JPS5421729A - Electrophotographic carrier material - Google Patents

Electrophotographic carrier material

Info

Publication number
JPS5421729A
JPS5421729A JP8561677A JP8561677A JPS5421729A JP S5421729 A JPS5421729 A JP S5421729A JP 8561677 A JP8561677 A JP 8561677A JP 8561677 A JP8561677 A JP 8561677A JP S5421729 A JPS5421729 A JP S5421729A
Authority
JP
Japan
Prior art keywords
carrier material
electrophotographic carrier
particles
carrier
toner
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
JP8561677A
Other languages
Japanese (ja)
Other versions
JPS6139663B2 (en
Inventor
Naoyuki Ushiyama
Itsuo Ikeda
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP8561677A priority Critical patent/JPS5421729A/en
Publication of JPS5421729A publication Critical patent/JPS5421729A/en
Publication of JPS6139663B2 publication Critical patent/JPS6139663B2/ja
Granted legal-status Critical Current

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Landscapes

  • Developing Agents For Electrophotography (AREA)

Abstract

PURPOSE: To prevent toner film formation on the surfaces of carrier particles, to reduce abrasion of carrier coating material, and further, to render the toner ready to be negatively charged, by forming a low energy substance on the surfaces of core material particles.
COPYRIGHT: (C)1979,JPO&Japio
JP8561677A 1977-07-19 1977-07-19 Electrophotographic carrier material Granted JPS5421729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8561677A JPS5421729A (en) 1977-07-19 1977-07-19 Electrophotographic carrier material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8561677A JPS5421729A (en) 1977-07-19 1977-07-19 Electrophotographic carrier material

Publications (2)

Publication Number Publication Date
JPS5421729A true JPS5421729A (en) 1979-02-19
JPS6139663B2 JPS6139663B2 (en) 1986-09-04

Family

ID=13863768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8561677A Granted JPS5421729A (en) 1977-07-19 1977-07-19 Electrophotographic carrier material

Country Status (1)

Country Link
JP (1) JPS5421729A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778552A (en) * 1980-11-05 1982-05-17 Ricoh Co Ltd Carrier material for electrophotographic developer
JPS5796355A (en) * 1980-12-08 1982-06-15 Ricoh Co Ltd Carrier for electrophotographic developer
JPS58117554A (en) * 1982-01-04 1983-07-13 Kanto Denka Kogyo Kk Carrier for electrophotography
JPS58196550A (en) * 1982-05-12 1983-11-16 Tomoegawa Paper Co Ltd Carrier for development of electrostatic photography

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778552A (en) * 1980-11-05 1982-05-17 Ricoh Co Ltd Carrier material for electrophotographic developer
JPS5796355A (en) * 1980-12-08 1982-06-15 Ricoh Co Ltd Carrier for electrophotographic developer
JPS6355702B2 (en) * 1980-12-08 1988-11-04 Ricoh Kk
JPS58117554A (en) * 1982-01-04 1983-07-13 Kanto Denka Kogyo Kk Carrier for electrophotography
JPS6223308B2 (en) * 1982-01-04 1987-05-22 Kanto Denka Kogyo Kk
JPS58196550A (en) * 1982-05-12 1983-11-16 Tomoegawa Paper Co Ltd Carrier for development of electrostatic photography

Also Published As

Publication number Publication date
JPS6139663B2 (en) 1986-09-04

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