FR2138729B1 - - Google Patents

Info

Publication number
FR2138729B1
FR2138729B1 FR7217694A FR7217694A FR2138729B1 FR 2138729 B1 FR2138729 B1 FR 2138729B1 FR 7217694 A FR7217694 A FR 7217694A FR 7217694 A FR7217694 A FR 7217694A FR 2138729 B1 FR2138729 B1 FR 2138729B1
Authority
FR
France
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
FR7217694A
Other languages
French (fr)
Other versions
FR2138729A1 (en
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.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
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 Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Publication of FR2138729A1 publication Critical patent/FR2138729A1/fr
Application granted granted Critical
Publication of FR2138729B1 publication Critical patent/FR2138729B1/fr
Expired 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR7217694A 1971-05-21 1972-05-17 Expired FR2138729B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712125232 DE2125232C3 (en) 1971-05-21 1971-05-21 Continuous process for the production of photochromic glass

Publications (2)

Publication Number Publication Date
FR2138729A1 FR2138729A1 (en) 1973-01-05
FR2138729B1 true FR2138729B1 (en) 1980-04-18

Family

ID=5808530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217694A Expired FR2138729B1 (en) 1971-05-21 1972-05-17

Country Status (4)

Country Link
BE (1) BE783771A (en)
DE (1) DE2125232C3 (en)
FR (1) FR2138729B1 (en)
GB (1) GB1380781A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018965A (en) * 1975-04-14 1977-04-19 Corning Glass Works Photochromic sheet glass compositions and articles
DE2703100A1 (en) * 1976-02-10 1977-08-18 American Optical Corp PROCESS FOR MANUFACTURING LENS OF OPHTHALMIC QUALITY THAT HAVE A PROGRESSIVE LOCAL GRADIENT OF THE PHOTOCHROMIC OR PHOTOTROPIC BEHAVIOR
US4076395A (en) * 1976-03-18 1978-02-28 American Optical Corporation Preparation of photochromic gradient lenses of improved color
US4080051A (en) * 1976-03-18 1978-03-21 American Optical Corporation Preparation of photochromic gradient lenses of cosmetically improved color
KR102173671B1 (en) 2012-10-04 2020-11-04 코닝 인코포레이티드 Compressively Stressed Laminated Glass Article via Photosensitive Glass and Method of Making the Article
JP6487844B2 (en) 2012-10-04 2019-03-20 コーニング インコーポレイテッド Laminated glass article having a ceramic phase and method for producing the article
EP2903945B1 (en) 2012-10-04 2020-09-02 Corning Incorporated Article with glass layer and glass-ceramic layer and method of making the article

Also Published As

Publication number Publication date
DE2125232C3 (en) 1974-04-18
GB1380781A (en) 1975-01-15
DE2125232B2 (en) 1973-09-06
DE2125232A1 (en) 1972-11-30
BE783771A (en) 1972-09-18
FR2138729A1 (en) 1973-01-05

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Legal Events

Date Code Title Description
ST Notification of lapse