EP0438303A3 - Image forming apparatus with transfer sheet bearing means - Google Patents

Image forming apparatus with transfer sheet bearing means Download PDF

Info

Publication number
EP0438303A3
EP0438303A3 EP19910300343 EP91300343A EP0438303A3 EP 0438303 A3 EP0438303 A3 EP 0438303A3 EP 19910300343 EP19910300343 EP 19910300343 EP 91300343 A EP91300343 A EP 91300343A EP 0438303 A3 EP0438303 A3 EP 0438303A3
Authority
EP
European Patent Office
Prior art keywords
image forming
forming apparatus
transfer sheet
bearing means
sheet bearing
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
EP19910300343
Other versions
EP0438303B1 (en
EP0438303A2 (en
Inventor
Takao C/O Canon Kabushiki Kaisha Aoki
Yujiro C/O Canon Kabushiki Kaisha Ando
Shinkichi C/O Canon Kabushiki Kaisha Takahashi
Eihiro C/O Canon Kabushiki Kaisha Sakaki
Fumihiro C/O Canon Kabushiki Kaisha Ueno
Toshiaki C/O Canon Kabushiki Kaisha Miyashiro
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of EP0438303A2 publication Critical patent/EP0438303A2/en
Publication of EP0438303A3 publication Critical patent/EP0438303A3/en
Application granted granted Critical
Publication of EP0438303B1 publication Critical patent/EP0438303B1/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
    • G03G15/6532—Removing a copy sheet form a xerographic drum, band or plate
    • G03G15/6535—Removing a copy sheet form a xerographic drum, band or plate using electrostatic means, e.g. a separating corona
    • 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
    • G03G15/1665—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—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 by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • 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
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
    • G03G2215/0174—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member plural rotations of recording member to produce multicoloured copy
    • 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
    • G03G2215/16—Transferring device, details
    • G03G2215/1604—Main transfer electrode
    • G03G2215/1619—Transfer drum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
EP19910300343 1990-01-19 1991-01-17 Image forming apparatus with transfer sheet bearing means Expired - Lifetime EP0438303B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP960390A JPH03214182A (en) 1990-01-19 1990-01-19 Image forming device
JP9603/90 1990-01-19

Publications (3)

Publication Number Publication Date
EP0438303A2 EP0438303A2 (en) 1991-07-24
EP0438303A3 true EP0438303A3 (en) 1992-05-06
EP0438303B1 EP0438303B1 (en) 1995-06-14

Family

ID=11724887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910300343 Expired - Lifetime EP0438303B1 (en) 1990-01-19 1991-01-17 Image forming apparatus with transfer sheet bearing means

Country Status (3)

Country Link
EP (1) EP0438303B1 (en)
JP (1) JPH03214182A (en)
DE (1) DE69110306T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3256010B2 (en) * 1992-12-22 2002-02-12 キヤノン株式会社 Image forming device
EP0737901B1 (en) * 1995-04-14 2008-12-24 Sharp Kabushiki Kaisha Image forming apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992557A (en) * 1974-07-17 1976-11-16 Canon Kabushiki Kaisha Image transfer method
US4027960A (en) * 1975-08-06 1977-06-07 Xerox Corporation Transfer system for electrostatic reproduction machine
US4063808A (en) * 1976-03-23 1977-12-20 International Business Machines Corporation Apparatus for neutralizing toner in a no charge exchange transfer
US4674860A (en) * 1984-08-21 1987-06-23 Konishiroku Photo Industry Co. Image transfer device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992557A (en) * 1974-07-17 1976-11-16 Canon Kabushiki Kaisha Image transfer method
US4027960A (en) * 1975-08-06 1977-06-07 Xerox Corporation Transfer system for electrostatic reproduction machine
US4063808A (en) * 1976-03-23 1977-12-20 International Business Machines Corporation Apparatus for neutralizing toner in a no charge exchange transfer
US4674860A (en) * 1984-08-21 1987-06-23 Konishiroku Photo Industry Co. Image transfer device

Also Published As

Publication number Publication date
EP0438303B1 (en) 1995-06-14
JPH03214182A (en) 1991-09-19
EP0438303A2 (en) 1991-07-24
DE69110306T2 (en) 1995-11-02
DE69110306D1 (en) 1995-07-20

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