CA1151932A - Developing apparatus including a toner particle with magnetic and non-magnetic portions - Google Patents

Developing apparatus including a toner particle with magnetic and non-magnetic portions

Info

Publication number: CA1151932A
Authority: CA; Canada
Prior art keywords: toner particle; magnetic; magnetic portion; developer mixture; latent image
Prior art date: 1981-01-29
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

CA000391760A

Other languages

English (en)

French (fr)

Inventor

Avinash R. Karnik

Gary L. Whittaker

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.)

1981-01-29

Filing date

1981-12-08

Publication date

1983-08-16

1981-12-08 Application filed by Xerox Corp filed Critical Xerox Corp

1983-08-16 Application granted granted Critical

1983-08-16 Publication of CA1151932A publication Critical patent/CA1151932A/en

Status Expired legal-status Critical Current

Links

239000002245 particle Substances 0.000 title claims abstract description 95
230000005291 magnetic effect Effects 0.000 title claims abstract description 63
239000000203 mixture Substances 0.000 claims abstract description 34
239000008187 granular material Substances 0.000 claims abstract description 32
239000000463 material Substances 0.000 claims description 23
239000003302 ferromagnetic material Substances 0.000 claims description 3
239000004033 plastic Substances 0.000 claims description 3
238000011161 development Methods 0.000 description 20
230000018109 developmental process Effects 0.000 description 20
239000000843 powder Substances 0.000 description 12
239000000696 magnetic material Substances 0.000 description 5
238000000034 method Methods 0.000 description 5
239000011347 resin Substances 0.000 description 5
229920005989 resin Polymers 0.000 description 5
238000004140 cleaning Methods 0.000 description 4
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
238000012546 transfer Methods 0.000 description 4
239000011230 binding agent Substances 0.000 description 3
238000003384 imaging method Methods 0.000 description 3
239000006249 magnetic particle Substances 0.000 description 3
238000012986 modification Methods 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012545 processing Methods 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
238000011109 contamination Methods 0.000 description 2
230000005686 electrostatic field Effects 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000000758 substrate Substances 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
238000006424 Flood reaction Methods 0.000 description 1
229910001370 Se alloy Inorganic materials 0.000 description 1
BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical class [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
239000000956 alloy Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000003086 colorant Substances 0.000 description 1
230000002542 deteriorative effect Effects 0.000 description 1
230000005294 ferromagnetic effect Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
239000006247 magnetic powder Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229920006122 polyamide resin Polymers 0.000 description 1
238000009877 rendering Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
229910000859 α-Fe Inorganic materials 0.000 description 1

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
- G03G9/0821—Developers with toner particles characterised by physical parameters
- G03G9/0823—Electric parameters
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/06—Developing
- G03G13/08—Developing using a solid developer, e.g. powder developer
- G03G13/09—Developing using a solid developer, e.g. powder developer using magnetic brush
- 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
- G03G9/083—Magnetic toner particles

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Developing Agents For Electrophotography (AREA)
Magnetic Brush Developing In Electrophotography (AREA)

CA000391760A 1981-01-29 1981-12-08 Developing apparatus including a toner particle with magnetic and non-magnetic portions Expired CA1151932A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US22969281A	1981-01-29	1981-01-29
US229,692		1981-01-29

Publications (1)

Publication Number	Publication Date
CA1151932A true CA1151932A (en)	1983-08-16

Family

ID=22862315

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000391760A Expired CA1151932A (en)	1981-01-29	1981-12-08	Developing apparatus including a toner particle with magnetic and non-magnetic portions

Country Status (3)

Country	Link
EP (1)	EP0057585A3 (de)
JP (1)	JPS57147647A (de)
CA (1)	CA1151932A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL9000912A (nl) *	1990-04-18	1991-11-18	Oce Nederland Bv	Werkwijze voor het vormen van zichtbare beelden, alsmede tonerpoeder ten gebruike in de werkwijze.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3345294A (en) *	1964-04-28	1967-10-03	American Photocopy Equip Co	Developer mix for electrostatic printing
US4185916A (en) *	1977-04-08	1980-01-29	Xerox Corporation	Composite developer particles and apparatus for using same

1981
- 1981-12-08 CA CA000391760A patent/CA1151932A/en not_active Expired
1982
- 1982-01-27 JP JP57011469A patent/JPS57147647A/ja active Pending
- 1982-01-29 EP EP82300462A patent/EP0057585A3/de not_active Withdrawn

Also Published As

Publication number	Publication date
EP0057585A3 (de)	1982-10-06
JPS57147647A (en)	1982-09-11
EP0057585A2 (de)	1982-08-11

Legal Events

Date	Code	Title	Description
2000-08-16	MKEX	Expiry

Publication	Publication Date	Title
CA1092800A (en)	1981-01-06	Developer roll
US4876575A (en)	1989-10-24	Printing apparatus including apparatus and method for charging and metering toner particles
EP0414455A2 (de)	1991-02-27	Hybrid-Entwicklungssystem
US4697914A (en)	1987-10-06	Toner containment method and apparatus
US4320958A (en)	1982-03-23	Combined processing unit
CA1171269A (en)	1984-07-24	Development system
US4891673A (en)	1990-01-02	Development system
US4565437A (en)	1986-01-21	Hybrid development system
US5280323A (en)	1994-01-18	Development apparatus employing magnetic field shapers
US5416566A (en)	1995-05-16	Development apparatus having an improved developer feeder roll
US20040114967A1 (en)	2004-06-17	Developer member adapted for depositing developer material on an imaging surface
US4080054A (en)	1978-03-21	Device for replenishing toner particles
US4292923A (en)	1981-10-06	Development system
CA1184591A (en)	1985-03-26	Magnetic brush cleaning system
US4641946A (en)	1987-02-10	Development system
JPH0514906B2 (de)	1993-02-26
US4057666A (en)	1977-11-08	Magnetic brush developer roll for electrostatic reproduction machines
US5204719A (en)	1993-04-20	Development system
CN100511015C (zh)	2009-07-08	载体颗粒拾取装置和静电成像复印机
CA1103740A (en)	1981-06-23	Transfer of conductive particles
US5315354A (en)	1994-05-24	Carrier bead seal
EP0057585A2 (de)	1982-08-11	Entwicklergemisch
CA1247692A (en)	1988-12-28	Developer metering structure
CA1140806A (en)	1983-02-08	Self-spaced development system
US4727823A (en)	1988-03-01	Magnetic roll structure for transporting single component magnetic developer