[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

GB2350694B - Manufacture of magnetic rollers for use in developing rollers and developing devices - Google Patents

Manufacture of magnetic rollers for use in developing rollers and developing devices

Info

Publication number
GB2350694B
GB2350694B GB0020334A GB0020334A GB2350694B GB 2350694 B GB2350694 B GB 2350694B GB 0020334 A GB0020334 A GB 0020334A GB 0020334 A GB0020334 A GB 0020334A GB 2350694 B GB2350694 B GB 2350694B
Authority
GB
United Kingdom
Prior art keywords
rollers
developing
manufacture
magnetic
devices
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
Application number
GB0020334A
Other versions
GB0020334D0 (en
GB2350694A (en
Inventor
Koji Takagi
Yoshio Takizawa
Eiji Sawa
Shigeru Aoki
Hideharu Daifuku
Koutaro Takebe
Taihei Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP23183297A external-priority patent/JPH1145001A/en
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Publication of GB0020334D0 publication Critical patent/GB0020334D0/en
Publication of GB2350694A publication Critical patent/GB2350694A/en
Application granted granted Critical
Publication of GB2350694B publication Critical patent/GB2350694B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B29C45/401—Ejector pin constructions or mountings
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H01F41/028—Radial anisotropy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H01F7/0268—Magnetic cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/32—Wheels, pinions, pulleys, castors or rollers, Rims
    • B29L2031/324—Rollers or cylinders having an axial length of several times the diameter, e.g. embossing, pressing or printing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
GB0020334A 1996-09-02 1997-09-02 Manufacture of magnetic rollers for use in developing rollers and developing devices Expired - Fee Related GB2350694B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25095296 1996-09-02
JP15281097 1997-05-27
JP23183297A JPH1145001A (en) 1996-09-02 1997-08-13 Magnet roller, production thereof, developing roller using the magnet roller, and developing device
GB9718605A GB2316769B (en) 1996-09-02 1997-09-02 Magnet roller, manufacturing method therefor developing roller and developing device using the magnet roller

Publications (3)

Publication Number Publication Date
GB0020334D0 GB0020334D0 (en) 2000-10-04
GB2350694A GB2350694A (en) 2000-12-06
GB2350694B true GB2350694B (en) 2001-05-09

Family

ID=27451694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0020334A Expired - Fee Related GB2350694B (en) 1996-09-02 1997-09-02 Manufacture of magnetic rollers for use in developing rollers and developing devices

Country Status (1)

Country Link
GB (1) GB2350694B (en)

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1539577A (en) * 1975-12-03 1979-01-31 Eisbein Develop Developing process
GB2029279A (en) * 1978-08-22 1980-03-19 Mita Industrial Co Ltd Developing latent electrostatic images
JPS60166055A (en) * 1984-02-09 1985-08-29 Mitsubishi Kakoki Kaisha Ltd Oil purifier
JPS62135861A (en) * 1985-12-10 1987-06-18 Canon Inc Resin magnet roll and its manufacture
JPS62242322A (en) * 1986-04-14 1987-10-22 Matsushita Electric Ind Co Ltd Manufacture of magnet roll
JPS6330875A (en) * 1986-07-24 1988-02-09 Daiichi Kasei Kk Manufacture of magnet roller, and metallic die for molding magnet roller
EP0339944A1 (en) * 1988-04-27 1989-11-02 Canon Kabushiki Kaisha Developing apparatus for developing electrostatic latent images
JPH02165176A (en) * 1988-12-19 1990-06-26 Matsushita Electric Ind Co Ltd Magnetic pole piece for magnet roll
US4990876A (en) * 1989-09-15 1991-02-05 Eastman Kodak Company Magnetic brush, inner core therefor, and method for making such core
EP0421331A2 (en) * 1989-10-02 1991-04-10 Canon Kabushiki Kaisha Developer carrying member, developing device, and device unit
EP0461672A2 (en) * 1990-06-15 1991-12-18 Canon Kabushiki Kaisha Image forming apparatus.
EP0497601A2 (en) * 1991-01-31 1992-08-05 Canon Kabushiki Kaisha Developing apparatus and developer carrying member therefor
US5206691A (en) * 1991-02-01 1993-04-27 Minolta Camera Kabushiki Kaisha Developing apparatus
EP0548952A2 (en) * 1991-12-25 1993-06-30 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Method for producing a magnet roll
US5227848A (en) * 1992-02-04 1993-07-13 Eastman Kodak Company Developer flow rate regulation for an electrophotographic toning roller
US5416566A (en) * 1994-06-08 1995-05-16 Xerox Corporation Development apparatus having an improved developer feeder roll
EP0681218A2 (en) * 1994-04-28 1995-11-08 Canon Kabushiki Kaisha Image forming method
US5488341A (en) * 1993-06-08 1996-01-30 Hitachi Metals, Ltd. Permanent magnet member and method of producing same
JPH08142108A (en) * 1994-11-24 1996-06-04 Hitachi Metals Ltd Manufacture of permanent magnet member for magnet roll
EP0720070A2 (en) * 1994-12-28 1996-07-03 Canon Kabushiki Kaisha Developer carrying member, developing assembly, image forming apparatus, and process cartridge
US5583473A (en) * 1993-09-21 1996-12-10 Takaishi & Asscoiates Magnet roll and method of producing same

