CA1135046A - Appareil de developpement a balai magnetique - Google Patents

Appareil de developpement a balai magnetique

Info

Publication number: CA1135046A
Authority: CA; Canada
Prior art keywords: magnetic; magnetic pole; magnet; pole portion; electrostatic image
Prior art date: 1978-01-11
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

CA000319418A

Other languages

English (en)

Inventor

Kouji Suzuki

Mitsuo Tanaka

Kazuo Kobayashi

Kazuaki Tagawa

Manabu Mochizuki

Masahide Harada

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.)

Ricoh Co Ltd

Original Assignee

Ricoh Co Ltd

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.)

1978-01-11

Filing date

1979-01-10

Publication date

1982-11-09

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26335093&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1135046(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1978-01-11 Priority claimed from JP180878A external-priority patent/JPS5495243A/ja

1978-03-15 Priority claimed from JP2956978A external-priority patent/JPS54122131A/ja

1979-01-10 Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd

1982-11-09 Application granted granted Critical

1982-11-09 Publication of CA1135046A publication Critical patent/CA1135046A/fr

Status Expired legal-status Critical Current

Links

230000005291 magnetic effect Effects 0.000 title claims abstract description 274
238000011161 development Methods 0.000 title claims abstract description 83
239000006247 magnetic powder Substances 0.000 claims abstract description 6
230000033001 locomotion Effects 0.000 claims description 10
238000011144 upstream manufacturing Methods 0.000 claims description 7
230000018109 developmental process Effects 0.000 description 64
238000009826 distribution Methods 0.000 description 19
238000000034 method Methods 0.000 description 13
230000002093 peripheral effect Effects 0.000 description 5
230000000903 blocking effect Effects 0.000 description 4
230000008021 deposition Effects 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000003302 ferromagnetic material Substances 0.000 description 2
230000004907 flux Effects 0.000 description 2
239000002245 particle Substances 0.000 description 2
101100445364 Mus musculus Eomes gene Proteins 0.000 description 1
208000036366 Sensation of pressure Diseases 0.000 description 1
101100445365 Xenopus laevis eomes gene Proteins 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000006698 induction Effects 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
230000035939 shock Effects 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1

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)

CA000319418A 1978-01-11 1979-01-10 Appareil de developpement a balai magnetique Expired CA1135046A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP1808/78		1978-01-11
JP180878A JPS5495243A (en)	1978-01-11	1978-01-11	Magnetic brush developing device
JP29569/78		1978-03-15
JP2956978A JPS54122131A (en)	1978-03-15	1978-03-15	Magnetic brush developing device

Publications (1)

Publication Number	Publication Date
CA1135046A true CA1135046A (fr)	1982-11-09

Family

ID=26335093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000319418A Expired CA1135046A (fr)	1978-01-11	1979-01-10	Appareil de developpement a balai magnetique

Country Status (2)

Country	Link
EP (2)	EP0031503B1 (fr)
CA (1)	CA1135046A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60229074A (ja) *	1984-04-27	1985-11-14	Toshiba Corp	トナ−濃度検出装置
EP0349326B1 (fr) *	1988-07-01	1994-01-05	Canon Kabushiki Kaisha	Appareil de développement
JP5438506B2 (ja)	2006-05-10	2014-03-12	コーニンクレッカフィリップスエヌヴェ	磁気システム
JP6938167B2 (ja)	2016-03-08	2021-09-22	キヤノン株式会社	画像形成装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE7104099U (de) *		1971-07-08	Addressograph Multigraph Corp	Magnetbürstenentwickler zum Entwickeln elektrostatisch geformter Bilder auf Blatt material
US3333572A (en) *	1965-04-27	1967-08-01	Rca Corp	Electrostatic printing
US3402698A (en) *	1966-06-06	1968-09-24	Konishiroku Photo Ind	Magnet assembly for magnetic developing brush and developing apparatus for electrostatic process
JPS475648U (fr) *	1971-02-13	1972-09-19
US3939801A (en) *	1973-09-10	1976-02-24	Minolta Camera Kabushiki Kaisha	Magnetic brush developing apparatus
JPS5843739B2 (ja) *	1974-10-10	1983-09-28	キヤノン株式会社	現像装置
DE2452879B2 (de) *	1974-11-07	1979-03-01	Hitachi Metals, Ltd., Tokio	Magnetwalze
US4048958A (en) *	1976-03-08	1977-09-20	Fuji Xerox Co., Ltd.	Magnetic brush developing device

1979
- 1979-01-10 CA CA000319418A patent/CA1135046A/fr not_active Expired
- 1979-01-11 EP EP80107642A patent/EP0031503B1/fr not_active Expired
- 1979-01-11 EP EP19790100081 patent/EP0003134B1/fr not_active Expired

Also Published As

Publication number	Publication date
EP0031503A2 (fr)	1981-07-08
EP0003134A1 (fr)	1979-07-25
EP0031503B1 (fr)	1985-08-07
EP0031503A3 (en)	1981-09-09
EP0003134B1 (fr)	1981-10-14

Similar Documents

Publication	Publication Date	Title
US5286918A (en)	1994-02-15	Developing apparatus using a developer carrier capable of forming microfields on the surface thereof
US4331100A (en)	1982-05-25	Magnetic brush development apparatus
US4486089A (en)	1984-12-04	Magnetic brush developing means
EP0686893B1 (fr)	1999-09-01	Appareil de développement muni d'un rouleau de développement
US4127327A (en)	1978-11-28	Apparatuses incorporating a composite support member
CA1135046A (fr)	1982-11-09	Appareil de developpement a balai magnetique
US5897246A (en)	1999-04-27	Magnet roll and developing method using the same
US6677098B2 (en)	2004-01-13	Developer composition for non-interactive magnetic brush development
JPS6255149B2 (fr)	1987-11-18
JPS6316738B2 (fr)	1988-04-11
US6580891B1 (en)	2003-06-17	Apparatus and method for non-interactive magnetic brush development
US6617089B2 (en)	2003-09-09	Developer composition for non-interactive magnetic brush development
JP3281139B2 (ja)	2002-05-13	帯電装置
US4895105A (en)	1990-01-23	Developing apparatus with pressure regulating member
JPS5930917Y2 (ja)	1984-09-03	磁気ブラシ現像装置
US6671483B2 (en)	2003-12-30	Apparatus and method for non-interactive magnetic brush development
GB1590980A (en)	1981-06-10	Toner density sensing apparatus
US20030099896A1 (en)	2003-05-29	Developer composition for non-interactive magnetic brush development
JPS61141468A (ja)	1986-06-28	現像器
JP3142034B2 (ja)	2001-03-07	感光体の帯電装置及び帯電方法
JPH05134552A (ja)	1993-05-28	現像ローラー・現像ローラー着磁用ヨークおよび現像ローラー着磁方法
JP3092427B2 (ja)	2000-09-25	現像装置
JP3009435B2 (ja)	2000-02-14	磁気ブラシ現像方法
US20030099490A1 (en)	2003-05-29	Apparatus and method for non-interactive magnetic brush development
JPS5846349A (ja)	1983-03-17	電荷潜像反転現像方法

Legal Events

Date	Code	Title	Description
1999-11-09	MKEX	Expiry