IL31757A - Electrostatic copying method and apparatus - Google Patents
Electrostatic copying method and apparatusInfo
- Publication number
- IL31757A IL31757A IL31757A IL3175769A IL31757A IL 31757 A IL31757 A IL 31757A IL 31757 A IL31757 A IL 31757A IL 3175769 A IL3175769 A IL 3175769A IL 31757 A IL31757 A IL 31757A
- Authority
- IL
- Israel
- Prior art keywords
- magnetic
- developer
- latent image
- development
- transport means
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 16
- 230000005291 magnetic effect Effects 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 43
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 238000007600 charging Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 22
- 239000000843 powder Substances 0.000 description 18
- 230000032258 transport Effects 0.000 description 17
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 239000007787 solid Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 108091008695 photoreceptors Proteins 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- -1 aluminum-nickel-cobalt Chemical compound 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 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
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000007786 electrostatic charging Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001313 Cobalt-iron alloy Inorganic materials 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATYMFSXXDJFCKP-UHFFFAOYSA-N [Co].[Mn].[Pt] Chemical compound [Co].[Mn].[Pt] ATYMFSXXDJFCKP-UHFFFAOYSA-N 0.000 description 1
- VDGMIGHRDCJLMN-UHFFFAOYSA-N [Cu].[Co].[Ni] Chemical compound [Cu].[Co].[Ni] VDGMIGHRDCJLMN-UHFFFAOYSA-N 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009966 trimming Methods 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Coating Apparatus (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72304168A | 1968-04-22 | 1968-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL31757A0 IL31757A0 (en) | 1969-05-28 |
| IL31757A true IL31757A (en) | 1973-01-30 |
Family
ID=24904566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL31757A IL31757A (en) | 1968-04-22 | 1969-03-07 | Electrostatic copying method and apparatus |
Country Status (20)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882821A (en) * | 1969-03-08 | 1975-05-13 | Canon Kk | Developing device for electrophotography |
| BE759074A (nl) * | 1969-05-29 | 1971-05-18 | Int Standard Electric Corp | Inrichting en werkwijze voor het behandelen van magnetisch poeder |
| US3866575A (en) * | 1971-09-06 | 1975-02-18 | Canon Kk | Magnet roll developing device |
| NL168347C (nl) * | 1972-03-16 | 1982-03-16 | Oce Van Der Grinten Nv | Werkwijze voor het vervaardigen van zichtbare beelden door een langs elektrofotografische weg gevormd ladingsbeeld te ontwikkelen met een tonerpoeder dat gekleurde of zwarte, fijn verdeelde deeltjes van een thermoplastische hars bevat. |
| JPS576589B2 (enrdf_load_stackoverflow) * | 1973-06-08 | 1982-02-05 | ||
| JPS5045639A (enrdf_load_stackoverflow) * | 1973-08-27 | 1975-04-23 | ||
| JPS5738901B2 (enrdf_load_stackoverflow) * | 1973-12-26 | 1982-08-18 | ||
| US4086873A (en) * | 1974-07-09 | 1978-05-02 | Konishiroku Photo Industry Co., Ltd. | Electrophotographic developing device incorporating a developing electrode having an insulation layer on its surface |
| JPS5116926A (en) * | 1974-08-01 | 1976-02-10 | Mita Industrial Co Ltd | Seidenkasenzono genzohoho |
| US4126100A (en) * | 1974-08-01 | 1978-11-21 | Mita Industrial Company Ltd. | Apparatus for causing a developer powder to make an irregular motion in a developing zone |
| NL7512356A (nl) * | 1975-10-22 | 1977-04-26 | Oce Van Der Grinten Nv | Magneetrol. |
| US4121931A (en) * | 1976-06-30 | 1978-10-24 | Minnesota Mining And Manufacturing Company | Electrographic development process |
| JPS572996Y2 (enrdf_load_stackoverflow) * | 1976-07-22 | 1982-01-19 | ||
| JPS604459B2 (ja) * | 1976-11-08 | 1985-02-04 | コニカ株式会社 | 静電荷像現像剤の製造方法 |
| US4122209A (en) * | 1977-04-18 | 1978-10-24 | E. I. Du Pont De Nemours And Company | Magnetic image decorator |
| US4185130A (en) * | 1977-04-18 | 1980-01-22 | E. I. Du Pont De Nemours And Company | Magnetic image decorator |
| FR2408462A1 (fr) * | 1977-10-24 | 1979-06-08 | Cii Honeywell Bull | Dispositif pour l'application de particules solides sur le support d'enregistrement d'une imprimante non impact |
| JPS54154332A (en) * | 1978-05-25 | 1979-12-05 | Toshiba Corp | Smoke layer forming device of magnetic powder |