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1539577A (en) * 1975-12-03 1979-01-31 Eisbein Develop Developing process
GB2029279A (en) * 1978-08-22 1980-03-19 Mita Industrial Co Ltd Developing latent electrostatic images
JPS60166055A (en) * 1984-02-09 1985-08-29 Mitsubishi Kakoki Kaisha Ltd Oil purifier
JPS62135861A (en) * 1985-12-10 1987-06-18 Canon Inc Resin magnet roll and its manufacture
JPS62242322A (en) * 1986-04-14 1987-10-22 Matsushita Electric Ind Co Ltd Manufacture of magnet roll
JPS6330875A (en) * 1986-07-24 1988-02-09 Daiichi Kasei Kk Manufacture of magnet roller, and metallic die for molding magnet roller
EP0339944A1 (en) * 1988-04-27 1989-11-02 Canon Kabushiki Kaisha Developing apparatus for developing electrostatic latent images
JPH02165176A (en) * 1988-12-19 1990-06-26 Matsushita Electric Ind Co Ltd Magnetic pole piece for magnet roll
US4990876A (en) * 1989-09-15 1991-02-05 Eastman Kodak Company Magnetic brush, inner core therefor, and method for making such core
EP0421331A2 (en) * 1989-10-02 1991-04-10 Canon Kabushiki Kaisha Developer carrying member, developing device, and device unit
EP0461672A2 (en) * 1990-06-15 1991-12-18 Canon Kabushiki Kaisha Image forming apparatus.
EP0497601A2 (en) * 1991-01-31 1992-08-05 Canon Kabushiki Kaisha Developing apparatus and developer carrying member therefor
US5206691A (en) * 1991-02-01 1993-04-27 Minolta Camera Kabushiki Kaisha Developing apparatus
EP0548952A2 (en) * 1991-12-25 1993-06-30 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Method for producing a magnet roll
US5227848A (en) * 1992-02-04 1993-07-13 Eastman Kodak Company Developer flow rate regulation for an electrophotographic toning roller
US5488341A (en) * 1993-06-08 1996-01-30 Hitachi Metals, Ltd. Permanent magnet member and method of producing same
US5649362A (en) * 1993-06-08 1997-07-22 Hitachi Metals, Ltd. Permanent magnet member and method of producing same
US5583473A (en) * 1993-09-21 1996-12-10 Takaishi & Asscoiates Magnet roll and method of producing same
EP0681218A2 (en) * 1994-04-28 1995-11-08 Canon Kabushiki Kaisha Image forming method
US5416566A (en) * 1994-06-08 1995-05-16 Xerox Corporation Development apparatus having an improved developer feeder roll
JPH08142108A (en) * 1994-11-24 1996-06-04 Hitachi Metals Ltd Manufacture of permanent magnet member for magnet roll
EP0720070A2 (en) * 1994-12-28 1996-07-03 Canon Kabushiki Kaisha Developer carrying member, developing assembly, image forming apparatus, and process cartridge

Also Published As

Publication number Publication date
GB0020334D0 (en) 2000-10-04
GB2350694A (en) 2000-12-06

Similar Documents

Publication Publication Date Title
US5584086B1 (en) Therapeutic pillow and method
EP0741912A4 (en) Superconducting wind-and-react coils and methods of manufacture
PL327610A1 (en) Quinoline and quinozoline compounds useful in therapy
GB2306505B (en) Rolling bearing and rolling device
ZA954392B (en) Electroheating apparatus and methods
DE69517895D1 (en) Magnetic toner and imaging processes
EP0694202A4 (en) Magnetic levitation device and method
GB2311403B (en) LCD device and method of forming the same
ZA974368B (en) Apparatus and method for the generation and use of ferric ions
EP0741833A4 (en) Indicia device for turnstile and method of use
EP0930540A4 (en) Photosensitive composition and use thereof
AP2001002080A0 (en) Pilveriser and method of pulverising
GB9722394D0 (en) Laryneeal mask airways and their manufacture
HUP9700379A3 (en) Apparatus for use in preventing decubitis ulcers and in relaxation therapy
IL136534A0 (en) Magnetic bearing and its use
EP0707323A4 (en) Ferrite and ferrite core for power source
EP1036541A4 (en) Magnet apparatus and mri apparatus
EP0710856A3 (en) Polarisation sensitive devices and methods of manufacture thereof
GB9722393D0 (en) Laryneeal mask airways and their manufacture
EP0938033A4 (en) Developing device and electrophotographic device
GB9513544D0 (en) Magnetic resonance methods and apparatus
EP0577077A3 (en) Developing device and method
GB2308547A (en) Antianemic agent containing iron and difructose
GB9424499D0 (en) Game and associated apparatus
GB9320567D0 (en) Strip fitting apparatus and methods

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130902