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CA949928A - Method and apparatus for electrostatically classifying toner particles - Google Patents

Method and apparatus for electrostatically classifying toner particles

Info

Publication number
CA949928A
CA949928A CA095,880A CA95880A CA949928A CA 949928 A CA949928 A CA 949928A CA 95880 A CA95880 A CA 95880A CA 949928 A CA949928 A CA 949928A
Authority
CA
Canada
Prior art keywords
electrostatically
toner particles
classifying toner
classifying
particles
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
CA095,880A
Inventor
Bruce R. Robinson
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Priority to CA184,711A priority Critical patent/CA956273A/en
Application granted granted Critical
Publication of CA949928A publication Critical patent/CA949928A/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
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0906—Organic dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/04—Sorting according to size
    • B07C5/08—Sorting according to size measured electrically or electronically
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0266—Investigating particle size or size distribution with electrical classification
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrostatic Separation (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
CA095,880A 1969-10-20 1970-10-19 Method and apparatus for electrostatically classifying toner particles Expired CA949928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA184,711A CA956273A (en) 1969-10-20 1973-10-31 Method for electrostatically classifying toner particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86773969A 1969-10-20 1969-10-20

Publications (1)

Publication Number Publication Date
CA949928A true CA949928A (en) 1974-06-25

Family

ID=25350380

Family Applications (1)

Application Number Title Priority Date Filing Date
CA095,880A Expired CA949928A (en) 1969-10-20 1970-10-19 Method and apparatus for electrostatically classifying toner particles

Country Status (5)

Country Link
US (1) US3662884A (en)
JP (1) JPS512250B1 (en)
CA (1) CA949928A (en)
DE (1) DE2051501A1 (en)
GB (1) GB1327942A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938178B1 (en) * 1970-12-02 1974-10-16
US3960738A (en) * 1975-01-02 1976-06-01 Eastman Kodak Company Method for producing improved electrographic developer
US4351604A (en) * 1979-04-26 1982-09-28 Ricoh Company, Ltd. Multi-color electrostatic copying apparatus
US4799452A (en) * 1987-07-23 1989-01-24 Precision Image Corporation Liquid toner recycling system and method
US5578771A (en) * 1993-02-12 1996-11-26 Outokumpu Mintec Oy Method for measuring particle size distribution
JP2008216688A (en) * 2007-03-05 2008-09-18 Casio Electronics Co Ltd Manufacturing method of electrophotographic toner and manufacturing apparatus thereof
JP4893768B2 (en) * 2009-03-25 2012-03-07 ブラザー工業株式会社 Developer supply device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US263416A (en) * 1882-08-29 lister
US476991A (en) * 1892-06-14 Thomas a
US1551397A (en) * 1925-08-25 A corpora
US1355477A (en) * 1918-11-04 1920-10-12 United Chemical & Organic Prod Means for separating mixtures
US2428224A (en) * 1943-06-18 1947-09-30 Ritter Products Corp Wiper for rotary electrodes

Also Published As

Publication number Publication date
US3662884A (en) 1972-05-16
DE2051501A1 (en) 1971-04-29
JPS512250B1 (en) 1976-01-24
GB1327942A (en) 1973-08-22

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