GB828188A - Process and apparatus for applying developer powder to photo-conductive insulating material - Google Patents

Process and apparatus for applying developer powder to photo-conductive insulating material

Info

Publication number
GB828188A
GB828188A GB662/58A GB66258A GB828188A GB 828188 A GB828188 A GB 828188A GB 662/58 A GB662/58 A GB 662/58A GB 66258 A GB66258 A GB 66258A GB 828188 A GB828188 A GB 828188A
Authority
GB
United Kingdom
Prior art keywords
cylinder
trough
mixture
screw feed
bin
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
GB662/58A
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.)
Bruning Charles Co Inc
Original Assignee
Bruning Charles Co 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 Bruning Charles Co Inc filed Critical Bruning Charles Co Inc
Publication of GB828188A publication Critical patent/GB828188A/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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

828,188. Electrophotographic development. BRUNING CO. Inc., C. Jan. 7, 1958 [Jan. 18, 1957], No. 662/58. Class 98(2) An electrostatic latent image on a photoconductive layer 45 is developed by passing it over a magnetic cylinder 13 rotating in a mixture of magnetizable particles and developer powder. The layer 45 may be fed by rollers 46, 47 having their surfaces of nap or pile material, and it may be agitated against the cylinder 13 by polygonal rollers 48, 49. The cylinder 13 may be composed of disc-shaped magnets 14 each magnetized through its thickness so that each face is of opposite polarity, and arranged between disc-shaped pole pieces 16 with like poles of adjacent magnets facing each other. The pole pieces are thus alternately N. and S. and the magnetic flux lines extend throughout the periphery of the cylinder. The developer mixture 21 is contained in a trough 11 extending longitudinally beneath the magnetic cylinder. It is fed continuously to the trough through opening 24 by a screw feed 26 from a storage bin 28, and continuously removed from the trough through openings 31, 32, and returned to the bin 28 by a screw feed 33. The mixture is agitated in the bin by rotating blades 38, which also urge it towards the screw feed 26.
GB662/58A 1957-01-18 1958-01-07 Process and apparatus for applying developer powder to photo-conductive insulating material Expired GB828188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US634873A US3003462A (en) 1957-01-18 1957-01-18 Apparatus for applying developer powder to photo-conductive insulating sheets

Publications (1)

Publication Number Publication Date
GB828188A true GB828188A (en) 1960-02-17

Family

ID=24545506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB662/58A Expired GB828188A (en) 1957-01-18 1958-01-07 Process and apparatus for applying developer powder to photo-conductive insulating material

Country Status (6)

Country Link
US (1) US3003462A (en)
BE (1) BE564031A (en)
CH (1) CH342587A (en)
DE (1) DE1067305B (en)
FR (1) FR1197882A (en)
GB (1) GB828188A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386577A (en) * 1977-09-10 1983-06-07 Canon Kabushiki Kaisha Developing apparatus for electrostatic image

