FR2204987A5 - - Google Patents
Info
- Publication number
- FR2204987A5 FR2204987A5 FR7338075A FR7338075A FR2204987A5 FR 2204987 A5 FR2204987 A5 FR 2204987A5 FR 7338075 A FR7338075 A FR 7338075A FR 7338075 A FR7338075 A FR 7338075A FR 2204987 A5 FR2204987 A5 FR 2204987A5
- 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
- B24B13/02—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 (de) | 1972-10-26 | Maschine zum Schleifen von gekrümmten, insbesondere torischen Oberflächen an optischen Linsen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2204987A5 true FR2204987A5 (hu) | 1974-05-24 |
Family
ID=5860108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7338075A Expired FR2204987A5 (hu) | 1972-10-26 | 1973-10-25 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3900971A (hu) |
ES (1) | ES419890A1 (hu) |
FR (1) | FR2204987A5 (hu) |
GB (1) | GB1439393A (hu) |
IT (1) | IT995719B (hu) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2687598A1 (fr) * | 1992-02-26 | 1993-08-27 | Cmvm International | Machine et procede pour generer par meulage une surface quelconque de lentille optique ou ophtalmique. |
Families Citing this family (10)
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 (fr) * | 1978-04-25 | 1979-11-23 | Essilor Int | Machine pour l'usinage de pieces, en particulier pieces a surface courbe |
DE2937976C2 (de) * | 1979-09-20 | 1983-02-24 | Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad | Maschine zum Schleifen oder Fräsen von konvexen und/oder konkaven sphärischen Flächen |
JPS61177232A (ja) * | 1985-02-04 | 1986-08-08 | Sumitomo Rubber Ind Ltd | タイヤのグル−ビング装置 |
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 |
DE10100860A1 (de) * | 2000-02-03 | 2001-08-23 | Zeiss Carl | Polierkopf für eine Poliermaschine |
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/it active
- 1973-10-24 ES ES419890A patent/ES419890A1/es 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
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2687598A1 (fr) * | 1992-02-26 | 1993-08-27 | Cmvm International | Machine et procede pour generer par meulage une surface quelconque de lentille optique ou ophtalmique. |
WO1993016842A1 (fr) * | 1992-02-26 | 1993-09-02 | C.M.V.B. International | Machine et procede pour generer par meulage une surface quelconque de lentille optique ou ophtalmique |
Also Published As
Publication number | Publication date |
---|---|
US3900971A (en) | 1975-08-26 |
ES419890A1 (es) | 1976-04-16 |
GB1439393A (en) | 1976-06-16 |
DE2252498A1 (de) | 1974-05-02 |
IT995719B (it) | 1975-11-20 |
DE2252498B2 (de) | 1976-12-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |