IT990692B - Dispositivo per prevenire la conta minazione di elementi girevoli particolarmente utile in apparec chiature di stampa elettrostato grafica - Google Patents
Dispositivo per prevenire la conta minazione di elementi girevoli particolarmente utile in apparec chiature di stampa elettrostato graficaInfo
- Publication number
- IT990692B IT990692B IT25877/73A IT2587773A IT990692B IT 990692 B IT990692 B IT 990692B IT 25877/73 A IT25877/73 A IT 25877/73A IT 2587773 A IT2587773 A IT 2587773A IT 990692 B IT990692 B IT 990692B
- Authority
- IT
- Italy
- Prior art keywords
- electrostate
- graphics
- counting
- prevent
- particularly useful
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/82—Arrangements for electrostatic or magnetic action against dust or other particles
-
- 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
- G03G15/0942—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with means for preventing toner scattering from the magnetic brush, e.g. magnetic seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Sealing Devices (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Sealing Of Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26690572A | 1972-06-28 | 1972-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT990692B true IT990692B (it) | 1975-07-10 |
Family
ID=23016475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25877/73A IT990692B (it) | 1972-06-28 | 1973-06-26 | Dispositivo per prevenire la conta minazione di elementi girevoli particolarmente utile in apparec chiature di stampa elettrostato grafica |
Country Status (9)
Country | Link |
---|---|
US (1) | US3788275A (pl) |
JP (1) | JPS5632628B2 (pl) |
BE (1) | BE801242A (pl) |
CA (1) | CA973703A (pl) |
DE (1) | DE2255978A1 (pl) |
FR (1) | FR2191166B1 (pl) |
GB (2) | GB1438331A (pl) |
IT (1) | IT990692B (pl) |
NL (1) | NL7308988A (pl) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3991713A (en) * | 1974-02-20 | 1976-11-16 | Xerox Corporation | Development apparatus for an electrostatographic printing machine |
JPS50149350A (pl) * | 1974-05-21 | 1975-11-29 | ||
US4041903A (en) * | 1974-05-21 | 1977-08-16 | Konishiroku Photo Industry Co., Ltd. | Developing device for use in electrophotography |
IT1003550B (it) * | 1974-06-28 | 1976-06-10 | Grafosol Spa | Dispositivo di sostegno della matrice negli apparecchi a svi luppo elettrostatico |
US3998184A (en) * | 1975-03-20 | 1976-12-21 | Xerox Corporation | Development apparatus |
JPS5815791B2 (ja) * | 1975-04-07 | 1983-03-28 | 株式会社ケイアイピ− | デンシフクシヤキニオケルゲンゾウソウチ |
JPS5364525A (en) * | 1976-11-22 | 1978-06-09 | Fuji Xerox Co Ltd | Magnetic brush developing device of electrostatic copying machine |
JPS54103043A (en) * | 1978-01-31 | 1979-08-14 | Nippon Telegr & Teleph Corp <Ntt> | Developer |
JPS6312352Y2 (pl) * | 1980-02-26 | 1988-04-08 | ||
JPS6237241Y2 (pl) * | 1980-04-02 | 1987-09-22 | ||
JPS5829479Y2 (ja) * | 1980-05-30 | 1983-06-28 | 東京航空計器株式会社 | 現像剤容器内回転体の軸受部の構造 |
GB8315726D0 (en) * | 1983-06-08 | 1983-07-13 | Xerox Corp | Electrostatographic development apparatus |
GB2141049B (en) * | 1983-06-08 | 1986-07-23 | Xerox Corp | Electrostatographic development apparatus |
JPS6054149U (ja) * | 1983-09-20 | 1985-04-16 | 株式会社東芝 | 現像装置 |
