CA981012A - Magnetic brush for use in developing electrophotographic images - Google Patents

Magnetic brush for use in developing electrophotographic images

Info

Publication number: CA981012A
Authority: CA; Canada
Prior art keywords: magnetic brush; electrophotographic images; developing electrophotographic; developing; images
Prior art date: 1972-12-28
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

CA188,727A

Other languages

English (en)

Inventor

Paul Heinzer

Peter Jeanmarie

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.)

WILFO WISSENSCHAFTLICHES FORSCHUNGS-INSTITUT AG

Original Assignee

WILFO WISSENSCHAFTLICHES FORSCHUNGS-INSTITUT AG

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.)

1972-12-28

Filing date

1973-12-21

Publication date

1976-01-06

1973-12-21 Application filed by WILFO WISSENSCHAFTLICHES FORSCHUNGS-INSTITUT AG filed Critical WILFO WISSENSCHAFTLICHES FORSCHUNGS-INSTITUT AG

1976-01-06 Application granted granted Critical

1976-01-06 Publication of CA981012A publication Critical patent/CA981012A/en

Status 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
- G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration

Landscapes

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

CA188,727A 1972-12-28 1973-12-21 Magnetic brush for use in developing electrophotographic images Expired CA981012A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1894672A CH549234A (de)	1972-12-28	1972-12-28	Magnetische buerste zum entwickeln elektrostatischer bilder mit entwicklerpulver.

Publications (1)

Publication Number	Publication Date
CA981012A true CA981012A (en)	1976-01-06

Family

ID=4436314

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA188,727A Expired CA981012A (en)	1972-12-28	1973-12-21	Magnetic brush for use in developing electrophotographic images

Country Status (14)

Country	Link
US (1)	US3890928A (fr)
JP (1)	JPS4998057A (fr)
AU (1)	AU474329B2 (fr)
BE (1)	BE809167A (fr)
BR (1)	BR7310171D0 (fr)
CA (1)	CA981012A (fr)
CH (1)	CH549234A (fr)
DE (1)	DE2364563A1 (fr)
FR (1)	FR2212570B1 (fr)
GB (1)	GB1405564A (fr)
IT (1)	IT1000470B (fr)
NL (1)	NL7317717A (fr)
SE (1)	SE389747B (fr)
ZA (1)	ZA739385B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS575630Y2 (fr) *	1977-01-31	1982-02-02
US4614420A (en) *	1983-05-31	1986-09-30	Xerox Corporation	Magnetically agitated development system
US4829338A (en) *	1988-01-29	1989-05-09	Xerox Corporation	Electrophotographic device with improved bead pickoff arrangement
US5768667A (en) *	1996-09-04	1998-06-16	Rti International, Inc.	Developer roll magnet for toner cartridge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1006078A (en) *	1960-09-26	1965-09-29	Rank Xerox Ltd	Improved cascade development of electrostatic latent images
US3402698A (en) *	1966-06-06	1968-09-24	Konishiroku Photo Ind	Magnet assembly for magnetic developing brush and developing apparatus for electrostatic process
US3654902A (en) *	1969-11-28	1972-04-11	Plastic Coating Corp	Toner unit for photoelectrostatic reproduction

1972
- 1972-12-28 CH CH1894672A patent/CH549234A/xx not_active IP Right Cessation
1973
- 1973-12-06 AU AU63307/73A patent/AU474329B2/en not_active Expired
- 1973-12-06 GB GB5667073A patent/GB1405564A/en not_active Expired
- 1973-12-11 ZA ZA739385A patent/ZA739385B/xx unknown
- 1973-12-17 IT IT54362/73A patent/IT1000470B/it active
- 1973-12-20 US US426578A patent/US3890928A/en not_active Expired - Lifetime
- 1973-12-21 CA CA188,727A patent/CA981012A/en not_active Expired
- 1973-12-24 DE DE2364563A patent/DE2364563A1/de not_active Withdrawn
- 1973-12-27 FR FR7346590A patent/FR2212570B1/fr not_active Expired
- 1973-12-27 BE BE139328A patent/BE809167A/fr unknown
- 1973-12-27 SE SE7317485A patent/SE389747B/xx unknown
- 1973-12-27 NL NL7317717A patent/NL7317717A/xx unknown
- 1973-12-27 BR BR10171/73A patent/BR7310171D0/pt unknown
- 1973-12-28 JP JP48144789A patent/JPS4998057A/ja active Pending

Also Published As

Publication number	Publication date
ZA739385B (en)	1974-11-27
DE2364563A1 (de)	1974-07-04
SE389747B (sv)	1976-11-15
AU6330773A (en)	1975-06-12
CH549234A (de)	1974-05-15
US3890928A (en)	1975-06-24
NL7317717A (fr)	1974-07-02
GB1405564A (en)	1975-09-10
FR2212570A1 (fr)	1974-07-26
BE809167A (fr)	1974-04-16
AU474329B2 (en)	1975-06-12
IT7354362A1 (it)	1975-06-17
JPS4998057A (fr)	1974-09-17
FR2212570B1 (fr)	1978-03-24
BR7310171D0 (pt)	1974-08-15
IT1000470B (it)	1976-03-30

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