FR2270988B3 - - Google Patents
Info
- Publication number
- FR2270988B3 FR2270988B3 FR7416974A FR7416974A FR2270988B3 FR 2270988 B3 FR2270988 B3 FR 2270988B3 FR 7416974 A FR7416974 A FR 7416974A FR 7416974 A FR7416974 A FR 7416974A FR 2270988 B3 FR2270988 B3 FR 2270988B3
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
- B24B13/0055—Positioning of lenses; Marking of lenses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7416974A FR2270988A1 (en) | 1974-05-16 | 1974-05-16 | Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7416974A FR2270988A1 (en) | 1974-05-16 | 1974-05-16 | Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270988A1 FR2270988A1 (en) | 1975-12-12 |
| FR2270988B3 true FR2270988B3 (en) | 1977-03-11 |
Family
ID=9138923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7416974A Granted FR2270988A1 (en) | 1974-05-16 | 1974-05-16 | Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2270988A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872783A (en) * | 2020-07-30 | 2020-11-03 | 安捷睿（厦门）机器人有限公司 | Lens focusing device and lens focusing method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184292A (en) * | 1978-03-24 | 1980-01-22 | Revlon, Inc. | Vacuum chuck |
| FR2674164B1 (en) * | 1991-03-18 | 1993-06-18 | Buchmann Optical Eng | DEVICE FOR THE ACCURATE POSITIONING OF AN OPTICAL GLASS BLANK WITH RESPECT TO A REFERENCE PLANE SURFACE. |
| FR2720312B1 (en) * | 1994-05-24 | 1996-08-14 | Buchmann Optical Eng | Arrangement for viewing the bifocal area of an ophthalmic lens, and apparatus comprising such an arrangement. |
| US5498200A (en) * | 1994-08-12 | 1996-03-12 | Wernicke & Co. Gmbh | Device for parallex-free centering of a blank for a glass lens for spectacles and for providing markings and/or attaching a holder before inserting the blank into a grinding machine for blanks for glass lenses |
-
1974
- 1974-05-16 FR FR7416974A patent/FR2270988A1/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872783A (en) * | 2020-07-30 | 2020-11-03 | 安捷睿（厦门）机器人有限公司 | Lens focusing device and lens focusing method |
| CN111872783B (en) * | 2020-07-30 | 2021-07-27 | 安捷睿（厦门）机器人有限公司 | Lens focusing device and lens focusing method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2270988A1 (en) | 1975-12-12 |