NO950233L - Formede slipende partikler og fremgangsmåte til å fremstille dem - Google Patents

Formede slipende partikler og fremgangsmåte til å fremstille dem

Info

Publication number
NO950233L
NO950233L NO950233A NO950233A NO950233L NO 950233 L NO950233 L NO 950233L NO 950233 A NO950233 A NO 950233A NO 950233 A NO950233 A NO 950233A NO 950233 L NO950233 L NO 950233L
Authority
NO
Norway
Prior art keywords
precursor
abrasive particle
dispersion
abrasive
mold cavity
Prior art date
Application number
NO950233A
Other languages
English (en)
Other versions
NO950233D0 (no
Inventor
Todd A Berg
Donley D Rowenhorst
James G Berg
William K Leonard
Original Assignee
Minnesota Mining & Mfg
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
Priority claimed from US07/919,179 external-priority patent/US5201916A/en
Priority claimed from US07/919,180 external-priority patent/US5366523A/en
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of NO950233D0 publication Critical patent/NO950233D0/no
Publication of NO950233L publication Critical patent/NO950233L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering

Abstract

Fremgangsmåte til å fremstille slipende partikler som har en spesifisert fasong og slipende artikler som inneholder slipende partikler som har en spesifisert fasong. Frem- gangsmåten for fremstilling av en slik slipende partikkel omfatter trinnene; (a) å tilveiebringe en dispersjon som inneholder partikler til en forløper av alfaaluminiumoksid, fortrinnsvis partikler av alfaaluminiumoksidmonohydrat, i en væske, hvor væsken omfatter en flyktig komponent; (b) å tilveiebringe en form som har en første overflate og ' en andre overflate motstående til første overflate, hvor den første overflate har en åpning til et formhulrom som har en spesifisert fasong; (c) å innføre dispersjonen i formhulrommet; (d) å fjerne en tilstrekkelig porsjon av den flyktige komponent av væsken fra dispersjonen mens dispersjonen er i formhulrommet for å danne en forløper til en slipende partikkel som har tilnærmet den samme fasong som fasongen til utsparingen i formhulrommet; (e) å fjerne forløperen til den slipende partikkel fra utspar- ingen i formen; (f) kalsinering av den fjernede forløper til den slipende partikkel; og (g) sintring av den kalsinerte forløper for å danne den ønskede slipende partikkel.
NO950233A 1992-07-23 1995-01-20 Formede slipende partikler og fremgangsmåte til å fremstille dem NO950233L (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US91836092A 1992-07-23 1992-07-23
US07/919,179 US5201916A (en) 1992-07-23 1992-07-23 Shaped abrasive particles and method of making same
US07/919,180 US5366523A (en) 1992-07-23 1992-07-23 Abrasive article containing shaped abrasive particles
PCT/US1993/005778 WO1994002559A1 (en) 1992-07-23 1993-06-16 Shaped abrasive particles and method of making same

Publications (2)

Publication Number Publication Date
NO950233D0 NO950233D0 (no) 1995-01-20
NO950233L true NO950233L (no) 1995-01-23

Family

ID=27420642

Family Applications (1)

Application Number Title Priority Date Filing Date
NO950233A NO950233L (no) 1992-07-23 1995-01-20 Formede slipende partikler og fremgangsmåte til å fremstille dem

Country Status (9)

Country Link
EP (1) EP0651778B1 (no)
JP (1) JPH07509508A (no)
AT (1) ATE165862T1 (no)
AU (1) AU672992B2 (no)
BR (1) BR9306765A (no)
CA (1) CA2137667A1 (no)
DE (1) DE69318409T2 (no)
NO (1) NO950233L (no)
WO (1) WO1994002559A1 (no)

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Also Published As

Publication number Publication date
EP0651778A1 (en) 1995-05-10
ATE165862T1 (de) 1998-05-15
JPH07509508A (ja) 1995-10-19
CA2137667A1 (en) 1994-02-03
NO950233D0 (no) 1995-01-20
EP0651778B1 (en) 1998-05-06
DE69318409T2 (de) 1998-12-03
WO1994002559A1 (en) 1994-02-03
BR9306765A (pt) 1998-12-08
AU672992B2 (en) 1996-10-24
AU4637993A (en) 1994-02-14
DE69318409D1 (de) 1998-06-10

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