CA984133A - Developer seal - Google Patents
Developer sealInfo
- Publication number
- CA984133A CA984133A CA182,359A CA182359A CA984133A CA 984133 A CA984133 A CA 984133A CA 182359 A CA182359 A CA 182359A CA 984133 A CA984133 A CA 984133A
- Authority
- CA
- Canada
- Prior art keywords
- developer seal
- developer
- seal
- 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
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
- G03G15/0801—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer for cascading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00309386A US3809012A (en) | 1972-11-24 | 1972-11-24 | Developer seal |
Publications (1)
Publication Number | Publication Date |
---|---|
CA984133A true CA984133A (en) | 1976-02-24 |
Family
ID=23198023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA182,359A Expired CA984133A (en) | 1972-11-24 | 1973-09-28 | Developer seal |
Country Status (5)
Country | Link |
---|---|
US (1) | US3809012A (en) |
JP (1) | JPS4989538A (en) |
CA (1) | CA984133A (en) |
GB (1) | GB1438704A (en) |
NL (1) | NL7315272A (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3872826A (en) * | 1973-10-23 | 1975-03-25 | Xerox Corp | Development system seal |
US3906899A (en) * | 1974-06-10 | 1975-09-23 | Xerox Corp | Developer seal |
US4168901A (en) * | 1975-01-21 | 1979-09-25 | Canon Kabushiki Kaisha | Developer housing sealing device for electrophotography |
DE2507152C3 (en) * | 1975-02-19 | 1978-11-02 | Agfa-Gevaert Ag, 5090 Leverkusen | Cleaning device for electrophotographic copiers |
JPS5815791B2 (en) * | 1975-04-07 | 1983-03-28 | 株式会社ケイアイピ− | Denshi Fukushi Yakinio Kergen Zosouchi |
US4040386A (en) * | 1975-05-01 | 1977-08-09 | Xerox Corporation | Retractable edge seals for electrostatographic development systems |
US4108112A (en) * | 1977-05-31 | 1978-08-22 | Xerox Corporation | Developer housing |
US4108111A (en) * | 1977-05-31 | 1978-08-22 | Xerox Corporation | Developer housing |
JPS5459943A (en) * | 1977-10-21 | 1979-05-15 | Canon Inc | Developing device |
JPS57103447U (en) * | 1980-12-17 | 1982-06-25 | ||
US4394086A (en) * | 1982-03-24 | 1983-07-19 | Xerox Corporation | Particle containment apparatus |
JPS58172678A (en) * | 1982-04-04 | 1983-10-11 | Mita Ind Co Ltd | Cleaning device of electrostatic photographic copying machine |
JPS59152467A (en) * | 1983-02-21 | 1984-08-31 | Ricoh Co Ltd | Dry developing device |
US4571060A (en) * | 1984-10-22 | 1986-02-18 | Xerox Corporation | Housing seal |
US4575217A (en) * | 1984-12-04 | 1986-03-11 | Eastman Kodak Company | Apparatus for selectively sealing a discrete dielectric sheet developer station |
JPH0755564Y2 (en) * | 1986-12-29 | 1995-12-20 | 株式会社リコー | Magnetic powder holder |
JP2646393B2 (en) * | 1989-05-31 | 1997-08-27 | キヤノン株式会社 | Developing device |
JPH0344688A (en) * | 1989-07-12 | 1991-02-26 | Konica Corp | Method and device for sealing toner |
JPH0468379A (en) * | 1990-07-09 | 1992-03-04 | Sharp Corp | Developing device |
JP3086037B2 (en) * | 1990-12-11 | 2000-09-11 | ゼロックス コーポレイション | Image forming apparatus and image forming sheet |
US5138382A (en) * | 1991-03-27 | 1992-08-11 | Xerox Corporation | Apparatus and method for creating a developer housing seal via a curtain of carrier beads |
US5166733A (en) * | 1992-01-30 | 1992-11-24 | Xerox Corporation | Blade and seal for preventing migration of toner particles from a developer roll in an electrophotographic printer |
JP3593792B2 (en) * | 1996-06-06 | 2004-11-24 | ブラザー工業株式会社 | Printing process unit |
US6487383B2 (en) | 2001-04-12 | 2002-11-26 | Lexmark International, Inc. | Dynamic end-seal for toner development unit |
US6553195B2 (en) | 2001-09-27 | 2003-04-22 | Kurt Matthew Korfhage | Dynamic end seal for image forming apparatus |
US7623807B2 (en) * | 2005-12-15 | 2009-11-24 | Lexmark International, Inc. | Dynamic seal for component surfaces |
US8099012B2 (en) * | 2007-12-18 | 2012-01-17 | Lexmark International, Inc. | Developer roll lip seal |
US8116657B2 (en) * | 2007-12-18 | 2012-02-14 | Lexmark International, Inc. | Upper seal for inhibiting doctor blade toner leakage |
US8644725B2 (en) | 2011-05-18 | 2014-02-04 | Lexmark International, Inc. | Multiple stiffness seal for imaging component surfaces |
JP5941883B2 (en) * | 2013-08-13 | 2016-06-29 | 京セラドキュメントソリューションズ株式会社 | Developing device and image forming apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424131A (en) * | 1964-09-30 | 1969-01-28 | Xerox Corp | Electroded cascade development system |
US3332328A (en) * | 1965-03-01 | 1967-07-25 | Xerox Corp | Xerographic developer seal and process |
US3640246A (en) * | 1969-11-07 | 1972-02-08 | Xerox Corp | Development apparatus for latent electrostatic images |
US3635196A (en) * | 1969-12-30 | 1972-01-18 | Xerox Corp | Pneumatically controlled seal |
-
1972
- 1972-11-24 US US00309386A patent/US3809012A/en not_active Expired - Lifetime
-
1973
- 1973-09-28 CA CA182,359A patent/CA984133A/en not_active Expired
- 1973-11-07 NL NL7315272A patent/NL7315272A/xx unknown
- 1973-11-22 GB GB5423373A patent/GB1438704A/en not_active Expired
- 1973-11-22 JP JP48132100A patent/JPS4989538A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4989538A (en) | 1974-08-27 |
GB1438704A (en) | 1976-06-09 |
NL7315272A (en) | 1974-01-25 |
US3809012A (en) | 1974-05-07 |
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