DK107642C - Fremgangsmåde til forøgelse af brydningsforholdet for gennemsigtige glaspartikler. - Google Patents

Fremgangsmåde til forøgelse af brydningsforholdet for gennemsigtige glaspartikler.

Info

Publication number
DK107642C
DK107642C DK149763AA DK149763A DK107642C DK 107642 C DK107642 C DK 107642C DK 149763A A DK149763A A DK 149763AA DK 149763 A DK149763 A DK 149763A DK 107642 C DK107642 C DK 107642C
Authority
DK
Denmark
Prior art keywords
increasing
refractive index
transparent glass
glass particles
particles
Prior art date
Application number
DK149763AA
Other languages
English (en)
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
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Application granted granted Critical
Publication of DK107642C publication Critical patent/DK107642C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/007—Other surface treatment of glass not in the form of fibres or filaments by thermal treatment
    • 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
    • C03B19/1095—Thermal after-treatment of beads, e.g. tempering, crystallisation, annealing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/901—Optical glass, e.g. silent on refractive index and/or ABBE number having R.I. at least 1.8
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Glass Compositions (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DK149763AA 1962-04-02 1963-04-01 Fremgangsmåde til forøgelse af brydningsforholdet for gennemsigtige glaspartikler. DK107642C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US184547A US3149016A (en) 1962-04-02 1962-04-02 Nucleated glass particle and process for making it

Publications (1)

Publication Number Publication Date
DK107642C true DK107642C (da) 1967-06-19

Family

ID=22677356

Family Applications (1)

Application Number Title Priority Date Filing Date
DK149763AA DK107642C (da) 1962-04-02 1963-04-01 Fremgangsmåde til forøgelse af brydningsforholdet for gennemsigtige glaspartikler.

Country Status (4)

Country Link
US (1) US3149016A (da)
JP (1) JPS4817844B1 (da)
DK (1) DK107642C (da)
SE (1) SE303842B (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242032A (en) * 1961-11-24 1966-03-22 Charles W Schott Glass spheres and underground proppants and methods of making the same
CA919195A (en) * 1963-02-14 1973-01-16 Fang Tung Chi High index glass elements
FR1515704A (fr) * 1966-03-31 1968-03-01 Rank Xerox Ltd Cliché électrophotographique et son procédé de fabrication
US4113915A (en) * 1974-10-16 1978-09-12 Schott Charles W Glass bead product
US4192576A (en) * 1978-11-20 1980-03-11 Minnesota Mining And Manufacturing Company Ultra-high-index glass microspheres and products made therefrom
US4957335A (en) * 1989-05-26 1990-09-18 Minnesota Mining And Manufacturing Company Microsphere-based retroreflective articles with enhanced retroreflective brightness
WO1998047830A1 (en) 1997-04-18 1998-10-29 Minnesota Mining And Manufacturing Company Transparent beads and their production method
JP3993269B2 (ja) 1997-04-18 2007-10-17 スリーエム カンパニー 透明ビーズおよびその製造方法
US6245700B1 (en) 1999-07-27 2001-06-12 3M Innovative Properties Company Transparent microspheres
ATE378293T1 (de) * 2001-08-02 2007-11-15 3M Innovative Properties Co Verfahren zur herstellung von gegenständen aus glas sowie so hergestellte glaskeramikgegenstände
US7625509B2 (en) * 2001-08-02 2009-12-01 3M Innovative Properties Company Method of making ceramic articles
US20040259713A1 (en) * 2003-06-11 2004-12-23 3M Innovative Properties Company Microspheres comprising titania and bismuth oxide
US7513941B2 (en) 2005-11-14 2009-04-07 3M Innovative Properties Company Pavement marking, reflective elements, and methods of making micospheres
US20080280034A1 (en) * 2007-05-11 2008-11-13 3M Innovative Properties Company Pavement marking and reflective elements having microspheres comprising lanthanum oxide and aluminum oxide with zirconia, titania, or mixtures thereof
US8591045B2 (en) 2009-08-21 2013-11-26 3M Innovative Properties Company Pavement markings, reflective elements, and methods of making microspheres
WO2011022021A1 (en) 2009-08-21 2011-02-24 3M Innovative Properties Company Pavement markings, reflective elements, and methods of making microspheres

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713286A (en) * 1949-10-22 1955-07-19 Minnesota Mining & Mfg Reflex light reflectors and glass bead elements thereof
US2870030A (en) * 1955-07-18 1959-01-20 Minnesota Mining & Mfg High-index glass elements
US3054139A (en) * 1956-08-22 1962-09-18 George A Bartholomew Method and apparatus for pelleting molten slag
NL110268C (da) * 1959-07-01
US3041191A (en) * 1961-03-15 1962-06-26 Flex O Lite Mfg Corp Large diameter high refractive index glass beads

Also Published As

Publication number Publication date
SE303842B (da) 1968-09-09
US3149016A (en) 1964-09-15
JPS4817844B1 (da) 1973-06-01
DE1496569A1 (de) 1969-04-03
DE1496569B2 (de) 1972-11-16

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