FR984895A - Method and device for lapping spherical surfaces using diamond tools - Google Patents
Method and device for lapping spherical surfaces using diamond toolsInfo
- Publication number
- FR984895A FR984895A FR984895DA FR984895A FR 984895 A FR984895 A FR 984895A FR 984895D A FR984895D A FR 984895DA FR 984895 A FR984895 A FR 984895A
- Authority
- FR
- France
- Prior art keywords
- lapping
- spherical surfaces
- diamond tools
- diamond
- tools
- 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
- B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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 |
---|---|---|---|
FR806532X | 1949-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR984895A true FR984895A (en) | 1951-07-11 |
Family
ID=9251960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR984895D Expired FR984895A (en) | 1949-04-21 | 1949-04-21 | Method and device for lapping spherical surfaces using diamond tools |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE806532C (en) |
FR (1) | FR984895A (en) |
IT (1) | IT454428A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH651773A5 (en) * | 1983-03-31 | 1985-10-15 | Comadur Sa | PROCESS FOR FORMING A CONVERGENT LENS IN A PLATE OF TRANSPARENT MINERAL MATERIAL. |
-
0
- IT IT454428D patent/IT454428A/it unknown
-
1949
- 1949-04-21 FR FR984895D patent/FR984895A/en not_active Expired
- 1949-05-17 DE DEP42929A patent/DE806532C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE806532C (en) | 1951-06-14 |
IT454428A (en) |
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