FR2625574B1 - DEVICE FOR ELIMINATING POLLUTION DUE TO ELECTRIC CHARGES ACQUIRED BY A PRINTING MEDIUM IN A MAGNETOGRAPHIC PRINTING MACHINE - Google Patents

DEVICE FOR ELIMINATING POLLUTION DUE TO ELECTRIC CHARGES ACQUIRED BY A PRINTING MEDIUM IN A MAGNETOGRAPHIC PRINTING MACHINE

Info

Publication number
FR2625574B1
FR2625574B1 FR8718356A FR8718356A FR2625574B1 FR 2625574 B1 FR2625574 B1 FR 2625574B1 FR 8718356 A FR8718356 A FR 8718356A FR 8718356 A FR8718356 A FR 8718356A FR 2625574 B1 FR2625574 B1 FR 2625574B1
Authority
FR
France
Prior art keywords
electric charges
pollution due
magnetographic
printing machine
eliminating pollution
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
FR8718356A
Other languages
French (fr)
Other versions
FR2625574A1 (en
Inventor
Bernard Cherbuy
Daniel Kinet
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.)
Bull SA
Original Assignee
Bull SA
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 Bull SA filed Critical Bull SA
Priority to FR8718356A priority Critical patent/FR2625574B1/en
Publication of FR2625574A1 publication Critical patent/FR2625574A1/en
Application granted granted Critical
Publication of FR2625574B1 publication Critical patent/FR2625574B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/657—Feeding path after the transfer point and up to the fixing point, e.g. guides and feeding means for handling copy material carrying an unfused toner image
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/00409—Transfer device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00649—Electrodes close to the copy feeding path
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00654—Charging device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
FR8718356A 1987-12-30 1987-12-30 DEVICE FOR ELIMINATING POLLUTION DUE TO ELECTRIC CHARGES ACQUIRED BY A PRINTING MEDIUM IN A MAGNETOGRAPHIC PRINTING MACHINE Expired - Lifetime FR2625574B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8718356A FR2625574B1 (en) 1987-12-30 1987-12-30 DEVICE FOR ELIMINATING POLLUTION DUE TO ELECTRIC CHARGES ACQUIRED BY A PRINTING MEDIUM IN A MAGNETOGRAPHIC PRINTING MACHINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8718356A FR2625574B1 (en) 1987-12-30 1987-12-30 DEVICE FOR ELIMINATING POLLUTION DUE TO ELECTRIC CHARGES ACQUIRED BY A PRINTING MEDIUM IN A MAGNETOGRAPHIC PRINTING MACHINE

Publications (2)

Publication Number Publication Date
FR2625574A1 FR2625574A1 (en) 1989-07-07
FR2625574B1 true FR2625574B1 (en) 1990-09-14

Family

ID=9358431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8718356A Expired - Lifetime FR2625574B1 (en) 1987-12-30 1987-12-30 DEVICE FOR ELIMINATING POLLUTION DUE TO ELECTRIC CHARGES ACQUIRED BY A PRINTING MEDIUM IN A MAGNETOGRAPHIC PRINTING MACHINE

Country Status (1)

Country Link
FR (1) FR2625574B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065187A (en) * 1989-10-19 1991-11-12 Oki Electric Industry Co., Ltd. Image forming system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063808A (en) * 1976-03-23 1977-12-20 International Business Machines Corporation Apparatus for neutralizing toner in a no charge exchange transfer
US4410896A (en) * 1981-04-13 1983-10-18 Wang Laboratories, Inc. Apparatus for preventing removal of toner from transferred images
JPS58220161A (en) * 1982-06-16 1983-12-21 Canon Inc Transfer device
FR2555329B1 (en) * 1983-11-17 1986-02-14 Cii Honeywell Bull APPARATUS FOR DEVELOPING LATENT MAGNETIC IMAGES
US4674860A (en) * 1984-08-21 1987-06-23 Konishiroku Photo Industry Co. Image transfer device

Also Published As

Publication number Publication date
FR2625574A1 (en) 1989-07-07

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