CA1021981A - Phototropic glass for multifocal spectacle-glasses - Google Patents

Phototropic glass for multifocal spectacle-glasses

Info

Publication number
CA1021981A
CA1021981A CA182,885A CA182885A CA1021981A CA 1021981 A CA1021981 A CA 1021981A CA 182885 A CA182885 A CA 182885A CA 1021981 A CA1021981 A CA 1021981A
Authority
CA
Canada
Prior art keywords
glasses
multifocal spectacle
phototropic glass
phototropic
glass
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
CA182,885A
Other languages
English (en)
Other versions
CA182885S (en
Inventor
Georg Gliemeroth
Marga Faulstich
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
Application granted granted Critical
Publication of CA1021981A publication Critical patent/CA1021981A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
CA182,885A 1973-08-20 1973-10-09 Phototropic glass for multifocal spectacle-glasses Expired CA1021981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732341929 DE2341929C3 (de) 1973-08-20 1973-08-20 Phototropes, chemisch härtbares Fernteil-Glas auf Silicoborat-Basis, geeignet zur Verschmelzung mit phototropen Nahteilgläsern für Bifokalbrillengläser

Publications (1)

Publication Number Publication Date
CA1021981A true CA1021981A (en) 1977-12-06

Family

ID=5890170

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,885A Expired CA1021981A (en) 1973-08-20 1973-10-09 Phototropic glass for multifocal spectacle-glasses

Country Status (8)

Country Link
JP (1) JPS5413245B2 (de)
AT (1) AT337922B (de)
CA (1) CA1021981A (de)
DD (1) DD107658A5 (de)
DE (1) DE2341929C3 (de)
FR (1) FR2241506B1 (de)
GB (1) GB1460984A (de)
IT (1) IT1000653B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2346296A1 (fr) * 1976-03-31 1977-10-28 Corning Glass Works Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales
JPS61266326A (ja) * 1985-05-20 1986-11-26 Yoshihiro Abe 感光性ガラス並びに乳濁ガラス組成物
US4841119A (en) * 1986-12-19 1989-06-20 N.V. Bekaert S.A. Welding wire
CN110093602B (zh) * 2019-05-21 2020-10-13 哈尔滨工业大学 一种利用毛细润湿作用制备银纳米线阵列的方法
CN111662008B (zh) * 2020-06-30 2022-04-15 成都光明光电股份有限公司 玻璃组合物及其制造方法
CN115304283B (zh) * 2022-01-24 2023-05-16 苏州东辉光学有限公司 一种C-Lens玻璃、毛坯制备方法、拉丝机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2112376B1 (de) * 1970-11-02 1976-04-30 Jenaer Glaswerk Schott & Gen

Also Published As

Publication number Publication date
DE2341929A1 (de) 1975-04-24
IT1000653B (it) 1976-04-10
DE2341929C3 (de) 1978-07-20
ATA915373A (de) 1976-11-15
GB1460984A (en) 1977-01-06
AT337922B (de) 1977-07-25
DE2341929B2 (de) 1977-12-01
JPS5045813A (de) 1975-04-24
FR2241506B1 (de) 1977-10-28
DD107658A5 (de) 1974-08-12
JPS5413245B2 (de) 1979-05-29
FR2241506A1 (de) 1975-03-21

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