DE4012698C2 - - Google Patents
Info
- Publication number
- DE4012698C2 DE4012698C2 DE4012698A DE4012698A DE4012698C2 DE 4012698 C2 DE4012698 C2 DE 4012698C2 DE 4012698 A DE4012698 A DE 4012698A DE 4012698 A DE4012698 A DE 4012698A DE 4012698 C2 DE4012698 C2 DE 4012698C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- roller
- magnetic pole
- poles
- carrier
- 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 - Fee Related
Links
- 230000005291 magnetic effect Effects 0.000 claims description 124
- 239000000203 mixture Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002068 genetic effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- SUBDBMMJDZJVOS-UHFFFAOYSA-N 5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole Chemical compound N=1C2=CC(OC)=CC=C2NC=1S(=O)CC1=NC=C(C)C(OC)=C1C SUBDBMMJDZJVOS-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000004804 winding 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1102144A JP2794765B2 (ja) | 1989-04-20 | 1989-04-20 | 磁気ロール及び現像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4012698A1 DE4012698A1 (de) | 1990-10-25 |
| DE4012698C2 true DE4012698C2 (enExample) | 1992-10-22 |
Family
ID=14319558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4012698A Granted DE4012698A1 (de) | 1989-04-20 | 1990-04-20 | Magnetische rolle zur verwendung in einem entwicklungsgehaeuse |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5129358A (enExample) |
| JP (1) | JP2794765B2 (enExample) |
| DE (1) | DE4012698A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0683203A (ja) * | 1992-08-28 | 1994-03-25 | Canon Inc | 現像装置 |
| US7194231B2 (en) * | 2004-06-14 | 2007-03-20 | Proweal Counter Corp. | Magnetic roller for image developing means |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3455276A (en) * | 1967-05-23 | 1969-07-15 | Minnesota Mining & Mfg | Magnetically responsive powder applicator |
| US3863603A (en) * | 1974-01-07 | 1975-02-04 | Ibm | Magnetic brush roll having resilient polymeric surface |
| DE2452879B2 (de) * | 1974-11-07 | 1979-03-01 | Hitachi Metals, Ltd., Tokio | Magnetwalze |
| JPS5394940A (en) * | 1977-01-28 | 1978-08-19 | Matsushita Electric Ind Co Ltd | Magnetic roller |
| GB2046634B (en) * | 1979-02-02 | 1983-09-28 | Canon Kk | Magnetic brush developer |
| JPS5681868A (en) * | 1979-12-08 | 1981-07-04 | Olympus Optical Co Ltd | Magnet roll developing device |
| GB2088253B (en) * | 1980-11-01 | 1984-05-10 | Ricoh Kk | Electrophotographic development apparatus |
| US4607933A (en) * | 1983-07-14 | 1986-08-26 | Konishiroku Photo Industry Co., Ltd. | Method of developing images and image recording apparatus utilizing such method |
| JPS61166571A (ja) * | 1985-01-18 | 1986-07-28 | Konishiroku Photo Ind Co Ltd | 現像装置 |
| JPS6324268A (ja) * | 1986-07-16 | 1988-02-01 | Minolta Camera Co Ltd | 現像装置 |
| US4881103A (en) * | 1986-10-31 | 1989-11-14 | Konica Corporation | Developing apparatus |
| JPH0766215B2 (ja) * | 1987-03-31 | 1995-07-19 | 日立金属株式会社 | 現像装置 |
| US4967691A (en) * | 1987-07-17 | 1990-11-06 | Asahi Kogaku Kogyo Kabushiki Kaisha | Developing apparatus for electrophotographic apparatus |
| US4936249A (en) * | 1987-10-07 | 1990-06-26 | Canon Kabushiki Kaisha | Developing apparatus having a two pole stationary magnet |
-
1989
- 1989-04-20 JP JP1102144A patent/JP2794765B2/ja not_active Expired - Fee Related
-
1990
- 1990-04-20 DE DE4012698A patent/DE4012698A1/de active Granted
-
1991
- 1991-08-12 US US07/746,088 patent/US5129358A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02280177A (ja) | 1990-11-16 |
| JP2794765B2 (ja) | 1998-09-10 |
| DE4012698A1 (de) | 1990-10-25 |
| US5129358A (en) | 1992-07-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MINOLTA CO., LTD., OSAKA, JP |
|
| 8339 | Ceased/non-payment of the annual fee |