CA976713A - Method for producing spherical particles having a narrow size distribution - Google Patents

Method for producing spherical particles having a narrow size distribution

Info

Publication number
CA976713A
CA976713A CA129,178A CA129178A CA976713A CA 976713 A CA976713 A CA 976713A CA 129178 A CA129178 A CA 129178A CA 976713 A CA976713 A CA 976713A
Authority
CA
Canada
Prior art keywords
size distribution
spherical particles
narrow size
producing spherical
producing
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.)
Expired
Application number
CA129,178A
Other languages
English (en)
Other versions
CA129178S (en
Inventor
Lawrence F. Rakestraw
John W. Mottern
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of CA976713A publication Critical patent/CA976713A/en
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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/065—Spherical particles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/10—Forming beads
    • C03B19/1005—Forming solid beads
    • C03B19/102—Forming solid beads by blowing a gas onto a stream of molten glass or onto particulate materials, e.g. pulverising
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/10—Forming beads
    • C03B19/1005—Forming solid beads
    • C03B19/1055—Forming solid beads by extruding, e.g. dripping molten glass in a gaseous atmosphere
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/10—Forming beads
    • C03B19/109—Glass-melting furnaces specially adapted for making beads

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Glanulating (AREA)
  • Powder Metallurgy (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
CA129,178A 1970-12-03 1971-12-02 Method for producing spherical particles having a narrow size distribution Expired CA976713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9471270A 1970-12-03 1970-12-03

Publications (1)

Publication Number Publication Date
CA976713A true CA976713A (en) 1975-10-28

Family

ID=22246722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129,178A Expired CA976713A (en) 1970-12-03 1971-12-02 Method for producing spherical particles having a narrow size distribution

Country Status (7)

Country Link
US (1) US3719733A (enExample)
JP (1) JPS5515524B1 (enExample)
CA (1) CA976713A (enExample)
DE (1) DE2159907A1 (enExample)
FR (1) FR2117312A5 (enExample)
GB (1) GB1340757A (enExample)
IL (1) IL38288A (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5468764A (en) * 1977-11-12 1979-06-02 Mizusawa Industrial Chem Production of particulate article comprising low melting metal
US4536361A (en) * 1978-08-28 1985-08-20 Torobin Leonard B Method for producing plastic microfilaments
US4415512A (en) * 1979-07-20 1983-11-15 Torobin Leonard B Method and apparatus for producing hollow metal microspheres and microspheroids
US4568389A (en) * 1981-03-18 1986-02-04 Torobin Leonard B Shaped form or formed mass of hollow metal microspheres
US4525314A (en) * 1981-03-18 1985-06-25 Torobin Leonard B Producing metal and metal glass microfilaments
US4582534A (en) * 1981-03-18 1986-04-15 Torobin Leonard B Metal microspheres, filamented hollow metal microspheres and articles produced therefrom
US4402885A (en) * 1982-04-30 1983-09-06 Owens-Corning Fiberglas Corporation Process for producing atomized powdered metal or alloy
IT1156071B (it) * 1982-07-13 1987-01-28 Riv Officine Di Villar Perosa Procedimento per la fabbricazione di sfere in acciaio in particolare sfere per cuscinetti volventi
US4592879A (en) * 1982-11-12 1986-06-03 Aluminum Company Of America Method for the control of particle size in the production of atomized metal
DE3311343C2 (de) * 1983-03-29 1987-04-23 Alfred Prof. Dipl.-Ing.Dr.-Ing. 7830 Emmendingen Walz Verfahren zur Herstellung von feinen Metallpulvern sowie Vorrichtung zur Durchführung des Verfahrens
DE3318652C2 (de) * 1983-05-21 1986-10-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und Vorrichtung zum Kristallisieren von Stoffen aus ihrer Schmelze
IL74267A (en) * 1984-02-29 1988-01-31 Gen Electric Method of atomization of melt from a closely coupled nozzle,apparatus and product formed
AU606466B2 (en) * 1988-10-12 1991-02-07 David J. Chapman Method and apparatus for producing a bead of material
US5160686A (en) * 1990-06-04 1992-11-03 National Starch And Chemical Investment Holding Corporation Method of producing a non-tacky hot melt adhesive containing package
US5201420A (en) * 1990-06-04 1993-04-13 National Starch And Chemical Investment Holding Corporation Non-tacky hot melt adhesive containing package
US5135169A (en) * 1991-01-16 1992-08-04 Mensink Daniel L Self-cleaning feed distributing delivery device for glass melters
US5269980A (en) * 1991-08-05 1993-12-14 Northeastern University Production of polymer particles in powder form using an atomization technique
JPH0617161A (ja) * 1992-06-30 1994-01-25 Honda Motor Co Ltd 機械的特性等の優れた金属材料の製造方法
US6143212A (en) * 1998-07-07 2000-11-07 Tseng; Shao-Chien Super-low temperature plastic powder manufacturing method by aid of gas
WO2018035205A1 (en) * 2016-08-17 2018-02-22 Urban Mining Technology Campany, Inc. Sub-micron particles of rare earth and transition metals and alloys, including rare earth magnet materials
JP2023540129A (ja) 2020-09-03 2023-09-21 フルーエント メタル インコーポレイティド 改良型金属堆積システム

Also Published As

Publication number Publication date
FR2117312A5 (enExample) 1972-07-21
JPS5515524B1 (enExample) 1980-04-24
DE2159907A1 (de) 1972-06-15
IL38288A (en) 1975-06-25
GB1340757A (en) 1974-01-30
US3719733A (en) 1973-03-06
IL38288A0 (en) 1972-02-29

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