FR1016770A - Perfectionnements aux machines à meuler et similaires, plus particulièrement pour le meulage des lentilles toriques - Google Patents

Perfectionnements aux machines à meuler et similaires, plus particulièrement pour le meulage des lentilles toriques

Info

Publication number
FR1016770A
FR1016770A FR1016770DA FR1016770A FR 1016770 A FR1016770 A FR 1016770A FR 1016770D A FR1016770D A FR 1016770DA FR 1016770 A FR1016770 A FR 1016770A
Authority
FR
France
Prior art keywords
grinding
toric lenses
machines
grinding machines
lenses
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
Application number
Other languages
English (en)
Inventor
Douglas Taylor
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 filed Critical
Application granted granted Critical
Publication of FR1016770A publication Critical patent/FR1016770A/fr
Expired legal-status Critical Current

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
    • B24B13/023—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 for grinding several lenses simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
FR1016770D 1949-03-12 1950-04-27 Perfectionnements aux machines à meuler et similaires, plus particulièrement pour le meulage des lentilles toriques Expired FR1016770A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP36469A DE807666C (de) 1949-03-12 1949-03-12 Einrichtung zum Schleifen torischer Linsen oder gleichgeformter Gegenstaende

Publications (1)

Publication Number Publication Date
FR1016770A true FR1016770A (fr) 1952-11-21

Family

ID=7374790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1016770D Expired FR1016770A (fr) 1949-03-12 1950-04-27 Perfectionnements aux machines à meuler et similaires, plus particulièrement pour le meulage des lentilles toriques

Country Status (2)

Country Link
DE (1) DE807666C (fr)
FR (1) FR1016770A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916857A (en) * 1958-02-14 1959-12-15 American Optical Corp Lens surfacing machines

Also Published As

Publication number Publication date
DE807666C (de) 1951-07-02

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