DE4003974C2 - - Google Patents
Info
- Publication number
- DE4003974C2 DE4003974C2 DE19904003974 DE4003974A DE4003974C2 DE 4003974 C2 DE4003974 C2 DE 4003974C2 DE 19904003974 DE19904003974 DE 19904003974 DE 4003974 A DE4003974 A DE 4003974A DE 4003974 C2 DE4003974 C2 DE 4003974C2
- Authority
- DE
- Germany
- Prior art keywords
- sealing
- toner
- thin film
- film sleeve
- peripheral surface
- 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
- 238000007789 sealing Methods 0.000 claims description 53
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000010409 thin film Substances 0.000 description 46
- 239000010408 film Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000011888 foil Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007740 vapor deposition 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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
-
- 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
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
- G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1031825A JP2819583B2 (ja) | 1989-02-10 | 1989-02-10 | 現像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4003974A1 DE4003974A1 (de) | 1990-08-16 |
| DE4003974C2 true DE4003974C2 (enrdf_load_stackoverflow) | 1992-05-07 |
Family
ID=12341858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19904003974 Granted DE4003974A1 (de) | 1989-02-10 | 1990-02-09 | Entwicklungseinrichtung mit einer abdichtkonstruktion zum verhindern von tonerleckschaden |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2819583B2 (enrdf_load_stackoverflow) |
| DE (1) | DE4003974A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2582948B2 (ja) * | 1991-03-29 | 1997-02-19 | 富士通株式会社 | 現像器 |
| US6975342B2 (en) * | 2002-10-17 | 2005-12-13 | Hewlett-Packard Development Company, L.P. | Print cartridge |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4800411A (en) * | 1986-04-10 | 1989-01-24 | Ricoh Company, Ltd. | Magnetic brush development device for electrostatic latent images |
| GB2197258B (en) * | 1986-09-05 | 1991-05-22 | Ricoh Kk | Electrostatic recording apparatus |
| US4791882A (en) * | 1986-10-08 | 1988-12-20 | Minolta Camera Kabushiki Kaisha | Loosely mounted outer sleeve member with biasing means |
-
1989
- 1989-02-10 JP JP1031825A patent/JP2819583B2/ja not_active Expired - Lifetime
-
1990
- 1990-02-09 DE DE19904003974 patent/DE4003974A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02230172A (ja) | 1990-09-12 |
| DE4003974A1 (de) | 1990-08-16 |
| JP2819583B2 (ja) | 1998-10-30 |
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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 |