JPS539125A - Dry type devloping powder and its manufacture - Google Patents

Dry type devloping powder and its manufacture

Info

Publication number
JPS539125A
JPS539125A JP8315776A JP8315776A JPS539125A JP S539125 A JPS539125 A JP S539125A JP 8315776 A JP8315776 A JP 8315776A JP 8315776 A JP8315776 A JP 8315776A JP S539125 A JPS539125 A JP S539125A
Authority
JP
Japan
Prior art keywords
manufacture
devloping
powder
dry type
magnetic
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.)
Pending
Application number
JP8315776A
Other languages
Japanese (ja)
Inventor
Kazuo Kobayashi
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 JP8315776A priority Critical patent/JPS539125A/en
Publication of JPS539125A publication Critical patent/JPS539125A/en
Pending legal-status Critical Current

Links

Landscapes

  • Developing Agents For Electrophotography (AREA)

Abstract

PURPOSE: To render its manufacture easy and cheap, raise pressure-and further, heatfixability, elevate image density, and improve image gradation, by using a mixture of magnetic and non-magnetic powders each having a specified composition.
COPYRIGHT: (C)1978,JPO&Japio
JP8315776A 1976-07-13 1976-07-13 Dry type devloping powder and its manufacture Pending JPS539125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8315776A JPS539125A (en) 1976-07-13 1976-07-13 Dry type devloping powder and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8315776A JPS539125A (en) 1976-07-13 1976-07-13 Dry type devloping powder and its manufacture

Publications (1)

Publication Number Publication Date
JPS539125A true JPS539125A (en) 1978-01-27

Family

ID=13794399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8315776A Pending JPS539125A (en) 1976-07-13 1976-07-13 Dry type devloping powder and its manufacture

Country Status (1)

Country Link
JP (1) JPS539125A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54119929A (en) * 1978-03-09 1979-09-18 Minolta Camera Co Ltd Developer and method of copying thereby
JPS54121744A (en) * 1978-03-14 1979-09-21 Minolta Camera Co Ltd Dry type developing process in electrophotography
JPS54123956A (en) * 1978-03-17 1979-09-26 Minolta Camera Co Ltd Dry type developer
JPS5657041A (en) * 1979-10-17 1981-05-19 Toray Ind Inc Magnetic toner for electrostatic transfer type copying machine
JPS616665A (en) * 1984-06-20 1986-01-13 Canon Inc Formation of image

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54119929A (en) * 1978-03-09 1979-09-18 Minolta Camera Co Ltd Developer and method of copying thereby
JPS5811621B2 (en) * 1978-03-09 1983-03-03 ミノルタ株式会社 Copying method
JPS54121744A (en) * 1978-03-14 1979-09-21 Minolta Camera Co Ltd Dry type developing process in electrophotography
JPS6343744B2 (en) * 1978-03-14 1988-09-01 Minolta Camera Kk
JPS54123956A (en) * 1978-03-17 1979-09-26 Minolta Camera Co Ltd Dry type developer
JPS6342253B2 (en) * 1978-03-17 1988-08-22 Minolta Camera Kk
JPS5657041A (en) * 1979-10-17 1981-05-19 Toray Ind Inc Magnetic toner for electrostatic transfer type copying machine
JPS616665A (en) * 1984-06-20 1986-01-13 Canon Inc Formation of image
JPH0260180B2 (en) * 1984-06-20 1990-12-14 Canon Kk

Similar Documents

Publication Publication Date Title
JPS5219535A (en) Dry type developing powder
JPS52145225A (en) Dry type developing powder
JPS539125A (en) Dry type devloping powder and its manufacture
JPS52115000A (en) Material of permanent magnet
JPS5315802A (en) High density magnetic recording material
JPS5394940A (en) Magnetic roller
JPS5352622A (en) Composition for preparation of bordeaux mixture
JPS5375497A (en) Fabrication of magnetic material
JPS5296922A (en) Permanent magnet material
JPS5238202A (en) Magnetic recording body
JPS5219516A (en) Photosensitive composition
JPS535146A (en) Indane derivatives and their preparation
JPS5358411A (en) Preparation of iron alloy sintering material
JPS5283231A (en) Powder development carrier
JPS5246803A (en) Structure of magnetic medium
JPS5295097A (en) Magnetic recording material
JPS5233712A (en) Thin film magnetic head
JPS51129212A (en) Magnetic head
JPS53133420A (en) Magnetic head and production of the same
JPS51112349A (en) Electron photograph method improved for gloss
JPS5310308A (en) Preparation of sintered material of ferrosilicon
JPS51135627A (en) Magnetic head
JPS5357765A (en) Magnetic field forming device
JPS5281505A (en) Preparation of multipolar rotor magnet
JPS52113907A (en) 1,1,1,3-tetrahalogeno-4-methyl-4-hydroxypentane and its preparation