CA980406A - Electrostatic copying machine - Google Patents

Electrostatic copying machine

Info

Publication number
CA980406A
CA980406A CA163,661A CA163661A CA980406A CA 980406 A CA980406 A CA 980406A CA 163661 A CA163661 A CA 163661A CA 980406 A CA980406 A CA 980406A
Authority
CA
Canada
Prior art keywords
copying machine
electrostatic copying
electrostatic
machine
copying
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
Application number
CA163,661A
Other languages
English (en)
Other versions
CA163661S (en
Inventor
Francis N. Rothacker
David P. Bujese
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.)
COPY RESEARCH Corp
Original Assignee
COPY RESEARCH 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 COPY RESEARCH Corp filed Critical COPY RESEARCH Corp
Application granted granted Critical
Publication of CA980406A publication Critical patent/CA980406A/en
Expired 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
CA163,661A 1972-03-16 1973-02-13 Electrostatic copying machine Expired CA980406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23534672A 1972-03-16 1972-03-16

Publications (1)

Publication Number Publication Date
CA980406A true CA980406A (en) 1975-12-23

Family

ID=22885114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,661A Expired CA980406A (en) 1972-03-16 1973-02-13 Electrostatic copying machine

Country Status (3)

Country Link
US (1) US3778690A (enrdf_load_stackoverflow)
JP (1) JPS4914132A (enrdf_load_stackoverflow)
CA (1) CA980406A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379630A (en) * 1980-04-01 1983-04-12 Olympus Optical Company Limited Transfer roller for electrophotographic apparatus
US4309737A (en) * 1980-08-27 1982-01-05 Pitney Bowes Inc. Charge roller system for an electrophotographic copier
US4386395A (en) * 1980-12-19 1983-05-31 Webster Electric Company, Inc. Power supply for electrostatic apparatus
JPS5849960A (ja) * 1981-09-21 1983-03-24 Toshiba Corp ロ−ラ−帯電器
US4556795A (en) * 1982-11-19 1985-12-03 Ensign-Bickford Industries, Inc. Corona discharge device
US4636640A (en) * 1983-07-01 1987-01-13 Pillar Corporation Corona discharge electrode assembly
JPS6141233U (ja) * 1985-08-01 1986-03-15 キヤノン株式会社 電気回路の接続装置
EP0308185B1 (en) * 1987-09-14 1993-11-24 Canon Kabushiki Kaisha A charging device
JPH03240076A (ja) * 1990-02-17 1991-10-25 Canon Inc 帯電装置
US5245392A (en) * 1992-10-02 1993-09-14 Xerox Corporation Donor roll for scavengeless development in a xerographic apparatus
DE69329203T2 (de) * 1992-11-09 2001-03-29 American Roller Co., Union Grove Aufladerolle mit einer aus einer keramikmischung bestehenden schicht
JPH0973211A (ja) * 1995-09-05 1997-03-18 Canon Inc 帯電部材、プロセスカートリッジ及び画像形成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980834A (en) * 1956-04-26 1961-04-18 Bruning Charles Co Inc Charging of photo-conductive insulating material
US2965755A (en) * 1958-06-04 1960-12-20 West Maxwell George Method of and means for producing a corona discharge
US3172024A (en) * 1960-03-17 1965-03-02 Xerox Corp Charge induction
US3684364A (en) * 1971-06-24 1972-08-15 Xerox Corp Lift off electrode

Also Published As

Publication number Publication date
US3778690A (en) 1973-12-11
JPS4914132A (enrdf_load_stackoverflow) 1974-02-07
DE2306420A1 (de) 1973-10-04
DE2306420B2 (de) 1977-05-26

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