GB1380781A - Phototropic glass articles - Google Patents

Phototropic glass articles

Info

Publication number
GB1380781A
GB1380781A GB2378972A GB2378972A GB1380781A GB 1380781 A GB1380781 A GB 1380781A GB 2378972 A GB2378972 A GB 2378972A GB 2378972 A GB2378972 A GB 2378972A GB 1380781 A GB1380781 A GB 1380781A
Authority
GB
United Kingdom
Prior art keywords
glass
phototropic
article
past
drawn
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
GB2378972A
Other languages
English (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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB1380781A publication Critical patent/GB1380781A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C4/00Compositions for glass with special properties
    • C03C4/04Compositions for glass with special properties for photosensitive glass
    • C03C4/06Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06Forming glass sheets
    • C03B17/064Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00Thermal 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)
GB2378972A 1971-05-21 1972-05-19 Phototropic glass articles Expired GB1380781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712125232 DE2125232C3 (de) 1971-05-21 1971-05-21 Kontinuierliches Verfahren zum Herstellen von phototropen Glas

Publications (1)

Publication Number Publication Date
GB1380781A true GB1380781A (en) 1975-01-15

Family

ID=5808530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2378972A Expired GB1380781A (en) 1971-05-21 1972-05-19 Phototropic glass articles

Country Status (4)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4154590A (en) * 1976-02-10 1979-05-15 American Optical Corporation Preparation of photochromic gradient lenses
WO2014055840A3 (en) * 2012-10-04 2014-05-30 Corning Incorporated Compressively stressed laminated glass article via photosensitive glass and method of making the article
US10357945B2 (en) 2012-10-04 2019-07-23 Corning Incorporated Laminated glass article with ceramic phase and method of making the article
US10570055B2 (en) 2012-10-04 2020-02-25 Corning Incorporated Article with glass layer and glass-ceramic layer and method of making the article

Families Citing this family (1)

* 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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154590A (en) * 1976-02-10 1979-05-15 American Optical Corporation Preparation of photochromic gradient lenses
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
WO2014055840A3 (en) * 2012-10-04 2014-05-30 Corning Incorporated Compressively stressed laminated glass article via photosensitive glass and method of making the article
US10202303B2 (en) 2012-10-04 2019-02-12 Corning Incorporated Compressively stressed laminated glass article via photosensitive glass and method of making the article
US10357945B2 (en) 2012-10-04 2019-07-23 Corning Incorporated Laminated glass article with ceramic phase and method of making the article
US10570055B2 (en) 2012-10-04 2020-02-25 Corning Incorporated Article with glass layer and glass-ceramic layer and method of making the article
US11008246B2 (en) 2012-10-04 2021-05-18 Corning Incorporated Compressively stressed laminated glass article via photosensitive glass and method of making the article

Also Published As

Publication number Publication date
DE2125232B2 (de) 1973-09-06
FR2138729B1 (https=) 1980-04-18
FR2138729A1 (https=) 1973-01-05
DE2125232C3 (de) 1974-04-18
DE2125232A1 (de) 1972-11-30
BE783771A (fr) 1972-09-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee