GB1216915A - Magnetically responsive powder applicator - Google Patents

Magnetically responsive powder applicator

Info

Publication number
GB1216915A
GB1216915A GB24531/68A GB2453168A GB1216915A GB 1216915 A GB1216915 A GB 1216915A GB 24531/68 A GB24531/68 A GB 24531/68A GB 2453168 A GB2453168 A GB 2453168A GB 1216915 A GB1216915 A GB 1216915A
Authority
GB
United Kingdom
Prior art keywords
magnetic
sleeve
shaft
members
developer
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
GB24531/68A
Other languages
English (en)
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1216915A publication Critical patent/GB1216915A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/083Magnetic toner particles
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921Details concerning the magnetic brush roller structure, e.g. magnet configuration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Rolls And Other Rotary Bodies (AREA)
GB24531/68A 1967-05-23 1968-05-22 Magnetically responsive powder applicator Expired GB1216915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64072067A 1967-05-23 1967-05-23

Publications (1)

Publication Number Publication Date
GB1216915A true GB1216915A (en) 1970-12-23

Family

ID=24569441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24531/68A Expired GB1216915A (en) 1967-05-23 1968-05-22 Magnetically responsive powder applicator

Country Status (5)

Country Link
US (1) US3455276A (enrdf_load_html_response)
DE (1) DE1752408A1 (enrdf_load_html_response)
FR (1) FR1566007A (enrdf_load_html_response)
GB (1) GB1216915A (enrdf_load_html_response)
SE (1) SE335476B (enrdf_load_html_response)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1152071B (de) * 1959-01-02 1963-08-01 Rheinische Daunendecken Fabrik Schlafsack
US3584601A (en) * 1968-10-28 1971-06-15 Xerox Corp Magnetic brush belt development
US3882821A (en) * 1969-03-08 1975-05-13 Canon Kk Developing device for electrophotography
US3643629A (en) * 1969-10-20 1972-02-22 Minnesota Mining & Mfg Magnetic powder applicator
BE757698A (fr) * 1969-10-20 1971-04-19 Xerox Corp Appareil de developpement
GB1359381A (en) * 1971-05-21 1974-07-10 Hitachi Metals Ltd Electrostatic record developing apparatus
US3828730A (en) * 1971-05-21 1974-08-13 Hitachi Metals Ltd Electrostatic record developing apparatus
US3823688A (en) * 1972-01-26 1974-07-16 Xerox Corp Magnetic brush assembly
BE794507A (fr) * 1972-01-26 1973-07-25 Xerox Corp Dispositif a brosses magnetiques
US3968773A (en) * 1972-05-22 1976-07-13 Xerox Corporation Magnetic brush developing apparatus
US4040387A (en) * 1972-09-24 1977-08-09 Mita Industrial Co. Ltd. Electrostatic photographic copying apparatus
US3911865A (en) * 1973-03-30 1975-10-14 Xerox Corp Toner pickoff apparatus
JPS5426172B2 (enrdf_load_html_response) * 1973-05-23 1979-09-03
US3892908A (en) * 1973-06-25 1975-07-01 Minnesota Mining & Mfg Coating of solid substrates with magnetically propelled particles
US3863603A (en) * 1974-01-07 1975-02-04 Ibm Magnetic brush roll having resilient polymeric surface
JPS554837Y2 (enrdf_load_html_response) * 1974-02-20 1980-02-05
US3946402A (en) * 1974-05-28 1976-03-23 Minnesota Mining & Manufacturing Company Toner applicator for electrographic recording system
JPS5334921Y2 (enrdf_load_html_response) * 1974-07-05 1978-08-26
JPS5512597B2 (enrdf_load_html_response) * 1974-10-11 1980-04-02
US3952701A (en) * 1974-11-05 1976-04-27 Hitachi Metals, Ltd. Electrostatic developing apparatus
SU626710A3 (ru) * 1975-02-24 1978-09-30 Ксерокс Корпорейшн (Фирма) Устройство дл про влени электрофотографических изображений магнитной кистью
DE2620660A1 (de) * 1975-05-15 1976-12-02 Kip Kk Trockenentwicklerteilchen zur verwendung in der elektrofotografie und verfahren zum entwickeln von elektrostatischen bildern mit solchen teilchen
NL7509870A (nl) * 1975-08-20 1977-02-22 Oce Van Der Grinten Nv Magneetrol.
JPS5545392Y2 (enrdf_load_html_response) * 1975-10-07 1980-10-24
NL7512356A (nl) * 1975-10-22 1977-04-26 Oce Van Der Grinten Nv Magneetrol.
DE2706816C3 (de) * 1977-02-17 1979-12-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vorrichtung zur Entwicklung von auf einem Zwischenträger aufgebrachten Ladungsbildern mit Hilfe eines Entwicklergemisches
US4102305A (en) * 1977-07-01 1978-07-25 Xerox Corporation Development system with electrical field generating means
JPS5427437A (en) * 1977-08-03 1979-03-01 Hitachi Metals Ltd Magnetic brush developing apparatus
US4166263A (en) * 1977-10-03 1979-08-28 Hitachi Metals, Ltd. Magnetic core assembly for magnetizing columnar permanent magnet for use in electrostatic developing apparatus
US4169998A (en) * 1977-10-03 1979-10-02 Hitachi Metals, Ltd. Iron core assembly for magnetizing columnar permanent magnets for use in electrostatic developing apparatus
US4167718A (en) * 1977-10-03 1979-09-11 Hitachi Metals, Ltd. Dies set for magnetizing outer surface of magnetic column
US4266328A (en) * 1977-10-05 1981-05-12 Hitachi Metals, Ltd. Developing roll for use in electrostatic developing apparatus employing magnetic particles
US4168481A (en) * 1977-10-05 1979-09-18 Hitachi Metals, Ltd. Core assembly for magnetizing columnar permanent magnet for use in an electrostatic developing apparatus
JPS54116233A (en) * 1978-02-24 1979-09-10 Hitachi Metals Ltd Developing method
JPS5846019B2 (ja) * 1978-03-23 1983-10-13 日立金属株式会社 磁性トナ−
US4266868A (en) * 1979-07-16 1981-05-12 Minnesota Mining And Manufacturing Company Multiple roll developing apparatus
JPS5619062A (en) * 1979-07-25 1981-02-23 Minolta Camera Co Ltd Method for removing foreign matter out of developer
CA1150573A (en) * 1979-10-19 1983-07-26 Xerox Corporation Development system
US4496232A (en) * 1980-01-07 1985-01-29 Bell & Howell Apparatus for and methods of making bimodal electrophotographic copies
US4389478A (en) * 1980-01-07 1983-06-21 Bell & Howell Company Apparatus for and methods of making bimodal electrophotographic copies
US4454520A (en) * 1982-06-24 1984-06-12 Honeywell Inc. Electrographic recorder with enhanced writing speed
US4453492A (en) * 1982-08-12 1984-06-12 E. I. Du Pont De Nemours And Company Magnetic developing unit with improved toner decorator for magnetic printing
FR2587509B1 (fr) * 1985-09-17 1991-01-04 Canon Kk Element de support d'image et mecanisme pour etablir une connexion electrique entre cet element et un appareil de formation d'images
DE3637200A1 (de) * 1986-10-31 1988-05-05 Kloeckner Humboldt Deutz Ag Magnetblockanordnung mit nach aussen gerichtetem feld
JP2794765B2 (ja) * 1989-04-20 1998-09-10 ミノルタ株式会社 磁気ロール及び現像装置
US5494172A (en) * 1994-05-12 1996-02-27 Miller Compressing Company Magnetic pulley assembly
US9962710B2 (en) * 2016-07-07 2018-05-08 Bunting Magnetics Co. Magnetic roll

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040704A (en) * 1957-04-16 1962-06-26 Rca Corp Apparatus for developing electrostatic printing
DE1109282B (de) * 1959-12-24 1961-06-22 Max Baermann Farbiger, gummiartig flexibler Dauermagnet
US3219014A (en) * 1962-12-04 1965-11-23 Xerox Corp Mechanical shield to protect magnetic core in xerographic developing apparatus
DE1472993B2 (de) * 1963-12-18 1972-02-17 Kalle Ag, 6202 Wiesbaden-Biebrich Magnetwalze fuer elektrophotographische zwecke
FR1417724A (fr) * 1963-12-18 1965-11-12 Kalle Ag Rouleau magnétique pour l'électrophotographie

Also Published As

Publication number Publication date
FR1566007A (enrdf_load_html_response) 1969-05-02
SE335476B (enrdf_load_html_response) 1971-05-24
US3455276A (en) 1969-07-15
DE1752408A1 (de) 1971-11-11

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ZEULI Relative equilibrium of a mass of charged particles/electrons/ subject to its own gravitation and uniformly rotating about an axis