GB1399856A - Method of producing photochromic multifocal spectacle lenses - Google Patents

Method of producing photochromic multifocal spectacle lenses

Info

Publication number
GB1399856A
GB1399856A GB4293674A GB4293674A GB1399856A GB 1399856 A GB1399856 A GB 1399856A GB 4293674 A GB4293674 A GB 4293674A GB 4293674 A GB4293674 A GB 4293674A GB 1399856 A GB1399856 A GB 1399856A
Authority
GB
United Kingdom
Prior art keywords
glass
turbidity
photochromic
ram
segment
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
GB4293674A
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 GB1399856A publication Critical patent/GB1399856A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • C03B23/22—Uniting glass lenses, e.g. forming bifocal lenses
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102—Photochromic 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)
  • Joining Of Glass To Other Materials (AREA)
  • Glass Compositions (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
GB4293674A 1972-05-02 1973-04-16 Method of producing photochromic multifocal spectacle lenses Expired GB1399856A (en)

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
GB1399856A true GB1399856A (en) 1975-07-02

Family

ID=5843868

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4293674A Expired GB1399856A (en) 1972-05-02 1973-04-16 Method of producing photochromic multifocal spectacle lenses
GB1817473A Expired GB1396059A (en) 1972-05-02 1973-04-16 Method of producing photochromic multifocal spectacle lenses

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1817473A Expired GB1396059A (en) 1972-05-02 1973-04-16 Method of producing photochromic multifocal spectacle lenses

Country Status (13)

Country Link
JP (4) JPS5312925B2 (fi)
AT (1) AT322764B (fi)
BE (1) BE798940A (fi)
CA (1) CA1011111A (fi)
CH (2) CH547504A (fi)
DE (1) DE2221488B2 (fi)
DK (1) DK144968C (fi)
ES (1) ES414198A1 (fi)
FR (1) FR2183138B1 (fi)
GB (2) GB1399856A (fi)
IT (1) IT983040B (fi)
NL (1) NL153834B (fi)
SE (2) SE394995B (fi)

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
JPS5312925B2 (fi) 1978-05-06
JPS5340544A (en) 1978-04-13
DE2221488B2 (de) 1975-06-19
FR2183138A1 (fi) 1973-12-14
AT322764B (de) 1975-06-10
SE7512290L (sv) 1975-11-03
CH548615A (de) 1974-04-30
NL7306111A (fi) 1973-11-06
IT983040B (it) 1974-10-31
JPS5724893B2 (fi) 1982-05-26
GB1396059A (en) 1975-05-29
SE394995B (sv) 1977-07-25
JPS4962152A (fi) 1974-06-17
JPS5724894B2 (fi) 1982-05-26
DK144968C (da) 1982-12-06
CA1011111A (en) 1977-05-31
JPS50105706A (fi) 1975-08-20
NL153834B (nl) 1977-07-15
CH547504A (de) 1974-03-29
DE2221488A1 (de) 1973-11-22
BE798940A (fr) 1973-08-16
FR2183138B1 (fi) 1976-06-11
SE414025B (sv) 1980-07-07
DK144968B (da) 1982-07-19
ES414198A1 (es) 1976-03-01
JPS5313207B2 (fi) 1978-05-09
JPS5340543A (en) 1978-04-13

Similar Documents

Publication Publication Date Title
GB1399856A (en) Method of producing photochromic multifocal spectacle lenses
DE3776762D1 (de) Intraocularlinse.
US3563057A (en) Method for making multifocal lens
SE8505136L (sv) Anordning for data for formen pa glasogonbagar
US1734428A (en) Method of making fused multifocal lenses
US3966311A (en) Method of producing photochromic multifocal spectacle lenses
GB428270A (en) Improvements in method of and means for making multifocal lenses
GB1148940A (en) Process for producing a cellular product from expanded pearls of synthetic resin
US3031926A (en) Process of making colored multi-focal eyeglass lens
US1560168A (en) Process for producing lenses and the product
GB1038301A (en) Improvements in or relating to the manufacture of multifocal ophthalmic lenses
AT338451B (de) Phototropes glas, geeignet als nahteilmaterial zur verschmelzung mit phototropen fernteilglasern fur mehrfokalbrillenglaser
SE7604520L (sv) Fotokroma linser
GB739341A (en) Improvements in or relating to forming and fusing multifocal lens
GB1321041A (en) Composite spectacle type lens production
FR2109010A1 (fr) Procédé de fabrication de verres d'optique
US1436217A (en) A voluntary asso
US1801926A (en) Ophthalmic lens
US1596714A (en) Process of making bifocal lenses
HARRISON et al. Manufacturing methods and technology for production hot forging of alkali halide lenses[Semiannual Progress Report, 7 Sep. 1979- 7 Apr. 1980]
US1878708A (en) Visual lens
HARRISON et al. Manufacturing methods and technology for optical fabrication[Quarterly Report, 28 Sep. 1977- 1 Feb. 1978]
GB428269A (en) Improvements in methods of and means for making multifocal lenses
GB585576A (en) Improvements in or relating to the moulding of lenses, prisms and like optical elements from plastics
GB259501A (en) Improvements in and relating to ophthalmic lenses

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee