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

EP0360146A3 - Carrier for electrostatic image development and method of preparing it - Google Patents

Carrier for electrostatic image development and method of preparing it Download PDF

Info

Publication number
EP0360146A3
EP0360146A3 EP89116985A EP89116985A EP0360146A3 EP 0360146 A3 EP0360146 A3 EP 0360146A3 EP 89116985 A EP89116985 A EP 89116985A EP 89116985 A EP89116985 A EP 89116985A EP 0360146 A3 EP0360146 A3 EP 0360146A3
Authority
EP
European Patent Office
Prior art keywords
preparing
carrier
electrostatic image
image development
development
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.)
Granted
Application number
EP89116985A
Other versions
EP0360146B1 (en
EP0360146A2 (en
Inventor
Kenji Tsujita
Shigenori Kouno
Yoshiaki Koizumi
Ken Ohmura
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of EP0360146A2 publication Critical patent/EP0360146A2/en
Publication of EP0360146A3 publication Critical patent/EP0360146A3/en
Application granted granted Critical
Publication of EP0360146B1 publication Critical patent/EP0360146B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • G03G9/113Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132Macromolecular components of coatings
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • G03G9/113Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1131Coating methods; Structure of coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Developing Agents For Electrophotography (AREA)
EP19890116985 1988-09-22 1989-09-13 Carrier for electrostatic image development and method of preparing it Expired - Lifetime EP0360146B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63239180A JP2709943B2 (en) 1988-09-22 1988-09-22 Electrostatic image developing carrier and method of manufacturing the same
JP239180/88 1988-09-22

Publications (3)

Publication Number Publication Date
EP0360146A2 EP0360146A2 (en) 1990-03-28
EP0360146A3 true EP0360146A3 (en) 1990-06-20
EP0360146B1 EP0360146B1 (en) 1994-11-09

Family

ID=17040914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890116985 Expired - Lifetime EP0360146B1 (en) 1988-09-22 1989-09-13 Carrier for electrostatic image development and method of preparing it

Country Status (3)

Country Link
EP (1) EP0360146B1 (en)
JP (1) JP2709943B2 (en)
DE (1) DE68919313T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017258A (en) * 1986-06-20 1991-05-21 Shell Oil Company Pipe rehabilitation using epoxy resin composition
JP2843097B2 (en) * 1990-03-20 1999-01-06 コニカ株式会社 Resin particles for coating electrostatic charge image developing carrier and method for producing the same
JP4887403B2 (en) 2009-06-02 2012-02-29 シャープ株式会社 Method for producing resin layer coated carrier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172121A1 (en) * 1972-02-14 1973-09-28 Ibm Coating carrier particles - for use in toner/carrier developers for latent electrostatic images
EP0020181A1 (en) * 1979-06-04 1980-12-10 Xerox Corporation Process for preparing coated carrier particles for electrostatographic developers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6337359A (en) * 1986-08-01 1988-02-18 Minolta Camera Co Ltd Production of carrier for electrostatic latent image development

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172121A1 (en) * 1972-02-14 1973-09-28 Ibm Coating carrier particles - for use in toner/carrier developers for latent electrostatic images
EP0020181A1 (en) * 1979-06-04 1980-12-10 Xerox Corporation Process for preparing coated carrier particles for electrostatographic developers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 12, no. 245 (P-729)[3092], 12th July 1988; & JP-A-63 037 359 (MINOLTA CAMERA CO. LTD) 18-02-1988 *

Also Published As

Publication number Publication date
EP0360146B1 (en) 1994-11-09
EP0360146A2 (en) 1990-03-28
DE68919313T2 (en) 1995-04-06
JPH0287167A (en) 1990-03-28
JP2709943B2 (en) 1998-02-04
DE68919313D1 (en) 1994-12-15

Similar Documents

Publication Publication Date Title
HK28796A (en) Method of heat-fixing toner image
EP0335676A3 (en) Developer for developing electrostatic image and image forming method
EP0331426A3 (en) Image forming method and image forming apparatus
EP0456884A3 (en) Method of holding objects and apparatus therefor
HK84993A (en) Process for producing toner for developing electrostatic images and apparatus therefor
EP0330287A3 (en) Toner for developping statically charged images and process for preparation thereof
EP0328364A3 (en) Photosensitive material and image forming method
GB2227716B (en) Method of removing a film from an image carrier
EP0331425A3 (en) Image forming method and image forming apparatus
EP0375432A3 (en) Method and apparatus for creating images
EP0330504A3 (en) Photosensitive material and image forming method
EP0362858A3 (en) Carriers for developing electrostatic images
EP0263319A3 (en) Method of and apparatus for recording image
EP0241223A3 (en) Electrographic toner and process for preparation thereof
GB2174621B (en) Process for producing toner for developing electrostatic images and apparatus therefor
EP0435216A3 (en) Apparatus for and method of recording image
AU610414B2 (en) Apparatus for image formation and method of image formation
GB2224582B (en) Negatively chargeable developer and image forming method
EP0350035A3 (en) Method of forming stable dispersions of particulate matter
EP0317320A3 (en) Method and apparatus for colour electrophotography
GB2190214B (en) Method of forming an image on photosensitive material
EP0360146A3 (en) Carrier for electrostatic image development and method of preparing it
EP0246563A3 (en) Electrostatic copying apparatus capable of copying on both surfaces
IL91153A0 (en) Method and apparatus for transferring an electrostatic latent image
EP0435610A3 (en) Developer and image forming process

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19901206

17Q First examination report despatched

Effective date: 19930505

RBV Designated contracting states (corrected)

Designated state(s): DE GB

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE GB

REF Corresponds to:

Ref document number: 68919313

Country of ref document: DE

Date of ref document: 19941215

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19980907

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990913

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990913

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080926

Year of fee payment: 20