FR677585A - Machine for grinding, surfacing and polishing curved surfaces of lenses and the like - Google Patents

Machine for grinding, surfacing and polishing curved surfaces of lenses and the like

Info

Publication number
FR677585A
FR677585A FR677585DA FR677585A FR 677585 A FR677585 A FR 677585A FR 677585D A FR677585D A FR 677585DA FR 677585 A FR677585 A FR 677585A
Authority
FR
France
Prior art keywords
surfacing
lenses
grinding
machine
curved surfaces
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)
Inventor
Arthur Pass
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 FR677585A publication Critical patent/FR677585A/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
    • B24B13/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
FR677585D 1928-06-28 1929-06-28 Machine for grinding, surfacing and polishing curved surfaces of lenses and the like Expired FR677585A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US314502XA 1928-06-28 1928-06-28
US677585XA 1928-06-28 1928-06-28
US288984A US1739086A (en) 1928-06-28 1928-06-28 Apparatus for grinding, surfacing, and polishing the curved surfaces of lenses and the like

Publications (1)

Publication Number Publication Date
FR677585A true FR677585A (en) 1930-03-12

Family

ID=27363885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677585D Expired FR677585A (en) 1928-06-28 1929-06-28 Machine for grinding, surfacing and polishing curved surfaces of lenses and the like

Country Status (2)

Country Link
US (1) US1739086A (en)
FR (1) FR677585A (en)

Also Published As

Publication number Publication date
US1739086A (en) 1929-12-10

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