JPS6244269B2 - - Google Patents
Info
- Publication number
- JPS6244269B2 JPS6244269B2 JP52044015A JP4401577A JPS6244269B2 JP S6244269 B2 JPS6244269 B2 JP S6244269B2 JP 52044015 A JP52044015 A JP 52044015A JP 4401577 A JP4401577 A JP 4401577A JP S6244269 B2 JPS6244269 B2 JP S6244269B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic roller
- trough
- tank
- developer powder
- rotating magnetic
- 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
- 239000000843 powder Substances 0.000 claims description 120
- 239000002245 particle Substances 0.000 claims description 50
- 238000003756 stirring Methods 0.000 claims description 19
- 238000013019 agitation Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000011161 development Methods 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 description 23
- 230000018109 developmental process Effects 0.000 description 13
- 238000002156 mixing Methods 0.000 description 12
- 230000001737 promoting effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000009423 ventilation Methods 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
-
- 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
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
- G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
-
- 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
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
- G03G15/0893—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/08—Details of powder developing device not concerning the development directly
- G03G2215/0802—Arrangements for agitating or circulating developer material
- G03G2215/0816—Agitator type
- G03G2215/0827—Augers
- G03G2215/083—Augers with two opposed pitches on one shaft
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7604400A NL7604400A (nl) | 1976-04-26 | 1976-04-26 | Inrichting voor het ontwikkelen van een elektro- statisch ladingsbeeld. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52130644A JPS52130644A (en) | 1977-11-02 |
| JPS6244269B2 true JPS6244269B2 (ref) | 1987-09-18 |
Family
ID=19826068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4401577A Granted JPS52130644A (en) | 1976-04-26 | 1977-04-15 | Developing apparatus for electrostatic charge image |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4112870A (ref) |
| JP (1) | JPS52130644A (ref) |
| CA (1) | CA1099094A (ref) |
| DE (1) | DE2718319C2 (ref) |
| FR (1) | FR2349864A1 (ref) |
| GB (1) | GB1542019A (ref) |
| NL (1) | NL7604400A (ref) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602598Y2 (ja) * | 1978-04-19 | 1985-01-24 | 株式会社東芝 | トナ−濃度検知装置 |
| NL7808419A (nl) * | 1978-08-14 | 1980-02-18 | Oce Nederland Bv | Tonerconcentratieregeling. |
| DE3009471C2 (de) * | 1979-03-15 | 1982-04-29 | Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa | Entwicklertransportvorrichtung für elektrostatische Kopiergeräte |
| DE3118995C2 (de) * | 1981-05-13 | 1983-02-03 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur Einstellung der Höhe eines aus Toner und Trägerteilchen bestehenden Entwicklergemisches auf einer Entwicklerwalze |
| US4536681A (en) * | 1983-07-19 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Temperature compensated time exposure control circuit |
| US4570572A (en) * | 1985-03-28 | 1986-02-18 | Eastman Kodak Company | Electrographic development apparatus |
| US4739907A (en) * | 1987-04-27 | 1988-04-26 | Xerox Corporation | Developer storage and dispenser apparatus |
| US5890033A (en) * | 1997-11-03 | 1999-03-30 | Xerox Corporation | Developer housing heater using a centrally heated mixing auger |
| JP3934792B2 (ja) * | 1998-01-09 | 2007-06-20 | シャープ株式会社 | 現像装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894744A (en) * | 1956-12-18 | 1959-07-14 | Bruning Charles Co Inc | Feed rollers for photo-conductive insulating material |
| US3358637A (en) * | 1962-04-24 | 1967-12-19 | Plastic Coating Corp | Toner unit for photoelectrostatic reproduction equipment |
| US3399652A (en) * | 1967-06-14 | 1968-09-03 | Addressograph Multigraph | Automatic toner concentrate detector |
| US3487978A (en) * | 1967-06-14 | 1970-01-06 | Addressograph Multigraph | Automatic toner concentrate detector |
| DE2052835A1 (de) * | 1969-10-20 | 1971-05-06 | Minnesota Mining & Mfg | Einrichtung zum Auftragen eines magnetisierbaren Pulvers auf eine Unter lage |
| US3664299A (en) * | 1970-12-07 | 1972-05-23 | Eg & G Inc | Electrostatic recording paper toner section |
| US3817616A (en) * | 1972-10-06 | 1974-06-18 | Xerox Corp | Thermal chamber for a developability regulating apparatus |
| JPS4998638A (ref) * | 1973-01-25 | 1974-09-18 | ||
| US3926338A (en) * | 1973-11-05 | 1975-12-16 | Xerox Corp | Thermally insensitive particle concentration controller |
| NL177052C (nl) * | 1973-12-17 | 1985-07-16 | Oce Van Der Grinten Nv | Inrichting voor het ontwikkelen van een electrostatisch ladingsbeeld op een drager. |
| GB1485148A (en) * | 1973-12-17 | 1977-09-08 | Oce Van Der Grinten Nv | Apparatus for the development of an electrostatic charge image on a support |
| US3999514A (en) * | 1975-09-29 | 1976-12-28 | International Business Machines Corporation | Magnetic brush developer |
| US4014291A (en) * | 1976-01-26 | 1977-03-29 | Nashua Corporation | Image developing system |
-
1976
- 1976-04-26 NL NL7604400A patent/NL7604400A/xx not_active Application Discontinuation
-
1977
- 1977-04-15 JP JP4401577A patent/JPS52130644A/ja active Granted
- 1977-04-21 FR FR7712031A patent/FR2349864A1/fr active Granted
- 1977-04-25 CA CA276,848A patent/CA1099094A/en not_active Expired
- 1977-04-25 DE DE2718319A patent/DE2718319C2/de not_active Expired
- 1977-04-26 GB GB7717390A patent/GB1542019A/en not_active Expired
- 1977-04-26 US US05/791,158 patent/US4112870A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA1099094A (en) | 1981-04-14 |
| FR2349864A1 (fr) | 1977-11-25 |
| US4112870A (en) | 1978-09-12 |
| GB1542019A (en) | 1979-03-14 |
| DE2718319C2 (de) | 1986-06-26 |
| DE2718319A1 (de) | 1977-11-03 |
| NL7604400A (nl) | 1977-10-28 |
| FR2349864B1 (ref) | 1983-10-07 |
| JPS52130644A (en) | 1977-11-02 |
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