CA991856A - Lens polishing machine - Google Patents
Lens polishing machineInfo
- Publication number
- CA991856A CA991856A CA182,744A CA182744A CA991856A CA 991856 A CA991856 A CA 991856A CA 182744 A CA182744 A CA 182744A CA 991856 A CA991856 A CA 991856A
- Authority
- CA
- Canada
- Prior art keywords
- polishing machine
- lens polishing
- lens
- machine
- polishing
- 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 |
---|---|---|---|
US00297932A US3838542A (en) | 1972-10-16 | 1972-10-16 | Lens polishing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CA991856A true CA991856A (en) | 1976-06-29 |
Family
ID=23148319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA182,744A Expired CA991856A (en) | 1972-10-16 | 1973-10-05 | Lens polishing machine |
Country Status (2)
Country | Link |
---|---|
US (1) | US3838542A (en) |
CA (1) | CA991856A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4085549A (en) * | 1976-11-26 | 1978-04-25 | Hodges Lee R | Lens polishing machine |
US4320599A (en) * | 1980-06-24 | 1982-03-23 | Coburn Optical Industries, Inc. | Polisher-finer apparatus |
US5733175A (en) * | 1994-04-25 | 1998-03-31 | Leach; Michael A. | Polishing a workpiece using equal velocity at all points overlapping a polisher |
US5607341A (en) * | 1994-08-08 | 1997-03-04 | Leach; Michael A. | Method and structure for polishing a wafer during manufacture of integrated circuits |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1523358A (en) * | 1967-03-21 | 1968-05-03 | Lunetiers | Further training in lens surfacing machines, in particular ophthalmic lenses |
GB1269519A (en) * | 1969-09-04 | 1972-04-06 | J & S Wylde Ltd | Improvements in or relating to machines for grinding, smoothing or polishing optical lenses |
-
1972
- 1972-10-16 US US00297932A patent/US3838542A/en not_active Expired - Lifetime
-
1973
- 1973-10-05 CA CA182,744A patent/CA991856A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3838542A (en) | 1974-10-01 |
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