| JPS55113074A (en) * | 1979-02-24 | 1980-09-01 | Konishiroku Photo Ind Co Ltd | Developing device for electrophotographic copier |
| US4240374A (en) * | 1979-05-29 | 1980-12-23 | E. I. Du Pont De Nemours And Company | Magnetic image decorator having rotating cylinders and knife blades associated therewith |
| JPS5511299A (en) * | 1979-07-09 | 1980-01-26 | Konishiroku Photo Ind Co Ltd | Image forming method |
| US4292924A (en) * | 1979-10-03 | 1981-10-06 | Xerox Corporation | Magnetic brush apparatus |
| JPS6235096Y2 (enrdf_load_stackoverflow) * | 1980-05-26 | 1987-09-07 | ||
| US4318607A (en) * | 1980-07-14 | 1982-03-09 | Xerox Corporation | Magnet for a development system |
| US4324820A (en) * | 1980-07-18 | 1982-04-13 | St. Regis Paper Company | Method and apparatus for coating a paper web |
| DE3109695A1 (de) * | 1981-03-13 | 1982-09-23 | Olympia Werke Ag, 2940 Wilhelmshaven | Magnetbuersten-entwicklungsvorichtung fuer elektrostatische ladungsbilder auf aufzeichnungstraegern |
| JPS61281251A (ja) * | 1986-05-16 | 1986-12-11 | Konishiroku Photo Ind Co Ltd | 一成分系絶縁性磁性現像剤および一成分系絶縁性磁性現像剤の帯電方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2786439A (en) * | 1953-06-30 | 1957-03-26 | Rca Corp | Electrophotographic developing apparatus |
| US2822779A (en) * | 1956-09-24 | 1958-02-11 | Century Geophysical Corp | Developer for electrostatic photography |
| US3015305A (en) * | 1958-05-23 | 1962-01-02 | Xerox Corp | Development of electrostatic images |
| US3098765A (en) * | 1959-03-16 | 1963-07-23 | Robertson Photo Mechanix Inc | Xerographic brush |
| US3203395A (en) * | 1963-06-14 | 1965-08-31 | Addressograph Multigraph | Apparatus for developing electrostatic images |
| DE1472993B2 (de) * | 1963-12-18 | 1972-02-17 | Kalle Ag, 6202 Wiesbaden-Biebrich | Magnetwalze fuer elektrophotographische zwecke |
| US3318284A (en) * | 1964-01-30 | 1967-05-09 | Hitachi Ltd | Apparatus for developing electrostatic images of records |
| US3429741A (en) * | 1965-06-11 | 1969-02-25 | Eastman Kodak Co | Method of coating using a bead coater |
| US3464383A (en) * | 1966-01-14 | 1969-09-02 | Wilhelm Knechtel | Powder dispensing cylinder for an electrostatic powder fixing device |
| US3358594A (en) * | 1966-01-17 | 1967-12-19 | American Can Co | Electrostatic printing with a magnetic brush feed |
-
1968
- 1968-04-22 US US723041A patent/US3552355A/en not_active Expired - Lifetime
-
1969
- 1969-03-04 IE IE280/69A patent/IE32786B1/xx unknown
- 1969-03-07 IL IL31757A patent/IL31757A/en unknown
- 1969-03-08 NO NO00974/69A patent/NO128037B/no unknown
- 1969-03-18 DE DE19691913696 patent/DE1913696A1/de active Pending
- 1969-03-24 BR BR207459/69A patent/BR6907459D0/pt unknown
- 1969-03-24 BE BE730371D patent/BE730371A/xx unknown
- 1969-03-25 LU LU58295D patent/LU58295A1/xx unknown
- 1969-03-25 JP JP2212769A patent/JPS5344826B1/ja active Pending
- 1969-03-26 SU SU1320651A patent/SU383338A3/ru active
- 1969-03-26 CH CH460269A patent/CH499140A/de not_active IP Right Cessation
- 1969-03-28 SE SE04390/69A patent/SE341530B/xx unknown
- 1969-03-28 DK DK176169AA patent/DK129880B/da unknown
- 1969-03-29 ES ES365439A patent/ES365439A1/es not_active Expired
- 1969-03-31 AT AT316069A patent/AT300575B/de active
- 1969-03-31 CS CS2296A patent/CS161850B2/cs unknown
- 1969-03-31 PL PL1969132668A patent/PL79926B1/pl unknown
- 1969-03-31 RO RO59568A patent/RO61947A/ro unknown
- 1969-03-31 FR FR6909741A patent/FR2006640A1/fr not_active Withdrawn
- 1969-04-01 GB GB06990/69A patent/GB1263566A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE730371A (enrdf_load_stackoverflow) | 1969-09-24 |
| GB1263566A (en) | 1972-02-09 |
| SU383338A3 (enrdf_load_stackoverflow) | 1973-05-25 |
| AT300575B (de) | 1972-07-25 |
| IL31757A0 (en) | 1969-05-28 |
| IE32786B1 (en) | 1973-11-28 |
| SE341530B (enrdf_load_stackoverflow) | 1971-12-27 |
| PL79926B1 (enrdf_load_stackoverflow) | 1975-08-30 |
| US3552355A (en) | 1971-01-05 |
| NO128037B (enrdf_load_stackoverflow) | 1973-09-17 |
| ES365439A1 (es) | 1971-03-16 |
| IE32786L (en) | 1969-10-22 |
| FR2006640A1 (enrdf_load_stackoverflow) | 1970-01-02 |
| CS161850B2 (enrdf_load_stackoverflow) | 1975-06-10 |
| JPS5344826B1 (enrdf_load_stackoverflow) | 1978-12-01 |
| RO61947A (enrdf_load_stackoverflow) | 1977-08-15 |
| DE1913696A1 (de) | 1969-11-13 |
| DK129880C (enrdf_load_stackoverflow) | 1975-05-12 |
| CH499140A (de) | 1970-11-15 |
| BR6907459D0 (pt) | 1973-01-18 |
| DK129880B (da) | 1974-11-25 |
| LU58295A1 (enrdf_load_stackoverflow) | 1969-10-28 |
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