BE820771A - Fabrication de lentilles dites de contact - Google Patents
Fabrication de lentilles dites de contactInfo
- Publication number
- BE820771A BE820771A BE149272A BE149272A BE820771A BE 820771 A BE820771 A BE 820771A BE 149272 A BE149272 A BE 149272A BE 149272 A BE149272 A BE 149272A BE 820771 A BE820771 A BE 820771A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacturing
- contact lenses
- lenses
- contact
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00932—Combined cutting and grinding thereof
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Turning (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4677573A GB1488001A (en) | 1973-10-06 | 1973-10-06 | Contact lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE820771A true BE820771A (fr) | 1975-02-03 |
Family
ID=10442545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE149272A BE820771A (fr) | 1973-10-06 | 1974-10-07 | Fabrication de lentilles dites de contact |
Country Status (9)
| Country | Link |
|---|---|
| JP (2) | JPS5641361B2 (fr) |
| BE (1) | BE820771A (fr) |
| CA (1) | CA1028881A (fr) |
| DE (1) | DE2447490C2 (fr) |
| ES (1) | ES430697A1 (fr) |
| FR (1) | FR2246369B1 (fr) |
| GB (1) | GB1488001A (fr) |
| IT (1) | IT1022556B (fr) |
| NL (1) | NL178852C (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6321552U (fr) * | 1977-08-02 | 1988-02-12 | ||
| FR2509483A1 (fr) * | 1981-04-15 | 1983-01-14 | Essilor Int | Lentille de contact |
| GB2123733B (en) * | 1982-05-14 | 1986-11-19 | Coopervision | Machining contact lenses |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3112581A (en) * | 1961-02-03 | 1963-12-03 | Hoffman Jacob | Contact lens finishing machine |
| DE1495381B2 (de) * | 1963-09-07 | 1971-06-24 | Czeskoslovenska akademie ved , Prag | Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen |
| FR2195930A5 (fr) * | 1972-08-10 | 1974-03-08 | Bausch & Lomb |
-
1973
- 1973-10-06 GB GB4677573A patent/GB1488001A/en not_active Expired
-
1974
- 1974-10-02 IT IT2799474A patent/IT1022556B/it active
- 1974-10-03 CA CA210,694A patent/CA1028881A/fr not_active Expired
- 1974-10-04 DE DE19742447490 patent/DE2447490C2/de not_active Expired
- 1974-10-04 ES ES430697A patent/ES430697A1/es not_active Expired
- 1974-10-04 NL NL7413141A patent/NL178852C/xx not_active IP Right Cessation
- 1974-10-04 FR FR7433545A patent/FR2246369B1/fr not_active Expired
- 1974-10-04 JP JP11398674A patent/JPS5641361B2/ja not_active Expired
- 1974-10-07 BE BE149272A patent/BE820771A/fr not_active IP Right Cessation
-
1980
- 1980-01-21 JP JP464980A patent/JPS56157945A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL178852B (nl) | 1986-01-02 |
| JPS5078339A (fr) | 1975-06-26 |
| DE2447490C2 (de) | 1985-11-07 |
| DE2447490A1 (de) | 1975-04-17 |
| IT1022556B (it) | 1978-04-20 |
| GB1488001A (en) | 1977-10-05 |
| JPS5641361B2 (fr) | 1981-09-28 |
| ES430697A1 (es) | 1977-04-16 |
| FR2246369A1 (fr) | 1975-05-02 |
| NL7413141A (nl) | 1975-04-08 |
| JPS56157945A (en) | 1981-12-05 |
| FR2246369B1 (fr) | 1978-07-07 |
| CA1028881A (fr) | 1978-04-04 |
| NL178852C (nl) | 1986-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: GLOBAL VISION (UK) LTD Effective date: 19901031 |