IT995719B - MACHINE FOR GENERATING SURFACES OF OPTICAL LENSES FOR EXAMPLE OF TORIC SHAPE - Google Patents
MACHINE FOR GENERATING SURFACES OF OPTICAL LENSES FOR EXAMPLE OF TORIC SHAPEInfo
- Publication number
- IT995719B IT995719B IT29927/73A IT2992773A IT995719B IT 995719 B IT995719 B IT 995719B IT 29927/73 A IT29927/73 A IT 29927/73A IT 2992773 A IT2992773 A IT 2992773A IT 995719 B IT995719 B IT 995719B
- Authority
- IT
- Italy
- Prior art keywords
- machine
- optical lenses
- generating surfaces
- toric shape
- toric
- Prior art date
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
-
- 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
- B24B13/04—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
- B24B13/043—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing using cup-type grinding wheels
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 |
---|---|---|---|
DE19722252498 DE2252498C3 (en) | 1972-10-26 | Machine for grinding curved, especially toric, surfaces on optical lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
IT995719B true IT995719B (en) | 1975-11-20 |
Family
ID=5860108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29927/73A IT995719B (en) | 1972-10-26 | 1973-10-09 | MACHINE FOR GENERATING SURFACES OF OPTICAL LENSES FOR EXAMPLE OF TORIC SHAPE |
Country Status (5)
Country | Link |
---|---|
US (1) | US3900971A (en) |
ES (1) | ES419890A1 (en) |
FR (1) | FR2204987A5 (en) |
GB (1) | GB1439393A (en) |
IT (1) | IT995719B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1524671A (en) * | 1974-06-22 | 1978-09-13 | Dollond Aitchison Service | Machine for forming a curved surface on a workpiece |
CA1048311A (en) * | 1975-04-16 | 1979-02-13 | Derrell C. Hooker | Lathe for generating spherical or aspherical surfaces on workpieces |
FR2424101A1 (en) * | 1978-04-25 | 1979-11-23 | Essilor Int | MACHINE FOR MACHINING PARTS, IN PARTICULAR CURVED SURFACE PARTS |
DE2937976C2 (en) * | 1979-09-20 | 1983-02-24 | Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad | Machine for grinding or milling convex and / or concave spherical surfaces |
JPS61177232A (en) * | 1985-02-04 | 1986-08-08 | Sumitomo Rubber Ind Ltd | Grooving device of tire |
US4884482A (en) * | 1988-11-22 | 1989-12-05 | Citycrown, Inc. | Method and apparatus for cutting an aspheric surface on a workpiece |
US4947715A (en) * | 1988-11-22 | 1990-08-14 | Citycrown, Inc. | Method and apparatus for cutting an aspheric surface on a workpiece |
US5181345A (en) * | 1990-04-18 | 1993-01-26 | Coburn Optical Industries, Inc. | Lens grinding method and apparatus |
FR2687598A1 (en) * | 1992-02-26 | 1993-08-27 | Cmvm International | MACHINE AND METHOD FOR GENERATING ANY OPTICAL OR OPHTHALMIC LENS SURFACE BY GRINDING. |
DE10100860A1 (en) * | 2000-02-03 | 2001-08-23 | Zeiss Carl | Polishing head for polishing optical surfaces has a polishing plate linked to a rotating drive shaft without rotating to allow the polishing plate to rotate and follow the surface of a workpiece to be polished. |
EP2263831A1 (en) * | 2009-06-15 | 2010-12-22 | Essilor International (Compagnie Générale D'Optique) | Method for Machining a Surface of an Optical Lens. |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2470021A (en) * | 1944-11-20 | 1949-05-10 | William Boston Bailey | Grinding and polishing machine |
US2633675A (en) * | 1950-06-10 | 1953-04-07 | American Optical Corp | Surfacing machine |
US2836939A (en) * | 1955-03-24 | 1958-06-03 | White Arthur Howard | Machine for producing spherical surfaces |
US3117396A (en) * | 1961-01-17 | 1964-01-14 | American Optical Corp | Lens grinding apparatus and method |
US3492764A (en) * | 1967-03-28 | 1970-02-03 | American Optical Corp | Lens generating method |
US3460928A (en) * | 1967-06-09 | 1969-08-12 | American Optical Corp | Method of making lens molds |
US3670460A (en) * | 1970-06-01 | 1972-06-20 | Senoptics Inc | Tool positioning means for lens grinder |
US3704554A (en) * | 1971-04-26 | 1972-12-05 | Bausch & Lomb | Lens processing machine with movable workpiece spindle |
-
1973
- 1973-10-01 US US402320A patent/US3900971A/en not_active Expired - Lifetime
- 1973-10-09 IT IT29927/73A patent/IT995719B/en active
- 1973-10-24 ES ES419890A patent/ES419890A1/en not_active Expired
- 1973-10-25 FR FR7338075A patent/FR2204987A5/fr not_active Expired
- 1973-10-26 GB GB4999773A patent/GB1439393A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3900971A (en) | 1975-08-26 |
ES419890A1 (en) | 1976-04-16 |
GB1439393A (en) | 1976-06-16 |
DE2252498A1 (en) | 1974-05-02 |
FR2204987A5 (en) | 1974-05-24 |
DE2252498B2 (en) | 1976-12-23 |
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