CA1011111A - Method of producing photochromic multifocal spectacle lenses - Google Patents
Method of producing photochromic multifocal spectacle lensesInfo
- Publication number
- CA1011111A CA1011111A CA170,140A CA170140A CA1011111A CA 1011111 A CA1011111 A CA 1011111A CA 170140 A CA170140 A CA 170140A CA 1011111 A CA1011111 A CA 1011111A
- Authority
- CA
- Canada
- Prior art keywords
- spectacle lenses
- multifocal spectacle
- producing photochromic
- photochromic multifocal
- producing
- 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 (en) | 1972-05-02 | 1972-05-02 | Process for the production of photochromic multifocal lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1011111A true CA1011111A (en) | 1977-05-31 |
Family
ID=5843868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA170,140A Expired CA1011111A (en) | 1972-05-02 | 1973-05-01 | Method of producing photochromic multifocal spectacle lenses |
Country Status (13)
| Country | Link |
|---|---|
| JP (4) | JPS5312925B2 (en) |
| AT (1) | AT322764B (en) |
| BE (1) | BE798940A (en) |
| CA (1) | CA1011111A (en) |
| CH (2) | CH547504A (en) |
| DE (1) | DE2221488B2 (en) |
| DK (1) | DK144968C (en) |
| ES (1) | ES414198A1 (en) |
| FR (1) | FR2183138B1 (en) |
| GB (2) | GB1396059A (en) |
| IT (1) | IT983040B (en) |
| NL (1) | NL153834B (en) |
| SE (2) | SE394995B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2221488B2 (en) * | 1972-05-02 | 1975-06-19 | Fa. Carl Zeiss, 7920 Heidenheim | Process for the production of photochromic multifocal lenses |
| DE2609469C2 (en) * | 1976-03-08 | 1983-05-11 | Corning Glass Works, 14830 Corning, N.Y. | Process for the production of photochromic, ophthalmic multifocall lenses |
| JPS52114341A (en) * | 1976-03-22 | 1977-09-26 | Corning Glass Works | Method of manufacturing photochromic multiifocus spectacle lens |
| FR2346296A1 (en) * | 1976-03-31 | 1977-10-28 | Corning Glass Works | Multifocal glass lens mfr. - using photochromic glass fused to another glass and heat treated |
| JPS58158318U (en) * | 1982-04-17 | 1983-10-22 | 株式会社トーキン | Laminated displacement element |
| JPS5937993U (en) * | 1982-08-30 | 1984-03-10 | 日立冷熱株式会社 | Heat exchange plate for cooling tower |
| JPS60177316A (en) * | 1984-02-24 | 1985-09-11 | Ngk Spark Plug Co Ltd | Optical deflecting device |
| JPS61134726A (en) * | 1984-12-06 | 1986-06-21 | Ngk Spark Plug Co Ltd | Optical deflector |
| JPS61132919A (en) * | 1984-12-01 | 1986-06-20 | Ngk Spark Plug Co Ltd | Optical deflecting device |
| JP2006327844A (en) * | 2005-05-23 | 2006-12-07 | Olympus Corp | Manufacturing method of optical element and its manufacturing apparatus |
| JP2008285377A (en) * | 2007-05-18 | 2008-11-27 | Panasonic Corp | Joined optical element |
| JP2017048095A (en) * | 2015-09-04 | 2017-03-09 | 旭硝子株式会社 | Production method of glass |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR584639A (en) * | 1924-08-14 | 1925-02-10 | Optique Telegic Soc D | Improvements in the manufacture of multiple focus lenses used in eyewear |
| DE514983C (en) * | 1927-10-25 | 1930-12-20 | Emil Busch Akt Ges Optische In | Process for the production of a multi-thickness glass |
| 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 (en) * | 1972-05-02 | 1975-06-19 | Fa. Carl Zeiss, 7920 Heidenheim | Process for the production of photochromic multifocal lenses |
| JPS5853274B2 (en) * | 1976-07-21 | 1983-11-28 | 石川島播磨重工業株式会社 | rotary kiln |
| JPS5313207A (en) * | 1976-07-23 | 1978-02-06 | Hitachi Ltd | Pumping apparatus |
-
1972
- 1972-05-02 DE DE2221488A patent/DE2221488B2/en not_active Ceased
-
1973
- 1973-04-02 AT AT287273A patent/AT322764B/en not_active IP Right Cessation
- 1973-04-16 GB GB1817473A patent/GB1396059A/en not_active Expired
- 1973-04-16 GB GB4293674A patent/GB1399856A/en not_active Expired
- 1973-04-18 CH CH553073A patent/CH547504A/en not_active IP Right Cessation
- 1973-04-18 CH CH552973A patent/CH548615A/en not_active IP Right Cessation
- 1973-04-27 SE SE7305978A patent/SE394995B/en unknown
- 1973-04-28 ES ES414198A patent/ES414198A1/en not_active Expired
- 1973-04-30 IT IT49730/73A patent/IT983040B/en active
- 1973-04-30 BE BE130607A patent/BE798940A/en unknown
- 1973-05-01 DK DK236473A patent/DK144968C/en active
- 1973-05-01 JP JP4901073A patent/JPS5312925B2/ja not_active Expired
- 1973-05-01 CA CA170,140A patent/CA1011111A/en not_active Expired
- 1973-05-02 FR FR7315676A patent/FR2183138B1/fr not_active Expired
- 1973-05-02 NL NL737306111A patent/NL153834B/en not_active IP Right Cessation
- 1973-08-01 JP JP8671773A patent/JPS5313207B2/ja not_active Expired
-
1975
- 1975-11-03 SE SE7512290A patent/SE414025B/en unknown
-
1977
- 1977-09-09 JP JP10869777A patent/JPS5340543A/en active Granted
- 1977-09-09 JP JP10869877A patent/JPS5340544A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5340544A (en) | 1978-04-13 |
| JPS5340543A (en) | 1978-04-13 |
| JPS5724894B2 (en) | 1982-05-26 |
| NL7306111A (en) | 1973-11-06 |
| JPS5312925B2 (en) | 1978-05-06 |
| NL153834B (en) | 1977-07-15 |
| FR2183138B1 (en) | 1976-06-11 |
| SE7512290L (en) | 1975-11-03 |
| FR2183138A1 (en) | 1973-12-14 |
| DK144968B (en) | 1982-07-19 |
| JPS5313207B2 (en) | 1978-05-09 |
| GB1399856A (en) | 1975-07-02 |
| CH547504A (en) | 1974-03-29 |
| JPS4962152A (en) | 1974-06-17 |
| GB1396059A (en) | 1975-05-29 |
| AT322764B (en) | 1975-06-10 |
| SE414025B (en) | 1980-07-07 |
| DE2221488B2 (en) | 1975-06-19 |
| BE798940A (en) | 1973-08-16 |
| CH548615A (en) | 1974-04-30 |
| JPS50105706A (en) | 1975-08-20 |
| ES414198A1 (en) | 1976-03-01 |
| DE2221488A1 (en) | 1973-11-22 |
| DK144968C (en) | 1982-12-06 |
| SE394995B (en) | 1977-07-25 |
| JPS5724893B2 (en) | 1982-05-26 |
| IT983040B (en) | 1974-10-31 |
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