GB1228987A - - Google Patents

Info

Publication number
GB1228987A
GB1228987A GB1228987DA GB1228987A GB 1228987 A GB1228987 A GB 1228987A GB 1228987D A GB1228987D A GB 1228987DA GB 1228987 A GB1228987 A GB 1228987A
Authority
GB
United Kingdom
Prior art keywords
roller
ceramic
july
charging apparatus
addressograph
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
Other languages
English (en)
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 filed Critical
Publication of GB1228987A publication Critical patent/GB1228987A/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)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Rolls And Other Rotary Bodies (AREA)
GB1228987D 1967-07-28 1968-07-12 Expired GB1228987A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65682067A 1967-07-28 1967-07-28

Publications (1)

Publication Number Publication Date
GB1228987A true GB1228987A (enExample) 1971-04-21

Family

ID=24634714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228987D Expired GB1228987A (enExample) 1967-07-28 1968-07-12

Country Status (3)

Country Link
US (1) US3521126A (enExample)
BE (1) BE718180A (enExample)
GB (1) GB1228987A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298440A (en) 1979-02-05 1981-11-03 British Cellophane Limited Method and apparatus for the corona discharge treatment of webs, and webs treated therewith
EP0035745A3 (en) * 1980-03-10 1982-02-03 Tokyo Shibaura Denki Kabushiki Kaisha Charging device
EP1055973A3 (en) * 1999-05-25 2002-01-09 Lexmark International, Inc. Coated charge roller

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1267535A (en) * 1968-03-19 1972-03-22 Iwatsu Electric Co Ltd Electrophotographic process and apparatus
GB1349055A (en) * 1970-05-04 1974-03-27 Agfa Gevaert Method for the control of charge on a moving web
US3697836A (en) * 1970-06-03 1972-10-10 Coors Porcelain Co Ceramic electrical resistor roll for copying machine
US4079437A (en) * 1976-04-30 1978-03-14 Minnesota Mining And Manufacturing Machine and method for poling films of pyroelectric and piezoelectric material
US4089034A (en) * 1976-04-30 1978-05-09 Minnesota Mining And Manufacturing Company Machine and method for poling films of pyroelectric and piezoelectric material
DE69021234T2 (de) * 1989-03-14 1996-01-04 Canon Kk Auflade-Element und elektrofotografisches Gerät mit einem solchen Element.
US5245392A (en) * 1992-10-02 1993-09-14 Xerox Corporation Donor roll for scavengeless development in a xerographic apparatus
EP0667967B1 (en) * 1992-11-09 2000-08-09 American Roller Company Charging roller with blended ceramic layer
US5408070A (en) * 1992-11-09 1995-04-18 American Roller Company Ceramic heater roller with thermal regulating layer

Family Cites Families (2)

* 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
US2975145A (en) * 1958-04-16 1961-03-14 Bendix Corp Semi-conductive ceramic composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298440A (en) 1979-02-05 1981-11-03 British Cellophane Limited Method and apparatus for the corona discharge treatment of webs, and webs treated therewith
EP0035745A3 (en) * 1980-03-10 1982-02-03 Tokyo Shibaura Denki Kabushiki Kaisha Charging device
EP1055973A3 (en) * 1999-05-25 2002-01-09 Lexmark International, Inc. Coated charge roller

Also Published As

Publication number Publication date
BE718180A (enExample) 1968-12-31
US3521126A (en) 1970-07-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees