JPH0269938U - - Google Patents

Info

Publication number
JPH0269938U
JPH0269938U JP1989125722U JP12572289U JPH0269938U JP H0269938 U JPH0269938 U JP H0269938U JP 1989125722 U JP1989125722 U JP 1989125722U JP 12572289 U JP12572289 U JP 12572289U JP H0269938 U JPH0269938 U JP H0269938U
Authority
JP
Japan
Prior art keywords
fluidized bed
stirring arm
flap
iron oxides
drag
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
JP1989125722U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431234Y2 (en]
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 filed Critical
Publication of JPH0269938U publication Critical patent/JPH0269938U/ja
Application granted granted Critical
Publication of JPH0431234Y2 publication Critical patent/JPH0431234Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/065—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder obtained by a reduction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Hard Magnetic Materials (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Magnetic Record Carriers (AREA)
JP1989125722U 1980-06-04 1989-10-30 Expired JPH0431234Y2 (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803021111 DE3021111A1 (de) 1980-06-04 1980-06-04 Verfahren zur herstellung von nadelfoermigen, im wesentlichen aus eisen bestehenden, ferromagnetischen metallteilchen

Publications (2)

Publication Number Publication Date
JPH0269938U true JPH0269938U (en]) 1990-05-28
JPH0431234Y2 JPH0431234Y2 (en]) 1992-07-28

Family

ID=6103916

Family Applications (2)

Application Number Title Priority Date Filing Date
JP8453381A Pending JPS5723010A (en) 1980-06-04 1981-06-03 Production of feromagnetic metal small piece comprising iron substantially in needle form
JP1989125722U Expired JPH0431234Y2 (en]) 1980-06-04 1989-10-30

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP8453381A Pending JPS5723010A (en) 1980-06-04 1981-06-03 Production of feromagnetic metal small piece comprising iron substantially in needle form

Country Status (4)

Country Link
US (1) US4378240A (en])
EP (1) EP0041142B1 (en])
JP (2) JPS5723010A (en])
DE (2) DE3021111A1 (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3901027A1 (de) * 1989-01-14 1990-07-26 Studiengesellschaft Kohle Mbh Nadelfoermige eisen-magnetpigmente mit einstellbarer koezitivfeldstaerke und verfahren zu deren herstellung
DE69315935T2 (de) * 1992-09-10 1998-08-27 Kao Corp Verfahren und Vorrichtung zur Herstellung von magnetischen metallischen Teilchen
US5666890A (en) * 1994-06-22 1997-09-16 Craig; Joe D. Biomass gasification system and method
US5581998A (en) * 1994-06-22 1996-12-10 Craig; Joe D. Biomass fuel turbine combuster
US6443213B1 (en) * 2000-05-11 2002-09-03 Pcc Airfoils, Inc. System for casting a metal article using a fluidized bed
KR100977147B1 (ko) * 2007-12-31 2010-08-23 세메스 주식회사 유동층 탄소나노튜브 생성 장치 및 그것을 사용한탄소나노튜브 생성 설비 및 방법
KR101239168B1 (ko) * 2008-08-08 2013-03-05 가부시끼가이샤 도시바 나노카본 생성 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157214A (en) * 1979-05-25 1980-12-06 Mitsui Toatsu Chem Inc Manufacture of magnetic recording powder

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1033814B (de) * 1953-03-17 1958-07-10 Electro Chimie Metal Verfahren zur Herstellung magnetisierbarer Pulver und Dauermagnete aus solchen Pulvern
US2879154A (en) * 1956-10-02 1959-03-24 Franklin Inst Of The State Of Acicular metal particles and method of making the same
US2947620A (en) * 1957-08-06 1960-08-02 Republic Steel Corp Process of preparing iron powder capable of being rolled directly to sheet form
GB1104852A (en) 1964-05-21 1968-03-06 Jiyuichi Nara Powder-drying apparatus and plant including the same
GB1064406A (en) * 1965-10-23 1967-04-05 Hydrocarbon Research Inc Method of reducing iron oxide
NL6909443A (en]) * 1969-06-20 1970-12-22
FR2076745A5 (en) * 1970-01-27 1971-10-15 Siderurgie Fse Inst Rech Fluidised bed treatment - of powdered materials in two stages
DE2361539C2 (de) * 1973-12-11 1984-06-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur Herstellung eines ferromagnetischen, überwiegend aus Eisen bestehenden Materials
DE2434058C2 (de) 1974-07-16 1985-12-19 Basf Ag, 6700 Ludwigshafen Nadelförmige, vorwiegend aus Eisen bestehende ferromagnetische Metallteilchen und Verfahren zu ihrer Herstellung
DE2434096C2 (de) 1974-07-16 1985-10-17 Basf Ag, 6700 Ludwigshafen Nadelförmige, vorwiegend aus Eisen bestehende ferromagnetische Metallteilchen und Verfahren zu ihrer Herstellung
US3967986A (en) * 1975-01-27 1976-07-06 U.S. Philips Corporation Method of preparing ferromagnetic material
DE2646348C2 (de) 1976-10-14 1986-08-28 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von nadelförmigen, ferromagnetischen, im wesentlichen aus Eisen bestehenden Metallteilchen und deren Verwendung zur Herstellung von magnetischen Aufzeichnungsträgern
DE2714588C2 (de) 1977-04-01 1986-06-05 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung nadelförmiger ferromagnetischer Eisenteilchen
DE2743298A1 (de) 1977-09-27 1979-04-05 Basf Ag Ferromagnetische, im wesentlichen aus eisen bestehende metallteilchen und verfahren zu deren herstellung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157214A (en) * 1979-05-25 1980-12-06 Mitsui Toatsu Chem Inc Manufacture of magnetic recording powder

Also Published As

Publication number Publication date
US4378240A (en) 1983-03-29
EP0041142A1 (de) 1981-12-09
JPS5723010A (en) 1982-02-06
DE3021111A1 (de) 1981-12-17
JPH0431234Y2 (en]) 1992-07-28
DE3160523D1 (en) 1983-08-04
EP0041142B1 (de) 1983-06-29

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