GB1567219A - Electrostatic developing method - Google Patents
Electrostatic developing method Download PDFInfo
- Publication number
- GB1567219A GB1567219A GB3191/77A GB319177A GB1567219A GB 1567219 A GB1567219 A GB 1567219A GB 3191/77 A GB3191/77 A GB 3191/77A GB 319177 A GB319177 A GB 319177A GB 1567219 A GB1567219 A GB 1567219A
- Authority
- GB
- United Kingdom
- Prior art keywords
- toner particles
- toner
- latent image
- carrier
- sleeve
- 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
Links
- 238000000034 method Methods 0.000 title claims description 33
- 239000002245 particle Substances 0.000 claims description 55
- 230000005291 magnetic effect Effects 0.000 claims description 33
- 238000011161 development Methods 0.000 claims description 9
- 230000005684 electric field Effects 0.000 claims description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910001047 Hard ferrite Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004144 decalcomania Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012789 electroconductive film Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006249 magnetic particle 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- 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
- G03G15/0914—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with a one-component toner
-
- 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)
- Developing Agents For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP843076A JPS5292523A (en) | 1976-01-30 | 1976-01-30 | Electrostatic developing method |
| JP1040576A JPS5294138A (en) | 1976-02-04 | 1976-02-04 | Electrostatic developing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1567219A true GB1567219A (en) | 1980-05-14 |
Family
ID=26342942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3191/77A Expired GB1567219A (en) | 1976-01-30 | 1977-01-26 | Electrostatic developing method |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4187330A (enExample) |
| DE (1) | DE2703656C3 (enExample) |
| DK (1) | DK37477A (enExample) |
| FR (1) | FR2339886A1 (enExample) |
| GB (1) | GB1567219A (enExample) |
| IT (1) | IT1082387B (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121931A (en) * | 1976-06-30 | 1978-10-24 | Minnesota Mining And Manufacturing Company | Electrographic development process |
| EP0002845B1 (en) * | 1977-12-22 | 1982-02-17 | Agfa-Gevaert N.V. | Developing device for xerographic copying machines |
| JPS5588070A (en) * | 1978-11-28 | 1980-07-03 | Mita Ind Co Ltd | Developer for electrostatic image |
| JPS6046428B2 (ja) * | 1978-11-28 | 1985-10-16 | 京セラミタ株式会社 | 静電写真複写法 |
| JPS55138765A (en) * | 1979-04-18 | 1980-10-29 | Toshiba Corp | Magnetic brush developing device |
| JPS5640862A (en) * | 1979-09-11 | 1981-04-17 | Canon Inc | Developing device |
| US4282827A (en) * | 1979-09-12 | 1981-08-11 | Xerox Corporation | Development system |
| DE3043040A1 (de) * | 1979-11-14 | 1981-05-21 | Canon K.K., Tokyo | Verfahren zum entwickeln elektrischer latenter bilder sowie eine vorrichtung zur durchfuehrung dieses verfahrens |
| US4433041A (en) * | 1981-03-04 | 1984-02-21 | Hitachi Metals, Ltd. | Recording method |
| US4407925A (en) * | 1981-03-13 | 1983-10-04 | Xerox Corporation | Process for developing electrostatic images with magnetic toner |
| NL8500039A (nl) * | 1985-01-08 | 1986-08-01 | Oce Nederland Bv | Electrofotografische werkwijze voor het vormen van een zichtbaar beeld. |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124457A (en) * | 1962-04-02 | 1964-03-10 | Charge | |
| US3219014A (en) * | 1962-12-04 | 1965-11-23 | Xerox Corp | Mechanical shield to protect magnetic core in xerographic developing apparatus |
| US3909258A (en) * | 1972-03-15 | 1975-09-30 | Minnesota Mining & Mfg | Electrographic development process |
| JPS516730A (ja) * | 1974-07-09 | 1976-01-20 | Konishiroku Photo Ind | Denshishashinfukushahoniokeru genzohoho |
| JPS5116926A (en) * | 1974-08-01 | 1976-02-10 | Mita Industrial Co Ltd | Seidenkasenzono genzohoho |
| DE2538122A1 (de) * | 1975-08-27 | 1977-03-03 | Schlegel Gmbh | Verfahren und vorrichtung zum herstellen von akkumulator-separatortaschen |
| US4003334A (en) * | 1975-11-11 | 1977-01-18 | Speed-O-Print Business Machines Corporation | Developer roller for electrostatic copier |
-
1977
- 1977-01-25 US US05/762,268 patent/US4187330A/en not_active Expired - Lifetime
- 1977-01-26 GB GB3191/77A patent/GB1567219A/en not_active Expired
- 1977-01-28 DE DE2703656A patent/DE2703656C3/de not_active Expired
- 1977-01-28 IT IT67188/77A patent/IT1082387B/it active
- 1977-01-28 FR FR7702537A patent/FR2339886A1/fr active Granted
- 1977-01-28 DK DK37477A patent/DK37477A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1082387B (it) | 1985-05-21 |
| DE2703656A1 (de) | 1977-08-04 |
| US4187330A (en) | 1980-02-05 |
| FR2339886B1 (enExample) | 1982-05-21 |
| DK37477A (da) | 1977-07-31 |
| DE2703656C3 (de) | 1985-10-03 |
| DE2703656B2 (de) | 1980-08-14 |
| FR2339886A1 (fr) | 1977-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4121931A (en) | Electrographic development process | |
| US3909258A (en) | Electrographic development process | |
| US4540646A (en) | Method of developing an electrostatic latent image | |
| US5489747A (en) | Developing device for an image forming apparatus | |
| US3219014A (en) | Mechanical shield to protect magnetic core in xerographic developing apparatus | |
| US4508052A (en) | Developing device | |
| US4309498A (en) | Electrophotography using a magnetic brush | |
| US4187330A (en) | Electrostatic developing method and apparatus using conductive magnetic toner | |
| US3599605A (en) | Self-biasing development electrode for electrophotography | |
| US4662311A (en) | Developing device | |
| US4267248A (en) | Magnet-brush development process of electric pattern images | |
| US3941084A (en) | Automatic toner supplying device | |
| US5325161A (en) | Device for developing an electrostatic image on an image member | |
| JPH0473795B2 (enExample) | ||
| US4295443A (en) | Developing apparatus for electrostatic copying machine | |
| GB2029279A (en) | Developing latent electrostatic images | |
| EP0166544B1 (en) | A developing process for two-coloured electrophotography and a developing apparatus for the same | |
| US4245024A (en) | Development process for an electrophotographic duplicator employing magnetic toner | |
| JPS6255147B2 (enExample) | ||
| US4433041A (en) | Recording method | |
| CA1149151A (en) | Development system | |
| JPS61149968A (ja) | 静電記録装置 | |
| JPH0336573A (ja) | 現像装置 | |
| JPS58186765A (ja) | 現像方法 | |
| US4689285A (en) | Method for developing electrostatic image using magnetic brush and one component magnetic toner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |