JPS52145225A - Dry type developing powder - Google Patents

Dry type developing powder

Info

Publication number
JPS52145225A
JPS52145225A JP6196676A JP6196676A JPS52145225A JP S52145225 A JPS52145225 A JP S52145225A JP 6196676 A JP6196676 A JP 6196676A JP 6196676 A JP6196676 A JP 6196676A JP S52145225 A JPS52145225 A JP S52145225A
Authority
JP
Japan
Prior art keywords
dry type
type developing
developing powder
eanble
cheap
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
JP6196676A
Other languages
Japanese (ja)
Other versions
JPS5611140B2 (en
Inventor
Norihiko Inaba
Kazuo Kobayashi
Motoharu Tanaka
Hisao Yuyama
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 JP6196676A priority Critical patent/JPS5611140B2/ja
Priority claimed from DE19772723668 external-priority patent/DE2723668C3/de
Publication of JPS52145225A publication Critical patent/JPS52145225A/en
Publication of JPS5611140B2 publication Critical patent/JPS5611140B2/ja
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To render manufacture easy and cheap, improve pressure and heat fixability, and eanble high density and good gradation images to be formed and the title developer to be applied to high speed copying and printing machines, by using a mixture of 2 kinds of specified magnetic powders.
COPYRIGHT: (C)1977,JPO&Japio
JP6196676A 1976-05-28 1976-05-28 Expired JPS5611140B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6196676A JPS5611140B2 (en) 1976-05-28 1976-05-28

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6196676A JPS5611140B2 (en) 1976-05-28 1976-05-28
DE19772723668 DE2723668C3 (en) 1976-05-28 1977-05-25

Publications (2)

Publication Number Publication Date
JPS52145225A true JPS52145225A (en) 1977-12-03
JPS5611140B2 JPS5611140B2 (en) 1981-03-12

Family

ID=13186419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6196676A Expired JPS5611140B2 (en) 1976-05-28 1976-05-28

Country Status (1)

Country Link
JP (1) JPS5611140B2 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333152A (en) * 1976-09-08 1978-03-28 Matsushita Electric Ind Co Ltd Dry developer agent
JPS5333633A (en) * 1976-09-09 1978-03-29 Matsushita Electric Ind Co Ltd Dry-type developer
JPS5335546A (en) * 1976-09-14 1978-04-03 Matsushita Electric Ind Co Ltd Dry developer
JPS53118054A (en) * 1977-03-09 1978-10-16 Hitachi Metals Ltd Magnetic toner
JPS5595954A (en) * 1979-01-11 1980-07-21 Mita Ind Co Ltd Composite magnetic developer
JPS5629248A (en) * 1979-08-16 1981-03-24 Matsushita Electric Ind Co Ltd Static charge image developing magnetic toner
JPS5666857A (en) * 1979-10-22 1981-06-05 Xerox Corp Magnetic toner composition and preparing same
JPS56106249A (en) * 1980-01-28 1981-08-24 Fujitsu Ltd Developer
JPS56142540A (en) * 1980-04-09 1981-11-06 Ricoh Co Ltd Developer for electrostatic latent image
JPS56161552A (en) * 1980-05-16 1981-12-11 Ricoh Co Ltd Developer for electrostatic latent image
JPS576857A (en) * 1980-06-16 1982-01-13 Fuji Xerox Co Ltd Electrophotographic developing method
JPS5710150A (en) * 1980-06-20 1982-01-19 Matsushita Electric Ind Co Ltd Dry type developer
JPS58105164A (en) * 1981-12-17 1983-06-22 Matsushita Electric Ind Co Ltd Dry developer
JPS58105163A (en) * 1981-12-17 1983-06-22 Matsushita Electric Ind Co Ltd Dry developer
JPS58220146A (en) * 1982-06-16 1983-12-21 Matsushita Electric Ind Co Ltd Dry developer
JPS6073546A (en) * 1983-09-28 1985-04-25 Matsushita Electric Ind Co Ltd Dry developer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890968A (en) * 1955-06-02 1959-06-16 Rca Corp Electrostatic printing process and developer composition therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890968A (en) * 1955-06-02 1959-06-16 Rca Corp Electrostatic printing process and developer composition therefor

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333152A (en) * 1976-09-08 1978-03-28 Matsushita Electric Ind Co Ltd Dry developer agent
JPS5333633A (en) * 1976-09-09 1978-03-29 Matsushita Electric Ind Co Ltd Dry-type developer
JPS5335546A (en) * 1976-09-14 1978-04-03 Matsushita Electric Ind Co Ltd Dry developer
JPS53118054A (en) * 1977-03-09 1978-10-16 Hitachi Metals Ltd Magnetic toner
JPS5595954A (en) * 1979-01-11 1980-07-21 Mita Ind Co Ltd Composite magnetic developer
JPH0232622B2 (en) * 1979-01-11 1990-07-23 Mita Industrial Co Ltd
JPS5629248A (en) * 1979-08-16 1981-03-24 Matsushita Electric Ind Co Ltd Static charge image developing magnetic toner
JPS5840738B2 (en) * 1979-08-16 1983-09-07 Matsushita Electric Ind Co Ltd
JPH0114582B2 (en) * 1979-10-22 1989-03-13 Xerox Corp
JPS5666857A (en) * 1979-10-22 1981-06-05 Xerox Corp Magnetic toner composition and preparing same
JPS56106249A (en) * 1980-01-28 1981-08-24 Fujitsu Ltd Developer
JPS56142540A (en) * 1980-04-09 1981-11-06 Ricoh Co Ltd Developer for electrostatic latent image
JPS5841506B2 (en) * 1980-04-09 1983-09-12 Ricoh Kk
JPS5841507B2 (en) * 1980-05-16 1983-09-12 Ricoh Kk
JPS56161552A (en) * 1980-05-16 1981-12-11 Ricoh Co Ltd Developer for electrostatic latent image
JPS576857A (en) * 1980-06-16 1982-01-13 Fuji Xerox Co Ltd Electrophotographic developing method
JPS5710150A (en) * 1980-06-20 1982-01-19 Matsushita Electric Ind Co Ltd Dry type developer
JPS58105164A (en) * 1981-12-17 1983-06-22 Matsushita Electric Ind Co Ltd Dry developer
JPS58105163A (en) * 1981-12-17 1983-06-22 Matsushita Electric Ind Co Ltd Dry developer
JPH0122615B2 (en) * 1981-12-17 1989-04-27 Matsushita Electric Ind Co Ltd
JPS58220146A (en) * 1982-06-16 1983-12-21 Matsushita Electric Ind Co Ltd Dry developer
JPS6073546A (en) * 1983-09-28 1985-04-25 Matsushita Electric Ind Co Ltd Dry developer

Also Published As

Publication number Publication date
JPS5611140B2 (en) 1981-03-12

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