FR2399390A1 - Elements de verre transparents - Google Patents

Elements de verre transparents

Info

Publication number
FR2399390A1
FR2399390A1 FR7822562A FR7822562A FR2399390A1 FR 2399390 A1 FR2399390 A1 FR 2399390A1 FR 7822562 A FR7822562 A FR 7822562A FR 7822562 A FR7822562 A FR 7822562A FR 2399390 A1 FR2399390 A1 FR 2399390A1
Authority
FR
France
Prior art keywords
elements
transparent glass
glass elements
ingredients
sro
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
FR7822562A
Other languages
English (en)
Other versions
FR2399390B1 (fr
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2399390A1 publication Critical patent/FR2399390A1/fr
Application granted granted Critical
Publication of FR2399390B1 publication Critical patent/FR2399390B1/fr
Granted legal-status Critical Current

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
    • C03C12/00—Powdered glass; Bead compositions
    • C03C12/02—Reflective beads
    • 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
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • 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
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
  • Road Signs Or Road Markings (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention est relative à des éléments de verre transparents d'une épaisseur inférieure à environ 2 mm. Ces éléments comprennent, en % en poids, des ingrédients tels que du B 2 O3 , du TiO2 , du BaO et/ou du SrO, un oxyde de métal alcalin, du SiO 2 et d'autres ingrédients, tout en étant pratiquement exempts de CaO et en ne contenant pas plus de 10 % en poids de ZnO, ces éléments ayant un indice de réfraction compris entre 1,6 et 1,9 et montrant une résistance à l'écrasement d'au moins environ 3500 kg/cm**2. Ces éléments de verre, sous forme de microsphéres, conviennent particulièrement bien en tant qu'éléments rétro-réflecteurs dans des marquages de sol.
FR7822562A 1977-08-01 1978-07-31 Elements de verre transparents Granted FR2399390A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82080977A 1977-08-01 1977-08-01

Publications (2)

Publication Number Publication Date
FR2399390A1 true FR2399390A1 (fr) 1979-03-02
FR2399390B1 FR2399390B1 (fr) 1983-11-25

Family

ID=25231771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7822562A Granted FR2399390A1 (fr) 1977-08-01 1978-07-31 Elements de verre transparents

Country Status (12)

Country Link
JP (1) JPS5434314A (fr)
AT (1) AT382604B (fr)
AU (1) AU521101B2 (fr)
BE (1) BE869421A (fr)
BR (1) BR7804929A (fr)
CA (1) CA1105949A (fr)
DE (1) DE2833868A1 (fr)
ES (1) ES472190A1 (fr)
FR (1) FR2399390A1 (fr)
GB (1) GB2001953B (fr)
IT (1) IT1109424B (fr)
NL (1) NL183643C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59139591A (ja) * 1983-01-28 1984-08-10 松下電器産業株式会社 誘導加熱調理器
JPS60893U (ja) * 1983-06-17 1985-01-07 株式会社東芝 電磁加熱調理装置
AU601148B2 (en) * 1985-03-08 1990-09-06 Acryline Paints And Membranes Pty Limited Paint composition
US6245700B1 (en) * 1999-07-27 2001-06-12 3M Innovative Properties Company Transparent microspheres

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1388413A (fr) * 1963-04-22 1965-02-05 Cataphote Corp Composition pour la fabrication de verre
GB1034037A (en) * 1964-05-19 1966-06-29 Prismo Safety Corp Fluorescent glass spheres
DE1421895A1 (de) * 1959-02-16 1969-08-28 Minnesota Mining & Mfg Lichtdurchlaessige indigoblaue Glaselemente
FR2002785A1 (fr) * 1968-02-28 1969-10-31 Minnesota Mining & Mfg

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250977B (fr) * 1963-04-22 1967-09-28
US3946130A (en) * 1974-04-01 1976-03-23 Minnesota Mining And Manufacturing Company Transparent glass microspheres and products made therefrom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1421895A1 (de) * 1959-02-16 1969-08-28 Minnesota Mining & Mfg Lichtdurchlaessige indigoblaue Glaselemente
FR1388413A (fr) * 1963-04-22 1965-02-05 Cataphote Corp Composition pour la fabrication de verre
GB1034037A (en) * 1964-05-19 1966-06-29 Prismo Safety Corp Fluorescent glass spheres
FR2002785A1 (fr) * 1968-02-28 1969-10-31 Minnesota Mining & Mfg

Also Published As

Publication number Publication date
ES472190A1 (es) 1979-08-01
IT1109424B (it) 1985-12-16
CA1105949A (fr) 1981-07-28
AT382604B (de) 1987-03-25
NL183643C (nl) 1988-12-16
ATA554078A (de) 1986-08-15
AU3847278A (en) 1980-02-07
IT7850538A0 (it) 1978-07-31
NL183643B (nl) 1988-07-18
JPS6129894B2 (fr) 1986-07-10
GB2001953A (en) 1979-02-14
DE2833868C2 (fr) 1988-06-30
DE2833868A1 (de) 1979-02-15
AU521101B2 (en) 1982-03-18
BR7804929A (pt) 1979-04-10
GB2001953B (en) 1982-05-12
NL7808010A (nl) 1979-02-05
JPS5434314A (en) 1979-03-13
FR2399390B1 (fr) 1983-11-25
BE869421A (fr) 1979-01-31

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