BE798940A - Procede de fabrication de verres de lunettes phototropiques a plusieurs foyers - Google Patents

Procede de fabrication de verres de lunettes phototropiques a plusieurs foyers

Info

Publication number
BE798940A
BE798940A BE130607A BE130607A BE798940A BE 798940 A BE798940 A BE 798940A BE 130607 A BE130607 A BE 130607A BE 130607 A BE130607 A BE 130607A BE 798940 A BE798940 A BE 798940A
Authority
BE
Belgium
Prior art keywords
multiple focuses
manufacturing lenses
phototropic glasses
phototropic
glasses
Prior art date
Application number
BE130607A
Other languages
English (en)
Original Assignee
Zeiss Carl
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 Zeiss Carl filed Critical Zeiss Carl
Publication of BE798940A publication Critical patent/BE798940A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00Re-forming shaped glass
    • C03B23/20Uniting glass pieces by fusing without substantial reshaping
    • C03B23/22Uniting glass lenses, e.g. forming bifocal lenses
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/10Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102Photochromic filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Eyeglasses (AREA)
  • Glass Compositions (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
BE130607A 1972-05-02 1973-04-30 Procede de fabrication de verres de lunettes phototropiques a plusieurs foyers BE798940A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2221488A DE2221488B2 (de) 1972-05-02 1972-05-02 Verfahren zur Herstellung von phototropen Mehrstärkenbrillengläsern

Publications (1)

Publication Number Publication Date
BE798940A true BE798940A (fr) 1973-08-16

Family

ID=5843868

Family Applications (1)

Application Number Title Priority Date Filing Date
BE130607A BE798940A (fr) 1972-05-02 1973-04-30 Procede de fabrication de verres de lunettes phototropiques a plusieurs foyers

Country Status (13)

Country Link
JP (4) JPS5312925B2 (fr)
AT (1) AT322764B (fr)
BE (1) BE798940A (fr)
CA (1) CA1011111A (fr)
CH (2) CH548615A (fr)
DE (1) DE2221488B2 (fr)
DK (1) DK144968C (fr)
ES (1) ES414198A1 (fr)
FR (1) FR2183138B1 (fr)
GB (2) GB1396059A (fr)
IT (1) IT983040B (fr)
NL (1) NL153834B (fr)
SE (2) SE394995B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221488B2 (de) * 1972-05-02 1975-06-19 Fa. Carl Zeiss, 7920 Heidenheim Verfahren zur Herstellung von phototropen Mehrstärkenbrillengläsern
DE2609469C2 (de) * 1976-03-08 1983-05-11 Corning Glass Works, 14830 Corning, N.Y. Verfahren zur Herstellung photochromer, ophthalmischer Multifocallinsen
JPS52114341A (en) * 1976-03-22 1977-09-26 Corning Glass Works Method of manufacturing photochromic multiifocus spectacle lens
FR2346296A1 (fr) * 1976-03-31 1977-10-28 Corning Glass Works Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales
JPS58158318U (ja) * 1982-04-17 1983-10-22 株式会社トーキン 積層型変位素子
JPS5937993U (ja) * 1982-08-30 1984-03-10 日立冷熱株式会社 冷却塔用熱交換板
JPS60177316A (ja) * 1984-02-24 1985-09-11 Ngk Spark Plug Co Ltd 光偏向装置
JPS61134726A (ja) * 1984-12-06 1986-06-21 Ngk Spark Plug Co Ltd 光偏向装置
JPS61132919A (ja) * 1984-12-01 1986-06-20 Ngk Spark Plug Co Ltd 光偏向装置
JP2006327844A (ja) * 2005-05-23 2006-12-07 Olympus Corp 光学素子の製造方法及びその製造装置
JP2008285377A (ja) * 2007-05-18 2008-11-27 Panasonic Corp 接合光学素子
JP2017048095A (ja) * 2015-09-04 2017-03-09 旭硝子株式会社 ガラスの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR584639A (fr) * 1924-08-14 1925-02-10 Optique Telegic Soc D Perfectionnements à la fabrication des lentilles à foyers multiples employées en lunetterie
DE514983C (de) * 1927-10-25 1930-12-20 Emil Busch Akt Ges Optische In Verfahren zur Herstellung eines Mehrstaerkenglases
US2026606A (en) * 1933-03-31 1936-01-07 Bausch & Lomb Means for making ophthalmic lenses
US3328182A (en) * 1963-06-24 1967-06-27 Corning Glass Works Phototropic glass article and method
DE2221488B2 (de) * 1972-05-02 1975-06-19 Fa. Carl Zeiss, 7920 Heidenheim Verfahren zur Herstellung von phototropen Mehrstärkenbrillengläsern
JPS5853274B2 (ja) * 1976-07-21 1983-11-28 石川島播磨重工業株式会社 ロ−タリキルン
JPS5313207A (en) * 1976-07-23 1978-02-06 Hitachi Ltd Pumping apparatus

Also Published As

Publication number Publication date
GB1399856A (en) 1975-07-02
NL7306111A (fr) 1973-11-06
CA1011111A (en) 1977-05-31
DE2221488B2 (de) 1975-06-19
JPS5340544A (en) 1978-04-13
JPS50105706A (fr) 1975-08-20
JPS5312925B2 (fr) 1978-05-06
JPS5313207B2 (fr) 1978-05-09
IT983040B (it) 1974-10-31
CH547504A (de) 1974-03-29
AT322764B (de) 1975-06-10
JPS5724893B2 (fr) 1982-05-26
SE414025B (sv) 1980-07-07
SE7512290L (sv) 1975-11-03
ES414198A1 (es) 1976-03-01
CH548615A (de) 1974-04-30
GB1396059A (en) 1975-05-29
NL153834B (nl) 1977-07-15
JPS5340543A (en) 1978-04-13
DK144968C (da) 1982-12-06
SE394995B (sv) 1977-07-25
FR2183138B1 (fr) 1976-06-11
DK144968B (da) 1982-07-19
FR2183138A1 (fr) 1973-12-14
JPS5724894B2 (fr) 1982-05-26
JPS4962152A (fr) 1974-06-17
DE2221488A1 (de) 1973-11-22

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