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975758A (en) * 1958-03-13 1961-03-21 Haloid Xerox Inc Apparatus for developing electrostatic images
US3098765A (en) * 1959-03-16 1963-07-23 Robertson Photo Mechanix Inc Xerographic brush
US3088386A (en) * 1959-11-16 1963-05-07 American Photocopy Equip Co Electrophotographic photocopy machine
US3144354A (en) * 1960-03-10 1964-08-11 Keuffel & Esser Co Electrographic printer
US3152012A (en) * 1960-12-19 1964-10-06 Ibm Apparatus for the development of electrostatic images
US3081737A (en) * 1961-03-01 1963-03-19 Gen Aniline & Film Corp Xerographic apparatus for applying ferromagnetic powder
DE1297989B (en) * 1961-03-17 1969-06-19 Rank Xerox Ltd Device for replenishing toner powder in the developer powder of an electrophotographic copier
US3152924A (en) * 1961-05-24 1964-10-13 Robertson Photo Mechanix Inc Xerographic brush
US3133834A (en) * 1961-06-22 1964-05-19 Rca Corp Electrostatic developing apparatus
GB977356A (en) * 1961-07-27 1964-12-09 Werner Zindler Improvements in or relating to magnetic developer powder applicators
BE626060A (en) * 1961-12-16
NL286833A (en) * 1961-12-27
NL288124A (en) * 1962-01-25
US3358637A (en) * 1962-04-24 1967-12-19 Plastic Coating Corp Toner unit for photoelectrostatic reproduction equipment
US3145122A (en) * 1962-08-13 1964-08-18 Addressograph Multigraph Apparatus for applying developer powder to photo-conductive insulating material
DE1196962B (en) * 1962-11-05 1965-07-15 Ece Elektrostatik Magnetic roller for developing electrostatic images
US3167455A (en) * 1963-01-31 1965-01-26 Dick Co Ab Developer for facsimile printing machine
US3246629A (en) * 1963-06-18 1966-04-19 Addressograph Multigraph Apparatus for developing electrostatic images
US3369917A (en) * 1963-09-10 1968-02-20 Daniel B. Granzow Magnetic brush development of electrostatic images utilizing a high voltage corona
US3639051A (en) * 1964-06-30 1972-02-01 Savin Business Machines Corp Electrostatic copier
US3358594A (en) * 1966-01-17 1967-12-19 American Can Co Electrostatic printing with a magnetic brush feed
US3557751A (en) * 1967-05-20 1971-01-26 Minolta Camera Kk Device for dry development in electrophotography
US3399652A (en) * 1967-06-14 1968-09-03 Addressograph Multigraph Automatic toner concentrate detector
US3566076A (en) * 1969-07-03 1971-02-23 Xerox Corp Toner fixing apparatus
US3687106A (en) * 1969-07-11 1972-08-29 Xerox Corp Donor apparatus and method
US3647499A (en) * 1969-08-19 1972-03-07 Eastman Kodak Co Process for transferring dry developed electrographic images
US3633545A (en) * 1969-11-03 1972-01-11 Bell & Howell Co Magnetic printout equipment
US3866575A (en) * 1971-09-06 1975-02-18 Canon Kk Magnet roll developing device
US3700142A (en) * 1971-09-20 1972-10-24 Singer Co Powder dispensing unit
US3949704A (en) * 1972-05-22 1976-04-13 Xerox Corporation Magnetic brush developing apparatus
JPS5759550B2 (en) * 1973-05-01 1982-12-15 Ricoh Kk
US3877417A (en) * 1973-10-15 1975-04-15 Xerox Corp Transfer corona generating device with support brushes
GB1485148A (en) * 1973-12-17 1977-09-08 Oce Van Der Grinten Nv Apparatus for the development of an electrostatic charge image on a support
DE2831805C2 (en) * 1978-07-19 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Storage container for powdery toner
US4310611A (en) * 1979-06-29 1982-01-12 Eastman Kodak Company Electrographic magnetic carrier particles
JPS59119371A (en) * 1982-12-27 1984-07-10 Ricoh Co Ltd Developing device
JP2531133B2 (en) * 1985-10-07 1996-09-04 ミノルタ株式会社 Development device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US668941A (en) * 1900-04-21 1901-02-26 Guy H Waring Method of magnetically separating ores.
US1114071A (en) * 1913-07-03 1914-10-20 Krupp Ag Grusonwerk Magnetic separator.
US2376922A (en) * 1941-06-04 1945-05-29 Behr Manning Corp Method of and apparatus for making pile fabrics
US2625905A (en) * 1950-04-13 1953-01-20 Rosson Richards Proc Co Inc Apparatus for applying coating material to pipe
US2686733A (en) * 1951-07-17 1954-08-17 Dunlop Tire & Rubber Corp Production of pile fabrics
US2811465A (en) * 1952-04-30 1957-10-29 Rca Corp Electrostatic printing
NL174651B (en) * 1952-07-26 Rhone Poulenc Textile METHOD FOR PREPARING ANTISTATIC COMPOUNDS BASED ON POLYESTERS.
US2786440A (en) * 1953-06-30 1957-03-26 Rca Corp Electrophotographic developing apparatus
US2854947A (en) * 1953-07-01 1958-10-07 Rca Corp Electrostatic printing
US2786441A (en) * 1953-07-20 1957-03-26 Rca Corp Apparatus for applying electrostatic developer powder by means of a magnetic brush
US2763204A (en) * 1955-05-11 1956-09-18 Sperry Rand Corp Magnetic printer
US2791949A (en) * 1956-02-01 1957-05-14 Haloid Co Xerographic copying device
US2822779A (en) * 1956-09-24 1958-02-11 Century Geophysical Corp Developer for electrostatic photography

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386577A (en) * 1977-09-10 1983-06-07 Canon Kabushiki Kaisha Developing apparatus for electrostatic image

Also Published As

Publication number Publication date
BE564031A (en)
US3003462A (en) 1961-10-10
CH342587A (en) 1959-11-30
FR1197882A (en) 1959-12-03
DE1067305B (en) 1959-10-15

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