 1969-10-02 1972-01-11 Addressograph Multigraph Conditioning equipment for the copy paper supply in copying machines
US3677632A (en) * 1970-09-10 1972-07-18 Eastman Kodak Co Environment control device for electrophotographic apparatus
US3817616A (en) * 1972-10-06 1974-06-18 Xerox Corp Thermal chamber for a developability regulating apparatus
US3814516A (en) * 1973-05-07 1974-06-04 Xerox Corp Humidity compensated control device
US3848988A (en) * 1973-06-11 1974-11-19 Xerox Corp Moisture control device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902974A (en) * 1956-06-14 1959-09-08 Ibm Latent electrostatic image developing apparatus
US2919672A (en) * 1956-11-30 1960-01-05 Burroughs Corp Electrographic inking powder moisture control

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV177/75 *

Also Published As

Publication number Publication date
US4027621A (en) 1977-06-07
GB1477985A (en) 1977-06-29
CA1082448A (fr) 1980-07-29
NL7514597A (nl) 1976-09-16
DE2556144C2 (de) 1984-03-08
DE2556144A1 (de) 1976-09-23
FR2304107B1 (fr) 1982-09-03
JPS51111340A (en) 1976-10-01
JPS5950984B2 (ja) 1984-12-11

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Legal Events

Date Code Title Description
ST Notification of lapse