FR2456304B1 - - Google Patents

Info

Publication number
FR2456304B1
FR2456304B1 FR7911413A FR7911413A FR2456304B1 FR 2456304 B1 FR2456304 B1 FR 2456304B1 FR 7911413 A FR7911413 A FR 7911413A FR 7911413 A FR7911413 A FR 7911413A FR 2456304 B1 FR2456304 B1 FR 2456304B1
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
Application number
FR7911413A
Other languages
French (fr)
Other versions
FR2456304A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EssilorLuxottica SA
Original Assignee
Essilor International Compagnie Generale dOptique SA
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
Application filed by Essilor International Compagnie Generale dOptique SA filed Critical Essilor International Compagnie Generale dOptique SA
Priority to FR7911413A priority Critical patent/FR2456304A1/fr
Publication of FR2456304A1 publication Critical patent/FR2456304A1/fr
Application granted granted Critical
Publication of FR2456304B1 publication Critical patent/FR2456304B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • B24B47/225—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation for bevelling optical work, e.g. lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
FR7911413A 1979-05-07 1979-05-07 Dispositif permettant de mesurer la distance entre un point predetermine du contour desire d'une lentille optalmique et le plan tangent au pole de la surface convexe de la lentille Granted FR2456304A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7911413A FR2456304A1 (fr) 1979-05-07 1979-05-07 Dispositif permettant de mesurer la distance entre un point predetermine du contour desire d'une lentille optalmique et le plan tangent au pole de la surface convexe de la lentille

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7911413A FR2456304A1 (fr) 1979-05-07 1979-05-07 Dispositif permettant de mesurer la distance entre un point predetermine du contour desire d'une lentille optalmique et le plan tangent au pole de la surface convexe de la lentille

Publications (2)

Publication Number Publication Date
FR2456304A1 FR2456304A1 (fr) 1980-12-05
FR2456304B1 true FR2456304B1 (OSRAM) 1982-06-18

Family

ID=9225113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911413A Granted FR2456304A1 (fr) 1979-05-07 1979-05-07 Dispositif permettant de mesurer la distance entre un point predetermine du contour desire d'une lentille optalmique et le plan tangent au pole de la surface convexe de la lentille

Country Status (1)

Country Link
FR (1) FR2456304A1 (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394099A (en) * 1981-01-22 1983-07-19 Lemay Corporation Plastic lens contour cutting machine
FR2543039B1 (fr) * 1983-03-22 1985-08-09 Essilor Int Procede pour le biseautage d'une lentille ophtalmique, et machine a meuler automatique correspondante
US4534723A (en) * 1984-01-30 1985-08-13 International Hydron Corporation Cutting device for the precision trimming of the edge of a centrifugally cast lens
FR2562830B1 (fr) * 1984-04-11 1988-04-08 Essilor Int Machine a meuler pour le meulage manuel de verres de lunettes et meule equipant une telle machine
FR2562829B1 (fr) * 1984-04-12 1986-06-13 Briot Int Dispositif de commande de relevage et de translation du chariot d'une machine a deborder et a biseauter les verres de lunettes
FR2611560B1 (fr) * 1987-03-05 1992-10-02 Briot Int Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques
FR2682058B1 (fr) * 1991-10-04 1993-12-10 Buchmann Optical Engineering Appareil pour relver la topographie de la face convexe d'un verre optique et machine de pose d'un adaptateur integrant un tel appareil.
FR2682628B1 (fr) * 1991-10-21 1996-01-05 Buchmann Optical Eng Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455863A (en) * 1919-06-16 1923-05-22 Onepiece Bifocal Lens Company Lens-edging machine
US2329713A (en) * 1939-05-27 1943-09-21 American Optical Corp Lens edging device
FR1510824A (fr) * 1966-03-07 1968-01-26 Perfectionnement apporté aux machines permettant de déborder, de biseauter et de rainurer les verres de lunettes
DE1938153A1 (de) * 1969-07-26 1971-02-11 Wernicke & Co Kg Brillenglasschleifmaschine mit einer Umfangsschablone und einer Oberflaechenschablone zum Facettenschleifen

Also Published As

Publication number Publication date
FR2456304A1 (fr) 1980-12-05

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Legal Events

Date Code Title Description
ST Notification of lapse