DE3869387D1 (de) * | 1988-02-17 | 1992-04-23 | Freudenberg Carl Fa | Dichtung. |
US4843421A (en) * | 1988-06-24 | 1989-06-27 | Xerox Corporation | System for priming the magnetic brush end seals of copier/printer machines |
EP0390472A3 (en) * | 1989-03-31 | 1991-11-06 | Canon Kabushiki Kaisha | A developing apparatus |
JP2892456B2 (ja) * | 1989-08-04 | 1999-05-17 | キヤノン株式会社 | 現像装置 |
GB2244762B (en) * | 1990-06-08 | 1994-06-08 | Xerox Corp | Bearing assembly for a rotatable member |
JP2899079B2 (ja) * | 1990-07-10 | 1999-06-02 | キヤノン株式会社 | 現像装置 |
US5267003A (en) * | 1992-08-11 | 1993-11-30 | Olivetti Supplies, Inc. | Toner cartridge refilling seal using magnetic material |
US5315354A (en) * | 1993-04-23 | 1994-05-24 | Xerox Corporation | Carrier bead seal |
US5442423A (en) * | 1994-06-23 | 1995-08-15 | Xerox Corporation | External development housing bearings |
US5450169A (en) * | 1994-06-23 | 1995-09-12 | Xerox Corporation | Multi-lobe magnetic seals |
US5552864A (en) | 1995-01-17 | 1996-09-03 | Xerox Corporation | Magnetic seal with tapered shunts |
US7156724B2 (en) * | 2004-12-15 | 2007-01-02 | Qed Technologies International, Inc. | Method and apparatus for forming a dynamic magnetic seal using magnetorheological fluid |
US11095184B2 (en) | 2016-08-23 | 2021-08-17 | Lord Corporation | Magnetic seal for magnetically-responsive devices, systems, and methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2809733A (en) * | 1952-10-29 | 1957-10-15 | Texas Instruments Inc | Magnetic fluid seals in magnetic clutches |
US2863538A (en) * | 1954-10-22 | 1958-12-09 | Eaton Mfg Co | Permanent magnet seal |
US2944843A (en) * | 1957-08-08 | 1960-07-12 | Magnetic Seal Corp | Spring loaded seal |
US2996162A (en) * | 1958-04-07 | 1961-08-15 | Henry C Lehde | Devices for excluding magnetic particles from seals and bearings |
US3254745A (en) * | 1963-01-21 | 1966-06-07 | Isakov Vladimir Olimpijevich | Seal to protect the bearings of powder magnetic clutches or of similar devices against the ferromagnetic powder |
BE792643A (fr) * | 1971-12-17 | 1973-03-30 | Ibm | Dispositif de developpement electrophotographique |
-
1972
- 1972-06-28 US US00266905A patent/US3788275A/en not_active Expired - Lifetime
- 1972-11-02 CA CA155,583A patent/CA973703A/en not_active Expired
- 1972-11-15 DE DE2255978A patent/DE2255978A1/de active Pending
-
1973
- 1973-06-21 BE BE132547A patent/BE801242A/xx unknown
- 1973-06-25 GB GB2997573A patent/GB1438331A/en not_active Expired
- 1973-06-25 GB GB5272975A patent/GB1438332A/en not_active Expired
- 1973-06-26 IT IT25877/73A patent/IT990692B/it active
- 1973-06-26 JP JP7215273A patent/JPS5632628B2/ja not_active Expired
- 1973-06-27 NL NL7308988A patent/NL7308988A/xx unknown
- 1973-06-28 FR FR7323737A patent/FR2191166B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE801242A (fr) | 1973-12-21 |
JPS4953444A (pl) | 1974-05-24 |
DE2255978A1 (de) | 1974-01-10 |
GB1438332A (en) | 1976-06-03 |
GB1438331A (en) | 1976-06-03 |
FR2191166A1 (pl) | 1974-02-01 |
CA973703A (en) | 1975-09-02 |
JPS5632628B2 (pl) | 1981-07-29 |
US3788275A (en) | 1974-01-29 |
NL7308988A (pl) | 1974-01-02 |
FR2191166B1 (pl) | 1977-05-13 |
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