FR973586A - Improvements in processes and machines for polishing curved surfaces, especially those of lenses - Google Patents

Improvements in processes and machines for polishing curved surfaces, especially those of lenses

Info

Publication number
FR973586A
FR973586A FR973586DA FR973586A FR 973586 A FR973586 A FR 973586A FR 973586D A FR973586D A FR 973586DA FR 973586 A FR973586 A FR 973586A
Authority
FR
France
Prior art keywords
lenses
machines
processes
curved surfaces
especially those
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
French (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.)
Bronzavia SA
Original Assignee
Bronzavia 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 Bronzavia SA filed Critical Bronzavia SA
Application granted granted Critical
Publication of FR973586A publication Critical patent/FR973586A/en
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
FR973586D 1941-09-30 1941-09-30 Improvements in processes and machines for polishing curved surfaces, especially those of lenses Expired FR973586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973586T 1941-09-30

Publications (1)

Publication Number Publication Date
FR973586A true FR973586A (en) 1951-02-12

Family

ID=9516838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973586D Expired FR973586A (en) 1941-09-30 1941-09-30 Improvements in processes and machines for polishing curved surfaces, especially those of lenses

Country Status (1)

Country Link
FR (1) FR973586A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084164B (en) * 1951-11-17 1960-06-23 Pierre Angenieux Device for polishing spherical surfaces
DE1228159B (en) * 1959-04-07 1966-11-03 Lunetiers Cottet Soc D Device for fine grinding of pre-machined lenses
DE1240438B (en) * 1959-02-18 1967-05-11 Taylor & Hobson Device for polishing aspheric lens surfaces that differ only slightly from spherical surfaces

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084164B (en) * 1951-11-17 1960-06-23 Pierre Angenieux Device for polishing spherical surfaces
DE1240438B (en) * 1959-02-18 1967-05-11 Taylor & Hobson Device for polishing aspheric lens surfaces that differ only slightly from spherical surfaces
DE1228159B (en) * 1959-04-07 1966-11-03 Lunetiers Cottet Soc D Device for fine grinding of pre-machined lenses

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