GB141395A - Improvements in methods of and means for preparing lenses and the like for grinding and polishing - Google Patents
Improvements in methods of and means for preparing lenses and the like for grinding and polishingInfo
- Publication number
- GB141395A GB141395A GB16719/18A GB1671918A GB141395A GB 141395 A GB141395 A GB 141395A GB 16719/18 A GB16719/18 A GB 16719/18A GB 1671918 A GB1671918 A GB 1671918A GB 141395 A GB141395 A GB 141395A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pitch
- polishing
- grinding
- methods
- preparing lenses
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16719/18A GB141395A (en) | 1918-10-14 | 1918-10-14 | Improvements in methods of and means for preparing lenses and the like for grinding and polishing |
DET23466D DE393538C (de) | 1918-10-14 | 1919-12-28 | Vorrichtung zum Bepichen zu schleifender oder polierender Glasstuecke, insonderheit vorgeformter Glaslinsen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16719/18A GB141395A (en) | 1918-10-14 | 1918-10-14 | Improvements in methods of and means for preparing lenses and the like for grinding and polishing |
GB393538X | 1918-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB141395A true GB141395A (en) | 1920-04-14 |
Family
ID=26252196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16719/18A Expired GB141395A (en) | 1918-10-14 | 1918-10-14 | Improvements in methods of and means for preparing lenses and the like for grinding and polishing |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE393538C (de) |
GB (1) | GB141395A (de) |
-
1918
- 1918-10-14 GB GB16719/18A patent/GB141395A/en not_active Expired
-
1919
- 1919-12-28 DE DET23466D patent/DE393538C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE393538C (de) | 1924-04-04 |
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