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 SHAPE

Info

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
Application number
IT29927/73A
Other languages
Italian (it)
Original Assignee
Loh Kg Optikmaschf
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19722252498 external-priority patent/DE2252498C3/en
Application filed by Loh Kg Optikmaschf filed Critical Loh Kg Optikmaschf
Application granted granted Critical
Publication of IT995719B publication Critical patent/IT995719B/en

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
IT29927/73A 1972-10-26 1973-10-09 MACHINE FOR GENERATING SURFACES OF OPTICAL LENSES FOR EXAMPLE OF TORIC SHAPE IT995719B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2252498A1 (en) 1974-05-02
FR2204987A5 (en) 1974-05-24
US3900971A (en) 1975-08-26
GB1439393A (en) 1976-06-16
ES419890A1 (en) 1976-04-16
DE2252498B2 (en) 1976-12-23

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