GB1399856A - Method of producing photochromic multifocal spectacle lenses - Google Patents
Method of producing photochromic multifocal spectacle lensesInfo
- 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
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)
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)
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)
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 |
-
1972
- 1972-05-02 DE DE2221488A patent/DE2221488B2/de not_active Ceased
-
1973
- 1973-04-02 AT AT287273A patent/AT322764B/de not_active IP Right Cessation
- 1973-04-16 GB GB4293674A patent/GB1399856A/en not_active Expired
- 1973-04-16 GB GB1817473A patent/GB1396059A/en not_active Expired
- 1973-04-18 CH CH553073A patent/CH547504A/xx not_active IP Right Cessation
- 1973-04-18 CH CH552973A patent/CH548615A/xx not_active IP Right Cessation
- 1973-04-27 SE SE7305978A patent/SE394995B/xx unknown
- 1973-04-28 ES ES414198A patent/ES414198A1/es not_active Expired
- 1973-04-30 BE BE130607A patent/BE798940A/xx unknown
- 1973-04-30 IT IT49730/73A patent/IT983040B/it active
- 1973-05-01 JP JP4901073A patent/JPS5312925B2/ja not_active Expired
- 1973-05-01 CA CA170,140A patent/CA1011111A/en not_active Expired
- 1973-05-01 DK DK236473A patent/DK144968C/da active
- 1973-05-02 NL NL737306111A patent/NL153834B/xx not_active IP Right Cessation
- 1973-05-02 FR FR7315676A patent/FR2183138B1/fr not_active Expired
- 1973-08-01 JP JP8671773A patent/JPS5313207B2/ja not_active Expired
-
1975
- 1975-11-03 SE SE7512290A patent/SE414025B/xx unknown
-
1977
- 1977-09-09 JP JP10869877A patent/JPS5340544A/ja active Granted
- 1977-09-09 JP JP10869777A patent/JPS5340543A/ja active Granted
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |