FR985293A - Device for lapping and polishing of flat and spherical surfaces - Google Patents

Device for lapping and polishing of flat and spherical surfaces

Info

Publication number
FR985293A
FR985293A FR985293DA FR985293A FR 985293 A FR985293 A FR 985293A FR 985293D A FR985293D A FR 985293DA FR 985293 A FR985293 A FR 985293A
Authority
FR
France
Prior art keywords
lapping
polishing
flat
spherical surfaces
spherical
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.)
Optibel S A
Original Assignee
Optibel S A
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 Optibel S A filed Critical Optibel S A
Application granted granted Critical
Publication of FR985293A publication Critical patent/FR985293A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
FR985293D 1949-04-28 1949-04-28 Device for lapping and polishing of flat and spherical surfaces Expired FR985293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR985293T 1949-04-28

Publications (1)

Publication Number Publication Date
FR985293A true FR985293A (en) 1951-07-17

Family

ID=9537287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985293D Expired FR985293A (en) 1949-04-28 1949-04-28 Device for lapping and polishing of flat and spherical surfaces

Country Status (3)

Country Link
DE (1) DE804761C (en)
FR (1) FR985293A (en)
IT (1) IT454231A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036696B (en) * 1953-11-07 1958-08-14 Zeiss Jena Veb Carl Device for producing toric surfaces
US2779137A (en) * 1954-09-21 1957-01-29 Griscavage Frank Thomas Mirror grinding machine
US2754638A (en) * 1954-12-20 1956-07-17 Robert E Duffens Lens surfacing machine
DE1173360B (en) * 1960-08-25 1964-07-02 Philips Patentverwaltung Grinding or polishing tool for the processing of curved surfaces with different radii of circumferentially mounted glass objects

Also Published As

Publication number Publication date
DE804761C (en) 1951-03-01
IT454231A (en)

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